2021-07-22 17:47:23

by Kangmin Park

Subject: [PATCH] ipv6: decrease hop limit counter in ip6_forward()

Decrease hop limit counter when deliver skb to ndp proxy.

Signed-off-by: Kangmin Park <[email protected]>
---
net/ipv6/ip6_output.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 01bea76e3891..aaaf9622cf2d 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -549,9 +549,10 @@ int ip6_forward(struct sk_buff *skb)
if (net->ipv6.devconf_all->proxy_ndp &&
pneigh_lookup(&nd_tbl, net, &hdr->daddr, skb->dev, 0)) {
int proxied = ip6_forward_proxy_check(skb);
- if (proxied > 0)
+ if (proxied > 0) {
+ hdr->hop_limit--;
return ip6_input(skb);
- else if (proxied < 0) {
+ } else if (proxied < 0) {
__IP6_INC_STATS(net, idev, IPSTATS_MIB_INDISCARDS);
goto drop;
}
--
2.26.2

2021-07-23 15:51:10

by patchwork-bot+netdevbpf

Subject: Re: [PATCH] ipv6: decrease hop limit counter in ip6_forward()

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Fri, 23 Jul 2021 02:44:43 +0900 you wrote:
> Decrease hop limit counter when deliver skb to ndp proxy.
>
> Signed-off-by: Kangmin Park <[email protected]>
> ---
> net/ipv6/ip6_output.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)

Here is the summary with links:
- ipv6: decrease hop limit counter in ip6_forward()
https://git.kernel.org/netdev/net/c/46c7655f0b56

You are awesome, thank you!
--
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