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authorSridhar Samudrala <sri@us.ibm.com>2006-07-21 14:49:25 -0700
committerDavid S. Miller <davem@davemloft.net>2006-07-21 14:49:25 -0700
commitdc022a9874d026c7d1635ae66d1afafc5f053731 (patch)
tree3a1feddee57eabd788311e2433e922b59036e903 /net/sctp/sm_make_chunk.c
parent9faa730f1cbb951e95cb18e71b0fe265014c2450 (diff)
[SCTP]: ADDIP: Don't use an address as source until it is ASCONF-ACKed
This implements Rules D1 and D4 of Sec 4.3 in the ADDIP draft. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 8134e8b1cdc..4f11f585820 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1493,7 +1493,7 @@ no_hmac:
/* Also, add the destination address. */
if (list_empty(&retval->base.bind_addr.address_list)) {
- sctp_add_bind_addr(&retval->base.bind_addr, &chunk->dest,
+ sctp_add_bind_addr(&retval->base.bind_addr, &chunk->dest, 1,
GFP_ATOMIC);
}
@@ -2565,6 +2565,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc,
union sctp_addr_param *addr_param;
struct list_head *pos;
struct sctp_transport *transport;
+ struct sctp_sockaddr_entry *saddr;
int retval = 0;
addr_param = (union sctp_addr_param *)
@@ -2578,7 +2579,11 @@ static int sctp_asconf_param_success(struct sctp_association *asoc,
case SCTP_PARAM_ADD_IP:
sctp_local_bh_disable();
sctp_write_lock(&asoc->base.addr_lock);
- retval = sctp_add_bind_addr(bp, &addr, GFP_ATOMIC);
+ list_for_each(pos, &bp->address_list) {
+ saddr = list_entry(pos, struct sctp_sockaddr_entry, list);
+ if (sctp_cmp_addr_exact(&saddr->a, &addr))
+ saddr->use_as_src = 1;
+ }
sctp_write_unlock(&asoc->base.addr_lock);
sctp_local_bh_enable();
break;
@@ -2591,6 +2596,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc,
list_for_each(pos, &asoc->peer.transport_addr_list) {
transport = list_entry(pos, struct sctp_transport,
transports);
+ dst_release(transport->dst);
sctp_transport_route(transport, NULL,
sctp_sk(asoc->base.sk));
}