[mirror_ubuntu-artful-kernel.git] / include / net / gen_stats.h

#ifndef __NET_GEN_STATS_H
#define __NET_GEN_STATS_H

#include <linux/gen_stats.h>
#include <linux/socket.h>
#include <linux/rtnetlink.h>
#include <linux/pkt_sched.h>

struct gnet_stats_basic_cpu {
	struct gnet_stats_basic_packed bstats;
	struct u64_stats_sync syncp;
};

struct net_rate_estimator;

struct gnet_dump {
	spinlock_t *      lock;
	struct sk_buff *  skb;
	struct nlattr *   tail;

	/* Backward compatibility */
	int               compat_tc_stats;
	int               compat_xstats;
	int               padattr;
	void *            xstats;
	int               xstats_len;
	struct tc_stats   tc_stats;
};

int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
			  struct gnet_dump *d, int padattr);

int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
				 int tc_stats_type, int xstats_type,
				 spinlock_t *lock, struct gnet_dump *d,
				 int padattr);

int gnet_stats_copy_basic(const seqcount_t *running,
			  struct gnet_dump *d,
			  struct gnet_stats_basic_cpu __percpu *cpu,
			  struct gnet_stats_basic_packed *b);
void __gnet_stats_copy_basic(const seqcount_t *running,
			     struct gnet_stats_basic_packed *bstats,
			     struct gnet_stats_basic_cpu __percpu *cpu,
			     struct gnet_stats_basic_packed *b);
int gnet_stats_copy_rate_est(struct gnet_dump *d,
			     struct net_rate_estimator __rcu **ptr);
int gnet_stats_copy_queue(struct gnet_dump *d,
			  struct gnet_stats_queue __percpu *cpu_q,
			  struct gnet_stats_queue *q, __u32 qlen);
int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);

int gnet_stats_finish_copy(struct gnet_dump *d);

int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
		      struct gnet_stats_basic_cpu __percpu *cpu_bstats,
		      struct net_rate_estimator __rcu **rate_est,
		      spinlock_t *stats_lock,
		      seqcount_t *running, struct nlattr *opt);
void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
			  struct gnet_stats_basic_cpu __percpu *cpu_bstats,
			  struct net_rate_estimator __rcu **ptr,
			  spinlock_t *stats_lock,
			  seqcount_t *running, struct nlattr *opt);
bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
			struct gnet_stats_rate_est64 *sample);
#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef __NET_GEN_STATS_H
	2	#define __NET_GEN_STATS_H
	3
	4	#include <linux/gen_stats.h>
	5	#include <linux/socket.h>
	6	#include <linux/rtnetlink.h>
	7	#include <linux/pkt_sched.h>
	8
22e0f8b9 JF	9	struct gnet_stats_basic_cpu {
	10	struct gnet_stats_basic_packed bstats;
	11	struct u64_stats_sync syncp;
	12	};
	13
1c0d32fd ED	14	struct net_rate_estimator;
1c0d32fd ED	15
fd2c3ef7	16	struct gnet_dump {
1da177e4 LT	17	spinlock_t * lock;
1da177e4 LT	18	struct sk_buff * skb;
1e90474c	19	struct nlattr * tail;
1da177e4	20
25985edc	21	/* Backward compatibility */
1da177e4 LT	22	int compat_tc_stats;
1da177e4 LT	23	int compat_xstats;
9854518e	24	int padattr;
1da177e4 LT	25	void * xstats;
	26	int xstats_len;
	27	struct tc_stats tc_stats;
	28	};
	29
8aae218f	30	int gnet_stats_start_copy(struct sk_buff skb, int type, spinlock_t lock,
9854518e	31	struct gnet_dump *d, int padattr);
8aae218f JP	32
	33	int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
	34	int tc_stats_type, int xstats_type,
9854518e ND	35	spinlock_t lock, struct gnet_dump d,
9854518e ND	36	int padattr);
1da177e4	37
edb09eb1 ED	38	int gnet_stats_copy_basic(const seqcount_t *running,
edb09eb1 ED	39	struct gnet_dump *d,
22e0f8b9	40	struct gnet_stats_basic_cpu __percpu *cpu,
8aae218f	41	struct gnet_stats_basic_packed *b);
edb09eb1 ED	42	void __gnet_stats_copy_basic(const seqcount_t *running,
edb09eb1 ED	43	struct gnet_stats_basic_packed *bstats,
22e0f8b9 JF	44	struct gnet_stats_basic_cpu __percpu *cpu,
22e0f8b9 JF	45	struct gnet_stats_basic_packed *b);
8aae218f	46	int gnet_stats_copy_rate_est(struct gnet_dump *d,
1c0d32fd	47	struct net_rate_estimator __rcu **ptr);
64015853	48	int gnet_stats_copy_queue(struct gnet_dump *d,
b0ab6f92 JF	49	struct gnet_stats_queue __percpu *cpu_q,
b0ab6f92 JF	50	struct gnet_stats_queue *q, __u32 qlen);
8aae218f JP	51	int gnet_stats_copy_app(struct gnet_dump d, void st, int len);
	52
	53	int gnet_stats_finish_copy(struct gnet_dump *d);
	54
	55	int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
22e0f8b9	56	struct gnet_stats_basic_cpu __percpu *cpu_bstats,
1c0d32fd	57	struct net_rate_estimator __rcu **rate_est,
edb09eb1 ED	58	spinlock_t *stats_lock,
edb09eb1 ED	59	seqcount_t running, struct nlattr opt);
1c0d32fd	60	void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
8aae218f	61	int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
22e0f8b9	62	struct gnet_stats_basic_cpu __percpu *cpu_bstats,
1c0d32fd	63	struct net_rate_estimator __rcu **ptr,
edb09eb1 ED	64	spinlock_t *stats_lock,
edb09eb1 ED	65	seqcount_t running, struct nlattr opt);
1c0d32fd ED	66	bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
	67	bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
	68	struct gnet_stats_rate_est64 *sample);
1da177e4	69	#endif