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sctp: clean up route lookup calls

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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
parent af1384703f
commit da0420bee2
4 changed files with 24 additions and 31 deletions
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12
net/sctp/protocol.c
View file

@ -463,17 +463,16 @@ static sctp_scope_t sctp_v4_scope(union sctp_addr *addr)
* addresses. If an association is passed, trys to get a dst entry with a
* source address that matches an address in the bind address list.
*/
static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
union sctp_addr *daddr,
union sctp_addr *saddr,
struct flowi *fl,
struct sock *sk)
static void sctp_v4_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
struct flowi *fl, struct sock *sk)
{
struct sctp_association *asoc = t->asoc;
struct rtable *rt;
struct flowi4 *fl4 = &fl->u.ip4;
struct sctp_bind_addr *bp;
struct sctp_sockaddr_entry *laddr;
struct dst_entry *dst = NULL;
union sctp_addr *daddr = &t->ipaddr;
union sctp_addr dst_saddr;
memset(fl4, 0x0, sizeof(struct flowi4));
@ -548,13 +547,12 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc,
out_unlock:
rcu_read_unlock();
out:
t->dst = dst;
if (dst)
SCTP_DEBUG_PRINTK("rt_dst:%pI4, rt_src:%pI4\n",
&rt->rt_dst, &rt->rt_src);
else
SCTP_DEBUG_PRINTK("NO ROUTE\n");
return dst;
}
/* For v4, the source address is cached in the route entry(dst). So no need