LXR linux/include/net/gen

   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
   9struct gnet_stats_basic_cpu {
  10        struct gnet_stats_basic_packed bstats;
  11        struct u64_stats_sync syncp;
  12};
  13
  14struct net_rate_estimator;
  15
  16struct 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
  30int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
  31                          struct gnet_dump *d, int padattr);
  32
  33int 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
  38int 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);
  42void __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);
  46int gnet_stats_copy_rate_est(struct gnet_dump *d,
  47                             struct net_rate_estimator __rcu **ptr);
  48int gnet_stats_copy_queue(struct gnet_dump *d,
  49                          struct gnet_stats_queue __percpu *cpu_q,
  50                          struct gnet_stats_queue *q, __u32 qlen);
  51int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
  52
  53int gnet_stats_finish_copy(struct gnet_dump *d);
  54
  55int 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);
  60void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
  61int 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);
  66bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
  67bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
  68                        struct gnet_stats_rate_est64 *sample);
  69#endif
  70