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sctp: Release all routes when processing acks ADD_IP or DEL_IP

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When processing an ACK for ADD_IP parameter, we only release
the routes on non-active transports.  This can cause a wrong
source address to be used.  We can release the routes and
cause new route lookups and source address selection so that
new addresses can be used as source.  Additionally, we don't need
to lookup routes for all transports at the same time.  We can let
the transmit code path update the cached route when the transport
actually sends something.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich 2011-04-18 19:15:22 +00:00 committed by David S. Miller
parent ee9cbaca7d
commit c6ef006bf5
1 changed files with 2 additions and 6 deletions
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8
net/sctp/sm_make_chunk.c
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@ -3193,11 +3193,8 @@ static void sctp_asconf_param_success(struct sctp_association *asoc,
local_bh_enable();
list_for_each_entry(transport, &asoc->peer.transport_addr_list,
transports) {
if (transport->state == SCTP_ACTIVE)
continue;
dst_release(transport->dst);
sctp_transport_route(transport, NULL,
sctp_sk(asoc->base.sk));
transport->dst = NULL;
}
break;
case SCTP_PARAM_DEL_IP:
@ -3207,8 +3204,7 @@ static void sctp_asconf_param_success(struct sctp_association *asoc,
list_for_each_entry(transport, &asoc->peer.transport_addr_list,
transports) {
dst_release(transport->dst);
sctp_transport_route(transport, NULL,
sctp_sk(asoc->base.sk));
transport->dst = NULL;
}
break;
default: