ipv4: fib: Remove unused functions

Previous patches converted users of these functions to provide offload
indication using the nexthop's flags instead of the FIB info's.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/ip_fib.h

@@ -124,7 +124,6 @@ struct fib_info {
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
 	int			fib_weight;
 #endif
-	unsigned int		fib_offload_cnt;
 	struct rcu_head		rcu;
 	struct fib_nh		fib_nh[0];
 #define fib_dev		fib_nh[0].nh_dev
@@ -177,18 +176,6 @@ struct fib_result_nl {
 
 __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh);
 
-static inline void fib_info_offload_inc(struct fib_info *fi)
-{
-	fi->fib_offload_cnt++;
-	fi->fib_flags |= RTNH_F_OFFLOAD;
-}
-
-static inline void fib_info_offload_dec(struct fib_info *fi)
-{
-	if (--fi->fib_offload_cnt == 0)
-		fi->fib_flags &= ~RTNH_F_OFFLOAD;
-}
-
 #define FIB_RES_SADDR(net, res)				\
 	((FIB_RES_NH(res).nh_saddr_genid ==		\
 	  atomic_read(&(net)->ipv4.dev_addr_genid)) ?	\