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Increment the SSN only after processing the last fragment of an

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ordered user message.

MFC after: 3 days
This commit is contained in:
Michael Tuexen 2014-04-01 18:38:04 +00:00
parent 538a5f1823
commit 6bbfa13f80
1 changed files with 2 additions and 1 deletions
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3
sys/netinet/sctp_output.c
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@ -7367,7 +7367,8 @@ sctp_move_to_outqueue(struct sctp_tcb *stcb,
chk->pad_inplace = 0;
chk->no_fr_allowed = 0;
chk->rec.data.stream_seq = strq->next_sequence_send;
if (rcv_flags & SCTP_DATA_LAST_FRAG) {
if ((rcv_flags & SCTP_DATA_LAST_FRAG) &&
!(rcv_flags & SCTP_DATA_UNORDERED)) {
strq->next_sequence_send++;
}
chk->rec.data.stream_number = sp->stream;