diff options
Diffstat (limited to 'sys/netinet/tcp_output.c')
| -rw-r--r-- | sys/netinet/tcp_output.c | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c index 9d5b469a51f..d3b8c768bd9 100644 --- a/sys/netinet/tcp_output.c +++ b/sys/netinet/tcp_output.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_output.c,v 1.99 2013/08/12 21:57:16 bluhm Exp $ */ +/* $OpenBSD: tcp_output.c,v 1.100 2013/10/19 10:38:55 henning Exp $ */ /* $NetBSD: tcp_output.c,v 1.16 1997/06/03 16:17:09 kml Exp $ */ /* @@ -947,28 +947,8 @@ send: } #endif /* TCP_SIGNATURE */ - /* - * Put TCP length in extended header, and then - * checksum extended header and data. - */ - switch (tp->pf) { - case 0: /*default to PF_INET*/ -#ifdef INET - case AF_INET: - /* Defer checksumming until later (ip_output() or hardware) */ - m->m_pkthdr.csum_flags |= M_TCP_CSUM_OUT; - if (len + optlen) - th->th_sum = in_cksum_addword(th->th_sum, - htons((u_int16_t)(len + optlen))); - break; -#endif /* INET */ -#ifdef INET6 - case AF_INET6: - th->th_sum = in6_cksum(m, IPPROTO_TCP, sizeof(struct ip6_hdr), - hdrlen - sizeof(struct ip6_hdr) + len); - break; -#endif /* INET6 */ - } + /* Defer checksumming until later (ip_output() or hardware) */ + m->m_pkthdr.csum_flags |= M_TCP_CSUM_OUT; /* * In transmit state, time the transmission and arrange for |