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vxlan: Extend vxlan handlers for openvswitch.

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Following patch adds data field to vxlan socket and export
vxlan handler api.
vh->data is required to store private data per vxlan handler.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pravin B Shelar
2013-08-19 11:23:07 -07:00
committed by David S. Miller
parent 5cfccc5a47
commit 012a5729ff
2 changed files with 50 additions and 26 deletions
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31
include/net/vxlan.h Normal file
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@@ -0,0 +1,31 @@
#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 vxlan_sock *vxlan_sock_add(struct net *net, __be16 port,
vxlan_rcv_t *rcv, void *data,
bool no_share);
void vxlan_sock_release(struct vxlan_sock *vs);
#endif