diff options
author | Qing Deng <i@moy.cat> | 2022-01-23 14:00:00 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2022-01-25 10:49:25 +0000 |
commit | c1f55c5e0482e095b1d0d6721e4e56fcb44fe001 (patch) | |
tree | a0f4c4cf086d34f80de0f6f8d7fdb485aea23d0a | |
parent | 53243d412ec59e2937f1e25beaa0fdca3259227f (diff) | |
download | linux-c1f55c5e0482e095b1d0d6721e4e56fcb44fe001.tar.bz2 |
ip6_tunnel: allow routing IPv4 traffic in NBMA mode
Since IPv4 routes support IPv6 gateways now, we can route IPv4 traffic in
NBMA tunnels.
Signed-off-by: Qing Deng <i@moy.cat>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | net/ipv6/ip6_tunnel.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 97ade833f58c..b47ffc81f9e5 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1121,6 +1121,11 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield, memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr)); neigh_release(neigh); + } else if (skb->protocol == htons(ETH_P_IP)) { + struct rtable *rt = skb_rtable(skb); + + if (rt->rt_gw_family == AF_INET6) + memcpy(&fl6->daddr, &rt->rt_gw6, sizeof(fl6->daddr)); } } else if (t->parms.proto != 0 && !(t->parms.flags & (IP6_TNL_F_USE_ORIG_TCLASS | |