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