When an ICMP message is received and the MTU shrinks, only
mark outstanding chunks for retransmissions. MFC after: 3 days
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parent
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=280404
@ -125,21 +125,19 @@ sctp_pathmtu_adjustment(struct sctp_tcb *stcb, uint16_t nxtsz)
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if (chk->sent < SCTP_DATAGRAM_RESEND) {
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sctp_flight_size_decrease(chk);
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sctp_total_flight_decrease(stcb, chk);
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}
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if (chk->sent != SCTP_DATAGRAM_RESEND) {
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chk->sent = SCTP_DATAGRAM_RESEND;
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sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
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chk->rec.data.doing_fast_retransmit = 0;
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if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
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sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
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chk->whoTo->flight_size,
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chk->book_size,
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(uintptr_t) chk->whoTo,
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chk->rec.data.TSN_seq);
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}
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/* Clear any time so NO RTT is being done */
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chk->do_rtt = 0;
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}
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chk->sent = SCTP_DATAGRAM_RESEND;
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chk->rec.data.doing_fast_retransmit = 0;
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if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_FLIGHT_LOGGING_ENABLE) {
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sctp_misc_ints(SCTP_FLIGHT_LOG_DOWN_PMTU,
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chk->whoTo->flight_size,
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chk->book_size,
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(uintptr_t) chk->whoTo,
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chk->rec.data.TSN_seq);
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}
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/* Clear any time so NO RTT is being done */
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chk->do_rtt = 0;
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}
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}
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}
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