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Fix SACK negotiation that was broken in rev 1.105.

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Before this fix, FreeBSD would negotiate SACK on outgoing
connections, but would always fail to negotiate it on incoming
connections.

Discovered by: James Healy and Lawrence Stewart
Submitted by: James Healy and Lawrence Stewart
MFC after: 3 days
This commit is contained in:
Mike Silbersack 2007-12-04 07:11:13 +00:00
parent ba63339a0a
commit 136286a141
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=174248
1 changed files with 1 additions and 1 deletions
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2
sys/netinet/tcp_syncache.c
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@ -1184,7 +1184,7 @@ syncache_add(struct in_conninfo *inc, struct tcpopt *to, struct tcphdr *th,
if (to->to_flags & TOF_SIGNATURE)
sc->sc_flags |= SCF_SIGNATURE;
#endif
if (to->to_flags & TOF_SACK)
if (to->to_flags & TOF_SACKPERM)
sc->sc_flags |= SCF_SACK;
if (to->to_flags & TOF_MSS)
sc->sc_peer_mss = to->to_mss; /* peer mss may be zero */