include/linux/net_dropmon.h

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