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_bh(&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_bh(&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 !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) in sctp_do_bind()
416 return -EACCES; in sctp_do_bind()
421 if (sctp_bind_addr_match(bp, addr, sp)) in sctp_do_bind()
422 return -EINVAL; in sctp_do_bind()
428 addr->v4.sin_port = htons(snum); in sctp_do_bind()
430 return -EADDRINUSE; in sctp_do_bind()
433 if (!bp->port) { in sctp_do_bind()
434 bp->port = inet_sk(sk)->inet_num; in sctp_do_bind()
435 sctp_auto_asconf_init(sp); in sctp_do_bind()
441 ret = sctp_add_bind_addr(bp, addr, af->sockaddr_len, in sctp_do_bind()
449 inet_sk(sk)->inet_sport = htons(inet_sk(sk)->inet_num); in sctp_do_bind()
450 sp->pf->to_sk_saddr(addr, sk); in sctp_do_bind()
460 * ASCONF-ACK Chunk returns from the previous ASCONF Chunk before sending a
462 * time two ASCONF may be in-transit on any given association (one sent
473 if (asoc->addip_last_asconf) { in sctp_send_asconf()
474 list_add_tail(&chunk->list, &asoc->addip_chunk_list); in sctp_send_asconf()
480 retval = sctp_primitive_ASCONF(asoc->base.net, asoc, chunk); in sctp_send_asconf()
484 asoc->addip_last_asconf = chunk; in sctp_send_asconf()
519 af = sctp_get_af_specific(sa_addr->sa_family); in sctp_bindx_add()
521 retval = -EINVAL; in sctp_bindx_add()
526 af->sockaddr_len); in sctp_bindx_add()
528 addr_buf += af->sockaddr_len; in sctp_bindx_add()
556 struct sctp_sock *sp; in sctp_send_asconf_add_ip() local
570 sp = sctp_sk(sk); in sctp_send_asconf_add_ip()
571 ep = sp->ep; in sctp_send_asconf_add_ip()
573 if (!ep->asconf_enable) in sctp_send_asconf_add_ip()
579 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_send_asconf_add_ip()
580 if (!asoc->peer.asconf_capable) in sctp_send_asconf_add_ip()
583 if (asoc->peer.addip_disabled_mask & SCTP_PARAM_ADD_IP) in sctp_send_asconf_add_ip()
597 af = sctp_get_af_specific(addr->v4.sin_family); in sctp_send_asconf_add_ip()
599 retval = -EINVAL; in sctp_send_asconf_add_ip()
606 addr_buf += af->sockaddr_len; in sctp_send_asconf_add_ip()
614 bp = &asoc->base.bind_addr; in sctp_send_asconf_add_ip()
615 p = bp->address_list.next; in sctp_send_asconf_add_ip()
617 chunk = sctp_make_asconf_update_ip(asoc, &laddr->a, addrs, in sctp_send_asconf_add_ip()
620 retval = -ENOMEM; in sctp_send_asconf_add_ip()
630 af = sctp_get_af_specific(addr->v4.sin_family); in sctp_send_asconf_add_ip()
631 memcpy(&saveaddr, addr, af->sockaddr_len); in sctp_send_asconf_add_ip()
635 addr_buf += af->sockaddr_len; in sctp_send_asconf_add_ip()
637 if (asoc->src_out_of_asoc_ok) { in sctp_send_asconf_add_ip()
641 &asoc->peer.transport_addr_list, transports) { in sctp_send_asconf_add_ip()
642 trans->cwnd = min(4*asoc->pathmtu, max_t(__u32, in sctp_send_asconf_add_ip()
643 2*asoc->pathmtu, 4380)); in sctp_send_asconf_add_ip()
644 trans->ssthresh = asoc->peer.i.a_rwnd; in sctp_send_asconf_add_ip()
645 trans->rto = asoc->rto_initial; in sctp_send_asconf_add_ip()
647 trans->rtt = trans->srtt = trans->rttvar = 0; in sctp_send_asconf_add_ip()
650 sctp_sk(asoc->base.sk)); in sctp_send_asconf_add_ip()
671 * available, the operation will return -EBUSY.
677 struct sctp_sock *sp = sctp_sk(sk); in sctp_bindx_rem() local
678 struct sctp_endpoint *ep = sp->ep; in sctp_bindx_rem()
680 struct sctp_bind_addr *bp = &ep->base.bind_addr; in sctp_bindx_rem()
695 if (list_empty(&bp->address_list) || in sctp_bindx_rem()
696 (sctp_list_single_entry(&bp->address_list))) { in sctp_bindx_rem()
697 retval = -EBUSY; in sctp_bindx_rem()
702 af = sctp_get_af_specific(sa_addr->sa.sa_family); in sctp_bindx_rem()
704 retval = -EINVAL; in sctp_bindx_rem()
708 if (!af->addr_valid(sa_addr, sp, NULL)) { in sctp_bindx_rem()
709 retval = -EADDRNOTAVAIL; in sctp_bindx_rem()
713 if (sa_addr->v4.sin_port && in sctp_bindx_rem()
714 sa_addr->v4.sin_port != htons(bp->port)) { in sctp_bindx_rem()
715 retval = -EINVAL; in sctp_bindx_rem()
719 if (!sa_addr->v4.sin_port) in sctp_bindx_rem()
720 sa_addr->v4.sin_port = htons(bp->port); in sctp_bindx_rem()
722 /* FIXME - There is probably a need to check if sk->sk_saddr and in sctp_bindx_rem()
723 * sk->sk_rcv_addr are currently set to one of the addresses to in sctp_bindx_rem()
725 * when we are fixing the outstanding issues with multi-homing in sctp_bindx_rem()
727 * sctp_do_bind(). -daisy in sctp_bindx_rem()
731 addr_buf += af->sockaddr_len; in sctp_bindx_rem()
758 struct sctp_sock *sp; in sctp_send_asconf_del_ip() local
773 sp = sctp_sk(sk); in sctp_send_asconf_del_ip()
774 ep = sp->ep; in sctp_send_asconf_del_ip()
776 if (!ep->asconf_enable) in sctp_send_asconf_del_ip()
782 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_send_asconf_del_ip()
784 if (!asoc->peer.asconf_capable) in sctp_send_asconf_del_ip()
787 if (asoc->peer.addip_disabled_mask & SCTP_PARAM_DEL_IP) in sctp_send_asconf_del_ip()
801 af = sctp_get_af_specific(laddr->v4.sin_family); in sctp_send_asconf_del_ip()
803 retval = -EINVAL; in sctp_send_asconf_del_ip()
810 addr_buf += af->sockaddr_len; in sctp_send_asconf_del_ip()
820 bp = &asoc->base.bind_addr; in sctp_send_asconf_del_ip()
822 addrcnt, sp); in sctp_send_asconf_del_ip()
824 if (asoc->asconf_addr_del_pending) in sctp_send_asconf_del_ip()
826 asoc->asconf_addr_del_pending = in sctp_send_asconf_del_ip()
828 if (asoc->asconf_addr_del_pending == NULL) { in sctp_send_asconf_del_ip()
829 retval = -ENOMEM; in sctp_send_asconf_del_ip()
832 asoc->asconf_addr_del_pending->sa.sa_family = in sctp_send_asconf_del_ip()
833 addrs->sa_family; in sctp_send_asconf_del_ip()
834 asoc->asconf_addr_del_pending->v4.sin_port = in sctp_send_asconf_del_ip()
835 htons(bp->port); in sctp_send_asconf_del_ip()
836 if (addrs->sa_family == AF_INET) { in sctp_send_asconf_del_ip()
840 asoc->asconf_addr_del_pending->v4.sin_addr.s_addr = sin->sin_addr.s_addr; in sctp_send_asconf_del_ip()
841 } else if (addrs->sa_family == AF_INET6) { in sctp_send_asconf_del_ip()
845 asoc->asconf_addr_del_pending->v6.sin6_addr = sin6->sin6_addr; in sctp_send_asconf_del_ip()
849 __func__, asoc, &asoc->asconf_addr_del_pending->sa, in sctp_send_asconf_del_ip()
850 asoc->asconf_addr_del_pending); in sctp_send_asconf_del_ip()
852 asoc->src_out_of_asoc_ok = 1; in sctp_send_asconf_del_ip()
858 return -EINVAL; in sctp_send_asconf_del_ip()
867 retval = -ENOMEM; in sctp_send_asconf_del_ip()
878 af = sctp_get_af_specific(laddr->v4.sin_family); in sctp_send_asconf_del_ip()
879 list_for_each_entry(saddr, &bp->address_list, list) { in sctp_send_asconf_del_ip()
880 if (sctp_cmp_addr_exact(&saddr->a, laddr)) in sctp_send_asconf_del_ip()
881 saddr->state = SCTP_ADDR_DEL; in sctp_send_asconf_del_ip()
883 addr_buf += af->sockaddr_len; in sctp_send_asconf_del_ip()
890 list_for_each_entry(transport, &asoc->peer.transport_addr_list, in sctp_send_asconf_del_ip()
893 sctp_sk(asoc->base.sk)); in sctp_send_asconf_del_ip()
906 int sctp_asconf_mgmt(struct sctp_sock *sp, struct sctp_sockaddr_entry *addrw) in sctp_asconf_mgmt() argument
908 struct sock *sk = sctp_opt2sk(sp); in sctp_asconf_mgmt()
913 addr = &addrw->a; in sctp_asconf_mgmt()
914 addr->v4.sin_port = htons(sp->ep->base.bind_addr.port); in sctp_asconf_mgmt()
915 af = sctp_get_af_specific(addr->sa.sa_family); in sctp_asconf_mgmt()
917 return -EINVAL; in sctp_asconf_mgmt()
918 if (sctp_verify_addr(sk, addr, af->sockaddr_len)) in sctp_asconf_mgmt()
919 return -EINVAL; in sctp_asconf_mgmt()
921 if (addrw->state == SCTP_ADDR_NEW) in sctp_asconf_mgmt()
948 * -1, and sets errno to the appropriate error code.
1010 return -EINVAL; in sctp_setsockopt_bindx()
1015 return -EINVAL; in sctp_setsockopt_bindx()
1018 af = sctp_get_af_specific(sa_addr->sa_family); in sctp_setsockopt_bindx()
1023 if (!af || (walk_size + af->sockaddr_len) > addrs_size) in sctp_setsockopt_bindx()
1024 return -EINVAL; in sctp_setsockopt_bindx()
1026 addr_buf += af->sockaddr_len; in sctp_setsockopt_bindx()
1027 walk_size += af->sockaddr_len; in sctp_setsockopt_bindx()
1049 return -EINVAL; in sctp_setsockopt_bindx()
1070 struct sock *sk = ep->base.sk; in sctp_connect_new_asoc()
1076 return -EADDRNOTAVAIL; in sctp_connect_new_asoc()
1078 if (!ep->base.bind_addr.port) { in sctp_connect_new_asoc()
1080 return -EAGAIN; in sctp_connect_new_asoc()
1082 if (inet_port_requires_bind_service(net, ep->base.bind_addr.port) && in sctp_connect_new_asoc()
1083 !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE)) in sctp_connect_new_asoc()
1084 return -EACCES; in sctp_connect_new_asoc()
1090 return -ENOMEM; in sctp_connect_new_asoc()
1098 err = -ENOMEM; in sctp_connect_new_asoc()
1105 if (init->sinit_num_ostreams) { in sctp_connect_new_asoc()
1106 __u16 outcnt = init->sinit_num_ostreams; in sctp_connect_new_asoc()
1108 asoc->c.sinit_num_ostreams = outcnt; in sctp_connect_new_asoc()
1109 /* outcnt has been changed, need to re-init stream */ in sctp_connect_new_asoc()
1110 err = sctp_stream_init(&asoc->stream, outcnt, 0, GFP_KERNEL); in sctp_connect_new_asoc()
1115 if (init->sinit_max_instreams) in sctp_connect_new_asoc()
1116 asoc->c.sinit_max_instreams = init->sinit_max_instreams; in sctp_connect_new_asoc()
1118 if (init->sinit_max_attempts) in sctp_connect_new_asoc()
1119 asoc->max_init_attempts = init->sinit_max_attempts; in sctp_connect_new_asoc()
1121 if (init->sinit_max_init_timeo) in sctp_connect_new_asoc()
1122 asoc->max_init_timeo = in sctp_connect_new_asoc()
1123 msecs_to_jiffies(init->sinit_max_init_timeo); in sctp_connect_new_asoc()
1134 struct sctp_endpoint *ep = asoc->ep; in sctp_connect_add_peer()
1139 err = sctp_verify_addr(ep->base.sk, daddr, addr_len); in sctp_connect_add_peer()
1145 return old->state >= SCTP_STATE_ESTABLISHED ? -EISCONN in sctp_connect_add_peer()
1146 : -EALREADY; in sctp_connect_add_peer()
1149 return -EADDRNOTAVAIL; in sctp_connect_add_peer()
1153 return -ENOMEM; in sctp_connect_add_peer()
1166 struct sctp_sock *sp = sctp_sk(sk); in __sctp_connect() local
1167 struct sctp_endpoint *ep = sp->ep; in __sctp_connect()
1178 return -EISCONN; in __sctp_connect()
1181 af = sctp_get_af_specific(daddr->sa.sa_family); in __sctp_connect()
1182 if (!af || af->sockaddr_len > addrs_size) in __sctp_connect()
1183 return -EINVAL; in __sctp_connect()
1185 err = sctp_verify_addr(sk, daddr, af->sockaddr_len); in __sctp_connect()
1191 return asoc->state >= SCTP_STATE_ESTABLISHED ? -EISCONN in __sctp_connect()
1192 : -EALREADY; in __sctp_connect()
1197 asoc = transport->asoc; in __sctp_connect()
1199 addr_buf += af->sockaddr_len; in __sctp_connect()
1200 walk_size = af->sockaddr_len; in __sctp_connect()
1202 err = -EINVAL; in __sctp_connect()
1207 af = sctp_get_af_specific(daddr->sa.sa_family); in __sctp_connect()
1208 if (!af || af->sockaddr_len + walk_size > addrs_size) in __sctp_connect()
1211 if (asoc->peer.port != ntohs(daddr->v4.sin_port)) in __sctp_connect()
1214 err = sctp_connect_add_peer(asoc, daddr, af->sockaddr_len); in __sctp_connect()
1218 addr_buf += af->sockaddr_len; in __sctp_connect()
1219 walk_size += af->sockaddr_len; in __sctp_connect()
1236 inet_sk(sk)->inet_dport = htons(asoc->peer.port); in __sctp_connect()
1237 sp->pf->to_sk_daddr(daddr, sk); in __sctp_connect()
1238 sk->sk_err = 0; in __sctp_connect()
1241 *assoc_id = asoc->assoc_id; in __sctp_connect()
1275 * returns -1, and sets errno to the appropriate error code. The assoc_id
1282 * an endpoint that is multi-homed. Much like sctp_bindx() this call
1318 return -EINVAL; in __sctp_setsockopt_connectx()
1327 /* in-kernel sockets don't generally have a file allocated to them in __sctp_setsockopt_connectx()
1330 if (sk->sk_socket->file) in __sctp_setsockopt_connectx()
1331 flags = sk->sk_socket->file->f_flags; in __sctp_setsockopt_connectx()
1370 * We use the sctp_getaddrs_old structure so that use-space library
1373 * addrs_num structure member. That way we can re-use the existing
1398 return -EINVAL; in sctp_getsockopt_connectx3()
1400 return -EFAULT; in sctp_getsockopt_connectx3()
1409 return -EINVAL; in sctp_getsockopt_connectx3()
1411 return -EFAULT; in sctp_getsockopt_connectx3()
1420 if (err == 0 || err == -EINPROGRESS) { in sctp_getsockopt_connectx3()
1422 return -EFAULT; in sctp_getsockopt_connectx3()
1424 return -EFAULT; in sctp_getsockopt_connectx3()
1430 /* API 3.1.4 close() - UDP Style Syntax
1433 * by a UDP-style socket.
1439 * sd - the socket descriptor of the associations to be closed.
1442 * UDP-style socket, an application should use the sendmsg() call,
1446 * If sd in the close() call is a branched-off socket representing only
1449 * 4.1.6 close() - TCP Style Syntax
1457 * sd - the socket descriptor of the association to be closed.
1464 * An application using the TCP-style socket can use this option to
1491 sk->sk_shutdown = SHUTDOWN_MASK; in sctp_close()
1494 ep = sctp_sk(sk)->ep; in sctp_close()
1497 data_was_unread = sctp_queue_purge_ulpevents(&sk->sk_receive_queue); in sctp_close()
1498 data_was_unread += sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby); in sctp_close()
1501 list_for_each_safe(pos, temp, &ep->asocs) { in sctp_close()
1506 * it belongs to a TCP-style listening socket that is in sctp_close()
1516 if (data_was_unread || !skb_queue_empty(&asoc->ulpq.lobby) || in sctp_close()
1517 !skb_queue_empty(&asoc->ulpq.reasm) || in sctp_close()
1518 !skb_queue_empty(&asoc->ulpq.reasm_uo) || in sctp_close()
1519 (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)) { in sctp_close()
1528 /* On a TCP-style socket, block for at most linger_time if set. */ in sctp_close()
1540 spin_lock_bh(&net->sctp.addr_wq_lock); in sctp_close()
1550 spin_unlock_bh(&net->sctp.addr_wq_lock); in sctp_close()
1560 if (err == -EPIPE) in sctp_error()
1561 err = sock_error(sk) ? : -EPIPE; in sctp_error()
1562 if (err == -EPIPE && !(flags & MSG_NOSIGNAL)) in sctp_error()
1567 /* API 3.1.3 sendmsg() - UDP Style Syntax
1575 * socket - the socket descriptor of the endpoint.
1576 * message - pointer to the msghdr structure which contains a single
1582 * flags - flags sent or received with the user message, see Section
1601 return -EPIPE; in sctp_sendmsg_parse()
1603 if (msg_len > sk->sk_sndbuf) in sctp_sendmsg_parse()
1604 return -EMSGSIZE; in sctp_sendmsg_parse()
1614 if (cmsgs->srinfo) { in sctp_sendmsg_parse()
1615 srinfo->sinfo_stream = cmsgs->srinfo->sinfo_stream; in sctp_sendmsg_parse()
1616 srinfo->sinfo_flags = cmsgs->srinfo->sinfo_flags; in sctp_sendmsg_parse()
1617 srinfo->sinfo_ppid = cmsgs->srinfo->sinfo_ppid; in sctp_sendmsg_parse()
1618 srinfo->sinfo_context = cmsgs->srinfo->sinfo_context; in sctp_sendmsg_parse()
1619 srinfo->sinfo_assoc_id = cmsgs->srinfo->sinfo_assoc_id; in sctp_sendmsg_parse()
1620 srinfo->sinfo_timetolive = cmsgs->srinfo->sinfo_timetolive; in sctp_sendmsg_parse()
1623 if (cmsgs->sinfo) { in sctp_sendmsg_parse()
1624 srinfo->sinfo_stream = cmsgs->sinfo->snd_sid; in sctp_sendmsg_parse()
1625 srinfo->sinfo_flags = cmsgs->sinfo->snd_flags; in sctp_sendmsg_parse()
1626 srinfo->sinfo_ppid = cmsgs->sinfo->snd_ppid; in sctp_sendmsg_parse()
1627 srinfo->sinfo_context = cmsgs->sinfo->snd_context; in sctp_sendmsg_parse()
1628 srinfo->sinfo_assoc_id = cmsgs->sinfo->snd_assoc_id; in sctp_sendmsg_parse()
1631 if (cmsgs->prinfo) { in sctp_sendmsg_parse()
1632 srinfo->sinfo_timetolive = cmsgs->prinfo->pr_value; in sctp_sendmsg_parse()
1633 SCTP_PR_SET_POLICY(srinfo->sinfo_flags, in sctp_sendmsg_parse()
1634 cmsgs->prinfo->pr_policy); in sctp_sendmsg_parse()
1637 sflags = srinfo->sinfo_flags; in sctp_sendmsg_parse()
1642 return -EINVAL; in sctp_sendmsg_parse()
1646 return -EINVAL; in sctp_sendmsg_parse()
1648 if ((sflags & SCTP_ADDR_OVER) && !msg->msg_name) in sctp_sendmsg_parse()
1649 return -EINVAL; in sctp_sendmsg_parse()
1659 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_sendmsg_new_asoc()
1669 return -EINVAL; in sctp_sendmsg_new_asoc()
1673 return -EADDRNOTAVAIL; in sctp_sendmsg_new_asoc()
1675 /* Label connection socket for first association 1-to-many in sctp_sendmsg_new_asoc()
1676 * style for client sequence socket()->sendmsg(). This in sctp_sendmsg_new_asoc()
1681 af = sctp_get_af_specific(daddr->sa.sa_family); in sctp_sendmsg_new_asoc()
1683 return -EINVAL; in sctp_sendmsg_new_asoc()
1686 af->sockaddr_len); in sctp_sendmsg_new_asoc()
1690 err = sctp_connect_new_asoc(ep, daddr, cmsgs->init, tp); in sctp_sendmsg_new_asoc()
1693 asoc = (*tp)->asoc; in sctp_sendmsg_new_asoc()
1695 if (!cmsgs->addrs_msg) in sctp_sendmsg_new_asoc()
1698 if (daddr->sa.sa_family == AF_INET6) in sctp_sendmsg_new_asoc()
1699 flowinfo = daddr->v6.sin6_flowinfo; in sctp_sendmsg_new_asoc()
1702 for_each_cmsghdr(cmsg, cmsgs->addrs_msg) { in sctp_sendmsg_new_asoc()
1706 if (cmsg->cmsg_level != IPPROTO_SCTP || in sctp_sendmsg_new_asoc()
1707 (cmsg->cmsg_type != SCTP_DSTADDRV4 && in sctp_sendmsg_new_asoc()
1708 cmsg->cmsg_type != SCTP_DSTADDRV6)) in sctp_sendmsg_new_asoc()
1713 dlen = cmsg->cmsg_len - sizeof(struct cmsghdr); in sctp_sendmsg_new_asoc()
1714 if (cmsg->cmsg_type == SCTP_DSTADDRV4) { in sctp_sendmsg_new_asoc()
1716 err = -EINVAL; in sctp_sendmsg_new_asoc()
1721 daddr->v4.sin_family = AF_INET; in sctp_sendmsg_new_asoc()
1722 daddr->v4.sin_port = htons(asoc->peer.port); in sctp_sendmsg_new_asoc()
1723 memcpy(&daddr->v4.sin_addr, CMSG_DATA(cmsg), dlen); in sctp_sendmsg_new_asoc()
1726 err = -EINVAL; in sctp_sendmsg_new_asoc()
1731 daddr->v6.sin6_flowinfo = flowinfo; in sctp_sendmsg_new_asoc()
1732 daddr->v6.sin6_family = AF_INET6; in sctp_sendmsg_new_asoc()
1733 daddr->v6.sin6_port = htons(asoc->peer.port); in sctp_sendmsg_new_asoc()
1734 memcpy(&daddr->v6.sin6_addr, CMSG_DATA(cmsg), dlen); in sctp_sendmsg_new_asoc()
1753 struct sock *sk = asoc->base.sk; in sctp_sendmsg_check_sflags()
1757 return -EPIPE; in sctp_sendmsg_check_sflags()
1775 return -ENOMEM; in sctp_sendmsg_check_sflags()
1779 iov_iter_revert(&msg->msg_iter, msg_len); in sctp_sendmsg_check_sflags()
1792 struct sock *sk = asoc->base.sk; in sctp_sendmsg_to_asoc()
1793 struct sctp_sock *sp = sctp_sk(sk); in sctp_sendmsg_to_asoc() local
1801 if (sinfo->sinfo_stream >= asoc->stream.outcnt) { in sctp_sendmsg_to_asoc()
1802 err = -EINVAL; in sctp_sendmsg_to_asoc()
1806 if (unlikely(!SCTP_SO(&asoc->stream, sinfo->sinfo_stream)->ext)) { in sctp_sendmsg_to_asoc()
1807 err = sctp_stream_init_ext(&asoc->stream, sinfo->sinfo_stream); in sctp_sendmsg_to_asoc()
1812 if (sp->disable_fragments && msg_len > asoc->frag_point) { in sctp_sendmsg_to_asoc()
1813 err = -EMSGSIZE; in sctp_sendmsg_to_asoc()
1817 if (asoc->pmtu_pending) { in sctp_sendmsg_to_asoc()
1818 if (sp->param_flags & SPP_PMTUD_ENABLE) in sctp_sendmsg_to_asoc()
1820 asoc->pmtu_pending = 0; in sctp_sendmsg_to_asoc()
1824 sctp_prsctp_prune(asoc, sinfo, msg_len - sctp_wspace(asoc)); in sctp_sendmsg_to_asoc()
1830 timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT); in sctp_sendmsg_to_asoc()
1834 if (unlikely(sinfo->sinfo_stream >= asoc->stream.outcnt)) { in sctp_sendmsg_to_asoc()
1835 err = -EINVAL; in sctp_sendmsg_to_asoc()
1845 if (asoc->ep->intl_enable) { in sctp_sendmsg_to_asoc()
1849 err = -ESRCH; in sctp_sendmsg_to_asoc()
1859 datamsg = sctp_datamsg_from_user(asoc, sinfo, &msg->msg_iter); in sctp_sendmsg_to_asoc()
1865 asoc->force_delay = !!(msg->msg_flags & MSG_MORE); in sctp_sendmsg_to_asoc()
1867 list_for_each_entry(chunk, &datamsg->chunks, frag_list) { in sctp_sendmsg_to_asoc()
1870 chunk->transport = transport; in sctp_sendmsg_to_asoc()
1884 timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT); in sctp_sendmsg_to_asoc()
1901 if (!sctp_style(sk, UDP_HIGH_BANDWIDTH) && msg->msg_name) { in sctp_sendmsg_get_daddr()
1902 int len = msg->msg_namelen; in sctp_sendmsg_get_daddr()
1907 daddr = (union sctp_addr *)msg->msg_name; in sctp_sendmsg_get_daddr()
1921 if (!cmsgs->srinfo && !cmsgs->sinfo) { in sctp_sendmsg_update_sinfo()
1922 sinfo->sinfo_stream = asoc->default_stream; in sctp_sendmsg_update_sinfo()
1923 sinfo->sinfo_ppid = asoc->default_ppid; in sctp_sendmsg_update_sinfo()
1924 sinfo->sinfo_context = asoc->default_context; in sctp_sendmsg_update_sinfo()
1925 sinfo->sinfo_assoc_id = sctp_assoc2id(asoc); in sctp_sendmsg_update_sinfo()
1927 if (!cmsgs->prinfo) in sctp_sendmsg_update_sinfo()
1928 sinfo->sinfo_flags = asoc->default_flags; in sctp_sendmsg_update_sinfo()
1931 if (!cmsgs->srinfo && !cmsgs->prinfo) in sctp_sendmsg_update_sinfo()
1932 sinfo->sinfo_timetolive = asoc->default_timetolive; in sctp_sendmsg_update_sinfo()
1934 if (cmsgs->authinfo) { in sctp_sendmsg_update_sinfo()
1936 * sinfo_ssn to save the keyid on tx path. in sctp_sendmsg_update_sinfo()
1938 sinfo->sinfo_tsn = 1; in sctp_sendmsg_update_sinfo()
1939 sinfo->sinfo_ssn = cmsgs->authinfo->auth_keynumber; in sctp_sendmsg_update_sinfo()
1945 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_sendmsg()
1961 sflags = sinfo->sinfo_flags; in sctp_sendmsg()
1974 list_for_each_entry_safe(asoc, tmp, &ep->asocs, asocs) { in sctp_sendmsg()
1989 iov_iter_revert(&msg->msg_iter, err); in sctp_sendmsg()
2009 asoc = transport->asoc; in sctp_sendmsg()
2016 asoc = sctp_id2assoc(sk, sinfo->sinfo_assoc_id); in sctp_sendmsg()
2018 err = -EPIPE; in sctp_sendmsg()
2032 if (err < 0 && err != -ESRCH && new) in sctp_sendmsg()
2038 return sctp_error(sk, msg->msg_flags, err); in sctp_sendmsg()
2058 len -= skb_len; in sctp_skb_pull()
2063 skb->len -= (len-rlen); in sctp_skb_pull()
2064 skb->data_len -= (len-rlen); in sctp_skb_pull()
2075 /* API 3.1.3 recvmsg() - UDP Style Syntax
2080 * socket - the socket descriptor of the endpoint.
2081 * message - pointer to the msghdr structure which contains a single
2087 * flags - flags sent or received with the user message, see Section
2094 struct sctp_sock *sp = sctp_sk(sk); in sctp_recvmsg() local
2108 err = -ENOTCONN; in sctp_recvmsg()
2119 skb_len = skb->len; in sctp_recvmsg()
2132 if (event->chunk && event->chunk->head_skb) in sctp_recvmsg()
2133 head_skb = event->chunk->head_skb; in sctp_recvmsg()
2138 msg->msg_flags |= MSG_NOTIFICATION; in sctp_recvmsg()
2139 sp->pf->event_msgname(event, msg->msg_name, addr_len); in sctp_recvmsg()
2141 sp->pf->skb_msgname(head_skb, msg->msg_name, addr_len); in sctp_recvmsg()
2145 if (sp->recvnxtinfo) in sctp_recvmsg()
2148 if (sp->recvrcvinfo) in sctp_recvmsg()
2151 if (sctp_ulpevent_type_enabled(sp->subscribe, SCTP_DATA_IO_EVENT)) in sctp_recvmsg()
2161 msg->msg_flags &= ~MSG_EOR; in sctp_recvmsg()
2165 skb_queue_head(&sk->sk_receive_queue, skb); in sctp_recvmsg()
2172 sctp_assoc_rwnd_increase(event->asoc, copied); in sctp_recvmsg()
2174 } else if ((event->msg_flags & MSG_NOTIFICATION) || in sctp_recvmsg()
2175 (event->msg_flags & MSG_EOR)) in sctp_recvmsg()
2176 msg->msg_flags |= MSG_EOR; in sctp_recvmsg()
2178 msg->msg_flags &= ~MSG_EOR; in sctp_recvmsg()
2209 return -EINVAL; in sctp_setsockopt_disable_fragments()
2210 sctp_sk(sk)->disable_fragments = (*val == 0) ? 0 : 1; in sctp_setsockopt_disable_fragments()
2217 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_events() local
2222 return -EINVAL; in sctp_setsockopt_events()
2225 sctp_ulpevent_type_set(&sp->subscribe, SCTP_SN_TYPE_BASE + i, in sctp_setsockopt_events()
2228 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in sctp_setsockopt_events()
2229 asoc->subscribe = sctp_sk(sk)->subscribe; in sctp_setsockopt_events()
2235 if (sctp_ulpevent_type_enabled(sp->subscribe, SCTP_SENDER_DRY_EVENT)) { in sctp_setsockopt_events()
2239 if (asoc && sctp_outq_is_empty(&asoc->outqueue)) { in sctp_setsockopt_events()
2243 return -ENOMEM; in sctp_setsockopt_events()
2245 asoc->stream.si->enqueue_event(&asoc->ulpq, event); in sctp_setsockopt_events()
2254 * This socket option is applicable to the UDP-style socket only. When
2266 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_autoclose() local
2269 /* Applicable to UDP-style socket only */ in sctp_setsockopt_autoclose()
2271 return -EOPNOTSUPP; in sctp_setsockopt_autoclose()
2273 return -EINVAL; in sctp_setsockopt_autoclose()
2275 sp->autoclose = *optval; in sctp_setsockopt_autoclose()
2276 if (sp->autoclose > net->sctp.max_autoclose) in sctp_setsockopt_autoclose()
2277 sp->autoclose = net->sctp.max_autoclose; in sctp_setsockopt_autoclose()
2303 * spp_assoc_id - (one-to-many style socket) This is filled in the
2306 * spp_address - This specifies which address is of interest.
2307 * spp_hbinterval - This contains the value of the heartbeat interval,
2311 * spp_pathmaxrxt - This contains the maximum number of
2316 * spp_pathmtu - When Path MTU discovery is disabled the value
2322 * spp_sackdelay - When delayed sack is enabled, this value specifies
2330 * spp_flags - These flags are used to control various features
2334 * SPP_HB_ENABLE - Enable heartbeats on the
2339 * SPP_HB_DISABLE - Disable heartbeats on the
2348 * SPP_HB_DEMAND - Request a user initiated heartbeat
2351 * SPP_HB_TIME_IS_ZERO - Specify's that the time for
2355 * SPP_PMTUD_ENABLE - This field will enable PMTU
2360 * SPP_PMTUD_DISABLE - This field will disable PMTU
2368 * SPP_SACKDELAY_ENABLE - Setting this flag turns
2374 * SPP_SACKDELAY_DISABLE - Setting this flag turns
2392 * returned. For non-IPv6 sockets, this flag will be left
2409 * - This field is used in conjunction with the
2412 * label. This setting has precedence over any IPv6-layer
2415 * spp_dscp - This field is used in conjunction with the SPP_DSCP flag
2418 * IPv4- or IPv6- layer setting.
2423 struct sctp_sock *sp, in sctp_apply_peer_addr_params() argument
2430 if (params->spp_flags & SPP_HB_DEMAND && trans) { in sctp_apply_peer_addr_params()
2431 error = sctp_primitive_REQUESTHEARTBEAT(trans->asoc->base.net, in sctp_apply_peer_addr_params()
2432 trans->asoc, trans); in sctp_apply_peer_addr_params()
2441 if (params->spp_flags & SPP_HB_ENABLE) { in sctp_apply_peer_addr_params()
2443 /* Re-zero the interval if the SPP_HB_TIME_IS_ZERO is in sctp_apply_peer_addr_params()
2447 if (params->spp_flags & SPP_HB_TIME_IS_ZERO) in sctp_apply_peer_addr_params()
2448 params->spp_hbinterval = 0; in sctp_apply_peer_addr_params()
2450 if (params->spp_hbinterval || in sctp_apply_peer_addr_params()
2451 (params->spp_flags & SPP_HB_TIME_IS_ZERO)) { in sctp_apply_peer_addr_params()
2453 trans->hbinterval = in sctp_apply_peer_addr_params()
2454 msecs_to_jiffies(params->spp_hbinterval); in sctp_apply_peer_addr_params()
2456 asoc->hbinterval = in sctp_apply_peer_addr_params()
2457 msecs_to_jiffies(params->spp_hbinterval); in sctp_apply_peer_addr_params()
2459 sp->hbinterval = params->spp_hbinterval; in sctp_apply_peer_addr_params()
2466 trans->param_flags = in sctp_apply_peer_addr_params()
2467 (trans->param_flags & ~SPP_HB) | hb_change; in sctp_apply_peer_addr_params()
2469 asoc->param_flags = in sctp_apply_peer_addr_params()
2470 (asoc->param_flags & ~SPP_HB) | hb_change; in sctp_apply_peer_addr_params()
2472 sp->param_flags = in sctp_apply_peer_addr_params()
2473 (sp->param_flags & ~SPP_HB) | hb_change; in sctp_apply_peer_addr_params()
2482 if ((params->spp_flags & SPP_PMTUD_DISABLE) && params->spp_pathmtu) { in sctp_apply_peer_addr_params()
2484 trans->pathmtu = params->spp_pathmtu; in sctp_apply_peer_addr_params()
2487 sctp_assoc_set_pmtu(asoc, params->spp_pathmtu); in sctp_apply_peer_addr_params()
2489 sp->pathmtu = params->spp_pathmtu; in sctp_apply_peer_addr_params()
2495 int update = (trans->param_flags & SPP_PMTUD_DISABLE) && in sctp_apply_peer_addr_params()
2496 (params->spp_flags & SPP_PMTUD_ENABLE); in sctp_apply_peer_addr_params()
2497 trans->param_flags = in sctp_apply_peer_addr_params()
2498 (trans->param_flags & ~SPP_PMTUD) | pmtud_change; in sctp_apply_peer_addr_params()
2500 sctp_transport_pmtu(trans, sctp_opt2sk(sp)); in sctp_apply_peer_addr_params()
2504 asoc->param_flags = in sctp_apply_peer_addr_params()
2505 (asoc->param_flags & ~SPP_PMTUD) | pmtud_change; in sctp_apply_peer_addr_params()
2507 sp->param_flags = in sctp_apply_peer_addr_params()
2508 (sp->param_flags & ~SPP_PMTUD) | pmtud_change; in sctp_apply_peer_addr_params()
2516 if ((params->spp_flags & SPP_SACKDELAY_ENABLE) && params->spp_sackdelay) { in sctp_apply_peer_addr_params()
2518 trans->sackdelay = in sctp_apply_peer_addr_params()
2519 msecs_to_jiffies(params->spp_sackdelay); in sctp_apply_peer_addr_params()
2521 asoc->sackdelay = in sctp_apply_peer_addr_params()
2522 msecs_to_jiffies(params->spp_sackdelay); in sctp_apply_peer_addr_params()
2524 sp->sackdelay = params->spp_sackdelay; in sctp_apply_peer_addr_params()
2530 trans->param_flags = in sctp_apply_peer_addr_params()
2531 (trans->param_flags & ~SPP_SACKDELAY) | in sctp_apply_peer_addr_params()
2534 asoc->param_flags = in sctp_apply_peer_addr_params()
2535 (asoc->param_flags & ~SPP_SACKDELAY) | in sctp_apply_peer_addr_params()
2538 sp->param_flags = in sctp_apply_peer_addr_params()
2539 (sp->param_flags & ~SPP_SACKDELAY) | in sctp_apply_peer_addr_params()
2547 if (params->spp_pathmaxrxt) { in sctp_apply_peer_addr_params()
2549 trans->pathmaxrxt = params->spp_pathmaxrxt; in sctp_apply_peer_addr_params()
2551 asoc->pathmaxrxt = params->spp_pathmaxrxt; in sctp_apply_peer_addr_params()
2553 sp->pathmaxrxt = params->spp_pathmaxrxt; in sctp_apply_peer_addr_params()
2557 if (params->spp_flags & SPP_IPV6_FLOWLABEL) { in sctp_apply_peer_addr_params()
2559 if (trans->ipaddr.sa.sa_family == AF_INET6) { in sctp_apply_peer_addr_params()
2560 trans->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2562 trans->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2567 list_for_each_entry(t, &asoc->peer.transport_addr_list, in sctp_apply_peer_addr_params()
2569 if (t->ipaddr.sa.sa_family != AF_INET6) in sctp_apply_peer_addr_params()
2571 t->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2573 t->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2575 asoc->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2577 asoc->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2578 } else if (sctp_opt2sk(sp)->sk_family == AF_INET6) { in sctp_apply_peer_addr_params()
2579 sp->flowlabel = params->spp_ipv6_flowlabel & in sctp_apply_peer_addr_params()
2581 sp->flowlabel |= SCTP_FLOWLABEL_SET_MASK; in sctp_apply_peer_addr_params()
2585 if (params->spp_flags & SPP_DSCP) { in sctp_apply_peer_addr_params()
2587 trans->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK; in sctp_apply_peer_addr_params()
2588 trans->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2592 list_for_each_entry(t, &asoc->peer.transport_addr_list, in sctp_apply_peer_addr_params()
2594 t->dscp = params->spp_dscp & in sctp_apply_peer_addr_params()
2596 t->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2598 asoc->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK; in sctp_apply_peer_addr_params()
2599 asoc->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2601 sp->dscp = params->spp_dscp & SCTP_DSCP_VAL_MASK; in sctp_apply_peer_addr_params()
2602 sp->dscp |= SCTP_DSCP_SET_MASK; in sctp_apply_peer_addr_params()
2615 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_peer_addr_params() local
2621 if (params->spp_flags & (SPP_DSCP | SPP_IPV6_FLOWLABEL)) in sctp_setsockopt_peer_addr_params()
2622 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2624 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2628 hb_change = params->spp_flags & SPP_HB; in sctp_setsockopt_peer_addr_params()
2629 pmtud_change = params->spp_flags & SPP_PMTUD; in sctp_setsockopt_peer_addr_params()
2630 sackdelay_change = params->spp_flags & SPP_SACKDELAY; in sctp_setsockopt_peer_addr_params()
2635 params->spp_sackdelay > 500 || in sctp_setsockopt_peer_addr_params()
2636 (params->spp_pathmtu && in sctp_setsockopt_peer_addr_params()
2637 params->spp_pathmtu < SCTP_DEFAULT_MINSEGMENT)) in sctp_setsockopt_peer_addr_params()
2638 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2643 if (!sctp_is_any(sk, (union sctp_addr *)¶ms->spp_address)) { in sctp_setsockopt_peer_addr_params()
2644 trans = sctp_addr_id2transport(sk, ¶ms->spp_address, in sctp_setsockopt_peer_addr_params()
2645 params->spp_assoc_id); in sctp_setsockopt_peer_addr_params()
2647 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2654 asoc = sctp_id2assoc(sk, params->spp_assoc_id); in sctp_setsockopt_peer_addr_params()
2655 if (!asoc && params->spp_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_peer_addr_params()
2657 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2662 if (params->spp_flags & SPP_HB_DEMAND && !trans && !asoc) in sctp_setsockopt_peer_addr_params()
2663 return -EINVAL; in sctp_setsockopt_peer_addr_params()
2666 error = sctp_apply_peer_addr_params(params, trans, asoc, sp, in sctp_setsockopt_peer_addr_params()
2677 list_for_each_entry(trans, &asoc->peer.transport_addr_list, in sctp_setsockopt_peer_addr_params()
2679 sctp_apply_peer_addr_params(params, trans, asoc, sp, in sctp_setsockopt_peer_addr_params()
2703 if (params->sack_delay) { in sctp_apply_asoc_delayed_ack()
2704 asoc->sackdelay = msecs_to_jiffies(params->sack_delay); in sctp_apply_asoc_delayed_ack()
2705 asoc->param_flags = in sctp_apply_asoc_delayed_ack()
2706 sctp_spp_sackdelay_enable(asoc->param_flags); in sctp_apply_asoc_delayed_ack()
2708 if (params->sack_freq == 1) { in sctp_apply_asoc_delayed_ack()
2709 asoc->param_flags = in sctp_apply_asoc_delayed_ack()
2710 sctp_spp_sackdelay_disable(asoc->param_flags); in sctp_apply_asoc_delayed_ack()
2711 } else if (params->sack_freq > 1) { in sctp_apply_asoc_delayed_ack()
2712 asoc->sackfreq = params->sack_freq; in sctp_apply_asoc_delayed_ack()
2713 asoc->param_flags = in sctp_apply_asoc_delayed_ack()
2714 sctp_spp_sackdelay_enable(asoc->param_flags); in sctp_apply_asoc_delayed_ack()
2717 list_for_each_entry(trans, &asoc->peer.transport_addr_list, in sctp_apply_asoc_delayed_ack()
2719 if (params->sack_delay) { in sctp_apply_asoc_delayed_ack()
2720 trans->sackdelay = msecs_to_jiffies(params->sack_delay); in sctp_apply_asoc_delayed_ack()
2721 trans->param_flags = in sctp_apply_asoc_delayed_ack()
2722 sctp_spp_sackdelay_enable(trans->param_flags); in sctp_apply_asoc_delayed_ack()
2724 if (params->sack_freq == 1) { in sctp_apply_asoc_delayed_ack()
2725 trans->param_flags = in sctp_apply_asoc_delayed_ack()
2726 sctp_spp_sackdelay_disable(trans->param_flags); in sctp_apply_asoc_delayed_ack()
2727 } else if (params->sack_freq > 1) { in sctp_apply_asoc_delayed_ack()
2728 trans->sackfreq = params->sack_freq; in sctp_apply_asoc_delayed_ack()
2729 trans->param_flags = in sctp_apply_asoc_delayed_ack()
2730 sctp_spp_sackdelay_enable(trans->param_flags); in sctp_apply_asoc_delayed_ack()
2743 * values. If the assoc_id field is non-zero, then the set or get
2755 * sack_assoc_id - This parameter, indicates which association the user
2760 * sack_delay - This parameter contains the number of milliseconds that
2765 * sack_freq - This parameter contains the number of packets that must
2773 struct sctp_sock *sp = sctp_sk(sk); in __sctp_setsockopt_delayed_ack() local
2777 if (params->sack_delay > 500) in __sctp_setsockopt_delayed_ack()
2778 return -EINVAL; in __sctp_setsockopt_delayed_ack()
2784 asoc = sctp_id2assoc(sk, params->sack_assoc_id); in __sctp_setsockopt_delayed_ack()
2785 if (!asoc && params->sack_assoc_id > SCTP_ALL_ASSOC && in __sctp_setsockopt_delayed_ack()
2787 return -EINVAL; in __sctp_setsockopt_delayed_ack()
2796 params->sack_assoc_id = SCTP_FUTURE_ASSOC; in __sctp_setsockopt_delayed_ack()
2798 if (params->sack_assoc_id == SCTP_FUTURE_ASSOC || in __sctp_setsockopt_delayed_ack()
2799 params->sack_assoc_id == SCTP_ALL_ASSOC) { in __sctp_setsockopt_delayed_ack()
2800 if (params->sack_delay) { in __sctp_setsockopt_delayed_ack()
2801 sp->sackdelay = params->sack_delay; in __sctp_setsockopt_delayed_ack()
2802 sp->param_flags = in __sctp_setsockopt_delayed_ack()
2803 sctp_spp_sackdelay_enable(sp->param_flags); in __sctp_setsockopt_delayed_ack()
2805 if (params->sack_freq == 1) { in __sctp_setsockopt_delayed_ack()
2806 sp->param_flags = in __sctp_setsockopt_delayed_ack()
2807 sctp_spp_sackdelay_disable(sp->param_flags); in __sctp_setsockopt_delayed_ack()
2808 } else if (params->sack_freq > 1) { in __sctp_setsockopt_delayed_ack()
2809 sp->sackfreq = params->sack_freq; in __sctp_setsockopt_delayed_ack()
2810 sp->param_flags = in __sctp_setsockopt_delayed_ack()
2811 sctp_spp_sackdelay_enable(sp->param_flags); in __sctp_setsockopt_delayed_ack()
2815 if (params->sack_assoc_id == SCTP_CURRENT_ASSOC || in __sctp_setsockopt_delayed_ack()
2816 params->sack_assoc_id == SCTP_ALL_ASSOC) in __sctp_setsockopt_delayed_ack()
2817 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in __sctp_setsockopt_delayed_ack()
2835 current->comm, task_pid_nr(current)); in sctp_setsockopt_delayed_ack()
2837 p.sack_assoc_id = v->assoc_id; in sctp_setsockopt_delayed_ack()
2838 p.sack_delay = v->assoc_value; in sctp_setsockopt_delayed_ack()
2839 p.sack_freq = v->assoc_value ? 0 : 1; in sctp_setsockopt_delayed_ack()
2844 return -EINVAL; in sctp_setsockopt_delayed_ack()
2845 if (params->sack_delay == 0 && params->sack_freq == 0) in sctp_setsockopt_delayed_ack()
2857 * socket (for UDP-style sockets only future associations are effected
2858 * by the change). With TCP-style sockets, this option is inherited by
2864 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_initmsg() local
2867 return -EINVAL; in sctp_setsockopt_initmsg()
2869 if (sinit->sinit_num_ostreams) in sctp_setsockopt_initmsg()
2870 sp->initmsg.sinit_num_ostreams = sinit->sinit_num_ostreams; in sctp_setsockopt_initmsg()
2871 if (sinit->sinit_max_instreams) in sctp_setsockopt_initmsg()
2872 sp->initmsg.sinit_max_instreams = sinit->sinit_max_instreams; in sctp_setsockopt_initmsg()
2873 if (sinit->sinit_max_attempts) in sctp_setsockopt_initmsg()
2874 sp->initmsg.sinit_max_attempts = sinit->sinit_max_attempts; in sctp_setsockopt_initmsg()
2875 if (sinit->sinit_max_init_timeo) in sctp_setsockopt_initmsg()
2876 sp->initmsg.sinit_max_init_timeo = sinit->sinit_max_init_timeo; in sctp_setsockopt_initmsg()
2899 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_default_send_param() local
2903 return -EINVAL; in sctp_setsockopt_default_send_param()
2904 if (info->sinfo_flags & in sctp_setsockopt_default_send_param()
2907 return -EINVAL; in sctp_setsockopt_default_send_param()
2909 asoc = sctp_id2assoc(sk, info->sinfo_assoc_id); in sctp_setsockopt_default_send_param()
2910 if (!asoc && info->sinfo_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_default_send_param()
2912 return -EINVAL; in sctp_setsockopt_default_send_param()
2915 asoc->default_stream = info->sinfo_stream; in sctp_setsockopt_default_send_param()
2916 asoc->default_flags = info->sinfo_flags; in sctp_setsockopt_default_send_param()
2917 asoc->default_ppid = info->sinfo_ppid; in sctp_setsockopt_default_send_param()
2918 asoc->default_context = info->sinfo_context; in sctp_setsockopt_default_send_param()
2919 asoc->default_timetolive = info->sinfo_timetolive; in sctp_setsockopt_default_send_param()
2925 info->sinfo_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_default_send_param()
2927 if (info->sinfo_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_default_send_param()
2928 info->sinfo_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_send_param()
2929 sp->default_stream = info->sinfo_stream; in sctp_setsockopt_default_send_param()
2930 sp->default_flags = info->sinfo_flags; in sctp_setsockopt_default_send_param()
2931 sp->default_ppid = info->sinfo_ppid; in sctp_setsockopt_default_send_param()
2932 sp->default_context = info->sinfo_context; in sctp_setsockopt_default_send_param()
2933 sp->default_timetolive = info->sinfo_timetolive; in sctp_setsockopt_default_send_param()
2936 if (info->sinfo_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_default_send_param()
2937 info->sinfo_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_send_param()
2938 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_default_send_param()
2939 asoc->default_stream = info->sinfo_stream; in sctp_setsockopt_default_send_param()
2940 asoc->default_flags = info->sinfo_flags; in sctp_setsockopt_default_send_param()
2941 asoc->default_ppid = info->sinfo_ppid; in sctp_setsockopt_default_send_param()
2942 asoc->default_context = info->sinfo_context; in sctp_setsockopt_default_send_param()
2943 asoc->default_timetolive = info->sinfo_timetolive; in sctp_setsockopt_default_send_param()
2957 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_default_sndinfo() local
2961 return -EINVAL; in sctp_setsockopt_default_sndinfo()
2962 if (info->snd_flags & in sctp_setsockopt_default_sndinfo()
2965 return -EINVAL; in sctp_setsockopt_default_sndinfo()
2967 asoc = sctp_id2assoc(sk, info->snd_assoc_id); in sctp_setsockopt_default_sndinfo()
2968 if (!asoc && info->snd_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_default_sndinfo()
2970 return -EINVAL; in sctp_setsockopt_default_sndinfo()
2973 asoc->default_stream = info->snd_sid; in sctp_setsockopt_default_sndinfo()
2974 asoc->default_flags = info->snd_flags; in sctp_setsockopt_default_sndinfo()
2975 asoc->default_ppid = info->snd_ppid; in sctp_setsockopt_default_sndinfo()
2976 asoc->default_context = info->snd_context; in sctp_setsockopt_default_sndinfo()
2982 info->snd_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_default_sndinfo()
2984 if (info->snd_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_default_sndinfo()
2985 info->snd_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_sndinfo()
2986 sp->default_stream = info->snd_sid; in sctp_setsockopt_default_sndinfo()
2987 sp->default_flags = info->snd_flags; in sctp_setsockopt_default_sndinfo()
2988 sp->default_ppid = info->snd_ppid; in sctp_setsockopt_default_sndinfo()
2989 sp->default_context = info->snd_context; in sctp_setsockopt_default_sndinfo()
2992 if (info->snd_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_default_sndinfo()
2993 info->snd_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_sndinfo()
2994 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_default_sndinfo()
2995 asoc->default_stream = info->snd_sid; in sctp_setsockopt_default_sndinfo()
2996 asoc->default_flags = info->snd_flags; in sctp_setsockopt_default_sndinfo()
2997 asoc->default_ppid = info->snd_ppid; in sctp_setsockopt_default_sndinfo()
2998 asoc->default_context = info->snd_context; in sctp_setsockopt_default_sndinfo()
3019 return -EINVAL; in sctp_setsockopt_primary_addr()
3022 af = sctp_get_af_specific(prim->ssp_addr.ss_family); in sctp_setsockopt_primary_addr()
3024 return -EINVAL; in sctp_setsockopt_primary_addr()
3027 (struct sockaddr *)&prim->ssp_addr, in sctp_setsockopt_primary_addr()
3028 af->sockaddr_len); in sctp_setsockopt_primary_addr()
3032 trans = sctp_addr_id2transport(sk, &prim->ssp_addr, prim->ssp_assoc_id); in sctp_setsockopt_primary_addr()
3034 return -EINVAL; in sctp_setsockopt_primary_addr()
3036 sctp_assoc_set_primary(trans->asoc, trans); in sctp_setsockopt_primary_addr()
3044 * Turn on/off any Nagle-like algorithm. This means that packets are
3053 return -EINVAL; in sctp_setsockopt_nodelay()
3054 sctp_sk(sk)->nodelay = (*val == 0) ? 0 : 1; in sctp_setsockopt_nodelay()
3076 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_rtoinfo() local
3079 return -EINVAL; in sctp_setsockopt_rtoinfo()
3081 asoc = sctp_id2assoc(sk, rtoinfo->srto_assoc_id); in sctp_setsockopt_rtoinfo()
3084 if (!asoc && rtoinfo->srto_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_rtoinfo()
3086 return -EINVAL; in sctp_setsockopt_rtoinfo()
3088 rto_max = rtoinfo->srto_max; in sctp_setsockopt_rtoinfo()
3089 rto_min = rtoinfo->srto_min; in sctp_setsockopt_rtoinfo()
3094 rto_max = asoc ? asoc->rto_max : sp->rtoinfo.srto_max; in sctp_setsockopt_rtoinfo()
3099 rto_min = asoc ? asoc->rto_min : sp->rtoinfo.srto_min; in sctp_setsockopt_rtoinfo()
3102 return -EINVAL; in sctp_setsockopt_rtoinfo()
3105 if (rtoinfo->srto_initial != 0) in sctp_setsockopt_rtoinfo()
3106 asoc->rto_initial = in sctp_setsockopt_rtoinfo()
3107 msecs_to_jiffies(rtoinfo->srto_initial); in sctp_setsockopt_rtoinfo()
3108 asoc->rto_max = rto_max; in sctp_setsockopt_rtoinfo()
3109 asoc->rto_min = rto_min; in sctp_setsockopt_rtoinfo()
3111 /* If there is no association or the association-id = 0 in sctp_setsockopt_rtoinfo()
3114 if (rtoinfo->srto_initial != 0) in sctp_setsockopt_rtoinfo()
3115 sp->rtoinfo.srto_initial = rtoinfo->srto_initial; in sctp_setsockopt_rtoinfo()
3116 sp->rtoinfo.srto_max = rto_max; in sctp_setsockopt_rtoinfo()
3117 sp->rtoinfo.srto_min = rto_min; in sctp_setsockopt_rtoinfo()
3142 return -EINVAL; in sctp_setsockopt_associnfo()
3144 asoc = sctp_id2assoc(sk, assocparams->sasoc_assoc_id); in sctp_setsockopt_associnfo()
3146 if (!asoc && assocparams->sasoc_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_associnfo()
3148 return -EINVAL; in sctp_setsockopt_associnfo()
3152 if (assocparams->sasoc_asocmaxrxt != 0) { in sctp_setsockopt_associnfo()
3157 list_for_each_entry(peer_addr, &asoc->peer.transport_addr_list, in sctp_setsockopt_associnfo()
3159 path_sum += peer_addr->pathmaxrxt; in sctp_setsockopt_associnfo()
3169 assocparams->sasoc_asocmaxrxt > path_sum) in sctp_setsockopt_associnfo()
3170 return -EINVAL; in sctp_setsockopt_associnfo()
3172 asoc->max_retrans = assocparams->sasoc_asocmaxrxt; in sctp_setsockopt_associnfo()
3175 if (assocparams->sasoc_cookie_life != 0) in sctp_setsockopt_associnfo()
3176 asoc->cookie_life = in sctp_setsockopt_associnfo()
3177 ms_to_ktime(assocparams->sasoc_cookie_life); in sctp_setsockopt_associnfo()
3180 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_associnfo() local
3182 if (assocparams->sasoc_asocmaxrxt != 0) in sctp_setsockopt_associnfo()
3183 sp->assocparams.sasoc_asocmaxrxt = in sctp_setsockopt_associnfo()
3184 assocparams->sasoc_asocmaxrxt; in sctp_setsockopt_associnfo()
3185 if (assocparams->sasoc_cookie_life != 0) in sctp_setsockopt_associnfo()
3186 sp->assocparams.sasoc_cookie_life = in sctp_setsockopt_associnfo()
3187 assocparams->sasoc_cookie_life; in sctp_setsockopt_associnfo()
3205 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_mappedv4() local
3208 return -EINVAL; in sctp_setsockopt_mappedv4()
3210 sp->v4mapped = 1; in sctp_setsockopt_mappedv4()
3212 sp->v4mapped = 0; in sctp_setsockopt_mappedv4()
3237 * assoc_id: This parameter is ignored for one-to-one style sockets.
3238 * For one-to-many style sockets this parameter indicates which
3248 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_maxseg() local
3258 current->comm, task_pid_nr(current)); in sctp_setsockopt_maxseg()
3262 assoc_id = params->assoc_id; in sctp_setsockopt_maxseg()
3263 val = params->assoc_value; in sctp_setsockopt_maxseg()
3265 return -EINVAL; in sctp_setsockopt_maxseg()
3271 return -EINVAL; in sctp_setsockopt_maxseg()
3275 __u16 datasize = asoc ? sctp_datachk_len(&asoc->stream) : in sctp_setsockopt_maxseg()
3278 min_len = sctp_min_frag_point(sp, datasize); in sctp_setsockopt_maxseg()
3279 max_len = SCTP_MAX_CHUNK_LEN - datasize; in sctp_setsockopt_maxseg()
3282 return -EINVAL; in sctp_setsockopt_maxseg()
3286 asoc->user_frag = val; in sctp_setsockopt_maxseg()
3289 sp->user_frag = val; in sctp_setsockopt_maxseg()
3308 struct sctp_sock *sp; in sctp_setsockopt_peer_primary_addr() local
3314 sp = sctp_sk(sk); in sctp_setsockopt_peer_primary_addr()
3316 if (!sp->ep->asconf_enable) in sctp_setsockopt_peer_primary_addr()
3317 return -EPERM; in sctp_setsockopt_peer_primary_addr()
3320 return -EINVAL; in sctp_setsockopt_peer_primary_addr()
3322 asoc = sctp_id2assoc(sk, prim->sspp_assoc_id); in sctp_setsockopt_peer_primary_addr()
3324 return -EINVAL; in sctp_setsockopt_peer_primary_addr()
3326 if (!asoc->peer.asconf_capable) in sctp_setsockopt_peer_primary_addr()
3327 return -EPERM; in sctp_setsockopt_peer_primary_addr()
3329 if (asoc->peer.addip_disabled_mask & SCTP_PARAM_SET_PRIMARY) in sctp_setsockopt_peer_primary_addr()
3330 return -EPERM; in sctp_setsockopt_peer_primary_addr()
3333 return -ENOTCONN; in sctp_setsockopt_peer_primary_addr()
3335 af = sctp_get_af_specific(prim->sspp_addr.ss_family); in sctp_setsockopt_peer_primary_addr()
3337 return -EINVAL; in sctp_setsockopt_peer_primary_addr()
3339 if (!af->addr_valid((union sctp_addr *)&prim->sspp_addr, sp, NULL)) in sctp_setsockopt_peer_primary_addr()
3340 return -EADDRNOTAVAIL; in sctp_setsockopt_peer_primary_addr()
3342 if (!sctp_assoc_lookup_laddr(asoc, (union sctp_addr *)&prim->sspp_addr)) in sctp_setsockopt_peer_primary_addr()
3343 return -EADDRNOTAVAIL; in sctp_setsockopt_peer_primary_addr()
3347 (struct sockaddr *)&prim->sspp_addr, in sctp_setsockopt_peer_primary_addr()
3348 af->sockaddr_len); in sctp_setsockopt_peer_primary_addr()
3354 (union sctp_addr *)&prim->sspp_addr); in sctp_setsockopt_peer_primary_addr()
3356 return -ENOMEM; in sctp_setsockopt_peer_primary_addr()
3370 return -EINVAL; in sctp_setsockopt_adaptation_layer()
3372 sctp_sk(sk)->adaptation_ind = adapt->ssb_adaptation_ind; in sctp_setsockopt_adaptation_layer()
3385 * one-2-many model for an application to keep some reference to an
3395 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_context() local
3399 return -EINVAL; in sctp_setsockopt_context()
3401 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_context()
3402 if (!asoc && params->assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_context()
3404 return -EINVAL; in sctp_setsockopt_context()
3407 asoc->default_rcv_context = params->assoc_value; in sctp_setsockopt_context()
3413 params->assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_context()
3415 if (params->assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_context()
3416 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_context()
3417 sp->default_rcv_context = params->assoc_value; in sctp_setsockopt_context()
3419 if (params->assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_context()
3420 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_context()
3421 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in sctp_setsockopt_context()
3422 asoc->default_rcv_context = params->assoc_value; in sctp_setsockopt_context()
3442 * This option takes a boolean value. A non-zero value indicates that
3455 return -EINVAL; in sctp_setsockopt_fragment_interleave()
3457 sctp_sk(sk)->frag_interleave = !!*val; in sctp_setsockopt_fragment_interleave()
3459 if (!sctp_sk(sk)->frag_interleave) in sctp_setsockopt_fragment_interleave()
3460 sctp_sk(sk)->ep->intl_enable = 0; in sctp_setsockopt_fragment_interleave()
3486 return -EINVAL; in sctp_setsockopt_partial_delivery_point()
3491 if (*val > (sk->sk_rcvbuf >> 1)) in sctp_setsockopt_partial_delivery_point()
3492 return -EINVAL; in sctp_setsockopt_partial_delivery_point()
3494 sctp_sk(sk)->pd_point = *val; in sctp_setsockopt_partial_delivery_point()
3514 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_maxburst() local
3524 current->comm, task_pid_nr(current)); in sctp_setsockopt_maxburst()
3528 assoc_id = params->assoc_id; in sctp_setsockopt_maxburst()
3529 assoc_value = params->assoc_value; in sctp_setsockopt_maxburst()
3531 return -EINVAL; in sctp_setsockopt_maxburst()
3535 return -EINVAL; in sctp_setsockopt_maxburst()
3538 asoc->max_burst = assoc_value; in sctp_setsockopt_maxburst()
3547 sp->max_burst = assoc_value; in sctp_setsockopt_maxburst()
3550 list_for_each_entry(asoc, &sp->ep->asocs, asocs) in sctp_setsockopt_maxburst()
3551 asoc->max_burst = assoc_value; in sctp_setsockopt_maxburst()
3567 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_auth_chunk()
3569 if (!ep->auth_enable) in sctp_setsockopt_auth_chunk()
3570 return -EACCES; in sctp_setsockopt_auth_chunk()
3573 return -EINVAL; in sctp_setsockopt_auth_chunk()
3575 switch (val->sauth_chunk) { in sctp_setsockopt_auth_chunk()
3580 return -EINVAL; in sctp_setsockopt_auth_chunk()
3584 return sctp_auth_ep_add_chunkid(ep, val->sauth_chunk); in sctp_setsockopt_auth_chunk()
3597 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_hmac_ident()
3600 if (!ep->auth_enable) in sctp_setsockopt_hmac_ident()
3601 return -EACCES; in sctp_setsockopt_hmac_ident()
3604 return -EINVAL; in sctp_setsockopt_hmac_ident()
3608 idents = hmacs->shmac_num_idents; in sctp_setsockopt_hmac_ident()
3610 (idents * sizeof(u16)) > (optlen - sizeof(struct sctp_hmacalgo))) in sctp_setsockopt_hmac_ident()
3611 return -EINVAL; in sctp_setsockopt_hmac_ident()
3626 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_auth_key()
3628 int ret = -EINVAL; in sctp_setsockopt_auth_key()
3631 return -EINVAL; in sctp_setsockopt_auth_key()
3632 /* authkey->sca_keylength is u16, so optlen can't be bigger than in sctp_setsockopt_auth_key()
3637 if (authkey->sca_keylength > optlen - sizeof(*authkey)) in sctp_setsockopt_auth_key()
3640 asoc = sctp_id2assoc(sk, authkey->sca_assoc_id); in sctp_setsockopt_auth_key()
3641 if (!asoc && authkey->sca_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_auth_key()
3651 authkey->sca_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_auth_key()
3653 if (authkey->sca_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_auth_key()
3654 authkey->sca_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_auth_key()
3662 if (authkey->sca_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_auth_key()
3663 authkey->sca_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_auth_key()
3664 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_auth_key()
3687 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_active_key()
3692 return -EINVAL; in sctp_setsockopt_active_key()
3694 asoc = sctp_id2assoc(sk, val->scact_assoc_id); in sctp_setsockopt_active_key()
3695 if (!asoc && val->scact_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_active_key()
3697 return -EINVAL; in sctp_setsockopt_active_key()
3700 return sctp_auth_set_active_key(ep, asoc, val->scact_keynumber); in sctp_setsockopt_active_key()
3703 val->scact_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_active_key()
3705 if (val->scact_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_active_key()
3706 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_active_key()
3707 ret = sctp_auth_set_active_key(ep, asoc, val->scact_keynumber); in sctp_setsockopt_active_key()
3712 if (val->scact_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_active_key()
3713 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_active_key()
3714 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_active_key()
3716 val->scact_keynumber); in sctp_setsockopt_active_key()
3735 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_del_key()
3740 return -EINVAL; in sctp_setsockopt_del_key()
3742 asoc = sctp_id2assoc(sk, val->scact_assoc_id); in sctp_setsockopt_del_key()
3743 if (!asoc && val->scact_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_del_key()
3745 return -EINVAL; in sctp_setsockopt_del_key()
3748 return sctp_auth_del_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_del_key()
3751 val->scact_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_del_key()
3753 if (val->scact_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_del_key()
3754 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_del_key()
3755 ret = sctp_auth_del_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_del_key()
3760 if (val->scact_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_del_key()
3761 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_del_key()
3762 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_del_key()
3764 val->scact_keynumber); in sctp_setsockopt_del_key()
3783 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_deactivate_key()
3788 return -EINVAL; in sctp_setsockopt_deactivate_key()
3790 asoc = sctp_id2assoc(sk, val->scact_assoc_id); in sctp_setsockopt_deactivate_key()
3791 if (!asoc && val->scact_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_deactivate_key()
3793 return -EINVAL; in sctp_setsockopt_deactivate_key()
3796 return sctp_auth_deact_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_deactivate_key()
3799 val->scact_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_deactivate_key()
3801 if (val->scact_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_deactivate_key()
3802 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_deactivate_key()
3803 ret = sctp_auth_deact_key_id(ep, asoc, val->scact_keynumber); in sctp_setsockopt_deactivate_key()
3808 if (val->scact_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_deactivate_key()
3809 val->scact_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_deactivate_key()
3810 list_for_each_entry(asoc, &ep->asocs, asocs) { in sctp_setsockopt_deactivate_key()
3812 val->scact_keynumber); in sctp_setsockopt_deactivate_key()
3831 * This option expects an integer boolean flag, where a non-zero value turns on
3839 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_auto_asconf() local
3842 return -EINVAL; in sctp_setsockopt_auto_asconf()
3844 return -EINVAL; in sctp_setsockopt_auto_asconf()
3845 if ((*val && sp->do_auto_asconf) || (!*val && !sp->do_auto_asconf)) in sctp_setsockopt_auto_asconf()
3848 spin_lock_bh(&sock_net(sk)->sctp.addr_wq_lock); in sctp_setsockopt_auto_asconf()
3849 if (*val == 0 && sp->do_auto_asconf) { in sctp_setsockopt_auto_asconf()
3850 list_del(&sp->auto_asconf_list); in sctp_setsockopt_auto_asconf()
3851 sp->do_auto_asconf = 0; in sctp_setsockopt_auto_asconf()
3852 } else if (*val && !sp->do_auto_asconf) { in sctp_setsockopt_auto_asconf()
3853 list_add_tail(&sp->auto_asconf_list, in sctp_setsockopt_auto_asconf()
3854 &sock_net(sk)->sctp.auto_asconf_splist); in sctp_setsockopt_auto_asconf()
3855 sp->do_auto_asconf = 1; in sctp_setsockopt_auto_asconf()
3857 spin_unlock_bh(&sock_net(sk)->sctp.addr_wq_lock); in sctp_setsockopt_auto_asconf()
3866 * http://www.ietf.org/id/draft-nishida-tsvwg-sctp-failover-05.txt
3878 return -EINVAL; in sctp_setsockopt_paddr_thresholds()
3880 if (v2 && val->spt_pathpfthld > val->spt_pathcpthld) in sctp_setsockopt_paddr_thresholds()
3881 return -EINVAL; in sctp_setsockopt_paddr_thresholds()
3883 if (!sctp_is_any(sk, (const union sctp_addr *)&val->spt_address)) { in sctp_setsockopt_paddr_thresholds()
3884 trans = sctp_addr_id2transport(sk, &val->spt_address, in sctp_setsockopt_paddr_thresholds()
3885 val->spt_assoc_id); in sctp_setsockopt_paddr_thresholds()
3887 return -ENOENT; in sctp_setsockopt_paddr_thresholds()
3889 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3890 trans->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3892 trans->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3893 trans->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3898 asoc = sctp_id2assoc(sk, val->spt_assoc_id); in sctp_setsockopt_paddr_thresholds()
3899 if (!asoc && val->spt_assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_paddr_thresholds()
3901 return -EINVAL; in sctp_setsockopt_paddr_thresholds()
3904 list_for_each_entry(trans, &asoc->peer.transport_addr_list, in sctp_setsockopt_paddr_thresholds()
3906 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3907 trans->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3909 trans->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3910 trans->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3913 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3914 asoc->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3916 asoc->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3917 asoc->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3919 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_paddr_thresholds() local
3921 if (val->spt_pathmaxrxt) in sctp_setsockopt_paddr_thresholds()
3922 sp->pathmaxrxt = val->spt_pathmaxrxt; in sctp_setsockopt_paddr_thresholds()
3924 sp->ps_retrans = val->spt_pathcpthld; in sctp_setsockopt_paddr_thresholds()
3925 sp->pf_retrans = val->spt_pathpfthld; in sctp_setsockopt_paddr_thresholds()
3935 return -EINVAL; in sctp_setsockopt_recvrcvinfo()
3937 sctp_sk(sk)->recvrcvinfo = (*val == 0) ? 0 : 1; in sctp_setsockopt_recvrcvinfo()
3946 return -EINVAL; in sctp_setsockopt_recvnxtinfo()
3948 sctp_sk(sk)->recvnxtinfo = (*val == 0) ? 0 : 1; in sctp_setsockopt_recvnxtinfo()
3960 return -EINVAL; in sctp_setsockopt_pr_supported()
3962 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_pr_supported()
3963 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_pr_supported()
3965 return -EINVAL; in sctp_setsockopt_pr_supported()
3967 sctp_sk(sk)->ep->prsctp_enable = !!params->assoc_value; in sctp_setsockopt_pr_supported()
3976 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_default_prinfo() local
3978 int retval = -EINVAL; in sctp_setsockopt_default_prinfo()
3983 if (info->pr_policy & ~SCTP_PR_SCTP_MASK) in sctp_setsockopt_default_prinfo()
3986 if (info->pr_policy == SCTP_PR_SCTP_NONE) in sctp_setsockopt_default_prinfo()
3987 info->pr_value = 0; in sctp_setsockopt_default_prinfo()
3989 asoc = sctp_id2assoc(sk, info->pr_assoc_id); in sctp_setsockopt_default_prinfo()
3990 if (!asoc && info->pr_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_default_prinfo()
3997 SCTP_PR_SET_POLICY(asoc->default_flags, info->pr_policy); in sctp_setsockopt_default_prinfo()
3998 asoc->default_timetolive = info->pr_value; in sctp_setsockopt_default_prinfo()
4003 info->pr_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_default_prinfo()
4005 if (info->pr_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_default_prinfo()
4006 info->pr_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_prinfo()
4007 SCTP_PR_SET_POLICY(sp->default_flags, info->pr_policy); in sctp_setsockopt_default_prinfo()
4008 sp->default_timetolive = info->pr_value; in sctp_setsockopt_default_prinfo()
4011 if (info->pr_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_default_prinfo()
4012 info->pr_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_default_prinfo()
4013 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_default_prinfo()
4014 SCTP_PR_SET_POLICY(asoc->default_flags, in sctp_setsockopt_default_prinfo()
4015 info->pr_policy); in sctp_setsockopt_default_prinfo()
4016 asoc->default_timetolive = info->pr_value; in sctp_setsockopt_default_prinfo()
4029 int retval = -EINVAL; in sctp_setsockopt_reconfig_supported()
4034 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_reconfig_supported()
4035 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_reconfig_supported()
4039 sctp_sk(sk)->ep->reconf_enable = !!params->assoc_value; in sctp_setsockopt_reconfig_supported()
4051 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_setsockopt_enable_strreset()
4053 int retval = -EINVAL; in sctp_setsockopt_enable_strreset()
4058 if (params->assoc_value & (~SCTP_ENABLE_STRRESET_MASK)) in sctp_setsockopt_enable_strreset()
4061 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_enable_strreset()
4062 if (!asoc && params->assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_enable_strreset()
4069 asoc->strreset_enable = params->assoc_value; in sctp_setsockopt_enable_strreset()
4074 params->assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_enable_strreset()
4076 if (params->assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_enable_strreset()
4077 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_enable_strreset()
4078 ep->strreset_enable = params->assoc_value; in sctp_setsockopt_enable_strreset()
4080 if (params->assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_enable_strreset()
4081 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_enable_strreset()
4082 list_for_each_entry(asoc, &ep->asocs, asocs) in sctp_setsockopt_enable_strreset()
4083 asoc->strreset_enable = params->assoc_value; in sctp_setsockopt_enable_strreset()
4096 return -EINVAL; in sctp_setsockopt_reset_streams()
4101 if (params->srs_number_streams * sizeof(__u16) > in sctp_setsockopt_reset_streams()
4102 optlen - sizeof(*params)) in sctp_setsockopt_reset_streams()
4103 return -EINVAL; in sctp_setsockopt_reset_streams()
4105 asoc = sctp_id2assoc(sk, params->srs_assoc_id); in sctp_setsockopt_reset_streams()
4107 return -EINVAL; in sctp_setsockopt_reset_streams()
4118 return -EINVAL; in sctp_setsockopt_reset_assoc()
4122 return -EINVAL; in sctp_setsockopt_reset_assoc()
4134 return -EINVAL; in sctp_setsockopt_add_streams()
4136 asoc = sctp_id2assoc(sk, params->sas_assoc_id); in sctp_setsockopt_add_streams()
4138 return -EINVAL; in sctp_setsockopt_add_streams()
4147 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_scheduler() local
4152 return -EINVAL; in sctp_setsockopt_scheduler()
4154 if (params->assoc_value > SCTP_SS_MAX) in sctp_setsockopt_scheduler()
4155 return -EINVAL; in sctp_setsockopt_scheduler()
4157 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_scheduler()
4158 if (!asoc && params->assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_scheduler()
4160 return -EINVAL; in sctp_setsockopt_scheduler()
4163 return sctp_sched_set_sched(asoc, params->assoc_value); in sctp_setsockopt_scheduler()
4166 params->assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_scheduler()
4168 if (params->assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_scheduler()
4169 params->assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_scheduler()
4170 sp->default_ss = params->assoc_value; in sctp_setsockopt_scheduler()
4172 if (params->assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_scheduler()
4173 params->assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_scheduler()
4174 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_scheduler()
4176 params->assoc_value); in sctp_setsockopt_scheduler()
4191 int retval = -EINVAL; in sctp_setsockopt_scheduler_value()
4196 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_scheduler_value()
4197 if (!asoc && params->assoc_id != SCTP_CURRENT_ASSOC && in sctp_setsockopt_scheduler_value()
4202 retval = sctp_sched_set_value(asoc, params->stream_id, in sctp_setsockopt_scheduler_value()
4203 params->stream_value, GFP_KERNEL); in sctp_setsockopt_scheduler_value()
4209 list_for_each_entry(asoc, &sctp_sk(sk)->ep->asocs, asocs) { in sctp_setsockopt_scheduler_value()
4210 int ret = sctp_sched_set_value(asoc, params->stream_id, in sctp_setsockopt_scheduler_value()
4211 params->stream_value, in sctp_setsockopt_scheduler_value()
4225 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_interleaving_supported() local
4229 return -EINVAL; in sctp_setsockopt_interleaving_supported()
4231 asoc = sctp_id2assoc(sk, p->assoc_id); in sctp_setsockopt_interleaving_supported()
4232 if (!asoc && p->assoc_id != SCTP_FUTURE_ASSOC && sctp_style(sk, UDP)) in sctp_setsockopt_interleaving_supported()
4233 return -EINVAL; in sctp_setsockopt_interleaving_supported()
4235 if (!sock_net(sk)->sctp.intl_enable || !sp->frag_interleave) { in sctp_setsockopt_interleaving_supported()
4236 return -EPERM; in sctp_setsockopt_interleaving_supported()
4239 sp->ep->intl_enable = !!p->assoc_value; in sctp_setsockopt_interleaving_supported()
4247 return -EOPNOTSUPP; in sctp_setsockopt_reuse_port()
4249 if (sctp_sk(sk)->ep->base.bind_addr.port) in sctp_setsockopt_reuse_port()
4250 return -EFAULT; in sctp_setsockopt_reuse_port()
4253 return -EINVAL; in sctp_setsockopt_reuse_port()
4255 sctp_sk(sk)->reuse = !!*val; in sctp_setsockopt_reuse_port()
4265 sctp_ulpevent_type_set(&asoc->subscribe, param->se_type, param->se_on); in sctp_assoc_ulpevent_type_set()
4267 if (param->se_type == SCTP_SENDER_DRY_EVENT && param->se_on) { in sctp_assoc_ulpevent_type_set()
4268 if (sctp_outq_is_empty(&asoc->outqueue)) { in sctp_assoc_ulpevent_type_set()
4272 return -ENOMEM; in sctp_assoc_ulpevent_type_set()
4274 asoc->stream.si->enqueue_event(&asoc->ulpq, event); in sctp_assoc_ulpevent_type_set()
4284 struct sctp_sock *sp = sctp_sk(sk); in sctp_setsockopt_event() local
4289 return -EINVAL; in sctp_setsockopt_event()
4291 if (param->se_type < SCTP_SN_TYPE_BASE || in sctp_setsockopt_event()
4292 param->se_type > SCTP_SN_TYPE_MAX) in sctp_setsockopt_event()
4293 return -EINVAL; in sctp_setsockopt_event()
4295 asoc = sctp_id2assoc(sk, param->se_assoc_id); in sctp_setsockopt_event()
4296 if (!asoc && param->se_assoc_id > SCTP_ALL_ASSOC && in sctp_setsockopt_event()
4298 return -EINVAL; in sctp_setsockopt_event()
4304 param->se_assoc_id = SCTP_FUTURE_ASSOC; in sctp_setsockopt_event()
4306 if (param->se_assoc_id == SCTP_FUTURE_ASSOC || in sctp_setsockopt_event()
4307 param->se_assoc_id == SCTP_ALL_ASSOC) in sctp_setsockopt_event()
4308 sctp_ulpevent_type_set(&sp->subscribe, in sctp_setsockopt_event()
4309 param->se_type, param->se_on); in sctp_setsockopt_event()
4311 if (param->se_assoc_id == SCTP_CURRENT_ASSOC || in sctp_setsockopt_event()
4312 param->se_assoc_id == SCTP_ALL_ASSOC) { in sctp_setsockopt_event()
4313 list_for_each_entry(asoc, &sp->ep->asocs, asocs) { in sctp_setsockopt_event()
4330 int retval = -EINVAL; in sctp_setsockopt_asconf_supported()
4335 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_asconf_supported()
4336 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_asconf_supported()
4340 ep = sctp_sk(sk)->ep; in sctp_setsockopt_asconf_supported()
4341 ep->asconf_enable = !!params->assoc_value; in sctp_setsockopt_asconf_supported()
4343 if (ep->asconf_enable && ep->auth_enable) { in sctp_setsockopt_asconf_supported()
4360 int retval = -EINVAL; in sctp_setsockopt_auth_supported()
4365 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_auth_supported()
4366 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_auth_supported()
4370 ep = sctp_sk(sk)->ep; in sctp_setsockopt_auth_supported()
4371 if (params->assoc_value) { in sctp_setsockopt_auth_supported()
4375 if (ep->asconf_enable) { in sctp_setsockopt_auth_supported()
4381 ep->auth_enable = !!params->assoc_value; in sctp_setsockopt_auth_supported()
4393 int retval = -EINVAL; in sctp_setsockopt_ecn_supported()
4398 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_ecn_supported()
4399 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_ecn_supported()
4403 sctp_sk(sk)->ep->ecn_enable = !!params->assoc_value; in sctp_setsockopt_ecn_supported()
4415 int retval = -EINVAL; in sctp_setsockopt_pf_expose()
4420 if (params->assoc_value > SCTP_PF_EXPOSE_MAX) in sctp_setsockopt_pf_expose()
4423 asoc = sctp_id2assoc(sk, params->assoc_id); in sctp_setsockopt_pf_expose()
4424 if (!asoc && params->assoc_id != SCTP_FUTURE_ASSOC && in sctp_setsockopt_pf_expose()
4429 asoc->pf_expose = params->assoc_value; in sctp_setsockopt_pf_expose()
4431 sctp_sk(sk)->pf_expose = params->assoc_value; in sctp_setsockopt_pf_expose()
4451 * sd - the socket descript.
4452 * level - set to IPPROTO_SCTP for all SCTP options.
4453 * optname - the option name.
4454 * optval - the buffer to store the value of the option.
4455 * optlen - the size of the buffer.
4469 * are at all well-founded. in sctp_setsockopt()
4472 struct sctp_af *af = sctp_sk(sk)->pf->af; in sctp_setsockopt()
4474 return af->setsockopt(sk, level, optname, optval, optlen); in sctp_setsockopt()
4662 retval = -ENOPROTOOPT; in sctp_setsockopt()
4671 /* API 3.1.6 connect() - UDP Style Syntax
4691 int err = -EINVAL; in sctp_connect()
4698 af = sctp_get_af_specific(addr->sa_family); in sctp_connect()
4699 if (af && addr_len >= af->sockaddr_len) in sctp_connect()
4700 err = __sctp_connect(sk, addr, af->sockaddr_len, flags, NULL); in sctp_connect()
4709 if (addr_len < sizeof(uaddr->sa_family)) in sctp_inet_connect()
4710 return -EINVAL; in sctp_inet_connect()
4712 if (uaddr->sa_family == AF_UNSPEC) in sctp_inet_connect()
4713 return -EOPNOTSUPP; in sctp_inet_connect()
4715 return sctp_connect(sock->sk, uaddr, addr_len, flags); in sctp_inet_connect()
4721 return -EOPNOTSUPP; /* STUB */ in sctp_disconnect()
4724 /* 4.1.4 accept() - TCP Style Syntax
4733 struct sctp_sock *sp; in sctp_accept() local
4742 sp = sctp_sk(sk); in sctp_accept()
4743 ep = sp->ep; in sctp_accept()
4746 error = -EOPNOTSUPP; in sctp_accept()
4751 error = -EINVAL; in sctp_accept()
4764 asoc = list_entry(ep->asocs.next, struct sctp_association, asocs); in sctp_accept()
4766 newsk = sp->pf->create_accept_sk(sk, asoc, kern); in sctp_accept()
4768 error = -ENOMEM; in sctp_accept()
4790 int rc = -ENOTCONN; in sctp_ioctl()
4795 * SEQPACKET-style sockets in LISTENING state are valid, for in sctp_ioctl()
4796 * SCTP, so only discard TCP-style sockets in LISTENING state. in sctp_ioctl()
4806 skb = skb_peek(&sk->sk_receive_queue); in sctp_ioctl()
4812 amount = skb->len; in sctp_ioctl()
4818 rc = -ENOIOCTLCMD; in sctp_ioctl()
4827 * initialized the SCTP-specific portion of the sock.
4828 * The sock structure should already be zero-filled memory.
4833 struct sctp_sock *sp; in sctp_init_sock() local
4837 sp = sctp_sk(sk); in sctp_init_sock()
4840 switch (sk->sk_type) { in sctp_init_sock()
4842 sp->type = SCTP_SOCKET_UDP; in sctp_init_sock()
4845 sp->type = SCTP_SOCKET_TCP; in sctp_init_sock()
4848 return -ESOCKTNOSUPPORT; in sctp_init_sock()
4851 sk->sk_gso_type = SKB_GSO_SCTP; in sctp_init_sock()
4856 sp->default_stream = 0; in sctp_init_sock()
4857 sp->default_ppid = 0; in sctp_init_sock()
4858 sp->default_flags = 0; in sctp_init_sock()
4859 sp->default_context = 0; in sctp_init_sock()
4860 sp->default_timetolive = 0; in sctp_init_sock()
4862 sp->default_rcv_context = 0; in sctp_init_sock()
4863 sp->max_burst = net->sctp.max_burst; in sctp_init_sock()
4865 sp->sctp_hmac_alg = net->sctp.sctp_hmac_alg; in sctp_init_sock()
4871 sp->initmsg.sinit_num_ostreams = sctp_max_outstreams; in sctp_init_sock()
4872 sp->initmsg.sinit_max_instreams = sctp_max_instreams; in sctp_init_sock()
4873 sp->initmsg.sinit_max_attempts = net->sctp.max_retrans_init; in sctp_init_sock()
4874 sp->initmsg.sinit_max_init_timeo = net->sctp.rto_max; in sctp_init_sock()
4879 sp->rtoinfo.srto_initial = net->sctp.rto_initial; in sctp_init_sock()
4880 sp->rtoinfo.srto_max = net->sctp.rto_max; in sctp_init_sock()
4881 sp->rtoinfo.srto_min = net->sctp.rto_min; in sctp_init_sock()
4886 sp->assocparams.sasoc_asocmaxrxt = net->sctp.max_retrans_association; in sctp_init_sock()
4887 sp->assocparams.sasoc_number_peer_destinations = 0; in sctp_init_sock()
4888 sp->assocparams.sasoc_peer_rwnd = 0; in sctp_init_sock()
4889 sp->assocparams.sasoc_local_rwnd = 0; in sctp_init_sock()
4890 sp->assocparams.sasoc_cookie_life = net->sctp.valid_cookie_life; in sctp_init_sock()
4895 sp->subscribe = 0; in sctp_init_sock()
4900 sp->hbinterval = net->sctp.hb_interval; in sctp_init_sock()
4901 sp->pathmaxrxt = net->sctp.max_retrans_path; in sctp_init_sock()
4902 sp->pf_retrans = net->sctp.pf_retrans; in sctp_init_sock()
4903 sp->ps_retrans = net->sctp.ps_retrans; in sctp_init_sock()
4904 sp->pf_expose = net->sctp.pf_expose; in sctp_init_sock()
4905 sp->pathmtu = 0; /* allow default discovery */ in sctp_init_sock()
4906 sp->sackdelay = net->sctp.sack_timeout; in sctp_init_sock()
4907 sp->sackfreq = 2; in sctp_init_sock()
4908 sp->param_flags = SPP_HB_ENABLE | in sctp_init_sock()
4911 sp->default_ss = SCTP_SS_DEFAULT; in sctp_init_sock()
4916 sp->disable_fragments = 0; in sctp_init_sock()
4919 sp->nodelay = 0; in sctp_init_sock()
4921 sp->recvrcvinfo = 0; in sctp_init_sock()
4922 sp->recvnxtinfo = 0; in sctp_init_sock()
4925 sp->v4mapped = 1; in sctp_init_sock()
4927 /* Auto-close idle associations after the configured in sctp_init_sock()
4930 * for UDP-style sockets only. in sctp_init_sock()
4932 sp->autoclose = 0; in sctp_init_sock()
4935 sp->user_frag = 0; in sctp_init_sock()
4937 sp->adaptation_ind = 0; in sctp_init_sock()
4939 sp->pf = sctp_get_pf_specific(sk->sk_family); in sctp_init_sock()
4942 atomic_set(&sp->pd_mode, 0); in sctp_init_sock()
4943 skb_queue_head_init(&sp->pd_lobby); in sctp_init_sock()
4944 sp->frag_interleave = 0; in sctp_init_sock()
4948 * be useful for storing pre-connect address information. in sctp_init_sock()
4950 sp->ep = sctp_endpoint_new(sk, GFP_KERNEL); in sctp_init_sock()
4951 if (!sp->ep) in sctp_init_sock()
4952 return -ENOMEM; in sctp_init_sock()
4954 sp->hmac = NULL; in sctp_init_sock()
4956 sk->sk_destruct = sctp_destruct_sock; in sctp_init_sock()
4962 sock_prot_inuse_add(net, sk->sk_prot, 1); in sctp_init_sock()
4970 * sock_net(sk)->sctp.addr_wq_lock held if sp->do_auto_asconf is true
4974 struct sctp_sock *sp; in sctp_destroy_sock() local
4979 sp = sctp_sk(sk); in sctp_destroy_sock()
4983 if (sp->ep == NULL) in sctp_destroy_sock()
4986 if (sp->do_auto_asconf) { in sctp_destroy_sock()
4987 sp->do_auto_asconf = 0; in sctp_destroy_sock()
4988 list_del(&sp->auto_asconf_list); in sctp_destroy_sock()
4990 sctp_endpoint_free(sp->ep); in sctp_destroy_sock()
4993 sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); in sctp_destroy_sock()
5000 struct sctp_sock *sp = sctp_sk(sk); in sctp_destruct_common() local
5003 crypto_free_shash(sp->hmac); in sctp_destruct_common()
5012 /* API 4.1.7 shutdown() - TCP Style Syntax
5015 * sd - the socket descriptor of the association to be closed.
5016 * how - Specifies the type of shutdown. The values are
5036 ep = sctp_sk(sk)->ep; in sctp_shutdown()
5037 if (how & SEND_SHUTDOWN && !list_empty(&ep->asocs)) { in sctp_shutdown()
5041 asoc = list_entry(ep->asocs.next, in sctp_shutdown()
5056 struct sctp_sock *sp = sctp_sk(sk); in sctp_get_sctp_info() local
5058 info->sctpi_s_autoclose = sp->autoclose; in sctp_get_sctp_info()
5059 info->sctpi_s_adaptation_ind = sp->adaptation_ind; in sctp_get_sctp_info()
5060 info->sctpi_s_pd_point = sp->pd_point; in sctp_get_sctp_info()
5061 info->sctpi_s_nodelay = sp->nodelay; in sctp_get_sctp_info()
5062 info->sctpi_s_disable_fragments = sp->disable_fragments; in sctp_get_sctp_info()
5063 info->sctpi_s_v4mapped = sp->v4mapped; in sctp_get_sctp_info()
5064 info->sctpi_s_frag_interleave = sp->frag_interleave; in sctp_get_sctp_info()
5065 info->sctpi_s_type = sp->type; in sctp_get_sctp_info()
5070 info->sctpi_tag = asoc->c.my_vtag; in sctp_get_sctp_info()
5071 info->sctpi_state = asoc->state; in sctp_get_sctp_info()
5072 info->sctpi_rwnd = asoc->a_rwnd; in sctp_get_sctp_info()
5073 info->sctpi_unackdata = asoc->unack_data; in sctp_get_sctp_info()
5074 info->sctpi_penddata = sctp_tsnmap_pending(&asoc->peer.tsn_map); in sctp_get_sctp_info()
5075 info->sctpi_instrms = asoc->stream.incnt; in sctp_get_sctp_info()
5076 info->sctpi_outstrms = asoc->stream.outcnt; in sctp_get_sctp_info()
5077 list_for_each(pos, &asoc->base.inqueue.in_chunk_list) in sctp_get_sctp_info()
5078 info->sctpi_inqueue++; in sctp_get_sctp_info()
5079 list_for_each(pos, &asoc->outqueue.out_chunk_list) in sctp_get_sctp_info()
5080 info->sctpi_outqueue++; in sctp_get_sctp_info()
5081 info->sctpi_overall_error = asoc->overall_error_count; in sctp_get_sctp_info()
5082 info->sctpi_max_burst = asoc->max_burst; in sctp_get_sctp_info()
5083 info->sctpi_maxseg = asoc->frag_point; in sctp_get_sctp_info()
5084 info->sctpi_peer_rwnd = asoc->peer.rwnd; in sctp_get_sctp_info()
5085 info->sctpi_peer_tag = asoc->c.peer_vtag; in sctp_get_sctp_info()
5087 mask = asoc->peer.ecn_capable << 1; in sctp_get_sctp_info()
5088 mask = (mask | asoc->peer.ipv4_address) << 1; in sctp_get_sctp_info()
5089 mask = (mask | asoc->peer.ipv6_address) << 1; in sctp_get_sctp_info()
5090 mask = (mask | asoc->peer.hostname_address) << 1; in sctp_get_sctp_info()
5091 mask = (mask | asoc->peer.asconf_capable) << 1; in sctp_get_sctp_info()
5092 mask = (mask | asoc->peer.prsctp_capable) << 1; in sctp_get_sctp_info()
5093 mask = (mask | asoc->peer.auth_capable); in sctp_get_sctp_info()
5094 info->sctpi_peer_capable = mask; in sctp_get_sctp_info()
5095 mask = asoc->peer.sack_needed << 1; in sctp_get_sctp_info()
5096 mask = (mask | asoc->peer.sack_generation) << 1; in sctp_get_sctp_info()
5097 mask = (mask | asoc->peer.zero_window_announced); in sctp_get_sctp_info()
5098 info->sctpi_peer_sack = mask; in sctp_get_sctp_info()
5100 info->sctpi_isacks = asoc->stats.isacks; in sctp_get_sctp_info()
5101 info->sctpi_osacks = asoc->stats.osacks; in sctp_get_sctp_info()
5102 info->sctpi_opackets = asoc->stats.opackets; in sctp_get_sctp_info()
5103 info->sctpi_ipackets = asoc->stats.ipackets; in sctp_get_sctp_info()
5104 info->sctpi_rtxchunks = asoc->stats.rtxchunks; in sctp_get_sctp_info()
5105 info->sctpi_outofseqtsns = asoc->stats.outofseqtsns; in sctp_get_sctp_info()
5106 info->sctpi_idupchunks = asoc->stats.idupchunks; in sctp_get_sctp_info()
5107 info->sctpi_gapcnt = asoc->stats.gapcnt; in sctp_get_sctp_info()
5108 info->sctpi_ouodchunks = asoc->stats.ouodchunks; in sctp_get_sctp_info()
5109 info->sctpi_iuodchunks = asoc->stats.iuodchunks; in sctp_get_sctp_info()
5110 info->sctpi_oodchunks = asoc->stats.oodchunks; in sctp_get_sctp_info()
5111 info->sctpi_iodchunks = asoc->stats.iodchunks; in sctp_get_sctp_info()
5112 info->sctpi_octrlchunks = asoc->stats.octrlchunks; in sctp_get_sctp_info()
5113 info->sctpi_ictrlchunks = asoc->stats.ictrlchunks; in sctp_get_sctp_info()
5115 prim = asoc->peer.primary_path; in sctp_get_sctp_info()
5116 memcpy(&info->sctpi_p_address, &prim->ipaddr, sizeof(prim->ipaddr)); in sctp_get_sctp_info()
5117 info->sctpi_p_state = prim->state; in sctp_get_sctp_info()
5118 info->sctpi_p_cwnd = prim->cwnd; in sctp_get_sctp_info()
5119 info->sctpi_p_srtt = prim->srtt; in sctp_get_sctp_info()
5120 info->sctpi_p_rto = jiffies_to_msecs(prim->rto); in sctp_get_sctp_info()
5121 info->sctpi_p_hbinterval = prim->hbinterval; in sctp_get_sctp_info()
5122 info->sctpi_p_pathmaxrxt = prim->pathmaxrxt; in sctp_get_sctp_info()
5123 info->sctpi_p_sackdelay = jiffies_to_msecs(prim->sackdelay); in sctp_get_sctp_info()
5124 info->sctpi_p_ssthresh = prim->ssthresh; in sctp_get_sctp_info()
5125 info->sctpi_p_partial_bytes_acked = prim->partial_bytes_acked; in sctp_get_sctp_info()
5126 info->sctpi_p_flight_size = prim->flight_size; in sctp_get_sctp_info()
5127 info->sctpi_p_error = prim->error_count; in sctp_get_sctp_info()
5155 if (PTR_ERR(t) == -EAGAIN) in sctp_transport_get_next()
5163 if (net_eq(t->asoc->base.net, net) && in sctp_transport_get_next()
5164 t->asoc->peer.primary_path == t) in sctp_transport_get_next()
5183 if (!--pos) in sctp_transport_get_idx()
5200 read_lock_bh(&head->lock); in sctp_for_each_endpoint()
5201 sctp_for_each_hentry(epb, &head->chain) { in sctp_for_each_endpoint()
5206 read_unlock_bh(&head->lock); in sctp_for_each_endpoint()
5225 return -ENOENT; in sctp_transport_lookup_process()
5248 ep = tsp->asoc->ep; in sctp_transport_traverse_process()
5280 * receipt. This information is read-only.
5293 retval = -EINVAL; in sctp_getsockopt_sctp_status()
5299 retval = -EFAULT; in sctp_getsockopt_sctp_status()
5306 retval = -EINVAL; in sctp_getsockopt_sctp_status()
5310 transport = asoc->peer.primary_path; in sctp_getsockopt_sctp_status()
5314 status.sstat_rwnd = asoc->peer.rwnd; in sctp_getsockopt_sctp_status()
5315 status.sstat_unackdata = asoc->unack_data; in sctp_getsockopt_sctp_status()
5317 status.sstat_penddata = sctp_tsnmap_pending(&asoc->peer.tsn_map); in sctp_getsockopt_sctp_status()
5318 status.sstat_instrms = asoc->stream.incnt; in sctp_getsockopt_sctp_status()
5319 status.sstat_outstrms = asoc->stream.outcnt; in sctp_getsockopt_sctp_status()
5320 status.sstat_fragmentation_point = asoc->frag_point; in sctp_getsockopt_sctp_status()
5321 status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc); in sctp_getsockopt_sctp_status()
5322 memcpy(&status.sstat_primary.spinfo_address, &transport->ipaddr, in sctp_getsockopt_sctp_status()
5323 transport->af_specific->sockaddr_len); in sctp_getsockopt_sctp_status()
5324 /* Map ipv4 address into v4-mapped-on-v6 address. */ in sctp_getsockopt_sctp_status()
5325 sctp_get_pf_specific(sk->sk_family)->addr_to_user(sctp_sk(sk), in sctp_getsockopt_sctp_status()
5327 status.sstat_primary.spinfo_state = transport->state; in sctp_getsockopt_sctp_status()
5328 status.sstat_primary.spinfo_cwnd = transport->cwnd; in sctp_getsockopt_sctp_status()
5329 status.sstat_primary.spinfo_srtt = transport->srtt; in sctp_getsockopt_sctp_status()
5330 status.sstat_primary.spinfo_rto = jiffies_to_msecs(transport->rto); in sctp_getsockopt_sctp_status()
5331 status.sstat_primary.spinfo_mtu = transport->pathmtu; in sctp_getsockopt_sctp_status()
5337 retval = -EFAULT; in sctp_getsockopt_sctp_status()
5346 retval = -EFAULT; in sctp_getsockopt_sctp_status()
5360 * read-only.
5371 retval = -EINVAL; in sctp_getsockopt_peer_addr_info()
5377 retval = -EFAULT; in sctp_getsockopt_peer_addr_info()
5384 retval = -EINVAL; in sctp_getsockopt_peer_addr_info()
5388 if (transport->state == SCTP_PF && in sctp_getsockopt_peer_addr_info()
5389 transport->asoc->pf_expose == SCTP_PF_EXPOSE_DISABLE) { in sctp_getsockopt_peer_addr_info()
5390 retval = -EACCES; in sctp_getsockopt_peer_addr_info()
5394 pinfo.spinfo_assoc_id = sctp_assoc2id(transport->asoc); in sctp_getsockopt_peer_addr_info()
5395 pinfo.spinfo_state = transport->state; in sctp_getsockopt_peer_addr_info()
5396 pinfo.spinfo_cwnd = transport->cwnd; in sctp_getsockopt_peer_addr_info()
5397 pinfo.spinfo_srtt = transport->srtt; in sctp_getsockopt_peer_addr_info()
5398 pinfo.spinfo_rto = jiffies_to_msecs(transport->rto); in sctp_getsockopt_peer_addr_info()
5399 pinfo.spinfo_mtu = transport->pathmtu; in sctp_getsockopt_peer_addr_info()
5405 retval = -EFAULT; in sctp_getsockopt_peer_addr_info()
5410 retval = -EFAULT; in sctp_getsockopt_peer_addr_info()
5431 return -EINVAL; in sctp_getsockopt_disable_fragments()
5434 val = (sctp_sk(sk)->disable_fragments == 1); in sctp_getsockopt_disable_fragments()
5436 return -EFAULT; in sctp_getsockopt_disable_fragments()
5438 return -EFAULT; in sctp_getsockopt_disable_fragments()
5455 return -EINVAL; in sctp_getsockopt_events()
5459 return -EFAULT; in sctp_getsockopt_events()
5462 sn_type[i] = sctp_ulpevent_type_enabled(sctp_sk(sk)->subscribe, in sctp_getsockopt_events()
5466 return -EFAULT; in sctp_getsockopt_events()
5473 * This socket option is applicable to the UDP-style socket only. When
5484 /* Applicable to UDP-style socket only */ in sctp_getsockopt_autoclose()
5486 return -EOPNOTSUPP; in sctp_getsockopt_autoclose()
5488 return -EINVAL; in sctp_getsockopt_autoclose()
5491 return -EFAULT; in sctp_getsockopt_autoclose()
5492 if (put_user(sctp_sk(sk)->autoclose, (int __user *)optval)) in sctp_getsockopt_autoclose()
5493 return -EFAULT; in sctp_getsockopt_autoclose()
5501 struct sctp_sock *sp = sctp_sk(sk); in sctp_do_peeloff() local
5506 if (!net_eq(current->nsproxy->net_ns, sock_net(sk))) in sctp_do_peeloff()
5507 return -EINVAL; in sctp_do_peeloff()
5510 return -EINVAL; in sctp_do_peeloff()
5512 /* An association cannot be branched off from an already peeled-off in sctp_do_peeloff()
5516 return -EINVAL; in sctp_do_peeloff()
5519 err = sock_create(sk->sk_family, SOCK_SEQPACKET, IPPROTO_SCTP, &sock); in sctp_do_peeloff()
5523 sctp_copy_sock(sock->sk, sk, asoc); in sctp_do_peeloff()
5525 /* Make peeled-off sockets more like 1-1 accepted sockets. in sctp_do_peeloff()
5529 sp->pf->to_sk_daddr(&asoc->peer.primary_addr, sock->sk); in sctp_do_peeloff()
5530 sp->pf->copy_ip_options(sk, sock->sk); in sctp_do_peeloff()
5535 err = sctp_sock_migrate(sk, sock->sk, asoc, in sctp_do_peeloff()
5554 retval = sctp_do_peeloff(sk, peeloff->associd, &newsock); in sctp_getsockopt_peeloff_common()
5573 pr_debug("%s: sk:%p, newsk:%p, sd:%d\n", __func__, sk, newsock->sk, in sctp_getsockopt_peeloff_common()
5576 peeloff->sd = retval; in sctp_getsockopt_peeloff_common()
5579 (*newfile)->f_flags |= O_NONBLOCK; in sctp_getsockopt_peeloff_common()
5591 return -EINVAL; in sctp_getsockopt_peeloff()
5594 return -EFAULT; in sctp_getsockopt_peeloff()
5604 return -EFAULT; in sctp_getsockopt_peeloff()
5610 return -EFAULT; in sctp_getsockopt_peeloff()
5625 return -EINVAL; in sctp_getsockopt_peeloff_flags()
5628 return -EFAULT; in sctp_getsockopt_peeloff_flags()
5639 return -EFAULT; in sctp_getsockopt_peeloff_flags()
5645 return -EFAULT; in sctp_getsockopt_peeloff_flags()
5671 * spp_assoc_id - (one-to-many style socket) This is filled in the
5674 * spp_address - This specifies which address is of interest.
5675 * spp_hbinterval - This contains the value of the heartbeat interval,
5679 * spp_pathmaxrxt - This contains the maximum number of
5684 * spp_pathmtu - When Path MTU discovery is disabled the value
5690 * spp_sackdelay - When delayed sack is enabled, this value specifies
5698 * spp_flags - These flags are used to control various features
5702 * SPP_HB_ENABLE - Enable heartbeats on the
5707 * SPP_HB_DISABLE - Disable heartbeats on the
5716 * SPP_HB_DEMAND - Request a user initiated heartbeat
5719 * SPP_PMTUD_ENABLE - This field will enable PMTU
5724 * SPP_PMTUD_DISABLE - This field will disable PMTU
5732 * SPP_SACKDELAY_ENABLE - Setting this flag turns
5738 * SPP_SACKDELAY_DISABLE - Setting this flag turns
5756 * returned. For non-IPv6 sockets, this flag will be left
5773 * - This field is used in conjunction with the
5776 * label. This setting has precedence over any IPv6-layer
5779 * spp_dscp - This field is used in conjunction with the SPP_DSCP flag
5782 * IPv4- or IPv6- layer setting.
5790 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_peer_addr_params() local
5799 return -EINVAL; in sctp_getsockopt_peer_addr_params()
5802 return -EFAULT; in sctp_getsockopt_peer_addr_params()
5812 return -EINVAL; in sctp_getsockopt_peer_addr_params()
5824 return -EINVAL; in sctp_getsockopt_peer_addr_params()
5829 params.spp_hbinterval = jiffies_to_msecs(trans->hbinterval); in sctp_getsockopt_peer_addr_params()
5830 params.spp_pathmtu = trans->pathmtu; in sctp_getsockopt_peer_addr_params()
5831 params.spp_pathmaxrxt = trans->pathmaxrxt; in sctp_getsockopt_peer_addr_params()
5832 params.spp_sackdelay = jiffies_to_msecs(trans->sackdelay); in sctp_getsockopt_peer_addr_params()
5834 /*draft-11 doesn't say what to return in spp_flags*/ in sctp_getsockopt_peer_addr_params()
5835 params.spp_flags = trans->param_flags; in sctp_getsockopt_peer_addr_params()
5836 if (trans->flowlabel & SCTP_FLOWLABEL_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5837 params.spp_ipv6_flowlabel = trans->flowlabel & in sctp_getsockopt_peer_addr_params()
5841 if (trans->dscp & SCTP_DSCP_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5842 params.spp_dscp = trans->dscp & SCTP_DSCP_VAL_MASK; in sctp_getsockopt_peer_addr_params()
5847 params.spp_hbinterval = jiffies_to_msecs(asoc->hbinterval); in sctp_getsockopt_peer_addr_params()
5848 params.spp_pathmtu = asoc->pathmtu; in sctp_getsockopt_peer_addr_params()
5849 params.spp_pathmaxrxt = asoc->pathmaxrxt; in sctp_getsockopt_peer_addr_params()
5850 params.spp_sackdelay = jiffies_to_msecs(asoc->sackdelay); in sctp_getsockopt_peer_addr_params()
5852 /*draft-11 doesn't say what to return in spp_flags*/ in sctp_getsockopt_peer_addr_params()
5853 params.spp_flags = asoc->param_flags; in sctp_getsockopt_peer_addr_params()
5854 if (asoc->flowlabel & SCTP_FLOWLABEL_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5855 params.spp_ipv6_flowlabel = asoc->flowlabel & in sctp_getsockopt_peer_addr_params()
5859 if (asoc->dscp & SCTP_DSCP_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5860 params.spp_dscp = asoc->dscp & SCTP_DSCP_VAL_MASK; in sctp_getsockopt_peer_addr_params()
5865 params.spp_hbinterval = sp->hbinterval; in sctp_getsockopt_peer_addr_params()
5866 params.spp_pathmtu = sp->pathmtu; in sctp_getsockopt_peer_addr_params()
5867 params.spp_sackdelay = sp->sackdelay; in sctp_getsockopt_peer_addr_params()
5868 params.spp_pathmaxrxt = sp->pathmaxrxt; in sctp_getsockopt_peer_addr_params()
5870 /*draft-11 doesn't say what to return in spp_flags*/ in sctp_getsockopt_peer_addr_params()
5871 params.spp_flags = sp->param_flags; in sctp_getsockopt_peer_addr_params()
5872 if (sp->flowlabel & SCTP_FLOWLABEL_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5873 params.spp_ipv6_flowlabel = sp->flowlabel & in sctp_getsockopt_peer_addr_params()
5877 if (sp->dscp & SCTP_DSCP_SET_MASK) { in sctp_getsockopt_peer_addr_params()
5878 params.spp_dscp = sp->dscp & SCTP_DSCP_VAL_MASK; in sctp_getsockopt_peer_addr_params()
5884 return -EFAULT; in sctp_getsockopt_peer_addr_params()
5887 return -EFAULT; in sctp_getsockopt_peer_addr_params()
5900 * values. If the assoc_id field is non-zero, then the set or get
5912 * sack_assoc_id - This parameter, indicates which association the user
5917 * sack_delay - This parameter contains the number of milliseconds that
5922 * sack_freq - This parameter contains the number of packets that must
5933 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_delayed_ack() local
5939 return -EFAULT; in sctp_getsockopt_delayed_ack()
5945 current->comm, task_pid_nr(current)); in sctp_getsockopt_delayed_ack()
5947 return -EFAULT; in sctp_getsockopt_delayed_ack()
5949 return -EINVAL; in sctp_getsockopt_delayed_ack()
5958 return -EINVAL; in sctp_getsockopt_delayed_ack()
5962 if (asoc->param_flags & SPP_SACKDELAY_ENABLE) { in sctp_getsockopt_delayed_ack()
5963 params.sack_delay = jiffies_to_msecs(asoc->sackdelay); in sctp_getsockopt_delayed_ack()
5964 params.sack_freq = asoc->sackfreq; in sctp_getsockopt_delayed_ack()
5972 if (sp->param_flags & SPP_SACKDELAY_ENABLE) { in sctp_getsockopt_delayed_ack()
5973 params.sack_delay = sp->sackdelay; in sctp_getsockopt_delayed_ack()
5974 params.sack_freq = sp->sackfreq; in sctp_getsockopt_delayed_ack()
5982 return -EFAULT; in sctp_getsockopt_delayed_ack()
5985 return -EFAULT; in sctp_getsockopt_delayed_ack()
5997 * socket (for UDP-style sockets only future associations are effected
5998 * by the change). With TCP-style sockets, this option is inherited by
6004 return -EINVAL; in sctp_getsockopt_initmsg()
6007 return -EFAULT; in sctp_getsockopt_initmsg()
6008 if (copy_to_user(optval, &sctp_sk(sk)->initmsg, len)) in sctp_getsockopt_initmsg()
6009 return -EFAULT; in sctp_getsockopt_initmsg()
6023 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_peer_addrs() local
6029 return -EINVAL; in sctp_getsockopt_peer_addrs()
6032 return -EFAULT; in sctp_getsockopt_peer_addrs()
6034 /* For UDP-style sockets, id specifies the association to query. */ in sctp_getsockopt_peer_addrs()
6037 return -EINVAL; in sctp_getsockopt_peer_addrs()
6040 space_left = len - offsetof(struct sctp_getaddrs, addrs); in sctp_getsockopt_peer_addrs()
6042 list_for_each_entry(from, &asoc->peer.transport_addr_list, in sctp_getsockopt_peer_addrs()
6044 memcpy(&temp, &from->ipaddr, sizeof(temp)); in sctp_getsockopt_peer_addrs()
6045 addrlen = sctp_get_pf_specific(sk->sk_family) in sctp_getsockopt_peer_addrs()
6046 ->addr_to_user(sp, &temp); in sctp_getsockopt_peer_addrs()
6048 return -ENOMEM; in sctp_getsockopt_peer_addrs()
6050 return -EFAULT; in sctp_getsockopt_peer_addrs()
6053 space_left -= addrlen; in sctp_getsockopt_peer_addrs()
6056 if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) in sctp_getsockopt_peer_addrs()
6057 return -EFAULT; in sctp_getsockopt_peer_addrs()
6058 bytes_copied = ((char __user *)to) - optval; in sctp_getsockopt_peer_addrs()
6060 return -EFAULT; in sctp_getsockopt_peer_addrs()
6075 list_for_each_entry_rcu(addr, &net->sctp.local_addr_list, list) { in sctp_copy_laddrs()
6076 if (!addr->valid) in sctp_copy_laddrs()
6079 if ((PF_INET == sk->sk_family) && in sctp_copy_laddrs()
6080 (AF_INET6 == addr->a.sa.sa_family)) in sctp_copy_laddrs()
6082 if ((PF_INET6 == sk->sk_family) && in sctp_copy_laddrs()
6084 (AF_INET == addr->a.sa.sa_family)) in sctp_copy_laddrs()
6086 memcpy(&temp, &addr->a, sizeof(temp)); in sctp_copy_laddrs()
6090 addrlen = sctp_get_pf_specific(sk->sk_family) in sctp_copy_laddrs()
6091 ->addr_to_user(sctp_sk(sk), &temp); in sctp_copy_laddrs()
6094 cnt = -ENOMEM; in sctp_copy_laddrs()
6101 space_left -= addrlen; in sctp_copy_laddrs()
6120 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_local_addrs() local
6129 return -EINVAL; in sctp_getsockopt_local_addrs()
6132 return -EFAULT; in sctp_getsockopt_local_addrs()
6135 * For UDP-style sockets, id specifies the association to query. in sctp_getsockopt_local_addrs()
6141 bp = &sctp_sk(sk)->ep->base.bind_addr; in sctp_getsockopt_local_addrs()
6145 return -EINVAL; in sctp_getsockopt_local_addrs()
6146 bp = &asoc->base.bind_addr; in sctp_getsockopt_local_addrs()
6150 space_left = len - offsetof(struct sctp_getaddrs, addrs); in sctp_getsockopt_local_addrs()
6154 return -ENOMEM; in sctp_getsockopt_local_addrs()
6159 if (sctp_list_single_entry(&bp->address_list)) { in sctp_getsockopt_local_addrs()
6160 addr = list_entry(bp->address_list.next, in sctp_getsockopt_local_addrs()
6162 if (sctp_is_any(sk, &addr->a)) { in sctp_getsockopt_local_addrs()
6163 cnt = sctp_copy_laddrs(sk, bp->port, addrs, in sctp_getsockopt_local_addrs()
6178 list_for_each_entry(addr, &bp->address_list, list) { in sctp_getsockopt_local_addrs()
6179 memcpy(&temp, &addr->a, sizeof(temp)); in sctp_getsockopt_local_addrs()
6180 addrlen = sctp_get_pf_specific(sk->sk_family) in sctp_getsockopt_local_addrs()
6181 ->addr_to_user(sp, &temp); in sctp_getsockopt_local_addrs()
6183 err = -ENOMEM; /*fixme: right error?*/ in sctp_getsockopt_local_addrs()
6190 space_left -= addrlen; in sctp_getsockopt_local_addrs()
6195 err = -EFAULT; in sctp_getsockopt_local_addrs()
6198 if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) { in sctp_getsockopt_local_addrs()
6199 err = -EFAULT; in sctp_getsockopt_local_addrs()
6206 err = -EFAULT; in sctp_getsockopt_local_addrs()
6223 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_primary_addr() local
6226 return -EINVAL; in sctp_getsockopt_primary_addr()
6231 return -EFAULT; in sctp_getsockopt_primary_addr()
6235 return -EINVAL; in sctp_getsockopt_primary_addr()
6237 if (!asoc->peer.primary_path) in sctp_getsockopt_primary_addr()
6238 return -ENOTCONN; in sctp_getsockopt_primary_addr()
6240 memcpy(&prim.ssp_addr, &asoc->peer.primary_path->ipaddr, in sctp_getsockopt_primary_addr()
6241 asoc->peer.primary_path->af_specific->sockaddr_len); in sctp_getsockopt_primary_addr()
6243 sctp_get_pf_specific(sk->sk_family)->addr_to_user(sp, in sctp_getsockopt_primary_addr()
6247 return -EFAULT; in sctp_getsockopt_primary_addr()
6249 return -EFAULT; in sctp_getsockopt_primary_addr()
6258 * Indication parameter for all future INIT and INIT-ACK exchanges.
6266 return -EINVAL; in sctp_getsockopt_adaptation_layer()
6270 adaptation.ssb_adaptation_ind = sctp_sk(sk)->adaptation_ind; in sctp_getsockopt_adaptation_layer()
6273 return -EFAULT; in sctp_getsockopt_adaptation_layer()
6275 return -EFAULT; in sctp_getsockopt_adaptation_layer()
6303 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_default_send_param() local
6308 return -EINVAL; in sctp_getsockopt_default_send_param()
6313 return -EFAULT; in sctp_getsockopt_default_send_param()
6318 return -EINVAL; in sctp_getsockopt_default_send_param()
6321 info.sinfo_stream = asoc->default_stream; in sctp_getsockopt_default_send_param()
6322 info.sinfo_flags = asoc->default_flags; in sctp_getsockopt_default_send_param()
6323 info.sinfo_ppid = asoc->default_ppid; in sctp_getsockopt_default_send_param()
6324 info.sinfo_context = asoc->default_context; in sctp_getsockopt_default_send_param()
6325 info.sinfo_timetolive = asoc->default_timetolive; in sctp_getsockopt_default_send_param()
6327 info.sinfo_stream = sp->default_stream; in sctp_getsockopt_default_send_param()
6328 info.sinfo_flags = sp->default_flags; in sctp_getsockopt_default_send_param()
6329 info.sinfo_ppid = sp->default_ppid; in sctp_getsockopt_default_send_param()
6330 info.sinfo_context = sp->default_context; in sctp_getsockopt_default_send_param()
6331 info.sinfo_timetolive = sp->default_timetolive; in sctp_getsockopt_default_send_param()
6335 return -EFAULT; in sctp_getsockopt_default_send_param()
6337 return -EFAULT; in sctp_getsockopt_default_send_param()
6349 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_default_sndinfo() local
6354 return -EINVAL; in sctp_getsockopt_default_sndinfo()
6359 return -EFAULT; in sctp_getsockopt_default_sndinfo()
6364 return -EINVAL; in sctp_getsockopt_default_sndinfo()
6367 info.snd_sid = asoc->default_stream; in sctp_getsockopt_default_sndinfo()
6368 info.snd_flags = asoc->default_flags; in sctp_getsockopt_default_sndinfo()
6369 info.snd_ppid = asoc->default_ppid; in sctp_getsockopt_default_sndinfo()
6370 info.snd_context = asoc->default_context; in sctp_getsockopt_default_sndinfo()
6372 info.snd_sid = sp->default_stream; in sctp_getsockopt_default_sndinfo()
6373 info.snd_flags = sp->default_flags; in sctp_getsockopt_default_sndinfo()
6374 info.snd_ppid = sp->default_ppid; in sctp_getsockopt_default_sndinfo()
6375 info.snd_context = sp->default_context; in sctp_getsockopt_default_sndinfo()
6379 return -EFAULT; in sctp_getsockopt_default_sndinfo()
6381 return -EFAULT; in sctp_getsockopt_default_sndinfo()
6390 * Turn on/off any Nagle-like algorithm. This means that packets are
6402 return -EINVAL; in sctp_getsockopt_nodelay()
6405 val = (sctp_sk(sk)->nodelay == 1); in sctp_getsockopt_nodelay()
6407 return -EFAULT; in sctp_getsockopt_nodelay()
6409 return -EFAULT; in sctp_getsockopt_nodelay()
6432 return -EINVAL; in sctp_getsockopt_rtoinfo()
6437 return -EFAULT; in sctp_getsockopt_rtoinfo()
6443 return -EINVAL; in sctp_getsockopt_rtoinfo()
6447 rtoinfo.srto_initial = jiffies_to_msecs(asoc->rto_initial); in sctp_getsockopt_rtoinfo()
6448 rtoinfo.srto_max = jiffies_to_msecs(asoc->rto_max); in sctp_getsockopt_rtoinfo()
6449 rtoinfo.srto_min = jiffies_to_msecs(asoc->rto_min); in sctp_getsockopt_rtoinfo()
6452 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_rtoinfo() local
6454 rtoinfo.srto_initial = sp->rtoinfo.srto_initial; in sctp_getsockopt_rtoinfo()
6455 rtoinfo.srto_max = sp->rtoinfo.srto_max; in sctp_getsockopt_rtoinfo()
6456 rtoinfo.srto_min = sp->rtoinfo.srto_min; in sctp_getsockopt_rtoinfo()
6460 return -EFAULT; in sctp_getsockopt_rtoinfo()
6463 return -EFAULT; in sctp_getsockopt_rtoinfo()
6490 return -EINVAL; in sctp_getsockopt_associnfo()
6495 return -EFAULT; in sctp_getsockopt_associnfo()
6501 return -EINVAL; in sctp_getsockopt_associnfo()
6505 assocparams.sasoc_asocmaxrxt = asoc->max_retrans; in sctp_getsockopt_associnfo()
6506 assocparams.sasoc_peer_rwnd = asoc->peer.rwnd; in sctp_getsockopt_associnfo()
6507 assocparams.sasoc_local_rwnd = asoc->a_rwnd; in sctp_getsockopt_associnfo()
6508 assocparams.sasoc_cookie_life = ktime_to_ms(asoc->cookie_life); in sctp_getsockopt_associnfo()
6510 list_for_each(pos, &asoc->peer.transport_addr_list) { in sctp_getsockopt_associnfo()
6517 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_associnfo() local
6519 assocparams.sasoc_asocmaxrxt = sp->assocparams.sasoc_asocmaxrxt; in sctp_getsockopt_associnfo()
6520 assocparams.sasoc_peer_rwnd = sp->assocparams.sasoc_peer_rwnd; in sctp_getsockopt_associnfo()
6521 assocparams.sasoc_local_rwnd = sp->assocparams.sasoc_local_rwnd; in sctp_getsockopt_associnfo()
6523 sp->assocparams.sasoc_cookie_life; in sctp_getsockopt_associnfo()
6525 sp->assocparams. in sctp_getsockopt_associnfo()
6530 return -EFAULT; in sctp_getsockopt_associnfo()
6533 return -EFAULT; in sctp_getsockopt_associnfo()
6552 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_mappedv4() local
6555 return -EINVAL; in sctp_getsockopt_mappedv4()
6558 val = sp->v4mapped; in sctp_getsockopt_mappedv4()
6560 return -EFAULT; in sctp_getsockopt_mappedv4()
6562 return -EFAULT; in sctp_getsockopt_mappedv4()
6578 return -EINVAL; in sctp_getsockopt_context()
6583 return -EFAULT; in sctp_getsockopt_context()
6588 return -EINVAL; in sctp_getsockopt_context()
6590 params.assoc_value = asoc ? asoc->default_rcv_context in sctp_getsockopt_context()
6591 : sctp_sk(sk)->default_rcv_context; in sctp_getsockopt_context()
6594 return -EFAULT; in sctp_getsockopt_context()
6596 return -EFAULT; in sctp_getsockopt_context()
6621 * assoc_id: This parameter is ignored for one-to-one style sockets.
6622 * For one-to-many style sockets this parameter indicates which
6639 current->comm, task_pid_nr(current)); in sctp_getsockopt_maxseg()
6644 return -EFAULT; in sctp_getsockopt_maxseg()
6646 return -EINVAL; in sctp_getsockopt_maxseg()
6651 return -EINVAL; in sctp_getsockopt_maxseg()
6654 params.assoc_value = asoc->frag_point; in sctp_getsockopt_maxseg()
6656 params.assoc_value = sctp_sk(sk)->user_frag; in sctp_getsockopt_maxseg()
6659 return -EFAULT; in sctp_getsockopt_maxseg()
6662 return -EFAULT; in sctp_getsockopt_maxseg()
6665 return -EFAULT; in sctp_getsockopt_maxseg()
6681 return -EINVAL; in sctp_getsockopt_fragment_interleave()
6685 val = sctp_sk(sk)->frag_interleave; in sctp_getsockopt_fragment_interleave()
6687 return -EFAULT; in sctp_getsockopt_fragment_interleave()
6689 return -EFAULT; in sctp_getsockopt_fragment_interleave()
6705 return -EINVAL; in sctp_getsockopt_partial_delivery_point()
6709 val = sctp_sk(sk)->pd_point; in sctp_getsockopt_partial_delivery_point()
6711 return -EFAULT; in sctp_getsockopt_partial_delivery_point()
6713 return -EFAULT; in sctp_getsockopt_partial_delivery_point()
6734 current->comm, task_pid_nr(current)); in sctp_getsockopt_maxburst()
6739 return -EFAULT; in sctp_getsockopt_maxburst()
6741 return -EINVAL; in sctp_getsockopt_maxburst()
6746 return -EINVAL; in sctp_getsockopt_maxburst()
6748 params.assoc_value = asoc ? asoc->max_burst : sctp_sk(sk)->max_burst; in sctp_getsockopt_maxburst()
6752 return -EFAULT; in sctp_getsockopt_maxburst()
6755 return -EFAULT; in sctp_getsockopt_maxburst()
6765 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_getsockopt_hmac_ident()
6772 if (!ep->auth_enable) in sctp_getsockopt_hmac_ident()
6773 return -EACCES; in sctp_getsockopt_hmac_ident()
6775 hmacs = ep->auth_hmacs_list; in sctp_getsockopt_hmac_ident()
6776 data_len = ntohs(hmacs->param_hdr.length) - in sctp_getsockopt_hmac_ident()
6780 return -EINVAL; in sctp_getsockopt_hmac_ident()
6786 return -EFAULT; in sctp_getsockopt_hmac_ident()
6787 if (put_user(num_idents, &p->shmac_num_idents)) in sctp_getsockopt_hmac_ident()
6788 return -EFAULT; in sctp_getsockopt_hmac_ident()
6790 __u16 hmacid = ntohs(hmacs->hmac_ids[i]); in sctp_getsockopt_hmac_ident()
6792 if (copy_to_user(&p->shmac_idents[i], &hmacid, sizeof(__u16))) in sctp_getsockopt_hmac_ident()
6793 return -EFAULT; in sctp_getsockopt_hmac_ident()
6801 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_getsockopt_active_key()
6806 return -EINVAL; in sctp_getsockopt_active_key()
6810 return -EFAULT; in sctp_getsockopt_active_key()
6814 return -EINVAL; in sctp_getsockopt_active_key()
6817 if (!asoc->peer.auth_capable) in sctp_getsockopt_active_key()
6818 return -EACCES; in sctp_getsockopt_active_key()
6819 val.scact_keynumber = asoc->active_key_id; in sctp_getsockopt_active_key()
6821 if (!ep->auth_enable) in sctp_getsockopt_active_key()
6822 return -EACCES; in sctp_getsockopt_active_key()
6823 val.scact_keynumber = ep->active_key_id; in sctp_getsockopt_active_key()
6827 return -EFAULT; in sctp_getsockopt_active_key()
6829 return -EFAULT; in sctp_getsockopt_active_key()
6845 return -EINVAL; in sctp_getsockopt_peer_auth_chunks()
6848 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
6850 to = p->gauth_chunks; in sctp_getsockopt_peer_auth_chunks()
6853 return -EINVAL; in sctp_getsockopt_peer_auth_chunks()
6855 if (!asoc->peer.auth_capable) in sctp_getsockopt_peer_auth_chunks()
6856 return -EACCES; in sctp_getsockopt_peer_auth_chunks()
6858 ch = asoc->peer.peer_chunks; in sctp_getsockopt_peer_auth_chunks()
6863 num_chunks = ntohs(ch->param_hdr.length) - sizeof(struct sctp_paramhdr); in sctp_getsockopt_peer_auth_chunks()
6865 return -EINVAL; in sctp_getsockopt_peer_auth_chunks()
6867 if (copy_to_user(to, ch->chunks, num_chunks)) in sctp_getsockopt_peer_auth_chunks()
6868 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
6872 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
6873 if (put_user(num_chunks, &p->gauth_number_of_chunks)) in sctp_getsockopt_peer_auth_chunks()
6874 return -EFAULT; in sctp_getsockopt_peer_auth_chunks()
6881 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_getsockopt_local_auth_chunks()
6890 return -EINVAL; in sctp_getsockopt_local_auth_chunks()
6893 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
6895 to = p->gauth_chunks; in sctp_getsockopt_local_auth_chunks()
6899 return -EINVAL; in sctp_getsockopt_local_auth_chunks()
6902 if (!asoc->peer.auth_capable) in sctp_getsockopt_local_auth_chunks()
6903 return -EACCES; in sctp_getsockopt_local_auth_chunks()
6904 ch = (struct sctp_chunks_param *)asoc->c.auth_chunks; in sctp_getsockopt_local_auth_chunks()
6906 if (!ep->auth_enable) in sctp_getsockopt_local_auth_chunks()
6907 return -EACCES; in sctp_getsockopt_local_auth_chunks()
6908 ch = ep->auth_chunk_list; in sctp_getsockopt_local_auth_chunks()
6913 num_chunks = ntohs(ch->param_hdr.length) - sizeof(struct sctp_paramhdr); in sctp_getsockopt_local_auth_chunks()
6915 return -EINVAL; in sctp_getsockopt_local_auth_chunks()
6917 if (copy_to_user(to, ch->chunks, num_chunks)) in sctp_getsockopt_local_auth_chunks()
6918 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
6922 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
6923 if (put_user(num_chunks, &p->gauth_number_of_chunks)) in sctp_getsockopt_local_auth_chunks()
6924 return -EFAULT; in sctp_getsockopt_local_auth_chunks()
6932 * to a one-to-many style socket. The option value is an uint32_t.
6937 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_assoc_number() local
6942 return -EOPNOTSUPP; in sctp_getsockopt_assoc_number()
6945 return -EINVAL; in sctp_getsockopt_assoc_number()
6949 list_for_each_entry(asoc, &(sp->ep->asocs), asocs) { in sctp_getsockopt_assoc_number()
6954 return -EFAULT; in sctp_getsockopt_assoc_number()
6956 return -EFAULT; in sctp_getsockopt_assoc_number()
6971 return -EINVAL; in sctp_getsockopt_auto_asconf()
6974 if (sctp_sk(sk)->do_auto_asconf && sctp_is_ep_boundall(sk)) in sctp_getsockopt_auto_asconf()
6977 return -EFAULT; in sctp_getsockopt_auto_asconf()
6979 return -EFAULT; in sctp_getsockopt_auto_asconf()
6988 * the SCTP associations handled by a one-to-many style socket.
6993 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_assoc_ids() local
6999 return -EOPNOTSUPP; in sctp_getsockopt_assoc_ids()
7002 return -EINVAL; in sctp_getsockopt_assoc_ids()
7004 list_for_each_entry(asoc, &(sp->ep->asocs), asocs) { in sctp_getsockopt_assoc_ids()
7009 return -EINVAL; in sctp_getsockopt_assoc_ids()
7015 return -ENOMEM; in sctp_getsockopt_assoc_ids()
7017 ids->gaids_number_of_ids = num; in sctp_getsockopt_assoc_ids()
7019 list_for_each_entry(asoc, &(sp->ep->asocs), asocs) { in sctp_getsockopt_assoc_ids()
7020 ids->gaids_assoc_id[num++] = asoc->assoc_id; in sctp_getsockopt_assoc_ids()
7025 return -EFAULT; in sctp_getsockopt_assoc_ids()
7037 * http://www.ietf.org/id/draft-nishida-tsvwg-sctp-failover-05.txt
7050 return -EINVAL; in sctp_getsockopt_paddr_thresholds()
7053 return -EFAULT; in sctp_getsockopt_paddr_thresholds()
7059 return -ENOENT; in sctp_getsockopt_paddr_thresholds()
7061 val.spt_pathmaxrxt = trans->pathmaxrxt; in sctp_getsockopt_paddr_thresholds()
7062 val.spt_pathpfthld = trans->pf_retrans; in sctp_getsockopt_paddr_thresholds()
7063 val.spt_pathcpthld = trans->ps_retrans; in sctp_getsockopt_paddr_thresholds()
7071 return -EINVAL; in sctp_getsockopt_paddr_thresholds()
7074 val.spt_pathpfthld = asoc->pf_retrans; in sctp_getsockopt_paddr_thresholds()
7075 val.spt_pathmaxrxt = asoc->pathmaxrxt; in sctp_getsockopt_paddr_thresholds()
7076 val.spt_pathcpthld = asoc->ps_retrans; in sctp_getsockopt_paddr_thresholds()
7078 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_paddr_thresholds() local
7080 val.spt_pathpfthld = sp->pf_retrans; in sctp_getsockopt_paddr_thresholds()
7081 val.spt_pathmaxrxt = sp->pathmaxrxt; in sctp_getsockopt_paddr_thresholds()
7082 val.spt_pathcpthld = sp->ps_retrans; in sctp_getsockopt_paddr_thresholds()
7087 return -EFAULT; in sctp_getsockopt_paddr_thresholds()
7107 return -EINVAL; in sctp_getsockopt_assoc_stats()
7113 return -EFAULT; in sctp_getsockopt_assoc_stats()
7117 return -EINVAL; in sctp_getsockopt_assoc_stats()
7119 sas.sas_rtxchunks = asoc->stats.rtxchunks; in sctp_getsockopt_assoc_stats()
7120 sas.sas_gapcnt = asoc->stats.gapcnt; in sctp_getsockopt_assoc_stats()
7121 sas.sas_outofseqtsns = asoc->stats.outofseqtsns; in sctp_getsockopt_assoc_stats()
7122 sas.sas_osacks = asoc->stats.osacks; in sctp_getsockopt_assoc_stats()
7123 sas.sas_isacks = asoc->stats.isacks; in sctp_getsockopt_assoc_stats()
7124 sas.sas_octrlchunks = asoc->stats.octrlchunks; in sctp_getsockopt_assoc_stats()
7125 sas.sas_ictrlchunks = asoc->stats.ictrlchunks; in sctp_getsockopt_assoc_stats()
7126 sas.sas_oodchunks = asoc->stats.oodchunks; in sctp_getsockopt_assoc_stats()
7127 sas.sas_iodchunks = asoc->stats.iodchunks; in sctp_getsockopt_assoc_stats()
7128 sas.sas_ouodchunks = asoc->stats.ouodchunks; in sctp_getsockopt_assoc_stats()
7129 sas.sas_iuodchunks = asoc->stats.iuodchunks; in sctp_getsockopt_assoc_stats()
7130 sas.sas_idupchunks = asoc->stats.idupchunks; in sctp_getsockopt_assoc_stats()
7131 sas.sas_opackets = asoc->stats.opackets; in sctp_getsockopt_assoc_stats()
7132 sas.sas_ipackets = asoc->stats.ipackets; in sctp_getsockopt_assoc_stats()
7138 sas.sas_maxrto = asoc->stats.max_obs_rto; in sctp_getsockopt_assoc_stats()
7139 memcpy(&sas.sas_obs_rto_ipaddr, &asoc->stats.obs_rto_ipaddr, in sctp_getsockopt_assoc_stats()
7143 asoc->stats.max_obs_rto = asoc->rto_min; in sctp_getsockopt_assoc_stats()
7146 return -EFAULT; in sctp_getsockopt_assoc_stats()
7151 return -EFAULT; in sctp_getsockopt_assoc_stats()
7163 return -EINVAL; in sctp_getsockopt_recvrcvinfo()
7166 if (sctp_sk(sk)->recvrcvinfo) in sctp_getsockopt_recvrcvinfo()
7169 return -EFAULT; in sctp_getsockopt_recvrcvinfo()
7171 return -EFAULT; in sctp_getsockopt_recvrcvinfo()
7183 return -EINVAL; in sctp_getsockopt_recvnxtinfo()
7186 if (sctp_sk(sk)->recvnxtinfo) in sctp_getsockopt_recvnxtinfo()
7189 return -EFAULT; in sctp_getsockopt_recvnxtinfo()
7191 return -EFAULT; in sctp_getsockopt_recvnxtinfo()
7202 int retval = -EFAULT; in sctp_getsockopt_pr_supported()
7205 retval = -EINVAL; in sctp_getsockopt_pr_supported()
7216 retval = -EINVAL; in sctp_getsockopt_pr_supported()
7220 params.assoc_value = asoc ? asoc->peer.prsctp_capable in sctp_getsockopt_pr_supported()
7221 : sctp_sk(sk)->ep->prsctp_enable; in sctp_getsockopt_pr_supported()
7241 int retval = -EFAULT; in sctp_getsockopt_default_prinfo()
7244 retval = -EINVAL; in sctp_getsockopt_default_prinfo()
7255 retval = -EINVAL; in sctp_getsockopt_default_prinfo()
7260 info.pr_policy = SCTP_PR_POLICY(asoc->default_flags); in sctp_getsockopt_default_prinfo()
7261 info.pr_value = asoc->default_timetolive; in sctp_getsockopt_default_prinfo()
7263 struct sctp_sock *sp = sctp_sk(sk); in sctp_getsockopt_default_prinfo() local
7265 info.pr_policy = SCTP_PR_POLICY(sp->default_flags); in sctp_getsockopt_default_prinfo()
7266 info.pr_value = sp->default_timetolive; in sctp_getsockopt_default_prinfo()
7288 int retval = -EINVAL; in sctp_getsockopt_pr_assocstatus()
7295 retval = -EFAULT; in sctp_getsockopt_pr_assocstatus()
7313 asoc->abandoned_unsent[policy]; in sctp_getsockopt_pr_assocstatus()
7315 asoc->abandoned_sent[policy]; in sctp_getsockopt_pr_assocstatus()
7319 asoc->abandoned_unsent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_assocstatus()
7321 asoc->abandoned_sent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_assocstatus()
7325 retval = -EFAULT; in sctp_getsockopt_pr_assocstatus()
7330 retval = -EFAULT; in sctp_getsockopt_pr_assocstatus()
7347 int retval = -EINVAL; in sctp_getsockopt_pr_streamstatus()
7355 retval = -EFAULT; in sctp_getsockopt_pr_streamstatus()
7365 if (!asoc || params.sprstat_sid >= asoc->stream.outcnt) in sctp_getsockopt_pr_streamstatus()
7368 streamoute = SCTP_SO(&asoc->stream, params.sprstat_sid)->ext; in sctp_getsockopt_pr_streamstatus()
7382 streamoute->abandoned_unsent[policy]; in sctp_getsockopt_pr_streamstatus()
7384 streamoute->abandoned_sent[policy]; in sctp_getsockopt_pr_streamstatus()
7388 streamoute->abandoned_unsent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_streamstatus()
7390 streamoute->abandoned_sent[__SCTP_PR_INDEX(policy)]; in sctp_getsockopt_pr_streamstatus()
7394 retval = -EFAULT; in sctp_getsockopt_pr_streamstatus()
7410 int retval = -EFAULT; in sctp_getsockopt_reconfig_supported()
7413 retval = -EINVAL; in sctp_getsockopt_reconfig_supported()
7424 retval = -EINVAL; in sctp_getsockopt_reconfig_supported()
7428 params.assoc_value = asoc ? asoc->peer.reconf_capable in sctp_getsockopt_reconfig_supported()
7429 : sctp_sk(sk)->ep->reconf_enable; in sctp_getsockopt_reconfig_supported()
7449 int retval = -EFAULT; in sctp_getsockopt_enable_strreset()
7452 retval = -EINVAL; in sctp_getsockopt_enable_strreset()
7463 retval = -EINVAL; in sctp_getsockopt_enable_strreset()
7467 params.assoc_value = asoc ? asoc->strreset_enable in sctp_getsockopt_enable_strreset()
7468 : sctp_sk(sk)->ep->strreset_enable; in sctp_getsockopt_enable_strreset()
7488 int retval = -EFAULT; in sctp_getsockopt_scheduler()
7491 retval = -EINVAL; in sctp_getsockopt_scheduler()
7502 retval = -EINVAL; in sctp_getsockopt_scheduler()
7507 : sctp_sk(sk)->default_ss; in sctp_getsockopt_scheduler()
7527 int retval = -EFAULT; in sctp_getsockopt_scheduler_value()
7530 retval = -EINVAL; in sctp_getsockopt_scheduler_value()
7540 retval = -EINVAL; in sctp_getsockopt_scheduler_value()
7550 retval = -EFAULT; in sctp_getsockopt_scheduler_value()
7555 retval = -EFAULT; in sctp_getsockopt_scheduler_value()
7569 int retval = -EFAULT; in sctp_getsockopt_interleaving_supported()
7572 retval = -EINVAL; in sctp_getsockopt_interleaving_supported()
7583 retval = -EINVAL; in sctp_getsockopt_interleaving_supported()
7587 params.assoc_value = asoc ? asoc->peer.intl_capable in sctp_getsockopt_interleaving_supported()
7588 : sctp_sk(sk)->ep->intl_enable; in sctp_getsockopt_interleaving_supported()
7609 return -EINVAL; in sctp_getsockopt_reuse_port()
7612 val = sctp_sk(sk)->reuse; in sctp_getsockopt_reuse_port()
7614 return -EFAULT; in sctp_getsockopt_reuse_port()
7617 return -EFAULT; in sctp_getsockopt_reuse_port()
7630 return -EINVAL; in sctp_getsockopt_event()
7634 return -EFAULT; in sctp_getsockopt_event()
7638 return -EINVAL; in sctp_getsockopt_event()
7643 return -EINVAL; in sctp_getsockopt_event()
7645 subscribe = asoc ? asoc->subscribe : sctp_sk(sk)->subscribe; in sctp_getsockopt_event()
7649 return -EFAULT; in sctp_getsockopt_event()
7652 return -EFAULT; in sctp_getsockopt_event()
7663 int retval = -EFAULT; in sctp_getsockopt_asconf_supported()
7666 retval = -EINVAL; in sctp_getsockopt_asconf_supported()
7677 retval = -EINVAL; in sctp_getsockopt_asconf_supported()
7681 params.assoc_value = asoc ? asoc->peer.asconf_capable in sctp_getsockopt_asconf_supported()
7682 : sctp_sk(sk)->ep->asconf_enable; in sctp_getsockopt_asconf_supported()
7702 int retval = -EFAULT; in sctp_getsockopt_auth_supported()
7705 retval = -EINVAL; in sctp_getsockopt_auth_supported()
7716 retval = -EINVAL; in sctp_getsockopt_auth_supported()
7720 params.assoc_value = asoc ? asoc->peer.auth_capable in sctp_getsockopt_auth_supported()
7721 : sctp_sk(sk)->ep->auth_enable; in sctp_getsockopt_auth_supported()
7741 int retval = -EFAULT; in sctp_getsockopt_ecn_supported()
7744 retval = -EINVAL; in sctp_getsockopt_ecn_supported()
7755 retval = -EINVAL; in sctp_getsockopt_ecn_supported()
7759 params.assoc_value = asoc ? asoc->peer.ecn_capable in sctp_getsockopt_ecn_supported()
7760 : sctp_sk(sk)->ep->ecn_enable; in sctp_getsockopt_ecn_supported()
7780 int retval = -EFAULT; in sctp_getsockopt_pf_expose()
7783 retval = -EINVAL; in sctp_getsockopt_pf_expose()
7794 retval = -EINVAL; in sctp_getsockopt_pf_expose()
7798 params.assoc_value = asoc ? asoc->pf_expose in sctp_getsockopt_pf_expose()
7799 : sctp_sk(sk)->pf_expose; in sctp_getsockopt_pf_expose()
7825 * are at all well-founded. in sctp_getsockopt()
7828 struct sctp_af *af = sctp_sk(sk)->pf->af; in sctp_getsockopt()
7830 retval = af->getsockopt(sk, level, optname, optval, optlen); in sctp_getsockopt()
7835 return -EFAULT; in sctp_getsockopt()
7838 return -EINVAL; in sctp_getsockopt()
7936 retval = -EOPNOTSUPP; in sctp_getsockopt()
8034 retval = -ENOPROTOOPT; in sctp_getsockopt()
8070 struct sctp_sock *sp = sctp_sk(sk); in sctp_get_port_local() local
8071 bool reuse = (sk->sk_reuse || sp->reuse); in sctp_get_port_local()
8079 snum = ntohs(addr->v4.sin_port); in sctp_get_port_local()
8089 remaining = (high - low) + 1; in sctp_get_port_local()
8100 spin_lock_bh(&head->lock); in sctp_get_port_local()
8101 sctp_for_each_hentry(pp, &head->chain) in sctp_get_port_local()
8102 if ((pp->port == rover) && in sctp_get_port_local()
8103 net_eq(net, pp->net)) in sctp_get_port_local()
8107 spin_unlock_bh(&head->lock); in sctp_get_port_local()
8109 } while (--remaining > 0); in sctp_get_port_local()
8117 * hash table list entry) is non-NULL and we hold it's in sctp_get_port_local()
8125 * to the port number (snum) - we detect that with the in sctp_get_port_local()
8129 spin_lock_bh(&head->lock); in sctp_get_port_local()
8130 sctp_for_each_hentry(pp, &head->chain) { in sctp_get_port_local()
8131 if ((pp->port == snum) && net_eq(pp->net, net)) in sctp_get_port_local()
8138 if (!hlist_empty(&pp->owner)) { in sctp_get_port_local()
8139 /* We had a port hash table hit - there is an in sctp_get_port_local()
8141 * used by other socket (pp->owner not empty); that other in sctp_get_port_local()
8148 if ((pp->fastreuse && reuse && in sctp_get_port_local()
8149 sk->sk_state != SCTP_SS_LISTENING) || in sctp_get_port_local()
8150 (pp->fastreuseport && sk->sk_reuseport && in sctp_get_port_local()
8151 uid_eq(pp->fastuid, uid))) in sctp_get_port_local()
8155 * (pp->port) [via the pointers bind_next and in sctp_get_port_local()
8156 * bind_pprev in the struct sock *sk2 (pp->sk)]. On each one, in sctp_get_port_local()
8164 sk_for_each_bound(sk2, &pp->owner) { in sctp_get_port_local()
8166 struct sctp_endpoint *ep2 = sp2->ep; in sctp_get_port_local()
8169 (reuse && (sk2->sk_reuse || sp2->reuse) && in sctp_get_port_local()
8170 sk2->sk_state != SCTP_SS_LISTENING) || in sctp_get_port_local()
8171 (sk->sk_reuseport && sk2->sk_reuseport && in sctp_get_port_local()
8175 if (sctp_bind_addr_conflict(&ep2->base.bind_addr, in sctp_get_port_local()
8176 addr, sp2, sp)) { in sctp_get_port_local()
8191 * if sk->sk_reuse is too (that is, if the caller requested in sctp_get_port_local()
8192 * SO_REUSEADDR on this socket -sk-). in sctp_get_port_local()
8194 if (hlist_empty(&pp->owner)) { in sctp_get_port_local()
8195 if (reuse && sk->sk_state != SCTP_SS_LISTENING) in sctp_get_port_local()
8196 pp->fastreuse = 1; in sctp_get_port_local()
8198 pp->fastreuse = 0; in sctp_get_port_local()
8200 if (sk->sk_reuseport) { in sctp_get_port_local()
8201 pp->fastreuseport = 1; in sctp_get_port_local()
8202 pp->fastuid = uid; in sctp_get_port_local()
8204 pp->fastreuseport = 0; in sctp_get_port_local()
8207 if (pp->fastreuse && in sctp_get_port_local()
8208 (!reuse || sk->sk_state == SCTP_SS_LISTENING)) in sctp_get_port_local()
8209 pp->fastreuse = 0; in sctp_get_port_local()
8211 if (pp->fastreuseport && in sctp_get_port_local()
8212 (!sk->sk_reuseport || !uid_eq(pp->fastuid, uid))) in sctp_get_port_local()
8213 pp->fastreuseport = 0; in sctp_get_port_local()
8221 if (!sp->bind_hash) { in sctp_get_port_local()
8222 inet_sk(sk)->inet_num = snum; in sctp_get_port_local()
8223 sk_add_bind_node(sk, &pp->owner); in sctp_get_port_local()
8224 sp->bind_hash = pp; in sctp_get_port_local()
8229 spin_unlock_bh(&head->lock); in sctp_get_port_local()
8239 struct sctp_af *af = sctp_sk(sk)->pf->af; in sctp_get_port()
8242 af->from_sk(&addr, sk); in sctp_get_port()
8245 /* Note: sk->sk_num gets filled in if ephemeral port request. */ in sctp_get_port()
8254 struct sctp_sock *sp = sctp_sk(sk); in sctp_listen_start() local
8255 struct sctp_endpoint *ep = sp->ep; in sctp_listen_start()
8260 if (!sp->hmac && sp->sctp_hmac_alg) { in sctp_listen_start()
8261 sprintf(alg, "hmac(%s)", sp->sctp_hmac_alg); in sctp_listen_start()
8265 sp->sctp_hmac_alg, PTR_ERR(tfm)); in sctp_listen_start()
8266 return -ENOSYS; in sctp_listen_start()
8268 sctp_sk(sk)->hmac = tfm; in sctp_listen_start()
8283 if (!ep->base.bind_addr.port) { in sctp_listen_start()
8285 return -EAGAIN; in sctp_listen_start()
8287 if (sctp_get_port(sk, inet_sk(sk)->inet_num)) { in sctp_listen_start()
8289 return -EADDRINUSE; in sctp_listen_start()
8293 WRITE_ONCE(sk->sk_max_ack_backlog, backlog); in sctp_listen_start()
8313 struct sock *sk = sock->sk; in sctp_inet_listen()
8314 struct sctp_endpoint *ep = sctp_sk(sk)->ep; in sctp_inet_listen()
8315 int err = -EINVAL; in sctp_inet_listen()
8322 /* Peeled-off sockets are not allowed to listen(). */ in sctp_inet_listen()
8326 if (sock->state != SS_UNCONNECTED) in sctp_inet_listen()
8339 sk->sk_state = SCTP_SS_CLOSED; in sctp_inet_listen()
8340 if (sk->sk_reuse || sctp_sk(sk)->reuse) in sctp_inet_listen()
8341 sctp_sk(sk)->bind_hash->fastreuse = 1; in sctp_inet_listen()
8347 WRITE_ONCE(sk->sk_max_ack_backlog, backlog); in sctp_inet_listen()
8375 struct sock *sk = sock->sk; in sctp_poll()
8376 struct sctp_sock *sp = sctp_sk(sk); in sctp_poll() local
8383 /* A TCP-style listening socket becomes readable when the accept queue in sctp_poll()
8387 return (!list_empty(&sp->ep->asocs)) ? in sctp_poll()
8393 if (sk->sk_err || !skb_queue_empty_lockless(&sk->sk_error_queue)) in sctp_poll()
8396 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_poll()
8398 if (sk->sk_shutdown == SHUTDOWN_MASK) in sctp_poll()
8401 /* Is it readable? Reconsider this code with TCP-style support. */ in sctp_poll()
8402 if (!skb_queue_empty_lockless(&sk->sk_receive_queue)) in sctp_poll()
8440 pp->port = snum; in sctp_bucket_create()
8441 pp->fastreuse = 0; in sctp_bucket_create()
8442 INIT_HLIST_HEAD(&pp->owner); in sctp_bucket_create()
8443 pp->net = net; in sctp_bucket_create()
8444 hlist_add_head(&pp->node, &head->chain); in sctp_bucket_create()
8452 if (pp && hlist_empty(&pp->owner)) { in sctp_bucket_destroy()
8453 __hlist_del(&pp->node); in sctp_bucket_destroy()
8464 inet_sk(sk)->inet_num)]; in __sctp_put_port()
8467 spin_lock(&head->lock); in __sctp_put_port()
8468 pp = sctp_sk(sk)->bind_hash; in __sctp_put_port()
8470 sctp_sk(sk)->bind_hash = NULL; in __sctp_put_port()
8471 inet_sk(sk)->inet_num = 0; in __sctp_put_port()
8473 spin_unlock(&head->lock); in __sctp_put_port()
8496 af = sctp_sk(sk)->pf->af; in sctp_autobind()
8498 port = htons(inet_sk(sk)->inet_num); in sctp_autobind()
8499 af->inaddr_any(&autoaddr, port); in sctp_autobind()
8501 return sctp_do_bind(sk, &autoaddr, af->sockaddr_len); in sctp_autobind()
8513 * Historically Berkeley-derived implementations have passed only one object
8518 * |<--------------------------- msg_controllen -------------------------->|
8521 * |<----- ancillary data object ----->|<----- ancillary data object ----->|
8523 * |<---------- CMSG_SPACE() --------->|<---------- CMSG_SPACE() --------->|
8526 * |<---------- cmsg_len ---------->| |<--------- cmsg_len ----------->| |
8528 * |<--------- CMSG_LEN() --------->| |<-------- CMSG_LEN() ---------->| |
8531 * +-----+-----+-----+--+-----------+--+-----+-----+-----+--+-----------+--+
8536 * +-----+-----+-----+--+-----------+--+-----+-----+-----+--+-----------+--+
8550 return -EINVAL; in sctp_msghdr_parse()
8553 if (cmsg->cmsg_level != IPPROTO_SCTP) in sctp_msghdr_parse()
8557 switch (cmsg->cmsg_type) { in sctp_msghdr_parse()
8569 * ------------ ------------ ---------------------- in sctp_msghdr_parse()
8572 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_initmsg))) in sctp_msghdr_parse()
8573 return -EINVAL; in sctp_msghdr_parse()
8575 cmsgs->init = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8587 * ------------ ------------ ---------------------- in sctp_msghdr_parse()
8590 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_sndrcvinfo))) in sctp_msghdr_parse()
8591 return -EINVAL; in sctp_msghdr_parse()
8593 cmsgs->srinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8595 if (cmsgs->srinfo->sinfo_flags & in sctp_msghdr_parse()
8599 return -EINVAL; in sctp_msghdr_parse()
8611 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8614 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_sndinfo))) in sctp_msghdr_parse()
8615 return -EINVAL; in sctp_msghdr_parse()
8617 cmsgs->sinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8619 if (cmsgs->sinfo->snd_flags & in sctp_msghdr_parse()
8623 return -EINVAL; in sctp_msghdr_parse()
8627 * 5.3.7 SCTP PR-SCTP Information Structure (SCTP_PRINFO) in sctp_msghdr_parse()
8632 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8635 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_prinfo))) in sctp_msghdr_parse()
8636 return -EINVAL; in sctp_msghdr_parse()
8638 cmsgs->prinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8639 if (cmsgs->prinfo->pr_policy & ~SCTP_PR_SCTP_MASK) in sctp_msghdr_parse()
8640 return -EINVAL; in sctp_msghdr_parse()
8642 if (cmsgs->prinfo->pr_policy == SCTP_PR_SCTP_NONE) in sctp_msghdr_parse()
8643 cmsgs->prinfo->pr_value = 0; in sctp_msghdr_parse()
8652 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8655 if (cmsg->cmsg_len != CMSG_LEN(sizeof(struct sctp_authinfo))) in sctp_msghdr_parse()
8656 return -EINVAL; in sctp_msghdr_parse()
8658 cmsgs->authinfo = CMSG_DATA(cmsg); in sctp_msghdr_parse()
8668 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8670 * ------------ ------------ --------------------- in sctp_msghdr_parse()
8673 cmsgs->addrs_msg = my_msg; in sctp_msghdr_parse()
8676 return -EINVAL; in sctp_msghdr_parse()
8700 if (!skb_queue_empty(&sk->sk_receive_queue)) in sctp_wait_for_packet()
8704 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_wait_for_packet()
8710 error = -ENOTCONN; in sctp_wait_for_packet()
8713 if (list_empty(&sctp_sk(sk)->ep->asocs) && !sctp_sstate(sk, LISTENING)) in sctp_wait_for_packet()
8767 skb = skb_peek(&sk->sk_receive_queue); in sctp_skb_recv_datagram()
8769 refcount_inc(&skb->users); in sctp_skb_recv_datagram()
8771 skb = __skb_dequeue(&sk->sk_receive_queue); in sctp_skb_recv_datagram()
8777 /* Caller is allowed not to check sk->sk_err before calling. */ in sctp_skb_recv_datagram()
8782 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_skb_recv_datagram()
8788 if (!skb_queue_empty_lockless(&sk->sk_receive_queue)) in sctp_skb_recv_datagram()
8793 error = -EAGAIN; in sctp_skb_recv_datagram()
8808 struct sock *sk = asoc->base.sk; in __sctp_write_space()
8813 if (waitqueue_active(&asoc->wait)) in __sctp_write_space()
8814 wake_up_interruptible(&asoc->wait); in __sctp_write_space()
8820 wq = rcu_dereference(sk->sk_wq); in __sctp_write_space()
8822 if (waitqueue_active(&wq->wait)) in __sctp_write_space()
8823 wake_up_interruptible(&wq->wait); in __sctp_write_space()
8829 if (!(sk->sk_shutdown & SEND_SHUTDOWN)) in __sctp_write_space()
8844 if (asoc->ep->sndbuf_policy) in sctp_wake_up_waiters()
8850 if (asoc->base.dead) in sctp_wake_up_waiters()
8866 if (&tmp->asocs == &((sctp_sk(sk))->ep->asocs)) in sctp_wake_up_waiters()
8882 struct sctp_chunk *chunk = skb_shinfo(skb)->destructor_arg; in sctp_wfree()
8883 struct sctp_association *asoc = chunk->asoc; in sctp_wfree()
8884 struct sock *sk = asoc->base.sk; in sctp_wfree()
8886 sk_mem_uncharge(sk, skb->truesize); in sctp_wfree()
8887 sk->sk_wmem_queued -= skb->truesize + sizeof(struct sctp_chunk); in sctp_wfree()
8888 asoc->sndbuf_used -= skb->truesize + sizeof(struct sctp_chunk); in sctp_wfree()
8890 &sk->sk_wmem_alloc)); in sctp_wfree()
8892 if (chunk->shkey) { in sctp_wfree()
8893 struct sctp_shared_key *shkey = chunk->shkey; in sctp_wfree()
8899 if (shkey->deactivated && !list_empty(&shkey->key_list) && in sctp_wfree()
8900 refcount_read(&shkey->refcnt) == 2) { in sctp_wfree()
8903 ev = sctp_ulpevent_make_authkey(asoc, shkey->key_id, in sctp_wfree()
8907 asoc->stream.si->enqueue_event(&asoc->ulpq, ev); in sctp_wfree()
8909 sctp_auth_shkey_release(chunk->shkey); in sctp_wfree()
8925 struct sock *sk = skb->sk; in sctp_sock_rfree()
8928 atomic_sub(event->rmem_len, &sk->sk_rmem_alloc); in sctp_sock_rfree()
8933 sk_mem_uncharge(sk, event->rmem_len); in sctp_sock_rfree()
8941 struct sock *sk = asoc->base.sk; in sctp_wait_for_sndbuf()
8954 prepare_to_wait_exclusive(&asoc->wait, &wait, in sctp_wait_for_sndbuf()
8956 if (asoc->base.dead) in sctp_wait_for_sndbuf()
8960 if (sk->sk_err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING) in sctp_wait_for_sndbuf()
8976 if (sk != asoc->base.sk) in sctp_wait_for_sndbuf()
8983 finish_wait(&asoc->wait, &wait); in sctp_wait_for_sndbuf()
8991 err = -ESRCH; in sctp_wait_for_sndbuf()
8995 err = -EPIPE; in sctp_wait_for_sndbuf()
9003 err = -EAGAIN; in sctp_wait_for_sndbuf()
9012 wq = rcu_dereference(sk->sk_wq); in sctp_data_ready()
9014 wake_up_interruptible_sync_poll(&wq->wait, EPOLLIN | in sctp_data_ready()
9026 list_for_each_entry(asoc, &((sctp_sk(sk))->ep->asocs), asocs) { in sctp_write_space()
9034 * associations on the same socket. For a UDP-style socket with
9038 * would cause an unwanted block under certain circumstances. For the 1-1
9039 * UDP-style sockets or TCP-style sockets, this code should work.
9040 * - Daisy
9044 return sk->sk_sndbuf > sk->sk_wmem_queued; in sctp_writeable()
9052 struct sock *sk = asoc->base.sk; in sctp_wait_for_connect()
9063 prepare_to_wait_exclusive(&asoc->wait, &wait, in sctp_wait_for_connect()
9067 if (sk->sk_shutdown & RCV_SHUTDOWN) in sctp_wait_for_connect()
9069 if (sk->sk_err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING || in sctp_wait_for_connect()
9070 asoc->base.dead) in sctp_wait_for_connect()
9089 finish_wait(&asoc->wait, &wait); in sctp_wait_for_connect()
9097 if (asoc->init_err_counter + 1 > asoc->max_init_attempts) in sctp_wait_for_connect()
9098 err = -ETIMEDOUT; in sctp_wait_for_connect()
9100 err = -ECONNREFUSED; in sctp_wait_for_connect()
9108 err = -EINPROGRESS; in sctp_wait_for_connect()
9118 ep = sctp_sk(sk)->ep; in sctp_wait_for_accept()
9125 if (list_empty(&ep->asocs)) { in sctp_wait_for_accept()
9131 err = -EINVAL; in sctp_wait_for_accept()
9136 if (!list_empty(&ep->asocs)) in sctp_wait_for_accept()
9143 err = -EAGAIN; in sctp_wait_for_accept()
9159 if (list_empty(&sctp_sk(sk)->ep->asocs)) in sctp_wait_for_close()
9173 if (!skb->data_len) in sctp_skb_set_owner_r_frag()
9189 struct sctp_sock *sp = sctp_sk(sk); in sctp_copy_sock() local
9190 struct sctp_endpoint *ep = sp->ep; in sctp_copy_sock()
9192 newsk->sk_type = sk->sk_type; in sctp_copy_sock()
9193 newsk->sk_bound_dev_if = sk->sk_bound_dev_if; in sctp_copy_sock()
9194 newsk->sk_flags = sk->sk_flags; in sctp_copy_sock()
9195 newsk->sk_tsflags = sk->sk_tsflags; in sctp_copy_sock()
9196 newsk->sk_no_check_tx = sk->sk_no_check_tx; in sctp_copy_sock()
9197 newsk->sk_no_check_rx = sk->sk_no_check_rx; in sctp_copy_sock()
9198 newsk->sk_reuse = sk->sk_reuse; in sctp_copy_sock()
9199 sctp_sk(newsk)->reuse = sp->reuse; in sctp_copy_sock()
9201 newsk->sk_shutdown = sk->sk_shutdown; in sctp_copy_sock()
9202 newsk->sk_destruct = sk->sk_destruct; in sctp_copy_sock()
9203 newsk->sk_family = sk->sk_family; in sctp_copy_sock()
9204 newsk->sk_protocol = IPPROTO_SCTP; in sctp_copy_sock()
9205 newsk->sk_backlog_rcv = sk->sk_prot->backlog_rcv; in sctp_copy_sock()
9206 newsk->sk_sndbuf = sk->sk_sndbuf; in sctp_copy_sock()
9207 newsk->sk_rcvbuf = sk->sk_rcvbuf; in sctp_copy_sock()
9208 newsk->sk_lingertime = sk->sk_lingertime; in sctp_copy_sock()
9209 newsk->sk_rcvtimeo = sk->sk_rcvtimeo; in sctp_copy_sock()
9210 newsk->sk_sndtimeo = sk->sk_sndtimeo; in sctp_copy_sock()
9211 newsk->sk_rxhash = sk->sk_rxhash; in sctp_copy_sock()
9218 newinet->inet_sport = inet->inet_sport; in sctp_copy_sock()
9219 newinet->inet_saddr = inet->inet_saddr; in sctp_copy_sock()
9220 newinet->inet_rcv_saddr = inet->inet_rcv_saddr; in sctp_copy_sock()
9221 newinet->inet_dport = htons(asoc->peer.port); in sctp_copy_sock()
9222 newinet->pmtudisc = inet->pmtudisc; in sctp_copy_sock()
9223 newinet->inet_id = prandom_u32(); in sctp_copy_sock()
9225 newinet->uc_ttl = inet->uc_ttl; in sctp_copy_sock()
9226 newinet->mc_loop = 1; in sctp_copy_sock()
9227 newinet->mc_ttl = 1; in sctp_copy_sock()
9228 newinet->mc_index = 0; in sctp_copy_sock()
9229 newinet->mc_list = NULL; in sctp_copy_sock()
9231 if (newsk->sk_flags & SK_FLAGS_TIMESTAMP) in sctp_copy_sock()
9245 ancestor_size += sk_from->sk_prot->obj_size; in sctp_copy_descendant()
9246 ancestor_size -= offsetof(struct sctp_sock, pd_lobby); in sctp_copy_descendant()
9260 struct sctp_endpoint *newep = newsp->ep; in sctp_sock_migrate()
9269 newsk->sk_sndbuf = oldsk->sk_sndbuf; in sctp_sock_migrate()
9270 newsk->sk_rcvbuf = oldsk->sk_rcvbuf; in sctp_sock_migrate()
9277 newsp->ep = newep; in sctp_sock_migrate()
9278 newsp->hmac = NULL; in sctp_sock_migrate()
9282 inet_sk(oldsk)->inet_num)]; in sctp_sock_migrate()
9283 spin_lock_bh(&head->lock); in sctp_sock_migrate()
9284 pp = sctp_sk(oldsk)->bind_hash; in sctp_sock_migrate()
9285 sk_add_bind_node(newsk, &pp->owner); in sctp_sock_migrate()
9286 sctp_sk(newsk)->bind_hash = pp; in sctp_sock_migrate()
9287 inet_sk(newsk)->inet_num = inet_sk(oldsk)->inet_num; in sctp_sock_migrate()
9288 spin_unlock_bh(&head->lock); in sctp_sock_migrate()
9293 err = sctp_bind_addr_dup(&newsp->ep->base.bind_addr, in sctp_sock_migrate()
9294 &oldsp->ep->base.bind_addr, GFP_KERNEL); in sctp_sock_migrate()
9299 * that net->sctp.auth_enable has been changed to 0 by users and in sctp_sock_migrate()
9302 if (oldsp->ep->auth_hmacs) { in sctp_sock_migrate()
9303 err = sctp_auth_init_hmacs(newsp->ep, GFP_KERNEL); in sctp_sock_migrate()
9313 sctp_skb_for_each(skb, &oldsk->sk_receive_queue, tmp) { in sctp_sock_migrate()
9315 if (event->asoc == assoc) { in sctp_sock_migrate()
9316 __skb_unlink(skb, &oldsk->sk_receive_queue); in sctp_sock_migrate()
9317 __skb_queue_tail(&newsk->sk_receive_queue, skb); in sctp_sock_migrate()
9326 * 3) Peeling off non-partial delivery; move pd_lobby to receive_queue. in sctp_sock_migrate()
9328 atomic_set(&sctp_sk(newsk)->pd_mode, assoc->ulpq.pd_mode); in sctp_sock_migrate()
9330 if (atomic_read(&sctp_sk(oldsk)->pd_mode)) { in sctp_sock_migrate()
9334 if (assoc->ulpq.pd_mode) { in sctp_sock_migrate()
9335 queue = &newsp->pd_lobby; in sctp_sock_migrate()
9337 queue = &newsk->sk_receive_queue; in sctp_sock_migrate()
9342 sctp_skb_for_each(skb, &oldsp->pd_lobby, tmp) { in sctp_sock_migrate()
9344 if (event->asoc == assoc) { in sctp_sock_migrate()
9345 __skb_unlink(skb, &oldsp->pd_lobby); in sctp_sock_migrate()
9354 if (assoc->ulpq.pd_mode) in sctp_sock_migrate()
9362 * original UDP-style socket or created with the accept() call on a in sctp_sock_migrate()
9363 * TCP-style socket.. in sctp_sock_migrate()
9365 newsp->type = type; in sctp_sock_migrate()
9367 /* Mark the new socket "in-use" by the user so that any packets in sctp_sock_migrate()
9370 * backlog processing on the old socket and new-packet processing in sctp_sock_migrate()
9386 newsk->sk_shutdown |= RCV_SHUTDOWN; in sctp_sock_migrate()
9420 .usersize = offsetof(struct sctp_sock, initmsg) -
9445 sk->sk_destruct = sctp_v6_destruct_sock; in sctp_v6_init_sock()
9472 .usersize = offsetof(struct sctp6_sock, sctp.initmsg) -