~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/net/netlink/af_netlink.h

Version: ~ [ linux-5.8 ] ~ [ linux-5.7.12 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.55 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.136 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.191 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.232 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.232 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 #ifndef _AF_NETLINK_H
  2 #define _AF_NETLINK_H
  3 
  4 #include <net/sock.h>
  5 
  6 #define NLGRPSZ(x)      (ALIGN(x, sizeof(unsigned long) * 8) / 8)
  7 #define NLGRPLONGS(x)   (NLGRPSZ(x)/sizeof(unsigned long))
  8 
  9 struct netlink_ring {
 10         void                    **pg_vec;
 11         unsigned int            head;
 12         unsigned int            frames_per_block;
 13         unsigned int            frame_size;
 14         unsigned int            frame_max;
 15 
 16         unsigned int            pg_vec_order;
 17         unsigned int            pg_vec_pages;
 18         unsigned int            pg_vec_len;
 19 
 20         atomic_t                pending;
 21 };
 22 
 23 struct netlink_sock {
 24         /* struct sock has to be the first member of netlink_sock */
 25         struct sock             sk;
 26         u32                     portid;
 27         u32                     dst_portid;
 28         u32                     dst_group;
 29         u32                     flags;
 30         u32                     subscriptions;
 31         u32                     ngroups;
 32         unsigned long           *groups;
 33         unsigned long           state;
 34         wait_queue_head_t       wait;
 35         struct netlink_callback *cb;
 36         struct mutex            *cb_mutex;
 37         struct mutex            cb_def_mutex;
 38         void                    (*netlink_rcv)(struct sk_buff *skb);
 39         void                    (*netlink_bind)(int group);
 40         struct module           *module;
 41 #ifdef CONFIG_NETLINK_MMAP
 42         struct mutex            pg_vec_lock;
 43         struct netlink_ring     rx_ring;
 44         struct netlink_ring     tx_ring;
 45         atomic_t                mapped;
 46 #endif /* CONFIG_NETLINK_MMAP */
 47 };
 48 
 49 static inline struct netlink_sock *nlk_sk(struct sock *sk)
 50 {
 51         return container_of(sk, struct netlink_sock, sk);
 52 }
 53 
 54 struct nl_portid_hash {
 55         struct hlist_head       *table;
 56         unsigned long           rehash_time;
 57 
 58         unsigned int            mask;
 59         unsigned int            shift;
 60 
 61         unsigned int            entries;
 62         unsigned int            max_shift;
 63 
 64         u32                     rnd;
 65 };
 66 
 67 struct netlink_table {
 68         struct nl_portid_hash   hash;
 69         struct hlist_head       mc_list;
 70         struct listeners __rcu  *listeners;
 71         unsigned int            flags;
 72         unsigned int            groups;
 73         struct mutex            *cb_mutex;
 74         struct module           *module;
 75         void                    (*bind)(int group);
 76         bool                    (*compare)(struct net *net, struct sock *sock);
 77         int                     registered;
 78 };
 79 
 80 extern struct netlink_table *nl_table;
 81 extern rwlock_t nl_table_lock;
 82 
 83 #endif
 84 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp