diff options
| author |   itojun <itojun@openbsd.org> | 2002-06-07 16:18:02 +0000 |
|---|---|---|
| committer | itojun <itojun@openbsd.org> | 2002-06-07 16:18:02 +0000 |
| commit | 25a14d70f31555173ff4dfc3dac22c086c401a45 (patch) | |
| tree | 3c9958b0fba1988674a8daa05f9efa33586d0e3d /sys/netinet/tcp_input.c | |
| parent | typo (diff) | |
| download | wireguard-openbsd-25a14d70f31555173ff4dfc3dac22c086c401a45.tar.xz wireguard-openbsd-25a14d70f31555173ff4dfc3dac22c086c401a45.zip | |
avoid is_ipv6 construct. a step towards IPv4-less kernel
Diffstat (limited to 'sys/netinet/tcp_input.c')
| -rw-r--r-- | sys/netinet/tcp_input.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index 3db4bcdcda2..a307b6ac266 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_input.c,v 1.115 2002/06/07 15:51:54 itojun Exp $ */ +/* $OpenBSD: tcp_input.c,v 1.116 2002/06/07 16:18:02 itojun Exp $ */ /* $NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $ */ /* @@ -2946,7 +2946,6 @@ tcp_mss(tp, offer) struct ifnet *ifp; int mss, mssopt; int iphlen; - int is_ipv6 = 0; struct inpcb *inp; inp = tp->t_inpcb; @@ -2964,7 +2963,6 @@ tcp_mss(tp, offer) #ifdef INET6 case AF_INET6: iphlen = sizeof(struct ip6_hdr); - is_ipv6 = 1; break; #endif case AF_INET: @@ -2997,14 +2995,14 @@ tcp_mss(tp, offer) goto out; else if (ifp->if_flags & IFF_LOOPBACK) mss = ifp->if_mtu - iphlen - sizeof(struct tcphdr); - else if (!is_ipv6) { + else if (tp->pf == AF_INET) { if (ip_mtudisc) mss = ifp->if_mtu - iphlen - sizeof(struct tcphdr); else if (inp && in_localaddr(inp->inp_faddr)) mss = ifp->if_mtu - iphlen - sizeof(struct tcphdr); } #ifdef INET6 - else if (is_ipv6) { + else if (tp->pf == AF_INET6) { /* * for IPv6, path MTU discovery is always turned on, * or the node must use packet size <= 1280. |