diff options
Diffstat (limited to 'include/net/l3mdev.h')
| -rw-r--r-- | include/net/l3mdev.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h index 78872bd1dc2c..374388dc01c8 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, @@ -134,6 +136,34 @@ int l3mdev_get_saddr(struct net *net, int ifindex, struct flowi4 *fl4); struct dst_entry *l3mdev_get_rt6_dst(struct net *net, const struct flowi6 *fl6); +static inline +struct sk_buff *l3mdev_l3_rcv(struct sk_buff *skb, u16 proto) +{ + struct net_device *master = NULL; + + 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; + + if (master && master->l3mdev_ops->l3mdev_l3_rcv) + skb = master->l3mdev_ops->l3mdev_l3_rcv(master, skb, proto); + + return skb; +} + +static inline +struct sk_buff *l3mdev_ip_rcv(struct sk_buff *skb) +{ + return l3mdev_l3_rcv(skb, AF_INET); +} + +static inline +struct sk_buff *l3mdev_ip6_rcv(struct sk_buff *skb) +{ + return l3mdev_l3_rcv(skb, AF_INET6); +} + #else static inline int l3mdev_master_ifindex_rcu(const struct net_device *dev) @@ -194,6 +224,18 @@ struct dst_entry *l3mdev_get_rt6_dst(struct net *net, const struct flowi6 *fl6) { return NULL; } + +static inline +struct sk_buff *l3mdev_ip_rcv(struct sk_buff *skb) +{ + return skb; +} + +static inline +struct sk_buff *l3mdev_ip6_rcv(struct sk_buff *skb) +{ + return skb; +} #endif #endif /* _NET_L3MDEV_H_ */ |