Update CHANGELOG for 1.3.0

made from lwipopts.h. Fix comment on how to override LWIP_CHKSUM.

FILES

@@ -1,7 +1,4 @@
 src/      - The source code for the lwIP TCP/IP stack.
+doc/      - The documentation for lwIP.
 
-proj/     - Makefiles and code for compiling lwIP.
+See also the FILES file in each subdirectory.
-
-doc/      - Documentation on the lwIP APIs.
-
-See also the FILES file in each subdirectory.

README

@@ -1,3 +1,5 @@
+INTRODUCTION
+
 lwIP is a small independent implementation of the TCP/IP protocol
 suite that has been developed by Adam Dunkels at the Computer and
 Networks Architectures (CNA) lab at the Swedish Institute of Computer
@@ -5,55 +7,83 @@ Science (SICS).
 
 The focus of the lwIP TCP/IP implementation is to reduce the RAM usage
 while still having a full scale TCP. This making lwIP suitable for use
-in embedded systems with tenths of kilobytes of free RAM and room for
+in embedded systems with tens of kilobytes of free RAM and room for
 around 40 kilobytes of code ROM.
 
-lwIP features:
+FEATURES
- * IP (Internet Protocol) including packet forwarding over multiple
+
-   network interfaces
+  * IP (Internet Protocol) including packet forwarding over multiple network
- * ICMP (Internet Control Message Protocol) for network maintenance
+    interfaces
-   and debugging
+  * ICMP (Internet Control Message Protocol) for network maintenance and debugging
- * UDP (User Datagram Protocol) including experimental UDP-lite
+  * IGMP (Internet Group Management Protocol) for multicast traffic management
-   extensions
+  * UDP (User Datagram Protocol) including experimental UDP-lite extensions
- * TCP (Transmission Control Protocol) with congestion control, RTT
+  * TCP (Transmission Control Protocol) with congestion control, RTT estimation
-   estimation and fast recovery/fast retransmit
+    and fast recovery/fast retransmit
- * Specialized API for enhanced performance
+  * Specialized raw/native API for enhanced performance
- * Optional Berkeley socket API
+  * Optional Berkeley-like socket API
+  * DNS (Domain names resolver)
+  * SNMP (Simple Network Management Protocol)
+  * DHCP (Dynamic Host Configuration Protocol)
+  * AUTOIP (for IPv4, conform with RFC 3927)
+  * PPP (Point-to-Point Protocol)
+  * ARP (Address Resolution Protocol) for Ethernet
+
+LICENSE
 
 lwIP is freely available under a BSD license.
 
+DEVELOPMENT
+
 lwIP has grown into an excellent TCP/IP stack for embedded devices,
 and developers using the stack often submit bug fixes, improvements,
 and additions to the stack to further increase its usefulness.
 
 Development of lwIP is hosted on Savannah, a central point for
-software development, maintenance and distribution. A core team
+software development, maintenance and distribution. Everyone can
-will improve lwIP by the use of Savannah's interface and CVS.
+help improve lwIP by use of Savannah's interface, CVS and the
+mailing list. A core team of developers will commit changes to the
+CVS source tree.
 
-The current lwIP CVS tree can be checked out by doing:
+The lwIP TCP/IP stack is maintained in the 'lwip' CVS module and
-  cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip login
+contributions (such as platform ports) are in the 'contrib' module.
-  cvs -z3 -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip co lwip
+
+See doc/savannah.txt for details on CVS server access for users and
+developers.
 
 Last night's CVS tar ball can be downloaded from:
-  http://savannah.gnu.org/cvs.backups/lwip.tar.gz
+  http://savannah.gnu.org/cvs.backups/lwip.tar.gz [CHANGED - NEEDS FIXING]
 
-The current CVS tree is web-browsable:
+The current CVS trees are web-browsable:
-http://savannah.nongnu.org/cgi-bin/viewcvs/lwip/lwip/
+  http://savannah.nongnu.org/cgi-bin/viewcvs/lwip/lwip/
+  http://savannah.nongnu.org/cgi-bin/viewcvs/lwip/contrib/
 
 Submit patches and bugs via the lwIP project page:
   http://savannah.nongnu.org/projects/lwip/
 
-Stable releases have not been released yet. For development we
-suggest downloading the latest CVS and keeping track of the
-lwIP mailing list.
 
-The mailing list (with searchable archives), as well as Adam
+DOCUMENTATION
-Dunkels' papers on lwIP are at the official lwIP home page:
+
+The original out-dated homepage of lwIP and Adam Dunkels' papers on
+lwIP are at the official lwIP home page:
   http://www.sics.se/~adam/lwip/
 
-Reading Adam's papers and browsing the mailing list archives
+Self documentation of the source code is regularly extracted from the
-is a good way to become familiar with the design of lwIP.
+current CVS sources and is available from this web page:
+  http://www.nongnu.org/lwip/
+
+There is now a constantly growin wiki about lwIP at
+  http://lwip.scribblewiki.com/
+
+Also, there are mailing lists you can subscribe at
+  http://savannah.nongnu.org/mail/?group=lwip
+plus searchable archives:
+  http://lists.nongnu.org/archive/html/lwip-users/
+  http://lists.nongnu.org/archive/html/lwip-devel/
+
+Reading Adam's papers, the files in docs/, browsing the source code
+documentation and browsing the mailing list archives is a good way to
+become familiar with the design of lwIP.
 
 Adam Dunkels <adam@sics.se>
-Leon Woestenberg <leon.woestenberg@gmx.net>		    
+Leon Woestenberg <leon.woestenberg@gmx.net>
 

doc/FILES

@@ -0,0 +1,5 @@
+savannah.txt   - How to obtain the current development source code.
+contrib.txt    - How to contribute to lwIP as a developer.
+rawapi.txt     - The documentation for the core API of lwIP.
+snmp_agent.txt - The documentation for the lwIP SNMP agent.
+sys_arch.txt   - The documentation for a system abstraction layer of lwIP.

doc/contrib.txt

@@ -0,0 +1,63 @@
+1 Introduction
+
+This document describes some guidelines for people participating
+in lwIP development.
+
+2 How to contribute to lwIP
+
+Here is a short list of suggestions to anybody working with lwIP and 
+trying to contribute bug reports, fixes, enhancements, platform ports etc.
+First of all as you may already know lwIP is a volunteer project so feedback
+to fixes or questions might often come late. Hopefully the bug and patch tracking 
+features of Savannah help us not lose users' input.
+
+2.1 Source code style:
+
+1. do not use tabs.
+2. indentation is two spaces per level (i.e. per tab).
+3. end debug messages with a trailing newline (\n).
+4. one space between keyword and opening bracket.
+5. no space between function and opening bracket.
+6. one space and no newline before opening curly braces of a block.
+7. closing curly brace on a single line.
+8. spaces surrounding assignment and comparisons.
+9. don't initialize static and/or global variables to zero, the compiler takes care of that.
+10. use current source code style as further reference.
+
+2.2 Source code documentation style:
+
+1. JavaDoc compliant and Doxygen compatible.
+2. Function documentation above functions in .c files, not .h files.
+   (This forces you to synchronize documentation and implementation.)
+3. Use current documentation style as further reference.
+ 
+2.3 Bug reports and patches:
+
+1. Make sure you are reporting bugs or send patches against the latest
+   sources. (From the latest release and/or the current CVS sources.)
+2. If you think you found a bug make sure it's not already filed in the
+   bugtracker at Savannah.
+3. If you have a fix put the patch on Savannah. If it is a patch that affects
+   both core and arch specific stuff please separate them so that the core can
+   be applied separately while leaving the other patch 'open'. The prefered way
+   is to NOT touch archs you can't test and let maintainers take care of them.
+   This is a good way to see if they are used at all - the same goes for unix
+   netifs except tapif.
+4. Do not file a bug and post a fix to it to the patch area. Either a bug report
+   or a patch will be enough.
+   If you correct an existing bug then attach the patch to the bug rather than creating a new entry in the patch area.
+5. Trivial patches (compiler warning, indentation and spelling fixes or anything obvious which takes a line or two)
+   can go to the lwip-users list. This is still the fastest way of interaction and the list is not so crowded
+   as to allow for loss of fixes. Putting bugs on Savannah and subsequently closing them is too much an overhead
+   for reporting a compiler warning fix.
+6. Patches should be specific to a single change or to related changes.Do not mix bugfixes with spelling and other
+   trivial fixes unless the bugfix is trivial too.Do not reorganize code and rename identifiers in the same patch you
+   change behaviour if not necessary.A patch is easier to read and understand if it's to the point and short than
+   if it's not to the point and long :) so the chances for it to be applied are greater. 
+
+2.4 Platform porters:
+
+1. If you have ported lwIP to a platform (an OS, a uC/processor or a combination of these) and
+   you think it could benefit others[1] you might want discuss this on the mailing list. You
+   can also ask for CVS access to submit and maintain your port in the contrib CVS module.
+   

doc/rawapi.txt

@@ -1,20 +1,21 @@
-Raw TCP/IP interface for lwIP 0.5
+Raw TCP/IP interface for lwIP
 
-Author: Adam Dunkels
+Authors: Adam Dunkels, Leon Woestenberg, Christiaan Simons
 
 lwIP provides two Application Program's Interfaces (APIs) for programs
-to use for communication with the TCP/IP code: the sequential API
+to use for communication with the TCP/IP code:
-(often just called "the API") and the raw TCP/IP interface. This
+* low-level "core" / "callback" or "raw" API.
-document is intended as a description of the latter. For lwIP versions
+* higher-level "sequential" API.
-lower than 0.5, this API was not documented.
 
 The sequential API provides a way for ordinary, sequential, programs
 to use the lwIP stack. It is quite similar to the BSD socket API. The
-model of execution is based on the open-read-write-close
+model of execution is based on the blocking open-read-write-close
 paradigm. Since the TCP/IP stack is event based by nature, the TCP/IP
 code and the application program must reside in different execution
 contexts (threads).
 
+** The remainder of this document discusses the "raw" API. **
+
 The raw TCP/IP interface allows the application program to integrate
 better with the TCP/IP code. Program execution is event based by
 having callback functions being called from within the TCP/IP
@@ -34,7 +35,6 @@ Both APIs can be used simultaneously by different application
 programs. In fact, the sequential API is implemented as an application
 program using the raw TCP/IP interface.
 
-
 --- Callbacks
 
 Program execution is driven by callbacks. Each callback is an ordinary
@@ -95,6 +95,19 @@ incoming connections or be explicitly connected to another host.
   listening connection. If so, the memory associated with the pcb
   passed as an argument to tcp_listen() will not be deallocated.
 
+- struct tcp_pcb *tcp_listen_with_backlog(struct tcp_pcb *pcb, u8_t backlog)
+
+  Same as tcp_listen, but limits the number of outstanding connections
+  in the listen queue to the value specified by the backlog argument.
+  To use it, your need to set TCP_LISTEN_BACKLOG=1 in your lwipopts.h.
+
+- void tcp_accepted(struct tcp_pcb *pcb)
+
+  Inform lwIP that an incoming connection has been accepted. This would
+  usually be called from the accept callback. This allows lwIP to perform
+  housekeeping tasks, such as allowing further incoming connections to be
+  queued in the listen backlog.
+
 - void tcp_accept(struct tcp_pcb *pcb,
                   err_t (* accept)(void *arg, struct tcp_pcb *newpcb,
                                    err_t err))
@@ -153,7 +166,7 @@ callback function.
 
 - void tcp_sent(struct tcp_pcb *pcb,
                 err_t (* sent)(void *arg, struct tcp_pcb *tpcb,
-		               u16_t len))
+                u16_t len))
 
   Specifies the callback function that should be called when data has
   successfully been received (i.e., acknowledged) by the remote
@@ -175,7 +188,10 @@ window.
 
   Sets the callback function that will be called when new data
   arrives. The callback function will be passed a NULL pbuf to
-  indicate that the remote host has closed the connection.
+  indicate that the remote host has closed the connection. If
+  there are no errors and the callback function is to return
+  ERR_OK, then it must free the pbuf. Otherwise, it must not
+  free the pbuf so that lwIP core code can store it.
 
 - void tcp_recved(struct tcp_pcb *pcb, u16_t len)
 
@@ -227,7 +243,7 @@ connection are when there is a shortage of memory. The callback
 function to be called is set using the tcp_err() function.
 
 - void tcp_err(struct tcp_pcb *pcb, void (* err)(void *arg,
-	       err_t err))
+       err_t err))
 
   The error callback function does not get the pcb passed to it as a
   parameter since the pcb may already have been deallocated.
@@ -272,6 +288,11 @@ level of complexity of UDP, the interface is significantly simpler.
   Sets the remote end of the pcb. This function does not generate any
   network traffic, but only set the remote address of the pcb.
 
+- err_t udp_disconnect(struct udp_pcb *pcb)
+
+  Remove the remote end of the pcb. This function does not generate
+  any network traffic, but only removes the remote address of the pcb.
+
 - err_t udp_send(struct udp_pcb *pcb, struct pbuf *p)
 
   Sends the pbuf p. The pbuf is not deallocated.
@@ -284,4 +305,133 @@ level of complexity of UDP, the interface is significantly simpler.
                               void *recv_arg)
 
   Specifies a callback function that should be called when a UDP
-  datagram is received.
+  datagram is received.
+  
+
+--- System initalization
+
+A truly complete and generic sequence for initializing the lwip stack
+cannot be given because it depends on the build configuration (lwipopts.h)
+and additional initializations for your runtime environment (e.g. timers).
+
+We can give you some idea on how to proceed when using the raw API.
+We assume a configuration using a single Ethernet netif and the
+UDP and TCP transport layers, IPv4 and the DHCP client.
+
+Call these functions in the order of appearance:
+
+- stats_init()
+
+  Clears the structure where runtime statistics are gathered.
+
+- sys_init()
+  
+  Not of much use since we set the NO_SYS 1 option in lwipopts.h,
+  to be called for easy configuration changes.
+
+- mem_init()
+
+  Initializes the dynamic memory heap defined by MEM_SIZE.
+
+- memp_init()
+
+  Initializes the memory pools defined by MEMP_NUM_x.
+
+- pbuf_init()
+
+  Initializes the pbuf memory pool defined by PBUF_POOL_SIZE.
+  
+- etharp_init()
+
+  Initializes the ARP table and queue.
+  Note: you must call etharp_tmr at a ARP_TMR_INTERVAL (5 seconds) regular interval
+  after this initialization.
+
+- ip_init()
+
+  Doesn't do much, it should be called to handle future changes.
+
+- udp_init()
+
+  Clears the UDP PCB list.
+
+- tcp_init()
+
+  Clears the TCP PCB list and clears some internal TCP timers.
+  Note: you must call tcp_fasttmr() and tcp_slowtmr() at the
+  predefined regular intervals after this initialization. 
+  
+- netif_add(struct netif *netif, struct ip_addr *ipaddr,
+            struct ip_addr *netmask, struct ip_addr *gw,
+            void *state, err_t (* init)(struct netif *netif),
+            err_t (* input)(struct pbuf *p, struct netif *netif))
+
+  Adds your network interface to the netif_list. Allocate a struct
+  netif and pass a pointer to this structure as the first argument.
+  Give pointers to cleared ip_addr structures when using DHCP,
+  or fill them with sane numbers otherwise. The state pointer may be NULL.
+
+  The init function pointer must point to a initialization function for
+  your ethernet netif interface. The following code illustrates it's use.
+  
+  err_t netif_if_init(struct netif *netif)
+  {
+    u8_t i;
+    
+    for(i = 0; i < ETHARP_HWADDR_LEN; i++) netif->hwaddr[i] = some_eth_addr[i];
+    init_my_eth_device();
+    return ERR_OK;
+  }
+  
+  For ethernet drivers, the input function pointer must point to the lwip
+  function ethernet_input() declared in "netif/etharp.h". Other drivers
+  must use ip_input() declared in "lwip/ip.h".
+  
+- netif_set_default(struct netif *netif)
+
+  Registers the default network interface.
+
+- netif_set_up(struct netif *netif)
+
+  When the netif is fully configured this function must be called.
+
+- dhcp_start(struct netif *netif)
+
+  Creates a new DHCP client for this interface on the first call.
+  Note: you must call dhcp_fine_tmr() and dhcp_coarse_tmr() at
+  the predefined regular intervals after starting the client.
+  
+  You can peek in the netif->dhcp struct for the actual DHCP status.
+
+
+--- Optimalization hints
+
+The first thing you want to optimize is the lwip_standard_checksum()
+routine from src/core/inet.c. You can override this standard
+function with the #define LWIP_CHKSUM <your_checksum_routine>.
+
+There are C examples given in inet.c or you might want to
+craft an assembly function for this. RFC1071 is a good
+introduction to this subject.
+
+Other significant improvements can be made by supplying
+assembly or inline replacements for htons() and htonl()
+if you're using a little-endian architecture.
+#define LWIP_PLATFORM_BYTESWAP 1
+#define LWIP_PLATFORM_HTONS(x) <your_htons>
+#define LWIP_PLATFORM_HTONL(x) <your_htonl>
+
+Check your network interface driver if it reads at
+a higher speed than the maximum wire-speed. If the
+hardware isn't serviced frequently and fast enough
+buffer overflows are likely to occur.
+
+E.g. when using the cs8900 driver, call cs8900if_service(ethif)
+as frequently as possible. When using an RTOS let the cs8900 interrupt
+wake a high priority task that services your driver using a binary
+semaphore or event flag. Some drivers might allow additional tuning
+to match your application and network.
+
+For a production release it is recommended to set LWIP_STATS to 0.
+Note that speed performance isn't influenced much by simply setting
+high values to the memory options.

doc/savannah.txt

@@ -0,0 +1,135 @@
+Daily Use Guide for using Savannah for lwIP
+
+Table of Contents:
+
+1 - Obtaining lwIP from the CVS repository
+2 - Committers/developers CVS access using SSH (to be written)
+3 - Merging from DEVEL branch to main trunk (stable branch)
+4 - How to release lwIP
+
+
+
+1 Obtaining lwIP from the CVS repository
+----------------------------------------
+
+To perform an anonymous CVS checkout of the main trunk (this is where
+bug fixes and incremental enhancements occur), do this:
+
+cvs -z3 -d:pserver:anonymous@cvs.sv.gnu.org:/sources/lwip checkout lwip
+ 
+Or, obtain a stable branch (updated with bug fixes only) as follows:
+cvs -z3 -d:pserver:anonymous@cvs.sv.gnu.org:/sources/lwip checkout \
+  -r STABLE-0_7 -d lwip-0.7 lwip
+
+Or, obtain a specific (fixed) release as follows:
+cvs -z3 -d:pserver:anonymous@cvs.sv.gnu.org:/sources/lwip checkout \
+  -r STABLE-0_7_0 -d lwip-0.7.0 lwip
+
+3 Committers/developers CVS access using SSH
+--------------------------------------------
+
+The Savannah server uses SSH (Secure Shell) protocol 2 authentication and encryption.
+As such, CVS commits to the server occur through a SSH tunnel for project members.
+To create a SSH2 key pair in UNIX-like environments, do this:
+
+ssh-keygen -t dsa
+
+Under Windows, a recommended SSH client is "PuTTY", freely available with good
+documentation and a graphic user interface. Use its key generator.
+
+Now paste the id_dsa.pub contents into your Savannah account public key list. Wait
+a while so that Savannah can update its configuration (This can take minutes).
+
+Try to login using SSH:
+
+ssh -v your_login@cvs.sv.gnu.org
+
+If it tells you:
+
+Authenticating with public key "your_key_name"...
+Server refused to allocate pty
+
+then you could login; Savannah refuses to give you a shell - which is OK, as we
+are allowed to use SSH for CVS only. Now, you should be able to do this:
+
+export CVS_RSH=ssh
+cvs -z3 -d:ext:your_login@cvs.sv.gnu.org:/sources/lwip co lwip
+ 
+after which you can edit your local files with bug fixes or new features and
+commit them. Make sure you know what you are doing when using CVS to make
+changes on the repository. If in doubt, ask on the lwip-members mailing list.
+
+(If SSH asks about authenticity of the host, you can check the key
+ fingerprint against http://savannah.nongnu.org/cvs/?group=lwip)
+
+
+3 Merging from DEVEL branch to main trunk (stable)
+--------------------------------------------------
+
+Merging is a delicate process in CVS and requires the
+following disciplined steps in order to prevent conflicts
+in the future. Conflicts can be hard to solve!
+
+Merging from branch A to branch B requires that the A branch
+has a tag indicating the previous merger. This tag is called
+'merged_from_A_to_B'. After merging, the tag is moved in the
+A branch to remember this merger for future merge actions.
+
+IMPORTANT: AFTER COMMITTING A SUCCESFUL MERGE IN THE
+REPOSITORY, THE TAG MUST BE SET ON THE SOURCE BRANCH OF THE
+MERGE ACTION (REPLACING EXISTING TAGS WITH THE SAME NAME).
+
+Merge all changes in DEVEL since our last merge to main:
+
+In the working copy of the main trunk:
+cvs update -P -jmerged_from_DEVEL_to_main -jDEVEL 
+
+(This will apply the changes between 'merged_from_DEVEL_to_main'
+and 'DEVEL' to your work set of files)
+
+We can now commit the merge result.
+cvs commit -R -m "Merged from DEVEL to main." 
+
+If this worked out OK, we now move the tag in the DEVEL branch
+to this merge point, so we can use this point for future merges:
+
+cvs rtag -F -r DEVEL merged_from_DEVEL_to_main lwip 
+
+4 How to release lwIP
+---------------------
+
+First, checkout a clean copy of the branch to be released. Tag this set with
+tag name "STABLE-0_6_3". (I use release number 0.6.3 throughout this example).
+
+Login CVS using pserver authentication, then export a clean copy of the
+tagged tree. Export is similar to a checkout, except that the CVS metadata
+is not created locally. 
+
+export CVS_RSH=ssh
+cvs -z3 -d:pserver:anonymous@cvs.sv.gnu.org:/sources/lwip checkout \
+  -r STABLE-0_6_3 -d lwip-0.6.3 lwip
+
+Archive this directory using tar, gzip'd, bzip2'd and zip'd.
+
+tar czvf lwip-0.6.3.tar.gz lwip-0.6.3
+tar cjvf lwip-0.6.3.tar.bz2 lwip-0.6.3
+zip -r lwip-0.6.3.zip lwip-0.6.3
+
+Now, sign the archives with a detached GPG binary signature as follows:
+
+gpg -b lwip-0.6.3.tar.gz
+gpg -b lwip-0.6.3.tar.bz2
+gpg -b lwip-0.6.3.zip
+
+Upload these files using anonymous FTP:
+ncftp ftp://savannah.gnu.org/incoming/savannah/lwip
+
+ncftp>mput *0.6.3.*
+
+Additionally, you may post a news item on Savannah, like this:
+
+A new 0.6.3 release is now available here:
+http://savannah.nongnu.org/files/?group=lwip&highlight=0.6.3
+
+You will have to submit this via the user News interface, then approve
+this via the Administrator News interface.

doc/snmp_agent.txt

@@ -0,0 +1,181 @@
+SNMPv1 agent for lwIP
+
+Author: Christiaan Simons
+
+This is a brief introduction how to use and configure the SNMP agent.
+Note the agent uses the raw-API UDP interface so you may also want to
+read rawapi.txt to gain a better understanding of the SNMP message handling.
+
+0 Agent Capabilities
+====================
+
+SNMPv1 per RFC1157
+  This is an old(er) standard but is still widely supported.
+  For SNMPv2c and v3 have a greater complexity and need many
+  more lines of code. IMHO this breaks the idea of "lightweight IP".
+
+  Note the S in SNMP stands for "Simple". Note that "Simple" is
+  relative. SNMP is simple compared to the complex ISO network
+  management protocols CMIP (Common Management Information Protocol)
+  and CMOT (CMip Over Tcp).
+
+MIB II per RFC1213
+  The standard lwIP stack management information base.
+  This is a required MIB, so this is always enabled.
+  When builing lwIP without TCP, the mib-2.tcp group is omitted.
+  The groups EGP, CMOT and transmission are disabled by default.
+  
+  Most mib-2 objects are not writable except:
+  sysName, sysLocation, sysContact, snmpEnableAuthenTraps.
+  Writing to or changing the ARP and IP address and route
+  tables is not possible.
+ 
+  Note lwIP has a very limited notion of IP routing. It currently
+  doen't have a route table and doesn't have a notion of the U,G,H flags.
+  Instead lwIP uses the interface list with only one default interface
+  acting as a single gateway interface (G) for the default route.
+
+  The agent returns a "virtual table" with the default route 0.0.0.0
+  for the default interface and network routes (no H) for each
+  network interface in the netif_list.
+  All routes are considered to be up (U).
+
+Loading additional MIBs
+  MIBs can only be added in compile-time, not in run-time.
+  There is no MIB compiler thus additional MIBs must be hand coded.
+
+Large SNMP message support
+  The packet decoding and encoding routines are designed
+  to use pbuf-chains. Larger payloads then the minimum
+  SNMP requirement of 484 octets are supported if the 
+  PBUF_POOL_SIZE and IP_REASS_BUFSIZE are set to match your
+  local requirement.
+
+1 Building the Agent
+====================
+
+First of all you'll need to add the following define
+to your local lwipopts.h:
+
+#define LWIP_SNMP               1
+
+and add the source files in lwip/src/core/snmp
+and some snmp headers in lwip/src/include/lwip to your makefile.
+
+Note you'll might need to adapt you network driver to update
+the mib2 variables for your interface.
+
+2 Running the Agent
+===================
+
+The following function calls must be made in your program to
+actually get the SNMP agent running.
+
+Before starting the agent you should supply pointers
+to non-volatile memory for sysContact, sysLocation,
+and snmpEnableAuthenTraps. You can do this by calling
+
+snmp_set_syscontact()
+snmp_set_syslocation()
+snmp_set_snmpenableauthentraps()
+
+Additionally you may want to set
+
+snmp_set_sysdescr()
+snmp_set_sysobjid() (if you have a private MIB)
+snmp_set_sysname()
+
+Also before starting the agent you need to setup
+one or more trap destinations using these calls:
+
+snmp_trap_dst_enable();
+snmp_trap_dst_ip_set();
+
+In the lwIP initialisation sequence call snmp_init() just after
+the call to udp_init().
+
+Exactly every 10 msec the SNMP uptime timestamp must be updated with
+snmp_inc_sysuptime(). You should call this from a timer interrupt
+or a timer signal handler depending on your runtime environment.
+
+An alternative way to update the SNMP uptime timestamp is to do a call like
+snmp_add_sysuptime(100) each 1000ms (which is bigger "step", but call to
+a lower frequency). Another one is to not call snmp_inc_sysuptime() or
+snmp_add_sysuptime(), and to define the SNMP_GET_SYSUPTIME(sysuptime) macro.
+This one is undefined by default in mib2.c. SNMP_GET_SYSUPTIME is called inside
+snmp_get_sysuptime(u32_t *value), and enable to change "sysuptime" value only
+when it's queried (any function which need "sysuptime" have to call
+snmp_get_sysuptime).
+
+
+3 Private MIBs
+==============
+
+If want to extend the agent with your own private MIB you'll need to
+add the following define to your local lwipopts.h:
+
+#define SNMP_PRIVATE_MIB        1
+
+You must provide the private_mib.h and associated files yourself.
+Note we don't have a "MIB compiler" that generates C source from a MIB,
+so you're required to do some serious coding if you enable this!
+
+Note the lwIP enterprise ID (26381) is assigned to the lwIP project,
+ALL OBJECT IDENTIFIERS LIVING UNDER THIS ID ARE ASSIGNED BY THE lwIP
+MAINTAINERS!
+
+If you need to create your own private MIB you'll need
+to apply for your own enterprise ID with IANA: http://www.iana.org/numbers.html 
+
+You can set it by passing a struct snmp_obj_id to the agent
+using snmp_set_sysobjid(&my_object_id), just before snmp_init().
+
+Note the object identifiers for thes MIB-2 and your private MIB
+tree must be kept in sorted ascending (lexicographical) order.
+This to ensure correct getnext operation.
+
+An example for a private MIB is part of the "minimal Unix" project:
+contrib/ports/unix/proj/minimal/lwip_prvmib.c
+
+The next chapter gives a more detailed description of the
+MIB-2 tree and the optional private MIB.
+
+4 The Gory Details
+==================
+
+4.0 Object identifiers and the MIB tree.
+
+We have three distinct parts for all object identifiers:
+
+The prefix
+  .iso.org.dod.internet
+
+the middle part 
+  .mgmt.mib-2.ip.ipNetToMediaTable.ipNetToMediaEntry.ipNetToMediaPhysAddress
+
+and the index part
+  .1.192.168.0.1
+
+Objects located above the .internet hierarchy aren't supported.
+Currently only the .mgmt sub-tree is available and
+when the SNMP_PRIVATE_MIB is enabled the .private tree
+becomes available too.
+
+Object identifiers from incoming requests are checked
+for a matching prefix, middle part and index part
+or are expanded(*) for GetNext requests with short
+or inexisting names in the request.
+(* we call this "expansion" but this also
+resembles the "auto-completion" operation)
+
+The middle part is usually located in ROM (const)
+to preserve precious RAM on small microcontrollers.
+However RAM location is possible for an dynamically
+changing private tree.
+
+The index part is handled by functions which in
+turn use dynamically allocated index trees from RAM.
+These trees are updated by e.g. the etharp code
+when new entries are made or removed form the ARP cache.
+
+/** @todo more gory details */

doc/sys_arch.txt

@@ -1,4 +1,4 @@
-sys_arch interface for lwIP 0.5
+sys_arch interface for lwIP 0.6++
 
 Author: Adam Dunkels
 
@@ -16,6 +16,11 @@ functionality. Previous versions of lwIP required the sys_arch to
 implement timer scheduling as well but as of lwIP 0.5 this is
 implemented in a higher layer.
 
+In addition to the source file providing the functionality of sys_arch,
+the OS emulation layer must provide several header files defining
+macros used throughout lwip.  The files required and the macros they
+must define are listed below the sys_arch description.
+
 Semaphores can be either counting or binary - lwIP works with both
 kinds. Mailboxes are used for message passing and can be implemented
 either as a queue which allows multiple messages to be posted to a
@@ -42,35 +47,35 @@ The following functions must be implemented by the sys_arch:
 
 - void sys_sem_free(sys_sem_t sem)
 
-  Deallocates a semaphore. 
+  Deallocates a semaphore.
 
 - void sys_sem_signal(sys_sem_t sem)
 
   Signals a semaphore.
 
-- u16_t sys_arch_sem_wait(sys_sem_t sem, u16_t timeout)
+- u32_t sys_arch_sem_wait(sys_sem_t sem, u32_t timeout)
 
   Blocks the thread while waiting for the semaphore to be
   signaled. If the "timeout" argument is non-zero, the thread should
   only be blocked for the specified time (measured in
-  milliseconds).
+  milliseconds). If the "timeout" argument is zero, the thread should be
+  blocked until the semaphore is signalled.
 
-  If the timeout argument is non-zero, the return value is the amount
+  If the timeout argument is non-zero, the return value is the number of
-  of time spent waiting for the semaphore to be signaled. If the
+  milliseconds spent waiting for the semaphore to be signaled. If the
-  semaphore wasn't signaled within the specified time, the return
+  semaphore wasn't signaled within the specified time, the return value is
-  value is zero. If the thread didn't have to wait for the semaphore
+  SYS_ARCH_TIMEOUT. If the thread didn't have to wait for the semaphore
-  (i.e., it was already signaled), care must be taken to ensure that
+  (i.e., it was already signaled), the function may return zero.
-  the function does not return a zero value since this is used to
-  indicate that a timeout occured. A suitable way to implement this is
-  to check if the time spent waiting is zero and if so, the value 1 is
-  returned.
 
   Notice that lwIP implements a function with a similar name,
   sys_sem_wait(), that uses the sys_arch_sem_wait() function.
 
-- sys_mbox_t sys_mbox_new(void)
+- sys_mbox_t sys_mbox_new(int size)
 
-  Creates an empty mailbox.
+  Creates an empty mailbox for maximum "size" elements. Elements stored
+  in mailboxes are pointers. You have to define macros "_MBOX_SIZE"
+  in your lwipopts.h, or ignore this parameter in your implementation
+  and use a default size.
 
 - void sys_mbox_free(sys_mbox_t mbox)
 
@@ -80,24 +85,43 @@ The following functions must be implemented by the sys_arch:
 
 - void sys_mbox_post(sys_mbox_t mbox, void *msg)
 
-  Posts the "msg" to the mailbox.
+  Posts the "msg" to the mailbox. This function have to block until
+  the "msg" is really posted.
 
-- u16_t sys_arch_mbox_fetch(sys_mbox_t mbox, void **msg, u16_t timeout)
+- err_t sys_mbox_trypost(sys_mbox_t mbox, void *msg)
+
+  Try to post the "msg" to the mailbox. Returns ERR_MEM if this one
+  is full, else, ERR_OK if the "msg" is posted.
+
+- u32_t sys_arch_mbox_fetch(sys_mbox_t mbox, void **msg, u32_t timeout)
 
   Blocks the thread until a message arrives in the mailbox, but does
   not block the thread longer than "timeout" milliseconds (similar to
-  the sys_arch_sem_wait() function). The "msg" argument is a result
+  the sys_arch_sem_wait() function). If "timeout" is 0, the thread should
+  be blocked until a message arrives. The "msg" argument is a result
   parameter that is set by the function (i.e., by doing "*msg =
   ptr"). The "msg" parameter maybe NULL to indicate that the message
   should be dropped.
 
-  The return values are the same as for the sys_arch_sem_wait()
+  The return values are the same as for the sys_arch_sem_wait() function:
-  function and the function must not return zero even if a message was
+  Number of milliseconds spent waiting or SYS_ARCH_TIMEOUT if there was a
-  present in the mailbox and the time spent waiting was zero
+  timeout.
-  milliseconds. 
 
   Note that a function with a similar name, sys_mbox_fetch(), is
   implemented by lwIP. 
+
+- u32_t sys_arch_mbox_tryfetch(sys_mbox_t mbox, void **msg)
+
+  This is similar to sys_arch_mbox_fetch, however if a message is not
+  present in the mailbox, it immediately returns with the code
+  SYS_MBOX_EMPTY. On success 0 is returned.
+
+  To allow for efficient implementations, this can be defined as a
+  function-like macro in sys_arch.h instead of a normal function. For
+  example, a naive implementation could be:
+    #define sys_arch_mbox_tryfetch(mbox,msg) \
+      sys_arch_mbox_fetch(mbox,msg,1)
+  although this would introduce unnecessary delays.
   
 - struct sys_timeouts *sys_arch_timeouts(void)
 
@@ -107,7 +131,7 @@ The following functions must be implemented by the sys_arch:
   pointer to a linked list of timeouts. This function is called by
   the lwIP timeout scheduler and must not return a NULL value. 
 
-  In a single threadd sys_arch implementation, this function will
+  In a single thread sys_arch implementation, this function will
   simply return a pointer to a global sys_timeouts variable stored in
   the sys_arch module.
   
@@ -115,9 +139,88 @@ If threads are supported by the underlying operating system and if
 such functionality is needed in lwIP, the following function will have
 to be implemented as well:
 
-- void sys_thread_new(void (* thread)(void *arg), void *arg)
+- sys_thread_t sys_thread_new(char *name, void (* thread)(void *arg), void *arg, int stacksize, int prio)
 
-  Starts a new thread that will begin its execution in the function
+  Starts a new thread named "name" with priority "prio" that will begin its
-  "thread()". The "arg" argument will be passed as an argument to the
+  execution in the function "thread()". The "arg" argument will be passed as an
-  thread() function.
+  argument to the thread() function. The stack size to used for this thread is
+  the "stacksize" parameter. The id of the new thread is returned. Both the id
+  and the priority are system dependent.
 
+- sys_prot_t sys_arch_protect(void)
+
+  This optional function does a "fast" critical region protection and returns
+  the previous protection level. This function is only called during very short
+  critical regions. An embedded system which supports ISR-based drivers might
+  want to implement this function by disabling interrupts. Task-based systems
+  might want to implement this by using a mutex or disabling tasking. This
+  function should support recursive calls from the same task or interrupt. In
+  other words, sys_arch_protect() could be called while already protected. In
+  that case the return value indicates that it is already protected.
+
+  sys_arch_protect() is only required if your port is supporting an operating
+  system.
+
+- void sys_arch_unprotect(sys_prot_t pval)
+
+  This optional function does a "fast" set of critical region protection to the
+  value specified by pval. See the documentation for sys_arch_protect() for
+  more information. This function is only required if your port is supporting
+  an operating system.
+
+Note:
+
+Be carefull with using mem_malloc() in sys_arch. When malloc() refers to
+mem_malloc() you can run into a circular function call problem. In mem.c
+mem_init() tries to allcate a semaphore using mem_malloc, which of course
+can't be performed when sys_arch uses mem_malloc.
+
+-------------------------------------------------------------------------------
+Additional files required for the "OS support" emulation layer:
+-------------------------------------------------------------------------------
+
+cc.h       - Architecture environment, some compiler specific, some
+             environment specific (probably should move env stuff 
+             to sys_arch.h.)
+
+  Typedefs for the types used by lwip -
+    u8_t, s8_t, u16_t, s16_t, u32_t, s32_t, mem_ptr_t
+
+  Compiler hints for packing lwip's structures -
+    PACK_STRUCT_FIELD(x)
+    PACK_STRUCT_STRUCT
+    PACK_STRUCT_BEGIN
+    PACK_STRUCT_END
+
+  Platform specific diagnostic output -
+    LWIP_PLATFORM_DIAG(x)    - non-fatal, print a message.
+    LWIP_PLATFORM_ASSERT(x)  - fatal, print message and abandon execution.
+
+  "lightweight" synchronization mechanisms -
+    SYS_ARCH_DECL_PROTECT(x) - declare a protection state variable.
+    SYS_ARCH_PROTECT(x)      - enter protection mode.
+    SYS_ARCH_UNPROTECT(x)    - leave protection mode.
+
+  If the compiler does not provide memset() this file must include a
+  definition of it, or include a file which defines it.
+
+  This file must either include a system-local <errno.h> which defines
+  the standard *nix error codes, or it should #define LWIP_PROVIDE_ERRNO
+  to make lwip/arch.h define the codes which are used throughout.
+
+
+perf.h     - Architecture specific performance measurement.
+  Measurement calls made throughout lwip, these can be defined to nothing.
+    PERF_START               - start measuring something.
+    PERF_STOP(x)             - stop measuring something, and record the result.
+
+sys_arch.h - Tied to sys_arch.c
+
+  Arch dependent types for the following objects:
+    sys_sem_t, sys_mbox_t, sys_thread_t,
+  And, optionally:
+    sys_prot_t
+
+  Defines to set vars of sys_mbox_t and sys_sem_t to NULL.
+    SYS_MBOX_NULL NULL
+    SYS_SEM_NULL NULL

proj/minimal/Makefile

@@ -1,91 +0,0 @@
-#
-# Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
-# All rights reserved. 
-# 
-# Redistribution and use in source and binary forms, with or without modification, 
-# are permitted provided that the following conditions are met:
-#
-# 1. Redistributions of source code must retain the above copyright notice,
-#    this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright notice,
-#    this list of conditions and the following disclaimer in the documentation
-#    and/or other materials provided with the distribution.
-# 3. The name of the author may not be used to endorse or promote products
-#    derived from this software without specific prior written permission. 
-#
-# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
-# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
-# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
-# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
-# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
-# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
-# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
-# OF SUCH DAMAGE.
-#
-# This file is part of the lwIP TCP/IP stack.
-# 
-# Author: Adam Dunkels <adam@sics.se>
-#
- 
-CCDEP=gcc
-CC=gcc
-CFLAGS=-g -Wall -DIPv4 -Os -fpack-struct
-LWIPARCH=unix
-ARFLAGS=rs
-LWIPDIR=../../src
-
-CFLAGS:=$(CFLAGS) \
-	-I$(LWIPDIR)/include -I$(LWIPDIR)/arch/$(LWIPARCH)/include -I$(LWIPDIR)/include/ipv4 \
-	-Iapps -I.
-
-# COREFILES, CORE4FILES: The minimum set of files needed for lwIP.
-COREFILES=$(LWIPDIR)/core/mem.c $(LWIPDIR)/core/memp.c $(LWIPDIR)/core/netif.c \
-	$(LWIPDIR)/core/pbuf.c $(LWIPDIR)/core/stats.c $(LWIPDIR)/core/sys.c \
-        $(LWIPDIR)/core/tcp.c $(LWIPDIR)/core/tcp_in.c \
-        $(LWIPDIR)/core/tcp_out.c $(LWIPDIR)/core/udp.c 
-CORE4FILES=$(LWIPDIR)/core/ipv4/icmp.c $(LWIPDIR)/core/ipv4/ip.c \
-	$(LWIPDIR)/core/inet.c $(LWIPDIR)/core/ipv4/ip_addr.c
-
-# NETIFFILES: Files implementing various generic network interface functions.'
-NETIFFILES=$(LWIPDIR)/netif/etharp.c mintapif.c
-
-# LWIPFILES: All the above.
-LWIPFILES=$(COREFILES) $(CORE4FILES) $(NETIFFILES)
-LWIPFILESW=$(wildcard $(LWIPFILES))
-LWIPOBJS=$(notdir $(LWIPFILESW:.c=.o))
-
-# APPFILES
-APPFILES=echo.c 
-
-LWIPLIB=liblwip4.a
-APPLIB=liblwipapps.a
-APPOBJS=$(notdir $(APPFILES:.c=.o))
-
-%.o:
-	$(CC) $(CFLAGS) -c $(<:.o=.c)
-
-all ipv4 compile: minimal
-.PHONY: all
-
-clean:
-	rm -f *.o $(LWIPLIB) $(APPLIB) minimal .depend* *.core core
-
-depend dep: .depend
-
-include .depend
-
-$(APPLIB): $(APPOBJS)
-	$(AR) $(ARFLAGS) $(APPLIB) $?
-
-$(LWIPLIB): $(LWIPOBJS)
-	$(AR) $(ARFLAGS) $(LWIPLIB) $?
-
-.depend: main.c $(LWIPFILES) $(APPFILES)
-	$(CCDEP) $(CFLAGS) -MM $^ > .depend || rm -f .depend
-
-minimal: .depend $(LWIPLIB) $(APPLIB) main.o $(APPFILES)
-	$(CC) $(CFLAGS) $(LDFLAGS) -o minimal main.o $(APPLIB) $(LWIPLIB)
-
-

proj/minimal/README

@@ -1,3 +0,0 @@
-This is an example of a very minimal lwIP project. It runs in a single
-thread and runs a single example application - an echo server. The
-echo application is implemented using the raw API.

proj/minimal/echo.c

@@ -1,220 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "lwip/debug.h"
-#include "lwip/stats.h"
-#include "lwip/tcp.h"
-
-struct echo_state {
-  struct pbuf *p;
-  u8_t failed;
-#define FAILED_MAX 8
-};
-/*-----------------------------------------------------------------------------------*/
-static void
-echo_err(void *arg, err_t err)
-{
-  struct echo_state *es = arg;
-
-  if(arg != NULL) {
-    pbuf_free(es->p);
-    mem_free(arg);
-  }
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-close_conn(struct tcp_pcb *pcb, struct echo_state *es)
-{
-  tcp_arg(pcb, NULL);
-#if 0
-  tcp_sent(pcb, NULL);  
-  tcp_recv(pcb, NULL);
-#endif /* 0 */
-  if(es != NULL) {
-    pbuf_free(es->p);
-    mem_free(es);
-  }
-  tcp_close(pcb);
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-send_buf(struct tcp_pcb *pcb, struct echo_state *es)
-{
-  struct pbuf *q;
-  
-  do {
-    q = es->p;
-    es->p = pbuf_dechain(q);
-    if(tcp_write(pcb, q->payload, q->len, 1) == ERR_MEM) {
-      pbuf_chain(q, es->p);
-      es->p = q;
-      return;
-    }
-    tcp_recved(pcb, q->len);
-    pbuf_free(q);
-  } while(es->p != NULL);   
-}
-/*-----------------------------------------------------------------------------------*/
-static err_t
-echo_poll(void *arg, struct tcp_pcb *pcb)
-{
-  struct echo_state *es;
-
-  if(arg == NULL) {
-    return tcp_close(pcb);
-  }
-  
-  es = arg;
-
-  if(es->failed >= FAILED_MAX) {
-    close_conn(pcb, es);
-    tcp_abort(pcb);
-    return ERR_ABRT;
-  }
-  
-  if(es->p != NULL) {
-    ++es->failed;
-    send_buf(pcb, es);
-  }
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-static err_t
-echo_sent(void *arg, struct tcp_pcb *pcb, u16_t len)
-{
-  struct echo_state *es;
-  
-  es = arg;
-
-  if(es != NULL && es->p != NULL) {
-    send_buf(pcb, es);
-  }
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-static err_t
-echo_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
-{
-  struct echo_state *es;
-  
-  es = arg;
-
-  if(p == NULL) {
-    close_conn(pcb, es);
-    return ERR_OK;
-  }
-  
-  if(es->p != NULL) {
-    pbuf_chain(es->p, p);
-  } else {
-    es->p = p;
-  }
-
-  send_buf(pcb, es);
-  
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-static err_t
-echo_accept(void *arg, struct tcp_pcb *pcb, err_t err)
-{
-  struct echo_state *es;
-
-  tcp_setprio(pcb, TCP_PRIO_MIN);
-  
-  /* Allocate memory for the structure that holds the state of the
-     connection. */
-  es = mem_malloc(sizeof(struct echo_state));
-
-  if(es == NULL) {
-    return ERR_MEM;
-  }
-  
-  /* Initialize the structure. */
-  es->p = NULL;
-  es->failed = 0;
-
-  /* Tell TCP that this is the structure we wish to be passed for our
-     callbacks. */
-  tcp_arg(pcb, es);
-
-  /* Tell TCP that we wish to be informed of incoming data by a call
-     to the http_recv() function. */
-#if 0
-  tcp_recv(pcb, echo_recv);
-  
-  tcp_err(pcb, echo_err);
-#endif  /* 0 */
-  
-  tcp_poll(pcb, echo_poll, 2);
-
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-echo_init(void)
-{
-  struct tcp_pcb *pcb;
-
-  pcb = tcp_new();
-  tcp_bind(pcb, IP_ADDR_ANY, 7);
-  pcb = tcp_listen(pcb);
-#if 0
-  tcp_accept(pcb, echo_accept);
-#endif /* 0 */
-}
-/*-----------------------------------------------------------------------------------*/
-err_t
-lwip_tcp_event(void *arg, struct tcp_pcb *pcb,
-	       enum lwip_event ev, struct pbuf *p,
-	       u16_t size, err_t err)
-{
-  switch(ev) {
-  case LWIP_EVENT_ACCEPT:
-    return echo_accept(arg, pcb, err);
-  case LWIP_EVENT_SENT:
-    return echo_sent(arg, pcb, size);
-  case LWIP_EVENT_RECV:
-    return echo_recv(arg, pcb, p, err);
-  case LWIP_EVENT_ERR:
-    echo_err(arg, err);
-    break;
-  case LWIP_EVENT_POLL:
-    return echo_poll(arg, pcb);
-  default:
-    break;
-  }
-  
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-

proj/minimal/lwipopts.h

@@ -1,169 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __LWIPOPTS_H__
-#define __LWIPOPTS_H__
-
-#define NO_SYS 1
-#define LWIP_EVENT_API 1
-
-/* ---------- Memory options ---------- */
-/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
-   lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
-   byte alignment -> define MEM_ALIGNMENT to 2. */
-#define MEM_ALIGNMENT           2
-
-/* MEM_SIZE: the size of the heap memory. If the application will send
-a lot of data that needs to be copied, this should be set high. */
-#define MEM_SIZE                1000
-
-/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
-   sends a lot of data out of ROM (or other static memory), this
-   should be set high. */
-#define MEMP_NUM_PBUF           8
-/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
-   per active UDP "connection". */
-#define MEMP_NUM_UDP_PCB        4
-/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
-   connections. */
-#define MEMP_NUM_TCP_PCB        2
-/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
-   connections. */
-#define MEMP_NUM_TCP_PCB_LISTEN 8
-/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
-   segments. */
-#define MEMP_NUM_TCP_SEG        8
-
-/* The following four are used only with the sequential API and can be
-   set to 0 if the application only will use the raw API. */
-/* MEMP_NUM_NETBUF: the number of struct netbufs. */
-#define MEMP_NUM_NETBUF         0
-/* MEMP_NUM_NETCONN: the number of struct netconns. */
-#define MEMP_NUM_NETCONN        0
-/* MEMP_NUM_APIMSG: the number of struct api_msg, used for
-   communication between the TCP/IP stack and the sequential
-   programs. */
-#define MEMP_NUM_API_MSG        0
-/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
-   for sequential API communication and incoming packets. Used in
-   src/api/tcpip.c. */
-#define MEMP_NUM_TCPIP_MSG      0
-/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
-   timeouts. */
-#define MEMP_NUM_SYS_TIMEOUT    0
-
-/* ---------- Pbuf options ---------- */
-/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
-#define PBUF_POOL_SIZE          8
-
-/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
-#define PBUF_POOL_BUFSIZE       128
-
-/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
-   link level header. */
-#define PBUF_LINK_HLEN          16
-
-/* ---------- TCP options ---------- */
-#define LWIP_TCP                1
-#define TCP_TTL                 255
-
-/* Controls if TCP should queue segments that arrive out of
-   order. Define to 0 if your device is low on memory. */
-#define TCP_QUEUE_OOSEQ         0
-
-/* TCP Maximum segment size. */
-#define TCP_MSS                 128
-
-/* TCP sender buffer space (bytes). */
-#define TCP_SND_BUF             256
-
-/* TCP sender buffer space (pbufs). This must be at least = 2 *
-   TCP_SND_BUF/TCP_MSS for things to work. */
-#define TCP_SND_QUEUELEN        4 * TCP_SND_BUF/TCP_MSS
-
-/* TCP receive window. */
-#define TCP_WND                 512
-
-/* Maximum number of retransmissions of data segments. */
-#define TCP_MAXRTX              12
-
-/* Maximum number of retransmissions of SYN segments. */
-#define TCP_SYNMAXRTX           4
-
-/* ---------- ARP options ---------- */
-#define ARP_TABLE_SIZE 10
-#define ARP_QUEUEING 0
-
-/* ---------- IP options ---------- */
-/* Define IP_FORWARD to 1 if you wish to have the ability to forward
-   IP packets across network interfaces. If you are going to run lwIP
-   on a device with only one network interface, define this to 0. */
-#define IP_FORWARD              0
-
-/* If defined to 1, IP options are allowed (but not parsed). If
-   defined to 0, all packets with IP options are dropped. */
-#define IP_OPTIONS              1
-
-/* ---------- ICMP options ---------- */
-#define ICMP_TTL                255
-
-
-/* ---------- DHCP options ---------- */
-/* Define LWIP_DHCP to 1 if you want DHCP configuration of
-   interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
-   turning this on does currently not work. */
-#define LWIP_DHCP               0
-
-/* 1 if you want to do an ARP check on the offered address
-   (recommended). */
-#define DHCP_DOES_ARP_CHECK     1
-
-/* ---------- UDP options ---------- */
-#define LWIP_UDP                0
-#define UDP_TTL                 255
-
-
-/* ---------- Statistics options ---------- */
-/*#define STATS*/
-
-#ifdef STATS
-#define LINK_STATS
-#define IP_STATS
-#define ICMP_STATS
-#define UDP_STATS
-#define TCP_STATS
-#define MEM_STATS
-#define MEMP_STATS
-#define PBUF_STATS
-#define SYS_STATS
-#endif /* STATS */
-
-#endif /* __LWIPOPTS_H__ */

proj/minimal/main.c

@@ -1,101 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "lwip/debug.h"
-
-#include "lwip/mem.h"
-#include "lwip/memp.h"
-#include "lwip/sys.h"
-
-#include "lwip/stats.h"
-
-#include "lwip/ip.h"
-#include "lwip/udp.h"
-#include "lwip/tcp.h"
-
-#include "mintapif.h"
-
-/*-----------------------------------------------------------------------------------*/
-int
-main(int argc, char **argv)
-{
-  struct ip_addr ipaddr, netmask, gw;
-  struct netif *netif;
-  
-#ifdef PERF
-  perf_init("/tmp/minimal.perf");
-#endif /* PERF */
-#ifdef STATS
-  stats_init();
-#endif /* STATS */
-
-  mem_init();
-  memp_init();
-  pbuf_init(); 
-  netif_init();
-  ip_init();
-  udp_init();
-  tcp_init();
-  printf("TCP/IP initialized.\n");
-  
-  IP4_ADDR(&gw, 192,168,0,1);
-  IP4_ADDR(&ipaddr, 192,168,0,2);
-  IP4_ADDR(&netmask, 255,255,255,0);
-
-  netif = netif_add(&ipaddr, &netmask, &gw, mintapif_init, ip_input);
-  
-  netif_set_default(netif);
-
-  echo_init();
-  
-  printf("Applications started.\n");
-    
-
-  while(1) {
-    
-    if(mintapif_wait(netif, 100) == MINTAPIF_TIMEOUT) {
-      tcp_tmr();
-    }
-    
-  }
-  
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-
-
-
-
-
-
-
-

proj/minimal/mintapif.c

@@ -1,354 +0,0 @@
-/*-----------------------------------------------------------------------------------*/
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include <fcntl.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <sys/uio.h>
-#include <sys/socket.h>
-
-#ifdef linux
-#include <sys/ioctl.h>
-#include <linux/if.h>
-#include <linux/if_tun.h>
-#define DEVTAP "/dev/net/tun"
-#else  /* linux */
-#define DEVTAP "/dev/tap0"
-#endif /* linux */
-
-#include "lwip/stats.h"
-#include "lwip/mem.h"
-#include "netif/etharp.h"
-
-#include "mintapif.h"
-
-/* Define those to better describe your network interface. */
-#define IFNAME0 'e'
-#define IFNAME1 't'
-
-struct mintapif {
-  struct eth_addr *ethaddr;
-  /* Add whatever per-interface state that is needed here. */
-  u32_t lasttime;
-  int fd;
-};
-
-static const struct eth_addr ethbroadcast = {{0xff,0xff,0xff,0xff,0xff,0xff}};
-
-/* Forward declarations. */
-static void  mintapif_input(struct netif *netif);
-static err_t mintapif_output(struct netif *netif, struct pbuf *p,
-			       struct ip_addr *ipaddr);
-
-/*-----------------------------------------------------------------------------------*/
-static void
-low_level_init(struct netif *netif)
-{
-  struct mintapif *mintapif;
-  char buf[1024];
-
-  mintapif = netif->state;
-  
-  /* Obtain MAC address from network interface. */
-  mintapif->ethaddr->addr[0] = 1;
-  mintapif->ethaddr->addr[1] = 2;
-  mintapif->ethaddr->addr[2] = 3;
-  mintapif->ethaddr->addr[3] = 4;
-  mintapif->ethaddr->addr[4] = 5;
-  mintapif->ethaddr->addr[5] = 6;
-
-  /* Do whatever else is needed to initialize interface. */  
-  
-  mintapif->fd = open(DEVTAP, O_RDWR);
-  if(mintapif->fd == -1) {
-    perror("tapif: tapif_init: open");
-    exit(1);
-  }
-
-#ifdef linux
-  {
-    struct ifreq ifr;
-    memset(&ifr, 0, sizeof(ifr));
-    ifr.ifr_flags = IFF_TAP|IFF_NO_PI;
-    if (ioctl(mintapif->fd, TUNSETIFF, (void *) &ifr) < 0) {
-      perror(buf);
-      exit(1);
-    }
-  }
-#endif /* Linux */
-
-  snprintf(buf, sizeof(buf), "ifconfig tap0 inet %d.%d.%d.%d",
-           ip4_addr1(&(netif->gw)),
-           ip4_addr2(&(netif->gw)),
-           ip4_addr3(&(netif->gw)),
-           ip4_addr4(&(netif->gw)));
-  
-  system(buf);
-
-  mintapif->lasttime = 0;
-
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * low_level_output():
- *
- * Should do the actual transmission of the packet. The packet is
- * contained in the pbuf that is passed to the function. This pbuf
- * might be chained.
- *
- */
-/*-----------------------------------------------------------------------------------*/
-
-static err_t
-low_level_output(struct netif *netif, struct pbuf *p)
-{
-  struct mintapif *mintapif;
-  struct pbuf *q;
-  char buf[1500];
-  char *bufptr;
-
-  mintapif = netif->state;
-  
-  /* initiate transfer(); */
-  
-  bufptr = &buf[0];
-  
-  for(q = p; q != NULL; q = q->next) {
-    /* Send the data from the pbuf to the interface, one pbuf at a
-       time. The size of the data in each pbuf is kept in the ->len
-       variable. */    
-    /* send data from(q->payload, q->len); */
-    memcpy(bufptr, q->payload, q->len);
-    bufptr += q->len;
-  }
-
-  /* signal that packet should be sent(); */
-  if(write(mintapif->fd, buf, p->tot_len) == -1) {
-    perror("tapif: write");
-  }
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * low_level_input():
- *
- * Should allocate a pbuf and transfer the bytes of the incoming
- * packet from the interface into the pbuf.
- *
- */
-/*-----------------------------------------------------------------------------------*/
-static struct pbuf *
-low_level_input(struct mintapif *mintapif)
-{
-  struct pbuf *p, *q;
-  u16_t len;
-  char buf[1500];
-  char *bufptr;
-
-  /* Obtain the size of the packet and put it into the "len"
-     variable. */
-  len = read(mintapif->fd, buf, sizeof(buf));
-
-  /*  if(((double)rand()/(double)RAND_MAX) < 0.1) {
-    printf("drop\n");
-    return NULL;
-    }*/
-
-  
-  /* We allocate a pbuf chain of pbufs from the pool. */
-  p = pbuf_alloc(PBUF_LINK, len, PBUF_POOL);
-  
-  if(p != NULL) {
-    /* We iterate over the pbuf chain until we have read the entire
-       packet into the pbuf. */
-    bufptr = &buf[0];
-    for(q = p; q != NULL; q = q->next) {
-      /* Read enough bytes to fill this pbuf in the chain. The
-         avaliable data in the pbuf is given by the q->len
-         variable. */
-      /* read data into(q->payload, q->len); */
-      memcpy(q->payload, bufptr, q->len);
-      bufptr += q->len;
-    }
-    /* acknowledge that packet has been read(); */
-  } else {
-    /* drop packet(); */
-    printf("Could not allocate pbufs\n");
-  }
-
-  return p;  
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * mintapif_output():
- *
- * This function is called by the TCP/IP stack when an IP packet
- * should be sent. It calls the function called low_level_output() to
- * do the actuall transmission of the packet.
- *
- */
-/*-----------------------------------------------------------------------------------*/
-static err_t
-mintapif_output(struct netif *netif, struct pbuf *p,
-		  struct ip_addr *ipaddr)
-{
-  p = etharp_output(netif, ipaddr, p);
-  if(p != NULL) {
-    return low_level_output(netif, p);
-  }
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * mintapif_input():
- *
- * This function should be called when a packet is ready to be read
- * from the interface. It uses the function low_level_input() that
- * should handle the actual reception of bytes from the network
- * interface.
- *
- */
-/*-----------------------------------------------------------------------------------*/
-static void
-mintapif_input(struct netif *netif)
-{
-  struct mintapif *mintapif;
-  struct eth_hdr *ethhdr;
-  struct pbuf *p, *q;
-
-
-  mintapif = netif->state;
-  
-  p = low_level_input(mintapif);
-
-  if(p != NULL) {
-
-#ifdef LINK_STATS
-    lwip_stats.link.recv++;
-#endif /* LINK_STATS */
-
-    ethhdr = p->payload;
-
-    q = NULL;
-    switch(htons(ethhdr->type)) {
-    case ETHTYPE_IP:
-      q = etharp_ip_input(netif, p);
-      pbuf_header(p, -14);
-      netif->input(p, netif);
-      break;
-    case ETHTYPE_ARP:
-      q = etharp_arp_input(netif, mintapif->ethaddr, p);
-      break;
-    default:
-      pbuf_free(p);
-      break;
-    }
-    if(q != NULL) {
-      low_level_output(netif, q);
-      pbuf_free(q);
-    }
-
-  }
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * mintapif_init():
- *
- * Should be called at the beginning of the program to set up the
- * network interface. It calls the function low_level_init() to do the
- * actual setup of the hardware.
- *
- */
-/*-----------------------------------------------------------------------------------*/
-void
-mintapif_init(struct netif *netif)
-{
-  struct mintapif *mintapif;
-    
-  mintapif = mem_malloc(sizeof(struct mintapif));
-  netif->state = mintapif;
-  netif->name[0] = IFNAME0;
-  netif->name[1] = IFNAME1;
-  netif->output = mintapif_output;
-  netif->linkoutput = low_level_output;
-  
-  mintapif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
-  
-  low_level_init(netif);
-}
-/*-----------------------------------------------------------------------------------*/
-enum mintapif_signal
-mintapif_wait(struct netif *netif, u16_t time)
-{
-  fd_set fdset;
-  struct timeval tv, now;
-  struct timezone tz;
-  int ret;
-  struct mintapif *mintapif;
-
-  mintapif = netif->state;
-
-  while(1) {
-  
-    if(mintapif->lasttime >= (u32_t)time * 1000) {
-      mintapif->lasttime = 0;
-      return MINTAPIF_TIMEOUT;
-    }
-    
-    tv.tv_sec = 0;
-    tv.tv_usec = (u32_t)time * 1000 - mintapif->lasttime;
-    
-    
-    FD_ZERO(&fdset);
-    FD_SET(mintapif->fd, &fdset);
-    
-    gettimeofday(&now, &tz);
-    ret = select(mintapif->fd + 1, &fdset, NULL, NULL, &tv);
-    if(ret == 0) {
-      mintapif->lasttime = 0;    
-      return MINTAPIF_TIMEOUT;
-    } 
-    gettimeofday(&tv, &tz);
-    mintapif->lasttime += (tv.tv_sec - now.tv_sec) * 1000000 + (tv.tv_usec - now.tv_usec);
-
-    mintapif_input(netif);
-  }
-  
-  return MINTAPIF_PACKET;
-}

proj/minimal/mintapif.h

@@ -1,45 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __MINTAPIF_H__
-#define __MINTAPIF_H__
-
-#include "lwip/netif.h"
-
-enum mintapif_signal {
-  MINTAPIF_TIMEOUT,
-  MINTAPIF_PACKET
-};
-
-void mintapif_init(struct netif *netif);
-enum mintapif_signal mintapif_wait(struct netif *netif, u16_t time);
-
-#endif /* __MINTAPIF_H__ */

proj/msvc6/lwip4/lwip4.dsp

@@ -1,244 +0,0 @@
-# Microsoft Developer Studio Project File - Name="lwip4" - Package Owner=<4>
-# Microsoft Developer Studio Generated Build File, Format Version 6.00
-# ** NICHT BEARBEITEN **
-
-# TARGTYPE "Win32 (x86) Static Library" 0x0104
-
-CFG=lwip4 - Win32 Debug
-!MESSAGE Dies ist kein g<>ltiges Makefile. Zum Erstellen dieses Projekts mit NMAKE
-!MESSAGE verwenden Sie den Befehl "Makefile exportieren" und f<>hren Sie den Befehl
-!MESSAGE 
-!MESSAGE NMAKE /f "lwip4.mak".
-!MESSAGE 
-!MESSAGE Sie k<>nnen beim Ausf<73>hren von NMAKE eine Konfiguration angeben
-!MESSAGE durch Definieren des Makros CFG in der Befehlszeile. Zum Beispiel:
-!MESSAGE 
-!MESSAGE NMAKE /f "lwip4.mak" CFG="lwip4 - Win32 Debug"
-!MESSAGE 
-!MESSAGE F<>r die Konfiguration stehen zur Auswahl:
-!MESSAGE 
-!MESSAGE "lwip4 - Win32 Release" (basierend auf  "Win32 (x86) Static Library")
-!MESSAGE "lwip4 - Win32 Debug" (basierend auf  "Win32 (x86) Static Library")
-!MESSAGE 
-
-# Begin Project
-# PROP AllowPerConfigDependencies 0
-# PROP Scc_ProjName ""
-# PROP Scc_LocalPath ""
-CPP=cl.exe
-RSC=rc.exe
-
-!IF  "$(CFG)" == "lwip4 - Win32 Release"
-
-# PROP BASE Use_MFC 0
-# PROP BASE Use_Debug_Libraries 0
-# PROP BASE Output_Dir "Release"
-# PROP BASE Intermediate_Dir "Release"
-# PROP BASE Target_Dir ""
-# PROP Use_MFC 0
-# PROP Use_Debug_Libraries 0
-# PROP Output_Dir "Release"
-# PROP Intermediate_Dir "Release"
-# PROP Target_Dir ""
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-# Name "lwip4 - Win32 Release"
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-
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proj/msvc6/lwipopts.h

@@ -1,168 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __LWIPOPTS_H__
-#define __LWIPOPTS_H__
-
-#define NO_SYS 1
-//#define LWIP_EVENT_API 1
-
-/* ---------- Memory options ---------- */
-/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
-   lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
-   byte alignment -> define MEM_ALIGNMENT to 2. */
-#define MEM_ALIGNMENT           2
-
-/* MEM_SIZE: the size of the heap memory. If the application will send
-a lot of data that needs to be copied, this should be set high. */
-#define MEM_SIZE                1000
-
-/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
-   sends a lot of data out of ROM (or other static memory), this
-   should be set high. */
-#define MEMP_NUM_PBUF           8
-/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
-   per active UDP "connection". */
-#define MEMP_NUM_UDP_PCB        4
-/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
-   connections. */
-#define MEMP_NUM_TCP_PCB        2
-/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
-   connections. */
-#define MEMP_NUM_TCP_PCB_LISTEN 8
-/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
-   segments. */
-#define MEMP_NUM_TCP_SEG        8
-
-/* The following four are used only with the sequential API and can be
-   set to 0 if the application only will use the raw API. */
-/* MEMP_NUM_NETBUF: the number of struct netbufs. */
-#define MEMP_NUM_NETBUF         0
-/* MEMP_NUM_NETCONN: the number of struct netconns. */
-#define MEMP_NUM_NETCONN        0
-/* MEMP_NUM_APIMSG: the number of struct api_msg, used for
-   communication between the TCP/IP stack and the sequential
-   programs. */
-#define MEMP_NUM_API_MSG        0
-/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
-   for sequential API communication and incoming packets. Used in
-   src/api/tcpip.c. */
-#define MEMP_NUM_TCPIP_MSG      0
-/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
-   timeouts. */
-#define MEMP_NUM_SYS_TIMEOUT    0
-
-/* ---------- Pbuf options ---------- */
-/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
-#define PBUF_POOL_SIZE          8
-
-/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
-#define PBUF_POOL_BUFSIZE       128
-
-/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
-   link level header. */
-#define PBUF_LINK_HLEN          16
-
-/* ---------- TCP options ---------- */
-#define LWIP_TCP                1
-#define TCP_TTL                 255
-
-/* Controls if TCP should queue segments that arrive out of
-   order. Define to 0 if your device is low on memory. */
-#define TCP_QUEUE_OOSEQ         0
-
-/* TCP Maximum segment size. */
-#define TCP_MSS                 128
-
-/* TCP sender buffer space (bytes). */
-#define TCP_SND_BUF             256
-
-/* TCP sender buffer space (pbufs). This must be at least = 2 *
-   TCP_SND_BUF/TCP_MSS for things to work. */
-#define TCP_SND_QUEUELEN        4 * TCP_SND_BUF/TCP_MSS
-
-/* TCP receive window. */
-#define TCP_WND                 512
-
-/* Maximum number of retransmissions of data segments. */
-#define TCP_MAXRTX              12
-
-/* Maximum number of retransmissions of SYN segments. */
-#define TCP_SYNMAXRTX           4
-
-/* ---------- ARP options ---------- */
-#define ARP_TABLE_SIZE 10
-
-/* ---------- IP options ---------- */
-/* Define IP_FORWARD to 1 if you wish to have the ability to forward
-   IP packets across network interfaces. If you are going to run lwIP
-   on a device with only one network interface, define this to 0. */
-#define IP_FORWARD              0
-
-/* If defined to 1, IP options are allowed (but not parsed). If
-   defined to 0, all packets with IP options are dropped. */
-#define IP_OPTIONS              1
-
-/* ---------- ICMP options ---------- */
-#define ICMP_TTL                255
-
-
-/* ---------- DHCP options ---------- */
-/* Define LWIP_DHCP to 1 if you want DHCP configuration of
-   interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
-   turning this on does currently not work. */
-#define LWIP_DHCP               0
-
-/* 1 if you want to do an ARP check on the offered address
-   (recommended). */
-#define DHCP_DOES_ARP_CHECK     1
-
-/* ---------- UDP options ---------- */
-#define LWIP_UDP                0
-#define UDP_TTL                 255
-
-
-/* ---------- Statistics options ---------- */
-/*#define STATS*/
-
-#ifdef STATS
-#define LINK_STATS
-#define IP_STATS
-#define ICMP_STATS
-#define UDP_STATS
-#define TCP_STATS
-#define MEM_STATS
-#define MEMP_STATS
-#define PBUF_STATS
-#define SYS_STATS
-#endif /* STATS */
-
-#endif /* __LWIPOPTS_H__ */

proj/msvc6/pktif.c

@@ -1,527 +0,0 @@
-/*
- * Copyright (c) 2001,2002 Florian Schulze.
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the authors nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * pktif.c - This file is part of lwIPtest
- *
- ****************************************************************************
- *
- * This file is derived from an example in lwIP with the following license:
- *
- * Copyright (c) 2001, Swedish Institute of Computer Science.
- * All rights reserved. 
- *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
- * 2. Redistributions in binary form must reproduce the above copyright 
- *    notice, this list of conditions and the following disclaimer in the 
- *    documentation and/or other materials provided with the distribution. 
- * 3. Neither the name of the Institute nor the names of its contributors 
- *    may be used to endorse or promote products derived from this software 
- *    without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
- * SUCH DAMAGE. 
- *
- */
-
-#define WIN32_LEAN_AND_MEAN
-#include <stdlib.h>
-#include <stdio.h>
-#include <windows.h>
-#include <packet32.h>
-#include <ntddndis.h>
-
-#include "lwip/debug.h"
-
-#include "lwip/opt.h"
-#include "lwip/def.h"
-#include "lwip/mem.h"
-#include "lwip/pbuf.h"
-#include "lwip/stats.h"
-#include "lwip/sys.h"
-#include "lwip/ip.h"
-
-#include "netif/etharp.h"
-#include "netif/tcpdump.h"
-
-#undef NETIF_DEBUG
-
-/* Define those to better describe your network interface. */
-#define IFNAME0 'p'
-#define IFNAME1 'k'
-
-struct ethernetif {
-	struct eth_addr *ethaddr;
-	/* Add whatever per-interface state that is needed here. */
-};
-
-static const struct eth_addr ethbroadcast = {{0xff,0xff,0xff,0xff,0xff,0xff}};
-
-/* Forward declarations. */
-static void  ethernetif_input(struct netif *netif);
-static err_t ethernetif_output(struct netif *netif, struct pbuf *p,
-			       struct ip_addr *ipaddr);
-
-static struct netif *pktif_netif;
-
-LPADAPTER  lpAdapter;
-LPPACKET   lpPacket;
-char buffer[256000];  // buffer to hold the data coming from the driver
-unsigned char *cur_packet;
-int cur_length;
-
-struct eth_addr ethaddr;
-
-/*-----------------------------------------------------------------------------------*/
-int init_adapter(void)
-{
-  #define Max_Num_Adapter 10
-
-  char AdapterList[Max_Num_Adapter][1024];
-
-	int i;
-	DWORD dwVersion;
-	DWORD dwWindowsMajorVersion;
-
-	//unicode strings (winnt)
-	WCHAR		AdapterName[8192]; // string that contains a list of the network adapters
-	WCHAR		*temp,*temp1;
-
-	//ascii strings (win95)
-	char		AdapterNamea[8192]; // string that contains a list of the network adapters
-	char		*tempa,*temp1a;
-
-	int			AdapterNum=0;
-	ULONG		AdapterLength;
-
-  PPACKET_OID_DATA ppacket_oid_data;
-	
-	BOOLEAN result;
-
-	// obtain the name of the adapters installed on this machine
-	AdapterLength=4096;
-
-  memset(AdapterList,0,sizeof(AdapterList));
-
-  i=0;
-
-	// the data returned by PacketGetAdapterNames is different in Win95 and in WinNT.
-	// We have to check the os on which we are running
-	dwVersion=GetVersion();
-	dwWindowsMajorVersion =  (DWORD)(LOBYTE(LOWORD(dwVersion)));
-	if (!(dwVersion >= 0x80000000 && dwWindowsMajorVersion >= 4))
-	{  // Windows NT
-		if(PacketGetAdapterNames(AdapterName,&AdapterLength)==FALSE){
-			printf("Unable to retrieve the list of the adapters!\n");
-			return -1;
-		}
-		temp=AdapterName;
-		temp1=AdapterName;
-		while ((*temp!='\0')||(*(temp-1)!='\0'))
-		{
-			if (*temp=='\0') 
-			{
-				memcpy(AdapterList[i],temp1,(temp-temp1)*2);
-				temp1=temp+1;
-				i++;
-		}
-	
-		temp++;
-		}
-	  
-		AdapterNum=i;
-	}
-
-	else	//windows 95
-	{
-		if(PacketGetAdapterNames(AdapterNamea,&AdapterLength)==FALSE){
-			printf("Unable to retrieve the list of the adapters!\n");
-			return -1;
-		}
-		tempa=AdapterNamea;
-		temp1a=AdapterNamea;
-
-		while ((*tempa!='\0')||(*(tempa-1)!='\0'))
-		{
-			if (*tempa=='\0') 
-			{
-				memcpy(AdapterList[i],temp1a,tempa-temp1a);
-				temp1a=tempa+1;
-				i++;
-			}
-			tempa++;
-		}
-		  
-		AdapterNum=i;
-	}
-
-  if (AdapterNum<=0)
-    return -1;
-
-  ppacket_oid_data=malloc(sizeof(PACKET_OID_DATA)+6);
-  lpAdapter=PacketOpenAdapter(AdapterList[0]);
-	if (!lpAdapter || (lpAdapter->hFile == INVALID_HANDLE_VALUE))
-	  return -1;
-  ppacket_oid_data->Oid=OID_802_3_PERMANENT_ADDRESS;
-  ppacket_oid_data->Length=6;
-  if (!PacketRequest(lpAdapter,FALSE,ppacket_oid_data))
-		return -1;
-  memcpy(ppacket_oid_data->Data,&ethaddr,6);
-  free(ppacket_oid_data);
-	PacketSetBuff(lpAdapter,512000);
-	PacketSetReadTimeout(lpAdapter,1);
-	PacketSetHwFilter(lpAdapter,NDIS_PACKET_TYPE_ALL_LOCAL);
-	if((lpPacket = PacketAllocatePacket())==NULL){
-		return (-1);
-	}
-	PacketInitPacket(lpPacket,(char*)buffer,256000);
-
-	return 0;
-}
-
-void shutdown_adapter(void)
-{
-  struct ethernetif *ethernetif;
-
-  ethernetif = pktif_netif->state;
- 
-	PacketFreePacket(lpPacket);
-	PacketCloseAdapter(lpAdapter);
-}
-
-static void open_adapter(struct ethernetif *ethernetif)
-{
-	memcpy(&ethaddr,ethernetif->ethaddr,6);
-}
-
-/*-----------------------------------------------------------------------------------*/
-static void
-low_level_init(struct netif *netif)
-{
-	struct ethernetif *ethernetif;
-
-	ethernetif = netif->state;
-  
-	open_adapter(ethernetif);
-
-#ifdef NETIF_DEBUG
-	DEBUGF(NETIF_DEBUG, ("pktif: eth_addr %02X%02X%02X%02X%02X%02X\n",ethernetif->ethaddr->addr[0],ethernetif->ethaddr->addr[1],ethernetif->ethaddr->addr[2],ethernetif->ethaddr->addr[3],ethernetif->ethaddr->addr[4],ethernetif->ethaddr->addr[5]));
-#endif /* NETIF_DEBUG */
-	/* Do whatever else is needed to initialize interface. */  
-	
-	pktif_netif=netif;
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * low_level_output():
- *
- * Should do the actual transmission of the packet. The packet is
- * contained in the pbuf that is passed to the function. This pbuf
- * might be chained.
- *
- */
-/*-----------------------------------------------------------------------------------*/
-
-static err_t
-low_level_output(struct netif *ethernetif, struct pbuf *p)
-{
-  struct pbuf *q;
-  unsigned char buffer[1600];
-	unsigned char *ptr;
-	LPPACKET lpPacket;
-
-  /* initiate transfer(); */
-  if (p->tot_len>=1600)
- 		return ERR_BUF;
-	if((lpPacket = PacketAllocatePacket())==NULL)
- 		return ERR_BUF;
-	PacketInitPacket(lpPacket,buffer,p->tot_len);
-	ptr=buffer;
-  for(q = p; q != NULL; q = q->next) {
-    /* Send the data from the pbuf to the interface, one pbuf at a
-       time. The size of the data in each pbuf is kept in the ->len
-       variable. */
-    /* send data from(q->payload, q->len); */
-#ifdef NETIF_DEBUG
-		DEBUGF(NETIF_DEBUG, ("netif: send ptr %p q->payload %p q->len %i q->next %p\n", ptr, q->payload, (int)q->len, q->next));
-#endif
-		bcopy(q->payload,ptr,q->len);
-		ptr+=q->len;
-  }
-
-  /* signal that packet should be sent(); */
-	
-	if (!PacketSendPacket(lpAdapter,lpPacket,TRUE))
-		return ERR_BUF;
-	PacketFreePacket(lpPacket);
-
-#ifdef LINK_STATS
-  lwip_stats.link.xmit++;
-#endif /* LINK_STATS */      
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * low_level_input():
- *
- * Should allocate a pbuf and transfer the bytes of the incoming
- * packet from the interface into the pbuf.
- *
- */
-/*-----------------------------------------------------------------------------------*/
-static struct pbuf *
-low_level_input(struct netif *ethernetif)
-{
-  struct pbuf *p, *q;
-  int start, length;
-
-  /* Obtain the size of the packet and put it into the "len"
-     variable. */
-  length = cur_length;
-	if (length<=0)
-		return NULL;
-
-  /* We allocate a pbuf chain of pbufs from the pool. */
-  p = pbuf_alloc(PBUF_LINK, (u16_t)length, PBUF_POOL);
-#ifdef NETIF_DEBUG
-	DEBUGF(NETIF_DEBUG, ("netif: recv length %i p->tot_len %i\n", length, (int)p->tot_len));
-#endif
-	
-  if(p != NULL) {
-    /* We iterate over the pbuf chain until we have read the entire
-       packet into the pbuf. */
-		start=0;
-    for(q = p; q != NULL; q = q->next) {
-      /* Read enough bytes to fill this pbuf in the chain. The
-         avaliable data in the pbuf is given by the q->len
-         variable. */
-      /* read data into(q->payload, q->len); */
-#ifdef NETIF_DEBUG
-			DEBUGF(NETIF_DEBUG, ("netif: recv start %i length %i q->payload %p q->len %i q->next %p\n", start, length, q->payload, (int)q->len, q->next));
-#endif
-      bcopy(&cur_packet[start],q->payload,q->len);
-			start+=q->len;
-			length-=q->len;
-			if (length<=0)
-				break;
-    }
-    /* acknowledge that packet has been read(); */
-    cur_length=0;
-#ifdef LINK_STATS
-    lwip_stats.link.recv++;
-#endif /* LINK_STATS */      
-  } else {
-    /* drop packet(); */
-    cur_length=0;
-#ifdef LINK_STATS
-    lwip_stats.link.memerr++;
-    lwip_stats.link.drop++;
-#endif /* LINK_STATS */      
-  }
-
-  return p;  
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * ethernetif_output():
- *
- * This function is called by the TCP/IP stack when an IP packet
- * should be sent. It calls the function called low_level_output() to
- * do the actuall transmission of the packet.
- *
- */
-/*-----------------------------------------------------------------------------------*/
-static err_t
-ethernetif_output(struct netif *netif, struct pbuf *p,
-		  struct ip_addr *ipaddr)
-{
-  p = etharp_output(netif, ipaddr, p);
-  if(p != NULL) {
-    return low_level_output(netif, p);
-  }
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * ethernetif_input():
- *
- * This function should be called when a packet is ready to be read
- * from the interface. It uses the function low_level_input() that
- * should handle the actual reception of bytes from the network
- * interface.
- *
- */
-/*-----------------------------------------------------------------------------------*/
-static void
-ethernetif_input(struct netif *netif)
-{
-  struct ethernetif *ethernetif;
-  struct eth_hdr *ethhdr;
-  struct pbuf *p;
-
-
-  ethernetif = netif->state;
-  
-  p = low_level_input(netif);
-
-  if(p != NULL) {
-
-#ifdef LINK_STATS
-    lwip_stats.link.recv++;
-#endif /* LINK_STATS */
-
-    ethhdr = p->payload;
-    
-    switch(htons(ethhdr->type)) {
-    case ETHTYPE_IP:
-      etharp_ip_input(netif, p);
-      pbuf_header(p, -14);
-			//if(ip_lookup(p->payload, netif)) {
-	      netif->input(p, netif);
-			//}
-      break;
-    case ETHTYPE_ARP:
-      p = etharp_arp_input(netif, ethernetif->ethaddr, p);
-      if(p != NULL) {
-				low_level_output(netif, p);
-				pbuf_free(p);
-      }
-      break;
-    default:
-      pbuf_free(p);
-      break;
-    }
-  }
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-arp_timer(void *arg)
-{
-  etharp_tmr();
-  sys_timeout(ARP_TMR_INTERVAL, (sys_timeout_handler)arp_timer, NULL);
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * ethernetif_init():
- *
- * Should be called at the beginning of the program to set up the
- * network interface. It calls the function low_level_init() to do the
- * actual setup of the hardware.
- *
- */
-/*-----------------------------------------------------------------------------------*/
-void
-ethernetif_init(struct netif *netif)
-{
-  struct ethernetif *ethernetif;
-    
-  ethernetif = mem_malloc(sizeof(struct ethernetif));
-  netif->state = ethernetif;
-  netif->name[0] = IFNAME0;
-  netif->name[1] = IFNAME1;
-  netif->output = ethernetif_output;
-  
-  ethernetif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
-  
-  low_level_init(netif);
-  etharp_init();  
-  
-  sys_timeout(ARP_TMR_INTERVAL, (sys_timeout_handler)arp_timer, NULL);
-}
-/*-----------------------------------------------------------------------------------*/
-/*
- * pktif_update():
- *
- * Needs to be called periodically to get new packets. This could
- * be done inside a thread.
- */
-/*-----------------------------------------------------------------------------------*/
-static void ProcessPackets(LPPACKET lpPacket)
-{
-
-	ULONG	ulLines, ulBytesReceived;
-	char	*base;
-	char	*buf;
-	u_int off=0;
-	u_int tlen,tlen1;
-	struct bpf_hdr *hdr;
-  struct ethernetif *ethernetif;
-
-  ethernetif = pktif_netif->state;
-  
-	ulBytesReceived = lpPacket->ulBytesReceived;
-
-	buf = lpPacket->Buffer;
-
-	off=0;
-
-	while(off<ulBytesReceived)
-  {	
-		//if(kbhit())return;
-		hdr=(struct bpf_hdr *)(buf+off);
-		tlen1=hdr->bh_datalen;
-		cur_length=tlen1;
-		tlen=hdr->bh_caplen;
-		off+=hdr->bh_hdrlen;
-
-		ulLines = (tlen + 15) / 16;
-		if (ulLines > 5) ulLines=5;
-
-		base =(char*)(buf+off);
-		cur_packet=base;
-		off=Packet_WORDALIGN(off+tlen);
-
-		ethernetif_input(pktif_netif);
-	}
-} 
-
-void update_adapter(void)
-{
-  struct ethernetif *ethernetif;
-
-  ethernetif = pktif_netif->state;
-  
-  if(PacketReceivePacket(lpAdapter,lpPacket,TRUE)==TRUE)
-    ProcessPackets(lpPacket);
-  cur_length=0;
-  cur_packet=NULL;
-}
-

proj/msvc6/pktif/pktif.dsp

@@ -1,104 +0,0 @@
-# Microsoft Developer Studio Project File - Name="pktif" - Package Owner=<4>
-# Microsoft Developer Studio Generated Build File, Format Version 6.00
-# ** NICHT BEARBEITEN **
-
-# TARGTYPE "Win32 (x86) Static Library" 0x0104
-
-CFG=pktif - Win32 Debug
-!MESSAGE Dies ist kein g<>ltiges Makefile. Zum Erstellen dieses Projekts mit NMAKE
-!MESSAGE verwenden Sie den Befehl "Makefile exportieren" und f<>hren Sie den Befehl
-!MESSAGE 
-!MESSAGE NMAKE /f "pktif.mak".
-!MESSAGE 
-!MESSAGE Sie k<>nnen beim Ausf<73>hren von NMAKE eine Konfiguration angeben
-!MESSAGE durch Definieren des Makros CFG in der Befehlszeile. Zum Beispiel:
-!MESSAGE 
-!MESSAGE NMAKE /f "pktif.mak" CFG="pktif - Win32 Debug"
-!MESSAGE 
-!MESSAGE F<>r die Konfiguration stehen zur Auswahl:
-!MESSAGE 
-!MESSAGE "pktif - Win32 Release" (basierend auf  "Win32 (x86) Static Library")
-!MESSAGE "pktif - Win32 Debug" (basierend auf  "Win32 (x86) Static Library")
-!MESSAGE 
-
-# Begin Project
-# PROP AllowPerConfigDependencies 0
-# PROP Scc_ProjName ""
-# PROP Scc_LocalPath ""
-CPP=cl.exe
-RSC=rc.exe
-
-!IF  "$(CFG)" == "pktif - Win32 Release"
-
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-# ADD CPP /nologo /W3 /GX /O2 /I "..\..\..\src\include" /I "..\..\..\src\include\ipv4" /I "..\..\..\proj\msvc6" /I "..\..\..\src\arch\msvc6\include" /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c
-# ADD BASE RSC /l 0x407 /d "NDEBUG"
-# ADD RSC /l 0x407 /d "NDEBUG"
-BSC32=bscmake.exe
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-# ADD BSC32 /nologo
-LIB32=link.exe -lib
-# ADD BASE LIB32 /nologo
-# ADD LIB32 /nologo
-
-!ELSEIF  "$(CFG)" == "pktif - Win32 Debug"
-
-# PROP BASE Use_MFC 0
-# PROP BASE Use_Debug_Libraries 1
-# PROP BASE Output_Dir "Debug"
-# PROP BASE Intermediate_Dir "Debug"
-# PROP BASE Target_Dir ""
-# PROP Use_MFC 0
-# PROP Use_Debug_Libraries 1
-# PROP Output_Dir "Debug"
-# PROP Intermediate_Dir "Debug"
-# PROP Target_Dir ""
-# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ  /c
-# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "..\..\..\src\include" /I "..\..\..\src\include\ipv4" /I "..\..\..\proj\msvc6" /I "..\..\..\src\arch\msvc6\include" /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ  /c
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-# ADD BASE LIB32 /nologo
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-
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-
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-
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-# Name "pktif - Win32 Debug"
-# Begin Group "Quellcodedateien"
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-# Begin Source File
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proj/msvc6/readme.txt

@@ -1,26 +0,0 @@
-lwIP for Win32
-
-***WARNING***
-The current CVS code of this port isn't much tested.
-***WARNING***
-
-This is a quickly hacked port and example project of the lwIP library to
-Win32/MSVC.
-
-Due to the nature of the lwip library you have to copy this whole project
-into a new subdir in proj and modify lwipopts.h to your needs. If you move
-it to another directory besides proj, you have to update the include paths
-in the project settings.
-
-Included in the proj/msvc6 directory is the network interface driver using
-the winpcap library.
-
-There is no more documentation yet. Try to figure it out yourself.
-
-This is provided as is, it's just a hack to test some stuff, no serious
-implementation.
-
-Florian Schulze (florian.proff.schulze@gmx.net)
-
-lwIP: http://www.sics.se/~adam/lwip/
-WinPCap: http://netgroup-serv.polito.it/winpcap/

proj/msvc6/test.c

@@ -1,217 +0,0 @@
-/*
- * Copyright (c) 2001,2002 Florian Schulze.
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the authors nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * test.c - This file is part of lwIPtest
- *
- */
-
-#include <stdio.h>
-#include <stdarg.h>
-#include <time.h>
-#include <string.h>
-
-#include "lwip/debug.h"
-#include "lwip/mem.h"
-#include "lwip/memp.h"
-#include "lwip/sys.h"
-
-#include "lwip/stats.h"
-
-#include "lwip/tcpip.h"
-
-#include "netif/loopif.h"
-#include "netif/tcpdump.h"
-
-#include "arch/perf.h"
-
-//#include "httpd.h"
-//#include "ftpd.h"
-//#include "fs.h"
-
-void ethernetif_init(struct netif *netif);
-int init_adapter(void);
-void shutdown_adapter(void);
-void update_adapter(void);
-
-int dbg_printf(const char *fmt, ...)
-{
-	va_list v;
-	int r;
-
-	va_start(v, fmt);
-	r = vfprintf(stderr,fmt, v);
-	va_end(v);
-	return r;
-}
-
-static err_t netio_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
-{
-	if (err == ERR_OK && p != NULL)
-	{
-		tcp_recved(pcb, p->tot_len);
-		pbuf_free(p);
-	}
-	else
-		pbuf_free(p);
-
-	if (err == ERR_OK && p == NULL)
-	{
-		tcp_arg(pcb, NULL);
-		tcp_sent(pcb, NULL);
-		tcp_recv(pcb, NULL);
-		tcp_close(pcb);
-	}
-
-	return ERR_OK;
-}
-
-static err_t netio_accept(void *arg, struct tcp_pcb *pcb, err_t err)
-{
-	tcp_arg(pcb, NULL);
-	tcp_sent(pcb, NULL);
-	tcp_recv(pcb, netio_recv);
-	return ERR_OK;
-}
-
-void netio_init(void)
-{
-	struct tcp_pcb *pcb;
-
-	pcb = tcp_new();
-	tcp_bind(pcb, IP_ADDR_ANY, 18767);
-	pcb = tcp_listen(pcb);
-	tcp_accept(pcb, netio_accept);
-}
-
-void main_loop()
-{
-	struct ip_addr ipaddr, netmask, gw;
-	int last_time;
-	int timer1;
-	int timer2;
-	int done;
-	
-	IP4_ADDR(&gw, 192,168,2,201);
-	IP4_ADDR(&ipaddr, 192,168,2,200);
-	IP4_ADDR(&netmask, 255,255,255,0);
-	
-	if (init_adapter() != 0)
-		return;
-
-	netif_set_default(netif_add(&ipaddr, &netmask, &gw, ethernetif_init,
-		ip_input));
-
-	/*
-	IP4_ADDR(&gw, 127,0,0,1);
-	IP4_ADDR(&ipaddr, 127,0,0,1);
-	IP4_ADDR(&netmask, 255,0,0,0);
-	
-	netif_add(&ipaddr, &netmask, &gw, loopif_init,
-		ip_input);
-	*/
-
-	tcp_init();
-	udp_init();
-	ip_init();
-
-	//httpd_init();
-	netio_init();
-	//ftpd_init();
-
-	last_time=clock();
-	timer1=0;
-	timer2=0;
-	done=0;
-	
-	while(!done)
-	{
-		int cur_time;
-		int time_diff;
-
-		cur_time=clock();
-		time_diff=cur_time-last_time;
-		if (time_diff>0)
-		{
-			last_time=cur_time;
-			timer1+=time_diff;
-			timer2+=time_diff;
-		}
-
-		if (timer1>10)
-		{
-			tcp_fasttmr();
-			timer1=0;
-		}
-
-		if (timer2>45)
-		{
-			tcp_slowtmr();
-			timer2=0;
-			done=kbhit();
-		}
-
-		update_adapter();
-	}
-
-	shutdown_adapter();
-}
-
-void bcopy(const void *src, void *dest, int len)
-{
-  memcpy(dest,src,len);
-}
-
-void bzero(void *data, int n)
-{
-  memset(data,0,n);
-}
-
-int main(void)
-{
-	setvbuf(stdout,NULL,_IONBF,0);
-#ifdef PERF
-	perf_init("/tmp/lwip.perf");
-#endif /* PERF */
-#ifdef STATS
-	stats_init();
-#endif /* STATS */
-	sys_init();
-	mem_init();
-	memp_init();
-	pbuf_init();
-
-	//tcpdump_init();
-
-	printf("System initialized.\n");
-
-	main_loop();
-
-	return 0;
-}
-

proj/msvc6/test.dsp

@@ -1,154 +0,0 @@
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-# Microsoft Developer Studio Generated Build File, Format Version 6.00
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-
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-!MESSAGE NMAKE /f "test.mak".
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-# Begin Source File
-
-SOURCE=.\pktif\Debug\pktif_d.lib
-
-!IF  "$(CFG)" == "test - Win32 Release"
-
-# PROP Exclude_From_Build 1
-
-!ELSEIF  "$(CFG)" == "test - Win32 Debug"
-
-!ENDIF 
-
-# End Source File
-# Begin Source File
-
-SOURCE=.\pktif\Release\pktif.lib
-
-!IF  "$(CFG)" == "test - Win32 Release"
-
-!ELSEIF  "$(CFG)" == "test - Win32 Debug"
-
-# PROP Exclude_From_Build 1
-
-!ENDIF 
-
-# End Source File
-# End Target
-# End Project

proj/msvc6/test.dsw

@@ -1,59 +0,0 @@
-Microsoft Developer Studio Workspace File, Format Version 6.00
-# WARNUNG: DIESE ARBEITSBEREICHSDATEI DARF NICHT BEARBEITET ODER GEL<45>SCHT WERDEN!
-
-###############################################################################
-
-Project: "lwip4"=.\lwip4\lwip4.dsp - Package Owner=<4>
-
-Package=<5>
-{{{
-}}}
-
-Package=<4>
-{{{
-}}}
-
-###############################################################################
-
-Project: "pktif"=.\pktif\pktif.dsp - Package Owner=<4>
-
-Package=<5>
-{{{
-}}}
-
-Package=<4>
-{{{
-}}}
-
-###############################################################################
-
-Project: "test"=.\test.dsp - Package Owner=<4>
-
-Package=<5>
-{{{
-}}}
-
-Package=<4>
-{{{
-    Begin Project Dependency
-    Project_Dep_Name lwip4
-    End Project Dependency
-    Begin Project Dependency
-    Project_Dep_Name pktif
-    End Project Dependency
-}}}
-
-###############################################################################
-
-Global:
-
-Package=<5>
-{{{
-}}}
-
-Package=<3>
-{{{
-}}}
-
-###############################################################################
-

proj/unixlib/Makefile

@@ -1,86 +0,0 @@
-#
-# Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
-# All rights reserved. 
-# 
-# Redistribution and use in source and binary forms, with or without modification, 
-# are permitted provided that the following conditions are met:
-#
-# 1. Redistributions of source code must retain the above copyright notice,
-#    this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright notice,
-#    this list of conditions and the following disclaimer in the documentation
-#    and/or other materials provided with the distribution.
-# 3. The name of the author may not be used to endorse or promote products
-#    derived from this software without specific prior written permission. 
-#
-# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
-# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
-# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
-# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
-# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
-# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
-# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
-# OF SUCH DAMAGE.
-#
-# This file is part of the lwIP TCP/IP stack.
-# 
-# Author: Adam Dunkels <adam@sics.se>
-#
-
-CCDEP=gcc
-CC=gcc
-CFLAGS=-g -Wall -fPIC -DIPv4 -DLWIP_DEBUG
-LWIPARCH=unix
-LWIPDIR=../../src
-
-CFLAGS:=$(CFLAGS) \
-	-I$(LWIPDIR)/include -I$(LWIPDIR)/arch/$(LWIPARCH)/include -I$(LWIPDIR)/include/ipv4 \
-	-Iapps -I.
-
-# COREFILES, CORE4FILES: The minimum set of files needed for lwIP.
-COREFILES=$(LWIPDIR)/core/mem.c $(LWIPDIR)/core/memp.c $(LWIPDIR)/core/netif.c \
-	$(LWIPDIR)/core/pbuf.c $(LWIPDIR)/core/stats.c $(LWIPDIR)/core/sys.c \
-        $(LWIPDIR)/core/tcp.c $(LWIPDIR)/core/tcp_in.c \
-        $(LWIPDIR)/core/tcp_out.c $(LWIPDIR)/core/udp.c 
-CORE4FILES=$(LWIPDIR)/core/ipv4/icmp.c $(LWIPDIR)/core/ipv4/ip.c \
-	$(LWIPDIR)/core/inet.c $(LWIPDIR)/core/ipv4/ip_addr.c
-
-
-# APIFILES: The files which implement the sequential and socket APIs.
-APIFILES=$(LWIPDIR)/api/api_lib.c $(LWIPDIR)/api/api_msg.c $(LWIPDIR)/api/tcpip.c \
-	$(LWIPDIR)/api/err.c $(LWIPDIR)/api/sockets.c 
-
-# NETIFFILES: Files implementing various generic network interface functions.'
-NETIFFILES=$(LWIPDIR)/netif/loopif.c \
-	$(LWIPDIR)/netif/etharp.c
-
-# ARCHFILES: Archiecture specific files.
-ARCHFILES=$(wildcard $(LWIPDIR)/arch/$(LWIPARCH)/*.c $(LWIPDIR)/arch/$(LWIPARCH)/netif/*.c)
-
-# LWIPFILES: All the above.
-LWIPFILES=$(COREFILES) $(CORE4FILES) $(APIFILES) $(NETIFFILES) $(ARCHFILES)
-LWIPFILESW=$(wildcard $(LWIPFILES))
-LWIPOBJS=$(notdir $(LWIPFILESW:.c=.o))
-
-LWIPLIB=liblwip4$(LWIPARCH)lib.so
-
-%.o:
-	$(CC) $(CFLAGS) -c $(<:.o=.c)
-
-all: $(LWIPLIB) 
-.PHONY: all
-
-clean:
-	rm -f *.o $(LWIPLIB) *.s .depend* *.core core
-
-depend dep: .depend
-
-include .depend
-
-$(LWIPLIB): $(LWIPOBJS) unixlib.o
-	$(CC) -g -nostartfiles -shared -o $@ $^
-
-.depend: unixlib.c $(LWIPFILES)
-	$(CCDEP) $(CFLAGS) -MM $^ > .depend || rm -f .depend

proj/unixlib/README

@@ -1,31 +0,0 @@
-This directory contains an example of how to compile lwIP as a self
-initialising shared library on Linux.
-
-Some brief instructions:
- 
-* Compile the code:
-
- > make clean all
-
- This should produce liblwip4unixlib.so.  This is the shared library.
-
-* Link an application against the shared library
-
- If you're using gcc you can do this by including -llwip4unixlib in
-your link command. 
-
-* Run your application
- 
- Ensure that LD_LIBRARY_PATH includes the directory that contains
-liblwip4unixlib.so (ie. this directory)
-
-
-
-If you are unsure about shared libraries and libraries on linux in
-general, you might find this HOWTO useful:
-
-<http://www.tldp.org/HOWTO/Program-Library-HOWTO/>
-
-
-
-Kieran Mansley, October 2002.

proj/unixlib/lwipopts.h

@@ -1,172 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __LWIPOPTS_H__
-#define __LWIPOPTS_H__
-
-/* ---------- Memory options ---------- */
-/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
-   lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
-   byte alignment -> define MEM_ALIGNMENT to 2. */
-#define MEM_ALIGNMENT           1
-
-/* MEM_SIZE: the size of the heap memory. If the application will send
-a lot of data that needs to be copied, this should be set high. */
-#define MEM_SIZE                1600
-
-/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
-   sends a lot of data out of ROM (or other static memory), this
-   should be set high. */
-#define MEMP_NUM_PBUF           16
-/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
-   per active UDP "connection". */
-#define MEMP_NUM_UDP_PCB        4
-/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
-   connections. */
-#define MEMP_NUM_TCP_PCB        5
-/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
-   connections. */
-#define MEMP_NUM_TCP_PCB_LISTEN 8
-/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
-   segments. */
-#define MEMP_NUM_TCP_SEG        16
-/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
-   timeouts. */
-#define MEMP_NUM_SYS_TIMEOUT    3
-
-
-/* The following four are used only with the sequential API and can be
-   set to 0 if the application only will use the raw API. */
-/* MEMP_NUM_NETBUF: the number of struct netbufs. */
-#define MEMP_NUM_NETBUF         2
-/* MEMP_NUM_NETCONN: the number of struct netconns. */
-#define MEMP_NUM_NETCONN        4
-/* MEMP_NUM_APIMSG: the number of struct api_msg, used for
-   communication between the TCP/IP stack and the sequential
-   programs. */
-#define MEMP_NUM_API_MSG        8
-/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
-   for sequential API communication and incoming packets. Used in
-   src/api/tcpip.c. */
-#define MEMP_NUM_TCPIP_MSG      8
-
-/* These two control is reclaimer functions should be compiled
-   in. Should always be turned on (1). */
-#define MEM_RECLAIM             1
-#define MEMP_RECLAIM            1
-
-/* ---------- Pbuf options ---------- */
-/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
-#define PBUF_POOL_SIZE          6
-
-/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
-#define PBUF_POOL_BUFSIZE       128
-
-/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
-   link level header. */
-#define PBUF_LINK_HLEN          16
-
-/* ---------- TCP options ---------- */
-#define LWIP_TCP                1
-#define TCP_TTL                 255
-
-/* Controls if TCP should queue segments that arrive out of
-   order. Define to 0 if your device is low on memory. */
-#define TCP_QUEUE_OOSEQ         1
-
-/* TCP Maximum segment size. */
-#define TCP_MSS                 128
-
-/* TCP sender buffer space (bytes). */
-#define TCP_SND_BUF             256
-
-/* TCP sender buffer space (pbufs). This must be at least = 2 *
-   TCP_SND_BUF/TCP_MSS for things to work. */
-#define TCP_SND_QUEUELEN        4 * TCP_SND_BUF/TCP_MSS
-
-/* TCP receive window. */
-#define TCP_WND                 1024
-
-/* Maximum number of retransmissions of data segments. */
-#define TCP_MAXRTX              12
-
-/* Maximum number of retransmissions of SYN segments. */
-#define TCP_SYNMAXRTX           4
-
-/* ---------- ARP options ---------- */
-#define ARP_TABLE_SIZE 10
-#define ARP_QUEUEING 1
-
-/* ---------- IP options ---------- */
-/* Define IP_FORWARD to 1 if you wish to have the ability to forward
-   IP packets across network interfaces. If you are going to run lwIP
-   on a device with only one network interface, define this to 0. */
-#define IP_FORWARD              1
-
-/* If defined to 1, IP options are allowed (but not parsed). If
-   defined to 0, all packets with IP options are dropped. */
-#define IP_OPTIONS              1
-
-/* ---------- ICMP options ---------- */
-#define ICMP_TTL                255
-
-
-/* ---------- DHCP options ---------- */
-/* Define LWIP_DHCP to 1 if you want DHCP configuration of
-   interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
-   turning this on does currently not work. */
-#define LWIP_DHCP               0
-
-/* 1 if you want to do an ARP check on the offered address
-   (recommended). */
-#define DHCP_DOES_ARP_CHECK     1
-
-/* ---------- UDP options ---------- */
-#define LWIP_UDP                1
-#define UDP_TTL                 255
-
-
-/* ---------- Statistics options ---------- */
-#define STATS
-
-#ifdef STATS
-#define LINK_STATS
-#define IP_STATS
-#define ICMP_STATS
-#define UDP_STATS
-#define TCP_STATS
-#define MEM_STATS
-#define MEMP_STATS
-#define PBUF_STATS
-#define SYS_STATS
-#endif /* STATS */
-
-#endif /* __LWIPOPTS_H__ */

proj/unixlib/unixlib.c

@@ -1,91 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- * 
- * Author: Kieran Mansley <kjm25@cam.ac.uk>
- *
- * $Id: unixlib.c,v 1.2 2003/01/08 10:09:40 likewise Exp $
- */
-
-/*-----------------------------------------------------------------------------------*/
-/* unixlib.c
- *
- * The initialisation functions for a shared library
- *
- * You may need to configure this file to your own needs - it is only an example
- * of how lwIP can be used as a self initialising shared library.
- *
- * In particular, you should change the gateway, ipaddr, and netmask to be the values
- * you would like the stack to use.
- */
-/*-----------------------------------------------------------------------------------*/
-#include "lwip/sys.h"
-#include "lwip/mem.h"
-#include "lwip/memp.h"
-#include "lwip/pbuf.h"
-#include "lwip/tcp.h"
-#include "lwip/tcpip.h"
-#include "lwip/netif.h"
-#include "lwip/stats.h"
-
-#include "netif/tapif.h"
-
-static void
-tcpip_init_done(void *arg)
-{
-  sys_sem_t *sem;
-  sem = arg;
-  sys_sem_signal(*sem);
-}
-
-void _init(void){
-  struct ip_addr ipaddr, netmask, gateway;
-  sys_sem_t sem;
-
-  stats_init();
-  sys_init();
-  mem_init();
-  memp_init();
-  pbuf_init();
-  
-  sem = sys_sem_new(0);
-  tcpip_init(tcpip_init_done, &sem);
-  sys_sem_wait(sem);
-  sys_sem_free(sem);
-  
-  netif_init();
- /*
-    CHANGE THESE to suit your own network configuration:
-  */
-  IP4_ADDR(&gateway, 192,168,1,1);
-  IP4_ADDR(&ipaddr, 192,168,1,1);
-  IP4_ADDR(&netmask, 255,255,255,0);
-  
-  netif_set_default(netif_add(&ipaddr, &netmask, &gateway, tapif_init,
-			      tcpip_input));
-}
-
-void _fini(void){
-}

proj/unixsim/Makefile

@@ -1,107 +0,0 @@
-#
-# Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
-# All rights reserved. 
-# 
-# Redistribution and use in source and binary forms, with or without modification, 
-# are permitted provided that the following conditions are met:
-#
-# 1. Redistributions of source code must retain the above copyright notice,
-#    this list of conditions and the following disclaimer.
-# 2. Redistributions in binary form must reproduce the above copyright notice,
-#    this list of conditions and the following disclaimer in the documentation
-#    and/or other materials provided with the distribution.
-# 3. The name of the author may not be used to endorse or promote products
-#    derived from this software without specific prior written permission. 
-#
-# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
-# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
-# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
-# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
-# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
-# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
-# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
-# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
-# OF SUCH DAMAGE.
-#
-# This file is part of the lwIP TCP/IP stack.
-# 
-# Author: Adam Dunkels <adam@sics.se>
-#
-
-CCDEP=gcc
-CC=gcc
-CFLAGS=-g -Wall -DIPv4 -DLWIP_DEBUG -pedantic
-LDFLAGS=-lpcap
-LWIPARCH=unix
-ARFLAGS=rs
-LWIPDIR=../../src
-
-CFLAGS:=$(CFLAGS) \
-	-I$(LWIPDIR)/include -I$(LWIPDIR)/arch/$(LWIPARCH)/include -I$(LWIPDIR)/include/ipv4 \
-	-Iapps -I.
-
-# COREFILES, CORE4FILES: The minimum set of files needed for lwIP.
-COREFILES=$(LWIPDIR)/core/mem.c $(LWIPDIR)/core/memp.c $(LWIPDIR)/core/netif.c \
-	$(LWIPDIR)/core/pbuf.c $(LWIPDIR)/core/stats.c $(LWIPDIR)/core/sys.c \
-        $(LWIPDIR)/core/tcp.c $(LWIPDIR)/core/tcp_in.c \
-        $(LWIPDIR)/core/tcp_out.c $(LWIPDIR)/core/udp.c 
-CORE4FILES=$(wildcard $(LWIPDIR)/core/ipv4/*.c) $(LWIPDIR)/core/inet.c
-
-
-# APIFILES: The files which implement the sequential and socket APIs.
-APIFILES=$(LWIPDIR)/api/api_lib.c $(LWIPDIR)/api/api_msg.c $(LWIPDIR)/api/tcpip.c \
-	$(LWIPDIR)/api/err.c $(LWIPDIR)/api/sockets.c 
-
-# NETIFFILES: Files implementing various generic network interface functions.'
-NETIFFILES=$(LWIPDIR)/netif/loopif.c \
-	$(LWIPDIR)/netif/etharp.c $(LWIPDIR)/netif/slipif.c 
-
-# ARCHFILES: Archiecture specific files.
-ARCHFILES=$(wildcard $(LWIPDIR)/arch/$(LWIPARCH)/*.c $(LWIPDIR)/arch/$(LWIPARCH)/netif/*.c)
-
-# APPFILES: Applications.
-APPFILES=apps/fs.c apps/httpd.c \
-	apps/udpecho.c apps/tcpecho.c \
-	apps/shell.c 
-
-# LWIPFILES: All the above.
-LWIPFILES=$(COREFILES) $(CORE4FILES) $(APIFILES) $(NETIFFILES) $(ARCHFILES)
-LWIPFILESW=$(wildcard $(LWIPFILES))
-LWIPOBJS=$(notdir $(LWIPFILESW:.c=.o))
-
-LWIPLIB=liblwip4.a
-APPLIB=liblwipapps.a
-APPOBJS=$(notdir $(APPFILES:.c=.o))
-
-%.o:
-	$(CC) $(CFLAGS) -c $(<:.o=.c)
-
-all ipv4 compile: simhost 
-.PHONY: all
-
-clean:
-	rm -f *.o $(LWIPLIB) $(APPLIB) simhost simnode simrouter *.s .depend* *.core core
-
-depend dep: .depend
-
-include .depend
-
-$(APPLIB): $(APPOBJS)
-	$(AR) $(ARFLAGS) $(APPLIB) $?
-
-$(LWIPLIB): $(LWIPOBJS)
-	$(AR) $(ARFLAGS) $(LWIPLIB) $?
-
-.depend: simhost.c simnode.c simrouter.c $(LWIPFILES) $(APPFILES)
-	$(CCDEP) $(CFLAGS) -MM $^ > .depend || rm -f .depend
-
-simhost: .depend $(LWIPLIB) $(APPLIB) simhost.o $(APPFILES)
-	$(CC) $(CFLAGS) $(LDFLAGS) -pthread -o simhost simhost.o $(APPLIB) $(LWIPLIB)
-
-simrouter: .depend $(LWIPLIB) $(APPLIB) simrouter.o
-	$(CC) $(CFLAGS) $(LDFLAGS) -pthread -o simrouter simrouter.o $(APPLIB) $(LWIPLIB) 
-
-simnode: .depend $(LWIPLIB) $(APPLIB) simnode.o 
-	$(CC) $(CFLAGS) $(LDFLAGS) -pthread -o simnode simnode.o $(APPLIB) $(LWIPLIB)
-

proj/unixsim/README

@@ -1,47 +0,0 @@
-This directory contains an example of how a project using lwIP might
-look. It is also the development platform of lwIP, since it can be run
-as a user process under FreeBSD or Linux. There are also a number of
-example applications (including a simple web server) in the apps/
-directory.
-
-Some short instructions on how to build and run lwIP on a FreeBSD or
-Linux host. For FreeBSD, the tap interface must be enabled in the
-kernel configuration and the kernel must be recompiled. The tap
-interface is enabled by adding the line "pseudo-device tap" in the
-kernel configuration. See Chapter 9 in the FreeBSD handbook for
-instructions on how to build a custom FreeBSD kernel.
-
-* Compile the code. This must be done by using GNU Make. Under
-  FreeBSD, GNU Make can be found in the ports collection under
-  /usr/ports/devel/gmake (type "make install distclean" to
-  install). Under Linux, GNU Make is the default "make".
-
-  > gmake         (FreeBSD)
-
-  > make          (Linux)
-
-* The compilation process produces the executable file "simhost". To
-  run this, you have to be root.
-
-  > su            (Type password for the root account)
-  # ./simhost
-
-* The lwIP TCP/IP stack is now running with IP address
-  192.168.0.2. Some things that you can try:
-
-  To see the packets that are going to and from the lwIP stack, run
-  tcpdump:
-
-  # tcpdump -l -n -i tap0
-
-  You can ping lwIP:
-
-  > ping 192.168.0.2
-
-  For a telnet shell, run:
-
-  > telnet 192.168.0.2
-  
-  Finally, "simhost" also includes a simple web server; the URL is
-  of course http://192.168.0.2/.
-

proj/unixsim/apps/fs.c

@@ -1,57 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#include "lwip/def.h"
-#include "fs.h"
-#include "fsdata.h"
-#include "fsdata.c"
-
-/*-----------------------------------------------------------------------------------*/
-
-
-/*-----------------------------------------------------------------------------------*/
-int
-fs_open(char *name, struct fs_file *file)
-{
-  struct fsdata_file_noconst *f;
-
-  for(f = (struct fsdata_file_noconst *)FS_ROOT;
-      f != NULL;
-      f = (struct fsdata_file_noconst *)f->next) {
-    if(!strcmp(name, (char *)f->name)) {
-      file->data = (char *)f->data;
-      file->len = f->len;
-      return 1;
-    }
-  }
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/

proj/unixsim/apps/fs.h

@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __FS_H__
-#define __FS_H__
-
-struct fs_file {
-  char *data;
-  int len;
-};
-
-/* file must be allocated by caller and will be filled in
-   by the function. */
-int fs_open(char *name, struct fs_file *file);
-
-#endif /* __FS_H__ */

proj/unixsim/apps/fs/404.html

@@ -1,21 +0,0 @@
-<html>
-<head><title>lwIP - A Lightweight TCP/IP Stack</title></head>
-<body bgcolor="white" text="black">
-
-    <table width="100%">
-      <tr valign="top"><td width="80">	  
-	  <a href="http://www.sics.se/"><img src="img/sics.gif"
-	  border="0" alt="SICS logo" title="SICS logo"></a>
-	</td><td width="500">	  
-	  <h1>lwIP - A Lightweight TCP/IP Stack</h1>
-	  <h2>404 - Page not found</h2>
-	  <p>
-	    Sorry, the page you are requesting was not found on this
-	    server. 
-	  </p>
-	</td><td>
-	  &nbsp;
-	</td></tr>
-      </table>
-</body>
-</html>

proj/unixsim/apps/fs/index.html

@@ -1,44 +0,0 @@
-<html>
-<head><title>lwIP - A Lightweight TCP/IP Stack</title></head>
-<body bgcolor="white" text="black">
-
-    <table width="100%">
-      <tr valign="top"><td width="80">	  
-	  <a href="http://www.sics.se/"><img src="img/sics.gif"
-	  border="0" alt="SICS logo" title="SICS logo"></a>
-	</td><td width="500">	  
-	  <h1>lwIP - A Lightweight TCP/IP Stack</h1>
-	  <p>
-	    The web page you are watching was served by a simple web
-	    server running on top of the lightweight TCP/IP stack <a
-	    href="http://www.sics.se/~adam/lwip/">lwIP</a>.
-	  </p>
-	  <p>
-	    lwIP is an open source implementation of the TCP/IP
-	    protocol suite that was originally written by Adam Dunkels
-	    of the Swedish Institute of Computer Science but now is
-	    being actively developed by a team of developers
-	    distributed world-wide. Since it's release, lwIP has
-	    spurred a lot of interest and has been ported to several
-	    platforms and operating systems. lwIP can be used either
-	    with or without an underlying OS.
-	  </p>
-	  <p>
-	    The focus of the lwIP TCP/IP implementation is to reduce
-	    the RAM usage while still having a full scale TCP. This
-	    makes lwIP suitable for use in embedded systems with tens
-	    of kilobytes of free RAM and room for around 40 kilobytes
-	    of code ROM.
-	  </p>
-	  <p>
-	    More information about lwIP can be found at the lwIP
-	    homepage at <a
-	    href="http://www.sics.se/~adam/lwip/">http://www.sics.se/~adam/lwip/</a>.
-	  </p>
-	</td><td>
-	  &nbsp;
-	</td></tr>
-      </table>
-</body>
-</html>
-

proj/unixsim/apps/fsdata.c

@@ -1,334 +0,0 @@
-static const unsigned char data_img_sics_gif[] = {
-	/* /img/sics.gif */
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-	00, 00, 0x3b, };
-
-static const unsigned char data_404_html[] = {
-	/* /404.html */
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-const struct fsdata_file file_img_sics_gif[] = {{NULL, data_img_sics_gif, data_img_sics_gif + 14, sizeof(data_img_sics_gif) - 14}};
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-const struct fsdata_file file_404_html[] = {{file_img_sics_gif, data_404_html, data_404_html + 10, sizeof(data_404_html) - 10}};
-
-const struct fsdata_file file_index_html[] = {{file_404_html, data_index_html, data_index_html + 12, sizeof(data_index_html) - 12}};
-
-#define FS_ROOT file_index_html
-
-#define FS_NUMFILES 3

proj/unixsim/apps/fsdata.h

@@ -1,49 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __FSDATA_H__
-#define __FSDATA_H__
-
-struct fsdata_file {
-  const struct fsdata_file *next;
-  const unsigned char *name;
-  const unsigned char *data;
-  const int len;
-};
-
-struct fsdata_file_noconst {
-  struct fsdata_file *next;
-  unsigned char *name;
-  unsigned char *data;
-  int len;
-};
-
-#endif /* __FSDATA_H__ */

proj/unixsim/apps/httpd.c

@@ -1,244 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "lwip/debug.h"
-
-#include "lwip/stats.h"
-
-#include "httpd.h"
-
-#include "lwip/tcp.h"
-
-#include "fs.h"
-
-struct http_state {
-  char *file;
-  u32_t left;
-  u8_t retries;
-};
-
-/*-----------------------------------------------------------------------------------*/
-static void
-conn_err(void *arg, err_t err)
-{
-  struct http_state *hs;
-
-  hs = arg;
-  mem_free(hs);
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-close_conn(struct tcp_pcb *pcb, struct http_state *hs)
-{
-  tcp_arg(pcb, NULL);
-  tcp_sent(pcb, NULL);
-  tcp_recv(pcb, NULL);
-  mem_free(hs);
-  tcp_close(pcb);
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-send_data(struct tcp_pcb *pcb, struct http_state *hs)
-{
-  err_t err;
-  u16_t len;
-
-  /* We cannot send more data than space avaliable in the send
-     buffer. */     
-  if(tcp_sndbuf(pcb) < hs->left) {
-    len = tcp_sndbuf(pcb);
-  } else {
-    len = hs->left;
-  }
-
-  do {
-    err = tcp_write(pcb, hs->file, len, 0);
-    if(err == ERR_MEM) {
-      len /= 2;
-    }
-  } while(err == ERR_MEM && len > 1);  
-  
-  if(err == ERR_OK) {
-    hs->file += len;
-    hs->left -= len;
-    /*  } else {
-	printf("send_data: error %s len %d %d\n", lwip_strerr(err), len, tcp_sndbuf(pcb));*/
-  }
-}
-/*-----------------------------------------------------------------------------------*/
-static err_t
-http_poll(void *arg, struct tcp_pcb *pcb)
-{
-  struct http_state *hs;
-
-  hs = arg;
-  
-  /*  printf("Polll\n");*/
-  if(hs == NULL) {
-    /*    printf("Null, close\n");*/
-    tcp_abort(pcb);
-    return ERR_ABRT;
-  } else {
-    ++hs->retries;
-    if(hs->retries == 4) {
-      tcp_abort(pcb);
-      return ERR_ABRT;
-    }
-    send_data(pcb, hs);
-  }
-
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-static err_t
-http_sent(void *arg, struct tcp_pcb *pcb, u16_t len)
-{
-  struct http_state *hs;
-
-  hs = arg;
-
-  hs->retries = 0;
-  
-  if(hs->left > 0) {    
-    send_data(pcb, hs);
-  } else {
-    close_conn(pcb, hs);
-  }
-
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-static err_t
-http_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
-{
-  int i;
-  char *data;
-  struct fs_file file;
-  struct http_state *hs;
-
-  hs = arg;
-
-  if(err == ERR_OK && p != NULL) {
-
-    /* Inform TCP that we have taken the data. */
-    tcp_recved(pcb, p->tot_len);
-    
-    if(hs->file == NULL) {
-      data = p->payload;
-      
-      if(strncmp(data, "GET ", 4) == 0) {
-	for(i = 0; i < 40; i++) {
-	  if(((char *)data + 4)[i] == ' ' ||
-	     ((char *)data + 4)[i] == '\r' ||
-	     ((char *)data + 4)[i] == '\n') {
-	    ((char *)data + 4)[i] = 0;
-	  }
-	}
-
-	if(*(char *)(data + 4) == '/' &&
-	   *(char *)(data + 5) == 0) {
-	  fs_open("/index.html", &file);
-	} else if(!fs_open((char *)data + 4, &file)) {
-	  fs_open("/404.html", &file);	 
-	}
-	hs->file = file.data;
-	hs->left = file.len;
-	/*	printf("data %p len %ld\n", hs->file, hs->left);*/
-
-	pbuf_free(p);
-	send_data(pcb, hs);
-
-	/* Tell TCP that we wish be to informed of data that has been
-	   successfully sent by a call to the http_sent() function. */
-	tcp_sent(pcb, http_sent);
-      } else {
-	pbuf_free(p);
-	close_conn(pcb, hs);
-      }
-    } else {
-      pbuf_free(p);
-    }
-  }
-
-  if(err == ERR_OK && p == NULL) {
-    close_conn(pcb, hs);
-  }
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-static err_t
-http_accept(void *arg, struct tcp_pcb *pcb, err_t err)
-{
-  struct http_state *hs;
-
-  tcp_setprio(pcb, TCP_PRIO_MIN);
-  
-  /* Allocate memory for the structure that holds the state of the
-     connection. */
-  hs = mem_malloc(sizeof(struct http_state));
-
-  if(hs == NULL) {
-    printf("http_accept: Out of memory\n");
-    return ERR_MEM;
-  }
-  
-  /* Initialize the structure. */
-  hs->file = NULL;
-  hs->left = 0;
-  hs->retries = 0;
-  
-  /* Tell TCP that this is the structure we wish to be passed for our
-     callbacks. */
-  tcp_arg(pcb, hs);
-
-  /* Tell TCP that we wish to be informed of incoming data by a call
-     to the http_recv() function. */
-  tcp_recv(pcb, http_recv);
-
-  tcp_err(pcb, conn_err);
-  
-  tcp_poll(pcb, http_poll, 4);
-  return ERR_OK;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-httpd_init(void)
-{
-  struct tcp_pcb *pcb;
-
-  pcb = tcp_new();
-  tcp_bind(pcb, IP_ADDR_ANY, 80);
-  pcb = tcp_listen(pcb);
-  tcp_accept(pcb, http_accept);
-}
-/*-----------------------------------------------------------------------------------*/
-

proj/unixsim/apps/httpd.h

@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __HTTPD_H__
-#define __HTTPD_H__
-
-void httpd_init(void);
-
-#endif /* __HTTPD_H__ */

proj/unixsim/apps/makefsdata

@@ -1,97 +0,0 @@
-#!/usr/bin/perl
-
-open(OUTPUT, "> fsdata.c");
-
-chdir("fs");
-open(FILES, "find . -type f |");
-
-while($file = <FILES>) {
-
-    # Do not include files in CVS directories nor backup files.
-    if($file =~ /(CVS|~)/) {
-    	next;
-    }
-    
-    chop($file);
-    
-    open(HEADER, "> /tmp/header") || die $!;
-    if($file =~ /404/) {
-	print(HEADER "HTTP/1.0 404 File not found\r\n");
-    } else {
-	print(HEADER "HTTP/1.0 200 OK\r\n");
-    }
-    print(HEADER "Server: lwIP/pre-0.6 (http://www.sics.se/~adam/lwip/)\r\n");
-    if($file =~ /\.html$/) {
-	print(HEADER "Content-type: text/html\r\n");
-    } elsif($file =~ /\.gif$/) {
-	print(HEADER "Content-type: image/gif\r\n");
-    } elsif($file =~ /\.png$/) {
-	print(HEADER "Content-type: image/png\r\n");
-    } elsif($file =~ /\.jpg$/) {
-	print(HEADER "Content-type: image/jpeg\r\n");
-    } elsif($file =~ /\.class$/) {
-	print(HEADER "Content-type: application/octet-stream\r\n");
-    } elsif($file =~ /\.ram$/) {
-	print(HEADER "Content-type: audio/x-pn-realaudio\r\n");    
-    } else {
-	print(HEADER "Content-type: text/plain\r\n");
-    }
-    print(HEADER "\r\n");
-    close(HEADER);
-
-    unless($file =~ /\.plain$/ || $file =~ /cgi/) {
-	system("cat /tmp/header $file > /tmp/file");
-    } else {
-	system("cp $file /tmp/file");
-    }
-    
-    open(FILE, "/tmp/file");
-    unlink("/tmp/file");
-    unlink("/tmp/header");
-
-    $file =~ s/\.//;
-    $fvar = $file;
-    $fvar =~ s-/-_-g;
-    $fvar =~ s-\.-_-g;
-    print(OUTPUT "static const unsigned char data".$fvar."[] = {\n");
-    print(OUTPUT "\t/* $file */\n\t");
-    for($j = 0; $j < length($file); $j++) {
-	printf(OUTPUT "%#02x, ", unpack("C", substr($file, $j, 1)));
-    }
-    printf(OUTPUT "0,\n");
-    
-    
-    $i = 0;
-    while(read(FILE, $data, 1)) {
-        if($i == 0) {
-            print(OUTPUT "\t");
-        }
-        printf(OUTPUT "%#02x, ", unpack("C", $data));
-        $i++;
-        if($i == 10) {
-            print(OUTPUT "\n");
-            $i = 0;
-        }
-    }
-    print(OUTPUT "};\n\n");
-    close(FILE);
-    push(@fvars, $fvar);
-    push(@files, $file);
-}
-
-for($i = 0; $i < @fvars; $i++) {
-    $file = $files[$i];
-    $fvar = $fvars[$i];
-
-    if($i == 0) {
-        $prevfile = "NULL";
-    } else {
-        $prevfile = "file" . $fvars[$i - 1];
-    }
-    print(OUTPUT "const struct fsdata_file file".$fvar."[] = {{$prevfile, data$fvar, ");
-    print(OUTPUT "data$fvar + ". (length($file) + 1) .", ");
-    print(OUTPUT "sizeof(data$fvar) - ". (length($file) + 1) ."}};\n\n");
-}
-
-print(OUTPUT "#define FS_ROOT file$fvars[$i - 1]\n\n");
-print(OUTPUT "#define FS_NUMFILES $i\n");

proj/unixsim/apps/shell.h

@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __SHELL_H__
-#define __SHELL_H__
-
-void shell_init(void);
-
-#endif /* __SHELL_H__ */

proj/unixsim/apps/tcpecho.c

@@ -1,88 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "lwip/sys.h"
-#include "lwip/api.h"
-/*-----------------------------------------------------------------------------------*/
-static void 
-tcpecho_thread(void *arg)
-{
-  struct netconn *conn, *newconn;
-  err_t err;
-
-  /* Create a new connection identifier. */
-  conn = netconn_new(NETCONN_TCP);
-
-  /* Bind connection to well known port number 7. */
-  netconn_bind(conn, NULL, 7);
-
-  /* Tell connection to go into listening mode. */
-  netconn_listen(conn);
-
-  while(1) {
-
-    /* Grab new connection. */
-    newconn = netconn_accept(conn);
-    /*printf("accepted new connection %p\n", newconn);*/
-    /* Process the new connection. */
-    if(newconn != NULL) {
-      struct netbuf *buf;
-      void *data;
-      u16_t len;
-      
-      while((buf = netconn_recv(newconn)) != NULL) {
-	/*printf("Recved\n");*/
-	do {
-	  netbuf_data(buf, &data, &len);
-	  err = netconn_write(newconn, data, len, NETCONN_COPY);
-	  if(err != ERR_OK) {
-	    /*	    printf("tcpecho: netconn_write: error \"%s\"\n", lwip_strerr(err));*/
-	  }
-	} while(netbuf_next(buf) >= 0);
-	netbuf_delete(buf);	
-      }
-      /*printf("Got EOF, looping\n");*/
-      /* Close connection and discard connection identifier. */
-      netconn_delete(newconn);
-    }
-  }
-}
-/*-----------------------------------------------------------------------------------*/
-void
-tcpecho_init(void)
-{
-  sys_thread_new(tcpecho_thread, NULL);  
-}
-/*-----------------------------------------------------------------------------------*/
-
-
-

proj/unixsim/apps/tcpecho.h

@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#ifndef __TCPECHO_H__
-#define __TCPECHO_H__
-
-void tcpecho_init(void);
-
-#endif /* __TCPECHO_H__ */

proj/unixsim/apps/udpecho.c

@@ -1,65 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "lwip/api.h"
-#include "lwip/sys.h"
-
-/*-----------------------------------------------------------------------------------*/
-void 
-udpecho_thread(void *arg)
-{
-  static struct netconn *conn;
-  static struct netbuf *buf;
-  static struct ip_addr *addr;
-  static unsigned short port;
-  char buffer[4096];
-  
-  conn = netconn_new(NETCONN_UDP);
-  netconn_bind(conn, NULL, 7);
-
-  while(1) {
-    buf = netconn_recv(conn);
-    addr = netbuf_fromaddr(buf);
-    port = netbuf_fromport(buf);
-    netconn_connect(conn, addr, port);
-    netconn_send(conn, buf);
-    netbuf_copy(buf, buffer, sizeof(buffer));
-    printf("got %s\n", buffer);
-    netbuf_delete(buf);
-  }
-}
-/*-----------------------------------------------------------------------------------*/
-void
-udpecho_init(void)
-{
-  sys_thread_new(udpecho_thread, NULL);
-}

proj/unixsim/apps/udpecho.h

@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __UDPECHO_H__
-#define __UDPECHO_H__
-
-void udpecho_init(void);
-
-#endif /* __UDPECHO_H__ */

proj/unixsim/lwipopts.h

@@ -1,175 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __LWIPOPTS_H__
-#define __LWIPOPTS_H__
-/* ---------- Memory options ---------- */
-/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
-   lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
-   byte alignment -> define MEM_ALIGNMENT to 2. */
-#define MEM_ALIGNMENT           1
-
-/* MEM_SIZE: the size of the heap memory. If the application will send
-a lot of data that needs to be copied, this should be set high. */
-#define MEM_SIZE                1600
-
-/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
-   sends a lot of data out of ROM (or other static memory), this
-   should be set high. */
-#define MEMP_NUM_PBUF           16
-/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
-   per active UDP "connection". */
-#define MEMP_NUM_UDP_PCB        4
-/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
-   connections. */
-#define MEMP_NUM_TCP_PCB        5
-/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
-   connections. */
-#define MEMP_NUM_TCP_PCB_LISTEN 8
-/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
-   segments. */
-#define MEMP_NUM_TCP_SEG        16
-/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
-   timeouts. */
-#define MEMP_NUM_SYS_TIMEOUT    3
-
-/* The following four are used only with the sequential API and can be
-   set to 0 if the application only will use the raw API. */
-/* MEMP_NUM_NETBUF: the number of struct netbufs. */
-#define MEMP_NUM_NETBUF         2
-/* MEMP_NUM_NETCONN: the number of struct netconns. */
-#define MEMP_NUM_NETCONN        4
-/* MEMP_NUM_APIMSG: the number of struct api_msg, used for
-   communication between the TCP/IP stack and the sequential
-   programs. */
-#define MEMP_NUM_API_MSG        8
-/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
-   for sequential API communication and incoming packets. Used in
-   src/api/tcpip.c. */
-#define MEMP_NUM_TCPIP_MSG      8
-
-/* These two control is reclaimer functions should be compiled
-   in. Should always be turned on (1). */
-#define MEM_RECLAIM             1
-#define MEMP_RECLAIM            1
-
-/* ---------- Pbuf options ---------- */
-/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
-#define PBUF_POOL_SIZE          100
-
-/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
-#define PBUF_POOL_BUFSIZE       128
-
-/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
-   link level header. */
-#define PBUF_LINK_HLEN          16
-
-/* ---------- TCP options ---------- */
-#define LWIP_TCP                1
-#define TCP_TTL                 255
-
-/* Controls if TCP should queue segments that arrive out of
-   order. Define to 0 if your device is low on memory. */
-#define TCP_QUEUE_OOSEQ         1
-
-/* TCP Maximum segment size. */
-#define TCP_MSS                 128
-
-/* TCP sender buffer space (bytes). */
-#define TCP_SND_BUF             256
-
-/* TCP sender buffer space (pbufs). This must be at least = 2 *
-   TCP_SND_BUF/TCP_MSS for things to work. */
-#define TCP_SND_QUEUELEN        4 * TCP_SND_BUF/TCP_MSS
-
-/* TCP receive window. */
-#define TCP_WND                 1024
-
-/* Maximum number of retransmissions of data segments. */
-#define TCP_MAXRTX              12
-
-/* Maximum number of retransmissions of SYN segments. */
-#define TCP_SYNMAXRTX           4
-
-/* ---------- ARP options ---------- */
-#define ARP_TABLE_SIZE 10
-#define ARP_QUEUEING 1
-
-
-/* ---------- IP options ---------- */
-/* Define IP_FORWARD to 1 if you wish to have the ability to forward
-   IP packets across network interfaces. If you are going to run lwIP
-   on a device with only one network interface, define this to 0. */
-#define IP_FORWARD              1
-
-/* If defined to 1, IP options are allowed (but not parsed). If
-   defined to 0, all packets with IP options are dropped. */
-#define IP_OPTIONS              1
-
-/* IP reassembly and segmentation.These are orthogonal even
- * if they both deal with IP fragments */
-#define IP_REASSEMBLY     1
-#define IP_FRAG           1
-
-/* ---------- ICMP options ---------- */
-#define ICMP_TTL                255
-
-/* ---------- DHCP options ---------- */
-/* Define LWIP_DHCP to 1 if you want DHCP configuration of
-   interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
-   turning this on does currently not work. */
-#define LWIP_DHCP               0
-
-/* 1 if you want to do an ARP check on the offered address
-   (recommended). */
-#define DHCP_DOES_ARP_CHECK     1
-
-/* ---------- UDP options ---------- */
-#define LWIP_UDP                1
-#define UDP_TTL                 255
-
-
-/* ---------- Statistics options ---------- */
-#define STATS
-
-#ifdef STATS
-#define LINK_STATS
-#define IP_STATS
-#define ICMP_STATS
-#define UDP_STATS
-#define TCP_STATS
-#define MEM_STATS
-#define MEMP_STATS
-#define PBUF_STATS
-#define SYS_STATS
-#endif /* STATS */
-
-#endif /* __LWIPOPTS_H__ */

proj/unixsim/simhost.c

@@ -1,189 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "lwip/debug.h"
-
-#include <unistd.h>
-
-#include "lwip/opt.h"
-
-#include "lwip/mem.h"
-#include "lwip/memp.h"
-#include "lwip/sys.h"
-
-#include "lwip/stats.h"
-
-
-#include "lwip/tcpip.h"
-
-#include "netif/tapif.h"
-#include "netif/tunif.h"
-
-#include "netif/unixif.h"
-#include "netif/dropif.h"
-#include "netif/pcapif.h"
-#include "netif/loopif.h"
-
-#include "netif/tcpdump.h"
-
-
-
-
-#include "lwip/ip_addr.h"
-
-#include "arch/perf.h"
-
-#include "httpd.h"
-#include "udpecho.h"
-#include "tcpecho.h"
-#include "shell.h"
-
-/*-----------------------------------------------------------------------------------*/
-static void
-tcp_timeout(void *data)
-{
-#if TCP_DEBUG
-  tcp_debug_print_pcbs();
-#endif /* TCP_DEBUG */
-  sys_timeout(5000, tcp_timeout, NULL);
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-tcpip_init_done(void *arg)
-{
-  sys_sem_t *sem;
-  sem = arg;
-  sys_sem_signal(*sem);
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-main_thread(void *arg)
-{
-  struct ip_addr ipaddr, netmask, gw;
-  sys_sem_t sem;
-
-  netif_init();
-
-  sem = sys_sem_new(0);
-  tcpip_init(tcpip_init_done, &sem);
-  sys_sem_wait(sem);
-  sys_sem_free(sem);
-  printf("TCP/IP initialized.\n");
-  
-#if LWIP_DHCP
-  {
-    struct netif *netif;
-    IP4_ADDR(&gw, 0,0,0,0);
-    IP4_ADDR(&ipaddr, 0,0,0,0);
-    IP4_ADDR(&netmask, 0,0,0,0);
-
-    netif = netif_add(&ipaddr, &netmask, &gw, tapif_init,
-		      tcpip_input);
-    netif_set_default(netif);
-    dhcp_init();
-    dhcp_start(netif);
-  }
-#else
-  IP4_ADDR(&gw, 192,168,0,1);
-  IP4_ADDR(&ipaddr, 192,168,0,2);
-  IP4_ADDR(&netmask, 255,255,255,0);
-  
-  /*  netif_set_default(netif_add(&ipaddr, &netmask, &gw, tapif_init,
-      tcpip_input));*/
-  netif_set_default(netif_add(&ipaddr, &netmask, &gw, tapif_init,
-			      tcpip_input));
-#endif
-  /* Only used for testing purposes: */
-  /*  IP4_ADDR(&gw, 193,10,66,1);
-  IP4_ADDR(&ipaddr, 193,10,66,107);
-  IP4_ADDR(&netmask, 255,255,252,0);
-  
-  netif_add(&ipaddr, &netmask, &gw, pcapif_init,
-  tcpip_input);*/
-  
-  IP4_ADDR(&gw, 127,0,0,1);
-  IP4_ADDR(&ipaddr, 127,0,0,1);
-  IP4_ADDR(&netmask, 255,0,0,0);
-  
-  netif_add(&ipaddr, &netmask, &gw, loopif_init,
-	    tcpip_input);
-   
-  tcpecho_init();
-  shell_init();
-  httpd_init();
-  udpecho_init();
-  
-  printf("Applications started.\n");
-
-  /*  sys_timeout(5000, tcp_timeout, NULL);*/
-
-#ifdef MEM_PERF
-  mem_perf_init("/tmp/memstats.client");
-#endif /* MEM_PERF */
-
-  /* Block for ever. */
-  sem = sys_sem_new(0);
-  sys_sem_wait(sem);
-}
-/*-----------------------------------------------------------------------------------*/
-int
-main(int argc, char **argv)
-{
-#ifdef PERF
-  perf_init("/tmp/simhost.perf");
-#endif /* PERF */
-#ifdef STATS
-  stats_init();
-#endif /* STATS */
-  sys_init();
-  mem_init();
-  memp_init();
-  pbuf_init();
-
-  tcpdump_init();
-
-  
-  printf("System initialized.\n");
-    
-  sys_thread_new((void *)(main_thread), NULL);
-  pause();
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-
-
-
-
-
-
-
-

proj/unixsim/simnode.c

@@ -1,154 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "lwip/debug.h"
-
-#include <unistd.h>
-
-
-#include "lwip/mem.h"
-#include "lwip/memp.h"
-#include "lwip/sys.h"
-
-#include "lwip/stats.h"
-
-
-#include "lwip/tcpip.h"
-
-
-#include "netif/unixif.h"
-#include "netif/dropif.h"
-
-#include "netif/loopif.h"
-
-#include "netif/tcpdump.h"
-
-#include "lwip/ip_addr.h"
-
-#include "arch/perf.h"
-
-#include "httpd.h"
-#include "udpecho.h"
-#include "tcpecho.h"
-#include "shell.h"
-
-/*-----------------------------------------------------------------------------------*/
-static void
-tcp_timeout(void *data)
-{
-#if TCP_DEBUG
-  tcp_debug_print_pcbs();
-#endif /* TCP_DEBUG */
-  sys_timeout(5000, tcp_timeout, NULL);
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-tcpip_init_done(void *arg)
-{
-  sys_sem_t *sem;
-  sem = arg;
-  sys_sem_signal(*sem);
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-main_thread(void *arg)
-{
-  struct ip_addr ipaddr, netmask, gw;
-  sys_sem_t sem;
-
-    
-  IP4_ADDR(&gw, 192,168,1,1);
-  IP4_ADDR(&ipaddr, 192,168,1,2);
-  IP4_ADDR(&netmask, 255,255,255,0);
-
-  netif_set_default(netif_add(&ipaddr, &netmask, &gw, unixif_init_client,
-			      tcpip_input));
-  /*  netif_set_default(netif_add(&ipaddr, &netmask, &gw, sioslipif_init1,
-			      tcpip_input)); */
-
-  
-  sem = sys_sem_new(0);
-  tcpip_init(tcpip_init_done, &sem);
-  sys_sem_wait(sem);
-  sys_sem_free(sem);
-  printf("TCP/IP initialized.\n");
-
-  tcpecho_init();
-  shell_init();
-  httpd_init();
-  udpecho_init();
-
-  printf("Applications started.\n");
-    
-  sys_timeout(5000, tcp_timeout, NULL);
-
-#ifdef MEM_PERF
-  mem_perf_init("/tmp/memstats.client");
-#endif /* MEM_PERF */
-
-  sem = sys_sem_new(0);
-  sys_sem_wait(sem);
-
-}
-/*-----------------------------------------------------------------------------------*/
-int
-main(int argc, char **argv)
-{
-#ifdef PERF
-  perf_init("/tmp/client.perf");
-#endif /* PERF */
-#ifdef STATS
-  stats_init();
-#endif /* STATS */
-  sys_init();
-  mem_init();
-  memp_init();
-  pbuf_init();
-
-  tcpdump_init();
-
-  
-  printf("System initialized.\n");
-    
-  sys_thread_new((void *)(main_thread), NULL);
-  pause();
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-
-
-
-
-
-
-
-

proj/unixsim/simrouter.c

@@ -1,165 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "lwip/debug.h"
-
-#include <unistd.h>
-
-
-#include "lwip/mem.h"
-#include "lwip/memp.h"
-#include "lwip/sys.h"
-
-#include "lwip/stats.h"
-
-
-#include "lwip/tcpip.h"
-
-#include "netif/tapif.h"
-
-#include "netif/unixif.h"
-#include "netif/dropif.h"
-
-#include "netif/loopif.h"
-
-#include "netif/tcpdump.h"
-
-
-#include "lwip/ip_addr.h"
-
-#include "arch/perf.h"
-
-#include "httpd.h"
-#include "udpecho.h"
-#include "tcpecho.h"
-#include "shell.h"
-
-/*-----------------------------------------------------------------------------------*/
-static void
-tcp_timeout(void *data)
-{
-#if TCP_DEBUG
-  tcp_debug_print_pcbs();
-#endif /* TCP_DEBUG */
-  sys_timeout(5000, tcp_timeout, NULL);
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-tcpip_init_done(void *arg)
-{
-  sys_sem_t *sem;
-  sem = arg;
-  sys_sem_signal(*sem);
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-main_thread(void *arg)
-{
-  struct ip_addr ipaddr, netmask, gw;
-  sys_sem_t sem;
-
-    
-  IP4_ADDR(&gw, 192,168,0,1);
-  IP4_ADDR(&ipaddr, 192,168,0,2);
-  IP4_ADDR(&netmask, 255,255,255,0);
-
-  netif_set_default(netif_add(&ipaddr, &netmask, &gw, tapif_init,
-			      tcpip_input));
-
-  IP4_ADDR(&gw, 192,168,1,1);
-  IP4_ADDR(&ipaddr, 192,168,1,1);
-  IP4_ADDR(&netmask, 255,255,255,0);
-  netif_set_default(netif_add(&ipaddr, &netmask, &gw, unixif_init_server,
-			      tcpip_input));
-
-  system("route add 192.168.1.1 192.168.0.2");
-  system("route add 192.168.1.2 192.168.0.2");
-
-  
-  /*netif_set_default(netif_add(&ipaddr, &netmask, &gw, sioslipif_init1,
-			      tcpip_input)); */
-
-  
-  sem = sys_sem_new(0);
-  tcpip_init(tcpip_init_done, &sem);
-  sys_sem_wait(sem);
-  sys_sem_free(sem);
-  printf("TCP/IP initialized.\n");
-
-  tcpecho_init();
-  shell_init();
-  httpd_init();
-  udpecho_init();
-
-  printf("Applications started.\n");
-    
-  sys_timeout(5000, tcp_timeout, NULL);
-
-#ifdef MEM_PERF
-  mem_perf_init("/tmp/memstats.client");
-#endif /* MEM_PERF */
-  sem = sys_sem_new(0);
-  sys_sem_wait(sem);
-}
-/*-----------------------------------------------------------------------------------*/
-int
-main(int argc, char **argv)
-{
-#ifdef PERF
-  perf_init("/tmp/client.perf");
-#endif /* PERF */
-#ifdef STATS
-  stats_init();
-#endif /* STATS */
-  sys_init();
-  mem_init();
-  memp_init();
-  pbuf_init();
-
-  tcpdump_init();
-
-  
-  printf("System initialized.\n");
-    
-  sys_thread_new((void *)(main_thread), NULL);
-  pause();
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-
-
-
-
-
-
-
-

src/FILES

@@ -1,13 +1,13 @@
-api/      - The code for the API.	   
+api/      - The code for the high-level wrapper API. Not needed if
+            you use the lowel-level call-back/raw API.
 
-arch/     - Architectural specific files are kept here.
+core/     - The core of the TPC/IP stack; protocol implementations,
+            memory and buffer management, and the low-level raw API.
 
-core/     - The core files including protocol implementations, memory
-            and buffer management etc.
-	    
 include/  - lwIP include files.
 
-netif/    - Generic network interface device drivers are kept here.
+netif/    - Generic network interface device drivers are kept here,
+            as well as the ARP module.
 
 For more information on the various subdirectories, check the FILES
 file in each directory.

src/api/err.c

@@ -1,5 +1,11 @@
+/**
+ * @file
+ * Error Management module
+ *
+ */
+
 /*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
  * All rights reserved. 
  * 
  * Redistribution and use in source and binary forms, with or without modification, 
@@ -34,26 +40,35 @@
 
 #ifdef LWIP_DEBUG
 
-static char *err_strerr[] = {"Ok.",
+static const char *err_strerr[] = {
-			     "Out of memory error.",
+           "Ok.",                    /* ERR_OK          0  */
-			     "Buffer error.",
+           "Out of memory error.",   /* ERR_MEM        -1  */
-			     "Connection aborted.",
+           "Buffer error.",          /* ERR_BUF        -2  */
-			     "Connection reset.",
+           "Routing problem.",       /* ERR_RTE        -3  */
-			     "Connection closed.",
+           "Connection aborted.",    /* ERR_ABRT       -4  */
-			     "Not connected.",
+           "Connection reset.",      /* ERR_RST        -5  */
-			     "Illegal value.",
+           "Connection closed.",     /* ERR_CLSD       -6  */
-			     "Illegal argument.",
+           "Not connected.",         /* ERR_CONN       -7  */
-			     "Routing problem.",
+           "Illegal value.",         /* ERR_VAL        -8  */
-			     "Address in use."
+           "Illegal argument.",      /* ERR_ARG        -9  */
+           "Address in use.",        /* ERR_USE        -10 */
+           "Low-level netif error.", /* ERR_IF         -11 */
+           "Already connected.",     /* ERR_ISCONN     -12 */
+           "Timeout.",               /* ERR_TIMEOUT    -13 */
+           "Operation in progress."  /* ERR_INPROGRESS -14 */
 };
 
-/*-----------------------------------------------------------------------------------*/
+/**
-char *
+ * Convert an lwip internal error to a string representation.
+ *
+ * @param err an lwip internal err_t
+ * @return a string representation for err
+ */
+const char *
 lwip_strerr(err_t err)
 {
   return err_strerr[-err];
 
 }
-/*-----------------------------------------------------------------------------------*/
 
 #endif /* LWIP_DEBUG */

src/api/netbuf.c

@@ -0,0 +1,235 @@
+/**
+ * @file
+ * Network buffer management
+ *
+ */
+ 
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_NETCONN /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/netbuf.h"
+#include "lwip/memp.h"
+
+#include <string.h>
+
+/**
+ * Create (allocate) and initialize a new netbuf.
+ * The netbuf doesn't yet contain a packet buffer!
+ *
+ * @return a pointer to a new netbuf
+ *         NULL on lack of memory
+ */
+struct
+netbuf *netbuf_new(void)
+{
+  struct netbuf *buf;
+
+  buf = memp_malloc(MEMP_NETBUF);
+  if (buf != NULL) {
+    buf->p = NULL;
+    buf->ptr = NULL;
+    buf->addr = NULL;
+    return buf;
+  } else {
+    return NULL;
+  }
+}
+
+/**
+ * Deallocate a netbuf allocated by netbuf_new().
+ *
+ * @param buf pointer to a netbuf allocated by netbuf_new()
+ */
+void
+netbuf_delete(struct netbuf *buf)
+{
+  if (buf != NULL) {
+    if (buf->p != NULL) {
+      pbuf_free(buf->p);
+      buf->p = buf->ptr = NULL;
+    }
+    memp_free(MEMP_NETBUF, buf);
+  }
+}
+
+/**
+ * Allocate memory for a packet buffer for a given netbuf.
+ *
+ * @param buf the netbuf for which to allocate a packet buffer
+ * @param size the size of the packet buffer to allocate
+ * @return pointer to the allocated memory
+ *         NULL if no memory could be allocated
+ */
+void *
+netbuf_alloc(struct netbuf *buf, u16_t size)
+{
+  LWIP_ERROR("netbuf_alloc: invalid buf", (buf != NULL), return NULL;);
+
+  /* Deallocate any previously allocated memory. */
+  if (buf->p != NULL) {
+    pbuf_free(buf->p);
+  }
+  buf->p = pbuf_alloc(PBUF_TRANSPORT, size, PBUF_RAM);
+  if (buf->p == NULL) {
+     return NULL;
+  }
+  LWIP_ASSERT("check that first pbuf can hold size",
+             (buf->p->len >= size));
+  buf->ptr = buf->p;
+  return buf->p->payload;
+}
+
+/**
+ * Free the packet buffer included in a netbuf
+ *
+ * @param buf pointer to the netbuf which contains the packet buffer to free
+ */
+void
+netbuf_free(struct netbuf *buf)
+{
+  LWIP_ERROR("netbuf_free: invalid buf", (buf != NULL), return;);
+  if (buf->p != NULL) {
+    pbuf_free(buf->p);
+  }
+  buf->p = buf->ptr = NULL;
+}
+
+/**
+ * Let a netbuf reference existing (non-volatile) data.
+ *
+ * @param buf netbuf which should reference the data
+ * @param dataptr pointer to the data to reference
+ * @param size size of the data
+ * @return ERR_OK if data is referenced
+ *         ERR_MEM if data couldn't be referenced due to lack of memory
+ */
+err_t
+netbuf_ref(struct netbuf *buf, const void *dataptr, u16_t size)
+{
+  LWIP_ERROR("netbuf_ref: invalid buf", (buf != NULL), return ERR_ARG;);
+  if (buf->p != NULL) {
+    pbuf_free(buf->p);
+  }
+  buf->p = pbuf_alloc(PBUF_TRANSPORT, 0, PBUF_REF);
+  if (buf->p == NULL) {
+    buf->ptr = NULL;
+    return ERR_MEM;
+  }
+  buf->p->payload = (void*)dataptr;
+  buf->p->len = buf->p->tot_len = size;
+  buf->ptr = buf->p;
+  return ERR_OK;
+}
+
+/**
+ * Chain one netbuf to another (@see pbuf_chain)
+ *
+ * @param head the first netbuf
+ * @param tail netbuf to chain after head
+ */
+void
+netbuf_chain(struct netbuf *head, struct netbuf *tail)
+{
+  LWIP_ERROR("netbuf_ref: invalid head", (head != NULL), return;);
+  LWIP_ERROR("netbuf_chain: invalid tail", (tail != NULL), return;);
+  pbuf_chain(head->p, tail->p);
+  head->ptr = head->p;
+  memp_free(MEMP_NETBUF, tail);
+}
+
+/**
+ * Get the data pointer and length of the data inside a netbuf.
+ *
+ * @param buf netbuf to get the data from
+ * @param dataptr pointer to a void pointer where to store the data pointer
+ * @param len pointer to an u16_t where the length of the data is stored
+ * @return ERR_OK if the information was retreived,
+ *         ERR_BUF on error.
+ */
+err_t
+netbuf_data(struct netbuf *buf, void **dataptr, u16_t *len)
+{
+  LWIP_ERROR("netbuf_data: invalid buf", (buf != NULL), return ERR_ARG;);
+  LWIP_ERROR("netbuf_data: invalid dataptr", (dataptr != NULL), return ERR_ARG;);
+  LWIP_ERROR("netbuf_data: invalid len", (len != NULL), return ERR_ARG;);
+
+  if (buf->ptr == NULL) {
+    return ERR_BUF;
+  }
+  *dataptr = buf->ptr->payload;
+  *len = buf->ptr->len;
+  return ERR_OK;
+}
+
+/**
+ * Move the current data pointer of a packet buffer contained in a netbuf
+ * to the next part.
+ * The packet buffer itself is not modified.
+ *
+ * @param buf the netbuf to modify
+ * @return -1 if there is no next part
+ *         1  if moved to the next part but now there is no next part
+ *         0  if moved to the next part and there are still more parts
+ */
+s8_t
+netbuf_next(struct netbuf *buf)
+{
+  LWIP_ERROR("netbuf_free: invalid buf", (buf != NULL), return -1;);
+  if (buf->ptr->next == NULL) {
+    return -1;
+  }
+  buf->ptr = buf->ptr->next;
+  if (buf->ptr->next == NULL) {
+    return 1;
+  }
+  return 0;
+}
+
+/**
+ * Move the current data pointer of a packet buffer contained in a netbuf
+ * to the beginning of the packet.
+ * The packet buffer itself is not modified.
+ *
+ * @param buf the netbuf to modify
+ */
+void
+netbuf_first(struct netbuf *buf)
+{
+  LWIP_ERROR("netbuf_free: invalid buf", (buf != NULL), return;);
+  buf->ptr = buf->p;
+}
+
+#endif /* LWIP_NETCONN */

src/api/netdb.c

@@ -0,0 +1,352 @@
+/**
+ * @file
+ * API functions for name resolving
+ *
+ */
+
+/*
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ * Author: Simon Goldschmidt
+ *
+ */
+
+#include "lwip/netdb.h"
+
+#if LWIP_DNS && LWIP_SOCKET
+
+#include "lwip/err.h"
+#include "lwip/mem.h"
+#include "lwip/ip_addr.h"
+#include "lwip/api.h"
+
+/** helper struct for gethostbyname_r to access the char* buffer */
+struct gethostbyname_r_helper {
+  struct ip_addr *addrs;
+  struct ip_addr addr;
+  char *aliases;
+};
+
+/** h_errno is exported in netdb.h for access by applications. */
+#if LWIP_DNS_API_DECLARE_H_ERRNO
+int h_errno;
+#endif /* LWIP_DNS_API_DECLARE_H_ERRNO */
+
+/** define "hostent" variables storage: 0 if we use a static (but unprotected)
+ * set of variables for lwip_gethostbyname, 1 if we use a local storage */
+#ifndef LWIP_DNS_API_HOSTENT_STORAGE
+#define LWIP_DNS_API_HOSTENT_STORAGE 0
+#endif
+
+/** define "hostent" variables storage */
+#if LWIP_DNS_API_HOSTENT_STORAGE
+#define HOSTENT_STORAGE
+#else
+#define HOSTENT_STORAGE static
+#endif /* LWIP_DNS_API_STATIC_HOSTENT */
+
+/**
+ * Returns an entry containing addresses of address family AF_INET
+ * for the host with name name.
+ * Due to dns_gethostbyname limitations, only one address is returned.
+ *
+ * @param name the hostname to resolve
+ * @return an entry containing addresses of address family AF_INET
+ *         for the host with name name
+ */
+struct hostent*
+lwip_gethostbyname(const char *name)
+{
+  err_t err;
+  struct ip_addr addr;
+
+  /* buffer variables for lwip_gethostbyname() */
+  HOSTENT_STORAGE struct hostent s_hostent;
+  HOSTENT_STORAGE char *s_aliases;
+  HOSTENT_STORAGE struct ip_addr s_hostent_addr;
+  HOSTENT_STORAGE struct ip_addr *s_phostent_addr;
+
+  /* query host IP address */
+  err = netconn_gethostbyname(name, &addr);
+  if (err != ERR_OK) {
+    LWIP_DEBUGF(DNS_DEBUG, ("lwip_gethostbyname(%s) failed, err=%d\n", name, err));
+    h_errno = HOST_NOT_FOUND;
+    return NULL;
+  }
+
+  /* fill hostent */
+  s_hostent_addr = addr;
+  s_phostent_addr = &s_hostent_addr;
+  s_hostent.h_name = (char*)name;
+  s_hostent.h_aliases = &s_aliases;
+  s_hostent.h_addrtype = AF_INET;
+  s_hostent.h_length = sizeof(struct ip_addr);
+  s_hostent.h_addr_list = (char**)&s_phostent_addr;
+
+#if DNS_DEBUG
+  /* dump hostent */
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_name           == %s\n",      s_hostent.h_name));
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases        == 0x%08lX\n",(u32_t)(s_hostent.h_aliases)));
+  if (s_hostent.h_aliases != NULL) {
+    u8_t idx;
+    for ( idx=0; s_hostent.h_aliases[idx]; idx++) {
+      LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases[%i]->   == 0x%08lX\n", idx, s_hostent.h_aliases[idx]));
+      LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_aliases[%i]->   == %s\n",      idx, s_hostent.h_aliases[idx]));
+    }
+  }
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addrtype       == %lu\n",    (u32_t)(s_hostent.h_addrtype)));
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_length         == %lu\n",    (u32_t)(s_hostent.h_length)));
+  LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list      == 0x%08lX\n", s_hostent.h_addr_list));
+  if (s_hostent.h_addr_list != NULL) {
+    u8_t idx;
+    for ( idx=0; s_hostent.h_addr_list[idx]; idx++) {
+      LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list[%i]   == 0x%08lX\n", idx, s_hostent.h_addr_list[idx]));
+      LWIP_DEBUGF(DNS_DEBUG, ("hostent.h_addr_list[%i]-> == %s\n",      idx, inet_ntoa(*((struct in_addr*)(s_hostent.h_addr_list[idx])))));
+    }
+  }
+#endif /* DNS_DEBUG */
+
+#if LWIP_DNS_API_HOSTENT_STORAGE
+  /* this function should return the "per-thread" hostent after copy from s_hostent */
+  return sys_thread_hostent(&s_hostent);
+#else
+  return &s_hostent;
+#endif /* LWIP_DNS_API_HOSTENT_STORAGE */
+}
+
+/**
+ * Thread-safe variant of lwip_gethostbyname: instead of using a static
+ * buffer, this function takes buffer and errno pointers as arguments
+ * and uses these for the result.
+ *
+ * @param name the hostname to resolve
+ * @param ret pre-allocated struct where to store the result
+ * @param buf pre-allocated buffer where to store additional data
+ * @param buflen the size of buf
+ * @param result pointer to a hostent pointer that is set to ret on success
+ *               and set to zero on error
+ * @param h_errnop pointer to an int where to store errors (instead of modifying
+ *                 the global h_errno)
+ * @return 0 on success, non-zero on error, additional error information
+ *         is stored in *h_errnop instead of h_errno to be thread-safe
+ */
+int
+lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf,
+                size_t buflen, struct hostent **result, int *h_errnop)
+{
+  err_t err;
+  struct gethostbyname_r_helper *h;
+  char *hostname;
+  size_t namelen;
+  int lh_errno;
+
+  if (h_errnop == NULL) {
+    /* ensure h_errnop is never NULL */
+    h_errnop = &lh_errno;
+  }
+
+  if (result == NULL) {
+    /* not all arguments given */
+    *h_errnop = EINVAL;
+    return -1;
+  }
+  /* first thing to do: set *result to nothing */
+  *result = NULL;
+  if ((name == NULL) || (ret == NULL) || (buf == 0)) {
+    /* not all arguments given */
+    *h_errnop = EINVAL;
+    return -1;
+  }
+
+  namelen = strlen(name);
+  if (buflen < (sizeof(struct gethostbyname_r_helper) + namelen + 1 + (MEM_ALIGNMENT - 1))) {
+    /* buf can't hold the data needed + a copy of name */
+    *h_errnop = ERANGE;
+    return -1;
+  }
+
+  h = (struct gethostbyname_r_helper*)LWIP_MEM_ALIGN(buf);
+  hostname = ((char*)h) + sizeof(struct gethostbyname_r_helper);
+
+  /* query host IP address */
+  err = netconn_gethostbyname(name, &(h->addr));
+  if (err != ERR_OK) {
+    LWIP_DEBUGF(DNS_DEBUG, ("lwip_gethostbyname(%s) failed, err=%d\n", name, err));
+    *h_errnop = ENSRNOTFOUND;
+    return -1;
+  }
+
+  /* copy the hostname into buf */
+  MEMCPY(hostname, name, namelen);
+  hostname[namelen] = 0;
+
+  /* fill hostent */
+  h->addrs = &(h->addr);
+  h->aliases = NULL;
+  ret->h_name = (char*)hostname;
+  ret->h_aliases = &(h->aliases);
+  ret->h_addrtype = AF_INET;
+  ret->h_length = sizeof(struct ip_addr);
+  ret->h_addr_list = (char**)&(h->addrs);
+
+  /* set result != NULL */
+  *result = ret;
+
+  /* return success */
+  return 0;
+}
+
+/**
+ * Frees one or more addrinfo structures returned by getaddrinfo(), along with
+ * any additional storage associated with those structures. If the ai_next field
+ * of the structure is not null, the entire list of structures is freed.
+ *
+ * @param ai struct addrinfo to free
+ */
+void
+lwip_freeaddrinfo(struct addrinfo *ai)
+{
+  struct addrinfo *next;
+
+  while (ai != NULL) {
+    if (ai->ai_addr != NULL) {
+      mem_free(ai->ai_addr);
+    }
+    if (ai->ai_canonname != NULL) {
+      mem_free(ai->ai_canonname);
+    }
+    next = ai->ai_next;
+    mem_free(ai);
+    ai = next;
+  }
+}
+
+/**
+ * Translates the name of a service location (for example, a host name) and/or
+ * a service name and returns a set of socket addresses and associated
+ * information to be used in creating a socket with which to address the
+ * specified service.
+ * Memory for the result is allocated internally and must be freed by calling
+ * lwip_freeaddrinfo()!
+ *
+ * Due to a limitation in dns_gethostbyname, only the first address of a
+ * host is returned.
+ * Also, service names are not supported (only port numbers)!
+ *
+ * @param nodename descriptive name or address string of the host
+ *                 (may be NULL -> local address)
+ * @param servname port number as string of NULL 
+ * @param hints structure containing input values that set socktype and protocol
+ * @param res pointer to a pointer where to store the result (set to NULL on failure)
+ * @return 0 on success, non-zero on failure
+ */
+int
+lwip_getaddrinfo(const char *nodename, const char *servname,
+       const struct addrinfo *hints, struct addrinfo **res)
+{
+  err_t err;
+  struct ip_addr addr;
+  struct addrinfo *ai;
+  struct sockaddr_in *sa = NULL;
+  int port_nr = 0;
+
+  if (res == NULL) {
+    return EAI_FAIL;
+  }
+  *res = NULL;
+  if ((nodename == NULL) && (servname == NULL)) {
+    return EAI_NONAME;
+  }
+
+  if (servname != NULL) {
+    /* service name specified: convert to port number
+     * @todo?: currently, only ASCII integers (port numbers) are supported! */
+    port_nr = atoi(servname);
+    if ((port_nr <= 0) || (port_nr > 0xffff)) {
+      return EAI_SERVICE;
+    }
+  }
+
+  if (nodename != NULL) {
+    /* service location specified, try to resolve */
+    err = netconn_gethostbyname(nodename, &addr);
+    if (err != ERR_OK) {
+      return EAI_FAIL;
+    }
+  } else {
+    /* service location specified, use loopback address */
+    addr.addr = INADDR_LOOPBACK;
+  }
+
+  ai = mem_malloc(sizeof(struct addrinfo));
+  if (ai == NULL) {
+    goto memerr;
+  }
+  memset(ai, 0, sizeof(struct addrinfo));
+  sa = mem_malloc(sizeof(struct sockaddr_in));
+  if (sa == NULL) {
+    goto memerr;
+  }
+  memset(sa, 0, sizeof(struct sockaddr_in));
+  /* set up sockaddr */
+  sa->sin_addr.s_addr = addr.addr;
+  sa->sin_family = AF_INET;
+  sa->sin_len = sizeof(struct sockaddr_in);
+  sa->sin_port = htons(port_nr);
+
+  /* set up addrinfo */
+  ai->ai_family = AF_INET;
+  if (hints != NULL) {
+    /* copy socktype & protocol from hints if specified */
+    ai->ai_socktype = hints->ai_socktype;
+    ai->ai_protocol = hints->ai_protocol;
+  }
+  if (nodename != NULL) {
+    /* copy nodename to canonname if specified */
+    size_t namelen = strlen(nodename);
+    ai->ai_canonname = mem_malloc(namelen + 1);
+    if (ai->ai_canonname == NULL) {
+      goto memerr;
+    }
+    MEMCPY(ai->ai_canonname, nodename, namelen);
+    ai->ai_canonname[namelen] = 0;
+  }
+  ai->ai_addrlen = sizeof(struct sockaddr_in);
+  ai->ai_addr = (struct sockaddr*)sa;
+
+  *res = ai;
+
+  return 0;
+memerr:
+  if (ai != NULL) {
+    mem_free(ai);
+  }
+  if (sa != NULL) {
+    mem_free(sa);
+  }
+  return EAI_MEMORY;
+}
+
+#endif /* LWIP_DNS && LWIP_SOCKET */

src/api/netifapi.c

@@ -0,0 +1,126 @@
+/**
+ * @file
+ * Network Interface Sequential API module
+ *
+ */
+
+/*
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ * 
+ */
+
+#include "lwip/opt.h"
+
+#if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */
+
+#include "lwip/netifapi.h"
+#include "lwip/tcpip.h"
+
+/**
+ * Call netif_add() inside the tcpip_thread context.
+ */
+void
+do_netifapi_netif_add( struct netifapi_msg_msg *msg)
+{
+  if (!netif_add( msg->netif,
+                  msg->msg.add.ipaddr,
+                  msg->msg.add.netmask,
+                  msg->msg.add.gw,
+                  msg->msg.add.state,
+                  msg->msg.add.init,
+                  msg->msg.add.input)) {
+    msg->err = ERR_IF;
+  } else {
+    msg->err = ERR_OK;
+  }
+  TCPIP_NETIFAPI_ACK(msg);
+}
+
+/**
+ * Call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) inside the
+ * tcpip_thread context.
+ */
+void
+do_netifapi_netif_common( struct netifapi_msg_msg *msg)
+{
+  if (msg->msg.common.errtfunc!=NULL) {
+    msg->err =
+    msg->msg.common.errtfunc(msg->netif);
+  } else {
+    msg->err = ERR_OK;
+    msg->msg.common.voidfunc(msg->netif);
+  }
+  TCPIP_NETIFAPI_ACK(msg);
+}
+
+/**
+ * Call netif_add() in a thread-safe way by running that function inside the
+ * tcpip_thread context.
+ *
+ * @note for params @see netif_add()
+ */
+err_t
+netifapi_netif_add(struct netif *netif,
+                   struct ip_addr *ipaddr,
+                   struct ip_addr *netmask,
+                   struct ip_addr *gw,
+                   void *state,
+                   err_t (* init)(struct netif *netif),
+                   err_t (* input)(struct pbuf *p, struct netif *netif))
+{
+  struct netifapi_msg msg;
+  msg.function = do_netifapi_netif_add;
+  msg.msg.netif = netif;
+  msg.msg.msg.add.ipaddr  = ipaddr;
+  msg.msg.msg.add.netmask = netmask;
+  msg.msg.msg.add.gw      = gw;
+  msg.msg.msg.add.state   = state;
+  msg.msg.msg.add.init    = init;
+  msg.msg.msg.add.input   = input;
+  TCPIP_NETIFAPI(&msg);
+  return msg.msg.err;
+}
+
+/**
+ * call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) in a thread-safe
+ * way by running that function inside the tcpip_thread context.
+ *
+ * @note use only for functions where there is only "netif" parameter.
+ */
+err_t
+netifapi_netif_common( struct netif *netif,
+                       void  (* voidfunc)(struct netif *netif),
+                       err_t (* errtfunc)(struct netif *netif) )
+{
+  struct netifapi_msg msg;
+  msg.function = do_netifapi_netif_common;
+  msg.msg.netif = netif;
+  msg.msg.msg.common.voidfunc = voidfunc;
+  msg.msg.msg.common.errtfunc = errtfunc;
+  TCPIP_NETIFAPI(&msg);
+  return msg.msg.err;
+}
+
+#endif /* LWIP_NETIF_API */

src/api/tcpip.c

@@ -1,8 +1,14 @@
+/**
+ * @file
+ * Sequential API Main thread module
+ *
+ */
+
 /*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
- * All rights reserved. 
+ * All rights reserved.
- * 
+ *
- * Redistribution and use in source and binary forms, with or without modification, 
+ * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright notice,
@@ -11,127 +17,505 @@
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
+ *    derived from this software without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  * OF SUCH DAMAGE.
  *
  * This file is part of the lwIP TCP/IP stack.
- * 
+ *
  * Author: Adam Dunkels <adam@sics.se>
  *
  */
 
-#include "lwip/debug.h"
-
 #include "lwip/opt.h"
 
-#include "lwip/sys.h"
+#if !NO_SYS /* don't build if not configured for use in lwipopts.h */
 
+#include "lwip/sys.h"
 #include "lwip/memp.h"
 #include "lwip/pbuf.h"
-
+#include "lwip/ip_frag.h"
-#include "lwip/ip.h"
-#include "lwip/udp.h"
 #include "lwip/tcp.h"
-
+#include "lwip/autoip.h"
+#include "lwip/dhcp.h"
+#include "lwip/igmp.h"
+#include "lwip/dns.h"
 #include "lwip/tcpip.h"
+#include "lwip/init.h"
+#include "netif/etharp.h"
+#include "netif/ppp_oe.h"
 
-static void (* tcpip_init_done)(void *arg) = NULL;
+/* global variables */
+static void (* tcpip_init_done)(void *arg);
 static void *tcpip_init_done_arg;
-static sys_mbox_t mbox;
+static sys_mbox_t mbox = SYS_MBOX_NULL;
 
-/*-----------------------------------------------------------------------------------*/
+#if LWIP_TCPIP_CORE_LOCKING
+/** The global semaphore to lock the stack. */
+sys_sem_t lock_tcpip_core;
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+
+#if LWIP_TCP
+/* global variable that shows if the tcp timer is currently scheduled or not */
+static int tcpip_tcp_timer_active;
+
+/**
+ * Timer callback function that calls tcp_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
 static void
 tcpip_tcp_timer(void *arg)
 {
-  tcp_tmr();
+  LWIP_UNUSED_ARG(arg);
-  sys_timeout(TCP_TMR_INTERVAL, (sys_timeout_handler)tcpip_tcp_timer, NULL);
-}
-/*-----------------------------------------------------------------------------------*/
 
+  /* call TCP timer handler */
+  tcp_tmr();
+  /* timer still needed? */
+  if (tcp_active_pcbs || tcp_tw_pcbs) {
+    /* restart timer */
+    sys_timeout(TCP_TMR_INTERVAL, tcpip_tcp_timer, NULL);
+  } else {
+    /* disable timer */
+    tcpip_tcp_timer_active = 0;
+  }
+}
+
+#if !NO_SYS
+/**
+ * Called from TCP_REG when registering a new PCB:
+ * the reason is to have the TCP timer only running when
+ * there are active (or time-wait) PCBs.
+ */
+void
+tcp_timer_needed(void)
+{
+  /* timer is off but needed again? */
+  if (!tcpip_tcp_timer_active && (tcp_active_pcbs || tcp_tw_pcbs)) {
+    /* enable and start timer */
+    tcpip_tcp_timer_active = 1;
+    sys_timeout(TCP_TMR_INTERVAL, tcpip_tcp_timer, NULL);
+  }
+}
+#endif /* !NO_SYS */
+#endif /* LWIP_TCP */
+
+#if IP_REASSEMBLY
+/**
+ * Timer callback function that calls ip_reass_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+ip_reass_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip: ip_reass_tmr()\n"));
+  ip_reass_tmr();
+  sys_timeout(IP_TMR_INTERVAL, ip_reass_timer, NULL);
+}
+#endif /* IP_REASSEMBLY */
+
+#if LWIP_ARP
+/**
+ * Timer callback function that calls etharp_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+arp_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip: etharp_tmr()\n"));
+  etharp_tmr();
+  sys_timeout(ARP_TMR_INTERVAL, arp_timer, NULL);
+}
+#endif /* LWIP_ARP */
+
+#if LWIP_DHCP
+/**
+ * Timer callback function that calls dhcp_coarse_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+dhcp_timer_coarse(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip: dhcp_coarse_tmr()\n"));
+  dhcp_coarse_tmr();
+  sys_timeout(DHCP_COARSE_TIMER_MSECS, dhcp_timer_coarse, NULL);
+}
+
+/**
+ * Timer callback function that calls dhcp_fine_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+dhcp_timer_fine(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip: dhcp_fine_tmr()\n"));
+  dhcp_fine_tmr();
+  sys_timeout(DHCP_FINE_TIMER_MSECS, dhcp_timer_fine, NULL);
+}
+#endif /* LWIP_DHCP */
+
+#if LWIP_AUTOIP
+/**
+ * Timer callback function that calls autoip_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+autoip_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip: autoip_tmr()\n"));
+  autoip_tmr();
+  sys_timeout(AUTOIP_TMR_INTERVAL, autoip_timer, NULL);
+}
+#endif /* LWIP_AUTOIP */
+
+#if LWIP_IGMP
+/**
+ * Timer callback function that calls igmp_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+igmp_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip: igmp_tmr()\n"));
+  igmp_tmr();
+  sys_timeout(IGMP_TMR_INTERVAL, igmp_timer, NULL);
+}
+#endif /* LWIP_IGMP */
+
+#if LWIP_DNS
+/**
+ * Timer callback function that calls dns_tmr() and reschedules itself.
+ *
+ * @param arg unused argument
+ */
+static void
+dns_timer(void *arg)
+{
+  LWIP_UNUSED_ARG(arg);
+  LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip: dns_tmr()\n"));
+  dns_tmr();
+  sys_timeout(DNS_TMR_INTERVAL, dns_timer, NULL);
+}
+#endif /* LWIP_DNS */
+
+/**
+ * The main lwIP thread. This thread has exclusive access to lwIP core functions
+ * (unless access to them is not locked). Other threads communicate with this
+ * thread using message boxes.
+ *
+ * It also starts all the timers to make sure they are running in the right
+ * thread context.
+ *
+ * @param arg unused argument
+ */
 static void
 tcpip_thread(void *arg)
 {
   struct tcpip_msg *msg;
+  LWIP_UNUSED_ARG(arg);
 
-  ip_init();
+#if IP_REASSEMBLY
-  udp_init();
+  sys_timeout(IP_TMR_INTERVAL, ip_reass_timer, NULL);
-  tcp_init();
+#endif /* IP_REASSEMBLY */
+#if LWIP_ARP
+  sys_timeout(ARP_TMR_INTERVAL, arp_timer, NULL);
+#endif /* LWIP_ARP */
+#if LWIP_DHCP
+  sys_timeout(DHCP_COARSE_TIMER_MSECS, dhcp_timer_coarse, NULL);
+  sys_timeout(DHCP_FINE_TIMER_MSECS, dhcp_timer_fine, NULL);
+#endif /* LWIP_DHCP */
+#if LWIP_AUTOIP
+  sys_timeout(AUTOIP_TMR_INTERVAL, autoip_timer, NULL);
+#endif /* LWIP_AUTOIP */
+#if LWIP_IGMP
+  sys_timeout(IGMP_TMR_INTERVAL, igmp_timer, NULL);
+#endif /* LWIP_IGMP */
+#if LWIP_DNS
+  sys_timeout(DNS_TMR_INTERVAL, dns_timer, NULL);
+#endif /* LWIP_DNS */
 
-  sys_timeout(TCP_TMR_INTERVAL, (sys_timeout_handler)tcpip_tcp_timer, NULL);
+  if (tcpip_init_done != NULL) {
-  
-  if(tcpip_init_done != NULL) {
     tcpip_init_done(tcpip_init_done_arg);
   }
 
-  while(1) {                          /* MAIN Loop */
+  LOCK_TCPIP_CORE();
+  while (1) {                          /* MAIN Loop */
     sys_mbox_fetch(mbox, (void *)&msg);
-    switch(msg->type) {
+    switch (msg->type) {
+#if LWIP_NETCONN
     case TCPIP_MSG_API:
-      DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API message %p\n", (void *)msg));
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: API message %p\n", (void *)msg));
-      api_msg_input(msg->msg.apimsg);
+      msg->msg.apimsg->function(&(msg->msg.apimsg->msg));
       break;
-    case TCPIP_MSG_INPUT:
+#endif /* LWIP_NETCONN */
-      DEBUGF(TCPIP_DEBUG, ("tcpip_thread: IP packet %p\n", (void *)msg));
+
-      ip_input(msg->msg.inp.p, msg->msg.inp.netif);
+    case TCPIP_MSG_INPKT:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: PACKET %p\n", (void *)msg));
+#if LWIP_ARP
+      if (msg->msg.inp.netif->flags & NETIF_FLAG_ETHARP) {
+        ethernet_input(msg->msg.inp.p, msg->msg.inp.netif);
+      } else
+#endif /* LWIP_ARP */
+      { ip_input(msg->msg.inp.p, msg->msg.inp.netif);
+      }
+      memp_free(MEMP_TCPIP_MSG_INPKT, msg);
       break;
+
+#if LWIP_NETIF_API
+    case TCPIP_MSG_NETIFAPI:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: Netif API message %p\n", (void *)msg));
+      msg->msg.netifapimsg->function(&(msg->msg.netifapimsg->msg));
+      break;
+#endif /* LWIP_NETIF_API */
+
+    case TCPIP_MSG_CALLBACK:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: CALLBACK %p\n", (void *)msg));
+      msg->msg.cb.f(msg->msg.cb.ctx);
+      memp_free(MEMP_TCPIP_MSG_API, msg);
+      break;
+
+    case TCPIP_MSG_TIMEOUT:
+      LWIP_DEBUGF(TCPIP_DEBUG, ("tcpip_thread: TIMEOUT %p\n", (void *)msg));
+
+      if(msg->msg.tmo.msecs != 0xffffffff)
+        sys_timeout (msg->msg.tmo.msecs, msg->msg.tmo.h, msg->msg.tmo.arg);
+      else
+        sys_untimeout (msg->msg.tmo.h, msg->msg.tmo.arg);
+      memp_free(MEMP_TCPIP_MSG_API, msg);
+      break;
+
     default:
       break;
     }
-    memp_freep(MEMP_TCPIP_MSG, msg);
   }
 }
-/*-----------------------------------------------------------------------------------*/
+
+/**
+ * Pass a received packet to tcpip_thread for input processing
+ *
+ * @param p the received packet, p->payload pointing to the Ethernet header or
+ *          to an IP header (if netif doesn't got NETIF_FLAG_ETHARP flag)
+ * @param inp the network interface on which the packet was received
+ */
 err_t
 tcpip_input(struct pbuf *p, struct netif *inp)
 {
   struct tcpip_msg *msg;
-  
+
-  msg = memp_mallocp(MEMP_TCPIP_MSG);
+  if (mbox != SYS_MBOX_NULL) {
-  if(msg == NULL) {
+    msg = memp_malloc(MEMP_TCPIP_MSG_INPKT);
-    pbuf_free(p);    
+    if (msg == NULL) {
-    return ERR_MEM;  
+      return ERR_MEM;
+    }
+
+    msg->type = TCPIP_MSG_INPKT;
+    msg->msg.inp.p = p;
+    msg->msg.inp.netif = inp;
+    if (sys_mbox_trypost(mbox, msg) != ERR_OK) {
+      memp_free(MEMP_TCPIP_MSG_INPKT, msg);
+      return ERR_MEM;
+    }
+    return ERR_OK;
   }
-  
+  return ERR_VAL;
-  msg->type = TCPIP_MSG_INPUT;
-  msg->msg.inp.p = p;
-  msg->msg.inp.netif = inp;
-  sys_mbox_post(mbox, msg);
-  return ERR_OK;
 }
-/*-----------------------------------------------------------------------------------*/
+
-void
+/**
-tcpip_apimsg(struct api_msg *apimsg)
+ * Call a specific function in the thread context of
+ * tcpip_thread for easy access synchronization.
+ * A function called in that way may access lwIP core code
+ * without fearing concurrent access.
+ *
+ * @param f the function to call
+ * @param ctx parameter passed to f
+ * @param block 1 to block until the request is posted, 0 to non-blocking mode
+ * @return ERR_OK if the function was called, another err_t if not
+ */
+err_t
+tcpip_callback_with_block(void (*f)(void *ctx), void *ctx, u8_t block)
 {
   struct tcpip_msg *msg;
-  msg = memp_mallocp(MEMP_TCPIP_MSG);
+
-  if(msg == NULL) {
+  if (mbox != SYS_MBOX_NULL) {
-    memp_free(MEMP_API_MSG, apimsg);
+    msg = memp_malloc(MEMP_TCPIP_MSG_API);
-    return;
+    if (msg == NULL) {
+      return ERR_MEM;
+    }
+
+    msg->type = TCPIP_MSG_CALLBACK;
+    msg->msg.cb.f = f;
+    msg->msg.cb.ctx = ctx;
+    if (block) {
+      sys_mbox_post(mbox, msg);
+    } else {
+      if (sys_mbox_trypost(mbox, msg) != ERR_OK) {
+        memp_free(MEMP_TCPIP_MSG_API, msg);
+        return ERR_MEM;
+      }
+    }
+    return ERR_OK;
   }
-  msg->type = TCPIP_MSG_API;
+  return ERR_VAL;
-  msg->msg.apimsg = apimsg;
-  sys_mbox_post(mbox, msg);
 }
-/*-----------------------------------------------------------------------------------*/
+
+err_t
+tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg)
+{
+  struct tcpip_msg *msg;
+
+  if (mbox != SYS_MBOX_NULL) {
+    msg = memp_malloc(MEMP_TCPIP_MSG_API);
+    if (msg == NULL) {
+      return ERR_MEM;
+    }
+
+    msg->type = TCPIP_MSG_TIMEOUT;
+    msg->msg.tmo.msecs = msecs;
+    msg->msg.tmo.h = h;
+    msg->msg.tmo.arg = arg;
+    sys_mbox_post(mbox, msg);
+    return ERR_OK;
+  }
+  return ERR_VAL;
+}
+
+#if LWIP_NETCONN
+/**
+ * Call the lower part of a netconn_* function
+ * This function is then running in the thread context
+ * of tcpip_thread and has exclusive access to lwIP core code.
+ *
+ * @param apimsg a struct containing the function to call and its parameters
+ * @return ERR_OK if the function was called, another err_t if not
+ */
+err_t
+tcpip_apimsg(struct api_msg *apimsg)
+{
+  struct tcpip_msg msg;
+  
+  if (mbox != SYS_MBOX_NULL) {
+    msg.type = TCPIP_MSG_API;
+    msg.msg.apimsg = apimsg;
+    sys_mbox_post(mbox, &msg);
+    sys_arch_sem_wait(apimsg->msg.conn->op_completed, 0);
+    return ERR_OK;
+  }
+  return ERR_VAL;
+}
+
+#if LWIP_TCPIP_CORE_LOCKING
+/**
+ * Call the lower part of a netconn_* function
+ * This function has exclusive access to lwIP core code by locking it
+ * before the function is called.
+ *
+ * @param apimsg a struct containing the function to call and its parameters
+ * @return ERR_OK (only for compatibility fo tcpip_apimsg())
+ */
+err_t
+tcpip_apimsg_lock(struct api_msg *apimsg)
+{
+  LOCK_TCPIP_CORE();
+  apimsg->function(&(apimsg->msg));
+  UNLOCK_TCPIP_CORE();
+  return ERR_OK;
+
+}
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+#endif /* LWIP_NETCONN */
+
+#if LWIP_NETIF_API
+#if !LWIP_TCPIP_CORE_LOCKING
+/**
+ * Much like tcpip_apimsg, but calls the lower part of a netifapi_*
+ * function.
+ *
+ * @param netifapimsg a struct containing the function to call and its parameters
+ * @return error code given back by the function that was called
+ */
+err_t
+tcpip_netifapi(struct netifapi_msg* netifapimsg)
+{
+  struct tcpip_msg msg;
+  
+  if (mbox != SYS_MBOX_NULL) {
+    netifapimsg->msg.sem = sys_sem_new(0);
+    if (netifapimsg->msg.sem == SYS_SEM_NULL) {
+      netifapimsg->msg.err = ERR_MEM;
+      return netifapimsg->msg.err;
+    }
+    
+    msg.type = TCPIP_MSG_NETIFAPI;
+    msg.msg.netifapimsg = netifapimsg;
+    sys_mbox_post(mbox, &msg);
+    sys_sem_wait(netifapimsg->msg.sem);
+    sys_sem_free(netifapimsg->msg.sem);
+    return netifapimsg->msg.err;
+  }
+  return ERR_VAL;
+}
+#else /* !LWIP_TCPIP_CORE_LOCKING */
+/**
+ * Call the lower part of a netifapi_* function
+ * This function has exclusive access to lwIP core code by locking it
+ * before the function is called.
+ *
+ * @param netifapimsg a struct containing the function to call and its parameters
+ * @return ERR_OK (only for compatibility fo tcpip_netifapi())
+ */
+err_t
+tcpip_netifapi_lock(struct netifapi_msg* netifapimsg)
+{
+  LOCK_TCPIP_CORE();  
+  netifapimsg->function(&(netifapimsg->msg));
+  UNLOCK_TCPIP_CORE();
+  return netifapimsg->msg.err;
+}
+#endif /* !LWIP_TCPIP_CORE_LOCKING */
+#endif /* LWIP_NETIF_API */
+
+/**
+ * Initialize this module:
+ * - initialize all sub modules
+ * - start the tcpip_thread
+ *
+ * @param initfunc a function to call when tcpip_thread is running and finished initializing
+ * @param arg argument to pass to initfunc
+ */
 void
 tcpip_init(void (* initfunc)(void *), void *arg)
 {
+  lwip_init();
+
   tcpip_init_done = initfunc;
   tcpip_init_done_arg = arg;
-  mbox = sys_mbox_new();
+  mbox = sys_mbox_new(TCPIP_MBOX_SIZE);
-  sys_thread_new((void *)tcpip_thread, NULL);
+#if LWIP_TCPIP_CORE_LOCKING
+  lock_tcpip_core = sys_sem_new(1);
+#endif /* LWIP_TCPIP_CORE_LOCKING */
+
+  sys_thread_new(TCPIP_THREAD_NAME, tcpip_thread, NULL, TCPIP_THREAD_STACKSIZE, TCPIP_THREAD_PRIO);
 }
-/*-----------------------------------------------------------------------------------*/
-
-
 
+#endif /* !NO_SYS */

src/arch/6502/README

@@ -1 +0,0 @@
-The 6502 code is far from complete.

src/arch/6502/include/arch/cc.h

@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __CC_H__
-#define __CC_H__
-
-typedef unsigned   char    u8_t;
-typedef signed     char    s8_t;
-typedef unsigned   short   u16_t;
-typedef signed     short   s16_t;
-typedef unsigned   long    u32_t;
-typedef signed     long    s32_t;
-
-#define PACK_STRUCT_BEGIN
-#define PACK_STRUCT_STRUCT
-#define PACK_STRUCT_END
-#define PACK_STRUCT_FIELD(x) x
-
-#endif /* __CC_H__ */

src/arch/6502/include/arch/cpu.h

@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __CPU_H__
-#define __CPU_H__
-
-#define BYTE_ORDER LITTLE_ENDIAN
-
-#endif /* __CPU_H__ */

src/arch/6502/include/arch/lib.h

@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __LIB_H__
-#define __LIB_H__
-
-int strlen(const char *str);
-int strncmp(const char *str1, const char *str2, int len);
-
-#endif /* __LIB_H__ */

src/arch/6502/include/arch/perf.h

@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __PERF_H__
-#define __PERF_H__
-
-#define PERF_START    /* null definition */
-#define PERF_STOP(x)  /* null definition */
-
-#endif /* __PERF_H__ */

src/arch/6502/include/arch/sys_arch.h

@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __SYS_C64_H__
-#define __SYS_C64_H__
-
-#define SYS_MBOX_NULL 0
-
-typedef int sys_sem_t;
-typedef int sys_mbox_t;
-typedef int sys_thread_t;
-
-#endif /* __SYS_C64_H__ */

src/arch/6502/lib_arch.c

@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-/* These are generic implementations of various library functions used
- * throughout the lwIP code. When porting, those should be optimized
- * for the particular processor architecture, preferably coded in
- * assembler.
- */
-
-

src/arch/6502/sys_c64.c

@@ -1,120 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include <c64.h>
-#include <time.h>
-
-#include "lwip/sys.h"
-#include "lwip/def.h"
-
-struct sys_timeouts timeouts;
-
-/*-----------------------------------------------------------------------------------*/
-void
-sys_arch_block(u16_t time)
-{
-  u16_t ticks;
-  
-  ticks = time * (CLK_TCK / 1000) + clock();
-  printf("ticks %d\n", ticks);
-
-  while(clock() != ticks);  
-}
-/*-----------------------------------------------------------------------------------*/
-sys_mbox_t
-sys_mbox_new(void)
-{
-  return SYS_MBOX_NULL;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_mbox_free(sys_mbox_t mbox)
-{
-  return;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_mbox_post(sys_mbox_t mbox, void *data)
-{
-  return;
-}
-/*-----------------------------------------------------------------------------------*/
-u16_t 
-sys_arch_mbox_fetch(sys_mbox_t mbox, void **data, u16_t timeout)
-{
-  sys_arch_block(timeout);
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-sys_sem_t
-sys_sem_new(u8_t count)
-{
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-u16_t
-sys_arch_sem_wait(sys_sem_t sem, u16_t timeout)
-{
-  sys_arch_block(timeout);
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_sem_signal(sys_sem_t sem)
-{
-  return;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_sem_free(sys_sem_t sem)
-{
-  return;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_init(void)
-{
-  timeouts.next = NULL;
-  return;
-}
-/*-----------------------------------------------------------------------------------*/
-struct sys_timeouts *
-sys_arch_timeouts(void)
-{
-  return &timeouts;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_thread_new(void (* function)(void *arg), void *arg)
-{
-}
-/*-----------------------------------------------------------------------------------*/

src/arch/FILES

@@ -1,29 +0,0 @@
-6502/      - Architectural files for the 6502 CPU.
-
-c16x/      - Architectural files for the C16x/ST10 uC.
-             Supports lwIP Raw API only.
-             CS8900a Ethernet driver for 16-bit mode.
-
-msvc6/     - Architectural files for Microsoft Visual C++ 6.0.
-
-rtxc/      - Architectural files for the RTXC operating system.
-
-unix/      - Architectural files for testing on unix-like systems
-             (assuming gcc and pthreads).
-
-v2pro/     - Architectural files for the Xilinx Virtex-II PRO device with 
-             embedded PowerPC 405 Processor.  Supports lwIP Raw API only.
-             (requires V2PDK - http://www.xilinx.com/ise/vii_pro/kit.htm)
-
-
-Each subdirectory (may) also include:
-
-perf.c     - Optional file that should be implemented when running
-             performance tests of lwIP.
-
-sys.c      - Implementation of the operating system emulation layer.
-
-include/   - Architectural specific header files.
-
-netif/     - Architectural specific network interfaces.
-

src/arch/c16x/FILES

@@ -1,13 +0,0 @@
-This directory contains architecture and compiler specific stuff for porting lwIP
-to the C16x and ST10 microcontrollers. The compiler specifics are for Tasking EDE
-v7.5r2.
-
-The sequential API has not been ported; it's function are empties. If someone is
-interested in adding a sequential API, please contact the author (see below).
-
-Besides this, a Cirrus (formerly Crystal Semiconductors) CS8900a Ethernet driver
-is included, which assumes a 16-bit data bus configuration. When porting this
-driver, note that the CS8900a does not support interrupts in 8-bit mode.
-
-Leon Woestenberg
-<leon.woestenberg@axon.tv>

src/arch/c16x/include/arch/cc.h

@@ -1,20 +0,0 @@
-#ifndef __CC_H__
-#define __CC_H__
-
-typedef unsigned   char    u8_t;
-typedef signed     char    s8_t;
-typedef unsigned   short   u16_t;
-typedef signed     short   s16_t;
-typedef unsigned   long    u32_t;
-typedef signed     long    s32_t;
-
-typedef u32_t mem_ptr_t;
-
-// LW: Supported in at least >=v7.5 r2, but lwIP worked without the "_packed" attribute already
-#define PACK_STRUCT_BEGIN _packed
-#define PACK_STRUCT_STRUCT
-#define PACK_STRUCT_END
-#define PACK_STRUCT_FIELD(x) x
-
-
-#endif /* __CC_H__ */

src/arch/c16x/include/arch/cpu.h

@@ -1,6 +0,0 @@
-#ifndef __CPU_H__
-#define __CPU_H__
-
-#define BYTE_ORDER LITTLE_ENDIAN
-
-#endif /* __CPU_H__ */

src/arch/c16x/include/arch/lib.h

@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2001, Swedish Institute of Computer Science.
- * All rights reserved. 
- *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
- * 2. Redistributions in binary form must reproduce the above copyright 
- *    notice, this list of conditions and the following disclaimer in the 
- *    documentation and/or other materials provided with the distribution. 
- * 3. Neither the name of the Institute nor the names of its contributors 
- *    may be used to endorse or promote products derived from this software 
- *    without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
- * SUCH DAMAGE. 
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- * $Id: lib.h,v 1.2 2002/12/19 10:37:08 jani Exp $
- */
-#ifndef __LIB_H__
-#define __LIB_H__
-
-
-#endif /* __LIB_H__ */

src/arch/c16x/include/arch/perf.h

@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2001, Swedish Institute of Computer Science.
- * All rights reserved. 
- *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
- * 2. Redistributions in binary form must reproduce the above copyright 
- *    notice, this list of conditions and the following disclaimer in the 
- *    documentation and/or other materials provided with the distribution. 
- * 3. Neither the name of the Institute nor the names of its contributors 
- *    may be used to endorse or promote products derived from this software 
- *    without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
- * SUCH DAMAGE. 
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- * $Id: perf.h,v 1.1 2002/11/29 11:03:34 likewise Exp $
- */
-#ifndef __PERF_H__
-#define __PERF_H__
-
-#define PERF_START    /* null definition */
-#define PERF_STOP(x)  /* null definition */
-
-#endif /* __PERF_H__ */

src/arch/c16x/include/arch/sys_arch.h

@@ -1,15 +0,0 @@
-#ifndef __SYS_ARCH_H__
-#define __SYS_ARCH_H__
-
-#define SEMA int
-#define QUEUE int
-#define TASK int
-
-#define SYS_MBOX_NULL (QUEUE)0
-#define SYS_SEM_NULL  (SEMA)0
-
-typedef SEMA sys_sem_t;
-typedef QUEUE sys_mbox_t;
-typedef TASK sys_thread_t;
-
-#endif /* __SYS_ARCH_H__ */

src/arch/c16x/include/netif/cs8900if.h

@@ -1,79 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Leon Woestenberg <leon.woestenberg@axon.tv>
- * Copyright (c) 2001-2003 Axon Digital Design B.V., The Netherlands.
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Leon Woestenberg <leon.woestenberg@axon.tv>
- *
- * This is a device driver for the Crystal Semiconductor CS8900
- * chip in combination with the lwIP stack.
- *
- * This is work under development. Please coordinate changes
- * and requests with Leon Woestenberg <leon.woestenberg@axon.tv>
- *
- * The Swedish Institute of Computer Science and Adam Dunkels
- * are specifically granted permission to redistribute this
- * source code under any conditions they seem fit.
- *
- */
-#ifndef __NETIF_CS8900IF_H__
-#define __NETIF_CS8900IF_H__
-
-#include "lwip/netif.h"
-
-/* interface statistics gathering
- * such as collisions, dropped packets, missed packets
- * 0 = no statistics, minimal memory requirements, no overhead 
- * 1 = statistics on, but some have large granularity (0x200), very low overhead
- * 2 = statistics on, updated on every call to cs8900_service(), low overhead
- */
-#define CS8900_STATS 2
-
-struct cs8900if
-{
-  //struct eth_addr *ethaddr;
-  u8_t needs_service;
-  u8_t use_polling;
-#if (CS8900_STATS > 0)
-  u32_t interrupts; // #interrupt requests of cs8900
-  u32_t missed; // #packets on medium that could not enter cs8900a chip due to buffer shortage
-  u32_t dropped; // #packets dropped after they have been received in chip buffer
-  u32_t collisions; // #collisions on medium when transmitting packets 
-  u32_t sentpackets; // #number of sent packets
-  u32_t sentbytes; // #number of sent bytes
-#endif
-  /* Add whatever per-interface state that is needed here. */
-};
-
-void cs8900if_init(struct netif *);
-void cs8900if_service(struct netif *);
-void cs8900if_input(struct netif *netif);
-err_t cs8900if_output(struct netif *netif, struct pbuf *p, struct ip_addr *ipaddr);
-
-void cs8900_send_debug(unsigned char *p, unsigned int len);
-
-#endif /* __NETIF_CS8900IF_H__ */

src/arch/c16x/lib.c

@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2001, Swedish Institute of Computer Science.
- * All rights reserved. 
- *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
- * 2. Redistributions in binary form must reproduce the above copyright 
- *    notice, this list of conditions and the following disclaimer in the 
- *    documentation and/or other materials provided with the distribution. 
- * 3. Neither the name of the Institute nor the names of its contributors 
- *    may be used to endorse or promote products derived from this software 
- *    without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
- * SUCH DAMAGE. 
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- * $Id: lib.c,v 1.2 2002/12/19 10:37:07 jani Exp $
- */
-
-/* These are generic implementations of various library functions used
- * throughout the lwIP code. When porting, those should be optimized
- * for the particular processor architecture, preferably coded in
- * assembler.
- */
-
-#include "lwip/arch.h"
-
-#if BYTE_ORDER == LITTLE_ENDIAN
-/*-----------------------------------------------------------------------------------*/
-u16_t
-htons(u16_t n)
-{
-  return ((n & 0xff) << 8) | ((n & 0xff00) >> 8);
-}
-/*-----------------------------------------------------------------------------------*/
-u16_t
-ntohs(u16_t n)
-{
-  return htons(n);
-}
-/*-----------------------------------------------------------------------------------*/
-u32_t
-htonl(u32_t n)
-{
-  return ((n & 0xff) << 24) |
-    ((n & 0xff00) << 8) |
-    ((n & 0xff0000) >> 8) |
-    ((n & 0xff000000) >> 24);
-}
-/*-----------------------------------------------------------------------------------*/
-u32_t
-ntohl(u32_t n)
-{
-  return htonl(n);
-}
-/*-----------------------------------------------------------------------------------*/
-#endif /* BYTE_ORDER == LITTLE_ENDIAN */

src/arch/c16x/netif/cs8900if.c

@@ -1,844 +0,0 @@
-/** @file
-/*
- * Copyright (c) 2001, 2002 Leon Woestenberg <leon.woestenberg@axon.tv>
- * Copyright (c) 2001, 2002 Axon Digital Design B.V., The Netherlands.
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Leon Woestenberg <leon.woestenberg@axon.tv>
- *
- * This is a device driver for the Crystal Semiconductor CS8900
- * chip in combination with the lwIP stack.
- *
- * This is work under development. Please coordinate changes
- * and requests with Leon Woestenberg <leon.woestenberg@axon.tv>
- *
- * The Swedish Institute of Computer Science and Adam Dunkels
- * are specifically granted permission to redistribute this
- * source code under any conditions they seem fit.
- *
- * A quick function roadmap:
- *
- * cs8900_*() are low level, cs8900 hardware specific functions.
- * These are declared static in the device driver source and
- * SHOULD NOT need to be called from outside this source.
- *
- * cs8900if_*() are the lwIP network interface functions.
- * 
- * cs8900_interrupt() is an early interrupt service routine (ISR).
- * It merely sets a flag to indicate the cs8900 needs servicing.
- * (This function MAY be tied to an interrupt vector, IF present).
- *
- * cs8900_service() is the actual interrupt event service routine.
- * It must be called whenever the cs8900 needs servicing. It MAY
- * be polled safely (so, you do NOT NEED interrupt support.)
- *
- * cs8900_init() sets up the cs8900, using its register set. When
- * using the driver on your particular hardware platform, make sure
- * the register setups match.
- * Function is called from cs8900if_init().
- *
- * cs8900_input() transfers a received packet from the chip.
- * Function is called from cs8900if_input().
- *
- * cs8900_output() transfers a packet to the chip for transmission.
- * Function is called from cs8900if_output().
- *
- * cs8900if_init() initializes the lwIP network interface, and
- * calls cs8900_init() to initialize the hardware.
- * Function is called from lwIP.
- * 
- * cs8900if_service() is the service routine, which must be called
- * upon the need for service, or on a regular basis, in order to
- * service the Ethernet chip.
- *
- * cs8900if_input() calls cs8900_input() to get a received packet
- * and then forwards the packet to protocol(s) handler(s).
- * Function is called from cs8900_service().
- *
- * cs8900if_output() resolves the hardware address, then
- * calls cs8900_output() to transfer the packet.
- * Function is called from lwIP.
- *
- * Future development:
- * 
- * Split the generic Ethernet functionality (a lot of the
- * cs8900if_*() functions) and the actual cs8900a dependencies.
- *
- * Enhance the interrupt handler to service the Ethernet
- * chip (to decrease latency); support early packet
- * inspection (during reception) to early drop unwanted
- * packets, minimize chip buffer use and maximize throughput.
- *
- * Statistics gathering, currently under development.
- * SNMP support, currently under development.
- *
- */
-
-#include "lwip/debug.h"
-
-#include "lwip/opt.h"
-#include "lwip/def.h"
-#include "lwip/mem.h"
-#include "lwip/pbuf.h"
-#include "lwip/stats.h"
-#include "lwip/sys.h"
-#include "netif/etharp.h"
-
-#if 0
-// include some debugging help
-#  define DBG_LEVEL 1
-#  include "leds.h"
-#  include "display.h"
-//#  include "page.h"
-#  define LED_NEED_SERVICE LED_FP1
-#else
-// no debugging
-#  define leds_on()
-#  define leds_off()
-#endif
-
-#include "cs8900if.h"
-#if LWIP_SNMP > 0
-#  include "snmp.h"
-#endif
-
-// Define those to better describe your network interface
-#define IFNAME0 'e'
-#define IFNAME1 'n'
-
-static const struct eth_addr ethbroadcast = {{0xffU,0xffU,0xffU,0xffU,0xffU,0xffU}};
-
-// Forward declarations
-static err_t cs8900_output(struct netif *netif, struct pbuf *p);
-static struct pbuf *cs8900_input(struct netif *netif);
-static void cs8900_service(struct netif *netif);
-static u32_t cs8900_chksum(void *dataptr, int len);
-
-// Define these to match your hardware setup
-#define MEM_BASE 0x00E000
-#define IO_BASE 0x800
-#define INT_NR 0x00
-
-#define RXTXREG  *((volatile u16_t *)(MEM_BASE + IO_BASE))
-#define TXCMD    *((volatile u16_t *)(MEM_BASE + IO_BASE + 0x04))
-#define TXLENGTH *((volatile u16_t *)(MEM_BASE + IO_BASE + 0x06))
-#define ISQ      *((volatile u16_t *)(MEM_BASE + IO_BASE + 0x08))
-#define PACKETPP *((volatile u16_t *)(MEM_BASE + IO_BASE + 0x0A))
-#define PPDATA   *((volatile u16_t *)(MEM_BASE + IO_BASE + 0x0C))
-
-// CS8900 PacketPage register offsets 
-#define  CS_PP_EISA        0x0000          // EISA Registration number of CS8900
-#define  CS_PP_PRODID      0x0002          // Product ID Number
-#define  CS_PP_IOBASE      0x0020          // I/O Base Address
-#define  CS_PP_INTNUM      0x0022          // Interrupt number (0,1,2, or 3)
-#define  CS_PP_RXCFG       0x0102          // Receiver Configuration
-#define  CS_PP_RXCTL       0x0104          // Receiver Control
-#define  CS_PP_TXCFG       0x0106          // Transmit Configuration
-#define  CS_PP_BUFCFG      0x010A          // Buffer Configuration
-#define  CS_PP_LINECTL     0x0112          // Line Control Register offset
-#define  CS_PP_SELFCTL     0x0114          // Self Control
-#define  CS_PP_BUSCTL      0x0116          // Bus Control
-#define  CS_PP_TESTCTL     0x0118          // Test Control
-#define  CS_PP_ISQ         0x0120          // Interrupt status queue
-#define  CS_PP_RXEVENT     0x0124          // Receiver Event
-#define  CS_PP_TX_EVENT    0x0128          // Transmitter Event
-#define  CS_PP_BUF_EVENT   0x012C          // Buffer Event
-#define  CS_PP_RXMISS      0x0130          // Receiver Miss Counter
-#define  CS_PP_TXCOL       0x0132          // Transmit Collision Counter
-#define  CS_PP_LINESTATUS  0x0134          // Line Status
-#define  CS_PP_SELFTEST    0x0136          // Self Status
-#define  CS_PP_BUSSTATUS   0x0138          // Bus Status
-#define  CS_PP_TXCMD       0x0144          // Transmit Command Request
-#define  CS_PP_TXLEN       0x0146          // Transmit Length
-#define  CS_PP_IA1         0x0158          // Individual Address (IA)
-#define  CS_PP_IA2         0x015A          // Individual Address (IA)
-#define  CS_PP_IA3         0x015C          // Individual Address (IA)
-
-#define  CS_PP_RXSTATUS    0x0400          // Receive Status
-#define  CS_PP_RXLEN       0x0402          // Receive Length
-#define  CS_PP_RXFRAME     0x0404          // Receive Frame Location
-#define  CS_PP_TXFRAME     0x0A00          // Transmit Frame Location
-
-
-// removed interrupt from library
-#if 0
-// hardware interrupt vector handler 
-_interrupt(0x18) void cs8900_interrupt(void)
-{
-  struct cs8900if *cs8900if = cs8900if_netif->state;
-  // network interface is configured?
-  if (cs8900if != NULL)
-  {
-    // chip needs service
-    cs8900if->needs_service = 1;
-#if (CS8900_STATS > 0)
-    cs8900if->interrupts++;
-#endif
-  }
-#ifdef LED_NEED_SERVICE
-  leds_on(LED_NEED_SERVICE);
-#endif
-}
-#endif
-
-// cs8900_init()
-//
-// initializes the CS8900A chip
-//
-static void cs8900_init(struct netif *netif)
-{
-#ifdef LED_NEED_SERVICE
-  leds_off(LED_NEED_SERVICE);
-#endif
-
-  // set RESET bit
-  PACKETPP = CS_PP_SELFCTL;
-  PPDATA = 0x0055U;
-
-  // { the RESET bit will be cleared by the cs8900a
-  //   as a result of the reset }
-  // RESET bit cleared?
-  while((PPDATA & 0x0040U) != 0); // TODO: add timeout
-
-  // { after full initialization of the cs8900a
-  //   the INITD bit will be set }
-
-  PACKETPP = CS_PP_SELFTEST;
-  // INITD bit still clear?
-  while ((PPDATA & 0x0080U) == 0); // TODO: add timeout
-  // { INITD bit is set }
-
-  // SIBUSY bit still set?
-  while ((PPDATA & 0x0100U) == 0x0100); // TODO: add timeout
-  // { SIBUSY bit clear }
-
-#if 1
-  { 
-  u16_t dummy;
-  // datasheet section 3.3.3 
-  dummy = *(u16_t *)(MEM_BASE + IO_BASE + 0x0D);
-  // Dummy read, put chip in 16-bit mode
-  dummy = *(u16_t *)(MEM_BASE + IO_BASE + 0x0D);
-  }
-#endif
-
-  // Set MAC address
-  PACKETPP = CS_PP_IA1;
-  PPDATA = (u16_t)(netif->hwaddr[0]) | (u16_t)(netif->hwaddr[1] << 8U);
-  PACKETPP = CS_PP_IA2;
-  PPDATA = (u16_t)(netif->hwaddr[2]) | (u16_t)(netif->hwaddr[3] << 8U);
-  PACKETPP = CS_PP_IA3;
-  PPDATA = (u16_t)(netif->hwaddr[4]) | (u16_t)(netif->hwaddr[5] << 8U);
-
-  // accept valid unicast or broadcast frames
-  PACKETPP = CS_PP_RXCTL;
-  PPDATA = (0x0005U | 0x0800U/*broadcast*/ | 0x0400U/*individual*/ | 0x0100U/*RxOK*/);
- 
-  // enable receive interrupt
-  PACKETPP = CS_PP_RXCFG;
-  PPDATA = (0x0003U | 0x0100U/*RXIRQ*/);
-
-  // disable transmit interrupt (is default)
-  PACKETPP = CS_PP_TXCFG;
-  PPDATA = (0x0007U | 0);
-
-  // use interrupt number 0
-  PACKETPP = CS_PP_INTNUM;
-  PPDATA = (0x0000U);
-
-  // generate interrupt event on:
-  // - the RxMISS counter reaches 0x200, or
-  // - a received frame is lost
-  PACKETPP = CS_PP_BUFCFG;
-  PPDATA = (0x000bU |
-#if (CS8900_STATS > 0) // interrupt before counter overflow 
-  (0x2000U/*MissOvfloiE*/ | 0x1000U/*TxColOvfloiE*/) |
-#endif
-#if (CS8900_STATS > 1) // interrupt on counter increment
-  (0x0400U/*RxMissiE*/) |
-#endif
-  0x0000);
-
-  // enable interrupt generation
-  PACKETPP = CS_PP_BUSCTL;
-  PPDATA = (0x0017U | 0x8000U/*EnableIRQ*/);
-
-  // enable:
-  // - receiver
-  // - transmitter
-  PACKETPP = CS_PP_LINECTL;
-  PPDATA = (0x0013U | 0x0080U/*SerTxOn*/ | 0x0040U/*SerRxOn*/);
-}
-
-static err_t cs8900_output(struct netif *netif, struct pbuf *p)
-{
-	int tries = 0;
-
-  // exit if link has failed
-  PACKETPP = CS_PP_LINESTATUS;
-  if ((PPDATA & 0x0080U/*LinkOK*/) == 0) return ERR_CONN; // no Ethernet link
-
-  /* issue 'transmit' command to CS8900 */
-  TXCMD = 0x00C9U;
-  /* send length (in bytes) of packet to send */
-  TXLENGTH = p->tot_len;
-
-  PACKETPP = CS_PP_BUSSTATUS;
-  // not ready for transmission and still within 100 retries?
-  while(((PPDATA & 0x0100U/*Rdy4TxNOW*/) == 0) && (tries++ < 100))
-  {
-    // throw away the last committed received frame
-    PACKETPP = CS_PP_RXCFG;
-    PPDATA = (0x0003U | 0x0040U/*Skip_1*/ | 0x0100U/*RxOKiE*/);
-    PACKETPP = CS_PP_BUSSTATUS;
-    /* cs8900if->dropped++; // CHECK: we do not know if we actually will drop a frame here */ 
-  }
-  // ready to transmit?
-  if((PPDATA & 0x0100U/*Rdy4TxNOW*/) != 0)
-  {
-    // q traverses through linked list of pbuf's
-    struct pbuf *q;
-    for(q = p; q != NULL; q = q->next)
-    {
-      u16_t i;
-      u16_t *ptr = (u16_t *)q->payload;
-      // Send the data from the pbuf to the interface, one pbuf at a
-      // time. The size of the data in each pbuf is kept in the ->len
-      // variable.
-      for(i = 0; i < q->len; i += 2)
-      {
-        RXTXREG = *ptr++;
-      }
-#if (CS8900_STATS > 0)
-      ((struct cs8900if *)netif->state)->sentbytes += q->len;
-#endif
-#if LWIP_SNMP > 0
-    snmp_add_ifoutoctets(p->tot_len);
-#endif
-#if (CS8900_STATS > 0)
-    ((struct cs8900if *)netif->state)->sentpackets++;
-#endif
-    }
-  }
-  else
-  {
-    // { not ready to transmit!? }
-#if LWIP_SNMP > 0
-    snmp_inc_ifoutdiscards();
-#endif
-  }
-  return ERR_OK;
-}
-
-/**
- * Move a received packet from the cs8900 into a new pbuf.
- *
- * Must be called after reading an ISQ event containing the
- * "Receiver Event" register, before reading new ISQ events.
- *
- * This function copies a frame from the CS8900A.
- * It is designed failsafe:
- * - It does not assume a frame is actually present.
- * - It checks for non-zero length
- * - It does not overflow the frame buffer
- */
-static struct pbuf *cs8900_input(struct netif *netif)
-{
-  struct pbuf *p = NULL, *q = NULL;
-  u16_t len = 0;
-  u16_t event_type;
-  u16_t i;
-  u16_t *ptr = NULL;
-
-  // read RxStatus
-  event_type = RXTXREG;
-
-  // correctly received frame, either broadcast or individual address?
-  // TODO: maybe defer these conditions to cs8900_input()
-  if ((event_type & 0x0100U/*RxOK*/) && (event_type & 0x0c00U/*Broadcast | Individual*/))
-  {
-#if LWIP_SNMP > 0
-    // update number of received MAC-unicast and non-MAC-unicast packets
-    if (event_type & 0x0400U/*Individual*/)
-    {
-      snmp_inc_ifinucastpkts();
-    }
-    else
-    {
-      snmp_inc_ifinnucastpkts();
-    }
-#endif
-    event_type = 0; 
-    // read RxLength
-    len = RXTXREG;
-    DEBUGF(NETIF_DEBUG, ("cs8900_input: packet len %u\n", len));
-#if LWIP_SNMP > 0    
-    snmp_add_ifinoctets(len);
-#endif
-    // positive length?
-    if (len > 0)
-    {
-      // allocate a pbuf chain with total length 'len' 
-      p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
-      if (p != 0)
-      {
-        for (q = p; q != 0; q = q->next)
-	      {
-          DEBUGF(NETIF_DEBUG, ("cs8900_input: pbuf @%p len %u\n", q, q->len));
-	        ptr = q->payload;
-          // TODO: CHECK: what if q->len is odd? we don't use the last byte?
-	        for (i = 0; i < (q->len + 1) / 2; i++)
-      	  {
-	          *ptr = RXTXREG;
-	          ptr++;
-      	  }
-      	}
-      }
-      // could not allocate a pbuf
-      else
-      {
-        // skip received frame
-        // TODO: maybe do not skip the frame at this point in time?
-        PACKETPP = CS_PP_RXCFG;
-        PPDATA = (0x0003U | 0x0100U/*RxOKiE*/ | 0x0040U/*Skip_1*/);
-#if (CS8900_STATS > 0)
-        ((struct cs8900if *)netif->state)->dropped++;
-#endif
-#if LWIP_SNMP > 0    
-        snmp_inc_ifindiscards();
-#endif
-        len = 0;
-      }
-    }
-    // length was zero
-    else
-    {
-    }
-  }
-  return p;
-}
-
-
-/**
- * To be called when the cs8900a needs service. Does
- * not assume the cs8900a needs service. Does test the
- * cs8900a whether it needs service. 
- *
- * As such, may be used robustly called as a deferred
- * (or "late") interrupt handler, or may be called in
- * a loop to implement polling, or both.
- *
- * Use cs8900if_service() from your application instead
- * of this function. 
- */
- 
-static void cs8900_service(struct netif *netif)
-{
-  // amount of ISQ's to handle (> 0) in one cs8900_service() call
-  unsigned char events2service = 1;
-  // NOTES:
-  // static, so only initialized to zero at program start.
-  // irq_status will always hold the last ISQ event register that
-  // still needs service. As such, we may leave this function if
-  // we encounter an event we cannot service yet, and return later
-  // to try to service it.
-  static u16_t irq_status = 0x0000U;
-
-  // The "cs8900_needs_service" flag indicates whether any events
-  // still need to be serviced.
-  // clear flag here. 
-  // a receive interrupt can, *concurrently with this function*,
-  // set this flag on new ISQ event occurences.
-  // we will re-evaluate the correct setting of this flag at
-  // function exit (below).
-  ((struct cs8900if *)netif->state)->needs_service = 0;
-#ifdef LED_NEED_SERVICE
-  leds_off(LED_NEED_SERVICE);
-#endif
-  // no unhandled irq_status left?
-  if (irq_status == 0x0000U)
-  {
-    // read ISQ register
-    irq_status = ISQ;
-  }
-  // ISQ interrupt event, and allowed to service in this loop?
-  while ((irq_status != 0x0000U) && (events2service-- > 0))
-  {
-    // investigate event
-    if ((irq_status & 0x003fU) == 0x0004U/*Receiver Event*/)
-    {
-      // correctly received frame, either broadcast or individual address
-      // TODO: think where these checks should appear: here or in cs8900_input()
-      if ((irq_status & 0x0100U/*RxOK*/) && (irq_status & 0x0c00U/*Broadcast | Individual*/))
-      {
-        // read the frame from the cs8900a
-        cs8900if_input(netif);
-      }
-      else
-      {
-        // skip this frame
-        PACKETPP = CS_PP_RXCFG;
-        PPDATA |= 0x0040U/*Skip_1*/;
-#if (CS8900_STATS > 0)
-        ((struct cs8900if *)netif->state)->dropped++;
-#endif
-      }
-    }
-#if (CS8900_STATS > 0)
-    else if ((irq_status & 0x003fU) == 0x0010U/*RxMISS Event*/)
-    {
-  	  ((struct cs8900if *)netif->state)->missed += (irq_status >> 6);
-  	}
-    else if ((irq_status & 0x003fU) == 0x0012U/*TxCOL Event*/)
-    {
-  	  ((struct cs8900if *)netif->state)->collisions += (irq_status >> 6);
-  	}
-#endif
-    // read ISQ register
-    irq_status = ISQ;
-  }
-
-  // we did not deplete the ISQ?
-  if (irq_status != 0x0000U)
-  {
-    // the cs8900a still needs service
-    ((struct cs8900if *)netif->state)->needs_service = 1;
-#ifdef LED_NEED_SERVICE
-    leds_on(LED_NEED_SERVICE);
-#endif
-  }
-#if (CS8900_STATS > 1)
-  // read RxMiss Counter (zeroes itself upon read)
-  PACKETPP = CS_PP_RXMISS;
-  ((struct cs8900if *)netif->state)->missed += (PPDATA >> 6);
-  // read RxCol Counter (zeroes itself upon read)
-  PACKETPP = CS_PP_TXCOL;
-  ((struct cs8900if *)netif->state)->collisions += (PPDATA >> 6);
-#endif
-}
-
-/**
- * Service the CS8900.
- *
- * Can be called in a polling manner, or only after the CS8900 has raised
- * an interrupt request.
- *
- * @param netif The lwIP network interface data structure belonging to this device.
- *
- */
-void cs8900if_service(struct netif *netif)
-{
-  // is there a reason to call the service routine?
-  if ((((struct cs8900if *)netif->state)->needs_service) ||
-      (((struct cs8900if *)netif->state)->use_polling))
-  {
-    cs8900_service(netif);
-  }
-}
-
-/**
- * Writing an IP packet (to be transmitted) to the CS8900.
- *
- * Before writing a frame to the CS8900, the ARP module is asked to resolve the
- * Ethernet MAC address. The ARP module might undertake actions to resolve the
- * address first, and queue this packet for later transmission.
- *
- * @param netif The lwIP network interface data structure belonging to this device.
- * @param p pbuf to be transmitted (or the first pbuf of a chained list of pbufs).
- * @param ipaddr destination IP address.
- *
- * @internal It uses the function cs8900_input() that should handle the actual
- * reception of bytes from the network interface.
- *
- */
-err_t cs8900if_output(struct netif *netif, struct pbuf *p, struct ip_addr *ipaddr)
-{
-  struct cs8900if *cs8900if = netif->state;
-  p = etharp_output(netif, ipaddr, p);
-  /* network hardware address obtained? */
-  if (p != NULL)
-  {
-	  /* send out the packet */
-    cs8900_output(netif, p);
-    p = NULL;
-  }
-  // { p == NULL }
-	else
-	{
-	  /* we cannot tell if the packet was sent, the packet could have been queued */
-    /* on an ARP entry that was already pending. */
-	}
-  return ERR_OK;
-}
-/**
- * Read a received packet from the CS8900.
- *
- * This function should be called when a packet is received by the CS8900
- * and is fully available to read. It moves the received packet to a pbuf
- * which is forwarded to the IP network layer or ARP module. It transmits
- * a resulting ARP reply or queued packet.
- *
- * @param netif The lwIP network interface to read from.
- *
- * @internal Uses cs8900_input() to move the packet from the CS8900 to a
- * newly allocated pbuf.
- *
- */
-void cs8900if_input(struct netif *netif)
-{
-  struct cs8900if *cs8900if = netif->state;
-  struct eth_hdr *ethhdr = NULL;
-  struct pbuf *p = NULL, *q = NULL;
-
-  /* move received packet into a new pbuf */
-  p = cs8900_input(netif);
-  /* no packet could be read */
-  if (p == NULL) {
-    /* silently ignore this */
-    return;
-  }
-  /* points to packet payload, which starts with an Ethernet header */
-  ethhdr = p->payload;
-  
-  q = NULL;
-  switch(htons(ethhdr->type)) {
-  /* IP packet? */
-  case ETHTYPE_IP:
-    /* update ARP table, obtain first queued packet */
-    q = etharp_ip_input(netif, p);
-    /* skip Ethernet header */
-    pbuf_header(p, -14);
-    /* pass to network layer */
-    netif->input(p, netif);
-    break;
-  /* ARP packet? */
-  case ETHTYPE_ARP:
-    /* pass p to ARP module, get ARP reply or ARP queued packet */
-    q = etharp_arp_input(netif, (struct eth_addr *)&netif->hwaddr, p);
-    break;
-  /* unsupported Ethernet packet type */
-  default:
-    /* free pbuf */
-    pbuf_free(p);
-    p = NULL;
-    break;
-  }
-  /* send out the ARP reply or ARP queued packet */
-  if (q != NULL) {
-    /* q pbuf has been succesfully sent? */
-    if (cs8900_output(netif, q) == ERR_OK)
-    {
-      pbuf_free(q);
-      q = NULL;
-    }
-    else
-    {
-      /* TODO: re-queue packet in the ARP cache here (?) */
-      pbuf_free(q);
-      q = NULL;
-    }
-  }
-}
-/**
- * Initialize the CS8900 Ethernet MAC/PHY device driver.
- *
- * @param netif The lwIP network interface data structure belonging to this device.
- *
- */
-void cs8900if_init(struct netif *netif)
-{
-  struct cs8900if *cs8900if;
-
-  cs8900if = mem_malloc(sizeof(struct cs8900if));
-	if(cs8900if == NULL) return;
-
-  // initialize lwip network interface
-  netif->name[0] = IFNAME0;
-  netif->name[1] = IFNAME1;
-  netif->output = cs8900if_output;
-  netif->linkoutput = cs8900_output;
-
-  // initialize cs8900 specific interface structure
-  netif->state = cs8900if;
-
-  // initially assume no ISQ event
-  cs8900if->needs_service = 0;
-  // set to 1 if polling method is used
-  cs8900if->use_polling = 0;
-
-#if (CS8900_STATS > 0)
-  // number of interrupt service routine calls
-  cs8900if->interrupts = 0;
-  cs8900if->missed = 0;
-  cs8900if->dropped = 0;
-  cs8900if->sentpackets = 0;
-  cs8900if->sentbytes = 0;
-#endif
-
-  // intialize the cs8900a chip
-  cs8900_init(netif);
-}
-
-#if 1 
-/**
- * Dump an array of bytes inside a UDP message's data field.
- *
- * It is a self-contained function, independent of higher protocol layers or other
- * functions, so it allows you to debug these higher layers, such as lwIP.
- *
- * @param p pointer to an array of bytes, at least with length 'len'
- * @param len number of bytes available at the address pointed to by 'p'
- */
-void cs8900_send_debug(unsigned char *p, unsigned int len)
-{
-	int tries = 0, i;
-
-  // network interface state
-  extern struct netif *ethif;
-
-  // exit if link has failed
-  PACKETPP = CS_PP_LINESTATUS;
-  if ((PPDATA & 0x0080U/*LinkOK*/) == 0) return; // TODO: find a correct error code
-
-  // transmit command
-  TXCMD = 0x00C9U;
-	// send at least 60 bytes
-  TXLENGTH = (14 + 20 + 8 + len < 60) ? 60 : (14 + 20 + 8 + len);
-
-  PACKETPP = CS_PP_BUSSTATUS;
-  // not ready for transmission and still within 100 retries?
-  while (((PPDATA & 0x0100U/*Rdy4TxNOW*/) == 0) && (tries++ < 100))
-  {
-    // throw away the last committed received frame
-    PACKETPP = CS_PP_RXCFG;
-    PPDATA = (0x0003U | 0x0040U/*Skip_1*/ | 0x0100U/*RxOKiE*/);
-    PACKETPP = CS_PP_BUSSTATUS;
-    /* cs8900if->dropped++; CHECK: we do not know if we actually will drop a frame here, do we? */ 
-  }
-  // ready to transmit?
-  if((PPDATA & 0x0100U/*Rdy4TxNOW*/) != 0)
-  { 
-    u16_t data, checksum = 0;
-    u32_t udp_checksum = 0;
-                     
-    // destination Ethernet address
-    RXTXREG = 0xa000U; 
-    RXTXREG = 0xc524U; 
-    RXTXREG = 0x6d72U; 
-    // source Ethernet address
-    RXTXREG = htons(((u16_t)ethif->hwaddr[0] << 8U) | (u16_t)ethif->hwaddr[1]); 
-    RXTXREG = htons(((u16_t)ethif->hwaddr[2] << 8U) | (u16_t)ethif->hwaddr[3]); 
-    RXTXREG = htons(((u16_t)ethif->hwaddr[4] << 8U) | (u16_t)ethif->hwaddr[5]);
-    // frame type
-    RXTXREG = htons(0x0800);
-    // TOS, version
-    RXTXREG = htons(data = ((0x40 | 0x05) << 8) | 0x00); 
-    checksum += data;
-    // length
-    RXTXREG = htons(data = 20 + 8 + len); 
-    checksum += data;
-    // identifier
-    RXTXREG = htons(data = 0); 
-    checksum += data;
-    // fragment offset
-    RXTXREG = htons(data = 0); 
-    checksum += data;
-    // TTL, UDP protocol
-    RXTXREG = htons(data = (255U << 8) | 17U); 
-    checksum += data;
-
-    checksum += (htonl(ethif->ip_addr.addr) & 0xffff0000U) >> 16;
-    checksum += (htonl(ethif->ip_addr.addr) & 0x0000ffffU);
-    checksum += 0xc0a8U;
-    checksum += 0x0001U;
-    checksum += 6; // LW: kludge/hack: checksum calculation seems to be wrong somehow
-    // LW: this seems (?) to fix it
-    // checksum
-    RXTXREG = htons(~checksum); 
-
-    // source IP
-    RXTXREG = htons((htonl(ethif->ip_addr.addr) & 0xffff0000U) >> 16); 
-    // source IP           
-    RXTXREG = htons( htonl(ethif->ip_addr.addr) & 0x0000ffffU); 
-    // destination IP
-    RXTXREG = htons(0xc0a8U); 
-    // destination IP
-    RXTXREG = htons(0x0001U); 
-    // source port 3000
-    RXTXREG = htons(3000U); 
-    // destination port 3000
-    RXTXREG = htons(3000U); 
-    // UDP length
-    RXTXREG = htons(len); 
-    // UDP checksum (not present)
-
-    udp_checksum =  (htonl(ethif->ip_addr.addr) & 0xffff0000U) >> 16;
-    udp_checksum += (htonl(ethif->ip_addr.addr) & 0x0000ffffU);
-    udp_checksum += 0xc0a8U;
-    udp_checksum += 0x0001U;
-    udp_checksum += 0x0011U;
-    udp_checksum += (8 + len);
-    udp_checksum += 3000;
-    udp_checksum += 3000;
-    udp_checksum += (8 + len);
-    udp_checksum += cs8900_chksum(p, len);
-    while(udp_checksum >> 16) {
-      udp_checksum = (udp_checksum & 0xffffUL) + (udp_checksum >> 16);
-    }    
-
-    RXTXREG = htons(~(udp_checksum & 0xffff));
-	  // UDP data
-    for (i = 0; i < len; i += 2)
-    {
-      RXTXREG = htons((p[i] << 8) | p[i + 1]);
-    } 
-	  // pad to 60 bytes
-	  while (i < 60)
-	  {
-      RXTXREG = 0;
-	    i += 2;
-	  }
-  }
-}
-
-static u32_t cs8900_chksum(void *dataptr, int len)
-{
-  u32_t acc = 0;
-  u16_t *ptr = (u16_t *)dataptr;
-    
-  for(acc = 0; len > 1; len -= 2) {
-    acc += *ptr;
-    ptr++;
-  }
-  /* add up any odd byte */
-  if(len == 1) {
-    acc += htons((u16_t)((*(u8_t *)ptr) & 0xffU) << 8);
-  }
-  return acc;
-}
-
-#endif

src/arch/c16x/perf.c

@@ -1,42 +0,0 @@
-/*
- * Copyright (c) 2001, Swedish Institute of Computer Science.
- * All rights reserved. 
- *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
- * 2. Redistributions in binary form must reproduce the above copyright 
- *    notice, this list of conditions and the following disclaimer in the 
- *    documentation and/or other materials provided with the distribution. 
- * 3. Neither the name of the Institute nor the names of its contributors 
- *    may be used to endorse or promote products derived from this software 
- *    without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
- * SUCH DAMAGE. 
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- * $Id: perf.c,v 1.1 2002/11/29 11:03:34 likewise Exp $
- */
-
-#include "arch/perf.h"
-
-void
-perf_init(char *fname)
-{
-  if (fname); // LEON: prevent warning
-}

src/arch/c16x/sys_arch.c

@@ -1,137 +0,0 @@
-/*
- * Copyright (c) 2001, Swedish Institute of Computer Science.
- * All rights reserved. 
- *
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
- * are met: 
- * 1. Redistributions of source code must retain the above copyright 
- *    notice, this list of conditions and the following disclaimer. 
- * 2. Redistributions in binary form must reproduce the above copyright 
- *    notice, this list of conditions and the following disclaimer in the 
- *    documentation and/or other materials provided with the distribution. 
- * 3. Neither the name of the Institute nor the names of its contributors 
- *    may be used to endorse or promote products derived from this software 
- *    without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
- * SUCH DAMAGE. 
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- * $Id: sys_arch.c,v 1.1 2002/11/29 11:03:34 likewise Exp $
- */
-
-#include "lwip/def.h"
-#include "lwip/sys.h"
-#include "lwip/mem.h"
-
-//#include "timers.h"
-
-static struct sys_timeouts timeouts;
-
-/*-----------------------------------------------------------------------------------*/
-sys_mbox_t
-sys_mbox_new(void)
-{
-  return SYS_MBOX_NULL;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_mbox_free(sys_mbox_t mbox)
-{
-  if (mbox); // LEON: prevent warning
-  return;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_mbox_post(sys_mbox_t mbox, void *data)
-{
-  if (mbox); // LEON: prevent warning
-  if (data); // LEON: prevent warning
-  return;
-}
-
-u16_t
-sys_arch_mbox_fetch(sys_mbox_t mbox, void **msg, u16_t timeout)
-{
-  if (mbox); // LEON: prevent warning
-  if (msg); // LEON: prevent warning
-  if (timeout); // LEON: prevent warning
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-sys_sem_t
-sys_sem_new(u8_t count)
-{
-  if (count);
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-u16_t
-sys_arch_sem_wait(sys_sem_t sem, u16_t timeout)
-{
-  if (sem);
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_sem_signal(sys_sem_t sem)
-{
-  if (sem);
-  return;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_sem_free(sys_sem_t sem)
-{
-  if (sem);
-  return;
-}
-
-void
-sys_init(void)
-{
-  timeouts.next = NULL;
-  return;
-}
-
-struct sys_timeouts *
-sys_arch_timeouts(void)
-{
-  return &timeouts;
-}
-
-u8_t			
-sys_timeout_u32_t(u32_t msecs, sys_timeout_handler h, void *data) // LEON: arg 1 was unsigned int
-{
-  return 0;
-  // WAS: return timer_obtain(msecs, h, data);
-  // RE-ENABLE IF DHCP_TIMER_CALLBACKS
-#if DHCP_TIMER_CALLBACKS
-#error DHCP_TIMER_CALLBACKS not supported!
-#endif
-}
-
-void
-sys_thread_new(void (* function)(void *arg), void *arg)
-{
-  if (arg); // LW
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_main(void)
-{
-}
-/*-----------------------------------------------------------------------------------*/

src/arch/msvc6/include/arch/bpstruct.h

@@ -1 +0,0 @@
-#pragma pack(push,1)

src/arch/msvc6/include/arch/cc.h

@@ -1,50 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __ARCH_CC_H__
-#define __ARCH_CC_H__
-
-typedef unsigned   char    u8_t;
-typedef signed     char    s8_t;
-/*typedef unsigned   short   u8_t;
-  typedef signed     short   s8_t; */
-typedef unsigned   short   u16_t;
-typedef signed     short   s16_t;
-typedef unsigned   long    u32_t;
-typedef signed     long    s32_t;
-
-typedef u32_t mem_ptr_t;
-
-#define PACK_STRUCT_FIELD(x) x
-#define PACK_STRUCT_STRUCT
-#pragma warning(disable: 4103)
-
-#endif /* __ARCH_CC_H__ */

src/arch/msvc6/include/arch/cpu.h

@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __ARCH_CPU_H__
-#define __ARCH_CPU_H__
-
-#ifndef BYTE_ORDER
-#define BYTE_ORDER LITTLE_ENDIAN
-#endif /* BYTE_ORDER */
-
-#endif /* __ARCH_CPU_H__ */

src/arch/msvc6/include/arch/epstruct.h

@@ -1 +0,0 @@
-#pragma pack(pop)

src/arch/msvc6/include/arch/lib.h

@@ -1,42 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __ARCH_LIB_H__
-#define __ARCH_LIB_H__
-
-#ifndef _STRING_H_
-#ifndef _STRING_H
-int strlen(const char *str);
-int strncmp(const char *str1, const char *str2, int len);
-#endif /* _STRING_H */
-#endif /* _STRING_H_ */
-
-#endif /* __ARCH_LIB_H__ */

src/arch/msvc6/include/arch/perf.h

@@ -1,58 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __ARCH_PERF_H__
-#define __ARCH_PERF_H__
-
-#ifdef PERF
-#define PERF_START
-#define PERF_STOP(x)
-
-/*#define PERF_START do { \
-                     struct tms __perf_start, __perf_end; \
-                     times(&__perf_start)
-#define PERF_STOP(x) times(&__perf_end); \
-                     perf_print_times(&__perf_start, &__perf_end, x);\
-                     } while(0)*/
-#else /* PERF */
-#define PERF_START    /* null definition */
-#define PERF_STOP(x)  /* null definition */
-#endif /* PERF */
-
-void perf_print(unsigned long c1l, unsigned long c1h,
-		unsigned long c2l, unsigned long c2h,
-		char *key);
-
-void perf_print_times(struct tms *start, struct tms *end, char *key);
-
-void perf_init(char *fname);
-
-#endif /* __ARCH_PERF_H__ */

src/arch/msvc6/include/arch/sys_arch.h

@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __ARCH_SYS_ARCH_H__
-#define __ARCH_SYS_ARCH_H__
-
-#define SYS_MBOX_NULL NULL
-#define SYS_SEM_NULL  NULL
-
-struct sys_sem;
-typedef struct sys_sem * sys_sem_t;
-
-struct sys_mbox;
-typedef struct sys_mbox *sys_mbox_t;
-
-struct sys_thread;
-typedef struct sys_thread * sys_thread_t;
-
-#endif /* __ARCH_SYS_ARCH_H__ */
-

src/arch/rtxc/include/arch/cc.h

@@ -1,47 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __CC_H__
-#define __CC_H__
-
-typedef unsigned   char    u8_t;
-typedef signed     char    s8_t;
-typedef unsigned   short   u16_t;
-typedef signed     short   s16_t;
-typedef unsigned   long    u32_t;
-typedef signed     long    s32_t;
-
-#define PACK_STRUCT_BEGIN
-#define PACK_STRUCT_STRUCT
-#define PACK_STRUCT_END
-#define PACK_STRUCT_FIELD(x) x
-
-#endif /* __CC_H__ */

src/arch/rtxc/include/arch/cpu.h

@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __CPU_H__
-#define __CPU_H__
-
-#define BYTE_ORDER LITTLE_ENDIAN
-
-#endif /* __CPU_H__ */

src/arch/rtxc/include/arch/init.h

@@ -1,44 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __ARCH_INIT_H__
-#define __ARCH_INIT_H__
-
-#define TCPIP_INIT_DONE(arg)  tcpip_init_done(arg)
-
-void tcpip_init_done(void *);
-int wait_for_tcpip_init(void);
-
-#endif /* __ARCH_INIT_H__ */
-
-
-
-

src/arch/rtxc/include/arch/lib.h

@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __LIB_H__
-#define __LIB_H__
-
-#include <string.h>
-
-
-#endif /* __LIB_H__ */

src/arch/rtxc/include/arch/perf.h

@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __PERF_H__
-#define __PERF_H__
-
-#define PERF_START    /* null definition */
-#define PERF_STOP(x)  /* null definition */
-
-#endif /* __PERF_H__ */

src/arch/rtxc/include/arch/sys_arch.h

@@ -1,45 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __SYS_RTXC_H__
-#define __SYS_RTXC_H__
-
-#include "rtxcapi.h"
-
-#define SYS_MBOX_NULL (QUEUE)0
-#define SYS_SEM_NULL  (SEMA)0
-
-typedef SEMA sys_sem_t;
-typedef QUEUE sys_mbox_t;
-typedef TASK sys_thread_t;
-
-#endif /* __SYS_RTXC_H__ */
-

src/arch/rtxc/include/netif/cs8900if.h

@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __NETIF_CS8900IF_H__
-#define __NETIF_CS8900IF_H__
-
-#include "lwip/netif.h"
-
-void cs8900if_init(struct netif *);
-u8_t cs8900if_poll(struct netif *);
-void cs8900if_input(struct netif *); 
-
-#endif /* __NETIF_CS8900IF_H__ */

src/arch/rtxc/include/netif/sioslipif.h

@@ -1,39 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __NETIF_SIOSLIPIF_H__
-#define __NETIF_SIOSLIPIF_H__
-
-#include "lwip/netif.h"
-
-void sioslipif_init(struct netif *);
-
-#endif /* __NETIF_SIOSLIPIF_H__ */

src/arch/rtxc/lib.c

@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-/* These are generic implementations of various library functions used
- * throughout the lwIP code. When porting, those should be optimized
- * for the particular processor architecture, preferably coded in
- * assembler.
- */
-

src/arch/rtxc/netif/FILES

@@ -1 +0,0 @@
-sioslipif.c - Implementation of the SLIP protocol on top of a serial line.

src/arch/rtxc/netif/sioslipif.c

@@ -1,170 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "lwip/debug.h"
-#include "lwip/def.h"
-#include "netif/sioslipif.h"
-#include "lwip/pbuf.h"
-#include "lwip/sys.h"
-
-#define SLIP_END     0300
-#define SLIP_ESC     0333
-#define SLIP_ESC_END 0334
-#define SLIP_ESC_ESC 0335
-
-/* This variable is used for passing the netif pointer between the
-   threads. */
-static struct netif *netif_pass;
-
-static int infd, outfd;
-/*-----------------------------------------------------------------------------------*/
-static void
-sio_send(u8_t c)
-{
-  write(outfd, &c, 1);
-}
-/*-----------------------------------------------------------------------------------*/
-static u8_t
-sio_recv(void)
-{
-  u8_t c;
-  read(infd, &c, 1);
-  return c;
-}
-/*-----------------------------------------------------------------------------------*/
-static int
-sioslipif_output(struct netif *netif, struct pbuf *p, struct ip_addr *ipaddr)
-{
-  struct pbuf *q;
-  int i;
-  u8_t c;
-  
-  /* Send pbuf out on the serial I/O device. */
-  sio_send(SLIP_END);
-  
-  for(q = p; q != NULL; q = q->next) {
-    for(i = 0; i < q->len; i++) {
-      c = ((u8_t *)q->payload)[i];
-      switch(c) {
-      case SLIP_END:
-        sio_send(SLIP_ESC);
-        sio_send(SLIP_ESC_END);
-        break;
-      case SLIP_ESC:
-        sio_send(SLIP_ESC);
-        sio_send(SLIP_ESC_ESC);
-        break;
-      default:
-        sio_send(c);
-        break;
-      }
-    }
-  }
-  sio_send(SLIP_END);
-  return 0;
-}
-/*-----------------------------------------------------------------------------------*/
-static struct pbuf *
-sioslipif_input(void)
-{
-  u8_t c;
-  struct pbuf *p, *q;
-  int recved;
-  int i;
-
-  p = pbuf_alloc(PBUF_LINK, PBUF_MAX_SIZE, PBUF_POOL);
-  q = p;
-  recved = i = 0;
-  
-  while(1) {
-    c = sio_recv();
-    switch(c) {
-    case SLIP_END:
-      if(recved > 0) {
-        /* Received whole packet. */
-        pbuf_realloc(p, recved);
-        return p;
-      }
-      break;
-    case SLIP_ESC:
-      c = sio_recv();
-      switch(c) {
-      case SLIP_ESC_END:
-        c = SLIP_END;
-        break;
-      case SLIP_ESC_ESC:
-        c = SLIP_ESC;
-        break;
-      }
-      /* FALLTHROUGH */
-    default:
-      if(recved < p->tot_len && q != NULL) {
-        ((u8_t *)q->payload)[i] = c;
-        recved++;
-        i++;
-        if(i >= q->len) {
-          i = 0;
-          q = q->next;
-        }
-      }
-      break;
-    }
-    
-  }
-}
-/*-----------------------------------------------------------------------------------*/
-static void
-sioslipif_loop(void)
-{
-  struct pbuf *p;
-  struct netif *netif;
-
-  netif = netif_pass;
-  while(1) {
-    p = sioslipif_input();    
-    netif->input(p, netif);
-  }
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sioslipif_init(struct netif *netif)
-{
-  netif->state = NULL;
-  netif->name[0] = 's';
-  netif->name[1] = 'l';
-  netif->output = sioslipif_output;
-
-  netif_pass = netif;
-  sys_thread_new((void *)sioslipif_loop, NULL);
-  /* Do some magic to make it possible to receive data from the serial I/O device. */
-}
-/*-----------------------------------------------------------------------------------*/

src/arch/rtxc/perf.c

@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "arch/perf.h"
-
-void
-perf_init(char *fname)
-{
-}

src/arch/rtxc/sys_arch.c

@@ -1,271 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-
-#include "lwip/debug.h"
-
-#include "lwip/def.h"
-#include "lwip/sys.h"
-#include "lwip/mem.h"
-
-#include "rtxcapi.h"
-#include "csema.h"
-#include "cclock.h"
-#include "cqueue.h"
-#include "cres.h"
-#include "cpart.h"
-#include "ctask.h"
-
-struct timeoutlist {
-  struct sys_timeouts timeouts;
-  TASK pid;
-};
-
-#define SYS_THREAD_MAX 2
-
-static struct timeoutlist timeoutlist[SYS_THREAD_MAX];
-static u16_t nextthread = 0;
-
-/*-----------------------------------------------------------------------------------*/
-sys_mbox_t
-sys_mbox_new(void)
-{
-  QUEUE mbox;  
-  KS_dequeuew(IP_MBOXQ, &mbox);
-  KS_purgequeue(mbox);
-  return mbox;
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_mbox_free(sys_mbox_t mbox)
-{
-  KS_enqueue(IP_MBOXQ, &mbox);
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_mbox_post(sys_mbox_t mbox, void *data)
-{
-  if(KS_enqueue(mbox, &data) != RC_GOOD) {
-  }
-}
-/*-----------------------------------------------------------------------------------*/
-u16_t
-sys_arch_mbox_fetch(sys_mbox_t mbox, void **data, u16_t timeout)
-{
-  KSRC ret;
-  u16_t wtime = 1;
-  
-  if(timeout == 0) {
-    DEBUGF(SYS_DEBUG, ("PID: %d sys_mbox_fetch: without timeouts\n",KS_inqtask()));
-    KS_dequeuew(mbox, data);
-    
-  } else { 
-  
-    ret = KS_dequeuet(mbox, data, (TICKS)timeout/CLKTICK);
-    if(ret == RC_TIMEOUT) {
-      /* The call timed out, so we return 0. */
-      wtime = 0;
-    } else {
-      /* Calculate time we waited for the message to arrive. */
-      
-      /* XXX: we cheat and just pretend that we waited for half the timeout value! */
-      wtime = timeout / 2;
-      
-      /* Make sure we don't return 0 here. */
-      if(wtime == 0) {
-	wtime = 1;
-      }
-    }
-  }
-  return wtime;
-}
-/*-----------------------------------------------------------------------------------*/
-sys_sem_t
-sys_sem_new(u8_t count)
-{
-  SEMA sem;
-  KS_dequeuew(IP_SEMQ, &sem);
-  KS_pend(sem);
-  if(count > 0) {
-    KS_signal(sem);
-  }
-  return sem;
-}
-/*-----------------------------------------------------------------------------------*/
-u16_t
-sys_arch_sem_wait(sys_sem_t sem, u16_t timeout)
-{
-  KSRC ret;
-  u16_t wtime = 1;
-  
-  if(timeout == 0) {
-    DEBUGF(SYS_DEBUG, ("PID: %d sys_mbox_fetch: without timeouts\n",KS_inqtask()));
-    KS_wait(sem);
-    
-  } else { 
-    ret = KS_waitt(sem, (TICKS)timeout/CLKTICK);  
-    if(ret == RC_TIMEOUT) {
-      /* The call timed out, so we return 0. */
-      wtime = 0;
-    } else {
-      /* Calculate time we waited for the message to arrive. */
-      
-      /* XXX: we cheat and just pretend that we waited for half the timeout value! */
-      wtime = timeout / 2;
-      
-      /* Make sure we don't return 0 here. */
-      if(wtime == 0) {
-	wtime = 1;
-      }
-    }
-  }
-  return wtime;
-
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_sem_signal(sys_sem_t sem)
-{
-  KS_signal(sem);
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_sem_free(sys_sem_t sem)
-{
-  KS_enqueue(IP_SEMQ, &sem);
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_init(void)
-{
-  /* posta in alla semaforer i IP_SEMQ, posta in alla mboxar i
-     IP_MBOXQ */
-  QUEUE mbox;
-  SEMA  sem;
-  
-  mbox = IP_Q_01; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_02; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_03; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_04; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_05; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_06; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_07; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_08; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_09; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_10; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_11; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_12; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_13; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_14; KS_enqueue(IP_MBOXQ, &mbox);
-  mbox = IP_Q_15; KS_enqueue(IP_MBOXQ, &mbox);
-  sem  = IP_S_01; KS_enqueue(IP_SEMQ,  &sem);
-  sem  = IP_S_02; KS_enqueue(IP_SEMQ,  &sem);
-  sem  = IP_S_03; KS_enqueue(IP_SEMQ,  &sem);
-}
-/*-----------------------------------------------------------------------------------*/
-struct sys_timeouts *
-sys_arch_timeouts(void)
-{
-  int i;
-  TASK pid;
-  struct timeoutlist *tl;  
-  
-  DEBUGF(SYS_DEBUG, ("PID: %d sys_mbox_fetch: timeoutlist not empty\n",KS_inqtask()));
-  pid = KS_inqtask();
-  for(i = 0; i < nextthread; i++) {
-    tl = &timeoutlist[i];
-    if(tl->pid == pid) {
-      DEBUGF(SYS_DEBUG, ("PID: %d sys_mbox_fetch: corresponding pid found!\n",KS_inqtask()));
-      return &(tl->timeouts);
-    }
-  }
-
-  /* Error! */
-  return NULL;
-}
-/*-----------------------------------------------------------------------------------*/
-struct sys_thread_arg {
-  void (* thread)(void *);
-  void *threadarg;
-  SEMA sem;
-};
-/*-----------------------------------------------------------------------------------*/
-static void
-sys_thread(void)
-{
-  struct sys_thread_arg *arg;
-  void (* thread)(void *);
-  void *threadarg;
-  
-  arg = KS_inqtask_arg(0);
-  if(arg != NULL) {
-
-    timeoutlist[nextthread].timeouts.next = NULL;
-    timeoutlist[nextthread].pid = KS_inqtask();
-
-    ++nextthread;
-    
-    thread = arg->thread;
-    threadarg = arg->threadarg;
-    KS_signal(arg->sem);
-    thread(threadarg);
-  }
-  KS_terminate(0);
-}
-/*-----------------------------------------------------------------------------------*/
-void
-sys_thread_new(void (* function)(void *arg), void *arg) 
-{
-  TASK newtask;
-  PRIORITY pri = 2;       /* This may have to be changed. */
-  char *stack;
-  int stacksize = 512;   /* This may have to be changed. */
-  struct sys_thread_arg threadarg;
-  
-  
-  newtask = KS_alloc_task();
-  stack = KS_allocw(MAP512);
-  
-  KS_deftask(newtask, pri, (char ks_stk *)stack, (size_t)stacksize, (void (*)(void))sys_thread);
-  
-  threadarg.thread = function;
-  threadarg.threadarg = arg;
-  threadarg.sem = THRDSYNC;
-  KS_deftask_arg(newtask, &threadarg);    
-  KS_execute(newtask);
-  KS_wait(THRDSYNC);
-}
-
-
-
-
-
-

src/arch/unix/include/arch/cc.h

@@ -1,51 +0,0 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Adam Dunkels <adam@sics.se>
- *
- */
-#ifndef __ARCH_CC_H__
-#define __ARCH_CC_H__
-
-typedef unsigned   char    u8_t;
-typedef signed     char    s8_t;
-/*typedef unsigned   short   u8_t;
-  typedef signed     short   s8_t; */
-typedef unsigned   short   u16_t;
-typedef signed     short   s16_t;
-typedef unsigned   long    u32_t;
-typedef signed     long    s32_t;
-
-typedef u32_t mem_ptr_t;
-
-#define PACK_STRUCT_FIELD(x) x __attribute__((packed))
-#define PACK_STRUCT_STRUCT __attribute__((packed))
-#define PACK_STRUCT_BEGIN
-#define PACK_STRUCT_END
-
-#endif /* __ARCH_CC_H__ */