aboutsummaryrefslogtreecommitdiff
path: root/sys/netpfil/pf
diff options
context:
space:
mode:
Diffstat (limited to 'sys/netpfil/pf')
-rw-r--r--sys/netpfil/pf/pf.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/netpfil/pf/pf.c b/sys/netpfil/pf/pf.c
index 2757bf9cdc54..46731cbf9ee1 100644
--- a/sys/netpfil/pf/pf.c
+++ b/sys/netpfil/pf/pf.c
@@ -5571,11 +5571,17 @@ pf_route(struct mbuf **m, struct pf_krule *r, int dir, struct ifnet *oifp,
/* Copied from FreeBSD 10.0-CURRENT ip_output. */
m0->m_pkthdr.csum_flags |= CSUM_IP;
if (m0->m_pkthdr.csum_flags & CSUM_DELAY_DATA & ~ifp->if_hwassist) {
+ m0 = mb_unmapped_to_ext(m0);
+ if (m0 == NULL)
+ goto done;
in_delayed_cksum(m0);
m0->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;
}
#if defined(SCTP) || defined(SCTP_SUPPORT)
if (m0->m_pkthdr.csum_flags & CSUM_SCTP & ~ifp->if_hwassist) {
+ m0 = mb_unmapped_to_ext(m0);
+ if (m0 == NULL)
+ goto done;
sctp_delayed_cksum(m0, (uint32_t)(ip->ip_hl << 2));
m0->m_pkthdr.csum_flags &= ~CSUM_SCTP;
}
@@ -5752,6 +5758,9 @@ pf_route6(struct mbuf **m, struct pf_krule *r, int dir, struct ifnet *oifp,
if (m0->m_pkthdr.csum_flags & CSUM_DELAY_DATA_IPV6 &
~ifp->if_hwassist) {
uint32_t plen = m0->m_pkthdr.len - sizeof(*ip6);
+ m0 = mb_unmapped_to_ext(m0);
+ if (m0 == NULL)
+ goto done;
in6_delayed_cksum(m0, plen, sizeof(struct ip6_hdr));
m0->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA_IPV6;
}