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; | |
dc01e7d3 | 24 | struct udp_offload udp_offloads; |
012a5729 PS |
25 | }; |
26 | ||
359a0ea9 TH |
27 | #define VXLAN_F_LEARN 0x01 |
28 | #define VXLAN_F_PROXY 0x02 | |
29 | #define VXLAN_F_RSC 0x04 | |
30 | #define VXLAN_F_L2MISS 0x08 | |
31 | #define VXLAN_F_L3MISS 0x10 | |
32 | #define VXLAN_F_IPV6 0x20 | |
33 | #define VXLAN_F_UDP_CSUM 0x40 | |
34 | #define VXLAN_F_UDP_ZERO_CSUM6_TX 0x80 | |
35 | #define VXLAN_F_UDP_ZERO_CSUM6_RX 0x100 | |
36 | ||
012a5729 PS |
37 | struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port, |
38 | vxlan_rcv_t *rcv, void *data, | |
359a0ea9 | 39 | bool no_share, u32 flags); |
012a5729 PS |
40 | |
41 | void vxlan_sock_release(struct vxlan_sock *vs); | |
49560532 | 42 | |
11796187 | 43 | int vxlan_xmit_skb(struct vxlan_sock *vs, |
49560532 PS |
44 | struct rtable *rt, struct sk_buff *skb, |
45 | __be32 src, __be32 dst, __u8 tos, __u8 ttl, __be16 df, | |
f01ec1c0 | 46 | __be16 src_port, __be16 dst_port, __be32 vni, bool xnet); |
49560532 | 47 | |
e6cd988c JG |
48 | /* IP header + UDP + VXLAN + Ethernet header */ |
49 | #define VXLAN_HEADROOM (20 + 8 + 8 + 14) | |
50 | /* IPv6 header + UDP + VXLAN + Ethernet header */ | |
51 | #define VXLAN6_HEADROOM (40 + 8 + 8 + 14) | |
52 | ||
53 | #if IS_ENABLED(CONFIG_VXLAN) | |
53cf5275 | 54 | void vxlan_get_rx_port(struct net_device *netdev); |
e6cd988c JG |
55 | #else |
56 | static inline void vxlan_get_rx_port(struct net_device *netdev) | |
57 | { | |
58 | } | |
59 | #endif | |
012a5729 | 60 | #endif |