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19#ifndef VPORT_H
20#define VPORT_H 1
21
22#include <linux/if_tunnel.h>
23#include <linux/list.h>
24#include <linux/netlink.h>
25#include <linux/openvswitch.h>
26#include <linux/reciprocal_div.h>
27#include <linux/skbuff.h>
28#include <linux/spinlock.h>
29#include <linux/u64_stats_sync.h>
30
31#include "datapath.h"
32
33struct vport;
34struct vport_parms;
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37
38int ovs_vport_init(void);
39void ovs_vport_exit(void);
40
41struct vport *ovs_vport_add(const struct vport_parms *);
42void ovs_vport_del(struct vport *);
43
44struct vport *ovs_vport_locate(const struct net *net, const char *name);
45
46void ovs_vport_get_stats(struct vport *, struct ovs_vport_stats *);
47
48int ovs_vport_set_options(struct vport *, struct nlattr *options);
49int ovs_vport_get_options(const struct vport *, struct sk_buff *);
50
51int ovs_vport_set_upcall_portids(struct vport *, const struct nlattr *pids);
52int ovs_vport_get_upcall_portids(const struct vport *, struct sk_buff *);
53u32 ovs_vport_find_upcall_portid(const struct vport *, struct sk_buff *);
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64struct vport_portids {
65 struct reciprocal_value rn_ids;
66 struct rcu_head rcu;
67 u32 n_ids;
68 u32 ids[];
69};
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83struct vport {
84 struct net_device *dev;
85 struct datapath *dp;
86 struct vport_portids __rcu *upcall_portids;
87 u16 port_no;
88
89 struct hlist_node hash_node;
90 struct hlist_node dp_hash_node;
91 const struct vport_ops *ops;
92
93 struct list_head detach_list;
94 struct rcu_head rcu;
95};
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107struct vport_parms {
108 const char *name;
109 enum ovs_vport_type type;
110 struct nlattr *options;
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113 struct datapath *dp;
114 u16 port_no;
115 struct nlattr *upcall_portids;
116};
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134struct vport_ops {
135 enum ovs_vport_type type;
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138 struct vport *(*create)(const struct vport_parms *);
139 void (*destroy)(struct vport *);
140
141 int (*set_options)(struct vport *, struct nlattr *);
142 int (*get_options)(const struct vport *, struct sk_buff *);
143
144 netdev_tx_t (*send) (struct sk_buff *skb);
145 struct module *owner;
146 struct list_head list;
147};
148
149struct vport *ovs_vport_alloc(int priv_size, const struct vport_ops *,
150 const struct vport_parms *);
151void ovs_vport_free(struct vport *);
152void ovs_vport_deferred_free(struct vport *vport);
153
154#define VPORT_ALIGN 8
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165static inline void *vport_priv(const struct vport *vport)
166{
167 return (u8 *)(uintptr_t)vport + ALIGN(sizeof(struct vport), VPORT_ALIGN);
168}
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180static inline struct vport *vport_from_priv(void *priv)
181{
182 return (struct vport *)((u8 *)priv - ALIGN(sizeof(struct vport), VPORT_ALIGN));
183}
184
185int ovs_vport_receive(struct vport *, struct sk_buff *,
186 const struct ip_tunnel_info *);
187
188static inline const char *ovs_vport_name(struct vport *vport)
189{
190 return vport->dev->name;
191}
192
193int __ovs_vport_ops_register(struct vport_ops *ops);
194#define ovs_vport_ops_register(ops) \
195 ({ \
196 (ops)->owner = THIS_MODULE; \
197 __ovs_vport_ops_register(ops); \
198 })
199
200void ovs_vport_ops_unregister(struct vport_ops *ops);
201void ovs_vport_send(struct vport *vport, struct sk_buff *skb);
202
203#endif
204