Searched refs:rwnd (Results 1 - 14 of 14) sorted by relevance

/linux-4.1.27/net/sctp/
H A Dassociola.c173 asoc->rwnd = SCTP_DEFAULT_MINWINDOW; sctp_association_init()
175 asoc->rwnd = sk->sk_rcvbuf/2; sctp_association_init()
177 asoc->a_rwnd = asoc->rwnd; sctp_association_init()
180 asoc->peer.rwnd = SCTP_DEFAULT_MAXWINDOW; sctp_association_init()
1098 asoc->peer.rwnd = new->peer.rwnd; sctp_assoc_update()
1427 if ((asoc->rwnd > asoc->a_rwnd) && sctp_peer_needs_update()
1428 ((asoc->rwnd - asoc->a_rwnd) >= max_t(__u32, sctp_peer_needs_update()
1439 /* Increase asoc's rwnd by len and send any window update SACK if needed. */ sctp_assoc_rwnd_increase()
1449 asoc->rwnd += (len - asoc->rwnd_over); sctp_assoc_rwnd_increase()
1453 asoc->rwnd += len; sctp_assoc_rwnd_increase()
1457 * once our rwnd had reached the accumulated pressure sctp_assoc_rwnd_increase()
1461 if (asoc->rwnd_press && asoc->rwnd >= asoc->rwnd_press) { sctp_assoc_rwnd_increase()
1463 asoc->rwnd += change; sctp_assoc_rwnd_increase()
1467 pr_debug("%s: asoc:%p rwnd increased by %d to (%u, %u) - %u\n", sctp_assoc_rwnd_increase()
1468 __func__, asoc, len, asoc->rwnd, asoc->rwnd_over, sctp_assoc_rwnd_increase()
1471 /* Send a window update SACK if the rwnd has increased by at least the sctp_assoc_rwnd_increase()
1477 asoc->a_rwnd = asoc->rwnd; sctp_assoc_rwnd_increase()
1479 pr_debug("%s: sending window update SACK- asoc:%p rwnd:%u " sctp_assoc_rwnd_increase()
1480 "a_rwnd:%u\n", __func__, asoc, asoc->rwnd, sctp_assoc_rwnd_increase()
1498 /* Decrease asoc's rwnd by len. */ sctp_assoc_rwnd_decrease()
1504 if (unlikely(!asoc->rwnd || asoc->rwnd_over)) sctp_assoc_rwnd_decrease()
1505 pr_debug("%s: association:%p has asoc->rwnd:%u, " sctp_assoc_rwnd_decrease()
1507 asoc->rwnd, asoc->rwnd_over); sctp_assoc_rwnd_decrease()
1515 * a 0 rwnd if rwnd would still be positive. Store the sctp_assoc_rwnd_decrease()
1522 if (asoc->rwnd >= len) { sctp_assoc_rwnd_decrease()
1523 asoc->rwnd -= len; sctp_assoc_rwnd_decrease()
1525 asoc->rwnd_press += asoc->rwnd; sctp_assoc_rwnd_decrease()
1526 asoc->rwnd = 0; sctp_assoc_rwnd_decrease()
1529 asoc->rwnd_over = len - asoc->rwnd; sctp_assoc_rwnd_decrease()
1530 asoc->rwnd = 0; sctp_assoc_rwnd_decrease()
1533 pr_debug("%s: asoc:%p rwnd decreased by %d to (%u, %u, %u)\n", sctp_assoc_rwnd_decrease()
1534 __func__, asoc, len, asoc->rwnd, asoc->rwnd_over, sctp_assoc_rwnd_decrease()
H A Doutput.c248 asoc->a_rwnd = asoc->rwnd; sctp_packet_bundle_sack()
638 size_t datasize, rwnd, inflight, flight_size; sctp_packet_can_append_data() local
646 * any destination transport address if its peer's rwnd indicates sctp_packet_can_append_data()
647 * that the peer has no buffer space (i.e. rwnd is 0, see Section sctp_packet_can_append_data()
648 * 6.2.1). However, regardless of the value of rwnd (including if it sctp_packet_can_append_data()
651 * allows the sender to probe for a change in rwnd that the sender sctp_packet_can_append_data()
656 rwnd = asoc->peer.rwnd; sctp_packet_can_append_data()
662 if (datasize > rwnd && inflight > 0) sctp_packet_can_append_data()
727 u32 rwnd = asoc->peer.rwnd; sctp_packet_append_data() local
735 /* Update our view of the receiver's rwnd. */ sctp_packet_append_data()
736 if (datasize < rwnd) sctp_packet_append_data()
737 rwnd -= datasize; sctp_packet_append_data()
739 rwnd = 0; sctp_packet_append_data()
741 asoc->peer.rwnd = rwnd; sctp_packet_append_data()
H A Dprobe.c160 asoc->pathmtu, asoc->peer.rwnd, asoc->unack_data); jsctp_sf_eat_sack()
H A Doutqueue.c402 q->asoc->peer.rwnd += sctp_data_size(chunk); sctp_retransmit_mark()
420 * chunks to the rwnd. sctp_retransmit_mark()
422 q->asoc->peer.rwnd += sctp_data_size(chunk); sctp_retransmit_mark()
1248 /* ii) Set rwnd equal to the newly received a_rwnd minus the
1261 asoc->peer.rwnd = sack_a_rwnd;
1535 if (!q->asoc->peer.rwnd && sctp_check_transmitted()
H A Dulpevent.c961 /* Set the owner and charge rwnd for bytes received. */ sctp_ulpevent_receive_data()
969 * fragment of the real event. However, we still need to do rwnd sctp_ulpevent_receive_data()
1036 * to the owner, updating the rwnd in case of a DATA event and freeing the
H A Dsm_statefuns.c1336 new_asoc->rwnd = asoc->rwnd; sctp_tietags_populate()
3135 * ii) Set rwnd equal to the newly received a_rwnd minus the number
5419 * We are here likely because the receiver had its rwnd sctp_sf_do_6_3_3_rtx()
6168 if ((datalen >= asoc->rwnd) && (!asoc->ulpq.pd_mode)) { sctp_eat_data()
6176 /* Spill over rwnd a little bit. Note: While allowed, this spill over sctp_eat_data()
6181 if ((!chunk->data_accepted) && (!asoc->rwnd || asoc->rwnd_over || sctp_eat_data()
6182 (datalen > asoc->rwnd + asoc->frag_point))) { sctp_eat_data()
6195 pr_debug("%s: discard tsn:%u len:%zu, rwnd:%d\n", sctp_eat_data()
6196 __func__, tsn, datalen, asoc->rwnd); sctp_eat_data()
6298 * chunk needs the updated rwnd. sctp_eat_data()
H A Dsm_sideeffect.c218 asoc->a_rwnd = asoc->rwnd; sctp_gen_sack()
1636 sackh.a_rwnd = asoc->peer.rwnd + sctp_cmd_interpreter()
H A Dsocket.c2143 * rwnd by that amount. If all the data in the skb is read, sctp_recvmsg()
2144 * rwnd is updated when the event is freed. sctp_recvmsg()
2164 * rwnd. sctp_recvmsg()
3300 * invoked to help free up rwnd space for the peer. Setting this to a
3323 * it to be, also initial rwnd is based on rcvbuf/2. sctp_setsockopt_partial_delivery_point()
4259 status.sstat_rwnd = asoc->peer.rwnd; sctp_getsockopt_sctp_status()
4286 pr_debug("%s: len:%d, state:%d, rwnd:%d, assoc_id:%d\n", sctp_getsockopt_sctp_status()
5287 assocparams.sasoc_peer_rwnd = asoc->peer.rwnd; sctp_getsockopt_associnfo()
H A Dsm_make_chunk.c249 init.a_rwnd = htonl(asoc->rwnd); sctp_make_init()
408 initack.a_rwnd = htonl(asoc->rwnd); sctp_make_init_ack()
2400 /* Peer Rwnd : Current calculated value of the peer's rwnd. */
2401 asoc->peer.rwnd = asoc->peer.i.a_rwnd;
H A Dulpqueue.c1033 /* Partial deliver the first message as there is pressure on rwnd. */ sctp_ulpq_partial_delivery()
H A Dprotocol.c1242 /* Set the default rwnd update threshold */ sctp_defaults_init()
/linux-4.1.27/include/net/netns/
H A Dsctp.h126 /* Threshold for rwnd update SACKS. Receive buffer shifted this many
/linux-4.1.27/include/net/sctp/
H A Dconstants.h288 #define SCTP_DEFAULT_MINWINDOW 1500 /* default minimum rwnd size */
289 #define SCTP_DEFAULT_MAXWINDOW 65535 /* default rwnd size */
H A Dstructs.h1383 /* rwnd
1385 * Peer Rwnd : Current calculated value of the peer's rwnd.
1387 __u32 rwnd; member in struct:sctp_association::__anon12818
1658 __u32 rwnd; member in struct:sctp_association
1660 /* This is the last advertised value of rwnd over a SACK chunk. */
1663 /* Number of bytes by which the rwnd has slopped. The rwnd is allowed
1668 /* Keeps treack of rwnd pressure. This happens when we have

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