/* SPDX-License-Identifier: GPL-2.0 */#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> /* Throughput stats. * Must be initialized beforehand with gnet_stats_basic_sync_init(). * * If no reads can ever occur parallel to writes (e.g. stack-allocated * bstats), then the internal stat values can be written to and read * from directly. Otherwise, use _bstats_set/update() for writes and * gnet_stats_add_basic() for reads. */struct gnet_stats_basic_sync {	u64_stats_t bytes;	u64_stats_t packets;	struct u64_stats_sync syncp;} __aligned(2 * sizeof(u64)); 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;}; void gnet_stats_basic_sync_init(struct gnet_stats_basic_sync *b);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(struct gnet_dump *d,			  const struct gnet_stats_basic_sync __percpu *cpu,			  const struct gnet_stats_basic_sync *b, bool running);void gnet_stats_add_basic(struct gnet_stats_basic_sync *bstats,			  const struct gnet_stats_basic_sync __percpu *cpu,			  const struct gnet_stats_basic_sync *b, bool running);int gnet_stats_copy_basic_hw(struct gnet_dump *d,			     const struct gnet_stats_basic_sync __percpu *cpu,			     const struct gnet_stats_basic_sync *b, bool running);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,			  const struct gnet_stats_queue __percpu *cpu_q,			  const struct gnet_stats_queue *q, __u32 qlen);void gnet_stats_add_queue(struct gnet_stats_queue *qstats,			  const struct gnet_stats_queue __percpu *cpu_q,			  const struct gnet_stats_queue *q);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_sync *bstats,		      struct gnet_stats_basic_sync __percpu *cpu_bstats,		      struct net_rate_estimator __rcu **rate_est,		      spinlock_t *lock,		      bool running, struct nlattr *opt);void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);int gen_replace_estimator(struct gnet_stats_basic_sync *bstats,			  struct gnet_stats_basic_sync __percpu *cpu_bstats,			  struct net_rate_estimator __rcu **ptr,			  spinlock_t *lock,			  bool 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