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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __UAPI_PSAMPLE_H
#define __UAPI_PSAMPLE_H

enum {
	PSAMPLE_ATTR_IIFINDEX,
	PSAMPLE_ATTR_OIFINDEX,
	PSAMPLE_ATTR_ORIGSIZE,
	PSAMPLE_ATTR_SAMPLE_GROUP,
	PSAMPLE_ATTR_GROUP_SEQ,
	PSAMPLE_ATTR_SAMPLE_RATE, /* u32, ratio between observed and
				   * sampled packets or scaled probability
				   * if PSAMPLE_ATTR_SAMPLE_PROBABILITY
				   * is set.
				   */
	PSAMPLE_ATTR_DATA,
	PSAMPLE_ATTR_GROUP_REFCOUNT,
	PSAMPLE_ATTR_TUNNEL,

	PSAMPLE_ATTR_PAD,
	PSAMPLE_ATTR_OUT_TC,		 /* u16 */
	PSAMPLE_ATTR_OUT_TC_OCC,	 /* u64, bytes */
	PSAMPLE_ATTR_LATENCY,		 /* u64, nanoseconds */
	PSAMPLE_ATTR_TIMESTAMP,		 /* u64, nanoseconds */
	PSAMPLE_ATTR_PROTO,		 /* u16 */
	PSAMPLE_ATTR_USER_COOKIE,	 /* binary, user provided data */
	PSAMPLE_ATTR_SAMPLE_PROBABILITY, /* no argument, interpret rate in
					  * PSAMPLE_ATTR_SAMPLE_RATE as a
					  * probability scaled 0 - U32_MAX.
					  */

	__PSAMPLE_ATTR_MAX
};

enum psample_command {
	PSAMPLE_CMD_SAMPLE,
	PSAMPLE_CMD_GET_GROUP,
	PSAMPLE_CMD_NEW_GROUP,
	PSAMPLE_CMD_DEL_GROUP,
};

enum psample_tunnel_key_attr {
	PSAMPLE_TUNNEL_KEY_ATTR_ID,	       /* be64 Tunnel ID */
	PSAMPLE_TUNNEL_KEY_ATTR_IPV4_SRC,      /* be32 src IP address. */
	PSAMPLE_TUNNEL_KEY_ATTR_IPV4_DST,      /* be32 dst IP address. */
	PSAMPLE_TUNNEL_KEY_ATTR_TOS,	       /* u8 Tunnel IP ToS. */
	PSAMPLE_TUNNEL_KEY_ATTR_TTL,	       /* u8 Tunnel IP TTL. */
	PSAMPLE_TUNNEL_KEY_ATTR_DONT_FRAGMENT, /* No argument, set DF. */
	PSAMPLE_TUNNEL_KEY_ATTR_CSUM,	       /* No argument. CSUM packet. */
	PSAMPLE_TUNNEL_KEY_ATTR_OAM,	       /* No argument. OAM frame.  */
	PSAMPLE_TUNNEL_KEY_ATTR_GENEVE_OPTS,   /* Array of Geneve options. */
	PSAMPLE_TUNNEL_KEY_ATTR_TP_SRC,	       /* be16 src Transport Port. */
	PSAMPLE_TUNNEL_KEY_ATTR_TP_DST,	       /* be16 dst Transport Port. */
	PSAMPLE_TUNNEL_KEY_ATTR_VXLAN_OPTS,    /* Nested VXLAN opts* */
	PSAMPLE_TUNNEL_KEY_ATTR_IPV6_SRC, /* struct in6_addr src IPv6 address.
					   */
	PSAMPLE_TUNNEL_KEY_ATTR_IPV6_DST, /* struct in6_addr dst IPv6 address.
					   */
	PSAMPLE_TUNNEL_KEY_ATTR_PAD,
	PSAMPLE_TUNNEL_KEY_ATTR_ERSPAN_OPTS,	  /* struct erspan_metadata */
	PSAMPLE_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE, /* No argument.
						     IPV4_INFO_BRIDGE mode.*/
	__PSAMPLE_TUNNEL_KEY_ATTR_MAX
};

/* Can be overridden at runtime by module option */
#define PSAMPLE_ATTR_MAX (__PSAMPLE_ATTR_MAX - 1)

#define PSAMPLE_NL_MCGRP_CONFIG_NAME "config"
#define PSAMPLE_NL_MCGRP_SAMPLE_NAME "packets"
#define PSAMPLE_GENL_NAME	     "psample"
#define PSAMPLE_GENL_VERSION	     1

#endif