net_namespace.h (5be5758c114b18260c6fd4c8373bf89e39b0fe82) net_namespace.h (a685e08987d1edf1995b76511d4c98ea0e905377)
1/*
2 * Operations on the network namespace
3 */
4#ifndef __NET_NET_NAMESPACE_H
5#define __NET_NET_NAMESPACE_H
6
7#include <asm/atomic.h>
8#include <linux/workqueue.h>

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30struct sock;
31struct netns_ipvs;
32
33
34#define NETDEV_HASHBITS 8
35#define NETDEV_HASHENTRIES (1 << NETDEV_HASHBITS)
36
37struct net {
1/*
2 * Operations on the network namespace
3 */
4#ifndef __NET_NET_NAMESPACE_H
5#define __NET_NET_NAMESPACE_H
6
7#include <asm/atomic.h>
8#include <linux/workqueue.h>

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30struct sock;
31struct netns_ipvs;
32
33
34#define NETDEV_HASHBITS 8
35#define NETDEV_HASHENTRIES (1 << NETDEV_HASHBITS)
36
37struct net {
38 atomic_t passive; /* To decided when the network
39 * namespace should be freed.
40 */
38 atomic_t count; /* To decided when the network
41 atomic_t count; /* To decided when the network
39 * namespace should be freed.
42 * namespace should be shut down.
40 */
41#ifdef NETNS_REFCNT_DEBUG
42 atomic_t use_count; /* To track references we
43 * destroy on demand
44 */
45#endif
46 spinlock_t rules_mod_lock;
47

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149 __put_net(net);
150}
151
152static inline
153int net_eq(const struct net *net1, const struct net *net2)
154{
155 return net1 == net2;
156}
43 */
44#ifdef NETNS_REFCNT_DEBUG
45 atomic_t use_count; /* To track references we
46 * destroy on demand
47 */
48#endif
49 spinlock_t rules_mod_lock;
50

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152 __put_net(net);
153}
154
155static inline
156int net_eq(const struct net *net1, const struct net *net2)
157{
158 return net1 == net2;
159}
160
161extern void net_drop_ns(void *);
162
157#else
158
159static inline struct net *get_net(struct net *net)
160{
161 return net;
162}
163
164static inline void put_net(struct net *net)

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170 return net;
171}
172
173static inline
174int net_eq(const struct net *net1, const struct net *net2)
175{
176 return 1;
177}
163#else
164
165static inline struct net *get_net(struct net *net)
166{
167 return net;
168}
169
170static inline void put_net(struct net *net)

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176 return net;
177}
178
179static inline
180int net_eq(const struct net *net1, const struct net *net2)
181{
182 return 1;
183}
184
185#define net_drop_ns NULL
178#endif
179
180
181#ifdef NETNS_REFCNT_DEBUG
182static inline struct net *hold_net(struct net *net)
183{
184 if (net)
185 atomic_inc(&net->use_count);

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187
188
189#ifdef NETNS_REFCNT_DEBUG
190static inline struct net *hold_net(struct net *net)
191{
192 if (net)
193 atomic_inc(&net->use_count);

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