root/include/uapi/linux/net_dropmon.h

#ifndef __NET_DROPMON_H
#define __NET_DROPMON_H

#include <linux/types.h>
#include <linux/netlink.h>

struct net_dm_drop_point {
        __u8 pc[8];
        __u32 count;
};

#define is_drop_point_hw(x) do {\
        int ____i, ____j;\
        for (____i = 0; ____i < 8; i ____i++)\
                ____j |= x[____i];\
        ____j;\
} while (0)

#define NET_DM_CFG_VERSION  0
#define NET_DM_CFG_ALERT_COUNT  1
#define NET_DM_CFG_ALERT_DELAY 2
#define NET_DM_CFG_MAX 3

struct net_dm_config_entry {
        __u32 type;
        __u64 data __attribute__((aligned(8)));
};

struct net_dm_config_msg {
        __u32 entries;
        struct net_dm_config_entry options[0];
};

struct net_dm_alert_msg {
        __u32 entries;
        struct net_dm_drop_point points[0];
};

struct net_dm_user_msg {
        union {
                struct net_dm_config_msg user;
                struct net_dm_alert_msg alert;
        } u;
};


/* These are the netlink message types for this protocol */

enum {
        NET_DM_CMD_UNSPEC = 0,
        NET_DM_CMD_ALERT,
        NET_DM_CMD_CONFIG,
        NET_DM_CMD_START,
        NET_DM_CMD_STOP,
        _NET_DM_CMD_MAX,
};

#define NET_DM_CMD_MAX (_NET_DM_CMD_MAX - 1)

/*
 * Our group identifiers
 */
#define NET_DM_GRP_ALERT 1
#endif