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 /* Note: this used to be in include/uapi/linux/gen_stats.h */ 11 struct gnet_stats_basic_packed { 12 __u64 bytes; 13 __u64 packets; 14 struct u64_stats_sync syncp; 15 }; 16 17 struct gnet_stats_basic_cpu { 18 struct gnet_stats_basic_packed bstats; 19 struct u64_stats_sync syncp; 20 } __aligned(2 * sizeof(u64)); 21 22 struct net_rate_estimator; 23 24 struct gnet_dump { 25 spinlock_t * lock; 26 struct sk_buff * skb; 27 struct nlattr * tail; 28 29 /* Backward compatibility */ 30 int compat_tc_stats; 31 int compat_xstats; 32 int padattr; 33 void * xstats; 34 int xstats_len; 35 struct tc_stats tc_stats; 36 }; 37 38 void gnet_stats_basic_packed_init(struct gnet_stats_basic_packed *b); 39 int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock, 40 struct gnet_dump *d, int padattr); 41 42 int gnet_stats_start_copy_compat(struct sk_buff *skb, int type, 43 int tc_stats_type, int xstats_type, 44 spinlock_t *lock, struct gnet_dump *d, 45 int padattr); 46 47 int gnet_stats_copy_basic(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 void gnet_stats_add_basic(const seqcount_t *running, 52 struct gnet_stats_basic_packed *bstats, 53 struct gnet_stats_basic_cpu __percpu *cpu, 54 struct gnet_stats_basic_packed *b); 55 int gnet_stats_copy_basic_hw(const seqcount_t *running, 56 struct gnet_dump *d, 57 struct gnet_stats_basic_cpu __percpu *cpu, 58 struct gnet_stats_basic_packed *b); 59 int gnet_stats_copy_rate_est(struct gnet_dump *d, 60 struct net_rate_estimator __rcu **ptr); 61 int gnet_stats_copy_queue(struct gnet_dump *d, 62 struct gnet_stats_queue __percpu *cpu_q, 63 struct gnet_stats_queue *q, __u32 qlen); 64 void gnet_stats_add_queue(struct gnet_stats_queue *qstats, 65 const struct gnet_stats_queue __percpu *cpu_q, 66 const struct gnet_stats_queue *q); 67 int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len); 68 69 int gnet_stats_finish_copy(struct gnet_dump *d); 70 71 int gen_new_estimator(struct gnet_stats_basic_packed *bstats, 72 struct gnet_stats_basic_cpu __percpu *cpu_bstats, 73 struct net_rate_estimator __rcu **rate_est, 74 spinlock_t *lock, 75 seqcount_t *running, struct nlattr *opt); 76 void gen_kill_estimator(struct net_rate_estimator __rcu **ptr); 77 int gen_replace_estimator(struct gnet_stats_basic_packed *bstats, 78 struct gnet_stats_basic_cpu __percpu *cpu_bstats, 79 struct net_rate_estimator __rcu **ptr, 80 spinlock_t *lock, 81 seqcount_t *running, struct nlattr *opt); 82 bool gen_estimator_active(struct net_rate_estimator __rcu **ptr); 83 bool gen_estimator_read(struct net_rate_estimator __rcu **ptr, 84 struct gnet_stats_rate_est64 *sample); 85 #endif 86