abc/lwip
1
0
Fork 0
mirror of https://git.savannah.nongnu.org/git/lwip.git synced 2026-05-21 23:56:59 +08:00
Code Issues Packages Projects Releases Wiki Activity

Apply patch #9472: tcp_kill_prio: Don't kill active connection that has the same priority

Browse Source 
in a modified, IMHO more readable way.
This commit is contained in:
Dirk Ziegelmeier
2017-11-06 12:53:08 +01:00
parent 41cf4012af
commit d8b6cdffcb
3 changed files with 20 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/core/tcp.c
View File

@@ -1621,8 +1621,7 @@ tcp_recv_null(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
#endif /* LWIP_CALLBACK_API */
/**
* Kills the oldest active connection that has the same or lower priority than
* 'prio'.
* Kills the oldest active connection that has a lower priority than 'prio'.
*
* @param prio minimum priority
*/
@@ -1635,7 +1634,18 @@ tcp_kill_prio(u8_t prio)
mprio = LWIP_MIN(TCP_PRIO_MAX, prio);
/* We kill the oldest active connection that has the same or lower priority than prio. */
/* We want to kill connections with a lower prio, so bail out if
* supplied prio is 0 - there cannot be a no lower prio
*/
if (mprio == 0) {
return;
}
/* We want kill connections with a lower prio, so decrement prio by one
* and start searching for oldest connection with same or lower prio than mprio.
*/
mprio--;
inactivity = 0;
inactive = NULL;
for (pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) {