Release 4.7 include/net/netns/xfrm.h

#ifndef __NETNS_XFRM_H

#define __NETNS_XFRM_H

#include <linux/list.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <linux/xfrm.h>
#include <net/dst_ops.h>
#include <net/flowcache.h>

struct ctl_table_header;


struct xfrm_policy_hash {
	
struct hlist_head	*table;
	
unsigned int		hmask;
	
u8			dbits4;
	
u8			sbits4;
	
u8			dbits6;
	
u8			sbits6;
};


struct xfrm_policy_hthresh {
	
struct work_struct	work;
	
seqlock_t		lock;
	
u8			lbits4;
	
u8			rbits4;
	
u8			lbits6;
	
u8			rbits6;
};


struct netns_xfrm {
	
struct list_head	state_all;
	/*
         * Hash table to find appropriate SA towards given target (endpoint of
         * tunnel or destination of transport mode) allowed by selector.
         *
         * Main use is finding SA after policy selected tunnel or transport
         * mode. Also, it can be used by ah/esp icmp error handler to find
         * offending SA.
         */
	
struct hlist_head	*state_bydst;
	
struct hlist_head	*state_bysrc;
	
struct hlist_head	*state_byspi;
	
unsigned int		state_hmask;
	
unsigned int		state_num;
	
struct work_struct	state_hash_work;
	
struct hlist_head	state_gc_list;
	
struct work_struct	state_gc_work;

	
struct list_head	policy_all;
	
struct hlist_head	*policy_byidx;
	
unsigned int		policy_idx_hmask;
	
struct hlist_head	policy_inexact[XFRM_POLICY_MAX];
	
struct xfrm_policy_hash	policy_bydst[XFRM_POLICY_MAX];
	
unsigned int		policy_count[XFRM_POLICY_MAX * 2];
	
struct work_struct	policy_hash_work;
	
struct xfrm_policy_hthresh policy_hthresh;


	
struct sock		*nlsk;
	
struct sock		*nlsk_stash;

	
u32			sysctl_aevent_etime;
	
u32			sysctl_aevent_rseqth;
	
int			sysctl_larval_drop;
	
u32			sysctl_acq_expires;
#ifdef CONFIG_SYSCTL
	
struct ctl_table_header	*sysctl_hdr;
#endif

	
struct dst_ops		xfrm4_dst_ops;
#if IS_ENABLED(CONFIG_IPV6)
	
struct dst_ops		xfrm6_dst_ops;
#endif
	
spinlock_t xfrm_state_lock;
	
rwlock_t xfrm_policy_lock;
	
struct mutex xfrm_cfg_mutex;

	/* flow cache part */
	
struct flow_cache	flow_cache_global;
	
atomic_t		flow_cache_genid;
	
struct list_head	flow_cache_gc_list;
	
atomic_t		flow_cache_gc_count;
	
spinlock_t		flow_cache_gc_lock;
	
struct work_struct	flow_cache_gc_work;
	
struct work_struct	flow_cache_flush_work;
	
struct mutex		flow_flush_sem;
};

#endif
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Directory: include/net/netns

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