/* * generic net pointers */ #ifndef __NET_GENERIC_H__ #define __NET_GENERIC_H__ #include <linux/bug.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. set pernet_operations->id. After register_pernet_device you * will have the id of your private pointer. * 2. set pernet_operations->size to have the code allocate and free * a private structure pointed to from struct net. * 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 { union { struct { unsigned int len; struct rcu_head rcu; } s; void *ptr[0]; }; };
static inline void *net_generic(const struct net *net, unsigned int id) { struct net_generic *ng; void *ptr; rcu_read_lock(); ng = rcu_dereference(net->gen); ptr = ng->ptr[id]; rcu_read_unlock(); return ptr; }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Pavel Emelyanov | 52 | 96.30% | 1 | 33.33% |
| Jan Engelhardt | 1 | 1.85% | 1 | 33.33% |
| Alexey Dobriyan | 1 | 1.85% | 1 | 33.33% |
| Total | 54 | 100.00% | 3 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Pavel Emelyanov | 84 | 84.85% | 1 | 14.29% |
| Alexey Dobriyan | 10 | 10.10% | 3 | 42.86% |
| Paul Gortmaker | 3 | 3.03% | 1 | 14.29% |
| Jiri Pirko | 1 | 1.01% | 1 | 14.29% |
| Jan Engelhardt | 1 | 1.01% | 1 | 14.29% |
| Total | 99 | 100.00% | 7 | 100.00% |