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ipv4: Show that ip_send_reply() is purely unicast routine.

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Rename it to ip_send_unicast_reply() and add explicit 'saddr'
argument.

This removed one of the few users of rt->rt_spec_dst.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2012-06-28 03:21:41 -07:00
parent 160eb5a6b1
commit 70e7341673
3 changed files with 12 additions and 10 deletions
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9
net/ipv4/ip_output.c
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@@ -1459,13 +1459,14 @@ static int ip_reply_glue_bits(void *dptr, char *to, int offset,
/*
* Generic function to send a packet as reply to another packet.
* Used to send TCP resets so far. ICMP should use this function too.
* Used to send TCP resets so far.
*
* Should run single threaded per socket because it uses the sock
* structure to pass arguments.
*/
void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
const struct ip_reply_arg *arg, unsigned int len)
void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
__be32 saddr, const struct ip_reply_arg *arg,
unsigned int len)
{
struct inet_sock *inet = inet_sk(sk);
struct ip_options_data replyopts;
@@ -1491,7 +1492,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
RT_TOS(arg->tos),
RT_SCOPE_UNIVERSE, sk->sk_protocol,
ip_reply_arg_flowi_flags(arg),
daddr, rt->rt_spec_dst,
daddr, saddr,
tcp_hdr(skb)->source, tcp_hdr(skb)->dest);
security_skb_classify_flow(skb, flowi4_to_flowi(&fl4));
rt = ip_route_output_key(sock_net(sk), &fl4);