2 #define __NET_VXLAN_H 1
4 #include <linux/skbuff.h>
5 #include <linux/netdevice.h>
8 #define VNI_HASH_BITS 10
9 #define VNI_HASH_SIZE (1<<VNI_HASH_BITS)
12 typedef void (vxlan_rcv_t)(struct vxlan_sock *vh, struct sk_buff *skb, __be32 key);
14 /* per UDP socket information */
16 struct hlist_node hlist;
19 struct work_struct del_work;
22 struct hlist_head vni_list[VNI_HASH_SIZE];
24 struct udp_offload udp_offloads;
27 struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port,
28 vxlan_rcv_t *rcv, void *data,
29 bool no_share, bool ipv6);
31 void vxlan_sock_release(struct vxlan_sock *vs);
33 int vxlan_xmit_skb(struct vxlan_sock *vs,
34 struct rtable *rt, struct sk_buff *skb,
35 __be32 src, __be32 dst, __u8 tos, __u8 ttl, __be16 df,
36 __be16 src_port, __be16 dst_port, __be32 vni);
38 __be16 vxlan_src_port(__u16 port_min, __u16 port_max, struct sk_buff *skb);
40 /* IP header + UDP + VXLAN + Ethernet header */
41 #define VXLAN_HEADROOM (20 + 8 + 8 + 14)
42 /* IPv6 header + UDP + VXLAN + Ethernet header */
43 #define VXLAN6_HEADROOM (40 + 8 + 8 + 14)
45 #if IS_ENABLED(CONFIG_VXLAN)
46 void vxlan_get_rx_port(struct net_device *netdev);
48 static inline void vxlan_get_rx_port(struct net_device *netdev)