1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* 2 /*
3 * MCTP per-net structures 3 * MCTP per-net structures
4 */ 4 */
5 5
6 #ifndef __NETNS_MCTP_H__ 6 #ifndef __NETNS_MCTP_H__
7 #define __NETNS_MCTP_H__ 7 #define __NETNS_MCTP_H__
8 8
9 #include <linux/mutex.h> <<
10 #include <linux/types.h> 9 #include <linux/types.h>
11 10
12 struct netns_mctp { 11 struct netns_mctp {
13 /* Only updated under RTNL, entries fr 12 /* Only updated under RTNL, entries freed via RCU */
14 struct list_head routes; 13 struct list_head routes;
15 14
16 /* Bound sockets: list of sockets boun 15 /* Bound sockets: list of sockets bound by type.
17 * This list is updated from non-atomi 16 * This list is updated from non-atomic contexts (under bind_lock),
18 * and read (under rcu) in packet rx 17 * and read (under rcu) in packet rx
19 */ 18 */
20 struct mutex bind_lock; 19 struct mutex bind_lock;
21 struct hlist_head binds; 20 struct hlist_head binds;
22 21
23 /* tag allocations. This list is read 22 /* tag allocations. This list is read and updated from atomic contexts,
24 * but elements are free()ed after a R 23 * but elements are free()ed after a RCU grace-period
25 */ 24 */
26 spinlock_t keys_lock; 25 spinlock_t keys_lock;
27 struct hlist_head keys; 26 struct hlist_head keys;
28 27
29 /* MCTP network */ 28 /* MCTP network */
30 unsigned int default_net; 29 unsigned int default_net;
31 30
32 /* neighbour table */ 31 /* neighbour table */
33 struct mutex neigh_lock; 32 struct mutex neigh_lock;
34 struct list_head neighbours; 33 struct list_head neighbours;
35 }; 34 };
36 35
37 #endif /* __NETNS_MCTP_H__ */ 36 #endif /* __NETNS_MCTP_H__ */
38 37
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