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