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authorDavid S. Miller <davem@davemloft.net>2012-07-11 21:27:49 -0700
committerDavid S. Miller <davem@davemloft.net>2012-07-11 21:27:49 -0700
commit55be7a9c6074f749d617a7fc1914c9a23505438c (patch)
tree507268878abc1c5f5476823264b6f9f8acefa205 /net/dccp
parentb42597e2f36e2043756aa7462faddf630962f061 (diff)
ipv4: Add redirect support to all protocol icmp error handlers.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/ipv4.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 3eb76b5f221a..8f41a3190858 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -195,6 +195,14 @@ static inline void dccp_do_pmtu_discovery(struct sock *sk,
} /* else let the usual retransmit timer handle it */
}
+static void dccp_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 be closed and the error
@@ -259,6 +267,9 @@ static void dccp_v4_err(struct sk_buff *skb, u32 info)
}
switch (type) {
+ case ICMP_REDIRECT:
+ dccp_do_redirect(skb, sk);
+ goto out;
case ICMP_SOURCE_QUENCH:
/* Just silently ignore these. */
goto out;

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