diff options
author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:07:53 +0000 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:07:53 +0000 |
commit | 4fbe7358c7747a9165f776eb19addbb9baf7def2 (patch) | |
tree | bc7076b4f6d10c2cc2942539bb666e50f0b66954 /libdde_linux26/contrib/include/net/netns/generic.h | |
parent | 21adb5284111190057db245cfc2b54091920c373 (diff) |
rename libdde_linux26 into libdde-linux26 to make dpkg-source happy
Diffstat (limited to 'libdde_linux26/contrib/include/net/netns/generic.h')
-rw-r--r-- | libdde_linux26/contrib/include/net/netns/generic.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/libdde_linux26/contrib/include/net/netns/generic.h b/libdde_linux26/contrib/include/net/netns/generic.h deleted file mode 100644 index 0c04fd2a..00000000 --- a/libdde_linux26/contrib/include/net/netns/generic.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * generic net pointers - */ - -#ifndef __NET_GENERIC_H__ -#define __NET_GENERIC_H__ - -#include <linux/rcupdate.h> - -/* - * Generic net pointers are to be used by modules to put some private - * stuff on the struct net without explicit struct net modification - * - * The rules are simple: - * 1. register the ops with register_pernet_gen_device to get the id - * of your private pointer; - * 2. call net_assign_generic() to put the private data on the struct - * net (most preferably this should be done in the ->init callback - * of the ops registered); - * 3. do not change this pointer while the net is alive; - * 4. do not try to have any private reference on the net_generic object. - * - * After accomplishing all of the above, the private pointer can be - * accessed with the net_generic() call. - */ - -struct net_generic { - unsigned int len; - struct rcu_head rcu; - - void *ptr[0]; -}; - -static inline void *net_generic(struct net *net, int id) -{ - struct net_generic *ng; - void *ptr; - - rcu_read_lock(); - ng = rcu_dereference(net->gen); - BUG_ON(id == 0 || id > ng->len); - ptr = ng->ptr[id - 1]; - rcu_read_unlock(); - - return ptr; -} - -extern int net_assign_generic(struct net *net, int id, void *data); -#endif |