[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>
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 512741a..0fa1742 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -644,9 +644,8 @@
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 @@
__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);