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 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
  24 struct net_dm_config_entry {
  25         __u32 type;
  26         __u64 data __attribute__((aligned(8)));
  27 };
  28
  29 struct net_dm_config_msg {
  30         __u32 entries;
  31         struct net_dm_config_entry options[0];
  32 };
  33
  34 struct net_dm_alert_msg {
  35         __u32 entries;
  36         struct net_dm_drop_point points[0];
  37 };
  38
  39 struct 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
  49 enum {
  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