| Pravin B Shelar | 012a572 | 2013-08-19 11:23:07 -0700 | [diff] [blame] | 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, |
| Cong Wang | e4c7ed4 | 2013-08-31 13:44:33 +0800 | [diff] [blame] | 28 | bool no_share, bool ipv6); |
| Pravin B Shelar | 012a572 | 2013-08-19 11:23:07 -0700 | [diff] [blame] | 29 | |
| 30 | void vxlan_sock_release(struct vxlan_sock *vs); |
| Pravin B Shelar | 4956053 | 2013-08-19 11:23:17 -0700 | [diff] [blame] | 31 | |
| Nicolas Dichtel | 1179618 | 2013-09-02 15:34:55 +0200 | [diff] [blame] | 32 | int vxlan_xmit_skb(struct vxlan_sock *vs, |
| Pravin B Shelar | 4956053 | 2013-08-19 11:23:17 -0700 | [diff] [blame] | 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 | |
| Joseph Gasparakis | e6cd988 | 2013-10-24 06:27:10 +0000 | [diff] [blame] | 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) |
| Joseph Gasparakis | 53cf5275 | 2013-09-04 02:13:38 -0700 | [diff] [blame] | 45 | void vxlan_get_rx_port(struct net_device *netdev); |
| Joseph Gasparakis | e6cd988 | 2013-10-24 06:27:10 +0000 | [diff] [blame] | 46 | #else |
| 47 | static inline void vxlan_get_rx_port(struct net_device *netdev) |
| 48 | { |
| 49 | } |
| 50 | #endif |
| Pravin B Shelar | 012a572 | 2013-08-19 11:23:07 -0700 | [diff] [blame] | 51 | #endif |