include/net/netns/mctp.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * MCTP per-net structures
   4  */
   5
   6 #ifndef __NETNS_MCTP_H__
   7 #define __NETNS_MCTP_H__
   8
   9 #include <linux/mutex.h>
  10 #include <linux/types.h>
  11
  12 struct netns_mctp {
  13         /* Only updated under RTNL, entries freed via RCU */
  14         struct list_head routes;
  15
  16         /* Bound sockets: list of sockets bound by type.
  17          * This list is updated from non-atomic contexts (under bind_lock),
  18          * and read (under rcu) in packet rx
  19          */
  20         struct mutex bind_lock;
  21         struct hlist_head binds;
  22
  23         /* tag allocations. This list is read and updated from atomic contexts,
  24          * but elements are free()ed after a RCU grace-period
  25          */
  26         spinlock_t keys_lock;
  27         struct hlist_head keys;
  28
  29         /* MCTP network */
  30         unsigned int default_net;
  31
  32         /* neighbour table */
  33         struct mutex neigh_lock;
  34         struct list_head neighbours;
  35 };
  36
  37 #endif /* __NETNS_MCTP_H__ */