Utilize new IF_DEQUEUE_ALL(ifq, m) macro in pfsyncintr() to reduce

contention on ifqueue lock.

This commit is contained in:

Gleb Smirnoff

2011-10-27 09:47:00 +00:00

parent a0af7c3edb

commit 3e850a12ef

1 changed files with 6 additions and 5 deletions

									
										sys/contrib/pf/net/if_pfsync.c
									
		+6
		-5
	
												View File
												
				@@ -3290,16 +3290,17 @@ void

				pfsyncintr(void *arg)

				{

					struct pfsync_softc *sc = arg;

					struct mbuf *m;

					struct mbuf *m, *n;

					CURVNET_SET(sc->sc_ifp->if_vnet);

					pfsync_ints++;

					for (;;) {

						IF_DEQUEUE(&sc->sc_ifp->if_snd, m);

						if (m == 0)

							break;

					IF_DEQUEUE_ALL(&sc->sc_ifp->if_snd, m);

					for (; m != NULL; m = n) {

						n = m->m_nextpkt;

						m->m_nextpkt = NULL;

						if (ip_output(m, NULL, NULL, IP_RAWOUTPUT, &sc->sc_imo, NULL)

						    == 0)

							V_pfsyncstats.pfsyncs_opackets++;