atomic_add(sizeof(struct sctp_chunk),&sk->sk_rmem_alloc);
}
+struct sctp_input_cb {
+ union {
+ struct inet_skb_parm h4;
+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+ struct inet6_skb_parm h6;
+#endif
+ } header;
+ struct sctp_chunk *chunk;
+};
+#define SCTP_INPUT_CB(__skb) ((struct sctp_input_cb *)&((__skb)->cb[0]))
+
/*
* This is the routine which IP calls when receiving an SCTP packet.
*/
}
/* SCTP seems to always need a timestamp right now (FIXME) */
- if (skb->stamp.tv_sec == 0) {
- do_gettimeofday(&skb->stamp);
+ if (skb->tstamp.off_sec == 0) {
+ __net_timestamp(skb);
sock_enable_timestamp(sk);
}
ret = -ENOMEM;
goto discard_release;
}
+ SCTP_INPUT_CB(skb)->chunk = chunk;
sctp_rcv_set_owner_r(skb,sk);
sctp_bh_lock_sock(sk);
if (sock_owned_by_user(sk))
- sk_add_backlog(sk, (struct sk_buff *) chunk);
+ sk_add_backlog(sk, skb);
else
- sctp_backlog_rcv(sk, (struct sk_buff *) chunk);
+ sctp_backlog_rcv(sk, skb);
/* Release the sock and any reference counts we took in the
* lookup calls.
*/
int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
{
- struct sctp_chunk *chunk;
- struct sctp_inq *inqueue;
-
- /* One day chunk will live inside the skb, but for
- * now this works.
- */
- chunk = (struct sctp_chunk *) skb;
- inqueue = &chunk->rcvr->inqueue;
+ struct sctp_chunk *chunk = SCTP_INPUT_CB(skb)->chunk;
+ struct sctp_inq *inqueue = &chunk->rcvr->inqueue;
sctp_inq_push(inqueue, chunk);
return 0;
*
*/
void sctp_icmp_proto_unreachable(struct sock *sk,
- struct sctp_endpoint *ep,
struct sctp_association *asoc,
struct sctp_transport *t)
{
sctp_do_sm(SCTP_EVENT_T_OTHER,
SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
- asoc->state, asoc->ep, asoc, NULL,
+ asoc->state, asoc->ep, asoc, t,
GFP_ATOMIC);
}
/* Common lookup code for icmp/icmpv6 error handler. */
struct sock *sctp_err_lookup(int family, struct sk_buff *skb,
struct sctphdr *sctphdr,
- struct sctp_endpoint **epp,
struct sctp_association **app,
struct sctp_transport **tpp)
{
union sctp_addr daddr;
struct sctp_af *af;
struct sock *sk = NULL;
- struct sctp_endpoint *ep = NULL;
struct sctp_association *asoc = NULL;
struct sctp_transport *transport = NULL;
- *app = NULL; *epp = NULL; *tpp = NULL;
+ *app = NULL; *tpp = NULL;
af = sctp_get_af_specific(family);
if (unlikely(!af)) {
* packet.
*/
asoc = __sctp_lookup_association(&saddr, &daddr, &transport);
- if (!asoc) {
- /* If there is no matching association, see if it matches any
- * endpoint. This may happen for an ICMP error generated in
- * response to an INIT_ACK.
- */
- ep = __sctp_rcv_lookup_endpoint(&daddr);
- if (!ep) {
- return NULL;
- }
- }
+ if (!asoc)
+ return NULL;
- if (asoc) {
- sk = asoc->base.sk;
+ sk = asoc->base.sk;
- if (ntohl(sctphdr->vtag) != asoc->c.peer_vtag) {
- ICMP_INC_STATS_BH(ICMP_MIB_INERRORS);
- goto out;
- }
- } else
- sk = ep->base.sk;
+ if (ntohl(sctphdr->vtag) != asoc->c.peer_vtag) {
+ ICMP_INC_STATS_BH(ICMP_MIB_INERRORS);
+ goto out;
+ }
sctp_bh_lock_sock(sk);
if (sock_owned_by_user(sk))
NET_INC_STATS_BH(LINUX_MIB_LOCKDROPPEDICMPS);
- *epp = ep;
*app = asoc;
*tpp = transport;
return sk;
sock_put(sk);
if (asoc)
sctp_association_put(asoc);
- if (ep)
- sctp_endpoint_put(ep);
return NULL;
}
/* Common cleanup code for icmp/icmpv6 error handler. */
-void sctp_err_finish(struct sock *sk, struct sctp_endpoint *ep,
- struct sctp_association *asoc)
+void sctp_err_finish(struct sock *sk, struct sctp_association *asoc)
{
sctp_bh_unlock_sock(sk);
sock_put(sk);
if (asoc)
sctp_association_put(asoc);
- if (ep)
- sctp_endpoint_put(ep);
}
/*
int type = skb->h.icmph->type;
int code = skb->h.icmph->code;
struct sock *sk;
- struct sctp_endpoint *ep;
struct sctp_association *asoc;
struct sctp_transport *transport;
struct inet_sock *inet;
savesctp = skb->h.raw;
skb->nh.iph = iph;
skb->h.raw = (char *)sh;
- sk = sctp_err_lookup(AF_INET, skb, sh, &ep, &asoc, &transport);
+ sk = sctp_err_lookup(AF_INET, skb, sh, &asoc, &transport);
/* Put back, the original pointers. */
skb->nh.raw = saveip;
skb->h.raw = savesctp;
}
else {
if (ICMP_PROT_UNREACH == code) {
- sctp_icmp_proto_unreachable(sk, ep, asoc,
+ sctp_icmp_proto_unreachable(sk, asoc,
transport);
goto out_unlock;
}
}
out_unlock:
- sctp_err_finish(sk, ep, asoc);
+ sctp_err_finish(sk, asoc);
}
/*