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When an ICMP message is received and the MTU shrinks, only

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mark outstanding chunks for retransmissions.

MFC after: 3 days
This commit is contained in:
Michael Tuexen 2015-03-23 23:34:21 +00:00
parent bb481a8edd
commit ca0f81984a
1 changed files with 11 additions and 13 deletions
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6
sys/netinet/sctp_usrreq.c
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@ -125,11 +125,8 @@ sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
if (chk->sent < SCTP_DATAGRAM_RESEND) {
sctp_flight_size_decrease(chk);
sctp_total_flight_decrease(stcb, chk);
}
if (chk->sent != SCTP_DATAGRAM_RESEND) {
sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
}
chk->sent = SCTP_DATAGRAM_RESEND;
sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
chk->rec.data.doing_fast_retransmit = 0;
if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
@ -143,6 +140,7 @@ sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
}
}
}
}
#ifdef INET
static void