Lines Matching +full:tx +full:- +full:sched +full:- +full:sp
1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (c) 1999-2000 Cisco, Inc.
5 * Copyright (c) 1999-2001 Motorola, Inc.
6 * Copyright (c) 2001-2003 Intel Corp.
7 * Copyright (c) 2001-2002 Nokia, Inc.
16 * functions--this file is the functions which populate the struct proto
21 * lksctp developers <linux-sctp@vger.kernel.org>
31 * Inaky Perez-Gonzalez <inaky.gonzalez@intel.com>
45 #include <linux/sched/signal.h>
107 struct sock *sk = asoc->base.sk; in sctp_wspace()
109 return asoc->ep->sndbuf_policy ? sk->sk_sndbuf - asoc->sndbuf_used in sctp_wspace()
117 * Since it is always 1-1 between chunk and skb, and also a new skb is always
124 struct sctp_association *asoc = chunk->asoc; in sctp_set_owner_w()
125 struct sock *sk = asoc->base.sk; in sctp_set_owner_w()
130 if (chunk->shkey) in sctp_set_owner_w()
131 sctp_auth_shkey_hold(chunk->shkey); in sctp_set_owner_w()
133 skb_set_owner_w(chunk->skb, sk); in sctp_set_owner_w()
135 chunk->skb->destructor = sctp_wfree; in sctp_set_owner_w()
137 skb_shinfo(chunk->skb)->destructor_arg = chunk; in sctp_set_owner_w()
139 refcount_add(sizeof(struct sctp_chunk), &sk->sk_wmem_alloc); in sctp_set_owner_w()
140 asoc->sndbuf_used += chunk->skb->truesize + sizeof(struct sctp_chunk); in sctp_set_owner_w()
141 sk->sk_wmem_queued += chunk->skb->truesize + sizeof(struct sctp_chunk); in sctp_set_owner_w()
142 sk_mem_charge(sk, chunk->skb->truesize); in sctp_set_owner_w()
147 skb_orphan(chunk->skb); in sctp_clear_owner_w()
152 msg = chunk->msg; \
155 list_for_each_entry(c, &msg->chunks, frag_list) { \
156 if ((clear && asoc->base.sk == c->skb->sk) || \
157 (!clear && asoc->base.sk != c->skb->sk)) \
169 struct sctp_outq *q = &asoc->outqueue; in sctp_for_each_tx_datachunk()
173 list_for_each_entry(t, &asoc->peer.transport_addr_list, transports) in sctp_for_each_tx_datachunk()
174 list_for_each_entry(chunk, &t->transmitted, transmitted_list) in sctp_for_each_tx_datachunk()
177 list_for_each_entry(chunk, &q->retransmit, transmitted_list) in sctp_for_each_tx_datachunk()
180 list_for_each_entry(chunk, &q->sacked, transmitted_list) in sctp_for_each_tx_datachunk()
183 list_for_each_entry(chunk, &q->abandoned, transmitted_list) in sctp_for_each_tx_datachunk()
186 list_for_each_entry(chunk, &q->out_chunk_list, list) in sctp_for_each_tx_datachunk()
196 sctp_skb_for_each(skb, &asoc->ulpq.lobby, tmp) in sctp_for_each_rx_skb()
199 sctp_skb_for_each(skb, &asoc->ulpq.reasm, tmp) in sctp_for_each_rx_skb()
202 sctp_skb_for_each(skb, &asoc->ulpq.reasm_uo, tmp) in sctp_for_each_rx_skb()
215 return -EINVAL; in sctp_verify_addr()
218 if (!af->addr_valid(addr, sctp_sk(sk), NULL)) in sctp_verify_addr()
219 return -EINVAL; in sctp_verify_addr()
221 if (!sctp_sk(sk)->pf->send_verify(sctp_sk(sk), (addr))) in sctp_verify_addr()
222 return -EINVAL; in sctp_verify_addr()
227 /* Look up the association by its id. If this is not a UDP-style
234 /* If this is not a UDP-style socket, assoc id should be ignored. */ in sctp_id2assoc()
237 * could be a TCP-style listening socket or a socket which in sctp_id2assoc()
244 if (!list_empty(&sctp_sk(sk)->ep->asocs)) in sctp_id2assoc()
245 asoc = list_entry(sctp_sk(sk)->ep->asocs.next, in sctp_id2assoc()
250 /* Otherwise this is a UDP-style socket. */ in sctp_id2assoc()
256 if (asoc && (asoc->base.sk != sk || asoc->base.dead)) in sctp_id2assoc()
272 struct sctp_af *af = sctp_get_af_specific(addr->ss_family); in sctp_addr_id2transport()
276 if (!af || sctp_verify_addr(sk, laddr, af->sockaddr_len)) in sctp_addr_id2transport()
279 addr_asoc = sctp_endpoint_lookup_assoc(sctp_sk(sk)->ep, in sctp_addr_id2transport()
290 sctp_get_pf_specific(sk->sk_family)->addr_to_user(sctp_sk(sk), in sctp_addr_id2transport()
296 /* API 3.1.2 bind() - UDP Style Syntax
301 * sd - the socket descriptor returned by socket().
302 * addr - the address structure (struct sockaddr_in or struct
304 * addr_len - the size of the address structure.
316 if (!sctp_sk(sk)->ep->base.bind_addr.port) in sctp_bind()
320 retval = -EINVAL; in sctp_bind()
339 if (!opt->pf->af_supported(addr->sa.sa_family, opt)) in sctp_sockaddr_af()
342 if (addr->sa.sa_family == AF_INET6) { in sctp_sockaddr_af()
346 if (ipv6_addr_v4mapped(&addr->v6.sin6_addr) && in sctp_sockaddr_af()
347 !opt->pf->af_supported(AF_INET, opt)) in sctp_sockaddr_af()
352 af = sctp_get_af_specific(addr->sa.sa_family); in sctp_sockaddr_af()
354 if (len < af->sockaddr_len) in sctp_sockaddr_af()
360 static void sctp_auto_asconf_init(struct sctp_sock *sp) in sctp_auto_asconf_init() argument
362 struct net *net = sock_net(&sp->inet.sk); in sctp_auto_asconf_init()
364 if (net->sctp.default_auto_asconf) { in sctp_auto_asconf_init()
365 spin_lock(&net->sctp.addr_wq_lock); in sctp_auto_asconf_init()
366 list_add_tail(&sp->auto_asconf_list, &net->sctp.auto_asconf_splist); in sctp_auto_asconf_init()
367 spin_unlock(&net->sctp.addr_wq_lock); in sctp_auto_asconf_init()
368 sp->do_auto_asconf = 1; in sctp_auto_asconf_init()
376 struct sctp_sock *sp = sctp_sk(sk); in sctp_do_bind() local
377 struct sctp_endpoint *ep = sp->ep; in sctp_do_bind()
378 struct sctp_bind_addr *bp = &ep->base.bind_addr; in sctp_do_bind()
384 af = sctp_sockaddr_af(sp, addr, len); in sctp_do_bind()
388 return -EINVAL; in sctp_do_bind()
391 snum = ntohs(addr->v4.sin_port); in sctp_do_bind()
394 __func__, sk, &addr->sa, bp->port, snum, len); in sctp_do_bind()
397 if (!sp->pf->bind_verify(sp, addr)) in sctp_do_bind()
398 return -EADDRNOTAVAIL; in sctp_do_bind()
404 if (bp->port) { in sctp_do_bind()
406 snum = bp->port; in sctp_do_bind()
407 else if (snum != bp->port) { in sctp_do_bind()
409 "%d\n", __func__, snum, bp->port); in sctp_do_bind()
410 return -EINVAL; in sctp_do_bind()
415 return -EPERM; in sctp_do_bind()
418 !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) in sctp_do_bind()
419 return -EACCES; in sctp_do_bind()
424 if (sctp_bind_addr_match(bp, addr, sp)) in sctp_do_bind()
425 return -EINVAL; in sctp_do_bind()
431 addr->v4.sin_port = htons(snum); in sctp_do_bind()
433 return -EADDRINUSE; in sctp_do_bind()
436 if (!bp->port) { in sctp_do_bind()
437 bp->port = inet_sk(sk)->inet_num; in sctp_do_bind()
438 sctp_auto_asconf_init(sp); in sctp_do_bind()
444 ret = sctp_add_bind_addr(bp, addr, af->sockaddr_len, in sctp_do_bind()
452 inet_sk(sk)->inet_sport = htons(inet_sk(sk)->inet_num); in sctp_do_bind()
453 sp->pf->to_sk_saddr(addr, sk); in sctp_do_bind()
463 * ASCONF-ACK Chunk returns from the previous ASCONF Chunk before sending a
465 * time two ASCONF may be in-transit on any given association (one sent
476 if (asoc->addip_last_asconf) { in sctp_send_asconf()
477 list_add_tail(&chunk->list, &asoc->addip_chunk_list); in sctp_send_asconf()
483 retval = sctp_primitive_ASCONF(asoc->base.net, asoc, chunk); in sctp_send_asconf()
487 asoc->addip_last_asconf = chunk; in sctp_send_asconf()
522 af = sctp_get_af_specific(sa_addr->sa_family); in sctp_bindx_add()
524 retval = -EINVAL; in sctp_bindx_add()
529 af->sockaddr_len); in sctp_bindx_add()
531 addr_buf += af->sockaddr_len; in sctp_bindx_add()
559 struct sctp_sock *sp; in sctp_send_asconf_add_ip() local
573 sp = sctp_sk(sk); in sctp_send_asconf_add_ip()
574 ep = sp->ep; in sctp_send_asconf_add_ip()
576 if (!ep->asconf_enable) in sctp_send_asconf_add_ip()
582 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_send_asconf_add_ip()
583 if (!asoc->peer.asconf_capable) in sctp_send_asconf_add_ip()
586 if (asoc->peer.addip_disabled_mask & SCTP_PARAM_ADD_IP) in sctp_send_asconf_add_ip()
600 af = sctp_get_af_specific(addr->v4.sin_family); in sctp_send_asconf_add_ip()
602 retval = -EINVAL; in sctp_send_asconf_add_ip()
609 addr_buf += af->sockaddr_len; in sctp_send_asconf_add_ip()
617 bp = &asoc->base.bind_addr; in sctp_send_asconf_add_ip()
618 p = bp->address_list.next; in sctp_send_asconf_add_ip()
620 chunk = sctp_make_asconf_update_ip(asoc, &laddr->a, addrs, in sctp_send_asconf_add_ip()
623 retval = -ENOMEM; in sctp_send_asconf_add_ip()
633 af = sctp_get_af_specific(addr->v4.sin_family); in sctp_send_asconf_add_ip()
634 memcpy(&saveaddr, addr, af->sockaddr_len); in sctp_send_asconf_add_ip()
638 addr_buf += af->sockaddr_len; in sctp_send_asconf_add_ip()
640 if (asoc->src_out_of_asoc_ok) { in sctp_send_asconf_add_ip()
644 &asoc->peer.transport_addr_list, transports) { in sctp_send_asconf_add_ip()
645 trans->cwnd = min(4*asoc->pathmtu, max_t(__u32, in sctp_send_asconf_add_ip()
646 2*asoc->pathmtu, 4380)); in sctp_send_asconf_add_ip()
647 trans->ssthresh = asoc->peer.i.a_rwnd; in sctp_send_asconf_add_ip()
648 trans->rto = asoc->rto_initial; in sctp_send_asconf_add_ip()
650 trans->rtt = trans->srtt = trans->rttvar = 0; in sctp_send_asconf_add_ip()
653 sctp_sk(asoc->base.sk)); in sctp_send_asconf_add_ip()
674 * available, the operation will return -EBUSY.
680 struct sctp_sock *sp = sctp_sk(sk); in sctp_bindx_rem() local
681 struct sctp_endpoint *ep = sp->ep; in sctp_bindx_rem()
683 struct sctp_bind_addr *bp = &ep->base.bind_addr; in sctp_bindx_rem()
698 if (list_empty(&bp->address_list) || in sctp_bindx_rem()
699 (sctp_list_single_entry(&bp->address_list))) { in sctp_bindx_rem()
700 retval = -EBUSY; in sctp_bindx_rem()
705 af = sctp_get_af_specific(sa_addr->sa.sa_family); in sctp_bindx_rem()
707 retval = -EINVAL; in sctp_bindx_rem()
711 if (!af->addr_valid(sa_addr, sp, NULL)) { in sctp_bindx_rem()
712 retval = -EADDRNOTAVAIL; in sctp_bindx_rem()
716 if (sa_addr->v4.sin_port && in sctp_bindx_rem()
717 sa_addr->v4.sin_port != htons(bp->port)) { in sctp_bindx_rem()
718 retval = -EINVAL; in sctp_bindx_rem()
722 if (!sa_addr->v4.sin_port) in sctp_bindx_rem()
723 sa_addr->v4.sin_port = htons(bp->port); in sctp_bindx_rem()
725 /* FIXME - There is probably a need to check if sk->sk_saddr and in sctp_bindx_rem()
726 * sk->sk_rcv_addr are currently set to one of the addresses to in sctp_bindx_rem()
728 * when we are fixing the outstanding issues with multi-homing in sctp_bindx_rem()
730 * sctp_do_bind(). -daisy in sctp_bindx_rem()
734 addr_buf += af->sockaddr_len; in sctp_bindx_rem()
761 struct sctp_sock *sp; in sctp_send_asconf_del_ip() local
776 sp = sctp_sk(sk); in sctp_send_asconf_del_ip()
777 ep = sp->ep; in sctp_send_asconf_del_ip()
779 if (!ep->asconf_enable) in sctp_send_asconf_del_ip()
785 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_send_asconf_del_ip()
787 if (!asoc->peer.asconf_capable) in sctp_send_asconf_del_ip()
790 if (asoc->peer.addip_disabled_mask & SCTP_PARAM_DEL_IP) in sctp_send_asconf_del_ip()
804 af = sctp_get_af_specific(laddr->v4.sin_family); in sctp_send_asconf_del_ip()
806 retval = -EINVAL; in sctp_send_asconf_del_ip()
813 addr_buf += af->sockaddr_len; in sctp_send_asconf_del_ip()
823 bp = &asoc->base.bind_addr; in sctp_send_asconf_del_ip()
825 addrcnt, sp); in sctp_send_asconf_del_ip()
827 if (asoc->asconf_addr_del_pending) in sctp_send_asconf_del_ip()
829 asoc->asconf_addr_del_pending = in sctp_send_asconf_del_ip()
831 if (asoc->asconf_addr_del_pending == NULL) { in sctp_send_asconf_del_ip()
832 retval = -ENOMEM; in sctp_send_asconf_del_ip()
835 asoc->asconf_addr_del_pending->sa.sa_family = in sctp_send_asconf_del_ip()
836 addrs->sa_family; in sctp_send_asconf_del_ip()
837 asoc->asconf_addr_del_pending->v4.sin_port = in sctp_send_asconf_del_ip()
838 htons(bp->port); in sctp_send_asconf_del_ip()
839 if (addrs->sa_family == AF_INET) { in sctp_send_asconf_del_ip()
843 asoc->asconf_addr_del_pending->v4.sin_addr.s_addr = sin->sin_addr.s_addr; in sctp_send_asconf_del_ip()
844 } else if (addrs->sa_family == AF_INET6) { in sctp_send_asconf_del_ip()
848 asoc->asconf_addr_del_pending->v6.sin6_addr = sin6->sin6_addr; in sctp_send_asconf_del_ip()
852 __func__, asoc, &asoc->asconf_addr_del_pending->sa, in sctp_send_asconf_del_ip()
853 asoc->asconf_addr_del_pending); in sctp_send_asconf_del_ip()
855 asoc->src_out_of_asoc_ok = 1; in sctp_send_asconf_del_ip()
861 return -EINVAL; in sctp_send_asconf_del_ip()
870 retval = -ENOMEM; in sctp_send_asconf_del_ip()
881 af = sctp_get_af_specific(laddr->v4.sin_family); in sctp_send_asconf_del_ip()
882 list_for_each_entry(saddr, &bp->address_list, list) { in sctp_send_asconf_del_ip()
883 if (sctp_cmp_addr_exact(&saddr->a, laddr)) in sctp_send_asconf_del_ip()
884 saddr->state = SCTP_ADDR_DEL; in sctp_send_asconf_del_ip()
886 addr_buf += af->sockaddr_len; in sctp_send_asconf_del_ip()
893 list_for_each_entry(transport, &asoc->peer.transport_addr_list, in sctp_send_asconf_del_ip()
896 sctp_sk(asoc->base.sk)); in sctp_send_asconf_del_ip()
909 int sctp_asconf_mgmt(struct sctp_sock *sp, struct sctp_sockaddr_entry *addrw) in sctp_asconf_mgmt() argument
911 struct sock *sk = sctp_opt2sk(sp); in sctp_asconf_mgmt()
916 addr = &addrw->a; in sctp_asconf_mgmt()
917 addr->v4.sin_port = htons(sp->ep->base.bind_addr.port); in sctp_asconf_mgmt()
918 af = sctp_get_af_specific(addr->sa.sa_family); in sctp_asconf_mgmt()
920 return -EINVAL; in sctp_asconf_mgmt()
921 if (sctp_verify_addr(sk, addr, af->sockaddr_len)) in sctp_asconf_mgmt()
922 return -EINVAL; in sctp_asconf_mgmt()
924 if (addrw->state == SCTP_ADDR_NEW) in sctp_asconf_mgmt()
951 * -1, and sets errno to the appropriate error code.
1013 return -EINVAL; in sctp_setsockopt_bindx()
1018 return -EINVAL; in sctp_setsockopt_bindx()
1021 af = sctp_get_af_specific(sa_addr->sa_family); in sctp_setsockopt_bindx()
1026 if (!af || (walk_size + af->sockaddr_len) > addrs_size) in sctp_setsockopt_bindx()
1027 return -EINVAL; in sctp_setsockopt_bindx()
1029 addr_buf += af->sockaddr_len; in sctp_setsockopt_bindx()
1030 walk_size += af->sockaddr_len; in sctp_setsockopt_bindx()
1052 return -EINVAL; in sctp_setsockopt_bindx()
1073 struct sock *sk = ep->base.sk; in sctp_connect_new_asoc()
1079 return -EADDRNOTAVAIL; in sctp_connect_new_asoc()
1081 if (!ep->base.bind_addr.port) { in sctp_connect_new_asoc()
1083 return -EAGAIN; in sctp_connect_new_asoc()
1085 if (inet_is_local_unbindable_port(net, ep->base.bind_addr.port)) in sctp_connect_new_asoc()
1086 return -EPERM; in sctp_connect_new_asoc()
1087 if (inet_port_requires_bind_service(net, ep->base.bind_addr.port) && in sctp_connect_new_asoc()
1088 !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) in sctp_connect_new_asoc()
1089 return -EACCES; in sctp_connect_new_asoc()
1095 return -ENOMEM; in sctp_connect_new_asoc()
1103 err = -ENOMEM; in sctp_connect_new_asoc()
1110 if (init->sinit_num_ostreams) { in sctp_connect_new_asoc()
1111 __u16 outcnt = init->sinit_num_ostreams; in sctp_connect_new_asoc()
1113 asoc->c.sinit_num_ostreams = outcnt; in sctp_connect_new_asoc()
1114 /* outcnt has been changed, need to re-init stream */ in sctp_connect_new_asoc()
1115 err = sctp_stream_init(&asoc->stream, outcnt, 0, GFP_KERNEL); in sctp_connect_new_asoc()
1120 if (init->sinit_max_instreams) in sctp_connect_new_asoc()
1121 asoc->c.sinit_max_instreams = init->sinit_max_instreams; in sctp_connect_new_asoc()
1123 if (init->sinit_max_attempts) in sctp_connect_new_asoc()
1124 asoc->max_init_attempts = init->sinit_max_attempts; in sctp_connect_new_asoc()
1126 if (init->sinit_max_init_timeo) in sctp_connect_new_asoc()
1127 asoc->max_init_timeo = in sctp_connect_new_asoc()
1128 msecs_to_jiffies(init->sinit_max_init_timeo); in sctp_connect_new_asoc()
1139 struct sctp_endpoint *ep = asoc->ep; in sctp_connect_add_peer()
1144 err = sctp_verify_addr(ep->base.sk, daddr, addr_len); in sctp_connect_add_peer()
1150 return old->state >= SCTP_STATE_ESTABLISHED ? -EISCONN in sctp_connect_add_peer()
1151 : -EALREADY; in sctp_connect_add_peer()
1154 return -EADDRNOTAVAIL; in sctp_connect_add_peer()
1158 return -ENOMEM; in sctp_connect_add_peer()
1171 struct sctp_sock *sp = sctp_sk(sk); in __sctp_connect() local
1172 struct sctp_endpoint *ep = sp->ep; in __sctp_connect()
1183 return -EISCONN; in __sctp_connect()
1186 af = sctp_get_af_specific(daddr->sa.sa_family); in __sctp_connect()
1187 if (!af || af->sockaddr_len > addrs_size) in __sctp_connect()
1188 return -EINVAL; in __sctp_connect()
1190 err = sctp_verify_addr(sk, daddr, af->sockaddr_len); in __sctp_connect()
1196 return asoc->state >= SCTP_STATE_ESTABLISHED ? -EISCONN in __sctp_connect()
1197 : -EALREADY; in __sctp_connect()
1202 asoc = transport->asoc; in __sctp_connect()
1204 addr_buf += af->sockaddr_len; in __sctp_connect()
1205 walk_size = af->sockaddr_len; in __sctp_connect()
1207 err = -EINVAL; in __sctp_connect()
1212 af = sctp_get_af_specific(daddr->sa.sa_family); in __sctp_connect()
1213 if (!af || af->sockaddr_len + walk_size > addrs_size) in __sctp_connect()
1216 if (asoc->peer.port != ntohs(daddr->v4.sin_port)) in __sctp_connect()
1219 err = sctp_connect_add_peer(asoc, daddr, af->sockaddr_len); in __sctp_connect()
1223 addr_buf += af->sockaddr_len; in __sctp_connect()
1224 walk_size += af->sockaddr_len; in __sctp_connect()
1241 inet_sk(sk)->inet_dport = htons(asoc->peer.port); in __sctp_connect()
1242 sp->pf->to_sk_daddr(daddr, sk); in __sctp_connect()
1243 sk->sk_err = 0; in __sctp_connect()
1246 *assoc_id = asoc->assoc_id; in __sctp_connect()
1280 * returns -1, and sets errno to the appropriate error code. The assoc_id
1287 * an endpoint that is multi-homed. Much like sctp_bindx() this call
1323 return -EINVAL; in __sctp_setsockopt_connectx()
1332 /* in-kernel sockets don't generally have a file allocated to them in __sctp_setsockopt_connectx()
1335 if (sk->sk_socket->file) in __sctp_setsockopt_connectx()
1336 flags = sk->sk_socket->file->f_flags; in __sctp_setsockopt_connectx()
1375 * We use the sctp_getaddrs_old structure so that use-space library
1378 * addrs_num structure member. That way we can re-use the existing
1403 return -EINVAL; in sctp_getsockopt_connectx3()
1405 return -EFAULT; in sctp_getsockopt_connectx3()
1414 return -EINVAL; in sctp_getsockopt_connectx3()
1416 return -EFAULT; in sctp_getsockopt_connectx3()
1425 if (err == 0 || err == -EINPROGRESS) { in sctp_getsockopt_connectx3()
1427 return -EFAULT; in sctp_getsockopt_connectx3()
1429 return -EFAULT; in sctp_getsockopt_connectx3()
1435 /* API 3.1.4 close() - UDP Style Syntax
1438 * by a UDP-style socket.
1444 * sd - the socket descriptor of the associations to be closed.
1447 * UDP-style socket, an application should use the sendmsg() call,
1451 * If sd in the close() call is a branched-off socket representing only
1454 * 4.1.6 close() - TCP Style Syntax
1462 * sd - the socket descriptor of the association to be closed.
1469 * An application using the TCP-style socket can use this option to
1496 sk->sk_shutdown = SHUTDOWN_MASK; in sctp_close()
1499 ep = sctp_sk(sk)->ep; in sctp_close()
1502 data_was_unread = sctp_queue_purge_ulpevents(&sk->sk_receive_queue); in sctp_close()
1503 data_was_unread += sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby); in sctp_close()
1506 list_for_each_safe(pos, temp, &ep->asocs) { in sctp_close()
1511 * it belongs to a TCP-style listening socket that is in sctp_close()
1521 if (data_was_unread || !skb_queue_empty(&asoc->ulpq.lobby) || in sctp_close()
1522 !skb_queue_empty(&asoc->ulpq.reasm) || in sctp_close()
1523 !skb_queue_empty(&asoc->ulpq.reasm_uo) || in sctp_close()
1524 (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)) { in sctp_close()
1533 /* On a TCP-style socket, block for at most linger_time if set. */ in sctp_close()
1545 spin_lock_bh(&net->sctp.addr_wq_lock); in sctp_close()
1555 spin_unlock_bh(&net->sctp.addr_wq_lock); in sctp_close()
1565 if (err == -EPIPE) in sctp_error()
1566 err = sock_error(sk) ? : -EPIPE; in sctp_error()
1567 if (err == -EPIPE && !(flags & MSG_NOSIGNAL)) in sctp_error()
1572 /* API 3.1.3 sendmsg() - UDP Style Syntax
1580 * socket - the socket descriptor of the endpoint.
1581 * message - pointer to the msghdr structure which contains a single
1587 * flags - flags sent or received with the user message, see Section
1606 return -EPIPE; in sctp_sendmsg_parse()
1608 if (msg_len > sk->sk_sndbuf) in sctp_sendmsg_parse()
1609 return -EMSGSIZE; in sctp_sendmsg_parse()
1619 if (cmsgs->srinfo) { in sctp_sendmsg_parse()
1620 srinfo->sinfo_stream = cmsgs->srinfo->sinfo_stream; in sctp_sendmsg_parse()
1621 srinfo->sinfo_flags = cmsgs->srinfo->sinfo_flags; in sctp_sendmsg_parse()
1622 srinfo->sinfo_ppid = cmsgs->srinfo->sinfo_ppid; in sctp_sendmsg_parse()
1623 srinfo->sinfo_context = cmsgs->srinfo->sinfo_context; in sctp_sendmsg_parse()
1624 srinfo->sinfo_assoc_id = cmsgs->srinfo->sinfo_assoc_id; in sctp_sendmsg_parse()
1625 srinfo->sinfo_timetolive = cmsgs->srinfo->sinfo_timetolive; in sctp_sendmsg_parse()
1628 if (cmsgs->sinfo) { in sctp_sendmsg_parse()
1629 srinfo->sinfo_stream = cmsgs->sinfo->snd_sid; in sctp_sendmsg_parse()
1630 srinfo->sinfo_flags = cmsgs->sinfo->snd_flags; in sctp_sendmsg_parse()
1631 srinfo->sinfo_ppid = cmsgs->sinfo->snd_ppid; in sctp_sendmsg_parse()
1632 srinfo->sinfo_context = cmsgs->sinfo->snd_context; in sctp_sendmsg_parse()
1633 srinfo->sinfo_assoc_id = cmsgs->sinfo->snd_assoc_id; in sctp_sendmsg_parse()
1636 if (cmsgs->prinfo) { in sctp_sendmsg_parse()
1637 srinfo->sinfo_timetolive = cmsgs->prinfo->pr_value; in sctp_sendmsg_parse()
1638 SCTP_PR_SET_POLICY(srinfo->sinfo_flags, in sctp_sendmsg_parse()
1639 cmsgs->prinfo->pr_policy); in sctp_sendmsg_parse()
1642 sflags = srinfo->sinfo_flags; in sctp_sendmsg_parse()
1647 return -EINVAL; in sctp_sendmsg_parse()
1651 return -EINVAL; in sctp_sendmsg_parse()
1653 if ((sflags & SCTP_ADDR_OVER) && !msg->msg_name) in sctp_sendmsg_parse()
1654 return -EINVAL; in sctp_sendmsg_parse()
1664 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_sendmsg_new_asoc()
1674 return -EINVAL; in sctp_sendmsg_new_asoc()
1678 return -EADDRNOTAVAIL; in sctp_sendmsg_new_asoc()
1680 /* Label connection socket for first association 1-to-many in sctp_sendmsg_new_asoc()
1681 * style for client sequence socket()->sendmsg(). This in sctp_sendmsg_new_asoc()
1686 af = sctp_get_af_specific(daddr->sa.sa_family); in sctp_sendmsg_new_asoc()
1688 return -EINVAL; in sctp_sendmsg_new_asoc()
1691 af->sockaddr_len); in sctp_sendmsg_new_asoc()
1695 err = sctp_connect_new_asoc(ep, daddr, cmsgs->init, tp); in sctp_sendmsg_new_asoc()
1698 asoc = (*tp)->asoc; in sctp_sendmsg_new_asoc()
1700 if (!cmsgs->addrs_msg) in sctp_sendmsg_new_asoc()
1703 if (daddr->sa.sa_family == AF_INET6) in sctp_sendmsg_new_asoc()
1704 flowinfo = daddr->v6.sin6_flowinfo; in sctp_sendmsg_new_asoc()
1707 for_each_cmsghdr(cmsg, cmsgs->addrs_msg) { in sctp_sendmsg_new_asoc()
1711 if (cmsg->cmsg_level != IPPROTO_SCTP || in sctp_sendmsg_new_asoc()
1712 (cmsg->cmsg_type != SCTP_DSTADDRV4 && in sctp_sendmsg_new_asoc()
1713 cmsg->cmsg_type != SCTP_DSTADDRV6)) in sctp_sendmsg_new_asoc()
1718 dlen = cmsg->cmsg_len - sizeof(struct cmsghdr); in sctp_sendmsg_new_asoc()
1719 if (cmsg->cmsg_type == SCTP_DSTADDRV4) { in sctp_sendmsg_new_asoc()
1721 err = -EINVAL; in sctp_sendmsg_new_asoc()
1726 daddr->v4.sin_family = AF_INET; in sctp_sendmsg_new_asoc()
1727 daddr->v4.sin_port = htons(asoc->peer.port); in sctp_sendmsg_new_asoc()
1728 memcpy(&daddr->v4.sin_addr, CMSG_DATA(cmsg), dlen); in sctp_sendmsg_new_asoc()
1731 err = -EINVAL; in sctp_sendmsg_new_asoc()
1736 daddr->v6.sin6_flowinfo = flowinfo; in sctp_sendmsg_new_asoc()
1737 daddr->v6.sin6_family = AF_INET6; in sctp_sendmsg_new_asoc()
1738 daddr->v6.sin6_port = htons(asoc->peer.port); in sctp_sendmsg_new_asoc()
1739 memcpy(&daddr->v6.sin6_addr, CMSG_DATA(cmsg), dlen); in sctp_sendmsg_new_asoc()
1758 struct sock *sk = asoc->base.sk; in sctp_sendmsg_check_sflags()
1762 return -EPIPE; in sctp_sendmsg_check_sflags()
1780 return -ENOMEM; in sctp_sendmsg_check_sflags()
1784 iov_iter_revert(&msg->msg_iter, msg_len); in sctp_sendmsg_check_sflags()
1797 struct sock *sk = asoc->base.sk; in sctp_sendmsg_to_asoc()
1798 struct sctp_sock *sp = sctp_sk(sk); in sctp_sendmsg_to_asoc() local
1806 if (sinfo->sinfo_stream >= asoc->stream.outcnt) { in sctp_sendmsg_to_asoc()
1807 err = -EINVAL; in sctp_sendmsg_to_asoc()
1811 if (unlikely(!SCTP_SO(&asoc->stream, sinfo->sinfo_stream)->ext)) { in sctp_sendmsg_to_asoc()
1812 err = sctp_stream_init_ext(&asoc->stream, sinfo->sinfo_stream); in sctp_sendmsg_to_asoc()
1817 if (sp->disable_fragments && msg_len > asoc->frag_point) { in sctp_sendmsg_to_asoc()
1818 err = -EMSGSIZE; in sctp_sendmsg_to_asoc()
1822 if (asoc->pmtu_pending) { in sctp_sendmsg_to_asoc()
1823 if (sp->param_flags & SPP_PMTUD_ENABLE) in sctp_sendmsg_to_asoc()
1825 asoc->pmtu_pending = 0; in sctp_sendmsg_to_asoc()
1829 sctp_prsctp_prune(asoc, sinfo, msg_len - sctp_wspace(asoc)); in sctp_sendmsg_to_asoc()
1835 timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT); in sctp_sendmsg_to_asoc()
1846 if (asoc->ep->intl_enable) { in sctp_sendmsg_to_asoc()
1850 err = -ESRCH; in sctp_sendmsg_to_asoc()
1860 datamsg = sctp_datamsg_from_user(asoc, sinfo, &msg->msg_iter); in sctp_sendmsg_to_asoc()
1866 asoc->force_delay = !!(msg->msg_flags & MSG_MORE); in sctp_sendmsg_to_asoc()
1868 list_for_each_entry(chunk, &datamsg->chunks, frag_list) { in sctp_sendmsg_to_asoc()
1871 chunk->transport = transport; in sctp_sendmsg_to_asoc()
1885 timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT); in sctp_sendmsg_to_asoc()
1902 if (!sctp_style(sk, UDP_HIGH_BANDWIDTH) && msg->msg_name) { in sctp_sendmsg_get_daddr()
1903 int len = msg->msg_namelen; in sctp_sendmsg_get_daddr()
1908 daddr = (union sctp_addr *)msg->msg_name; in sctp_sendmsg_get_daddr()
1922 if (!cmsgs->srinfo && !cmsgs->sinfo) { in sctp_sendmsg_update_sinfo()
1923 sinfo->sinfo_stream = asoc->default_stream; in sctp_sendmsg_update_sinfo()
1924 sinfo->sinfo_ppid = asoc->default_ppid; in sctp_sendmsg_update_sinfo()
1925 sinfo->sinfo_context = asoc->default_context; in sctp_sendmsg_update_sinfo()
1926 sinfo->sinfo_assoc_id = sctp_assoc2id(asoc); in sctp_sendmsg_update_sinfo()
1928 if (!cmsgs->prinfo) in sctp_sendmsg_update_sinfo()
1929 sinfo->sinfo_flags = asoc->default_flags; in sctp_sendmsg_update_sinfo()
1932 if (!cmsgs->srinfo && !cmsgs->prinfo) in sctp_sendmsg_update_sinfo()
1933 sinfo->sinfo_timetolive = asoc->default_timetolive; in sctp_sendmsg_update_sinfo()
1935 if (cmsgs->authinfo) { in sctp_sendmsg_update_sinfo()
1937 * sinfo_ssn to save the keyid on tx path. in sctp_sendmsg_update_sinfo()
1939 sinfo->sinfo_tsn = 1; in sctp_sendmsg_update_sinfo()
1940 sinfo->sinfo_ssn = cmsgs->authinfo->auth_keynumber; in sctp_sendmsg_update_sinfo()
1946 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_sendmsg()
1962 sflags = sinfo->sinfo_flags; in sctp_sendmsg()
1975 list_for_each_entry_safe(asoc, tmp, &ep->asocs, asocs) { in sctp_sendmsg()
1990 iov_iter_revert(&msg->msg_iter, err); in sctp_sendmsg()
2010 asoc = transport->asoc; in sctp_sendmsg()
2017 asoc = sctp_id2assoc(sk, sinfo->sinfo_assoc_id); in sctp_sendmsg()
2019 err = -EPIPE; in sctp_sendmsg()
2033 if (err < 0 && err != -ESRCH && new) in sctp_sendmsg()
2039 return sctp_error(sk, msg->msg_flags, err); in sctp_sendmsg()
2059 len -= skb_len; in sctp_skb_pull()
2064 skb->len -= (len-rlen); in sctp_skb_pull()
2065 skb->data_len -= (len-rlen); in sctp_skb_pull()
2076 /* API 3.1.3 recvmsg() - UDP Style Syntax
2081 * socket - the socket descriptor of the endpoint.
2082 * message - pointer to the msghdr structure which contains a single
2088 * flags - flags sent or received with the user message, see Section
2095 struct sctp_sock *sp = sctp_sk(sk); in sctp_recvmsg() local
2109 err = -ENOTCONN; in sctp_recvmsg()
2120 skb_len = skb->len; in sctp_recvmsg()
2133 if (event->chunk && event->chunk->head_skb) in sctp_recvmsg()
2134 head_skb = event->chunk->head_skb; in sctp_recvmsg()
2139 msg->msg_flags |= MSG_NOTIFICATION; in sctp_recvmsg()
2140 sp->pf->event_msgname(event, msg->msg_name, addr_len); in sctp_recvmsg()
2142 sp->pf->skb_msgname(head_skb, msg->msg_name, addr_len); in sctp_recvmsg()
2146 if (sp->recvnxtinfo) in sctp_recvmsg()
2149 if (sp->recvrcvinfo) in sctp_recvmsg()
2152 if (sctp_ulpevent_type_enabled(sp->subscribe, SCTP_DATA_IO_EVENT)) in sctp_recvmsg()
2162 msg->msg_flags &= ~MSG_EOR; in sctp_recvmsg()
2166 skb_queue_head(&sk->sk_receive_queue, skb); in sctp_recvmsg()
2173 sctp_assoc_rwnd_increase(event->asoc, copied); in sctp_recvmsg()
2175 } else if ((event->msg_flags & MSG_NOTIFICATION) || in sctp_recvmsg()
2176 (event->msg_flags & MSG_EOR)) in sctp_recvmsg()
2177 msg->msg_flags |= MSG_EOR; in sctp_recvmsg()
2179 msg->msg_flags &= ~MSG_EOR; in sctp_recvmsg()
2210 return -EINVAL; in sctp_setsockopt_disable_fragments()
2211 sctp_sk(sk)->disable_fragments = (*val == 0) ? 0 : 1; in sctp_setsockopt_disable_fragments()
2218 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_events() local
2223 return -EINVAL; in sctp_setsockopt_events()
2226 sctp_ulpevent_type_set(&sp->subscribe, SCTP_SN_TYPE_BASE + i, in sctp_setsockopt_events()
2229 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in sctp_setsockopt_events()
2230 asoc->subscribe = sctp_sk(sk)->subscribe; in sctp_setsockopt_events()
2236 if (sctp_ulpevent_type_enabled(sp->subscribe, SCTP_SENDER_DRY_EVENT)) { in sctp_setsockopt_events()
2240 if (asoc && sctp_outq_is_empty(&asoc->outqueue)) { in sctp_setsockopt_events()
2244 return -ENOMEM; in sctp_setsockopt_events()
2246 asoc->stream.si->enqueue_event(&asoc->ulpq, event); in sctp_setsockopt_events()
2255 * This socket option is applicable to the UDP-style socket only. When
2267 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_autoclose() local
2270 /* Applicable to UDP-style socket only */ in sctp_setsockopt_autoclose()
2272 return -EOPNOTSUPP; in sctp_setsockopt_autoclose()
2274 return -EINVAL; in sctp_setsockopt_autoclose()
2276 sp->autoclose = *optval; in sctp_setsockopt_autoclose()
2277 if (sp->autoclose > net->sctp.max_autoclose) in sctp_setsockopt_autoclose()
2278 sp->autoclose = net->sctp.max_autoclose; in sctp_setsockopt_autoclose()
2304 * spp_assoc_id - (one-to-many style socket) This is filled in the
2307 * spp_address - This specifies which address is of interest.
2308 * spp_hbinterval - This contains the value of the heartbeat interval,
2312 * spp_pathmaxrxt - This contains the maximum number of
2317 * spp_pathmtu - When Path MTU discovery is disabled the value
2323 * spp_sackdelay - When delayed sack is enabled, this value specifies
2331 * spp_flags - These flags are used to control various features
2335 * SPP_HB_ENABLE - Enable heartbeats on the
2340 * SPP_HB_DISABLE - Disable heartbeats on the
2349 * SPP_HB_DEMAND - Request a user initiated heartbeat
2352 * SPP_HB_TIME_IS_ZERO - Specify's that the time for
2356 * SPP_PMTUD_ENABLE - This field will enable PMTU
2361 * SPP_PMTUD_DISABLE - This field will disable PMTU
2369 * SPP_SACKDELAY_ENABLE - Setting this flag turns
2375 * SPP_SACKDELAY_DISABLE - Setting this flag turns
2393 * returned. For non-IPv6 sockets, this flag will be left
2410 * - This field is used in conjunction with the
2413 * label. This setting has precedence over any IPv6-layer
2416 * spp_dscp - This field is used in conjunction with the SPP_DSCP flag
2419 * IPv4- or IPv6- layer setting.
2424 struct sctp_sock *sp, in sctp_apply_peer_addr_params() argument
2431 if (params->spp_flags & SPP_HB_DEMAND && trans) { in sctp_apply_peer_addr_params()
2432 error = sctp_primitive_REQUESTHEARTBEAT(trans->asoc->base.net, in sctp_apply_peer_addr_params()
2433 trans->asoc, trans); in sctp_apply_peer_addr_params()
2442 if (params->spp_flags & SPP_HB_ENABLE) { in sctp_apply_peer_addr_params()
2444 /* Re-zero the interval if the SPP_HB_TIME_IS_ZERO is in sctp_apply_peer_addr_params()
2448 if (params->spp_flags & SPP_HB_TIME_IS_ZERO) in sctp_apply_peer_addr_params()
2449 params->spp_hbinterval = 0; in sctp_apply_peer_addr_params()
2451 if (params->spp_hbinterval || in sctp_apply_peer_addr_params()
2452 (params->spp_flags & SPP_HB_TIME_IS_ZERO)) { in sctp_apply_peer_addr_params()
2454 trans->hbinterval = in sctp_apply_peer_addr_params()
2455 msecs_to_jiffies(params->spp_hbinterval); in sctp_apply_peer_addr_params()
2457 asoc->hbinterval = in sctp_apply_peer_addr_params()
2458 msecs_to_jiffies(params->spp_hbinterval); in sctp_apply_peer_addr_params()
2460 sp->hbinterval = params->spp_hbinterval; in sctp_apply_peer_addr_params()
2467 trans->param_flags = in sctp_apply_peer_addr_params()
2468 (trans->param_flags & ~SPP_HB) | hb_change; in sctp_apply_peer_addr_params()
2470 asoc->param_flags = in sctp_apply_peer_addr_params()
2471 (asoc->param_flags & ~SPP_HB) | hb_change; in sctp_apply_peer_addr_params()
2473 sp->param_flags = in sctp_apply_peer_addr_params()
2474 (sp->param_flags & ~SPP_HB) | hb_change; in sctp_apply_peer_addr_params()
2483 if ((params->spp_flags & SPP_PMTUD_DISABLE) && params->spp_pathmtu) { in sctp_apply_peer_addr_params()
2485 trans->pathmtu = params->spp_pathmtu; in sctp_apply_peer_addr_params()
2488 sctp_assoc_set_pmtu(asoc, params->spp_pathmtu); in sctp_apply_peer_addr_params()
2490 sp->pathmtu = params->spp_pathmtu; in sctp_apply_peer_addr_params()
2496 int update = (trans->param_flags & SPP_PMTUD_DISABLE) && in sctp_apply_peer_addr_params()
2497 (params->spp_flags & SPP_PMTUD_ENABLE); in sctp_apply_peer_addr_params()
2498 trans->param_flags = in sctp_apply_peer_addr_params()
2499 (trans->param_flags & ~SPP_PMTUD) | pmtud_change; in sctp_apply_peer_addr_params()
2501 sctp_transport_pmtu(trans, sctp_opt2sk(sp)); in sctp_apply_peer_addr_params()
2505 asoc->param_flags = in sctp_apply_peer_addr_params()
2506 (asoc->param_flags & ~SPP_PMTUD) | pmtud_change; in sctp_apply_peer_addr_params()
2508 sp->param_flags = in sctp_apply_peer_addr_params()
2509 (sp->param_flags & ~SPP_PMTUD) | pmtud_change; in sctp_apply_peer_addr_params()
2517 if ((params->spp_flags & SPP_SACKDELAY_ENABLE) && params->spp_sackdelay) { in sctp_apply_peer_addr_params()
2519 trans->sackdelay = in sctp_apply_peer_addr_params()
2520 msecs_to_jiffies(params->spp_sackdelay); in sctp_apply_peer_addr_params()
2522 asoc->sackdelay = in sctp_apply_peer_addr_params()
2523 msecs_to_jiffies(params->spp_sackdelay); in sctp_apply_peer_addr_params()
2525 sp->sackdelay = params->spp_sackdelay; in sctp_apply_peer_addr_params()
2531 trans->param_flags = in sctp_apply_peer_addr_params()
2532 (trans->param_flags & ~SPP_SACKDELAY) | in sctp_apply_peer_addr_params()
2535 asoc->param_flags = in sctp_apply_peer_addr_params()
2536 (asoc->param_flags & ~SPP_SACKDELAY) | in sctp_apply_peer_addr_params()
2539 sp->param_flags = in sctp_apply_peer_addr_params()
2540 (sp->param_flags & ~SPP_SACKDELAY) | in sctp_apply_peer_addr_params()
2548 if (params->spp_pathmaxrxt) { in sctp_apply_peer_addr_params()
2550 trans->pathmaxrxt = params->spp_pathmaxrxt; in sctp_apply_peer_addr_params()
2552 asoc->pathmaxrxt = params->spp_pathmaxrxt; in sctp_apply_peer_addr_params()
2554 sp->pathmaxrxt = params->spp_pathmaxrxt; in sctp_apply_peer_addr_params()
2558 if (params->spp_flags & SPP_IPV6_FLOWLABEL) { in sctp_apply_peer_addr_params()
2560 if (trans->ipaddr.sa.sa_family == AF_INET6) { in sctp_apply_peer_addr_params()
2561 trans->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2563 trans->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2568 list_for_each_entry(t, &asoc->peer.transport_addr_list, in sctp_apply_peer_addr_params()
2570 if (t->ipaddr.sa.sa_family != AF_INET6) in sctp_apply_peer_addr_params()
2572 t->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2574 t->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2576 asoc->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2578 asoc->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2579 } else if (sctp_opt2sk(sp)->sk_family == AF_INET6) { in sctp_apply_peer_addr_params()
2580 sp->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2582 sp->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2586 if (params->spp_flags & SPP_DSCP) { in sctp_apply_peer_addr_params()
2588 trans->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK; in sctp_apply_peer_addr_params()
2589 trans->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2593 list_for_each_entry(t, &asoc->peer.transport_addr_list, in sctp_apply_peer_addr_params()
2595 t->dscp = params->spp_dscp & in sctp_apply_peer_addr_params()
2597 t->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2599 asoc->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK; in sctp_apply_peer_addr_params()
2600 asoc->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2602 sp->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK; in sctp_apply_peer_addr_params()
2603 sp->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2616 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_peer_addr_params() local
2622 if (params->spp_flags & (SPP_DSCP | SPP_IPV6_FLOWLABEL)) in sctp_setsockopt_peer_addr_params()
2623 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2625 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2629 hb_change = params->spp_flags & SPP_HB; in sctp_setsockopt_peer_addr_params()
2630 pmtud_change = params->spp_flags & SPP_PMTUD; in sctp_setsockopt_peer_addr_params()
2631 sackdelay_change = params->spp_flags & SPP_SACKDELAY; in sctp_setsockopt_peer_addr_params()
2636 params->spp_sackdelay > 500 || in sctp_setsockopt_peer_addr_params()
2637 (params->spp_pathmtu && in sctp_setsockopt_peer_addr_params()
2638 params->spp_pathmtu < SCTP_DEFAULT_MINSEGMENT)) in sctp_setsockopt_peer_addr_params()
2639 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2644 if (!sctp_is_any(sk, (union sctp_addr *)¶ms->spp_address)) { in sctp_setsockopt_peer_addr_params()
2645 trans = sctp_addr_id2transport(sk, ¶ms->spp_address, in sctp_setsockopt_peer_addr_params()
2646 params->spp_assoc_id); in sctp_setsockopt_peer_addr_params()
2648 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2655 asoc = sctp_id2assoc(sk, params->spp_assoc_id); in sctp_setsockopt_peer_addr_params()
2656 if (!asoc && params->spp_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_peer_addr_params()
2658 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2663 if (params->spp_flags & SPP_HB_DEMAND && !trans && !asoc) in sctp_setsockopt_peer_addr_params()
2664 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2667 error = sctp_apply_peer_addr_params(params, trans, asoc, sp, in sctp_setsockopt_peer_addr_params()
2678 list_for_each_entry(trans, &asoc->peer.transport_addr_list, in sctp_setsockopt_peer_addr_params()
2680 sctp_apply_peer_addr_params(params, trans, asoc, sp, in sctp_setsockopt_peer_addr_params()
2704 if (params->sack_delay) { in sctp_apply_asoc_delayed_ack()
2705 asoc->sackdelay = msecs_to_jiffies(params->sack_delay); in sctp_apply_asoc_delayed_ack()
2706 asoc->param_flags = in sctp_apply_asoc_delayed_ack()
2707 sctp_spp_sackdelay_enable(asoc->param_flags); in sctp_apply_asoc_delayed_ack()
2709 if (params->sack_freq == 1) { in sctp_apply_asoc_delayed_ack()
2710 asoc->param_flags = in sctp_apply_asoc_delayed_ack()
2711 sctp_spp_sackdelay_disable(asoc->param_flags); in sctp_apply_asoc_delayed_ack()
2712 } else if (params->sack_freq > 1) { in sctp_apply_asoc_delayed_ack()
2713 asoc->sackfreq = params->sack_freq; in sctp_apply_asoc_delayed_ack()
2714 asoc->param_flags = in sctp_apply_asoc_delayed_ack()
2715 sctp_spp_sackdelay_enable(asoc->param_flags); in sctp_apply_asoc_delayed_ack()
2718 list_for_each_entry(trans, &asoc->peer.transport_addr_list, in sctp_apply_asoc_delayed_ack()
2720 if (params->sack_delay) { in sctp_apply_asoc_delayed_ack()
2721 trans->sackdelay = msecs_to_jiffies(params->sack_delay); in sctp_apply_asoc_delayed_ack()
2722 trans->param_flags = in sctp_apply_asoc_delayed_ack()
2723 sctp_spp_sackdelay_enable(trans->param_flags); in sctp_apply_asoc_delayed_ack()
2725 if (params->sack_freq == 1) { in sctp_apply_asoc_delayed_ack()
2726 trans->param_flags = in sctp_apply_asoc_delayed_ack()
2727 sctp_spp_sackdelay_disable(trans->param_flags); in sctp_apply_asoc_delayed_ack()
2728 } else if (params->sack_freq > 1) { in sctp_apply_asoc_delayed_ack()
2729 trans->sackfreq = params->sack_freq; in sctp_apply_asoc_delayed_ack()
2730 trans->param_flags = in sctp_apply_asoc_delayed_ack()
2731 sctp_spp_sackdelay_enable(trans->param_flags); in sctp_apply_asoc_delayed_ack()
2744 * values. If the assoc_id field is non-zero, then the set or get
2756 * sack_assoc_id - This parameter, indicates which association the user
2761 * sack_delay - This parameter contains the number of milliseconds that
2766 * sack_freq - This parameter contains the number of packets that must
2774 struct sctp_sock *sp = sctp_sk(sk); in __sctp_setsockopt_delayed_ack() local
2778 if (params->sack_delay > 500) in __sctp_setsockopt_delayed_ack()
2779 return -EINVAL; in __sctp_setsockopt_delayed_ack()
2785 asoc = sctp_id2assoc(sk, params->sack_assoc_id); in __sctp_setsockopt_delayed_ack()
2786 if (!asoc && params->sack_assoc_id > SCTP_ALL_ASSOC && in __sctp_setsockopt_delayed_ack()
2788 return -EINVAL; in __sctp_setsockopt_delayed_ack()
2797 params->sack_assoc_id = SCTP_FUTURE_ASSOC; in __sctp_setsockopt_delayed_ack()
2799 if (params->sack_assoc_id == SCTP_FUTURE_ASSOC || in __sctp_setsockopt_delayed_ack()
2800 params->sack_assoc_id == SCTP_ALL_ASSOC) { in __sctp_setsockopt_delayed_ack()
2801 if (params->sack_delay) { in __sctp_setsockopt_delayed_ack()
2802 sp->sackdelay = params->sack_delay; in __sctp_setsockopt_delayed_ack()
2803 sp->param_flags = in __sctp_setsockopt_delayed_ack()
2804 sctp_spp_sackdelay_enable(sp->param_flags); in __sctp_setsockopt_delayed_ack()
2806 if (params->sack_freq == 1) { in __sctp_setsockopt_delayed_ack()
2807 sp->param_flags = in __sctp_setsockopt_delayed_ack()
2808 sctp_spp_sackdelay_disable(sp->param_flags); in __sctp_setsockopt_delayed_ack()
2809 } else if (params->sack_freq > 1) { in __sctp_setsockopt_delayed_ack()
2810 sp->sackfreq = params->sack_freq; in __sctp_setsockopt_delayed_ack()
2811 sp->param_flags = in __sctp_setsockopt_delayed_ack()
2812 sctp_spp_sackdelay_enable(sp->param_flags); in __sctp_setsockopt_delayed_ack()
2816 if (params->sack_assoc_id == SCTP_CURRENT_ASSOC || in __sctp_setsockopt_delayed_ack()
2817 params->sack_assoc_id == SCTP_ALL_ASSOC) in __sctp_setsockopt_delayed_ack()
2818 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in __sctp_setsockopt_delayed_ack()
2836 current->comm, task_pid_nr(current)); in sctp_setsockopt_delayed_ack()
2838 p.sack_assoc_id = v->assoc_id; in sctp_setsockopt_delayed_ack()
2839 p.sack_delay = v->assoc_value; in sctp_setsockopt_delayed_ack()
2840 p.sack_freq = v->assoc_value ? 0 : 1; in sctp_setsockopt_delayed_ack()
2845 return -EINVAL; in sctp_setsockopt_delayed_ack()
2846 if (params->sack_delay == 0 && params->sack_freq == 0) in sctp_setsockopt_delayed_ack()
2858 * socket (for UDP-style sockets only future associations are effected
2859 * by the change). With TCP-style sockets, this option is inherited by
2865 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_initmsg() local
2868 return -EINVAL; in sctp_setsockopt_initmsg()
2870 if (sinit->sinit_num_ostreams) in sctp_setsockopt_initmsg()
2871 sp->initmsg.sinit_num_ostreams = sinit->sinit_num_ostreams; in sctp_setsockopt_initmsg()
2872 if (sinit->sinit_max_instreams) in sctp_setsockopt_initmsg()
2873 sp->initmsg.sinit_max_instreams = sinit->sinit_max_instreams; in sctp_setsockopt_initmsg()
2874 if (sinit->sinit_max_attempts) in sctp_setsockopt_initmsg()
2875 sp->initmsg.sinit_max_attempts = sinit->sinit_max_attempts; in sctp_setsockopt_initmsg()
2876 if (sinit->sinit_max_init_timeo) in sctp_setsockopt_initmsg()
2877 sp->initmsg.sinit_max_init_timeo = sinit->sinit_max_init_timeo; in sctp_setsockopt_initmsg()
2900 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_default_send_param() local
2904 return -EINVAL; in sctp_setsockopt_default_send_param()
2905 if (info->sinfo_flags & in sctp_setsockopt_default_send_param()
2908 return -EINVAL; in sctp_setsockopt_default_send_param()
2910 asoc = sctp_id2assoc(sk, info->sinfo_assoc_id); in sctp_setsockopt_default_send_param()
2911 if (!asoc && info->sinfo_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_default_send_param()
2913 return -EINVAL; in sctp_setsockopt_default_send_param()
2916 asoc->default_stream = info->sinfo_stream; in sctp_setsockopt_default_send_param()
2917 asoc->default_flags = info->sinfo_flags; in sctp_setsockopt_default_send_param()
2918 asoc->default_ppid = info->sinfo_ppid; in sctp_setsockopt_default_send_param()
2919 asoc->default_context = info->sinfo_context; in sctp_setsockopt_default_send_param()
2920 asoc->default_timetolive = info->sinfo_timetolive; in sctp_setsockopt_default_send_param()
2926 info->sinfo_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_default_send_param()
2928 if (info->sinfo_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_default_send_param()
2929 info->sinfo_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_send_param()
2930 sp->default_stream = info->sinfo_stream; in sctp_setsockopt_default_send_param()
2931 sp->default_flags = info->sinfo_flags; in sctp_setsockopt_default_send_param()
2932 sp->default_ppid = info->sinfo_ppid; in sctp_setsockopt_default_send_param()
2933 sp->default_context = info->sinfo_context; in sctp_setsockopt_default_send_param()
2934 sp->default_timetolive = info->sinfo_timetolive; in sctp_setsockopt_default_send_param()
2937 if (info->sinfo_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_default_send_param()
2938 info->sinfo_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_send_param()
2939 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_default_send_param()
2940 asoc->default_stream = info->sinfo_stream; in sctp_setsockopt_default_send_param()
2941 asoc->default_flags = info->sinfo_flags; in sctp_setsockopt_default_send_param()
2942 asoc->default_ppid = info->sinfo_ppid; in sctp_setsockopt_default_send_param()
2943 asoc->default_context = info->sinfo_context; in sctp_setsockopt_default_send_param()
2944 asoc->default_timetolive = info->sinfo_timetolive; in sctp_setsockopt_default_send_param()
2958 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_default_sndinfo() local
2962 return -EINVAL; in sctp_setsockopt_default_sndinfo()
2963 if (info->snd_flags & in sctp_setsockopt_default_sndinfo()
2966 return -EINVAL; in sctp_setsockopt_default_sndinfo()
2968 asoc = sctp_id2assoc(sk, info->snd_assoc_id); in sctp_setsockopt_default_sndinfo()
2969 if (!asoc && info->snd_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_default_sndinfo()
2971 return -EINVAL; in sctp_setsockopt_default_sndinfo()
2974 asoc->default_stream = info->snd_sid; in sctp_setsockopt_default_sndinfo()
2975 asoc->default_flags = info->snd_flags; in sctp_setsockopt_default_sndinfo()
2976 asoc->default_ppid = info->snd_ppid; in sctp_setsockopt_default_sndinfo()
2977 asoc->default_context = info->snd_context; in sctp_setsockopt_default_sndinfo()
2983 info->snd_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_default_sndinfo()
2985 if (info->snd_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_default_sndinfo()
2986 info->snd_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_sndinfo()
2987 sp->default_stream = info->snd_sid; in sctp_setsockopt_default_sndinfo()
2988 sp->default_flags = info->snd_flags; in sctp_setsockopt_default_sndinfo()
2989 sp->default_ppid = info->snd_ppid; in sctp_setsockopt_default_sndinfo()
2990 sp->default_context = info->snd_context; in sctp_setsockopt_default_sndinfo()
2993 if (info->snd_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_default_sndinfo()
2994 info->snd_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_sndinfo()
2995 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_default_sndinfo()
2996 asoc->default_stream = info->snd_sid; in sctp_setsockopt_default_sndinfo()
2997 asoc->default_flags = info->snd_flags; in sctp_setsockopt_default_sndinfo()
2998 asoc->default_ppid = info->snd_ppid; in sctp_setsockopt_default_sndinfo()
2999 asoc->default_context = info->snd_context; in sctp_setsockopt_default_sndinfo()
3020 return -EINVAL; in sctp_setsockopt_primary_addr()
3023 af = sctp_get_af_specific(prim->ssp_addr.ss_family); in sctp_setsockopt_primary_addr()
3025 return -EINVAL; in sctp_setsockopt_primary_addr()
3028 (struct sockaddr *)&prim->ssp_addr, in sctp_setsockopt_primary_addr()
3029 af->sockaddr_len); in sctp_setsockopt_primary_addr()
3033 trans = sctp_addr_id2transport(sk, &prim->ssp_addr, prim->ssp_assoc_id); in sctp_setsockopt_primary_addr()
3035 return -EINVAL; in sctp_setsockopt_primary_addr()
3037 sctp_assoc_set_primary(trans->asoc, trans); in sctp_setsockopt_primary_addr()
3045 * Turn on/off any Nagle-like algorithm. This means that packets are
3054 return -EINVAL; in sctp_setsockopt_nodelay()
3055 sctp_sk(sk)->nodelay = (*val == 0) ? 0 : 1; in sctp_setsockopt_nodelay()
3077 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_rtoinfo() local
3080 return -EINVAL; in sctp_setsockopt_rtoinfo()
3082 asoc = sctp_id2assoc(sk, rtoinfo->srto_assoc_id); in sctp_setsockopt_rtoinfo()
3085 if (!asoc && rtoinfo->srto_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_rtoinfo()
3087 return -EINVAL; in sctp_setsockopt_rtoinfo()
3089 rto_max = rtoinfo->srto_max; in sctp_setsockopt_rtoinfo()
3090 rto_min = rtoinfo->srto_min; in sctp_setsockopt_rtoinfo()
3095 rto_max = asoc ? asoc->rto_max : sp->rtoinfo.srto_max; in sctp_setsockopt_rtoinfo()
3100 rto_min = asoc ? asoc->rto_min : sp->rtoinfo.srto_min; in sctp_setsockopt_rtoinfo()
3103 return -EINVAL; in sctp_setsockopt_rtoinfo()
3106 if (rtoinfo->srto_initial != 0) in sctp_setsockopt_rtoinfo()
3107 asoc->rto_initial = in sctp_setsockopt_rtoinfo()
3108 msecs_to_jiffies(rtoinfo->srto_initial); in sctp_setsockopt_rtoinfo()
3109 asoc->rto_max = rto_max; in sctp_setsockopt_rtoinfo()
3110 asoc->rto_min = rto_min; in sctp_setsockopt_rtoinfo()
3112 /* If there is no association or the association-id = 0 in sctp_setsockopt_rtoinfo()
3115 if (rtoinfo->srto_initial != 0) in sctp_setsockopt_rtoinfo()
3116 sp->rtoinfo.srto_initial = rtoinfo->srto_initial; in sctp_setsockopt_rtoinfo()
3117 sp->rtoinfo.srto_max = rto_max; in sctp_setsockopt_rtoinfo()
3118 sp->rtoinfo.srto_min = rto_min; in sctp_setsockopt_rtoinfo()
3143 return -EINVAL; in sctp_setsockopt_associnfo()
3145 asoc = sctp_id2assoc(sk, assocparams->sasoc_assoc_id); in sctp_setsockopt_associnfo()
3147 if (!asoc && assocparams->sasoc_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_associnfo()
3149 return -EINVAL; in sctp_setsockopt_associnfo()
3153 if (assocparams->sasoc_asocmaxrxt != 0) { in sctp_setsockopt_associnfo()
3158 list_for_each_entry(peer_addr, &asoc->peer.transport_addr_list, in sctp_setsockopt_associnfo()
3160 path_sum += peer_addr->pathmaxrxt; in sctp_setsockopt_associnfo()
3170 assocparams->sasoc_asocmaxrxt > path_sum) in sctp_setsockopt_associnfo()
3171 return -EINVAL; in sctp_setsockopt_associnfo()
3173 asoc->max_retrans = assocparams->sasoc_asocmaxrxt; in sctp_setsockopt_associnfo()
3176 if (assocparams->sasoc_cookie_life != 0) in sctp_setsockopt_associnfo()
3177 asoc->cookie_life = in sctp_setsockopt_associnfo()
3178 ms_to_ktime(assocparams->sasoc_cookie_life); in sctp_setsockopt_associnfo()
3181 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_associnfo() local
3183 if (assocparams->sasoc_asocmaxrxt != 0) in sctp_setsockopt_associnfo()
3184 sp->assocparams.sasoc_asocmaxrxt = in sctp_setsockopt_associnfo()
3185 assocparams->sasoc_asocmaxrxt; in sctp_setsockopt_associnfo()
3186 if (assocparams->sasoc_cookie_life != 0) in sctp_setsockopt_associnfo()
3187 sp->assocparams.sasoc_cookie_life = in sctp_setsockopt_associnfo()
3188 assocparams->sasoc_cookie_life; in sctp_setsockopt_associnfo()
3206 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_mappedv4() local
3209 return -EINVAL; in sctp_setsockopt_mappedv4()
3211 sp->v4mapped = 1; in sctp_setsockopt_mappedv4()
3213 sp->v4mapped = 0; in sctp_setsockopt_mappedv4()
3238 * assoc_id: This parameter is ignored for one-to-one style sockets.
3239 * For one-to-many style sockets this parameter indicates which
3249 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_maxseg() local
3259 current->comm, task_pid_nr(current)); in sctp_setsockopt_maxseg()
3263 assoc_id = params->assoc_id; in sctp_setsockopt_maxseg()
3264 val = params->assoc_value; in sctp_setsockopt_maxseg()
3266 return -EINVAL; in sctp_setsockopt_maxseg()
3272 return -EINVAL; in sctp_setsockopt_maxseg()
3276 __u16 datasize = asoc ? sctp_datachk_len(&asoc->stream) : in sctp_setsockopt_maxseg()
3279 min_len = sctp_min_frag_point(sp, datasize); in sctp_setsockopt_maxseg()
3280 max_len = SCTP_MAX_CHUNK_LEN - datasize; in sctp_setsockopt_maxseg()
3283 return -EINVAL; in sctp_setsockopt_maxseg()
3287 asoc->user_frag = val; in sctp_setsockopt_maxseg()
3290 sp->user_frag = val; in sctp_setsockopt_maxseg()
3309 struct sctp_sock *sp; in sctp_setsockopt_peer_primary_addr() local
3315 sp = sctp_sk(sk); in sctp_setsockopt_peer_primary_addr()
3317 if (!sp->ep->asconf_enable) in sctp_setsockopt_peer_primary_addr()
3318 return -EPERM; in sctp_setsockopt_peer_primary_addr()
3321 return -EINVAL; in sctp_setsockopt_peer_primary_addr()
3323 asoc = sctp_id2assoc(sk, prim->sspp_assoc_id); in sctp_setsockopt_peer_primary_addr()
3325 return -EINVAL; in sctp_setsockopt_peer_primary_addr()
3327 if (!asoc->peer.asconf_capable) in sctp_setsockopt_peer_primary_addr()
3328 return -EPERM; in sctp_setsockopt_peer_primary_addr()
3330 if (asoc->peer.addip_disabled_mask & SCTP_PARAM_SET_PRIMARY) in sctp_setsockopt_peer_primary_addr()
3331 return -EPERM; in sctp_setsockopt_peer_primary_addr()
3334 return -ENOTCONN; in sctp_setsockopt_peer_primary_addr()
3336 af = sctp_get_af_specific(prim->sspp_addr.ss_family); in sctp_setsockopt_peer_primary_addr()
3338 return -EINVAL; in sctp_setsockopt_peer_primary_addr()
3340 if (!af->addr_valid((union sctp_addr *)&prim->sspp_addr, sp, NULL)) in sctp_setsockopt_peer_primary_addr()
3341 return -EADDRNOTAVAIL; in sctp_setsockopt_peer_primary_addr()
3343 if (!sctp_assoc_lookup_laddr(asoc, (union sctp_addr *)&prim->sspp_addr)) in sctp_setsockopt_peer_primary_addr()
3344 return -EADDRNOTAVAIL; in sctp_setsockopt_peer_primary_addr()
3348 (struct sockaddr *)&prim->sspp_addr, in sctp_setsockopt_peer_primary_addr()
3349 af->sockaddr_len); in sctp_setsockopt_peer_primary_addr()
3355 (union sctp_addr *)&prim->sspp_addr); in sctp_setsockopt_peer_primary_addr()
3357 return -ENOMEM; in sctp_setsockopt_peer_primary_addr()
3371 return -EINVAL; in sctp_setsockopt_adaptation_layer()
3373 sctp_sk(sk)->adaptation_ind = adapt->ssb_adaptation_ind; in sctp_setsockopt_adaptation_layer()
3386 * one-2-many model for an application to keep some reference to an
3396 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_context() local
3400 return -EINVAL; in sctp_setsockopt_context()
3402 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_context()
3403 if (!asoc && params->assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_context()
3405 return -EINVAL; in sctp_setsockopt_context()
3408 asoc->default_rcv_context = params->assoc_value; in sctp_setsockopt_context()
3414 params->assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_context()
3416 if (params->assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_context()
3417 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_context()
3418 sp->default_rcv_context = params->assoc_value; in sctp_setsockopt_context()
3420 if (params->assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_context()
3421 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_context()
3422 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in sctp_setsockopt_context()
3423 asoc->default_rcv_context = params->assoc_value; in sctp_setsockopt_context()
3443 * This option takes a boolean value. A non-zero value indicates that
3456 return -EINVAL; in sctp_setsockopt_fragment_interleave()
3458 sctp_sk(sk)->frag_interleave = !!*val; in sctp_setsockopt_fragment_interleave()
3460 if (!sctp_sk(sk)->frag_interleave) in sctp_setsockopt_fragment_interleave()
3461 sctp_sk(sk)->ep->intl_enable = 0; in sctp_setsockopt_fragment_interleave()
3487 return -EINVAL; in sctp_setsockopt_partial_delivery_point()
3492 if (*val > (sk->sk_rcvbuf >> 1)) in sctp_setsockopt_partial_delivery_point()
3493 return -EINVAL; in sctp_setsockopt_partial_delivery_point()
3495 sctp_sk(sk)->pd_point = *val; in sctp_setsockopt_partial_delivery_point()
3515 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_maxburst() local
3525 current->comm, task_pid_nr(current)); in sctp_setsockopt_maxburst()
3529 assoc_id = params->assoc_id; in sctp_setsockopt_maxburst()
3530 assoc_value = params->assoc_value; in sctp_setsockopt_maxburst()
3532 return -EINVAL; in sctp_setsockopt_maxburst()
3536 return -EINVAL; in sctp_setsockopt_maxburst()
3539 asoc->max_burst = assoc_value; in sctp_setsockopt_maxburst()
3548 sp->max_burst = assoc_value; in sctp_setsockopt_maxburst()
3551 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in sctp_setsockopt_maxburst()
3552 asoc->max_burst = assoc_value; in sctp_setsockopt_maxburst()
3568 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_auth_chunk()
3570 if (!ep->auth_enable) in sctp_setsockopt_auth_chunk()
3571 return -EACCES; in sctp_setsockopt_auth_chunk()
3574 return -EINVAL; in sctp_setsockopt_auth_chunk()
3576 switch (val->sauth_chunk) { in sctp_setsockopt_auth_chunk()
3581 return -EINVAL; in sctp_setsockopt_auth_chunk()
3585 return sctp_auth_ep_add_chunkid(ep, val->sauth_chunk); in sctp_setsockopt_auth_chunk()
3598 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_hmac_ident()
3601 if (!ep->auth_enable) in sctp_setsockopt_hmac_ident()
3602 return -EACCES; in sctp_setsockopt_hmac_ident()
3605 return -EINVAL; in sctp_setsockopt_hmac_ident()
3609 idents = hmacs->shmac_num_idents; in sctp_setsockopt_hmac_ident()
3611 (idents * sizeof(u16)) > (optlen - sizeof(struct sctp_hmacalgo))) in sctp_setsockopt_hmac_ident()
3612 return -EINVAL; in sctp_setsockopt_hmac_ident()
3627 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_auth_key()
3629 int ret = -EINVAL; in sctp_setsockopt_auth_key()
3632 return -EINVAL; in sctp_setsockopt_auth_key()
3633 /* authkey->sca_keylength is u16, so optlen can't be bigger than in sctp_setsockopt_auth_key()
3638 if (authkey->sca_keylength > optlen - sizeof(*authkey)) in sctp_setsockopt_auth_key()
3641 asoc = sctp_id2assoc(sk, authkey->sca_assoc_id); in sctp_setsockopt_auth_key()
3642 if (!asoc && authkey->sca_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_auth_key()
3652 authkey->sca_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_auth_key()
3654 if (authkey->sca_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_auth_key()
3655 authkey->sca_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_auth_key()
3663 if (authkey->sca_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_auth_key()
3664 authkey->sca_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_auth_key()
3665 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_auth_key()
3688 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_active_key()
3693 return -EINVAL; in sctp_setsockopt_active_key()
3695 asoc = sctp_id2assoc(sk, val->scact_assoc_id); in sctp_setsockopt_active_key()
3696 if (!asoc && val->scact_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_active_key()
3698 return -EINVAL; in sctp_setsockopt_active_key()
3701 return sctp_auth_set_active_key(ep, asoc, val->scact_keynumber); in sctp_setsockopt_active_key()
3704 val->scact_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_active_key()
3706 if (val->scact_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_active_key()
3707 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_active_key()
3708 ret = sctp_auth_set_active_key(ep, asoc, val->scact_keynumber); in sctp_setsockopt_active_key()
3713 if (val->scact_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_active_key()
3714 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_active_key()
3715 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_active_key()
3717 val->scact_keynumber); in sctp_setsockopt_active_key()
3736 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_del_key()
3741 return -EINVAL; in sctp_setsockopt_del_key()
3743 asoc = sctp_id2assoc(sk, val->scact_assoc_id); in sctp_setsockopt_del_key()
3744 if (!asoc && val->scact_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_del_key()
3746 return -EINVAL; in sctp_setsockopt_del_key()
3749 return sctp_auth_del_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_del_key()
3752 val->scact_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_del_key()
3754 if (val->scact_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_del_key()
3755 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_del_key()
3756 ret = sctp_auth_del_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_del_key()
3761 if (val->scact_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_del_key()
3762 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_del_key()
3763 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_del_key()
3765 val->scact_keynumber); in sctp_setsockopt_del_key()
3784 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_deactivate_key()
3789 return -EINVAL; in sctp_setsockopt_deactivate_key()
3791 asoc = sctp_id2assoc(sk, val->scact_assoc_id); in sctp_setsockopt_deactivate_key()
3792 if (!asoc && val->scact_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_deactivate_key()
3794 return -EINVAL; in sctp_setsockopt_deactivate_key()
3797 return sctp_auth_deact_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_deactivate_key()
3800 val->scact_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_deactivate_key()
3802 if (val->scact_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_deactivate_key()
3803 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_deactivate_key()
3804 ret = sctp_auth_deact_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_deactivate_key()
3809 if (val->scact_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_deactivate_key()
3810 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_deactivate_key()
3811 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_deactivate_key()
3813 val->scact_keynumber); in sctp_setsockopt_deactivate_key()
3832 * This option expects an integer boolean flag, where a non-zero value turns on
3840 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_auto_asconf() local
3843 return -EINVAL; in sctp_setsockopt_auto_asconf()
3845 return -EINVAL; in sctp_setsockopt_auto_asconf()
3846 if ((*val && sp->do_auto_asconf) || (!*val && !sp->do_auto_asconf)) in sctp_setsockopt_auto_asconf()
3849 spin_lock_bh(&sock_net(sk)->sctp.addr_wq_lock); in sctp_setsockopt_auto_asconf()
3850 if (*val == 0 && sp->do_auto_asconf) { in sctp_setsockopt_auto_asconf()
3851 list_del(&sp->auto_asconf_list); in sctp_setsockopt_auto_asconf()
3852 sp->do_auto_asconf = 0; in sctp_setsockopt_auto_asconf()
3853 } else if (*val && !sp->do_auto_asconf) { in sctp_setsockopt_auto_asconf()
3854 list_add_tail(&sp->auto_asconf_list, in sctp_setsockopt_auto_asconf()
3855 &sock_net(sk)->sctp.auto_asconf_splist); in sctp_setsockopt_auto_asconf()
3856 sp->do_auto_asconf = 1; in sctp_setsockopt_auto_asconf()
3858 spin_unlock_bh(&sock_net(sk)->sctp.addr_wq_lock); in sctp_setsockopt_auto_asconf()
3867 * http://www.ietf.org/id/draft-nishida-tsvwg-sctp-failover-05.txt
3879 return -EINVAL; in sctp_setsockopt_paddr_thresholds()
3881 if (v2 && val->spt_pathpfthld > val->spt_pathcpthld) in sctp_setsockopt_paddr_thresholds()
3882 return -EINVAL; in sctp_setsockopt_paddr_thresholds()
3884 if (!sctp_is_any(sk, (const union sctp_addr *)&val->spt_address)) { in sctp_setsockopt_paddr_thresholds()
3885 trans = sctp_addr_id2transport(sk, &val->spt_address, in sctp_setsockopt_paddr_thresholds()
3886 val->spt_assoc_id); in sctp_setsockopt_paddr_thresholds()
3888 return -ENOENT; in sctp_setsockopt_paddr_thresholds()
3890 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3891 trans->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3893 trans->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3894 trans->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3899 asoc = sctp_id2assoc(sk, val->spt_assoc_id); in sctp_setsockopt_paddr_thresholds()
3900 if (!asoc && val->spt_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_paddr_thresholds()
3902 return -EINVAL; in sctp_setsockopt_paddr_thresholds()
3905 list_for_each_entry(trans, &asoc->peer.transport_addr_list, in sctp_setsockopt_paddr_thresholds()
3907 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3908 trans->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3910 trans->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3911 trans->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3914 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3915 asoc->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3917 asoc->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3918 asoc->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3920 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_paddr_thresholds() local
3922 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3923 sp->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3925 sp->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3926 sp->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3936 return -EINVAL; in sctp_setsockopt_recvrcvinfo()
3938 sctp_sk(sk)->recvrcvinfo = (*val == 0) ? 0 : 1; in sctp_setsockopt_recvrcvinfo()
3947 return -EINVAL; in sctp_setsockopt_recvnxtinfo()
3949 sctp_sk(sk)->recvnxtinfo = (*val == 0) ? 0 : 1; in sctp_setsockopt_recvnxtinfo()
3961 return -EINVAL; in sctp_setsockopt_pr_supported()
3963 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_pr_supported()
3964 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_pr_supported()
3966 return -EINVAL; in sctp_setsockopt_pr_supported()
3968 sctp_sk(sk)->ep->prsctp_enable = !!params->assoc_value; in sctp_setsockopt_pr_supported()
3977 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_default_prinfo() local
3979 int retval = -EINVAL; in sctp_setsockopt_default_prinfo()
3984 if (info->pr_policy & ~SCTP_PR_SCTP_MASK) in sctp_setsockopt_default_prinfo()
3987 if (info->pr_policy == SCTP_PR_SCTP_NONE) in sctp_setsockopt_default_prinfo()
3988 info->pr_value = 0; in sctp_setsockopt_default_prinfo()
3990 asoc = sctp_id2assoc(sk, info->pr_assoc_id); in sctp_setsockopt_default_prinfo()
3991 if (!asoc && info->pr_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_default_prinfo()
3998 SCTP_PR_SET_POLICY(asoc->default_flags, info->pr_policy); in sctp_setsockopt_default_prinfo()
3999 asoc->default_timetolive = info->pr_value; in sctp_setsockopt_default_prinfo()
4004 info->pr_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_default_prinfo()
4006 if (info->pr_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_default_prinfo()
4007 info->pr_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_prinfo()
4008 SCTP_PR_SET_POLICY(sp->default_flags, info->pr_policy); in sctp_setsockopt_default_prinfo()
4009 sp->default_timetolive = info->pr_value; in sctp_setsockopt_default_prinfo()
4012 if (info->pr_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_default_prinfo()
4013 info->pr_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_prinfo()
4014 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_default_prinfo()
4015 SCTP_PR_SET_POLICY(asoc->default_flags, in sctp_setsockopt_default_prinfo()
4016 info->pr_policy); in sctp_setsockopt_default_prinfo()
4017 asoc->default_timetolive = info->pr_value; in sctp_setsockopt_default_prinfo()
4030 int retval = -EINVAL; in sctp_setsockopt_reconfig_supported()
4035 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_reconfig_supported()
4036 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_reconfig_supported()
4040 sctp_sk(sk)->ep->reconf_enable = !!params->assoc_value; in sctp_setsockopt_reconfig_supported()
4052 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_enable_strreset()
4054 int retval = -EINVAL; in sctp_setsockopt_enable_strreset()
4059 if (params->assoc_value & (~SCTP_ENABLE_STRRESET_MASK)) in sctp_setsockopt_enable_strreset()
4062 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_enable_strreset()
4063 if (!asoc && params->assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_enable_strreset()
4070 asoc->strreset_enable = params->assoc_value; in sctp_setsockopt_enable_strreset()
4075 params->assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_enable_strreset()
4077 if (params->assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_enable_strreset()
4078 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_enable_strreset()
4079 ep->strreset_enable = params->assoc_value; in sctp_setsockopt_enable_strreset()
4081 if (params->assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_enable_strreset()
4082 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_enable_strreset()
4083 list_for_each_entry(asoc, &ep->asocs, asocs) in sctp_setsockopt_enable_strreset()
4084 asoc->strreset_enable = params->assoc_value; in sctp_setsockopt_enable_strreset()
4097 return -EINVAL; in sctp_setsockopt_reset_streams()
4102 if (params->srs_number_streams * sizeof(__u16) > in sctp_setsockopt_reset_streams()
4103 optlen - sizeof(*params)) in sctp_setsockopt_reset_streams()
4104 return -EINVAL; in sctp_setsockopt_reset_streams()
4106 asoc = sctp_id2assoc(sk, params->srs_assoc_id); in sctp_setsockopt_reset_streams()
4108 return -EINVAL; in sctp_setsockopt_reset_streams()
4119 return -EINVAL; in sctp_setsockopt_reset_assoc()
4123 return -EINVAL; in sctp_setsockopt_reset_assoc()
4135 return -EINVAL; in sctp_setsockopt_add_streams()
4137 asoc = sctp_id2assoc(sk, params->sas_assoc_id); in sctp_setsockopt_add_streams()
4139 return -EINVAL; in sctp_setsockopt_add_streams()
4148 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_scheduler() local
4153 return -EINVAL; in sctp_setsockopt_scheduler()
4155 if (params->assoc_value > SCTP_SS_MAX) in sctp_setsockopt_scheduler()
4156 return -EINVAL; in sctp_setsockopt_scheduler()
4158 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_scheduler()
4159 if (!asoc && params->assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_scheduler()
4161 return -EINVAL; in sctp_setsockopt_scheduler()
4164 return sctp_sched_set_sched(asoc, params->assoc_value); in sctp_setsockopt_scheduler()
4167 params->assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_scheduler()
4169 if (params->assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_scheduler()
4170 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_scheduler()
4171 sp->default_ss = params->assoc_value; in sctp_setsockopt_scheduler()
4173 if (params->assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_scheduler()
4174 params->assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_scheduler()
4175 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_scheduler()
4177 params->assoc_value); in sctp_setsockopt_scheduler()
4192 int retval = -EINVAL; in sctp_setsockopt_scheduler_value()
4197 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_scheduler_value()
4198 if (!asoc && params->assoc_id != SCTP_CURRENT_ASSOC && in sctp_setsockopt_scheduler_value()
4203 retval = sctp_sched_set_value(asoc, params->stream_id, in sctp_setsockopt_scheduler_value()
4204 params->stream_value, GFP_KERNEL); in sctp_setsockopt_scheduler_value()
4210 list_for_each_entry(asoc, &sctp_sk(sk)->ep->asocs, asocs) { in sctp_setsockopt_scheduler_value()
4211 int ret = sctp_sched_set_value(asoc, params->stream_id, in sctp_setsockopt_scheduler_value()
4212 params->stream_value, in sctp_setsockopt_scheduler_value()
4226 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_interleaving_supported() local
4230 return -EINVAL; in sctp_setsockopt_interleaving_supported()
4232 asoc = sctp_id2assoc(sk, p->assoc_id); in sctp_setsockopt_interleaving_supported()
4233 if (!asoc && p->assoc_id != SCTP_FUTURE_ASSOC && sctp_style(sk, UDP)) in sctp_setsockopt_interleaving_supported()
4234 return -EINVAL; in sctp_setsockopt_interleaving_supported()
4236 if (!sock_net(sk)->sctp.intl_enable || !sp->frag_interleave) { in sctp_setsockopt_interleaving_supported()
4237 return -EPERM; in sctp_setsockopt_interleaving_supported()
4240 sp->ep->intl_enable = !!p->assoc_value; in sctp_setsockopt_interleaving_supported()
4248 return -EOPNOTSUPP; in sctp_setsockopt_reuse_port()
4250 if (sctp_sk(sk)->ep->base.bind_addr.port) in sctp_setsockopt_reuse_port()
4251 return -EFAULT; in sctp_setsockopt_reuse_port()
4254 return -EINVAL; in sctp_setsockopt_reuse_port()
4256 sctp_sk(sk)->reuse = !!*val; in sctp_setsockopt_reuse_port()
4266 sctp_ulpevent_type_set(&asoc->subscribe, param->se_type, param->se_on); in sctp_assoc_ulpevent_type_set()
4268 if (param->se_type == SCTP_SENDER_DRY_EVENT && param->se_on) { in sctp_assoc_ulpevent_type_set()
4269 if (sctp_outq_is_empty(&asoc->outqueue)) { in sctp_assoc_ulpevent_type_set()
4273 return -ENOMEM; in sctp_assoc_ulpevent_type_set()
4275 asoc->stream.si->enqueue_event(&asoc->ulpq, event); in sctp_assoc_ulpevent_type_set()
4285 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_event() local
4290 return -EINVAL; in sctp_setsockopt_event()
4292 if (param->se_type < SCTP_SN_TYPE_BASE || in sctp_setsockopt_event()
4293 param->se_type > SCTP_SN_TYPE_MAX) in sctp_setsockopt_event()
4294 return -EINVAL; in sctp_setsockopt_event()
4296 asoc = sctp_id2assoc(sk, param->se_assoc_id); in sctp_setsockopt_event()
4297 if (!asoc && param->se_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_event()
4299 return -EINVAL; in sctp_setsockopt_event()
4305 param->se_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_event()
4307 if (param->se_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_event()
4308 param->se_assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_event()
4309 sctp_ulpevent_type_set(&sp->subscribe, in sctp_setsockopt_event()
4310 param->se_type, param->se_on); in sctp_setsockopt_event()
4312 if (param->se_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_event()
4313 param->se_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_event()
4314 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_event()
4331 int retval = -EINVAL; in sctp_setsockopt_asconf_supported()
4336 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_asconf_supported()
4337 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_asconf_supported()
4341 ep = sctp_sk(sk)->ep; in sctp_setsockopt_asconf_supported()
4342 ep->asconf_enable = !!params->assoc_value; in sctp_setsockopt_asconf_supported()
4344 if (ep->asconf_enable && ep->auth_enable) { in sctp_setsockopt_asconf_supported()
4361 int retval = -EINVAL; in sctp_setsockopt_auth_supported()
4366 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_auth_supported()
4367 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_auth_supported()
4371 ep = sctp_sk(sk)->ep; in sctp_setsockopt_auth_supported()
4372 if (params->assoc_value) { in sctp_setsockopt_auth_supported()
4376 if (ep->asconf_enable) { in sctp_setsockopt_auth_supported()
4382 ep->auth_enable = !!params->assoc_value; in sctp_setsockopt_auth_supported()
4394 int retval = -EINVAL; in sctp_setsockopt_ecn_supported()
4399 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_ecn_supported()
4400 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_ecn_supported()
4404 sctp_sk(sk)->ep->ecn_enable = !!params->assoc_value; in sctp_setsockopt_ecn_supported()
4416 int retval = -EINVAL; in sctp_setsockopt_pf_expose()
4421 if (params->assoc_value > SCTP_PF_EXPOSE_MAX) in sctp_setsockopt_pf_expose()
4424 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_pf_expose()
4425 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_pf_expose()
4430 asoc->pf_expose = params->assoc_value; in sctp_setsockopt_pf_expose()
4432 sctp_sk(sk)->pf_expose = params->assoc_value; in sctp_setsockopt_pf_expose()
4452 * sd - the socket descript.
4453 * level - set to IPPROTO_SCTP for all SCTP options.
4454 * optname - the option name.
4455 * optval - the buffer to store the value of the option.
4456 * optlen - the size of the buffer.
4470 * are at all well-founded. in sctp_setsockopt()
4473 struct sctp_af *af = sctp_sk(sk)->pf->af; in sctp_setsockopt()
4475 return af->setsockopt(sk, level, optname, optval, optlen); in sctp_setsockopt()
4663 retval = -ENOPROTOOPT; in sctp_setsockopt()
4672 /* API 3.1.6 connect() - UDP Style Syntax
4692 int err = -EINVAL; in sctp_connect()
4699 af = sctp_get_af_specific(addr->sa_family); in sctp_connect()
4700 if (af && addr_len >= af->sockaddr_len) in sctp_connect()
4701 err = __sctp_connect(sk, addr, af->sockaddr_len, flags, NULL); in sctp_connect()
4710 if (addr_len < sizeof(uaddr->sa_family)) in sctp_inet_connect()
4711 return -EINVAL; in sctp_inet_connect()
4713 if (uaddr->sa_family == AF_UNSPEC) in sctp_inet_connect()
4714 return -EOPNOTSUPP; in sctp_inet_connect()
4716 return sctp_connect(sock->sk, uaddr, addr_len, flags); in sctp_inet_connect()
4722 return -EOPNOTSUPP; /* STUB */ in sctp_disconnect()
4725 /* 4.1.4 accept() - TCP Style Syntax
4734 struct sctp_sock *sp; in sctp_accept() local
4743 sp = sctp_sk(sk); in sctp_accept()
4744 ep = sp->ep; in sctp_accept()
4747 error = -EOPNOTSUPP; in sctp_accept()
4752 error = -EINVAL; in sctp_accept()
4765 asoc = list_entry(ep->asocs.next, struct sctp_association, asocs); in sctp_accept()
4767 newsk = sp->pf->create_accept_sk(sk, asoc, kern); in sctp_accept()
4769 error = -ENOMEM; in sctp_accept()
4791 int rc = -ENOTCONN; in sctp_ioctl()
4796 * SEQPACKET-style sockets in LISTENING state are valid, for in sctp_ioctl()
4797 * SCTP, so only discard TCP-style sockets in LISTENING state. in sctp_ioctl()
4807 skb = skb_peek(&sk->sk_receive_queue); in sctp_ioctl()
4813 amount = skb->len; in sctp_ioctl()
4819 rc = -ENOIOCTLCMD; in sctp_ioctl()
4828 * initialized the SCTP-specific portion of the sock.
4829 * The sock structure should already be zero-filled memory.
4834 struct sctp_sock *sp; in sctp_init_sock() local
4838 sp = sctp_sk(sk); in sctp_init_sock()
4841 switch (sk->sk_type) { in sctp_init_sock()
4843 sp->type = SCTP_SOCKET_UDP; in sctp_init_sock()
4846 sp->type = SCTP_SOCKET_TCP; in sctp_init_sock()
4849 return -ESOCKTNOSUPPORT; in sctp_init_sock()
4852 sk->sk_gso_type = SKB_GSO_SCTP; in sctp_init_sock()
4857 sp->default_stream = 0; in sctp_init_sock()
4858 sp->default_ppid = 0; in sctp_init_sock()
4859 sp->default_flags = 0; in sctp_init_sock()
4860 sp->default_context = 0; in sctp_init_sock()
4861 sp->default_timetolive = 0; in sctp_init_sock()
4863 sp->default_rcv_context = 0; in sctp_init_sock()
4864 sp->max_burst = net->sctp.max_burst; in sctp_init_sock()
4866 sp->sctp_hmac_alg = net->sctp.sctp_hmac_alg; in sctp_init_sock()
4872 sp->initmsg.sinit_num_ostreams = sctp_max_outstreams; in sctp_init_sock()
4873 sp->initmsg.sinit_max_instreams = sctp_max_instreams; in sctp_init_sock()
4874 sp->initmsg.sinit_max_attempts = net->sctp.max_retrans_init; in sctp_init_sock()
4875 sp->initmsg.sinit_max_init_timeo = net->sctp.rto_max; in sctp_init_sock()
4880 sp->rtoinfo.srto_initial = net->sctp.rto_initial; in sctp_init_sock()
4881 sp->rtoinfo.srto_max = net->sctp.rto_max; in sctp_init_sock()
4882 sp->rtoinfo.srto_min = net->sctp.rto_min; in sctp_init_sock()
4887 sp->assocparams.sasoc_asocmaxrxt = net->sctp.max_retrans_association; in sctp_init_sock()
4888 sp->assocparams.sasoc_number_peer_destinations = 0; in sctp_init_sock()
4889 sp->assocparams.sasoc_peer_rwnd = 0; in sctp_init_sock()
4890 sp->assocparams.sasoc_local_rwnd = 0; in sctp_init_sock()
4891 sp->assocparams.sasoc_cookie_life = net->sctp.valid_cookie_life; in sctp_init_sock()
4896 sp->subscribe = 0; in sctp_init_sock()
4901 sp->hbinterval = net->sctp.hb_interval; in sctp_init_sock()
4902 sp->pathmaxrxt = net->sctp.max_retrans_path; in sctp_init_sock()
4903 sp->pf_retrans = net->sctp.pf_retrans; in sctp_init_sock()
4904 sp->ps_retrans = net->sctp.ps_retrans; in sctp_init_sock()
4905 sp->pf_expose = net->sctp.pf_expose; in sctp_init_sock()
4906 sp->pathmtu = 0; /* allow default discovery */ in sctp_init_sock()
4907 sp->sackdelay = net->sctp.sack_timeout; in sctp_init_sock()
4908 sp->sackfreq = 2; in sctp_init_sock()
4909 sp->param_flags = SPP_HB_ENABLE | in sctp_init_sock()
4912 sp->default_ss = SCTP_SS_DEFAULT; in sctp_init_sock()
4917 sp->disable_fragments = 0; in sctp_init_sock()
4920 sp->nodelay = 0; in sctp_init_sock()
4922 sp->recvrcvinfo = 0; in sctp_init_sock()
4923 sp->recvnxtinfo = 0; in sctp_init_sock()
4926 sp->v4mapped = 1; in sctp_init_sock()
4928 /* Auto-close idle associations after the configured in sctp_init_sock()
4931 * for UDP-style sockets only. in sctp_init_sock()
4933 sp->autoclose = 0; in sctp_init_sock()
4936 sp->user_frag = 0; in sctp_init_sock()
4938 sp->adaptation_ind = 0; in sctp_init_sock()
4940 sp->pf = sctp_get_pf_specific(sk->sk_family); in sctp_init_sock()
4943 atomic_set(&sp->pd_mode, 0); in sctp_init_sock()
4944 skb_queue_head_init(&sp->pd_lobby); in sctp_init_sock()
4945 sp->frag_interleave = 0; in sctp_init_sock()
4949 * be useful for storing pre-connect address information. in sctp_init_sock()
4951 sp->ep = sctp_endpoint_new(sk, GFP_KERNEL); in sctp_init_sock()
4952 if (!sp->ep) in sctp_init_sock()
4953 return -ENOMEM; in sctp_init_sock()
4955 sp->hmac = NULL; in sctp_init_sock()
4957 sk->sk_destruct = sctp_destruct_sock; in sctp_init_sock()
4963 sock_prot_inuse_add(net, sk->sk_prot, 1); in sctp_init_sock()
4971 * sock_net(sk)->sctp.addr_wq_lock held if sp->do_auto_asconf is true
4975 struct sctp_sock *sp; in sctp_destroy_sock() local
4980 sp = sctp_sk(sk); in sctp_destroy_sock()
4984 if (sp->ep == NULL) in sctp_destroy_sock()
4987 if (sp->do_auto_asconf) { in sctp_destroy_sock()
4988 sp->do_auto_asconf = 0; in sctp_destroy_sock()
4989 list_del(&sp->auto_asconf_list); in sctp_destroy_sock()
4991 sctp_endpoint_free(sp->ep); in sctp_destroy_sock()
4994 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); in sctp_destroy_sock()
5001 struct sctp_sock *sp = sctp_sk(sk); in sctp_destruct_sock() local
5004 crypto_free_shash(sp->hmac); in sctp_destruct_sock()
5009 /* API 4.1.7 shutdown() - TCP Style Syntax
5012 * sd - the socket descriptor of the association to be closed.
5013 * how - Specifies the type of shutdown. The values are
5033 ep = sctp_sk(sk)->ep; in sctp_shutdown()
5034 if (how & SEND_SHUTDOWN && !list_empty(&ep->asocs)) { in sctp_shutdown()
5038 asoc = list_entry(ep->asocs.next, in sctp_shutdown()
5053 struct sctp_sock *sp = sctp_sk(sk); in sctp_get_sctp_info() local
5055 info->sctpi_s_autoclose = sp->autoclose; in sctp_get_sctp_info()
5056 info->sctpi_s_adaptation_ind = sp->adaptation_ind; in sctp_get_sctp_info()
5057 info->sctpi_s_pd_point = sp->pd_point; in sctp_get_sctp_info()
5058 info->sctpi_s_nodelay = sp->nodelay; in sctp_get_sctp_info()
5059 info->sctpi_s_disable_fragments = sp->disable_fragments; in sctp_get_sctp_info()
5060 info->sctpi_s_v4mapped = sp->v4mapped; in sctp_get_sctp_info()
5061 info->sctpi_s_frag_interleave = sp->frag_interleave; in sctp_get_sctp_info()
5062 info->sctpi_s_type = sp->type; in sctp_get_sctp_info()
5067 info->sctpi_tag = asoc->c.my_vtag; in sctp_get_sctp_info()
5068 info->sctpi_state = asoc->state; in sctp_get_sctp_info()
5069 info->sctpi_rwnd = asoc->a_rwnd; in sctp_get_sctp_info()
5070 info->sctpi_unackdata = asoc->unack_data; in sctp_get_sctp_info()
5071 info->sctpi_penddata = sctp_tsnmap_pending(&asoc->peer.tsn_map); in sctp_get_sctp_info()
5072 info->sctpi_instrms = asoc->stream.incnt; in sctp_get_sctp_info()
5073 info->sctpi_outstrms = asoc->stream.outcnt; in sctp_get_sctp_info()
5074 list_for_each(pos, &asoc->base.inqueue.in_chunk_list) in sctp_get_sctp_info()
5075 info->sctpi_inqueue++; in sctp_get_sctp_info()
5076 list_for_each(pos, &asoc->outqueue.out_chunk_list) in sctp_get_sctp_info()
5077 info->sctpi_outqueue++; in sctp_get_sctp_info()
5078 info->sctpi_overall_error = asoc->overall_error_count; in sctp_get_sctp_info()
5079 info->sctpi_max_burst = asoc->max_burst; in sctp_get_sctp_info()
5080 info->sctpi_maxseg = asoc->frag_point; in sctp_get_sctp_info()
5081 info->sctpi_peer_rwnd = asoc->peer.rwnd; in sctp_get_sctp_info()
5082 info->sctpi_peer_tag = asoc->c.peer_vtag; in sctp_get_sctp_info()
5084 mask = asoc->peer.ecn_capable << 1; in sctp_get_sctp_info()
5085 mask = (mask | asoc->peer.ipv4_address) << 1; in sctp_get_sctp_info()
5086 mask = (mask | asoc->peer.ipv6_address) << 1; in sctp_get_sctp_info()
5087 mask = (mask | asoc->peer.hostname_address) << 1; in sctp_get_sctp_info()
5088 mask = (mask | asoc->peer.asconf_capable) << 1; in sctp_get_sctp_info()
5089 mask = (mask | asoc->peer.prsctp_capable) << 1; in sctp_get_sctp_info()
5090 mask = (mask | asoc->peer.auth_capable); in sctp_get_sctp_info()
5091 info->sctpi_peer_capable = mask; in sctp_get_sctp_info()
5092 mask = asoc->peer.sack_needed << 1; in sctp_get_sctp_info()
5093 mask = (mask | asoc->peer.sack_generation) << 1; in sctp_get_sctp_info()
5094 mask = (mask | asoc->peer.zero_window_announced); in sctp_get_sctp_info()
5095 info->sctpi_peer_sack = mask; in sctp_get_sctp_info()
5097 info->sctpi_isacks = asoc->stats.isacks; in sctp_get_sctp_info()
5098 info->sctpi_osacks = asoc->stats.osacks; in sctp_get_sctp_info()
5099 info->sctpi_opackets = asoc->stats.opackets; in sctp_get_sctp_info()
5100 info->sctpi_ipackets = asoc->stats.ipackets; in sctp_get_sctp_info()
5101 info->sctpi_rtxchunks = asoc->stats.rtxchunks; in sctp_get_sctp_info()
5102 info->sctpi_outofseqtsns = asoc->stats.outofseqtsns; in sctp_get_sctp_info()
5103 info->sctpi_idupchunks = asoc->stats.idupchunks; in sctp_get_sctp_info()
5104 info->sctpi_gapcnt = asoc->stats.gapcnt; in sctp_get_sctp_info()
5105 info->sctpi_ouodchunks = asoc->stats.ouodchunks; in sctp_get_sctp_info()
5106 info->sctpi_iuodchunks = asoc->stats.iuodchunks; in sctp_get_sctp_info()
5107 info->sctpi_oodchunks = asoc->stats.oodchunks; in sctp_get_sctp_info()
5108 info->sctpi_iodchunks = asoc->stats.iodchunks; in sctp_get_sctp_info()
5109 info->sctpi_octrlchunks = asoc->stats.octrlchunks; in sctp_get_sctp_info()
5110 info->sctpi_ictrlchunks = asoc->stats.ictrlchunks; in sctp_get_sctp_info()
5112 prim = asoc->peer.primary_path; in sctp_get_sctp_info()
5113 memcpy(&info->sctpi_p_address, &prim->ipaddr, sizeof(prim->ipaddr)); in sctp_get_sctp_info()
5114 info->sctpi_p_state = prim->state; in sctp_get_sctp_info()
5115 info->sctpi_p_cwnd = prim->cwnd; in sctp_get_sctp_info()
5116 info->sctpi_p_srtt = prim->srtt; in sctp_get_sctp_info()
5117 info->sctpi_p_rto = jiffies_to_msecs(prim->rto); in sctp_get_sctp_info()
5118 info->sctpi_p_hbinterval = prim->hbinterval; in sctp_get_sctp_info()
5119 info->sctpi_p_pathmaxrxt = prim->pathmaxrxt; in sctp_get_sctp_info()
5120 info->sctpi_p_sackdelay = jiffies_to_msecs(prim->sackdelay); in sctp_get_sctp_info()
5121 info->sctpi_p_ssthresh = prim->ssthresh; in sctp_get_sctp_info()
5122 info->sctpi_p_partial_bytes_acked = prim->partial_bytes_acked; in sctp_get_sctp_info()
5123 info->sctpi_p_flight_size = prim->flight_size; in sctp_get_sctp_info()
5124 info->sctpi_p_error = prim->error_count; in sctp_get_sctp_info()
5152 if (PTR_ERR(t) == -EAGAIN) in sctp_transport_get_next()
5160 if (net_eq(t->asoc->base.net, net) && in sctp_transport_get_next()
5161 t->asoc->peer.primary_path == t) in sctp_transport_get_next()
5180 if (!--pos) in sctp_transport_get_idx()
5197 read_lock_bh(&head->lock); in sctp_for_each_endpoint()
5198 sctp_for_each_hentry(epb, &head->chain) { in sctp_for_each_endpoint()
5203 read_unlock_bh(&head->lock); in sctp_for_each_endpoint()
5222 return -ENOENT; in sctp_transport_lookup_process()
5245 ep = tsp->asoc->ep; in sctp_transport_traverse_process()
5277 * receipt. This information is read-only.
5290 retval = -EINVAL; in sctp_getsockopt_sctp_status()
5296 retval = -EFAULT; in sctp_getsockopt_sctp_status()
5303 retval = -EINVAL; in sctp_getsockopt_sctp_status()
5307 transport = asoc->peer.primary_path; in sctp_getsockopt_sctp_status()
5311 status.sstat_rwnd = asoc->peer.rwnd; in sctp_getsockopt_sctp_status()
5312 status.sstat_unackdata = asoc->unack_data; in sctp_getsockopt_sctp_status()
5314 status.sstat_penddata = sctp_tsnmap_pending(&asoc->peer.tsn_map); in sctp_getsockopt_sctp_status()
5315 status.sstat_instrms = asoc->stream.incnt; in sctp_getsockopt_sctp_status()
5316 status.sstat_outstrms = asoc->stream.outcnt; in sctp_getsockopt_sctp_status()
5317 status.sstat_fragmentation_point = asoc->frag_point; in sctp_getsockopt_sctp_status()
5318 status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc); in sctp_getsockopt_sctp_status()
5319 memcpy(&status.sstat_primary.spinfo_address, &transport->ipaddr, in sctp_getsockopt_sctp_status()
5320 transport->af_specific->sockaddr_len); in sctp_getsockopt_sctp_status()
5321 /* Map ipv4 address into v4-mapped-on-v6 address. */ in sctp_getsockopt_sctp_status()
5322 sctp_get_pf_specific(sk->sk_family)->addr_to_user(sctp_sk(sk), in sctp_getsockopt_sctp_status()
5324 status.sstat_primary.spinfo_state = transport->state; in sctp_getsockopt_sctp_status()
5325 status.sstat_primary.spinfo_cwnd = transport->cwnd; in sctp_getsockopt_sctp_status()
5326 status.sstat_primary.spinfo_srtt = transport->srtt; in sctp_getsockopt_sctp_status()
5327 status.sstat_primary.spinfo_rto = jiffies_to_msecs(transport->rto); in sctp_getsockopt_sctp_status()
5328 status.sstat_primary.spinfo_mtu = transport->pathmtu; in sctp_getsockopt_sctp_status()
5334 retval = -EFAULT; in sctp_getsockopt_sctp_status()
5343 retval = -EFAULT; in sctp_getsockopt_sctp_status()
5357 * read-only.
5368 retval = -EINVAL; in sctp_getsockopt_peer_addr_info()
5374 retval = -EFAULT; in sctp_getsockopt_peer_addr_info()
5381 retval = -EINVAL; in sctp_getsockopt_peer_addr_info()
5385 if (transport->state == SCTP_PF && in sctp_getsockopt_peer_addr_info()
5386 transport->asoc->pf_expose == SCTP_PF_EXPOSE_DISABLE) { in sctp_getsockopt_peer_addr_info()
5387 retval = -EACCES; in sctp_getsockopt_peer_addr_info()
5391 pinfo.spinfo_assoc_id = sctp_assoc2id(transport->asoc); in sctp_getsockopt_peer_addr_info()
5392 pinfo.spinfo_state = transport->state; in sctp_getsockopt_peer_addr_info()
5393 pinfo.spinfo_cwnd = transport->cwnd; in sctp_getsockopt_peer_addr_info()
5394 pinfo.spinfo_srtt = transport->srtt; in sctp_getsockopt_peer_addr_info()
5395 pinfo.spinfo_rto = jiffies_to_msecs(transport->rto); in sctp_getsockopt_peer_addr_info()
5396 pinfo.spinfo_mtu = transport->pathmtu; in sctp_getsockopt_peer_addr_info()
5402 retval = -EFAULT; in sctp_getsockopt_peer_addr_info()
5407 retval = -EFAULT; in sctp_getsockopt_peer_addr_info()
5428 return -EINVAL; in sctp_getsockopt_disable_fragments()
5431 val = (sctp_sk(sk)->disable_fragments == 1); in sctp_getsockopt_disable_fragments()
5433 return -EFAULT; in sctp_getsockopt_disable_fragments()
5435 return -EFAULT; in sctp_getsockopt_disable_fragments()
5452 return -EINVAL; in sctp_getsockopt_events()
5456 return -EFAULT; in sctp_getsockopt_events()
5459 sn_type[i] = sctp_ulpevent_type_enabled(sctp_sk(sk)->subscribe, in sctp_getsockopt_events()
5463 return -EFAULT; in sctp_getsockopt_events()
5470 * This socket option is applicable to the UDP-style socket only. When
5481 /* Applicable to UDP-style socket only */ in sctp_getsockopt_autoclose()
5483 return -EOPNOTSUPP; in sctp_getsockopt_autoclose()
5485 return -EINVAL; in sctp_getsockopt_autoclose()
5488 return -EFAULT; in sctp_getsockopt_autoclose()
5489 if (put_user(sctp_sk(sk)->autoclose, (int __user *)optval)) in sctp_getsockopt_autoclose()
5490 return -EFAULT; in sctp_getsockopt_autoclose()
5498 struct sctp_sock *sp = sctp_sk(sk); in sctp_do_peeloff() local
5503 if (!net_eq(current->nsproxy->net_ns, sock_net(sk))) in sctp_do_peeloff()
5504 return -EINVAL; in sctp_do_peeloff()
5507 return -EINVAL; in sctp_do_peeloff()
5509 /* An association cannot be branched off from an already peeled-off in sctp_do_peeloff()
5513 return -EINVAL; in sctp_do_peeloff()
5516 err = sock_create(sk->sk_family, SOCK_SEQPACKET, IPPROTO_SCTP, &sock); in sctp_do_peeloff()
5520 sctp_copy_sock(sock->sk, sk, asoc); in sctp_do_peeloff()
5522 /* Make peeled-off sockets more like 1-1 accepted sockets. in sctp_do_peeloff()
5526 sp->pf->to_sk_daddr(&asoc->peer.primary_addr, sock->sk); in sctp_do_peeloff()
5527 sp->pf->copy_ip_options(sk, sock->sk); in sctp_do_peeloff()
5532 err = sctp_sock_migrate(sk, sock->sk, asoc, in sctp_do_peeloff()
5551 retval = sctp_do_peeloff(sk, peeloff->associd, &newsock); in sctp_getsockopt_peeloff_common()
5570 pr_debug("%s: sk:%p, newsk:%p, sd:%d\n", __func__, sk, newsock->sk, in sctp_getsockopt_peeloff_common()
5573 peeloff->sd = retval; in sctp_getsockopt_peeloff_common()
5576 (*newfile)->f_flags |= O_NONBLOCK; in sctp_getsockopt_peeloff_common()
5588 return -EINVAL; in sctp_getsockopt_peeloff()
5591 return -EFAULT; in sctp_getsockopt_peeloff()
5601 return -EFAULT; in sctp_getsockopt_peeloff()
5607 return -EFAULT; in sctp_getsockopt_peeloff()
5622 return -EINVAL; in sctp_getsockopt_peeloff_flags()
5625 return -EFAULT; in sctp_getsockopt_peeloff_flags()
5636 return -EFAULT; in sctp_getsockopt_peeloff_flags()
5642 return -EFAULT; in sctp_getsockopt_peeloff_flags()
5668 * spp_assoc_id - (one-to-many style socket) This is filled in the
5671 * spp_address - This specifies which address is of interest.
5672 * spp_hbinterval - This contains the value of the heartbeat interval,
5676 * spp_pathmaxrxt - This contains the maximum number of
5681 * spp_pathmtu - When Path MTU discovery is disabled the value
5687 * spp_sackdelay - When delayed sack is enabled, this value specifies
5695 * spp_flags - These flags are used to control various features
5699 * SPP_HB_ENABLE - Enable heartbeats on the
5704 * SPP_HB_DISABLE - Disable heartbeats on the
5713 * SPP_HB_DEMAND - Request a user initiated heartbeat
5716 * SPP_PMTUD_ENABLE - This field will enable PMTU
5721 * SPP_PMTUD_DISABLE - This field will disable PMTU
5729 * SPP_SACKDELAY_ENABLE - Setting this flag turns
5735 * SPP_SACKDELAY_DISABLE - Setting this flag turns
5753 * returned. For non-IPv6 sockets, this flag will be left
5770 * - This field is used in conjunction with the
5773 * label. This setting has precedence over any IPv6-layer
5776 * spp_dscp - This field is used in conjunction with the SPP_DSCP flag
5779 * IPv4- or IPv6- layer setting.
5787 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_peer_addr_params() local
5796 return -EINVAL; in sctp_getsockopt_peer_addr_params()
5799 return -EFAULT; in sctp_getsockopt_peer_addr_params()
5809 return -EINVAL; in sctp_getsockopt_peer_addr_params()
5821 return -EINVAL; in sctp_getsockopt_peer_addr_params()
5826 params.spp_hbinterval = jiffies_to_msecs(trans->hbinterval); in sctp_getsockopt_peer_addr_params()
5827 params.spp_pathmtu = trans->pathmtu; in sctp_getsockopt_peer_addr_params()
5828 params.spp_pathmaxrxt = trans->pathmaxrxt; in sctp_getsockopt_peer_addr_params()
5829 params.spp_sackdelay = jiffies_to_msecs(trans->sackdelay); in sctp_getsockopt_peer_addr_params()
5831 /*draft-11 doesn't say what to return in spp_flags*/ in sctp_getsockopt_peer_addr_params()
5832 params.spp_flags = trans->param_flags; in sctp_getsockopt_peer_addr_params()
5833 if (trans->flowlabel & SCTP_FLOWLABEL_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5834 params.spp_ipv6_flowlabel = trans->flowlabel & in sctp_getsockopt_peer_addr_params()
5838 if (trans->dscp & SCTP_DSCP_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5839 params.spp_dscp = trans->dscp & SCTP_DSCP_VAL_MASK; in sctp_getsockopt_peer_addr_params()
5844 params.spp_hbinterval = jiffies_to_msecs(asoc->hbinterval); in sctp_getsockopt_peer_addr_params()
5845 params.spp_pathmtu = asoc->pathmtu; in sctp_getsockopt_peer_addr_params()
5846 params.spp_pathmaxrxt = asoc->pathmaxrxt; in sctp_getsockopt_peer_addr_params()
5847 params.spp_sackdelay = jiffies_to_msecs(asoc->sackdelay); in sctp_getsockopt_peer_addr_params()
5849 /*draft-11 doesn't say what to return in spp_flags*/ in sctp_getsockopt_peer_addr_params()
5850 params.spp_flags = asoc->param_flags; in sctp_getsockopt_peer_addr_params()
5851 if (asoc->flowlabel & SCTP_FLOWLABEL_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5852 params.spp_ipv6_flowlabel = asoc->flowlabel & in sctp_getsockopt_peer_addr_params()
5856 if (asoc->dscp & SCTP_DSCP_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5857 params.spp_dscp = asoc->dscp & SCTP_DSCP_VAL_MASK; in sctp_getsockopt_peer_addr_params()
5862 params.spp_hbinterval = sp->hbinterval; in sctp_getsockopt_peer_addr_params()
5863 params.spp_pathmtu = sp->pathmtu; in sctp_getsockopt_peer_addr_params()
5864 params.spp_sackdelay = sp->sackdelay; in sctp_getsockopt_peer_addr_params()
5865 params.spp_pathmaxrxt = sp->pathmaxrxt; in sctp_getsockopt_peer_addr_params()
5867 /*draft-11 doesn't say what to return in spp_flags*/ in sctp_getsockopt_peer_addr_params()
5868 params.spp_flags = sp->param_flags; in sctp_getsockopt_peer_addr_params()
5869 if (sp->flowlabel & SCTP_FLOWLABEL_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5870 params.spp_ipv6_flowlabel = sp->flowlabel & in sctp_getsockopt_peer_addr_params()
5874 if (sp->dscp & SCTP_DSCP_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5875 params.spp_dscp = sp->dscp & SCTP_DSCP_VAL_MASK; in sctp_getsockopt_peer_addr_params()
5881 return -EFAULT; in sctp_getsockopt_peer_addr_params()
5884 return -EFAULT; in sctp_getsockopt_peer_addr_params()
5897 * values. If the assoc_id field is non-zero, then the set or get
5909 * sack_assoc_id - This parameter, indicates which association the user
5914 * sack_delay - This parameter contains the number of milliseconds that
5919 * sack_freq - This parameter contains the number of packets that must
5930 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_delayed_ack() local
5936 return -EFAULT; in sctp_getsockopt_delayed_ack()
5942 current->comm, task_pid_nr(current)); in sctp_getsockopt_delayed_ack()
5944 return -EFAULT; in sctp_getsockopt_delayed_ack()
5946 return -EINVAL; in sctp_getsockopt_delayed_ack()
5955 return -EINVAL; in sctp_getsockopt_delayed_ack()
5959 if (asoc->param_flags & SPP_SACKDELAY_ENABLE) { in sctp_getsockopt_delayed_ack()
5960 params.sack_delay = jiffies_to_msecs(asoc->sackdelay); in sctp_getsockopt_delayed_ack()
5961 params.sack_freq = asoc->sackfreq; in sctp_getsockopt_delayed_ack()
5969 if (sp->param_flags & SPP_SACKDELAY_ENABLE) { in sctp_getsockopt_delayed_ack()
5970 params.sack_delay = sp->sackdelay; in sctp_getsockopt_delayed_ack()
5971 params.sack_freq = sp->sackfreq; in sctp_getsockopt_delayed_ack()
5979 return -EFAULT; in sctp_getsockopt_delayed_ack()
5982 return -EFAULT; in sctp_getsockopt_delayed_ack()
5994 * socket (for UDP-style sockets only future associations are effected
5995 * by the change). With TCP-style sockets, this option is inherited by
6001 return -EINVAL; in sctp_getsockopt_initmsg()
6004 return -EFAULT; in sctp_getsockopt_initmsg()
6005 if (copy_to_user(optval, &sctp_sk(sk)->initmsg, len)) in sctp_getsockopt_initmsg()
6006 return -EFAULT; in sctp_getsockopt_initmsg()
6020 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_peer_addrs() local
6026 return -EINVAL; in sctp_getsockopt_peer_addrs()
6029 return -EFAULT; in sctp_getsockopt_peer_addrs()
6031 /* For UDP-style sockets, id specifies the association to query. */ in sctp_getsockopt_peer_addrs()
6034 return -EINVAL; in sctp_getsockopt_peer_addrs()
6037 space_left = len - offsetof(struct sctp_getaddrs, addrs); in sctp_getsockopt_peer_addrs()
6039 list_for_each_entry(from, &asoc->peer.transport_addr_list, in sctp_getsockopt_peer_addrs()
6041 memcpy(&temp, &from->ipaddr, sizeof(temp)); in sctp_getsockopt_peer_addrs()
6042 addrlen = sctp_get_pf_specific(sk->sk_family) in sctp_getsockopt_peer_addrs()
6043 ->addr_to_user(sp, &temp); in sctp_getsockopt_peer_addrs()
6045 return -ENOMEM; in sctp_getsockopt_peer_addrs()
6047 return -EFAULT; in sctp_getsockopt_peer_addrs()
6050 space_left -= addrlen; in sctp_getsockopt_peer_addrs()
6053 if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) in sctp_getsockopt_peer_addrs()
6054 return -EFAULT; in sctp_getsockopt_peer_addrs()
6055 bytes_copied = ((char __user *)to) - optval; in sctp_getsockopt_peer_addrs()
6057 return -EFAULT; in sctp_getsockopt_peer_addrs()
6072 list_for_each_entry_rcu(addr, &net->sctp.local_addr_list, list) { in sctp_copy_laddrs()
6073 if (!addr->valid) in sctp_copy_laddrs()
6076 if ((PF_INET == sk->sk_family) && in sctp_copy_laddrs()
6077 (AF_INET6 == addr->a.sa.sa_family)) in sctp_copy_laddrs()
6079 if ((PF_INET6 == sk->sk_family) && in sctp_copy_laddrs()
6081 (AF_INET == addr->a.sa.sa_family)) in sctp_copy_laddrs()
6083 memcpy(&temp, &addr->a, sizeof(temp)); in sctp_copy_laddrs()
6087 addrlen = sctp_get_pf_specific(sk->sk_family) in sctp_copy_laddrs()
6088 ->addr_to_user(sctp_sk(sk), &temp); in sctp_copy_laddrs()
6091 cnt = -ENOMEM; in sctp_copy_laddrs()
6098 space_left -= addrlen; in sctp_copy_laddrs()
6117 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_local_addrs() local
6126 return -EINVAL; in sctp_getsockopt_local_addrs()
6129 return -EFAULT; in sctp_getsockopt_local_addrs()
6132 * For UDP-style sockets, id specifies the association to query. in sctp_getsockopt_local_addrs()
6138 bp = &sctp_sk(sk)->ep->base.bind_addr; in sctp_getsockopt_local_addrs()
6142 return -EINVAL; in sctp_getsockopt_local_addrs()
6143 bp = &asoc->base.bind_addr; in sctp_getsockopt_local_addrs()
6147 space_left = len - offsetof(struct sctp_getaddrs, addrs); in sctp_getsockopt_local_addrs()
6151 return -ENOMEM; in sctp_getsockopt_local_addrs()
6156 if (sctp_list_single_entry(&bp->address_list)) { in sctp_getsockopt_local_addrs()
6157 addr = list_entry(bp->address_list.next, in sctp_getsockopt_local_addrs()
6159 if (sctp_is_any(sk, &addr->a)) { in sctp_getsockopt_local_addrs()
6160 cnt = sctp_copy_laddrs(sk, bp->port, addrs, in sctp_getsockopt_local_addrs()
6175 list_for_each_entry(addr, &bp->address_list, list) { in sctp_getsockopt_local_addrs()
6176 memcpy(&temp, &addr->a, sizeof(temp)); in sctp_getsockopt_local_addrs()
6177 addrlen = sctp_get_pf_specific(sk->sk_family) in sctp_getsockopt_local_addrs()
6178 ->addr_to_user(sp, &temp); in sctp_getsockopt_local_addrs()
6180 err = -ENOMEM; /*fixme: right error?*/ in sctp_getsockopt_local_addrs()
6187 space_left -= addrlen; in sctp_getsockopt_local_addrs()
6192 err = -EFAULT; in sctp_getsockopt_local_addrs()
6195 if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) { in sctp_getsockopt_local_addrs()
6196 err = -EFAULT; in sctp_getsockopt_local_addrs()
6203 err = -EFAULT; in sctp_getsockopt_local_addrs()
6220 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_primary_addr() local
6223 return -EINVAL; in sctp_getsockopt_primary_addr()
6228 return -EFAULT; in sctp_getsockopt_primary_addr()
6232 return -EINVAL; in sctp_getsockopt_primary_addr()
6234 if (!asoc->peer.primary_path) in sctp_getsockopt_primary_addr()
6235 return -ENOTCONN; in sctp_getsockopt_primary_addr()
6237 memcpy(&prim.ssp_addr, &asoc->peer.primary_path->ipaddr, in sctp_getsockopt_primary_addr()
6238 asoc->peer.primary_path->af_specific->sockaddr_len); in sctp_getsockopt_primary_addr()
6240 sctp_get_pf_specific(sk->sk_family)->addr_to_user(sp, in sctp_getsockopt_primary_addr()
6244 return -EFAULT; in sctp_getsockopt_primary_addr()
6246 return -EFAULT; in sctp_getsockopt_primary_addr()
6255 * Indication parameter for all future INIT and INIT-ACK exchanges.
6263 return -EINVAL; in sctp_getsockopt_adaptation_layer()
6267 adaptation.ssb_adaptation_ind = sctp_sk(sk)->adaptation_ind; in sctp_getsockopt_adaptation_layer()
6270 return -EFAULT; in sctp_getsockopt_adaptation_layer()
6272 return -EFAULT; in sctp_getsockopt_adaptation_layer()
6300 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_default_send_param() local
6305 return -EINVAL; in sctp_getsockopt_default_send_param()
6310 return -EFAULT; in sctp_getsockopt_default_send_param()
6315 return -EINVAL; in sctp_getsockopt_default_send_param()
6318 info.sinfo_stream = asoc->default_stream; in sctp_getsockopt_default_send_param()
6319 info.sinfo_flags = asoc->default_flags; in sctp_getsockopt_default_send_param()
6320 info.sinfo_ppid = asoc->default_ppid; in sctp_getsockopt_default_send_param()
6321 info.sinfo_context = asoc->default_context; in sctp_getsockopt_default_send_param()
6322 info.sinfo_timetolive = asoc->default_timetolive; in sctp_getsockopt_default_send_param()
6324 info.sinfo_stream = sp->default_stream; in sctp_getsockopt_default_send_param()
6325 info.sinfo_flags = sp->default_flags; in sctp_getsockopt_default_send_param()
6326 info.sinfo_ppid = sp->default_ppid; in sctp_getsockopt_default_send_param()
6327 info.sinfo_context = sp->default_context; in sctp_getsockopt_default_send_param()
6328 info.sinfo_timetolive = sp->default_timetolive; in sctp_getsockopt_default_send_param()
6332 return -EFAULT; in sctp_getsockopt_default_send_param()
6334 return -EFAULT; in sctp_getsockopt_default_send_param()
6346 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_default_sndinfo() local
6351 return -EINVAL; in sctp_getsockopt_default_sndinfo()
6356 return -EFAULT; in sctp_getsockopt_default_sndinfo()
6361 return -EINVAL; in sctp_getsockopt_default_sndinfo()
6364 info.snd_sid = asoc->default_stream; in sctp_getsockopt_default_sndinfo()
6365 info.snd_flags = asoc->default_flags; in sctp_getsockopt_default_sndinfo()
6366 info.snd_ppid = asoc->default_ppid; in sctp_getsockopt_default_sndinfo()
6367 info.snd_context = asoc->default_context; in sctp_getsockopt_default_sndinfo()
6369 info.snd_sid = sp->default_stream; in sctp_getsockopt_default_sndinfo()
6370 info.snd_flags = sp->default_flags; in sctp_getsockopt_default_sndinfo()
6371 info.snd_ppid = sp->default_ppid; in sctp_getsockopt_default_sndinfo()
6372 info.snd_context = sp->default_context; in sctp_getsockopt_default_sndinfo()
6376 return -EFAULT; in sctp_getsockopt_default_sndinfo()
6378 return -EFAULT; in sctp_getsockopt_default_sndinfo()
6387 * Turn on/off any Nagle-like algorithm. This means that packets are
6399 return -EINVAL; in sctp_getsockopt_nodelay()
6402 val = (sctp_sk(sk)->nodelay == 1); in sctp_getsockopt_nodelay()
6404 return -EFAULT; in sctp_getsockopt_nodelay()
6406 return -EFAULT; in sctp_getsockopt_nodelay()
6429 return -EINVAL; in sctp_getsockopt_rtoinfo()
6434 return -EFAULT; in sctp_getsockopt_rtoinfo()
6440 return -EINVAL; in sctp_getsockopt_rtoinfo()
6444 rtoinfo.srto_initial = jiffies_to_msecs(asoc->rto_initial); in sctp_getsockopt_rtoinfo()
6445 rtoinfo.srto_max = jiffies_to_msecs(asoc->rto_max); in sctp_getsockopt_rtoinfo()
6446 rtoinfo.srto_min = jiffies_to_msecs(asoc->rto_min); in sctp_getsockopt_rtoinfo()
6449 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_rtoinfo() local
6451 rtoinfo.srto_initial = sp->rtoinfo.srto_initial; in sctp_getsockopt_rtoinfo()
6452 rtoinfo.srto_max = sp->rtoinfo.srto_max; in sctp_getsockopt_rtoinfo()
6453 rtoinfo.srto_min = sp->rtoinfo.srto_min; in sctp_getsockopt_rtoinfo()
6457 return -EFAULT; in sctp_getsockopt_rtoinfo()
6460 return -EFAULT; in sctp_getsockopt_rtoinfo()
6487 return -EINVAL; in sctp_getsockopt_associnfo()
6492 return -EFAULT; in sctp_getsockopt_associnfo()
6498 return -EINVAL; in sctp_getsockopt_associnfo()
6502 assocparams.sasoc_asocmaxrxt = asoc->max_retrans; in sctp_getsockopt_associnfo()
6503 assocparams.sasoc_peer_rwnd = asoc->peer.rwnd; in sctp_getsockopt_associnfo()
6504 assocparams.sasoc_local_rwnd = asoc->a_rwnd; in sctp_getsockopt_associnfo()
6505 assocparams.sasoc_cookie_life = ktime_to_ms(asoc->cookie_life); in sctp_getsockopt_associnfo()
6507 list_for_each(pos, &asoc->peer.transport_addr_list) { in sctp_getsockopt_associnfo()
6514 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_associnfo() local
6516 assocparams.sasoc_asocmaxrxt = sp->assocparams.sasoc_asocmaxrxt; in sctp_getsockopt_associnfo()
6517 assocparams.sasoc_peer_rwnd = sp->assocparams.sasoc_peer_rwnd; in sctp_getsockopt_associnfo()
6518 assocparams.sasoc_local_rwnd = sp->assocparams.sasoc_local_rwnd; in sctp_getsockopt_associnfo()
6520 sp->assocparams.sasoc_cookie_life; in sctp_getsockopt_associnfo()
6522 sp->assocparams. in sctp_getsockopt_associnfo()
6527 return -EFAULT; in sctp_getsockopt_associnfo()
6530 return -EFAULT; in sctp_getsockopt_associnfo()
6549 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_mappedv4() local
6552 return -EINVAL; in sctp_getsockopt_mappedv4()
6555 val = sp->v4mapped; in sctp_getsockopt_mappedv4()
6557 return -EFAULT; in sctp_getsockopt_mappedv4()
6559 return -EFAULT; in sctp_getsockopt_mappedv4()
6575 return -EINVAL; in sctp_getsockopt_context()
6580 return -EFAULT; in sctp_getsockopt_context()
6585 return -EINVAL; in sctp_getsockopt_context()
6587 params.assoc_value = asoc ? asoc->default_rcv_context in sctp_getsockopt_context()
6588 : sctp_sk(sk)->default_rcv_context; in sctp_getsockopt_context()
6591 return -EFAULT; in sctp_getsockopt_context()
6593 return -EFAULT; in sctp_getsockopt_context()
6618 * assoc_id: This parameter is ignored for one-to-one style sockets.
6619 * For one-to-many style sockets this parameter indicates which
6636 current->comm, task_pid_nr(current)); in sctp_getsockopt_maxseg()
6641 return -EFAULT; in sctp_getsockopt_maxseg()
6643 return -EINVAL; in sctp_getsockopt_maxseg()
6648 return -EINVAL; in sctp_getsockopt_maxseg()
6651 params.assoc_value = asoc->frag_point; in sctp_getsockopt_maxseg()
6653 params.assoc_value = sctp_sk(sk)->user_frag; in sctp_getsockopt_maxseg()
6656 return -EFAULT; in sctp_getsockopt_maxseg()
6659 return -EFAULT; in sctp_getsockopt_maxseg()
6662 return -EFAULT; in sctp_getsockopt_maxseg()
6678 return -EINVAL; in sctp_getsockopt_fragment_interleave()
6682 val = sctp_sk(sk)->frag_interleave; in sctp_getsockopt_fragment_interleave()
6684 return -EFAULT; in sctp_getsockopt_fragment_interleave()
6686 return -EFAULT; in sctp_getsockopt_fragment_interleave()
6702 return -EINVAL; in sctp_getsockopt_partial_delivery_point()
6706 val = sctp_sk(sk)->pd_point; in sctp_getsockopt_partial_delivery_point()
6708 return -EFAULT; in sctp_getsockopt_partial_delivery_point()
6710 return -EFAULT; in sctp_getsockopt_partial_delivery_point()
6731 current->comm, task_pid_nr(current)); in sctp_getsockopt_maxburst()
6736 return -EFAULT; in sctp_getsockopt_maxburst()
6738 return -EINVAL; in sctp_getsockopt_maxburst()
6743 return -EINVAL; in sctp_getsockopt_maxburst()
6745 params.assoc_value = asoc ? asoc->max_burst : sctp_sk(sk)->max_burst; in sctp_getsockopt_maxburst()
6749 return -EFAULT; in sctp_getsockopt_maxburst()
6752 return -EFAULT; in sctp_getsockopt_maxburst()
6762 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_getsockopt_hmac_ident()
6769 if (!ep->auth_enable) in sctp_getsockopt_hmac_ident()
6770 return -EACCES; in sctp_getsockopt_hmac_ident()
6772 hmacs = ep->auth_hmacs_list; in sctp_getsockopt_hmac_ident()
6773 data_len = ntohs(hmacs->param_hdr.length) - in sctp_getsockopt_hmac_ident()
6777 return -EINVAL; in sctp_getsockopt_hmac_ident()
6783 return -EFAULT; in sctp_getsockopt_hmac_ident()
6784 if (put_user(num_idents, &p->shmac_num_idents)) in sctp_getsockopt_hmac_ident()
6785 return -EFAULT; in sctp_getsockopt_hmac_ident()
6787 __u16 hmacid = ntohs(hmacs->hmac_ids[i]); in sctp_getsockopt_hmac_ident()
6789 if (copy_to_user(&p->shmac_idents[i], &hmacid, sizeof(__u16))) in sctp_getsockopt_hmac_ident()
6790 return -EFAULT; in sctp_getsockopt_hmac_ident()
6798 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_getsockopt_active_key()
6803 return -EINVAL; in sctp_getsockopt_active_key()
6807 return -EFAULT; in sctp_getsockopt_active_key()
6811 return -EINVAL; in sctp_getsockopt_active_key()
6814 if (!asoc->peer.auth_capable) in sctp_getsockopt_active_key()
6815 return -EACCES; in sctp_getsockopt_active_key()
6816 val.scact_keynumber = asoc->active_key_id; in sctp_getsockopt_active_key()
6818 if (!ep->auth_enable) in sctp_getsockopt_active_key()
6819 return -EACCES; in sctp_getsockopt_active_key()
6820 val.scact_keynumber = ep->active_key_id; in sctp_getsockopt_active_key()
6824 return -EFAULT; in sctp_getsockopt_active_key()
6826 return -EFAULT; in sctp_getsockopt_active_key()
6842 return -EINVAL; in sctp_getsockopt_peer_auth_chunks()
6845 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
6847 to = p->gauth_chunks; in sctp_getsockopt_peer_auth_chunks()
6850 return -EINVAL; in sctp_getsockopt_peer_auth_chunks()
6852 if (!asoc->peer.auth_capable) in sctp_getsockopt_peer_auth_chunks()
6853 return -EACCES; in sctp_getsockopt_peer_auth_chunks()
6855 ch = asoc->peer.peer_chunks; in sctp_getsockopt_peer_auth_chunks()
6860 num_chunks = ntohs(ch->param_hdr.length) - sizeof(struct sctp_paramhdr); in sctp_getsockopt_peer_auth_chunks()
6862 return -EINVAL; in sctp_getsockopt_peer_auth_chunks()
6864 if (copy_to_user(to, ch->chunks, num_chunks)) in sctp_getsockopt_peer_auth_chunks()
6865 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
6869 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
6870 if (put_user(num_chunks, &p->gauth_number_of_chunks)) in sctp_getsockopt_peer_auth_chunks()
6871 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
6878 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_getsockopt_local_auth_chunks()
6887 return -EINVAL; in sctp_getsockopt_local_auth_chunks()
6890 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
6892 to = p->gauth_chunks; in sctp_getsockopt_local_auth_chunks()
6896 return -EINVAL; in sctp_getsockopt_local_auth_chunks()
6899 if (!asoc->peer.auth_capable) in sctp_getsockopt_local_auth_chunks()
6900 return -EACCES; in sctp_getsockopt_local_auth_chunks()
6901 ch = (struct sctp_chunks_param *)asoc->c.auth_chunks; in sctp_getsockopt_local_auth_chunks()
6903 if (!ep->auth_enable) in sctp_getsockopt_local_auth_chunks()
6904 return -EACCES; in sctp_getsockopt_local_auth_chunks()
6905 ch = ep->auth_chunk_list; in sctp_getsockopt_local_auth_chunks()
6910 num_chunks = ntohs(ch->param_hdr.length) - sizeof(struct sctp_paramhdr); in sctp_getsockopt_local_auth_chunks()
6912 return -EINVAL; in sctp_getsockopt_local_auth_chunks()
6914 if (copy_to_user(to, ch->chunks, num_chunks)) in sctp_getsockopt_local_auth_chunks()
6915 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
6919 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
6920 if (put_user(num_chunks, &p->gauth_number_of_chunks)) in sctp_getsockopt_local_auth_chunks()
6921 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
6929 * to a one-to-many style socket. The option value is an uint32_t.
6934 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_assoc_number() local
6939 return -EOPNOTSUPP; in sctp_getsockopt_assoc_number()
6942 return -EINVAL; in sctp_getsockopt_assoc_number()
6946 list_for_each_entry(asoc, &(sp->ep->asocs), asocs) { in sctp_getsockopt_assoc_number()
6951 return -EFAULT; in sctp_getsockopt_assoc_number()
6953 return -EFAULT; in sctp_getsockopt_assoc_number()
6968 return -EINVAL; in sctp_getsockopt_auto_asconf()
6971 if (sctp_sk(sk)->do_auto_asconf && sctp_is_ep_boundall(sk)) in sctp_getsockopt_auto_asconf()
6974 return -EFAULT; in sctp_getsockopt_auto_asconf()
6976 return -EFAULT; in sctp_getsockopt_auto_asconf()
6985 * the SCTP associations handled by a one-to-many style socket.
6990 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_assoc_ids() local
6996 return -EOPNOTSUPP; in sctp_getsockopt_assoc_ids()
6999 return -EINVAL; in sctp_getsockopt_assoc_ids()
7001 list_for_each_entry(asoc, &(sp->ep->asocs), asocs) { in sctp_getsockopt_assoc_ids()
7006 return -EINVAL; in sctp_getsockopt_assoc_ids()
7012 return -ENOMEM; in sctp_getsockopt_assoc_ids()
7014 ids->gaids_number_of_ids = num; in sctp_getsockopt_assoc_ids()
7016 list_for_each_entry(asoc, &(sp->ep->asocs), asocs) { in sctp_getsockopt_assoc_ids()
7017 ids->gaids_assoc_id[num++] = asoc->assoc_id; in sctp_getsockopt_assoc_ids()
7022 return -EFAULT; in sctp_getsockopt_assoc_ids()
7034 * http://www.ietf.org/id/draft-nishida-tsvwg-sctp-failover-05.txt
7047 return -EINVAL; in sctp_getsockopt_paddr_thresholds()
7050 return -EFAULT; in sctp_getsockopt_paddr_thresholds()
7056 return -ENOENT; in sctp_getsockopt_paddr_thresholds()
7058 val.spt_pathmaxrxt = trans->pathmaxrxt; in sctp_getsockopt_paddr_thresholds()
7059 val.spt_pathpfthld = trans->pf_retrans; in sctp_getsockopt_paddr_thresholds()
7060 val.spt_pathcpthld = trans->ps_retrans; in sctp_getsockopt_paddr_thresholds()
7068 return -EINVAL; in sctp_getsockopt_paddr_thresholds()
7071 val.spt_pathpfthld = asoc->pf_retrans; in sctp_getsockopt_paddr_thresholds()
7072 val.spt_pathmaxrxt = asoc->pathmaxrxt; in sctp_getsockopt_paddr_thresholds()
7073 val.spt_pathcpthld = asoc->ps_retrans; in sctp_getsockopt_paddr_thresholds()
7075 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_paddr_thresholds() local
7077 val.spt_pathpfthld = sp->pf_retrans; in sctp_getsockopt_paddr_thresholds()
7078 val.spt_pathmaxrxt = sp->pathmaxrxt; in sctp_getsockopt_paddr_thresholds()
7079 val.spt_pathcpthld = sp->ps_retrans; in sctp_getsockopt_paddr_thresholds()
7084 return -EFAULT; in sctp_getsockopt_paddr_thresholds()
7104 return -EINVAL; in sctp_getsockopt_assoc_stats()
7110 return -EFAULT; in sctp_getsockopt_assoc_stats()
7114 return -EINVAL; in sctp_getsockopt_assoc_stats()
7116 sas.sas_rtxchunks = asoc->stats.rtxchunks; in sctp_getsockopt_assoc_stats()
7117 sas.sas_gapcnt = asoc->stats.gapcnt; in sctp_getsockopt_assoc_stats()
7118 sas.sas_outofseqtsns = asoc->stats.outofseqtsns; in sctp_getsockopt_assoc_stats()
7119 sas.sas_osacks = asoc->stats.osacks; in sctp_getsockopt_assoc_stats()
7120 sas.sas_isacks = asoc->stats.isacks; in sctp_getsockopt_assoc_stats()
7121 sas.sas_octrlchunks = asoc->stats.octrlchunks; in sctp_getsockopt_assoc_stats()
7122 sas.sas_ictrlchunks = asoc->stats.ictrlchunks; in sctp_getsockopt_assoc_stats()
7123 sas.sas_oodchunks = asoc->stats.oodchunks; in sctp_getsockopt_assoc_stats()
7124 sas.sas_iodchunks = asoc->stats.iodchunks; in sctp_getsockopt_assoc_stats()
7125 sas.sas_ouodchunks = asoc->stats.ouodchunks; in sctp_getsockopt_assoc_stats()
7126 sas.sas_iuodchunks = asoc->stats.iuodchunks; in sctp_getsockopt_assoc_stats()
7127 sas.sas_idupchunks = asoc->stats.idupchunks; in sctp_getsockopt_assoc_stats()
7128 sas.sas_opackets = asoc->stats.opackets; in sctp_getsockopt_assoc_stats()
7129 sas.sas_ipackets = asoc->stats.ipackets; in sctp_getsockopt_assoc_stats()
7135 sas.sas_maxrto = asoc->stats.max_obs_rto; in sctp_getsockopt_assoc_stats()
7136 memcpy(&sas.sas_obs_rto_ipaddr, &asoc->stats.obs_rto_ipaddr, in sctp_getsockopt_assoc_stats()
7140 asoc->stats.max_obs_rto = asoc->rto_min; in sctp_getsockopt_assoc_stats()
7143 return -EFAULT; in sctp_getsockopt_assoc_stats()
7148 return -EFAULT; in sctp_getsockopt_assoc_stats()
7160 return -EINVAL; in sctp_getsockopt_recvrcvinfo()
7163 if (sctp_sk(sk)->recvrcvinfo) in sctp_getsockopt_recvrcvinfo()
7166 return -EFAULT; in sctp_getsockopt_recvrcvinfo()
7168 return -EFAULT; in sctp_getsockopt_recvrcvinfo()
7180 return -EINVAL; in sctp_getsockopt_recvnxtinfo()
7183 if (sctp_sk(sk)->recvnxtinfo) in sctp_getsockopt_recvnxtinfo()
7186 return -EFAULT; in sctp_getsockopt_recvnxtinfo()
7188 return -EFAULT; in sctp_getsockopt_recvnxtinfo()
7199 int retval = -EFAULT; in sctp_getsockopt_pr_supported()
7202 retval = -EINVAL; in sctp_getsockopt_pr_supported()
7213 retval = -EINVAL; in sctp_getsockopt_pr_supported()
7217 params.assoc_value = asoc ? asoc->peer.prsctp_capable in sctp_getsockopt_pr_supported()
7218 : sctp_sk(sk)->ep->prsctp_enable; in sctp_getsockopt_pr_supported()
7238 int retval = -EFAULT; in sctp_getsockopt_default_prinfo()
7241 retval = -EINVAL; in sctp_getsockopt_default_prinfo()
7252 retval = -EINVAL; in sctp_getsockopt_default_prinfo()
7257 info.pr_policy = SCTP_PR_POLICY(asoc->default_flags); in sctp_getsockopt_default_prinfo()
7258 info.pr_value = asoc->default_timetolive; in sctp_getsockopt_default_prinfo()
7260 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_default_prinfo() local
7262 info.pr_policy = SCTP_PR_POLICY(sp->default_flags); in sctp_getsockopt_default_prinfo()
7263 info.pr_value = sp->default_timetolive; in sctp_getsockopt_default_prinfo()
7285 int retval = -EINVAL; in sctp_getsockopt_pr_assocstatus()
7292 retval = -EFAULT; in sctp_getsockopt_pr_assocstatus()
7310 asoc->abandoned_unsent[policy]; in sctp_getsockopt_pr_assocstatus()
7312 asoc->abandoned_sent[policy]; in sctp_getsockopt_pr_assocstatus()
7316 asoc->abandoned_unsent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_assocstatus()
7318 asoc->abandoned_sent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_assocstatus()
7322 retval = -EFAULT; in sctp_getsockopt_pr_assocstatus()
7327 retval = -EFAULT; in sctp_getsockopt_pr_assocstatus()
7344 int retval = -EINVAL; in sctp_getsockopt_pr_streamstatus()
7352 retval = -EFAULT; in sctp_getsockopt_pr_streamstatus()
7362 if (!asoc || params.sprstat_sid >= asoc->stream.outcnt) in sctp_getsockopt_pr_streamstatus()
7365 streamoute = SCTP_SO(&asoc->stream, params.sprstat_sid)->ext; in sctp_getsockopt_pr_streamstatus()
7379 streamoute->abandoned_unsent[policy]; in sctp_getsockopt_pr_streamstatus()
7381 streamoute->abandoned_sent[policy]; in sctp_getsockopt_pr_streamstatus()
7385 streamoute->abandoned_unsent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_streamstatus()
7387 streamoute->abandoned_sent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_streamstatus()
7391 retval = -EFAULT; in sctp_getsockopt_pr_streamstatus()
7407 int retval = -EFAULT; in sctp_getsockopt_reconfig_supported()
7410 retval = -EINVAL; in sctp_getsockopt_reconfig_supported()
7421 retval = -EINVAL; in sctp_getsockopt_reconfig_supported()
7425 params.assoc_value = asoc ? asoc->peer.reconf_capable in sctp_getsockopt_reconfig_supported()
7426 : sctp_sk(sk)->ep->reconf_enable; in sctp_getsockopt_reconfig_supported()
7446 int retval = -EFAULT; in sctp_getsockopt_enable_strreset()
7449 retval = -EINVAL; in sctp_getsockopt_enable_strreset()
7460 retval = -EINVAL; in sctp_getsockopt_enable_strreset()
7464 params.assoc_value = asoc ? asoc->strreset_enable in sctp_getsockopt_enable_strreset()
7465 : sctp_sk(sk)->ep->strreset_enable; in sctp_getsockopt_enable_strreset()
7485 int retval = -EFAULT; in sctp_getsockopt_scheduler()
7488 retval = -EINVAL; in sctp_getsockopt_scheduler()
7499 retval = -EINVAL; in sctp_getsockopt_scheduler()
7504 : sctp_sk(sk)->default_ss; in sctp_getsockopt_scheduler()
7524 int retval = -EFAULT; in sctp_getsockopt_scheduler_value()
7527 retval = -EINVAL; in sctp_getsockopt_scheduler_value()
7537 retval = -EINVAL; in sctp_getsockopt_scheduler_value()
7547 retval = -EFAULT; in sctp_getsockopt_scheduler_value()
7552 retval = -EFAULT; in sctp_getsockopt_scheduler_value()
7566 int retval = -EFAULT; in sctp_getsockopt_interleaving_supported()
7569 retval = -EINVAL; in sctp_getsockopt_interleaving_supported()
7580 retval = -EINVAL; in sctp_getsockopt_interleaving_supported()
7584 params.assoc_value = asoc ? asoc->peer.intl_capable in sctp_getsockopt_interleaving_supported()
7585 : sctp_sk(sk)->ep->intl_enable; in sctp_getsockopt_interleaving_supported()
7606 return -EINVAL; in sctp_getsockopt_reuse_port()
7609 val = sctp_sk(sk)->reuse; in sctp_getsockopt_reuse_port()
7611 return -EFAULT; in sctp_getsockopt_reuse_port()
7614 return -EFAULT; in sctp_getsockopt_reuse_port()
7627 return -EINVAL; in sctp_getsockopt_event()
7631 return -EFAULT; in sctp_getsockopt_event()
7635 return -EINVAL; in sctp_getsockopt_event()
7640 return -EINVAL; in sctp_getsockopt_event()
7642 subscribe = asoc ? asoc->subscribe : sctp_sk(sk)->subscribe; in sctp_getsockopt_event()
7646 return -EFAULT; in sctp_getsockopt_event()
7649 return -EFAULT; in sctp_getsockopt_event()
7660 int retval = -EFAULT; in sctp_getsockopt_asconf_supported()
7663 retval = -EINVAL; in sctp_getsockopt_asconf_supported()
7674 retval = -EINVAL; in sctp_getsockopt_asconf_supported()
7678 params.assoc_value = asoc ? asoc->peer.asconf_capable in sctp_getsockopt_asconf_supported()
7679 : sctp_sk(sk)->ep->asconf_enable; in sctp_getsockopt_asconf_supported()
7699 int retval = -EFAULT; in sctp_getsockopt_auth_supported()
7702 retval = -EINVAL; in sctp_getsockopt_auth_supported()
7713 retval = -EINVAL; in sctp_getsockopt_auth_supported()
7717 params.assoc_value = asoc ? asoc->peer.auth_capable in sctp_getsockopt_auth_supported()
7718 : sctp_sk(sk)->ep->auth_enable; in sctp_getsockopt_auth_supported()
7738 int retval = -EFAULT; in sctp_getsockopt_ecn_supported()
7741 retval = -EINVAL; in sctp_getsockopt_ecn_supported()
7752 retval = -EINVAL; in sctp_getsockopt_ecn_supported()
7756 params.assoc_value = asoc ? asoc->peer.ecn_capable in sctp_getsockopt_ecn_supported()
7757 : sctp_sk(sk)->ep->ecn_enable; in sctp_getsockopt_ecn_supported()
7777 int retval = -EFAULT; in sctp_getsockopt_pf_expose()
7780 retval = -EINVAL; in sctp_getsockopt_pf_expose()
7791 retval = -EINVAL; in sctp_getsockopt_pf_expose()
7795 params.assoc_value = asoc ? asoc->pf_expose in sctp_getsockopt_pf_expose()
7796 : sctp_sk(sk)->pf_expose; in sctp_getsockopt_pf_expose()
7822 * are at all well-founded. in sctp_getsockopt()
7825 struct sctp_af *af = sctp_sk(sk)->pf->af; in sctp_getsockopt()
7827 retval = af->getsockopt(sk, level, optname, optval, optlen); in sctp_getsockopt()
7832 return -EFAULT; in sctp_getsockopt()
7835 return -EINVAL; in sctp_getsockopt()
7933 retval = -EOPNOTSUPP; in sctp_getsockopt()
8031 retval = -ENOPROTOOPT; in sctp_getsockopt()
8067 struct sctp_sock *sp = sctp_sk(sk); in sctp_get_port_local() local
8068 bool reuse = (sk->sk_reuse || sp->reuse); in sctp_get_port_local()
8076 snum = ntohs(addr->v4.sin_port); in sctp_get_port_local()
8086 remaining = (high - low) + 1; in sctp_get_port_local()
8097 spin_lock_bh(&head->lock); in sctp_get_port_local()
8098 sctp_for_each_hentry(pp, &head->chain) in sctp_get_port_local()
8099 if ((pp->port == rover) && in sctp_get_port_local()
8100 net_eq(net, pp->net)) in sctp_get_port_local()
8104 spin_unlock_bh(&head->lock); in sctp_get_port_local()
8106 } while (--remaining > 0); in sctp_get_port_local()
8114 * hash table list entry) is non-NULL and we hold it's in sctp_get_port_local()
8122 * to the port number (snum) - we detect that with the in sctp_get_port_local()
8126 spin_lock_bh(&head->lock); in sctp_get_port_local()
8127 sctp_for_each_hentry(pp, &head->chain) { in sctp_get_port_local()
8128 if ((pp->port == snum) && net_eq(pp->net, net)) in sctp_get_port_local()
8135 if (!hlist_empty(&pp->owner)) { in sctp_get_port_local()
8136 /* We had a port hash table hit - there is an in sctp_get_port_local()
8138 * used by other socket (pp->owner not empty); that other in sctp_get_port_local()
8145 if ((pp->fastreuse && reuse && in sctp_get_port_local()
8146 sk->sk_state != SCTP_SS_LISTENING) || in sctp_get_port_local()
8147 (pp->fastreuseport && sk->sk_reuseport && in sctp_get_port_local()
8148 uid_eq(pp->fastuid, uid))) in sctp_get_port_local()
8152 * (pp->port) [via the pointers bind_next and in sctp_get_port_local()
8153 * bind_pprev in the struct sock *sk2 (pp->sk)]. On each one, in sctp_get_port_local()
8161 sk_for_each_bound(sk2, &pp->owner) { in sctp_get_port_local()
8163 struct sctp_endpoint *ep2 = sp2->ep; in sctp_get_port_local()
8166 (reuse && (sk2->sk_reuse || sp2->reuse) && in sctp_get_port_local()
8167 sk2->sk_state != SCTP_SS_LISTENING) || in sctp_get_port_local()
8168 (sk->sk_reuseport && sk2->sk_reuseport && in sctp_get_port_local()
8172 if (sctp_bind_addr_conflict(&ep2->base.bind_addr, in sctp_get_port_local()
8173 addr, sp2, sp)) { in sctp_get_port_local()
8188 * if sk->sk_reuse is too (that is, if the caller requested in sctp_get_port_local()
8189 * SO_REUSEADDR on this socket -sk-). in sctp_get_port_local()
8191 if (hlist_empty(&pp->owner)) { in sctp_get_port_local()
8192 if (reuse && sk->sk_state != SCTP_SS_LISTENING) in sctp_get_port_local()
8193 pp->fastreuse = 1; in sctp_get_port_local()
8195 pp->fastreuse = 0; in sctp_get_port_local()
8197 if (sk->sk_reuseport) { in sctp_get_port_local()
8198 pp->fastreuseport = 1; in sctp_get_port_local()
8199 pp->fastuid = uid; in sctp_get_port_local()
8201 pp->fastreuseport = 0; in sctp_get_port_local()
8204 if (pp->fastreuse && in sctp_get_port_local()
8205 (!reuse || sk->sk_state == SCTP_SS_LISTENING)) in sctp_get_port_local()
8206 pp->fastreuse = 0; in sctp_get_port_local()
8208 if (pp->fastreuseport && in sctp_get_port_local()
8209 (!sk->sk_reuseport || !uid_eq(pp->fastuid, uid))) in sctp_get_port_local()
8210 pp->fastreuseport = 0; in sctp_get_port_local()
8218 if (!sp->bind_hash) { in sctp_get_port_local()
8219 inet_sk(sk)->inet_num = snum; in sctp_get_port_local()
8220 sk_add_bind_node(sk, &pp->owner); in sctp_get_port_local()
8221 sp->bind_hash = pp; in sctp_get_port_local()
8226 spin_unlock_bh(&head->lock); in sctp_get_port_local()
8236 struct sctp_af *af = sctp_sk(sk)->pf->af; in sctp_get_port()
8239 af->from_sk(&addr, sk); in sctp_get_port()
8242 /* Note: sk->sk_num gets filled in if ephemeral port request. */ in sctp_get_port()
8251 struct sctp_sock *sp = sctp_sk(sk); in sctp_listen_start() local
8252 struct sctp_endpoint *ep = sp->ep; in sctp_listen_start()
8257 if (!sp->hmac && sp->sctp_hmac_alg) { in sctp_listen_start()
8258 sprintf(alg, "hmac(%s)", sp->sctp_hmac_alg); in sctp_listen_start()
8262 sp->sctp_hmac_alg, PTR_ERR(tfm)); in sctp_listen_start()
8263 return -ENOSYS; in sctp_listen_start()
8265 sctp_sk(sk)->hmac = tfm; in sctp_listen_start()
8280 if (!ep->base.bind_addr.port) { in sctp_listen_start()
8282 return -EAGAIN; in sctp_listen_start()
8284 if (sctp_get_port(sk, inet_sk(sk)->inet_num)) { in sctp_listen_start()
8286 return -EADDRINUSE; in sctp_listen_start()
8290 WRITE_ONCE(sk->sk_max_ack_backlog, backlog); in sctp_listen_start()
8310 struct sock *sk = sock->sk; in sctp_inet_listen()
8311 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_inet_listen()
8312 int err = -EINVAL; in sctp_inet_listen()
8319 /* Peeled-off sockets are not allowed to listen(). */ in sctp_inet_listen()
8323 if (sock->state != SS_UNCONNECTED) in sctp_inet_listen()
8336 sk->sk_state = SCTP_SS_CLOSED; in sctp_inet_listen()
8337 if (sk->sk_reuse || sctp_sk(sk)->reuse) in sctp_inet_listen()
8338 sctp_sk(sk)->bind_hash->fastreuse = 1; in sctp_inet_listen()
8344 WRITE_ONCE(sk->sk_max_ack_backlog, backlog); in sctp_inet_listen()
8372 struct sock *sk = sock->sk; in sctp_poll()
8373 struct sctp_sock *sp = sctp_sk(sk); in sctp_poll() local
8380 /* A TCP-style listening socket becomes readable when the accept queue in sctp_poll()
8384 return (!list_empty(&sp->ep->asocs)) ? in sctp_poll()
8390 if (sk->sk_err || !skb_queue_empty_lockless(&sk->sk_error_queue)) in sctp_poll()
8393 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_poll()
8395 if (sk->sk_shutdown == SHUTDOWN_MASK) in sctp_poll()
8398 /* Is it readable? Reconsider this code with TCP-style support. */ in sctp_poll()
8399 if (!skb_queue_empty_lockless(&sk->sk_receive_queue)) in sctp_poll()
8437 pp->port = snum; in sctp_bucket_create()
8438 pp->fastreuse = 0; in sctp_bucket_create()
8439 INIT_HLIST_HEAD(&pp->owner); in sctp_bucket_create()
8440 pp->net = net; in sctp_bucket_create()
8441 hlist_add_head(&pp->node, &head->chain); in sctp_bucket_create()
8449 if (pp && hlist_empty(&pp->owner)) { in sctp_bucket_destroy()
8450 __hlist_del(&pp->node); in sctp_bucket_destroy()
8461 inet_sk(sk)->inet_num)]; in __sctp_put_port()
8464 spin_lock(&head->lock); in __sctp_put_port()
8465 pp = sctp_sk(sk)->bind_hash; in __sctp_put_port()
8467 sctp_sk(sk)->bind_hash = NULL; in __sctp_put_port()
8468 inet_sk(sk)->inet_num = 0; in __sctp_put_port()
8470 spin_unlock(&head->lock); in __sctp_put_port()
8493 af = sctp_sk(sk)->pf->af; in sctp_autobind()
8495 port = htons(inet_sk(sk)->inet_num); in sctp_autobind()
8496 af->inaddr_any(&autoaddr, port); in sctp_autobind()
8498 return sctp_do_bind(sk, &autoaddr, af->sockaddr_len); in sctp_autobind()
8510 * Historically Berkeley-derived implementations have passed only one object
8515 * |<--------------------------- msg_controllen -------------------------->|
8518 * |<----- ancillary data object ----->|<----- ancillary data object ----->|
8520 * |<---------- CMSG_SPACE() --------->|<---------- CMSG_SPACE() --------->|
8523 * |<---------- cmsg_len ---------->| |<--------- cmsg_len ----------->| |
8525 * |<--------- CMSG_LEN() --------->| |<-------- CMSG_LEN() ---------->| |
8528 * +-----+-----+-----+--+-----------+--+-----+-----+-----+--+-----------+--+
8533 * +-----+-----+-----+--+-----------+--+-----+-----+-----+--+-----------+--+
8547 return -EINVAL; in sctp_msghdr_parse()
8550 if (cmsg->cmsg_level != IPPROTO_SCTP) in sctp_msghdr_parse()
8554 switch (cmsg->cmsg_type) { in sctp_msghdr_parse()
8566 * ------------ ------------ ---------------------- in sctp_msghdr_parse()
8569 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_initmsg))) in sctp_msghdr_parse()
8570 return -EINVAL; in sctp_msghdr_parse()
8572 cmsgs->init = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8584 * ------------ ------------ ---------------------- in sctp_msghdr_parse()
8587 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_sndrcvinfo))) in sctp_msghdr_parse()
8588 return -EINVAL; in sctp_msghdr_parse()
8590 cmsgs->srinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8592 if (cmsgs->srinfo->sinfo_flags & in sctp_msghdr_parse()
8596 return -EINVAL; in sctp_msghdr_parse()
8608 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8611 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_sndinfo))) in sctp_msghdr_parse()
8612 return -EINVAL; in sctp_msghdr_parse()
8614 cmsgs->sinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8616 if (cmsgs->sinfo->snd_flags & in sctp_msghdr_parse()
8620 return -EINVAL; in sctp_msghdr_parse()
8624 * 5.3.7 SCTP PR-SCTP Information Structure (SCTP_PRINFO) in sctp_msghdr_parse()
8629 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8632 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_prinfo))) in sctp_msghdr_parse()
8633 return -EINVAL; in sctp_msghdr_parse()
8635 cmsgs->prinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8636 if (cmsgs->prinfo->pr_policy & ~SCTP_PR_SCTP_MASK) in sctp_msghdr_parse()
8637 return -EINVAL; in sctp_msghdr_parse()
8639 if (cmsgs->prinfo->pr_policy == SCTP_PR_SCTP_NONE) in sctp_msghdr_parse()
8640 cmsgs->prinfo->pr_value = 0; in sctp_msghdr_parse()
8649 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8652 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_authinfo))) in sctp_msghdr_parse()
8653 return -EINVAL; in sctp_msghdr_parse()
8655 cmsgs->authinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8665 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8667 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8670 cmsgs->addrs_msg = my_msg; in sctp_msghdr_parse()
8673 return -EINVAL; in sctp_msghdr_parse()
8697 if (!skb_queue_empty(&sk->sk_receive_queue)) in sctp_wait_for_packet()
8701 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_wait_for_packet()
8707 error = -ENOTCONN; in sctp_wait_for_packet()
8710 if (list_empty(&sctp_sk(sk)->ep->asocs) && !sctp_sstate(sk, LISTENING)) in sctp_wait_for_packet()
8764 skb = skb_peek(&sk->sk_receive_queue); in sctp_skb_recv_datagram()
8766 refcount_inc(&skb->users); in sctp_skb_recv_datagram()
8768 skb = __skb_dequeue(&sk->sk_receive_queue); in sctp_skb_recv_datagram()
8774 /* Caller is allowed not to check sk->sk_err before calling. */ in sctp_skb_recv_datagram()
8779 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_skb_recv_datagram()
8785 if (!skb_queue_empty_lockless(&sk->sk_receive_queue)) in sctp_skb_recv_datagram()
8790 error = -EAGAIN; in sctp_skb_recv_datagram()
8805 struct sock *sk = asoc->base.sk; in __sctp_write_space()
8810 if (waitqueue_active(&asoc->wait)) in __sctp_write_space()
8811 wake_up_interruptible(&asoc->wait); in __sctp_write_space()
8817 wq = rcu_dereference(sk->sk_wq); in __sctp_write_space()
8819 if (waitqueue_active(&wq->wait)) in __sctp_write_space()
8820 wake_up_interruptible(&wq->wait); in __sctp_write_space()
8826 if (!(sk->sk_shutdown & SEND_SHUTDOWN)) in __sctp_write_space()
8841 if (asoc->ep->sndbuf_policy) in sctp_wake_up_waiters()
8847 if (asoc->base.dead) in sctp_wake_up_waiters()
8863 if (&tmp->asocs == &((sctp_sk(sk))->ep->asocs)) in sctp_wake_up_waiters()
8879 struct sctp_chunk *chunk = skb_shinfo(skb)->destructor_arg; in sctp_wfree()
8880 struct sctp_association *asoc = chunk->asoc; in sctp_wfree()
8881 struct sock *sk = asoc->base.sk; in sctp_wfree()
8883 sk_mem_uncharge(sk, skb->truesize); in sctp_wfree()
8884 sk->sk_wmem_queued -= skb->truesize + sizeof(struct sctp_chunk); in sctp_wfree()
8885 asoc->sndbuf_used -= skb->truesize + sizeof(struct sctp_chunk); in sctp_wfree()
8887 &sk->sk_wmem_alloc)); in sctp_wfree()
8889 if (chunk->shkey) { in sctp_wfree()
8890 struct sctp_shared_key *shkey = chunk->shkey; in sctp_wfree()
8896 if (shkey->deactivated && !list_empty(&shkey->key_list) && in sctp_wfree()
8897 refcount_read(&shkey->refcnt) == 2) { in sctp_wfree()
8900 ev = sctp_ulpevent_make_authkey(asoc, shkey->key_id, in sctp_wfree()
8904 asoc->stream.si->enqueue_event(&asoc->ulpq, ev); in sctp_wfree()
8906 sctp_auth_shkey_release(chunk->shkey); in sctp_wfree()
8922 struct sock *sk = skb->sk; in sctp_sock_rfree()
8925 atomic_sub(event->rmem_len, &sk->sk_rmem_alloc); in sctp_sock_rfree()
8930 sk_mem_uncharge(sk, event->rmem_len); in sctp_sock_rfree()
8938 struct sock *sk = asoc->base.sk; in sctp_wait_for_sndbuf()
8951 prepare_to_wait_exclusive(&asoc->wait, &wait, in sctp_wait_for_sndbuf()
8953 if (asoc->base.dead) in sctp_wait_for_sndbuf()
8957 if (sk->sk_err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING) in sctp_wait_for_sndbuf()
8973 if (sk != asoc->base.sk) in sctp_wait_for_sndbuf()
8980 finish_wait(&asoc->wait, &wait); in sctp_wait_for_sndbuf()
8988 err = -ESRCH; in sctp_wait_for_sndbuf()
8992 err = -EPIPE; in sctp_wait_for_sndbuf()
9000 err = -EAGAIN; in sctp_wait_for_sndbuf()
9009 wq = rcu_dereference(sk->sk_wq); in sctp_data_ready()
9011 wake_up_interruptible_sync_poll(&wq->wait, EPOLLIN | in sctp_data_ready()
9023 list_for_each_entry(asoc, &((sctp_sk(sk))->ep->asocs), asocs) { in sctp_write_space()
9031 * associations on the same socket. For a UDP-style socket with
9035 * would cause an unwanted block under certain circumstances. For the 1-1
9036 * UDP-style sockets or TCP-style sockets, this code should work.
9037 * - Daisy
9041 return sk->sk_sndbuf > sk->sk_wmem_queued; in sctp_writeable()
9049 struct sock *sk = asoc->base.sk; in sctp_wait_for_connect()
9060 prepare_to_wait_exclusive(&asoc->wait, &wait, in sctp_wait_for_connect()
9064 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_wait_for_connect()
9066 if (sk->sk_err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING || in sctp_wait_for_connect()
9067 asoc->base.dead) in sctp_wait_for_connect()
9086 finish_wait(&asoc->wait, &wait); in sctp_wait_for_connect()
9094 if (asoc->init_err_counter + 1 > asoc->max_init_attempts) in sctp_wait_for_connect()
9095 err = -ETIMEDOUT; in sctp_wait_for_connect()
9097 err = -ECONNREFUSED; in sctp_wait_for_connect()
9105 err = -EINPROGRESS; in sctp_wait_for_connect()
9115 ep = sctp_sk(sk)->ep; in sctp_wait_for_accept()
9122 if (list_empty(&ep->asocs)) { in sctp_wait_for_accept()
9128 err = -EINVAL; in sctp_wait_for_accept()
9133 if (!list_empty(&ep->asocs)) in sctp_wait_for_accept()
9140 err = -EAGAIN; in sctp_wait_for_accept()
9156 if (list_empty(&sctp_sk(sk)->ep->asocs)) in sctp_wait_for_close()
9170 if (!skb->data_len) in sctp_skb_set_owner_r_frag()
9186 struct sctp_sock *sp = sctp_sk(sk); in sctp_copy_sock() local
9187 struct sctp_endpoint *ep = sp->ep; in sctp_copy_sock()
9189 newsk->sk_type = sk->sk_type; in sctp_copy_sock()
9190 newsk->sk_bound_dev_if = sk->sk_bound_dev_if; in sctp_copy_sock()
9191 newsk->sk_flags = sk->sk_flags; in sctp_copy_sock()
9192 newsk->sk_tsflags = sk->sk_tsflags; in sctp_copy_sock()
9193 newsk->sk_no_check_tx = sk->sk_no_check_tx; in sctp_copy_sock()
9194 newsk->sk_no_check_rx = sk->sk_no_check_rx; in sctp_copy_sock()
9195 newsk->sk_reuse = sk->sk_reuse; in sctp_copy_sock()
9196 sctp_sk(newsk)->reuse = sp->reuse; in sctp_copy_sock()
9198 newsk->sk_shutdown = sk->sk_shutdown; in sctp_copy_sock()
9199 newsk->sk_destruct = sctp_destruct_sock; in sctp_copy_sock()
9200 newsk->sk_family = sk->sk_family; in sctp_copy_sock()
9201 newsk->sk_protocol = IPPROTO_SCTP; in sctp_copy_sock()
9202 newsk->sk_backlog_rcv = sk->sk_prot->backlog_rcv; in sctp_copy_sock()
9203 newsk->sk_sndbuf = sk->sk_sndbuf; in sctp_copy_sock()
9204 newsk->sk_rcvbuf = sk->sk_rcvbuf; in sctp_copy_sock()
9205 newsk->sk_lingertime = sk->sk_lingertime; in sctp_copy_sock()
9206 newsk->sk_rcvtimeo = sk->sk_rcvtimeo; in sctp_copy_sock()
9207 newsk->sk_sndtimeo = sk->sk_sndtimeo; in sctp_copy_sock()
9208 newsk->sk_rxhash = sk->sk_rxhash; in sctp_copy_sock()
9215 newinet->inet_sport = inet->inet_sport; in sctp_copy_sock()
9216 newinet->inet_saddr = inet->inet_saddr; in sctp_copy_sock()
9217 newinet->inet_rcv_saddr = inet->inet_rcv_saddr; in sctp_copy_sock()
9218 newinet->inet_dport = htons(asoc->peer.port); in sctp_copy_sock()
9219 newinet->pmtudisc = inet->pmtudisc; in sctp_copy_sock()
9220 newinet->inet_id = prandom_u32(); in sctp_copy_sock()
9222 newinet->uc_ttl = inet->uc_ttl; in sctp_copy_sock()
9223 newinet->mc_loop = 1; in sctp_copy_sock()
9224 newinet->mc_ttl = 1; in sctp_copy_sock()
9225 newinet->mc_index = 0; in sctp_copy_sock()
9226 newinet->mc_list = NULL; in sctp_copy_sock()
9228 if (newsk->sk_flags & SK_FLAGS_TIMESTAMP) in sctp_copy_sock()
9242 ancestor_size += sk_from->sk_prot->obj_size; in sctp_copy_descendant()
9243 ancestor_size -= offsetof(struct sctp_sock, pd_lobby); in sctp_copy_descendant()
9257 struct sctp_endpoint *newep = newsp->ep; in sctp_sock_migrate()
9266 newsk->sk_sndbuf = oldsk->sk_sndbuf; in sctp_sock_migrate()
9267 newsk->sk_rcvbuf = oldsk->sk_rcvbuf; in sctp_sock_migrate()
9274 newsp->ep = newep; in sctp_sock_migrate()
9275 newsp->hmac = NULL; in sctp_sock_migrate()
9279 inet_sk(oldsk)->inet_num)]; in sctp_sock_migrate()
9280 spin_lock_bh(&head->lock); in sctp_sock_migrate()
9281 pp = sctp_sk(oldsk)->bind_hash; in sctp_sock_migrate()
9282 sk_add_bind_node(newsk, &pp->owner); in sctp_sock_migrate()
9283 sctp_sk(newsk)->bind_hash = pp; in sctp_sock_migrate()
9284 inet_sk(newsk)->inet_num = inet_sk(oldsk)->inet_num; in sctp_sock_migrate()
9285 spin_unlock_bh(&head->lock); in sctp_sock_migrate()
9290 err = sctp_bind_addr_dup(&newsp->ep->base.bind_addr, in sctp_sock_migrate()
9291 &oldsp->ep->base.bind_addr, GFP_KERNEL); in sctp_sock_migrate()
9296 * that net->sctp.auth_enable has been changed to 0 by users and in sctp_sock_migrate()
9299 if (oldsp->ep->auth_hmacs) { in sctp_sock_migrate()
9300 err = sctp_auth_init_hmacs(newsp->ep, GFP_KERNEL); in sctp_sock_migrate()
9310 sctp_skb_for_each(skb, &oldsk->sk_receive_queue, tmp) { in sctp_sock_migrate()
9312 if (event->asoc == assoc) { in sctp_sock_migrate()
9313 __skb_unlink(skb, &oldsk->sk_receive_queue); in sctp_sock_migrate()
9314 __skb_queue_tail(&newsk->sk_receive_queue, skb); in sctp_sock_migrate()
9323 * 3) Peeling off non-partial delivery; move pd_lobby to receive_queue. in sctp_sock_migrate()
9325 atomic_set(&sctp_sk(newsk)->pd_mode, assoc->ulpq.pd_mode); in sctp_sock_migrate()
9327 if (atomic_read(&sctp_sk(oldsk)->pd_mode)) { in sctp_sock_migrate()
9331 if (assoc->ulpq.pd_mode) { in sctp_sock_migrate()
9332 queue = &newsp->pd_lobby; in sctp_sock_migrate()
9334 queue = &newsk->sk_receive_queue; in sctp_sock_migrate()
9339 sctp_skb_for_each(skb, &oldsp->pd_lobby, tmp) { in sctp_sock_migrate()
9341 if (event->asoc == assoc) { in sctp_sock_migrate()
9342 __skb_unlink(skb, &oldsp->pd_lobby); in sctp_sock_migrate()
9351 if (assoc->ulpq.pd_mode) in sctp_sock_migrate()
9359 * original UDP-style socket or created with the accept() call on a in sctp_sock_migrate()
9360 * TCP-style socket.. in sctp_sock_migrate()
9362 newsp->type = type; in sctp_sock_migrate()
9364 /* Mark the new socket "in-use" by the user so that any packets in sctp_sock_migrate()
9367 * backlog processing on the old socket and new-packet processing in sctp_sock_migrate()
9383 newsk->sk_shutdown |= RCV_SHUTDOWN; in sctp_sock_migrate()
9417 .usersize = offsetof(struct sctp_sock, initmsg) -
9460 .usersize = offsetof(struct sctp6_sock, sctp.initmsg) -