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| author |   David S. Miller <davem@davemloft.net> | 2012-07-11 21:27:49 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-07-11 21:27:49 -0700 |
| commit | 55be7a9c6074f749d617a7fc1914c9a23505438c (patch) | |
| tree | 507268878abc1c5f5476823264b6f9f8acefa205 /net/ipv4/tcp_ipv4.c | |
| parent | ipv4: Add ipv4_redirect() and ipv4_sk_redirect() helper functions. (diff) | |
| download | linux-dev-55be7a9c6074f749d617a7fc1914c9a23505438c.tar.xz linux-dev-55be7a9c6074f749d617a7fc1914c9a23505438c.zip | |
ipv4: Add redirect support to all protocol icmp error handlers.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 01545a3fc0f2..087a8488843f 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -321,6 +321,14 @@ static void do_pmtu_discovery(struct sock *sk, const struct iphdr *iph, u32 mtu) } /* else let the usual retransmit timer handle it */ } +static void do_redirect(struct sk_buff *skb, struct sock *sk) +{ + struct dst_entry *dst = __sk_dst_check(sk, 0); + + if (dst && dst->ops->redirect) + dst->ops->redirect(dst, skb); +} + /* * This routine is called by the ICMP module when it gets some * sort of error condition. If err < 0 then the socket should @@ -394,6 +402,9 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) } switch (type) { + case ICMP_REDIRECT: + do_redirect(icmp_skb, sk); + goto out; case ICMP_SOURCE_QUENCH: /* Just silently ignore these. */ goto out; |