LXR linux/include/uapi/linux/net

   1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2#ifndef __NET_DROPMON_H
   3#define __NET_DROPMON_H
   4
   5#include <linux/types.h>
   6#include <linux/netlink.h>
   7
   8struct net_dm_drop_point {
   9        __u8 pc[8];
  10        __u32 count;
  11};
  12
  13#define is_drop_point_hw(x) do {\
  14        int ____i, ____j;\
  15        for (____i = 0; ____i < 8; i ____i++)\
  16                ____j |= x[____i];\
  17        ____j;\
  18} while (0)
  19
  20#define NET_DM_CFG_VERSION  0
  21#define NET_DM_CFG_ALERT_COUNT  1
  22#define NET_DM_CFG_ALERT_DELAY 2
  23#define NET_DM_CFG_MAX 3
  24
  25struct net_dm_config_entry {
  26        __u32 type;
  27        __u64 data __attribute__((aligned(8)));
  28};
  29
  30struct net_dm_config_msg {
  31        __u32 entries;
  32        struct net_dm_config_entry options[0];
  33};
  34
  35struct net_dm_alert_msg {
  36        __u32 entries;
  37        struct net_dm_drop_point points[0];
  38};
  39
  40struct net_dm_user_msg {
  41        union {
  42                struct net_dm_config_msg user;
  43                struct net_dm_alert_msg alert;
  44        } u;
  45};
  46
  47
  48/* These are the netlink message types for this protocol */
  49
  50enum {
  51        NET_DM_CMD_UNSPEC = 0,
  52        NET_DM_CMD_ALERT,
  53        NET_DM_CMD_CONFIG,
  54        NET_DM_CMD_START,
  55        NET_DM_CMD_STOP,
  56        _NET_DM_CMD_MAX,
  57};
  58
  59#define NET_DM_CMD_MAX (_NET_DM_CMD_MAX - 1)
  60
  61/*
  62 * Our group identifiers
  63 */
  64#define NET_DM_GRP_ALERT 1
  65#endif
  66