53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
#ifndef __NET_VXLAN_H
|
|
#define __NET_VXLAN_H 1
|
|
|
|
#include <linux/skbuff.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/udp.h>
|
|
|
|
#define VNI_HASH_BITS 10
|
|
#define VNI_HASH_SIZE (1<<VNI_HASH_BITS)
|
|
|
|
struct vxlan_sock;
|
|
typedef void (vxlan_rcv_t)(struct vxlan_sock *vh, struct sk_buff *skb, __be32 key);
|
|
|
|
/* per UDP socket information */
|
|
struct vxlan_sock {
|
|
struct hlist_node hlist;
|
|
vxlan_rcv_t *rcv;
|
|
void *data;
|
|
struct work_struct del_work;
|
|
struct socket *sock;
|
|
struct rcu_head rcu;
|
|
struct hlist_head vni_list[VNI_HASH_SIZE];
|
|
atomic_t refcnt;
|
|
struct udp_offload udp_offloads;
|
|
};
|
|
|
|
struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port,
|
|
vxlan_rcv_t *rcv, void *data,
|
|
bool no_share, bool ipv6);
|
|
|
|
void vxlan_sock_release(struct vxlan_sock *vs);
|
|
|
|
int vxlan_xmit_skb(struct vxlan_sock *vs,
|
|
struct rtable *rt, struct sk_buff *skb,
|
|
__be32 src, __be32 dst, __u8 tos, __u8 ttl, __be16 df,
|
|
__be16 src_port, __be16 dst_port, __be32 vni);
|
|
|
|
__be16 vxlan_src_port(__u16 port_min, __u16 port_max, struct sk_buff *skb);
|
|
|
|
/* IP header + UDP + VXLAN + Ethernet header */
|
|
#define VXLAN_HEADROOM (20 + 8 + 8 + 14)
|
|
/* IPv6 header + UDP + VXLAN + Ethernet header */
|
|
#define VXLAN6_HEADROOM (40 + 8 + 8 + 14)
|
|
|
|
#if IS_ENABLED(CONFIG_VXLAN)
|
|
void vxlan_get_rx_port(struct net_device *netdev);
|
|
#else
|
|
static inline void vxlan_get_rx_port(struct net_device *netdev)
|
|
{
|
|
}
|
|
#endif
|
|
#endif
|