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ipv4: Allow routes to use nexthop objects

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Add support for RTA_NH_ID attribute to allow a user to specify a
nexthop id to use with a route. fc_nh_id is added to fib_config to
hold the value passed in the RTA_NH_ID attribute. If a nexthop id
is given, the gateway, device, encap and multipath attributes can
not be set.

Update fib_nh_match to check ids on a route delete.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2019-06-08 14:53:32 -07:00
committed by David S. Miller
parent 2d44234bf9
commit 493ced1ac4
3 changed files with 35 additions and 0 deletions
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include/net/ip_fib.h
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@@ -40,6 +40,7 @@ struct fib_config {
u32 fc_flags;
u32 fc_priority;
__be32 fc_prefsrc;
u32 fc_nh_id;
struct nlattr *fc_mx;
struct rtnexthop *fc_mp;
int fc_mx_len;