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