ipv4: Pass flow keys down into datagram packet building engine.
This way ip_output.c no longer needs rt->rt_{src,dst}.
We already have these keys sitting, ready and waiting, on the stack or
in a socket structure.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip.h b/include/net/ip.h
index acf8b78..a425379 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -117,12 +117,14 @@
extern ssize_t ip_append_page(struct sock *sk, struct page *page,
int offset, size_t size, int flags);
extern struct sk_buff *__ip_make_skb(struct sock *sk,
+ struct flowi4 *fl4,
struct sk_buff_head *queue,
struct inet_cork *cork);
extern int ip_send_skb(struct sk_buff *skb);
-extern int ip_push_pending_frames(struct sock *sk);
+extern int ip_push_pending_frames(struct sock *sk, struct flowi4 *fl4);
extern void ip_flush_pending_frames(struct sock *sk);
extern struct sk_buff *ip_make_skb(struct sock *sk,
+ struct flowi4 *fl4,
int getfrag(void *from, char *to, int offset, int len,
int odd, struct sk_buff *skb),
void *from, int length, int transhdrlen,
@@ -130,9 +132,9 @@
struct rtable **rtp,
unsigned int flags);
-static inline struct sk_buff *ip_finish_skb(struct sock *sk)
+static inline struct sk_buff *ip_finish_skb(struct sock *sk, struct flowi4 *fl4)
{
- return __ip_make_skb(sk, &sk->sk_write_queue, &inet_sk(sk)->cork.base);
+ return __ip_make_skb(sk, fl4, &sk->sk_write_queue, &inet_sk(sk)->cork.base);
}
/* datagram.c */