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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - include/net/vxlan.h
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 #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
37 struct vxlan_sock
*vxlan_sock_add(struct net
*net
, __be16 port
,
38 vxlan_rcv_t
*rcv
, void *data
,
39 bool no_share
, u32 flags
);
41 void vxlan_sock_release(struct vxlan_sock
*vs
);
43 int vxlan_xmit_skb(struct vxlan_sock
*vs
,
44 struct rtable
*rt
, struct sk_buff
*skb
,
45 __be32 src
, __be32 dst
, __u8 tos
, __u8 ttl
, __be16 df
,
46 __be16 src_port
, __be16 dst_port
, __be32 vni
, bool xnet
);
48 __be16
vxlan_src_port(__u16 port_min
, __u16 port_max
, struct sk_buff
*skb
);
50 /* IP header + UDP + VXLAN + Ethernet header */
51 #define VXLAN_HEADROOM (20 + 8 + 8 + 14)
52 /* IPv6 header + UDP + VXLAN + Ethernet header */
53 #define VXLAN6_HEADROOM (40 + 8 + 8 + 14)
55 #if IS_ENABLED(CONFIG_VXLAN)
56 void vxlan_get_rx_port(struct net_device
*netdev
);
58 static inline void vxlan_get_rx_port(struct net_device
*netdev
)