include/net/gen_stats.h

   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 gnet_dump {
  15         spinlock_t *      lock;
  16         struct sk_buff *  skb;
  17         struct nlattr *   tail;
  18
  19         /* Backward compatibility */
  20         int               compat_tc_stats;
  21         int               compat_xstats;
  22         void *            xstats;
  23         int               xstats_len;
  24         struct tc_stats   tc_stats;
  25 };
  26
  27 int gnet_stats_start_copy(struct sk_buff *skb, int type, spinlock_t *lock,
  28                           struct gnet_dump *d);
  29
  30 int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
  31                                  int tc_stats_type, int xstats_type,
  32                                  spinlock_t *lock, struct gnet_dump *d);
  33
  34 int gnet_stats_copy_basic(struct gnet_dump *d,
  35                           struct gnet_stats_basic_cpu __percpu *cpu,
  36                           struct gnet_stats_basic_packed *b);
  37 void __gnet_stats_copy_basic(struct gnet_stats_basic_packed *bstats,
  38                              struct gnet_stats_basic_cpu __percpu *cpu,
  39                              struct gnet_stats_basic_packed *b);
  40 int gnet_stats_copy_rate_est(struct gnet_dump *d,
  41                              const struct gnet_stats_basic_packed *b,
  42                              struct gnet_stats_rate_est64 *r);
  43 int gnet_stats_copy_queue(struct gnet_dump *d,
  44                           struct gnet_stats_queue __percpu *cpu_q,
  45                           struct gnet_stats_queue *q, __u32 qlen);
  46 int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
  47
  48 int gnet_stats_finish_copy(struct gnet_dump *d);
  49
  50 int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
  51                       struct gnet_stats_basic_cpu __percpu *cpu_bstats,
  52                       struct gnet_stats_rate_est64 *rate_est,
  53                       spinlock_t *stats_lock, struct nlattr *opt);
  54 void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
  55                         struct gnet_stats_rate_est64 *rate_est);
  56 int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
  57                           struct gnet_stats_basic_cpu __percpu *cpu_bstats,
  58                           struct gnet_stats_rate_est64 *rate_est,
  59                           spinlock_t *stats_lock, struct nlattr *opt);
  60 bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
  61                           const struct gnet_stats_rate_est64 *rate_est);
  62 #endif