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[NETFILTER]: nfnetlink_log: flush queue early 

If queue is filled to its threshold, then flush it right away instead
of waiting for timer or next packet.

Signed-off-by: Michal Miroslaw <mirq-linux@rere.qmqm.pl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Miroslaw 2007-09-28 14:44:44 -07:00 committed by David S. Miller
parent e35670614d
commit d63b043d95
1 changed files with 5 additions and 4 deletions
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9
net/netfilter/nfnetlink_log.c
View File

@ -644,9 +644,8 @@ nfulnl_log_packet(unsigned int pf,
goto unlock_and_release;
}
if (inst->qlen >= qthreshold ||
(inst->skb && size >
skb_tailroom(inst->skb) - sizeof(struct nfgenmsg))) {
if (inst->skb &&
size > skb_tailroom(inst->skb) - sizeof(struct nfgenmsg)) {
/* either the queue len is too high or we don't have
* enough room in the skb left. flush to userspace. */
UDEBUG("flushing old skb\n");
@ -666,9 +665,11 @@ nfulnl_log_packet(unsigned int pf,
__build_packet_message(inst, skb, data_len, pf,
hooknum, in, out, li, prefix, plen);
if (inst->qlen >= qthreshold)
__nfulnl_flush(inst);
/* timer_pending always called within inst->lock, so there
* is no chance of a race here */
if (!timer_pending(&inst->timer)) {
else if (!timer_pending(&inst->timer)) {
instance_get(inst);
inst->timer.expires = jiffies + (inst->flushtimeout*HZ/100);
add_timer(&inst->timer);