MagnitudeOS/lwip
1
0
Fork 0
forked from Imagelibrary/lwip
Code Pull Requests Activity

Added documentation and comments.

Browse Source
This commit is contained in:
likewise
2003-03-25 12:59:42 +00:00
parent 6621f8b88a
commit fa34d51b7e
11 changed files with 210 additions and 177 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/netif/etharp.c
View File

@@ -650,12 +650,12 @@ struct pbuf *etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pb
for(i = 0; i < ARP_TABLE_SIZE; ++i) {
if(ip_addr_cmp(ipaddr, &arp_table[i].ipaddr)) {
if (arp_table[i].state == ETHARP_STATE_PENDING) {
DEBUGF(ETHARP_DEBUG, ("etharp_query: requested IP already pending\n"));
DEBUGF(ETHARP_DEBUG | DBG_TRACE | DBG_STATE, ("etharp_query: requested IP already pending as entry %u\n", i));
/* break out of for-loop */
break;
}
else if (arp_table[i].state == ETHARP_STATE_STABLE) {
DEBUGF(ETHARP_DEBUG, ("etharp_query: requested IP already stable\n"));
DEBUGF(ETHARP_DEBUG | DBG_TRACE | DBG_STATE, ("etharp_query: requested IP already stable as entry %u\n", i));
return NULL;
}
}
@@ -663,16 +663,16 @@ struct pbuf *etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pb
/* queried address not yet pending in ARP table? */
if (i == ARP_TABLE_SIZE)
{
DEBUGF(ETHARP_DEBUG, ("etharp_query: IP address non-pending\n"));
DEBUGF(ETHARP_DEBUG | DBG_TRACE, ("etharp_query: IP address not found in ARP table\n"));
/* find an available entry */
i = find_arp_entry();
/* bail out if no ARP entries are available */
if(i == ARP_TABLE_SIZE)
{
DEBUGF(ETHARP_DEBUG, ("etharp_query: no more ARP table entries available.\n"));
DEBUGF(ETHARP_DEBUG | 2, ("etharp_query: no more ARP entries available.\n"));
return NULL;
}
DEBUGF(ETHARP_DEBUG, ("etharp_query: created ARP table entry.\n"));
DEBUGF(ETHARP_DEBUG, ("etharp_query: created ARP table entry %u.\n", i));
/* i is available, create ARP entry */
ip_addr_set(&arp_table[i].ipaddr, ipaddr);
arp_table[i].ctime = 0;
@@ -690,7 +690,7 @@ struct pbuf *etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pb
pbuf_ref_chain(q);
/* remember pbuf to queue, if any */
arp_table[i].p = q;
DEBUGF(ETHARP_DEBUG, ("etharp_query: queued packet on ARP entry.\n"));
DEBUGF(ETHARP_DEBUG, ("etharp_query: queued packet %p on ARP entry %u.\n", (void *)q, i));
}
#endif
/* allocate a pbuf for the outgoing ARP request packet */