diff options
Diffstat (limited to 'sys/netinet/ip_output.c')
| -rw-r--r-- | sys/netinet/ip_output.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c index ec6ba8d92015..ef08b9cfd3d6 100644 --- a/sys/netinet/ip_output.c +++ b/sys/netinet/ip_output.c @@ -1044,14 +1044,14 @@ done: } void -in_delayed_cksum(struct mbuf *m) +in_delayed_cksum_o(struct mbuf *m, uint16_t iph_offset) { struct ip *ip; struct udphdr *uh; uint16_t cklen, csum, offset; - ip = mtod(m, struct ip *); - offset = ip->ip_hl << 2 ; + ip = (struct ip *)mtodo(m, iph_offset); + offset = iph_offset + (ip->ip_hl << 2); if (m->m_pkthdr.csum_flags & CSUM_UDP) { /* if udp header is not in the first mbuf copy udplen */ @@ -1078,6 +1078,13 @@ in_delayed_cksum(struct mbuf *m) *(u_short *)mtodo(m, offset) = csum; } +void +in_delayed_cksum(struct mbuf *m) +{ + + in_delayed_cksum_o(m, 0); +} + /* * IP socket option processing. */ |