sctp: cache the ipv6 source after route lookup

[~andy/linux] / net / sctp / transport.c

diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index d3ae493d234aaebe0e60c97e17479659e4a4c181..2544b9b21f869e33202fff56d05cde86b974928a 100644 (file)
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -211,11 +211,15 @@ void sctp_transport_set_owner(struct sctp_transport *transport,
 }
 
 /* Initialize the pmtu of a transport. */
-void sctp_transport_pmtu(struct sctp_transport *transport)
+void sctp_transport_pmtu(struct sctp_transport *transport, struct sock *sk)
 {
        struct dst_entry *dst;
+       struct flowi fl;
 
-       dst = transport->af_specific->get_dst(NULL, &transport->ipaddr, NULL);
+       dst = transport->af_specific->get_dst(transport->asoc,
+                                             &transport->ipaddr,
+                                             &transport->saddr,
+                                             &fl, sk);
 
        if (dst) {
                transport->pathmtu = dst_mtu(dst);
@@ -272,15 +276,16 @@ void sctp_transport_route(struct sctp_transport *transport,
        struct sctp_af *af = transport->af_specific;
        union sctp_addr *daddr = &transport->ipaddr;
        struct dst_entry *dst;
+       struct flowi fl;
 
-       dst = af->get_dst(asoc, daddr, saddr);
+       dst = af->get_dst(asoc, daddr, saddr, &fl, sctp_opt2sk(opt));
+       transport->dst = dst;
 
        if (saddr)
                memcpy(&transport->saddr, saddr, sizeof(union sctp_addr));
        else
-               af->get_saddr(opt, asoc, dst, daddr, &transport->saddr);
+               af->get_saddr(opt, transport, daddr, &fl);
 
-       transport->dst = dst;
        if ((transport->param_flags & SPP_PMTUD_DISABLE) && transport->pathmtu) {
                return;
        }