inet: Pass flowi to ->queue_xmit().
This allows us to acquire the exact route keying information from the
protocol, however that might be managed.
It handles all of the possibilities, from the simplest case of storing
the key in inet->cork.fl to the more complex setup SCTP has where
individual transports determine the flow.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 7853029..9be095e 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -954,7 +954,7 @@
}
static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb,
- size_t data_len)
+ struct flowi *fl, size_t data_len)
{
struct l2tp_tunnel *tunnel = session->tunnel;
unsigned int len = skb->len;
@@ -987,7 +987,7 @@
/* Queue the packet to IP for output */
skb->local_df = 1;
- error = ip_queue_xmit(skb);
+ error = ip_queue_xmit(skb, fl);
/* Update stats */
if (error >= 0) {
@@ -1028,6 +1028,7 @@
int data_len = skb->len;
struct l2tp_tunnel *tunnel = session->tunnel;
struct sock *sk = tunnel->sock;
+ struct flowi *fl;
struct udphdr *uh;
struct inet_sock *inet;
__wsum csum;
@@ -1070,10 +1071,11 @@
skb_dst_drop(skb);
skb_dst_set(skb, dst_clone(__sk_dst_get(sk)));
+ inet = inet_sk(sk);
+ fl = &inet->cork.fl;
switch (tunnel->encap) {
case L2TP_ENCAPTYPE_UDP:
/* Setup UDP header */
- inet = inet_sk(sk);
__skb_push(skb, sizeof(*uh));
skb_reset_transport_header(skb);
uh = udp_hdr(skb);
@@ -1111,7 +1113,7 @@
l2tp_skb_set_owner_w(skb, sk);
- l2tp_xmit_core(session, skb, data_len);
+ l2tp_xmit_core(session, skb, fl, data_len);
out_unlock:
bh_unlock_sock(sk);