Messages in this thread Patch in this message | | | Date | Sun, 23 Jan 2022 14:00:00 +0800 | From | Qing Deng <> | Subject | [PATCH] ip6_tunnel: allow routing IPv4 traffic in NBMA mode |
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Since IPv4 routes support IPv6 gateways now, we can route IPv4 traffic in NBMA tunnels.
Signed-off-by: Qing Deng <i@moy.cat> --- net/ipv6/ip6_tunnel.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index fe786df4f849..2bcffc3fc4ae 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 | base-commit: 1f40caa080474d0420e0b0e6c896e455acb6e236 -- 2.32.0 (Apple Git-132)
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