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Commit ac1fab2d authored by David Ahern's avatar David Ahern Committed by David S. Miller
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ipv4: export fib_check_nh 



Change fib_check_nh to take net, table and scope as input arguments
over struct fib_config and export for use by nexthop code.

Signed-off-by: default avatarDavid Ahern <dsahern@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1bff1a0c

include/net/ip_fib.h

+2 −0
Original line number Diff line number Diff line
@@ -436,6 +436,8 @@ void fib_sync_mtu(struct net_device *dev, u32 orig_mtu); 
int fib_multipath_hash(const struct net *net, const struct flowi4 *fl4,

		       const struct sk_buff *skb, struct flow_keys *flkeys);

#endif

int fib_check_nh(struct net *net, struct fib_nh *nh, u32 table, u8 scope,

		 struct netlink_ext_ack *extack);

void fib_select_multipath(struct fib_result *res, int hash);

void fib_select_path(struct net *net, struct fib_result *res,

		     struct flowi4 *fl4, const struct sk_buff *skb);

net/ipv4/fib_semantics.c

+6 −6
Original line number Diff line number Diff line
@@ -1092,15 +1092,13 @@ static int fib_check_nh_nongw(struct net *net, struct fib_nh *nh, 
	return err;

}



static int fib_check_nh(struct fib_config *cfg, struct fib_nh *nh,

int fib_check_nh(struct net *net, struct fib_nh *nh, u32 table, u8 scope,

		 struct netlink_ext_ack *extack)

{

	struct net *net = cfg->fc_nlinfo.nl_net;

	u32 table = cfg->fc_table;

	int err;



	if (nh->fib_nh_gw_family == AF_INET)

		err = fib_check_nh_v4_gw(net, nh, table, cfg->fc_scope, extack);

		err = fib_check_nh_v4_gw(net, nh, table, scope, extack);

	else if (nh->fib_nh_gw_family == AF_INET6)

		err = fib_check_nh_v6_gw(net, nh, table, extack);

	else
@@ -1377,7 +1375,9 @@ struct fib_info *fib_create_info(struct fib_config *cfg, 
		int linkdown = 0;



		change_nexthops(fi) {

			err = fib_check_nh(cfg, nexthop_nh, extack);

			err = fib_check_nh(cfg->fc_nlinfo.nl_net, nexthop_nh,

					   cfg->fc_table, cfg->fc_scope,

					   extack);

			if (err != 0)

				goto failure;

			if (nexthop_nh->fib_nh_flags & RTNH_F_LINKDOWN)