diff options
Diffstat (limited to 'net/sctp/outqueue.c')
| -rw-r--r-- | net/sctp/outqueue.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index bf92a5b68f8b..1c88c8911dc5 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -131,7 +131,8 @@ static inline int sctp_cacc_skip_3_1_d(struct sctp_transport *primary, static inline int sctp_cacc_skip_3_1_f(struct sctp_transport *transport, int count_of_newacks) { - if (count_of_newacks < 2 && !transport->cacc.cacc_saw_newack) + if (count_of_newacks < 2 && + (transport && !transport->cacc.cacc_saw_newack)) return 1; return 0; } @@ -319,7 +320,6 @@ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk) * chunk. */ switch (q->asoc->state) { - case SCTP_STATE_EMPTY: case SCTP_STATE_CLOSED: case SCTP_STATE_SHUTDOWN_PENDING: case SCTP_STATE_SHUTDOWN_SENT: @@ -577,6 +577,13 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt, * try to send as much as possible. */ list_for_each_entry_safe(chunk, chunk1, lqueue, transmitted_list) { + /* If the chunk is abandoned, move it to abandoned list. */ + if (sctp_chunk_abandoned(chunk)) { + list_del_init(&chunk->transmitted_list); + sctp_insert_list(&q->abandoned, + &chunk->transmitted_list); + continue; + } /* Make sure that Gap Acked TSNs are not retransmitted. A * simple approach is just to move such TSNs out of the @@ -618,9 +625,12 @@ redo: /* If we are retransmitting, we should only * send a single packet. + * Otherwise, try appending this chunk again. */ if (rtx_timeout || fast_rtx) done = 1; + else + goto redo; /* Bundle next chunk in the next round. */ break; @@ -1683,8 +1693,9 @@ static void sctp_mark_missing(struct sctp_outq *q, /* SFR-CACC may require us to skip marking * this chunk as missing. */ - if (!transport || !sctp_cacc_skip(primary, transport, - count_of_newacks, tsn)) { + if (!transport || !sctp_cacc_skip(primary, + chunk->transport, + count_of_newacks, tsn)) { chunk->tsn_missing_report++; SCTP_DEBUG_PRINTK( |