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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485/* 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