net_namespace.h (efd7ef1c1929d7a0329d4349252863c04d6f1729) net_namespace.h (0c5c9fb55106333e773de8c9dd321fa8240caeb3)
1/*
2 * Operations on the network namespace
3 */
4#ifndef __NET_NET_NAMESPACE_H
5#define __NET_NET_NAMESPACE_H
6
7#include <linux/atomic.h>
8#include <linux/workqueue.h>

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226{
227 return 1;
228}
229
230#define net_drop_ns NULL
231#endif
232
233
1/*
2 * Operations on the network namespace
3 */
4#ifndef __NET_NET_NAMESPACE_H
5#define __NET_NET_NAMESPACE_H
6
7#include <linux/atomic.h>
8#include <linux/workqueue.h>

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226{
227 return 1;
228}
229
230#define net_drop_ns NULL
231#endif
232
233
234typedef struct {
234#ifdef CONFIG_NET_NS
235#ifdef CONFIG_NET_NS
236 struct net *net;
237#endif
238} possible_net_t;
235
239
236static inline void write_pnet(struct net **pnet, struct net *net)
240static inline void write_pnet(possible_net_t *pnet, struct net *net)
237{
241{
238 *pnet = net;
242#ifdef CONFIG_NET_NS
243 pnet->net = net;
244#endif
239}
240
245}
246
241static inline struct net *read_pnet(struct net * const *pnet)
247static inline struct net *read_pnet(const possible_net_t *pnet)
242{
248{
243 return *pnet;
244}
245
249#ifdef CONFIG_NET_NS
250 return pnet->net;
246#else
251#else
247
248#define write_pnet(pnet, net) do { (void)(net);} while (0)
249#define read_pnet(pnet) (&init_net)
250
252 return &init_net;
251#endif
253#endif
254}
252
253#define for_each_net(VAR) \
254 list_for_each_entry(VAR, &net_namespace_list, list)
255
256#define for_each_net_rcu(VAR) \
257 list_for_each_entry_rcu(VAR, &net_namespace_list, list)
258
259#ifdef CONFIG_NET_NS

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256#define for_each_net(VAR) \
257 list_for_each_entry(VAR, &net_namespace_list, list)
258
259#define for_each_net_rcu(VAR) \
260 list_for_each_entry_rcu(VAR, &net_namespace_list, list)
261
262#ifdef CONFIG_NET_NS

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