net/netns/mctp.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * MCTP per-net structures
0004  */
0005
0006 #ifndef __NETNS_MCTP_H__
0007 #define __NETNS_MCTP_H__
0008
0009 #include <linux/mutex.h>
0010 #include <linux/types.h>
0011
0012 struct netns_mctp {
0013     /* Only updated under RTNL, entries freed via RCU */
0014     struct list_head routes;
0015
0016     /* Bound sockets: list of sockets bound by type.
0017      * This list is updated from non-atomic contexts (under bind_lock),
0018      * and read (under rcu) in packet rx
0019      */
0020     struct mutex bind_lock;
0021     struct hlist_head binds;
0022
0023     /* tag allocations. This list is read and updated from atomic contexts,
0024      * but elements are free()ed after a RCU grace-period
0025      */
0026     spinlock_t keys_lock;
0027     struct hlist_head keys;
0028
0029     /* MCTP network */
0030     unsigned int default_net;
0031
0032     /* neighbour table */
0033     struct mutex neigh_lock;
0034     struct list_head neighbours;
0035 };
0036
0037 #endif /* __NETNS_MCTP_H__ */