Messages in this thread Patch in this message | | | From | Haishuang Yan <> | Subject | [PATCH 2/2] ip6_tunnel: fix setting hop_limit value for ipv6 tunnel | Date | Thu, 7 Sep 2017 14:08:35 +0800 |
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Similar to vxlan/geneve tunnel, if hop_limit is zero, it should fall back to ip6_dst_hoplimt().
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> --- net/ipv6/ip6_tunnel.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 3a0ba2a..10a693a 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1184,6 +1184,7 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield, init_tel_txopt(&opt, encap_limit); ipv6_push_frag_opts(skb, &opt.ops, &proto); } + hop_limit = hop_limit ? : ip6_dst_hoplimit(dst); /* Calculate max headroom for all the headers and adjust * needed_headroom if necessary. -- 1.8.3.1
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