diff options
Diffstat (limited to 'net/sctp/output.c')
| -rw-r--r-- | net/sctp/output.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/net/sctp/output.c b/net/sctp/output.c index b210d2077e2..7c558936343 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -429,23 +429,22 @@ int sctp_packet_transmit(struct sctp_packet *packet) list_del_init(&chunk->list); if (sctp_chunk_is_data(chunk)) { - if (!chunk->has_tsn) { - sctp_chunk_assign_ssn(chunk); - sctp_chunk_assign_tsn(chunk); - - /* 6.3.1 C4) When data is in flight and when allowed - * by rule C5, a new RTT measurement MUST be made each - * round trip. Furthermore, new RTT measurements - * SHOULD be made no more than once per round-trip - * for a given destination transport address. - */ + if (!chunk->resent) { + + /* 6.3.1 C4) When data is in flight and when allowed + * by rule C5, a new RTT measurement MUST be made each + * round trip. Furthermore, new RTT measurements + * SHOULD be made no more than once per round-trip + * for a given destination transport address. + */ if (!tp->rto_pending) { chunk->rtt_in_progress = 1; tp->rto_pending = 1; } - } else - chunk->resent = 1; + } + + chunk->resent = 1; has_data = 1; } @@ -722,6 +721,8 @@ static void sctp_packet_append_data(struct sctp_packet *packet, /* Has been accepted for transmission. */ if (!asoc->peer.prsctp_capable) chunk->msg->can_abandon = 0; + sctp_chunk_assign_tsn(chunk); + sctp_chunk_assign_ssn(chunk); } static sctp_xmit_t sctp_packet_will_fit(struct sctp_packet *packet, |