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

	/* Backward compatibility */
	int               compat_tc_stats;
	int               compat_xstats;
	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 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 gnet_stats_copy_basic(struct gnet_dump *d,
			  struct gnet_stats_basic_cpu __percpu *cpu,
			  struct gnet_stats_basic_packed *b);
void __gnet_stats_copy_basic(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,
			     const struct gnet_stats_basic_packed *b,
			     struct gnet_stats_rate_est64 *r);
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 gnet_stats_rate_est64 *rate_est,
		      spinlock_t *stats_lock, struct nlattr *opt);
void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
			struct gnet_stats_rate_est64 *rate_est);
int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
			  struct gnet_stats_basic_cpu __percpu *cpu_bstats,
			  struct gnet_stats_rate_est64 *rate_est,
			  spinlock_t *stats_lock, struct nlattr *opt);
bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
			  const struct gnet_stats_rate_est64 *rate_est);
#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
fd2c3ef7	14	struct gnet_dump {
1da177e4 LT	15	spinlock_t * lock;
1da177e4 LT	16	struct sk_buff * skb;
1e90474c	17	struct nlattr * tail;
1da177e4	18
25985edc	19	/* Backward compatibility */
1da177e4 LT	20	int compat_tc_stats;
	21	int compat_xstats;
	22	void * xstats;
	23	int xstats_len;
	24	struct tc_stats tc_stats;
	25	};
	26
8aae218f JP	27	int gnet_stats_start_copy(struct sk_buff skb, int type, spinlock_t lock,
	28	struct gnet_dump *d);
	29
	30	int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
	31	int tc_stats_type, int xstats_type,
1da177e4 LT	32	spinlock_t lock, struct gnet_dump d);
1da177e4 LT	33
8aae218f	34	int gnet_stats_copy_basic(struct gnet_dump *d,
22e0f8b9	35	struct gnet_stats_basic_cpu __percpu *cpu,
8aae218f	36	struct gnet_stats_basic_packed *b);
22e0f8b9 JF	37	void __gnet_stats_copy_basic(struct gnet_stats_basic_packed *bstats,
	38	struct gnet_stats_basic_cpu __percpu *cpu,
	39	struct gnet_stats_basic_packed *b);
8aae218f JP	40	int gnet_stats_copy_rate_est(struct gnet_dump *d,
	41	const struct gnet_stats_basic_packed *b,
	42	struct gnet_stats_rate_est64 *r);
64015853	43	int gnet_stats_copy_queue(struct gnet_dump *d,
b0ab6f92 JF	44	struct gnet_stats_queue __percpu *cpu_q,
b0ab6f92 JF	45	struct gnet_stats_queue *q, __u32 qlen);
8aae218f JP	46	int gnet_stats_copy_app(struct gnet_dump d, void st, int len);
	47
	48	int gnet_stats_finish_copy(struct gnet_dump *d);
	49
	50	int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
22e0f8b9	51	struct gnet_stats_basic_cpu __percpu *cpu_bstats,
8aae218f JP	52	struct gnet_stats_rate_est64 *rate_est,
	53	spinlock_t stats_lock, struct nlattr opt);
	54	void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
	55	struct gnet_stats_rate_est64 *rate_est);
	56	int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
22e0f8b9	57	struct gnet_stats_basic_cpu __percpu *cpu_bstats,
8aae218f JP	58	struct gnet_stats_rate_est64 *rate_est,
	59	spinlock_t stats_lock, struct nlattr opt);
	60	bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
	61	const struct gnet_stats_rate_est64 *rate_est);
1da177e4	62	#endif