net: l3mdev: remove get_rtable method

No longer used
Signed-off-by: NDavid Ahern <dsa@cumulusnetworks.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/vrf.c

@@ -843,26 +843,6 @@ static u32 vrf_fib_table(const struct net_device *dev)
 	return vrf->tb_id;
 }
 
-static struct rtable *vrf_get_rtable(const struct net_device *dev,
-				     const struct flowi4 *fl4)
-{
-	struct rtable *rth = NULL;
-
-	if (!(fl4->flowi4_flags & FLOWI_FLAG_L3MDEV_SRC)) {
-		struct net_vrf *vrf = netdev_priv(dev);
-
-		rcu_read_lock();
-
-		rth = rcu_dereference(vrf->rth);
-		if (likely(rth))
-			dst_hold(&rth->dst);
-
-		rcu_read_unlock();
-	}
-
-	return rth;
-}
-
 static int vrf_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
 	return 0;
@@ -1088,7 +1068,6 @@ static struct dst_entry *vrf_link_scope_lookup(const struct net_device *dev,
 
 static const struct l3mdev_ops vrf_l3mdev_ops = {
 	.l3mdev_fib_table	= vrf_fib_table,
-	.l3mdev_get_rtable	= vrf_get_rtable,
 	.l3mdev_l3_rcv		= vrf_l3_rcv,
 	.l3mdev_l3_out		= vrf_l3_out,
 #if IS_ENABLED(CONFIG_IPV6)

include/net/l3mdev.h

@@ -23,8 +23,6 @@
  *
  * @l3mdev_l3_out:    Hook in L3 output path
  *
- * @l3mdev_get_rtable: Get cached IPv4 rtable (dst_entry) for device
- *
  * @l3mdev_link_scope_lookup: IPv6 lookup for linklocal and mcast destinations
  */
 
@@ -36,10 +34,6 @@ struct l3mdev_ops {
 					  struct sock *sk, struct sk_buff *skb,
 					  u16 proto);
 
-	/* IPv4 ops */
-	struct rtable *	(*l3mdev_get_rtable)(const struct net_device *dev,
-					     const struct flowi4 *fl4);
-
 	/* IPv6 ops */
 	struct dst_entry * (*l3mdev_link_scope_lookup)(const struct net_device *dev,
 						 struct flowi6 *fl6);
@@ -120,15 +114,6 @@ static inline u32 l3mdev_fib_table(const struct net_device *dev)
 	return tb_id;
 }
 
-static inline struct rtable *l3mdev_get_rtable(const struct net_device *dev,
-					       const struct flowi4 *fl4)
-{
-	if (netif_is_l3_master(dev) && dev->l3mdev_ops->l3mdev_get_rtable)
-		return dev->l3mdev_ops->l3mdev_get_rtable(dev, fl4);
-
-	return NULL;
-}
-
 static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
 {
 	struct net_device *dev;
@@ -241,12 +226,6 @@ static inline u32 l3mdev_fib_table_by_index(struct net *net, int ifindex)
 	return 0;
 }
 
-static inline struct rtable *l3mdev_get_rtable(const struct net_device *dev,
-					       const struct flowi4 *fl4)
-{
-	return NULL;
-}
-
 static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
 {
 	return false;