Commit | Line | Data |
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012a5729 PS |
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, | |
e4c7ed41 | 28 | bool no_share, bool ipv6); |
012a5729 PS |
29 | |
30 | void vxlan_sock_release(struct vxlan_sock *vs); | |
49560532 | 31 | |
11796187 | 32 | int vxlan_xmit_skb(struct vxlan_sock *vs, |
49560532 PS |
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 | ||
e6cd988c JG |
39 | /* IP header + UDP + VXLAN + Ethernet header */ |
40 | #define VXLAN_HEADROOM (20 + 8 + 8 + 14) | |
41 | /* IPv6 header + UDP + VXLAN + Ethernet header */ | |
42 | #define VXLAN6_HEADROOM (40 + 8 + 8 + 14) | |
43 | ||
44 | #if IS_ENABLED(CONFIG_VXLAN) | |
53cf5275 | 45 | void vxlan_get_rx_port(struct net_device *netdev); |
e6cd988c JG |
46 | #else |
47 | static inline void vxlan_get_rx_port(struct net_device *netdev) | |
48 | { | |
49 | } | |
50 | #endif | |
012a5729 | 51 | #endif |