X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fsctp%2Fassociola.c;h=5db95caed0a321f2bc10bd11ec5061fa100c3df9;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=9d05e13e92f69c8f276db2f8a53bed71988ff1ea;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 9d05e13e9..5db95caed 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -61,7 +61,7 @@ #include /* Forward declarations for internal functions. */ -static void sctp_assoc_bh_rcv(struct sctp_association *asoc); +static void sctp_assoc_bh_rcv(struct work_struct *work); /* 1st Level Abstractions. */ @@ -269,9 +269,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a /* Create an input queue. */ sctp_inq_init(&asoc->base.inqueue); - sctp_inq_set_th_handler(&asoc->base.inqueue, - (void (*)(void *))sctp_assoc_bh_rcv, - asoc); + sctp_inq_set_th_handler(&asoc->base.inqueue, sctp_assoc_bh_rcv); /* Create an output queue. */ sctp_outq_init(asoc, &asoc->outqueue); @@ -300,6 +298,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a asoc->default_flags = sp->default_flags; asoc->default_context = sp->default_context; asoc->default_timetolive = sp->default_timetolive; + asoc->default_rcv_context = sp->default_rcv_context; return asoc; @@ -346,11 +345,18 @@ void sctp_association_free(struct sctp_association *asoc) struct list_head *pos, *temp; int i; - list_del(&asoc->asocs); + /* Only real associations count against the endpoint, so + * don't bother for if this is a temporary association. + */ + if (!asoc->temp) { + list_del(&asoc->asocs); - /* Decrement the backlog value for a TCP-style listening socket. */ - if (sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING)) - sk->sk_ack_backlog--; + /* Decrement the backlog value for a TCP-style listening + * socket. + */ + if (sctp_style(sk, TCP) && sctp_sstate(sk, LISTENING)) + sk->sk_ack_backlog--; + } /* Mark as dead, so other users can know this structure is * going away. @@ -441,7 +447,8 @@ void sctp_assoc_set_primary(struct sctp_association *asoc, /* If the primary path is changing, assume that the * user wants to use this new path. */ - if (transport->state != SCTP_INACTIVE) + if ((transport->state == SCTP_ACTIVE) || + (transport->state == SCTP_UNKNOWN)) asoc->peer.active_path = transport; /* @@ -480,7 +487,7 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc, " port: %d\n", asoc, (&peer->ipaddr), - peer->ipaddr.v4.sin_port); + ntohs(peer->ipaddr.v4.sin_port)); /* If we are to remove the current retran_path, update it * to the next peer before removing this peer from the list. @@ -529,14 +536,14 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc, sp = sctp_sk(asoc->base.sk); /* AF_INET and AF_INET6 share common port field. */ - port = addr->v4.sin_port; + port = ntohs(addr->v4.sin_port); SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_add_peer:association %p addr: ", - " port: %d state:%s\n", + " port: %d state:%d\n", asoc, addr, - addr->v4.sin_port, - peer_state == SCTP_UNKNOWN?"UNKNOWN":"ACTIVE"); + port, + peer_state); /* Set the port if it has not been set yet. */ if (0 == asoc->peer.port) @@ -545,9 +552,12 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc, /* Check to see if this is a duplicate. */ peer = sctp_assoc_lookup_paddr(asoc, addr); if (peer) { - if (peer_state == SCTP_ACTIVE && - peer->state == SCTP_UNKNOWN) - peer->state = SCTP_ACTIVE; + if (peer->state == SCTP_UNKNOWN) { + if (peer_state == SCTP_ACTIVE) + peer->state = SCTP_ACTIVE; + if (peer_state == SCTP_UNCONFIRMED) + peer->state = SCTP_UNCONFIRMED; + } return peer; } @@ -698,6 +708,7 @@ void sctp_assoc_control_transport(struct sctp_association *asoc, struct sctp_transport *first; struct sctp_transport *second; struct sctp_ulpevent *event; + struct sockaddr_storage addr; struct list_head *pos; int spc_state = 0; @@ -720,8 +731,9 @@ void sctp_assoc_control_transport(struct sctp_association *asoc, /* Generate and send a SCTP_PEER_ADDR_CHANGE notification to the * user. */ - event = sctp_ulpevent_make_peer_addr_change(asoc, - (struct sockaddr_storage *) &transport->ipaddr, + memset(&addr, 0, sizeof(struct sockaddr_storage)); + memcpy(&addr, &transport->ipaddr, transport->af_specific->sockaddr_len); + event = sctp_ulpevent_make_peer_addr_change(asoc, &addr, 0, spc_state, error, GFP_ATOMIC); if (event) sctp_ulpq_tail_event(&asoc->ulpq, event); @@ -739,7 +751,8 @@ void sctp_assoc_control_transport(struct sctp_association *asoc, list_for_each(pos, &asoc->peer.transport_addr_list) { t = list_entry(pos, struct sctp_transport, transports); - if (t->state == SCTP_INACTIVE) + if ((t->state == SCTP_INACTIVE) || + (t->state == SCTP_UNCONFIRMED)) continue; if (!first || t->last_time_heard > first->last_time_heard) { second = first; @@ -759,7 +772,8 @@ void sctp_assoc_control_transport(struct sctp_association *asoc, * [If the primary is active but not most recent, bump the most * recently used transport.] */ - if (asoc->peer.primary_path->state != SCTP_INACTIVE && + if (((asoc->peer.primary_path->state == SCTP_ACTIVE) || + (asoc->peer.primary_path->state == SCTP_UNKNOWN)) && first != asoc->peer.primary_path) { second = first; first = asoc->peer.primary_path; @@ -855,7 +869,7 @@ struct sctp_transport *sctp_assoc_lookup_tsn(struct sctp_association *asoc, struct list_head *entry, *pos; struct sctp_transport *transport; struct sctp_chunk *chunk; - __u32 key = htonl(tsn); + __be32 key = htonl(tsn); match = NULL; @@ -913,8 +927,8 @@ struct sctp_transport *sctp_assoc_is_match(struct sctp_association *asoc, sctp_read_lock(&asoc->base.addr_lock); - if ((asoc->base.bind_addr.port == laddr->v4.sin_port) && - (asoc->peer.port == paddr->v4.sin_port)) { + if ((htons(asoc->base.bind_addr.port) == laddr->v4.sin_port) && + (htons(asoc->peer.port) == paddr->v4.sin_port)) { transport = sctp_assoc_lookup_paddr(asoc, paddr); if (!transport) goto out; @@ -931,8 +945,11 @@ out: } /* Do delayed input processing. This is scheduled by sctp_rcv(). */ -static void sctp_assoc_bh_rcv(struct sctp_association *asoc) +static void sctp_assoc_bh_rcv(struct work_struct *work) { + struct sctp_association *asoc = + container_of(work, struct sctp_association, + base.inqueue.immediate); struct sctp_endpoint *ep; struct sctp_chunk *chunk; struct sock *sk; @@ -1054,7 +1071,7 @@ void sctp_assoc_update(struct sctp_association *asoc, transports); if (!sctp_assoc_lookup_paddr(asoc, &trans->ipaddr)) sctp_assoc_add_peer(asoc, &trans->ipaddr, - GFP_ATOMIC, SCTP_ACTIVE); + GFP_ATOMIC, trans->state); } asoc->ctsn_ack_point = asoc->next_tsn - 1; @@ -1094,7 +1111,8 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc) /* Try to find an active transport. */ - if (t->state != SCTP_INACTIVE) { + if ((t->state == SCTP_ACTIVE) || + (t->state == SCTP_UNKNOWN)) { break; } else { /* Keep track of the next transport in case @@ -1121,7 +1139,7 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc) " port: %d\n", asoc, (&t->ipaddr), - t->ipaddr.v4.sin_port); + ntohs(t->ipaddr.v4.sin_port)); } /* Choose the transport for sending a INIT packet. */ @@ -1146,7 +1164,7 @@ struct sctp_transport *sctp_assoc_choose_init_transport( " port: %d\n", asoc, (&t->ipaddr), - t->ipaddr.v4.sin_port); + ntohs(t->ipaddr.v4.sin_port)); return t; }