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#include <net/flowcache.h>
10
11struct ctl_table_header;
12
13struct xfrm_policy_hash {
14	struct hlist_head	__rcu *table;
15	unsigned int		hmask;
16	u8			dbits4;
17	u8			sbits4;
18	u8			dbits6;
19	u8			sbits6;
20};
21
22struct xfrm_policy_hthresh {
23	struct work_struct	work;
24	seqlock_t		lock;
25	u8			lbits4;
26	u8			rbits4;
27	u8			lbits6;
28	u8			rbits6;
29};
30
31struct netns_xfrm {
32	struct list_head	state_all;
33	/*
34	 * Hash table to find appropriate SA towards given target (endpoint of
35	 * tunnel or destination of transport mode) allowed by selector.
36	 *
37	 * Main use is finding SA after policy selected tunnel or transport
38	 * mode. Also, it can be used by ah/esp icmp error handler to find
39	 * offending SA.
40	 */
41	struct hlist_head	__rcu *state_bydst;
42	struct hlist_head	__rcu *state_bysrc;
43	struct hlist_head	__rcu *state_byspi;
44	unsigned int		state_hmask;
45	unsigned int		state_num;
46	struct work_struct	state_hash_work;
 
 
47
48	struct list_head	policy_all;
49	struct hlist_head	*policy_byidx;
50	unsigned int		policy_idx_hmask;
51	struct hlist_head	policy_inexact[XFRM_POLICY_MAX];
52	struct xfrm_policy_hash	policy_bydst[XFRM_POLICY_MAX];
53	unsigned int		policy_count[XFRM_POLICY_MAX * 2];
54	struct work_struct	policy_hash_work;
55	struct xfrm_policy_hthresh policy_hthresh;
56
57
58	struct sock		*nlsk;
59	struct sock		*nlsk_stash;
60
61	u32			sysctl_aevent_etime;
62	u32			sysctl_aevent_rseqth;
63	int			sysctl_larval_drop;
64	u32			sysctl_acq_expires;
65#ifdef CONFIG_SYSCTL
66	struct ctl_table_header	*sysctl_hdr;
67#endif
68
69	struct dst_ops		xfrm4_dst_ops;
70#if IS_ENABLED(CONFIG_IPV6)
71	struct dst_ops		xfrm6_dst_ops;
72#endif
73	spinlock_t xfrm_state_lock;
74	spinlock_t xfrm_policy_lock;
75	struct mutex xfrm_cfg_mutex;
76
77	/* flow cache part */
78	struct flow_cache	flow_cache_global;
79	atomic_t		flow_cache_genid;
80	struct list_head	flow_cache_gc_list;
81	atomic_t		flow_cache_gc_count;
82	spinlock_t		flow_cache_gc_lock;
83	struct work_struct	flow_cache_gc_work;
84	struct work_struct	flow_cache_flush_work;
85	struct mutex		flow_flush_sem;
86};
87
88#endif