include/net/vxlan.h

   1 #ifndef __NET_VXLAN_H
   2 #define __NET_VXLAN_H 1
   3
   4 #include <linux/skbuff.h>
   5 #include <linux/netdevice.h>
   6 #include <linux/udp.h>
   7
   8 #define VNI_HASH_BITS   10
   9 #define VNI_HASH_SIZE   (1<<VNI_HASH_BITS)
  10
  11 struct vxlan_sock;
  12 typedef void (vxlan_rcv_t)(struct vxlan_sock *vh, struct sk_buff *skb, __be32 key);
  13
  14 /* per UDP socket information */
  15 struct vxlan_sock {
  16         struct hlist_node hlist;
  17         vxlan_rcv_t      *rcv;
  18         void             *data;
  19         struct work_struct del_work;
  20         struct socket    *sock;
  21         struct rcu_head   rcu;
  22         struct hlist_head vni_list[VNI_HASH_SIZE];
  23         atomic_t          refcnt;
  24 };
  25
  26 struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port,
  27                                   vxlan_rcv_t *rcv, void *data,
  28                                   bool no_share, bool ipv6);
  29
  30 void vxlan_sock_release(struct vxlan_sock *vs);
  31
  32 int vxlan_xmit_skb(struct vxlan_sock *vs,
  33                    struct rtable *rt, struct sk_buff *skb,
  34                    __be32 src, __be32 dst, __u8 tos, __u8 ttl, __be16 df,
  35                    __be16 src_port, __be16 dst_port, __be32 vni);
  36
  37 __be16 vxlan_src_port(__u16 port_min, __u16 port_max, struct sk_buff *skb);
  38
  39 void vxlan_get_rx_port(struct net_device *netdev);
  40 #endif