Reset the last_sack_ack SACK hint for TCP input processing to ensure that the
hint is 0 when no SACK data is received to update the hint with. This was accidentally omitted from r216753. Sponsored by: FreeBSD Foundation MFC after: 10 weeks X-MFC with: 216753
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=217221
@ -1291,6 +1291,7 @@ tcp_do_segment(struct mbuf *m, struct tcphdr *th, struct socket *so,
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short ostate = 0;
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#endif
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thflags = th->th_flags;
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tp->sackhint.last_sack_ack = 0;
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/*
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* If this is either a state-changing packet or current state isn't
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