diff options
Diffstat (limited to 'net/sctp/outqueue.c')
| -rw-r--r-- | net/sctp/outqueue.c | 43 |
1 files changed, 24 insertions, 19 deletions
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index e7aa177c9522..1b4a7f8ec3fd 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -63,6 +63,7 @@ static int sctp_acked(struct sctp_sackhdr *sack, __u32 tsn); static void sctp_check_transmitted(struct sctp_outq *q, struct list_head *transmitted_queue, struct sctp_transport *transport, + union sctp_addr *saddr, struct sctp_sackhdr *sack, __u32 *highest_new_tsn); @@ -299,6 +300,7 @@ void sctp_outq_free(struct sctp_outq *q) /* Put a new chunk in an sctp_outq. */ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk) { + struct net *net = sock_net(q->asoc->base.sk); int error = 0; SCTP_DEBUG_PRINTK("sctp_outq_tail(%p, %p[%s])\n", @@ -337,15 +339,15 @@ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk) sctp_outq_tail_data(q, chunk); if (chunk->chunk_hdr->flags & SCTP_DATA_UNORDERED) - SCTP_INC_STATS(SCTP_MIB_OUTUNORDERCHUNKS); + SCTP_INC_STATS(net, SCTP_MIB_OUTUNORDERCHUNKS); else - SCTP_INC_STATS(SCTP_MIB_OUTORDERCHUNKS); + SCTP_INC_STATS(net, SCTP_MIB_OUTORDERCHUNKS); q->empty = 0; break; } } else { list_add_tail(&chunk->list, &q->control_chunk_list); - SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS); + SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS); } if (error < 0) @@ -478,11 +480,12 @@ void sctp_retransmit_mark(struct sctp_outq *q, void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport, sctp_retransmit_reason_t reason) { + struct net *net = sock_net(q->asoc->base.sk); int error = 0; switch(reason) { case SCTP_RTXR_T3_RTX: - SCTP_INC_STATS(SCTP_MIB_T3_RETRANSMITS); + SCTP_INC_STATS(net, SCTP_MIB_T3_RETRANSMITS); sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_T3_RTX); /* Update the retran path if the T3-rtx timer has expired for * the current retran path. @@ -493,15 +496,15 @@ void sctp_retransmit(struct sctp_outq *q, struct sctp_transport *transport, transport->asoc->unack_data; break; case SCTP_RTXR_FAST_RTX: - SCTP_INC_STATS(SCTP_MIB_FAST_RETRANSMITS); + SCTP_INC_STATS(net, SCTP_MIB_FAST_RETRANSMITS); sctp_transport_lower_cwnd(transport, SCTP_LOWER_CWND_FAST_RTX); q->fast_rtx = 1; break; case SCTP_RTXR_PMTUD: - SCTP_INC_STATS(SCTP_MIB_PMTUD_RETRANSMITS); + SCTP_INC_STATS(net, SCTP_MIB_PMTUD_RETRANSMITS); break; case SCTP_RTXR_T1_RTX: - SCTP_INC_STATS(SCTP_MIB_T1_RETRANSMITS); + SCTP_INC_STATS(net, SCTP_MIB_T1_RETRANSMITS); transport->asoc->init_retries++; break; default: @@ -589,9 +592,8 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt, * next chunk. */ if (chunk->tsn_gap_acked) { - list_del(&chunk->transmitted_list); - list_add_tail(&chunk->transmitted_list, - &transport->transmitted); + list_move_tail(&chunk->transmitted_list, + &transport->transmitted); continue; } @@ -655,9 +657,8 @@ redo: /* The append was successful, so add this chunk to * the transmitted list. */ - list_del(&chunk->transmitted_list); - list_add_tail(&chunk->transmitted_list, - &transport->transmitted); + list_move_tail(&chunk->transmitted_list, + &transport->transmitted); /* Mark the chunk as ineligible for fast retransmit * after it is retransmitted. @@ -1139,9 +1140,10 @@ static void sctp_sack_update_unack_data(struct sctp_association *assoc, * Process the SACK against the outqueue. Mostly, this just frees * things off the transmitted queue. */ -int sctp_outq_sack(struct sctp_outq *q, struct sctp_sackhdr *sack) +int sctp_outq_sack(struct sctp_outq *q, struct sctp_chunk *chunk) { struct sctp_association *asoc = q->asoc; + struct sctp_sackhdr *sack = chunk->subh.sack_hdr; struct sctp_transport *transport; struct sctp_chunk *tchunk = NULL; struct list_head *lchunk, *transport_list, *temp; @@ -1210,7 +1212,7 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_sackhdr *sack) /* Run through the retransmit queue. Credit bytes received * and free those chunks that we can. */ - sctp_check_transmitted(q, &q->retransmit, NULL, sack, &highest_new_tsn); + sctp_check_transmitted(q, &q->retransmit, NULL, NULL, sack, &highest_new_tsn); /* Run through the transmitted queue. * Credit bytes received and free those chunks which we can. @@ -1219,7 +1221,8 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_sackhdr *sack) */ list_for_each_entry(transport, transport_list, transports) { sctp_check_transmitted(q, &transport->transmitted, - transport, sack, &highest_new_tsn); + transport, &chunk->source, sack, + &highest_new_tsn); /* * SFR-CACC algorithm: * C) Let count_of_newacks be the number of @@ -1326,6 +1329,7 @@ int sctp_outq_is_empty(const struct sctp_outq *q) static void sctp_check_transmitted(struct sctp_outq *q, struct list_head *transmitted_queue, struct sctp_transport *transport, + union sctp_addr *saddr, struct sctp_sackhdr *sack, __u32 *highest_new_tsn_in_sack) { @@ -1633,8 +1637,9 @@ static void sctp_check_transmitted(struct sctp_outq *q, /* Mark the destination transport address as * active if it is not so marked. */ - if ((transport->state == SCTP_INACTIVE) || - (transport->state == SCTP_UNCONFIRMED)) { + if ((transport->state == SCTP_INACTIVE || + transport->state == SCTP_UNCONFIRMED) && + sctp_cmp_addr_exact(&transport->ipaddr, saddr)) { sctp_assoc_control_transport( transport->asoc, transport, @@ -1914,6 +1919,6 @@ static void sctp_generate_fwdtsn(struct sctp_outq *q, __u32 ctsn) if (ftsn_chunk) { list_add_tail(&ftsn_chunk->list, &q->control_chunk_list); - SCTP_INC_STATS(SCTP_MIB_OUTCTRLCHUNKS); + SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_OUTCTRLCHUNKS); } } |
