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ipv4: Prepare for fib6_nh from a nexthop object

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Convert more IPv4 code to use fib_nh_common over fib_nh to enable routes
to use a fib6_nh based nexthop. In the end, only code not using a
nexthop object in a fib_info should directly access fib_nh in a fib_info
without checking the famiy and going through fib_nh_common. Those
functions will be marked when it is not directly evident.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2019-06-03 20:19:50 -07:00
committed by David S. Miller
parent 5481d73f81
commit dcb1ecb50e
7 changed files with 69 additions and 37 deletions
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2
net/ipv4/route.c
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@@ -1585,7 +1585,7 @@ static void rt_set_nexthop(struct rtable *rt, __be32 daddr,
ip_dst_init_metrics(&rt->dst, fi->fib_metrics);
#ifdef CONFIG_IP_ROUTE_CLASSID
{
if (nhc->nhc_family == AF_INET) {
struct fib_nh *nh;
nh = container_of(nhc, struct fib_nh, nh_common);