diff options
| author | Kangmin Park <l4stpr0gr4m@gmail.com> | 2021-07-22 19:44:43 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-23 17:40:41 +0200 |
| commit | 46c7655f0b56b1ac864115441064cde9ed124f4a (patch) | |
| tree | 26b08c9b6331e0b8f2061cd647846d92ce916231 /net/ipv6 | |
| parent | net: Set true network header for ECN decapsulation (diff) | |
| download | linux-46c7655f0b56b1ac864115441064cde9ed124f4a.tar.xz linux-46c7655f0b56b1ac864115441064cde9ed124f4a.zip | |
ipv6: decrease hop limit counter in ip6_forward()
Decrease hop limit counter when deliver skb to ndp proxy.
Signed-off-by: Kangmin Park <l4stpr0gr4m@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/ip6_output.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index e1b9f7ac8bad..8e6ca9ad6812 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; } |