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_dump {
  10         spinlock_t *      lock;
  11         struct sk_buff *  skb;
  12         struct nlattr *   tail;
  13
  14         /* Backward compatibility */
  15         int               compat_tc_stats;
  16         int               compat_xstats;
  17         void *            xstats;
  18         int               xstats_len;
  19         struct tc_stats   tc_stats;
  20 };
  21
  22 extern int gnet_stats_start_copy(struct sk_buff *skb, int type,
  23                                  spinlock_t *lock, struct gnet_dump *d);
  24
  25 extern int gnet_stats_start_copy_compat(struct sk_buff *skb, int type,
  26                                         int tc_stats_type,int xstats_type,
  27                                         spinlock_t *lock, struct gnet_dump *d);
  28
  29 extern int gnet_stats_copy_basic(struct gnet_dump *d,
  30                                  struct gnet_stats_basic_packed *b);
  31 extern int gnet_stats_copy_rate_est(struct gnet_dump *d,
  32                                     const struct gnet_stats_basic_packed *b,
  33                                     struct gnet_stats_rate_est *r);
  34 extern int gnet_stats_copy_queue(struct gnet_dump *d,
  35                                  struct gnet_stats_queue *q);
  36 extern int gnet_stats_copy_app(struct gnet_dump *d, void *st, int len);
  37
  38 extern int gnet_stats_finish_copy(struct gnet_dump *d);
  39
  40 extern int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
  41                              struct gnet_stats_rate_est *rate_est,
  42                              spinlock_t *stats_lock, struct nlattr *opt);
  43 extern void gen_kill_estimator(struct gnet_stats_basic_packed *bstats,
  44                                struct gnet_stats_rate_est *rate_est);
  45 extern int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
  46                                  struct gnet_stats_rate_est *rate_est,
  47                                  spinlock_t *stats_lock, struct nlattr *opt);
  48 extern bool gen_estimator_active(const struct gnet_stats_basic_packed *bstats,
  49                                  const struct gnet_stats_rate_est *rate_est);
  50 #endif