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authorHaishuang Yan <yanhaishuang@cmss.chinamobile.com>2017-09-07 08:08:35 +0200
committerDavid S. Miller <davem@davemloft.net>2017-09-09 05:47:10 +0200
commit18e1173d5f3615c8c2680853ba87830ad8a0febc (patch)
treeb73c88cfa2082645a7f056e9603469bc0f96cb11 /net/ipv6
parentip_tunnel: fix setting ttl and tos value in collect_md mode (diff)
downloadlinux-18e1173d5f3615c8c2680853ba87830ad8a0febc.tar.xz
linux-18e1173d5f3615c8c2680853ba87830ad8a0febc.zip
ip6_tunnel: fix setting hop_limit value for ipv6 tunnel
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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ip6_tunnel.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 3a0ba2ae4b0f..10a693a19323 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1184,6 +1184,7 @@ route_lookup:
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.