svn commit: r356995 - head/sys/netpfil/pf
Kristof Provost
kp at FreeBSD.org
Wed Jan 22 21:01:19 UTC 2020
Author: kp
Date: Wed Jan 22 21:01:19 2020
New Revision: 356995
URL: https://svnweb.freebsd.org/changeset/base/356995
Log:
pfsync: Ensure we enter network epoch before calling ip_output
As of r356974 calls to ip_output() require us to be in the network epoch.
That wasn't the case for the calls done from pfsyncintr() and
pfsync_defer_tmo().
Modified:
head/sys/netpfil/pf/if_pfsync.c
Modified: head/sys/netpfil/pf/if_pfsync.c
==============================================================================
--- head/sys/netpfil/pf/if_pfsync.c Wed Jan 22 20:53:25 2020 (r356994)
+++ head/sys/netpfil/pf/if_pfsync.c Wed Jan 22 21:01:19 2020 (r356995)
@@ -1806,6 +1806,7 @@ pfsync_undefer(struct pfsync_deferral *pd, int drop)
static void
pfsync_defer_tmo(void *arg)
{
+ struct epoch_tracker et;
struct pfsync_deferral *pd = arg;
struct pfsync_softc *sc = pd->pd_sc;
struct mbuf *m = pd->pd_m;
@@ -1814,6 +1815,7 @@ pfsync_defer_tmo(void *arg)
PFSYNC_BUCKET_LOCK_ASSERT(b);
+ NET_EPOCH_ENTER(et);
CURVNET_SET(m->m_pkthdr.rcvif->if_vnet);
TAILQ_REMOVE(&b->b_deferrals, pd, pd_entry);
@@ -1828,6 +1830,7 @@ pfsync_defer_tmo(void *arg)
pf_release_state(st);
CURVNET_RESTORE();
+ NET_EPOCH_EXIT(et);
}
static void
@@ -2307,11 +2310,13 @@ pfsync_push_all(struct pfsync_softc *sc)
static void
pfsyncintr(void *arg)
{
+ struct epoch_tracker et;
struct pfsync_softc *sc = arg;
struct pfsync_bucket *b;
struct mbuf *m, *n;
int c;
+ NET_EPOCH_ENTER(et);
CURVNET_SET(sc->sc_ifp->if_vnet);
for (c = 0; c < pfsync_buckets; c++) {
@@ -2345,6 +2350,7 @@ pfsyncintr(void *arg)
}
}
CURVNET_RESTORE();
+ NET_EPOCH_EXIT(et);
}
static int
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