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Partial update from FreeBSD.

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This commit is contained in:
Ralf Corsepius
2007-03-29 05:18:26 +00:00
parent 5f1bbaef70
commit 0c67b4363b
1 changed files with 22 additions and 23 deletions
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45
cpukit/libnetworking/netinet/ip_output.c
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@@ -10,10 +10,6 @@
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
@@ -31,6 +27,10 @@
* SUCH DAMAGE.
*
* @(#)ip_output.c 8.3 (Berkeley) 1/21/94
* $FreeBSD: src/sys/netinet/ip_output.c,v 1.271 2007/03/23 09:43:36 bms Exp $
*/
/*
* $Id$
*/
@@ -56,9 +56,6 @@
#include <netinet/in_var.h>
#include <netinet/ip_var.h>
#ifdef vax
#include <machine/mtpr.h>
#endif
#include <machine/in_cksum.h>
#if !defined(COMPAT_IPFW) || COMPAT_IPFW == 1
@@ -140,7 +137,7 @@ ip_output(m0, opt, ro, flags, imo)
RTFREE(ro->ro_rt);
ro->ro_rt = (struct rtentry *)0;
}
if (ro->ro_rt == 0) {
if (ro->ro_rt == NULL) {
dst->sin_family = AF_INET;
dst->sin_len = sizeof(*dst);
dst->sin_addr = ip->ip_dst;
@@ -308,7 +305,7 @@ ip_output(m0, opt, ro, flags, imo)
/*
* Look for broadcast address and
* and verify user is allowed to send
* verify user is allowed to send
* such a packet.
*/
if (isbroadcast) {
@@ -372,11 +369,12 @@ sendit:
#endif /* COMPAT_IPFW */
/*
* If small enough for interface, can just send directly.
* If small enough for interface, or the interface will take
* care of the fragmentation for us, we can just send directly.
*/
if ((u_short)ip->ip_len <= ifp->if_mtu) {
ip->ip_len = htons((u_short)ip->ip_len);
ip->ip_off = htons((u_short)ip->ip_off);
ip->ip_len = htons(ip->ip_len);
ip->ip_off = htons(ip->ip_off);
ip->ip_sum = 0;
if (ip->ip_vhl == IP_VHL_BORING) {
ip->ip_sum = in_cksum_hdr(ip);
@@ -455,8 +453,8 @@ sendit:
goto sendorfree;
}
m->m_pkthdr.len = mhlen + len;
m->m_pkthdr.rcvif = (struct ifnet *)0;
mhip->ip_off = htons((u_short)mhip->ip_off);
m->m_pkthdr.rcvif = NULL;
mhip->ip_off = htons(mhip->ip_off);
mhip->ip_sum = 0;
if (mhip->ip_vhl == IP_VHL_BORING) {
mhip->ip_sum = in_cksum_hdr(mhip);
@@ -475,7 +473,8 @@ sendit:
m_adj(m, hlen + firstlen - (u_short)ip->ip_len);
m->m_pkthdr.len = hlen + firstlen;
ip->ip_len = htons((u_short)m->m_pkthdr.len);
ip->ip_off = htons((u_short)(ip->ip_off | IP_MF));
ip->ip_off |= IP_MF;
ip->ip_off = htons(ip->ip_off);
ip->ip_sum = 0;
if (ip->ip_vhl == IP_VHL_BORING) {
ip->ip_sum = in_cksum_hdr(ip);
@@ -600,7 +599,7 @@ ip_ctloutput(op, so, level, optname, mp)
int level, optname;
struct mbuf **mp;
{
register struct inpcb *inp = sotoinpcb(so);
struct inpcb *inp = sotoinpcb(so);
register struct mbuf *m = *mp;
register int optval = 0;
int error = 0;
@@ -913,13 +912,13 @@ ip_setmoptions(optname, imop, m)
struct ip_moptions **imop;
struct mbuf *m;
{
register int error = 0;
int error = 0;
u_char loop;
register int i;
int i;
struct in_addr addr;
register struct ip_mreq *mreq;
register struct ifnet *ifp;
register struct ip_moptions *imo = *imop;
struct ip_mreq *mreq;
struct ifnet *ifp;
struct ip_moptions *imo = *imop;
struct route ro;
register struct sockaddr_in *dst;
int s;
@@ -1278,8 +1277,8 @@ ip_mloopback(ifp, m, dst, hlen)
* than the interface's MTU. Can this possibly matter?
*/
ip = mtod(copym, struct ip *);
ip->ip_len = htons((u_short)ip->ip_len);
ip->ip_off = htons((u_short)ip->ip_off);
ip->ip_len = htons(ip->ip_len);
ip->ip_off = htons(ip->ip_off);
ip->ip_sum = 0;
if (ip->ip_vhl == IP_VHL_BORING) {
ip->ip_sum = in_cksum_hdr(ip);