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84 lines
3.0 KiB
84 lines
3.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __NET_GEN_STATS_H |
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#define __NET_GEN_STATS_H |
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#include <linux/gen_stats.h> |
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#include <linux/socket.h> |
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#include <linux/rtnetlink.h> |
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#include <linux/pkt_sched.h> |
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/* Throughput stats. |
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* Must be initialized beforehand with gnet_stats_basic_sync_init(). |
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* |
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* If no reads can ever occur parallel to writes (e.g. stack-allocated |
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* bstats), then the internal stat values can be written to and read |
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* from directly. Otherwise, use _bstats_set/update() for writes and |
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* gnet_stats_add_basic() for reads. |
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*/ |
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struct gnet_stats_basic_sync { |
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u64_stats_t bytes; |
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u64_stats_t packets; |
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struct u64_stats_sync syncp; |
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} __aligned(2 * sizeof(u64)); |
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struct net_rate_estimator; |
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struct gnet_dump { |
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spinlock_t * lock; |
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struct sk_buff * skb; |
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struct nlattr * tail; |
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/* Backward compatibility */ |
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int compat_tc_stats; |
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int compat_xstats; |
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int padattr; |
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void * xstats; |
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int xstats_len; |
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struct tc_stats tc_stats; |
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}; |
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void gnet_stats_basic_sync_init(struct gnet_stats_basic_sync *b); |
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int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock, |
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struct gnet_dump *d, int padattr); |
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int gnet_stats_start_copy_compat(struct sk_buff *skb, int type, |
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int tc_stats_type, int xstats_type, |
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spinlock_t *lock, struct gnet_dump *d, |
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int padattr); |
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int gnet_stats_copy_basic(struct gnet_dump *d, |
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struct gnet_stats_basic_sync __percpu *cpu, |
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struct gnet_stats_basic_sync *b, bool running); |
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void gnet_stats_add_basic(struct gnet_stats_basic_sync *bstats, |
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struct gnet_stats_basic_sync __percpu *cpu, |
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struct gnet_stats_basic_sync *b, bool running); |
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int gnet_stats_copy_basic_hw(struct gnet_dump *d, |
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struct gnet_stats_basic_sync __percpu *cpu, |
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struct gnet_stats_basic_sync *b, bool running); |
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int gnet_stats_copy_rate_est(struct gnet_dump *d, |
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struct net_rate_estimator __rcu **ptr); |
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int gnet_stats_copy_queue(struct gnet_dump *d, |
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struct gnet_stats_queue __percpu *cpu_q, |
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struct gnet_stats_queue *q, __u32 qlen); |
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void gnet_stats_add_queue(struct gnet_stats_queue *qstats, |
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const struct gnet_stats_queue __percpu *cpu_q, |
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const struct gnet_stats_queue *q); |
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int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len); |
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int gnet_stats_finish_copy(struct gnet_dump *d); |
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int gen_new_estimator(struct gnet_stats_basic_sync *bstats, |
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struct gnet_stats_basic_sync __percpu *cpu_bstats, |
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struct net_rate_estimator __rcu **rate_est, |
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spinlock_t *lock, |
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bool running, struct nlattr *opt); |
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void gen_kill_estimator(struct net_rate_estimator __rcu **ptr); |
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int gen_replace_estimator(struct gnet_stats_basic_sync *bstats, |
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struct gnet_stats_basic_sync __percpu *cpu_bstats, |
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struct net_rate_estimator __rcu **ptr, |
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spinlock_t *lock, |
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bool running, struct nlattr *opt); |
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bool gen_estimator_active(struct net_rate_estimator __rcu **ptr); |
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bool gen_estimator_read(struct net_rate_estimator __rcu **ptr, |
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struct gnet_stats_rate_est64 *sample); |
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#endif
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