1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __NET_GEN_STATS_H 3 #define __NET_GEN_STATS_H 4 5 #include <linux/gen_stats.h> 6 #include <linux/socket.h> 7 #include <linux/rtnetlink.h> 8 #include <linux/pkt_sched.h> 9 10 struct gnet_stats_basic_cpu { 11 struct gnet_stats_basic_packed bstats; 12 struct u64_stats_sync syncp; 13 }; 14 15 struct net_rate_estimator; 16 17 struct gnet_dump { 18 spinlock_t * lock; 19 struct sk_buff * skb; 20 struct nlattr * tail; 21 22 /* Backward compatibility */ 23 int compat_tc_stats; 24 int compat_xstats; 25 int padattr; 26 void * xstats; 27 int xstats_len; 28 struct tc_stats tc_stats; 29 }; 30 31 int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock, 32 struct gnet_dump *d, int padattr); 33 34 int gnet_stats_start_copy_compat(struct sk_buff *skb, int type, 35 int tc_stats_type, int xstats_type, 36 spinlock_t *lock, struct gnet_dump *d, 37 int padattr); 38 39 int gnet_stats_copy_basic(const seqcount_t *running, 40 struct gnet_dump *d, 41 struct gnet_stats_basic_cpu __percpu *cpu, 42 struct gnet_stats_basic_packed *b); 43 void __gnet_stats_copy_basic(const seqcount_t *running, 44 struct gnet_stats_basic_packed *bstats, 45 struct gnet_stats_basic_cpu __percpu *cpu, 46 struct gnet_stats_basic_packed *b); 47 int gnet_stats_copy_rate_est(struct gnet_dump *d, 48 struct net_rate_estimator __rcu **ptr); 49 int gnet_stats_copy_queue(struct gnet_dump *d, 50 struct gnet_stats_queue __percpu *cpu_q, 51 struct gnet_stats_queue *q, __u32 qlen); 52 void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats, 53 const struct gnet_stats_queue __percpu *cpu_q, 54 const struct gnet_stats_queue *q, __u32 qlen); 55 int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len); 56 57 int gnet_stats_finish_copy(struct gnet_dump *d); 58 59 int gen_new_estimator(struct gnet_stats_basic_packed *bstats, 60 struct gnet_stats_basic_cpu __percpu *cpu_bstats, 61 struct net_rate_estimator __rcu **rate_est, 62 spinlock_t *stats_lock, 63 seqcount_t *running, struct nlattr *opt); 64 void gen_kill_estimator(struct net_rate_estimator __rcu **ptr); 65 int gen_replace_estimator(struct gnet_stats_basic_packed *bstats, 66 struct gnet_stats_basic_cpu __percpu *cpu_bstats, 67 struct net_rate_estimator __rcu **ptr, 68 spinlock_t *stats_lock, 69 seqcount_t *running, struct nlattr *opt); 70 bool gen_estimator_active(struct net_rate_estimator __rcu **ptr); 71 bool gen_estimator_read(struct net_rate_estimator __rcu **ptr, 72 struct gnet_stats_rate_est64 *sample); 73 #endif 74