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sctp: clean up route lookup calls

Forráskód böngészése 
Change the call to take the transport parameter and set the
cached 'dst' appropriately inside the get_dst() function calls.

This will allow us in the future  to clean up source address
storage as well.

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
2011-04-26 21:54:17 +00:00
committed by David S. Miller
szülő af1384703f
commit da0420bee2
4 fájl változott, egészen pontosan 24 új sor hozzáadva és 31 régi sor törölve
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23
net/sctp/transport.c
Fájl megtekintése

@@ -213,17 +213,17 @@ void sctp_transport_set_owner(struct sctp_transport *transport,
/* Initialize the pmtu of a 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(transport->asoc,
&transport->ipaddr,
&transport->saddr,
/* If we don't have a fresh route, look one up */
if (!transport->dst || transport->dst->obsolete > 1) {
dst_release(transport->dst);
transport->af_specific->get_dst(transport, &transport->saddr,
&fl, sk);
}
if (dst) {
transport->pathmtu = dst_mtu(dst);
dst_release(dst);
if (transport->dst) {
transport->pathmtu = dst_mtu(transport->dst);
} else
transport->pathmtu = SCTP_DEFAULT_MAXSEGMENT;
}
@@ -274,12 +274,9 @@ void sctp_transport_route(struct sctp_transport *transport,
{
struct sctp_association *asoc = transport->asoc;
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, &fl, sctp_opt2sk(opt));
transport->dst = dst;
af->get_dst(transport, saddr, &fl, sctp_opt2sk(opt));
if (saddr)
memcpy(&transport->saddr, saddr, sizeof(union sctp_addr));
@@ -289,8 +286,8 @@ void sctp_transport_route(struct sctp_transport *transport,
if ((transport->param_flags & SPP_PMTUD_DISABLE) && transport->pathmtu) {
return;
}
if (dst) {
transport->pathmtu = dst_mtu(dst);
if (transport->dst) {
transport->pathmtu = dst_mtu(transport->dst);
/* Initialize sk->sk_rcv_saddr, if the transport is the
* association's active path for getsockname().