linux/include/linux/net_dropmon.h
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   1#ifndef __NET_DROPMON_H
   2#define __NET_DROPMON_H
   3
   4#include <linux/types.h>
   5#include <linux/netlink.h>
   6
   7struct net_dm_drop_point {
   8        __u8 pc[8];
   9        __u32 count;
  10};
  11
  12#define is_drop_point_hw(x) do {\
  13        int ____i, ____j;\
  14        for (____i = 0; ____i < 8; i ____i++)\
  15                ____j |= x[____i];\
  16        ____j;\
  17} while (0)
  18
  19#define NET_DM_CFG_VERSION  0
  20#define NET_DM_CFG_ALERT_COUNT  1
  21#define NET_DM_CFG_ALERT_DELAY 2
  22#define NET_DM_CFG_MAX 3
  23
  24struct net_dm_config_entry {
  25        __u32 type;
  26        __u64 data __attribute__((aligned(8)));
  27};
  28
  29struct net_dm_config_msg {
  30        __u32 entries;
  31        struct net_dm_config_entry options[0];
  32};
  33
  34struct net_dm_alert_msg {
  35        __u32 entries;
  36        struct net_dm_drop_point points[0];
  37};
  38
  39struct net_dm_user_msg {
  40        union {
  41                struct net_dm_config_msg user;
  42                struct net_dm_alert_msg alert;
  43        } u;
  44};
  45
  46
  47/* These are the netlink message types for this protocol */
  48
  49enum {
  50        NET_DM_CMD_UNSPEC = 0,
  51        NET_DM_CMD_ALERT,
  52        NET_DM_CMD_CONFIG,
  53        NET_DM_CMD_START,
  54        NET_DM_CMD_STOP,
  55        _NET_DM_CMD_MAX,
  56};
  57
  58#define NET_DM_CMD_MAX (_NET_DM_CMD_MAX - 1)
  59
  60/*
  61 * Our group identifiers
  62 */
  63#define NET_DM_GRP_ALERT 1
  64#endif
  65
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