mirror/lwip
1
0
Fork 0
mirror of https://github.com/lwip-tcpip/lwip.git synced 2024-07-07 21:38:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

When all entries are 0 due to the whole table changing since the last arp tick (past 10 seconds) there's no oldest entry and the new entry does not get a spot.Fix this (from Ed Sutter)

Browse Source
This commit is contained in:
jani 2003-01-18 16:05:24 +00:00
parent 2154ac3ecb
commit 39edc69514
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/netif/etharp.c
View File

@ -3,6 +3,9 @@
* Address Resolution Protocol module for IP over Ethernet
*
* $Log: etharp.c,v $
* Revision 1.23 2003/01/18 16:05:24 jani
* When all entries are 0 due to the whole table changing since the last arp tick (past 10 seconds) there's no oldest entry and the new entry does not get a spot.Fix this (from Ed Sutter)
*
* Revision 1.22 2003/01/13 09:38:21 jani
* remove global ctime.Each entry's ctime is now absolute.This avoids wrapping and also solves naming clash reported on the list
*
@ -220,14 +223,14 @@ find_arp_entry(void)
}
/* If no unused entry is found, we try to find the oldest entry and
throw it away. */
throw it away. If all entries are new and have 0 ctime drop one */
if(i == ARP_TABLE_SIZE) {
maxtime = 0;
j = ARP_TABLE_SIZE;
for(i = 0; i < ARP_TABLE_SIZE; ++i) {
/* remember entry with oldest stable entry in j*/
if((arp_table[i].state == ETHARP_STATE_STABLE) &&
(arp_table[i].ctime > maxtime)) {
(arp_table[i].ctime >= maxtime)) {
maxtime = arp_table[i].ctime;
j = i;
}