[thirdparty/linux.git] / include / uapi / linux / net_dropmon.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI__NET_DROPMON_H
#define _UAPI__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[];
};

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

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_PACKET_ALERT,
	NET_DM_CMD_CONFIG_GET,
	NET_DM_CMD_CONFIG_NEW,
	NET_DM_CMD_STATS_GET,
	NET_DM_CMD_STATS_NEW,
	_NET_DM_CMD_MAX,
};

#define NET_DM_CMD_MAX (_NET_DM_CMD_MAX - 1)

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

enum net_dm_attr {
	NET_DM_ATTR_UNSPEC,

	NET_DM_ATTR_ALERT_MODE,			/* u8 */
	NET_DM_ATTR_PC,				/* u64 */
	NET_DM_ATTR_SYMBOL,			/* string */
	NET_DM_ATTR_IN_PORT,			/* nested */
	NET_DM_ATTR_TIMESTAMP,			/* u64 */
	NET_DM_ATTR_PROTO,			/* u16 */
	NET_DM_ATTR_PAYLOAD,			/* binary */
	NET_DM_ATTR_PAD,
	NET_DM_ATTR_TRUNC_LEN,			/* u32 */
	NET_DM_ATTR_ORIG_LEN,			/* u32 */
	NET_DM_ATTR_QUEUE_LEN,			/* u32 */
	NET_DM_ATTR_STATS,			/* nested */
	NET_DM_ATTR_HW_STATS,			/* nested */
	NET_DM_ATTR_ORIGIN,			/* u16 */
	NET_DM_ATTR_HW_TRAP_GROUP_NAME,		/* string */
	NET_DM_ATTR_HW_TRAP_NAME,		/* string */
	NET_DM_ATTR_HW_ENTRIES,			/* nested */
	NET_DM_ATTR_HW_ENTRY,			/* nested */
	NET_DM_ATTR_HW_TRAP_COUNT,		/* u32 */
	NET_DM_ATTR_SW_DROPS,			/* flag */
	NET_DM_ATTR_HW_DROPS,			/* flag */
	NET_DM_ATTR_FLOW_ACTION_COOKIE,		/* binary */
	NET_DM_ATTR_REASON,			/* string */

	__NET_DM_ATTR_MAX,
	NET_DM_ATTR_MAX = __NET_DM_ATTR_MAX - 1
};

/**
 * enum net_dm_alert_mode - Alert mode.
 * @NET_DM_ALERT_MODE_SUMMARY: A summary of recent drops is sent to user space.
 * @NET_DM_ALERT_MODE_PACKET: Each dropped packet is sent to user space along
 *                            with metadata.
 */
enum net_dm_alert_mode {
	NET_DM_ALERT_MODE_SUMMARY,
	NET_DM_ALERT_MODE_PACKET,
};

enum {
	NET_DM_ATTR_PORT_NETDEV_IFINDEX,	/* u32 */
	NET_DM_ATTR_PORT_NETDEV_NAME,		/* string */

	__NET_DM_ATTR_PORT_MAX,
	NET_DM_ATTR_PORT_MAX = __NET_DM_ATTR_PORT_MAX - 1
};

enum {
	NET_DM_ATTR_STATS_DROPPED,		/* u64 */

	__NET_DM_ATTR_STATS_MAX,
	NET_DM_ATTR_STATS_MAX = __NET_DM_ATTR_STATS_MAX - 1
};

enum net_dm_origin {
	NET_DM_ORIGIN_SW,
	NET_DM_ORIGIN_HW,
};

#endif
Commit	Line	Data
	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
	2	#ifndef _UAPI__NET_DROPMON_H
	3	#define _UAPI__NET_DROPMON_H
	4
	5	#include <linux/types.h>
	6	#include <linux/netlink.h>
	7
	8	struct 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
	25	struct net_dm_config_entry {
	26	__u32 type;
	27	__u64 data __attribute__((aligned(8)));
	28	};
	29
	30	struct net_dm_config_msg {
	31	__u32 entries;
	32	struct net_dm_config_entry options[];
	33	};
	34
	35	struct net_dm_alert_msg {
	36	__u32 entries;
	37	struct net_dm_drop_point points[];
	38	};
	39
	40	struct 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
	50	enum {
	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_PACKET_ALERT,
	57	NET_DM_CMD_CONFIG_GET,
	58	NET_DM_CMD_CONFIG_NEW,
	59	NET_DM_CMD_STATS_GET,
	60	NET_DM_CMD_STATS_NEW,
	61	_NET_DM_CMD_MAX,
	62	};
	63
	64	#define NET_DM_CMD_MAX (_NET_DM_CMD_MAX - 1)
	65
	66	/*
	67	* Our group identifiers
	68	*/
	69	#define NET_DM_GRP_ALERT 1
	70
	71	enum net_dm_attr {
	72	NET_DM_ATTR_UNSPEC,
	73
	74	NET_DM_ATTR_ALERT_MODE, /* u8 */
	75	NET_DM_ATTR_PC, /* u64 */
	76	NET_DM_ATTR_SYMBOL, /* string */
	77	NET_DM_ATTR_IN_PORT, /* nested */
	78	NET_DM_ATTR_TIMESTAMP, /* u64 */
	79	NET_DM_ATTR_PROTO, /* u16 */
	80	NET_DM_ATTR_PAYLOAD, /* binary */
	81	NET_DM_ATTR_PAD,
	82	NET_DM_ATTR_TRUNC_LEN, /* u32 */
	83	NET_DM_ATTR_ORIG_LEN, /* u32 */
	84	NET_DM_ATTR_QUEUE_LEN, /* u32 */
	85	NET_DM_ATTR_STATS, /* nested */
	86	NET_DM_ATTR_HW_STATS, /* nested */
	87	NET_DM_ATTR_ORIGIN, /* u16 */
	88	NET_DM_ATTR_HW_TRAP_GROUP_NAME, /* string */
	89	NET_DM_ATTR_HW_TRAP_NAME, /* string */
	90	NET_DM_ATTR_HW_ENTRIES, /* nested */
	91	NET_DM_ATTR_HW_ENTRY, /* nested */
	92	NET_DM_ATTR_HW_TRAP_COUNT, /* u32 */
	93	NET_DM_ATTR_SW_DROPS, /* flag */
	94	NET_DM_ATTR_HW_DROPS, /* flag */
	95	NET_DM_ATTR_FLOW_ACTION_COOKIE, /* binary */
	96	NET_DM_ATTR_REASON, /* string */
	97
	98	__NET_DM_ATTR_MAX,
	99	NET_DM_ATTR_MAX = __NET_DM_ATTR_MAX - 1
	100	};
	101
	102	/**
	103	* enum net_dm_alert_mode - Alert mode.
	104	* @NET_DM_ALERT_MODE_SUMMARY: A summary of recent drops is sent to user space.
	105	* @NET_DM_ALERT_MODE_PACKET: Each dropped packet is sent to user space along
	106	* with metadata.
	107	*/
	108	enum net_dm_alert_mode {
	109	NET_DM_ALERT_MODE_SUMMARY,
	110	NET_DM_ALERT_MODE_PACKET,
	111	};
	112
	113	enum {
	114	NET_DM_ATTR_PORT_NETDEV_IFINDEX, /* u32 */
	115	NET_DM_ATTR_PORT_NETDEV_NAME, /* string */
	116
	117	__NET_DM_ATTR_PORT_MAX,
	118	NET_DM_ATTR_PORT_MAX = __NET_DM_ATTR_PORT_MAX - 1
	119	};
	120
	121	enum {
	122	NET_DM_ATTR_STATS_DROPPED, /* u64 */
	123
	124	__NET_DM_ATTR_STATS_MAX,
	125	NET_DM_ATTR_STATS_MAX = __NET_DM_ATTR_STATS_MAX - 1
	126	};
	127
	128	enum net_dm_origin {
	129	NET_DM_ORIGIN_SW,
	130	NET_DM_ORIGIN_HW,
	131	};
	132
	133	#endif