d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Do not go one layer down to check ifqueue length. First, not all drivers

Browse Source 
use ifqueue at all. Second, there is no point in this lockless check.
Either positive or negative result of the check could be incorrect after
a tick.

Reviewed by:	tuexen
Sponsored by:	Nginx, Inc.
This commit is contained in:
glebius 2015-01-12 18:06:22 +00:00
parent 2cf1c6ce95
commit c7a0721405
1 changed files with 0 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
sys/netinet/sctp_output.c
View File

@ -7958,22 +7958,6 @@ again_one_more_time:
} else {
skip_data_for_this_net = 0;
}
if ((net->ro.ro_rt) && (net->ro.ro_rt->rt_ifp)) {
/*
* if we have a route and an ifp check to see if we
* have room to send to this guy
*/
struct ifnet *ifp;
ifp = net->ro.ro_rt->rt_ifp;
if ((ifp->if_snd.ifq_len + 2) >= ifp->if_snd.ifq_maxlen) {
SCTP_STAT_INCR(sctps_ifnomemqueued);
if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOG_MAXBURST_ENABLE) {
sctp_log_maxburst(stcb, net, ifp->if_snd.ifq_len, ifp->if_snd.ifq_maxlen, SCTP_MAX_IFP_APPLIED);
}
continue;
}
}
switch (((struct sockaddr *)&net->ro._l_addr)->sa_family) {
#ifdef INET
case AF_INET: