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>

2 files changed, 3 insertions, 3 deletions

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 4ba26d4040ed..14ee1e47720c 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -312,7 +312,7 @@ int ip_output(struct sk_buff *skb)
                             !(IPCB(skb)->flags & IPSKB_REROUTED));
 }
 
-int ip_queue_xmit(struct sk_buff *skb)
+int ip_queue_xmit(struct sk_buff *skb, struct flowi *fl)
 {
         struct sock *sk = skb->sk;
         struct inet_sock *inet = inet_sk(sk);
@@ -332,7 +332,7 @@ int ip_queue_xmit(struct sk_buff *skb)
                 goto packet_routed;
 
         /* Make sure we can route this packet. */
-        fl4 = &inet->cork.fl.u.ip4;
+        fl4 = &fl->u.ip4;
         rt = (struct rtable *)__sk_dst_check(sk, 0);
         if (rt == NULL) {
                 __be32 daddr;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 17388c7f49c4..882e0b0964d0 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -899,7 +899,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
                 TCP_ADD_STATS(sock_net(sk), TCP_MIB_OUTSEGS,
                               tcp_skb_pcount(skb));
 
-        err = icsk->icsk_af_ops->queue_xmit(skb);
+        err = icsk->icsk_af_ops->queue_xmit(skb, &inet->cork.fl);
         if (likely(err <= 0))
                 return err;