From 6de9c0557e4fc7e1b2f8ed6178aad32f64e1d7da Mon Sep 17 00:00:00 2001 From: David Ahern Date: Fri, 5 Apr 2019 16:30:36 -0700 Subject: [PATCH] ipv4: Handle ipv6 gateway in ipv4_confirm_neigh Update ipv4_confirm_neigh to handle an ipv6 gateway. Signed-off-by: David Ahern Signed-off-by: David S. Miller --- net/ipv4/route.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 32ecb4c1c7e3..efa6a36cbfff 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -465,13 +465,15 @@ static void ipv4_confirm_neigh(const struct dst_entry *dst, const void *daddr) struct net_device *dev = dst->dev; const __be32 *pkey = daddr; - if (rt->rt_gw_family == AF_INET) + if (rt->rt_gw_family == AF_INET) { pkey = (const __be32 *)&rt->rt_gw4; - else if (!daddr || + } else if (rt->rt_gw_family == AF_INET6) { + return __ipv6_confirm_neigh_stub(dev, &rt->rt_gw6); + } else if (!daddr || (rt->rt_flags & - (RTCF_MULTICAST | RTCF_BROADCAST | RTCF_LOCAL))) + (RTCF_MULTICAST | RTCF_BROADCAST | RTCF_LOCAL))) { return; - + } __ipv4_confirm_neigh(dev, *(__force u32 *)pkey); } -- 2.20.1