1#ifndef __NETNS_XFRM_H
 2#define __NETNS_XFRM_H
 3
 4#include <linux/list.h>
 5#include <linux/wait.h>
 6#include <linux/workqueue.h>
 7#include <linux/xfrm.h>
 8#include <net/dst_ops.h>
 9#include <net/flowcache.h>
10
11struct ctl_table_header;
12
13struct xfrm_policy_hash {
14	struct hlist_head	*table;
15	unsigned int		hmask;
16};
17
18struct netns_xfrm {
19	struct list_head	state_all;
20	/*
21	 * Hash table to find appropriate SA towards given target (endpoint of
22	 * tunnel or destination of transport mode) allowed by selector.
23	 *
24	 * Main use is finding SA after policy selected tunnel or transport
25	 * mode. Also, it can be used by ah/esp icmp error handler to find
26	 * offending SA.
27	 */
28	struct hlist_head	*state_bydst;
29	struct hlist_head	*state_bysrc;
30	struct hlist_head	*state_byspi;
31	unsigned int		state_hmask;
32	unsigned int		state_num;
33	struct work_struct	state_hash_work;
34	struct hlist_head	state_gc_list;
35	struct work_struct	state_gc_work;
36
 
 
37	struct list_head	policy_all;
38	struct hlist_head	*policy_byidx;
39	unsigned int		policy_idx_hmask;
40	struct hlist_head	policy_inexact[XFRM_POLICY_MAX * 2];
41	struct xfrm_policy_hash	policy_bydst[XFRM_POLICY_MAX * 2];
42	unsigned int		policy_count[XFRM_POLICY_MAX * 2];
43	struct work_struct	policy_hash_work;
44
45
46	struct sock		*nlsk;
47	struct sock		*nlsk_stash;
48
49	u32			sysctl_aevent_etime;
50	u32			sysctl_aevent_rseqth;
51	int			sysctl_larval_drop;
52	u32			sysctl_acq_expires;
53#ifdef CONFIG_SYSCTL
54	struct ctl_table_header	*sysctl_hdr;
55#endif
56
57	struct dst_ops		xfrm4_dst_ops;
58#if IS_ENABLED(CONFIG_IPV6)
59	struct dst_ops		xfrm6_dst_ops;
60#endif
61	spinlock_t xfrm_state_lock;
62	rwlock_t xfrm_policy_lock;
63	struct mutex xfrm_cfg_mutex;
64
65	/* flow cache part */
66	struct flow_cache	flow_cache_global;
67	atomic_t		flow_cache_genid;
68	struct list_head	flow_cache_gc_list;
69	spinlock_t		flow_cache_gc_lock;
70	struct work_struct	flow_cache_gc_work;
71	struct work_struct	flow_cache_flush_work;
72	struct mutex		flow_flush_sem;
73};
74
75#endif

 1#ifndef __NETNS_XFRM_H
 2#define __NETNS_XFRM_H
 3
 4#include <linux/list.h>
 5#include <linux/wait.h>
 6#include <linux/workqueue.h>
 7#include <linux/xfrm.h>
 8#include <net/dst_ops.h>
 
 9
10struct ctl_table_header;
11
12struct xfrm_policy_hash {
13	struct hlist_head	*table;
14	unsigned int		hmask;
15};
16
17struct netns_xfrm {
18	struct list_head	state_all;
19	/*
20	 * Hash table to find appropriate SA towards given target (endpoint of
21	 * tunnel or destination of transport mode) allowed by selector.
22	 *
23	 * Main use is finding SA after policy selected tunnel or transport
24	 * mode. Also, it can be used by ah/esp icmp error handler to find
25	 * offending SA.
26	 */
27	struct hlist_head	*state_bydst;
28	struct hlist_head	*state_bysrc;
29	struct hlist_head	*state_byspi;
30	unsigned int		state_hmask;
31	unsigned int		state_num;
32	struct work_struct	state_hash_work;
33	struct hlist_head	state_gc_list;
34	struct work_struct	state_gc_work;
35
36	wait_queue_head_t	km_waitq;
37
38	struct list_head	policy_all;
39	struct hlist_head	*policy_byidx;
40	unsigned int		policy_idx_hmask;
41	struct hlist_head	policy_inexact[XFRM_POLICY_MAX * 2];
42	struct xfrm_policy_hash	policy_bydst[XFRM_POLICY_MAX * 2];
43	unsigned int		policy_count[XFRM_POLICY_MAX * 2];
44	struct work_struct	policy_hash_work;
45
46
47	struct sock		*nlsk;
48	struct sock		*nlsk_stash;
49
50	u32			sysctl_aevent_etime;
51	u32			sysctl_aevent_rseqth;
52	int			sysctl_larval_drop;
53	u32			sysctl_acq_expires;
54#ifdef CONFIG_SYSCTL
55	struct ctl_table_header	*sysctl_hdr;
56#endif
57
58	struct dst_ops		xfrm4_dst_ops;
59#if IS_ENABLED(CONFIG_IPV6)
60	struct dst_ops		xfrm6_dst_ops;
61#endif
 
 
 
 
 
 
 
 
 
 
 
 
62};
63
64#endif