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Diffstat (limited to 'include/net/l3mdev.h')
-rw-r--r--include/net/l3mdev.h68
1 files changed, 30 insertions, 38 deletions
diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h
index c43a9c73d..374388dc0 100644
--- a/include/net/l3mdev.h
+++ b/include/net/l3mdev.h
@@ -25,6 +25,8 @@
struct l3mdev_ops {
u32 (*l3mdev_fib_table)(const struct net_device *dev);
+ struct sk_buff * (*l3mdev_l3_rcv)(struct net_device *dev,
+ struct sk_buff *skb, u16 proto);
/* IPv4 ops */
struct rtable * (*l3mdev_get_rtable)(const struct net_device *dev,
@@ -130,51 +132,36 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
return rc;
}
-static inline int l3mdev_get_saddr(struct net *net, int ifindex,
- struct flowi4 *fl4)
-{
- struct net_device *dev;
- int rc = 0;
+int l3mdev_get_saddr(struct net *net, int ifindex, struct flowi4 *fl4);
- if (ifindex) {
+struct dst_entry *l3mdev_get_rt6_dst(struct net *net, const struct flowi6 *fl6);
- rcu_read_lock();
+static inline
+struct sk_buff *l3mdev_l3_rcv(struct sk_buff *skb, u16 proto)
+{
+ struct net_device *master = NULL;
- dev = dev_get_by_index_rcu(net, ifindex);
- if (dev && netif_is_l3_master(dev) &&
- dev->l3mdev_ops->l3mdev_get_saddr) {
- rc = dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4);
- }
+ if (netif_is_l3_slave(skb->dev))
+ master = netdev_master_upper_dev_get_rcu(skb->dev);
+ else if (netif_is_l3_master(skb->dev))
+ master = skb->dev;
- rcu_read_unlock();
- }
+ if (master && master->l3mdev_ops->l3mdev_l3_rcv)
+ skb = master->l3mdev_ops->l3mdev_l3_rcv(master, skb, proto);
- return rc;
+ return skb;
}
-static inline struct dst_entry *l3mdev_get_rt6_dst(const struct net_device *dev,
- const struct flowi6 *fl6)
+static inline
+struct sk_buff *l3mdev_ip_rcv(struct sk_buff *skb)
{
- if (netif_is_l3_master(dev) && dev->l3mdev_ops->l3mdev_get_rt6_dst)
- return dev->l3mdev_ops->l3mdev_get_rt6_dst(dev, fl6);
-
- return NULL;
+ return l3mdev_l3_rcv(skb, AF_INET);
}
static inline
-struct dst_entry *l3mdev_rt6_dst_by_oif(struct net *net,
- const struct flowi6 *fl6)
+struct sk_buff *l3mdev_ip6_rcv(struct sk_buff *skb)
{
- struct dst_entry *dst = NULL;
- struct net_device *dev;
-
- dev = dev_get_by_index(net, fl6->flowi6_oif);
- if (dev) {
- dst = l3mdev_get_rt6_dst(dev, fl6);
- dev_put(dev);
- }
-
- return dst;
+ return l3mdev_l3_rcv(skb, AF_INET6);
}
#else
@@ -233,16 +220,21 @@ static inline int l3mdev_get_saddr(struct net *net, int ifindex,
}
static inline
-struct dst_entry *l3mdev_get_rt6_dst(const struct net_device *dev,
- const struct flowi6 *fl6)
+struct dst_entry *l3mdev_get_rt6_dst(struct net *net, const struct flowi6 *fl6)
{
return NULL;
}
+
static inline
-struct dst_entry *l3mdev_rt6_dst_by_oif(struct net *net,
- const struct flowi6 *fl6)
+struct sk_buff *l3mdev_ip_rcv(struct sk_buff *skb)
{
- return NULL;
+ return skb;
+}
+
+static inline
+struct sk_buff *l3mdev_ip6_rcv(struct sk_buff *skb)
+{
+ return skb;
}
#endif