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 } __aligned(2 * sizeof(u64)); 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_basic_hw(const seqcount_t *running, 48 struct gnet_dump *d, 49 struct gnet_stats_basic_cpu __percpu *cpu, 50 struct gnet_stats_basic_packed *b); 51 int gnet_stats_copy_rate_est(struct gnet_dump *d, 52 struct net_rate_estimator __rcu **ptr); 53 int gnet_stats_copy_queue(struct gnet_dump *d, 54 struct gnet_stats_queue __percpu *cpu_q, 55 struct gnet_stats_queue *q, __u32 qlen); 56 void __gnet_stats_copy_queue(struct gnet_stats_queue *qstats, 57 const struct gnet_stats_queue __percpu *cpu_q, 58 const struct gnet_stats_queue *q, __u32 qlen); 59 int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len); 60 61 int gnet_stats_finish_copy(struct gnet_dump *d); 62 63 int gen_new_estimator(struct gnet_stats_basic_packed *bstats, 64 struct gnet_stats_basic_cpu __percpu *cpu_bstats, 65 struct net_rate_estimator __rcu **rate_est, 66 spinlock_t *lock, 67 seqcount_t *running, struct nlattr *opt); 68 void gen_kill_estimator(struct net_rate_estimator __rcu **ptr); 69 int gen_replace_estimator(struct gnet_stats_basic_packed *bstats, 70 struct gnet_stats_basic_cpu __percpu *cpu_bstats, 71 struct net_rate_estimator __rcu **ptr, 72 spinlock_t *lock, 73 seqcount_t *running, struct nlattr *opt); 74 bool gen_estimator_active(struct net_rate_estimator __rcu **ptr); 75 bool gen_estimator_read(struct net_rate_estimator __rcu **ptr, 76 struct gnet_stats_rate_est64 *sample); 77 #endif 78