datapath/linux/compat/include/net/net_namespace.h

   1 #ifndef __NET_NET_NAMESPACE_WRAPPER_H
   2 #define __NET_NET_NAMESPACE_WRAPPER_H 1
   3
   4 #include_next <net/net_namespace.h>
   5
   6 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,33)
   7 /* for 2.6.32* */
   8 struct rpl_pernet_operations {
   9         int (*init)(struct net *net);
  10         void (*exit)(struct net *net);
  11         int *id;
  12         size_t size;
  13         struct pernet_operations ops;
  14 };
  15 #define pernet_operations rpl_pernet_operations
  16
  17 #define register_pernet_device rpl_register_pernet_gen_device
  18 #define unregister_pernet_device rpl_unregister_pernet_gen_device
  19
  20 int compat_init_net(struct net *net, struct rpl_pernet_operations *pnet);
  21 void compat_exit_net(struct net *net, struct rpl_pernet_operations *pnet);
  22
  23 #define DEFINE_COMPAT_PNET_REG_FUNC(TYPE)                                       \
  24                                                                         \
  25 static struct rpl_pernet_operations *pnet_gen_##TYPE;                   \
  26 static int compat_init_net_gen_##TYPE(struct net *net)  \
  27 {                                                                       \
  28         return compat_init_net(net, pnet_gen_##TYPE);                   \
  29 }                                                                       \
  30                                                                         \
  31 static void compat_exit_net_gen_##TYPE(struct net *net) \
  32 {                                                                       \
  33         compat_exit_net(net, pnet_gen_##TYPE);                          \
  34 }                                                                       \
  35                                                                         \
  36 static int rpl_register_pernet_gen_##TYPE(struct rpl_pernet_operations *rpl_pnet)       \
  37 {                                                                               \
  38         pnet_gen_##TYPE = rpl_pnet;                                             \
  39         rpl_pnet->ops.init = compat_init_net_gen_##TYPE;                        \
  40         rpl_pnet->ops.exit = compat_exit_net_gen_##TYPE;                        \
  41         return register_pernet_gen_##TYPE(pnet_gen_##TYPE->id, &rpl_pnet->ops); \
  42 }                                                                                       \
  43                                                                                         \
  44 static void rpl_unregister_pernet_gen_##TYPE(struct rpl_pernet_operations *rpl_pnet)            \
  45 {                                                                                       \
  46         unregister_pernet_gen_##TYPE(*pnet_gen_##TYPE->id, &rpl_pnet->ops);             \
  47 }
  48 #else
  49 #define DEFINE_COMPAT_PNET_REG_FUNC(TYPE)
  50 #endif /* 2.6.33 */
  51
  52 #endif /* net/net_namespace.h wrapper */