GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-22 14:52:34 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

ipv4: Add redirect support to all protocol icmp error handlers.

Browse source 
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-07-11 21:27:49 -07:00
parent b42597e2f3
commit 55be7a9c60
12 changed files with 110 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

11
net/ipv4/tcp_ipv4.c
View file

@ -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;