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Use timestamp modulo comparison macro for automatic receive buffer

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scaling to correctly handle wrapping of ticks value.

MFC after:	1 week
This commit is contained in:
Andre Oppermann 2010-08-27 12:34:53 +00:00
parent e45d37b2e9
commit 8502ec25dc
1 changed files with 1 additions and 1 deletions
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2
sys/netinet/tcp_input.c
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@ -1441,7 +1441,7 @@ tcp_do_segment(struct mbuf *m, struct tcphdr *th, struct socket *so,
if (V_tcp_do_autorcvbuf &&
to.to_tsecr &&
(so->so_rcv.sb_flags & SB_AUTOSIZE)) {
if (to.to_tsecr > tp->rfbuf_ts &&
if (TSTMP_GT(to.to_tsecr, tp->rfbuf_ts) &&
to.to_tsecr - tp->rfbuf_ts < hz) {
if (tp->rfbuf_cnt >
(so->so_rcv.sb_hiwat / 8 * 7) &&