/* Copyright (C) 2016-2017  B.A.T.M.A.N. contributors:
 *
 * Matthias Schiffer
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _LINUX_BATMAN_ADV_H_
#define _LINUX_BATMAN_ADV_H_

#define BATADV_NL_NAME "batadv"

#define BATADV_NL_MCAST_GROUP_TPMETER	"tpmeter"

/**
 * enum batadv_tt_client_flags - TT client specific flags
 * @BATADV_TT_CLIENT_DEL: the client has to be deleted from the table
 * @BATADV_TT_CLIENT_ROAM: the client roamed to/from another node and the new
 *  update telling its new real location has not been received/sent yet
 * @BATADV_TT_CLIENT_WIFI: this client is connected through a wifi interface.
 *  This information is used by the "AP Isolation" feature
 * @BATADV_TT_CLIENT_ISOLA: this client is considered "isolated". This
 *  information is used by the Extended Isolation feature
 * @BATADV_TT_CLIENT_NOPURGE: this client should never be removed from the table
 * @BATADV_TT_CLIENT_NEW: this client has been added to the local table but has
 *  not been announced yet
 * @BATADV_TT_CLIENT_PENDING: this client is marked for removal but it is kept
 *  in the table for one more originator interval for consistency purposes
 * @BATADV_TT_CLIENT_TEMP: this global client has been detected to be part of
 *  the network but no nnode has already announced it
 *
 * Bits from 0 to 7 are called _remote flags_ because they are sent on the wire.
 * Bits from 8 to 15 are called _local flags_ because they are used for local
 * computations only.
 *
 * Bits from 4 to 7 - a subset of remote flags - are ensured to be in sync with
 * the other nodes in the network. To achieve this goal these flags are included
 * in the TT CRC computation.
 */
enum batadv_tt_client_flags {
	BATADV_TT_CLIENT_DEL     = (1 << 0),
	BATADV_TT_CLIENT_ROAM    = (1 << 1),
	BATADV_TT_CLIENT_WIFI    = (1 << 4),
	BATADV_TT_CLIENT_ISOLA	 = (1 << 5),
	BATADV_TT_CLIENT_NOPURGE = (1 << 8),
	BATADV_TT_CLIENT_NEW     = (1 << 9),
	BATADV_TT_CLIENT_PENDING = (1 << 10),
	BATADV_TT_CLIENT_TEMP	 = (1 << 11),
};

/**
 * enum batadv_nl_attrs - batman-adv netlink attributes
 *
 * @BATADV_ATTR_UNSPEC: unspecified attribute to catch errors
 * @BATADV_ATTR_VERSION: batman-adv version string
 * @BATADV_ATTR_ALGO_NAME: name of routing algorithm
 * @BATADV_ATTR_MESH_IFINDEX: index of the batman-adv interface
 * @BATADV_ATTR_MESH_IFNAME: name of the batman-adv interface
 * @BATADV_ATTR_MESH_ADDRESS: mac address of the batman-adv interface
 * @BATADV_ATTR_HARD_IFINDEX: index of the non-batman-adv interface
 * @BATADV_ATTR_HARD_IFNAME: name of the non-batman-adv interface
 * @BATADV_ATTR_HARD_ADDRESS: mac address of the non-batman-adv interface
 * @BATADV_ATTR_ORIG_ADDRESS: originator mac address
 * @BATADV_ATTR_TPMETER_RESULT: result of run (see batadv_tp_meter_status)
 * @BATADV_ATTR_TPMETER_TEST_TIME: time (msec) the run took
 * @BATADV_ATTR_TPMETER_BYTES: amount of acked bytes during run
 * @BATADV_ATTR_TPMETER_COOKIE: session cookie to match tp_meter session
 * @BATADV_ATTR_PAD: attribute used for padding for 64-bit alignment
 * @BATADV_ATTR_ACTIVE: Flag indicating if the hard interface is active
 * @BATADV_ATTR_TT_ADDRESS: Client MAC address
 * @BATADV_ATTR_TT_TTVN: Translation table version
 * @BATADV_ATTR_TT_LAST_TTVN: Previous translation table version
 * @BATADV_ATTR_TT_CRC32: CRC32 over translation table
 * @BATADV_ATTR_TT_VID: VLAN ID
 * @BATADV_ATTR_TT_FLAGS: Translation table client flags
 * @BATADV_ATTR_FLAG_BEST: Flags indicating entry is the best
 * @BATADV_ATTR_LAST_SEEN_MSECS: Time in milliseconds since last seen
 * @BATADV_ATTR_NEIGH_ADDRESS: Neighbour MAC address
 * @BATADV_ATTR_TQ: TQ to neighbour
 * @BATADV_ATTR_THROUGHPUT: Estimated throughput to Neighbour
 * @BATADV_ATTR_BANDWIDTH_UP: Reported uplink bandwidth
 * @BATADV_ATTR_BANDWIDTH_DOWN: Reported downlink bandwidth
 * @BATADV_ATTR_ROUTER: Gateway router MAC address
 * @BATADV_ATTR_BLA_OWN: Flag indicating own originator
 * @BATADV_ATTR_BLA_ADDRESS: Bridge loop avoidance claim MAC address
 * @BATADV_ATTR_BLA_VID: BLA VLAN ID
 * @BATADV_ATTR_BLA_BACKBONE: BLA gateway originator MAC address
 * @BATADV_ATTR_BLA_CRC: BLA CRC
 * @__BATADV_ATTR_AFTER_LAST: internal use
 * @NUM_BATADV_ATTR: total number of batadv_nl_attrs available
 * @BATADV_ATTR_MAX: highest attribute number currently defined
 */
enum batadv_nl_attrs {
	BATADV_ATTR_UNSPEC,
	BATADV_ATTR_VERSION,
	BATADV_ATTR_ALGO_NAME,
	BATADV_ATTR_MESH_IFINDEX,
	BATADV_ATTR_MESH_IFNAME,
	BATADV_ATTR_MESH_ADDRESS,
	BATADV_ATTR_HARD_IFINDEX,
	BATADV_ATTR_HARD_IFNAME,
	BATADV_ATTR_HARD_ADDRESS,
	BATADV_ATTR_ORIG_ADDRESS,
	BATADV_ATTR_TPMETER_RESULT,
	BATADV_ATTR_TPMETER_TEST_TIME,
	BATADV_ATTR_TPMETER_BYTES,
	BATADV_ATTR_TPMETER_COOKIE,
	BATADV_ATTR_PAD,
	BATADV_ATTR_ACTIVE,
	BATADV_ATTR_TT_ADDRESS,
	BATADV_ATTR_TT_TTVN,
	BATADV_ATTR_TT_LAST_TTVN,
	BATADV_ATTR_TT_CRC32,
	BATADV_ATTR_TT_VID,
	BATADV_ATTR_TT_FLAGS,
	BATADV_ATTR_FLAG_BEST,
	BATADV_ATTR_LAST_SEEN_MSECS,
	BATADV_ATTR_NEIGH_ADDRESS,
	BATADV_ATTR_TQ,
	BATADV_ATTR_THROUGHPUT,
	BATADV_ATTR_BANDWIDTH_UP,
	BATADV_ATTR_BANDWIDTH_DOWN,
	BATADV_ATTR_ROUTER,
	BATADV_ATTR_BLA_OWN,
	BATADV_ATTR_BLA_ADDRESS,
	BATADV_ATTR_BLA_VID,
	BATADV_ATTR_BLA_BACKBONE,
	BATADV_ATTR_BLA_CRC,
	/* add attributes above here, update the policy in netlink.c */
	__BATADV_ATTR_AFTER_LAST,
	NUM_BATADV_ATTR = __BATADV_ATTR_AFTER_LAST,
	BATADV_ATTR_MAX = __BATADV_ATTR_AFTER_LAST - 1
};

/**
 * enum batadv_nl_commands - supported batman-adv netlink commands
 *
 * @BATADV_CMD_UNSPEC: unspecified command to catch errors
 * @BATADV_CMD_GET_MESH_INFO: Query basic information about batman-adv device
 * @BATADV_CMD_TP_METER: Start a tp meter session
 * @BATADV_CMD_TP_METER_CANCEL: Cancel a tp meter session
 * @BATADV_CMD_GET_ROUTING_ALGOS: Query the list of routing algorithms.
 * @BATADV_CMD_GET_HARDIFS: Query list of hard interfaces
 * @BATADV_CMD_GET_TRANSTABLE_LOCAL: Query list of local translations
 * @BATADV_CMD_GET_TRANSTABLE_GLOBAL Query list of global translations
 * @BATADV_CMD_GET_ORIGINATORS: Query list of originators
 * @BATADV_CMD_GET_NEIGHBORS: Query list of neighbours
 * @BATADV_CMD_GET_GATEWAYS: Query list of gateways
 * @BATADV_CMD_GET_BLA_CLAIM: Query list of bridge loop avoidance claims
 * @BATADV_CMD_GET_BLA_BACKBONE: Query list of bridge loop avoidance backbones
 * @__BATADV_CMD_AFTER_LAST: internal use
 * @BATADV_CMD_MAX: highest used command number
 */
enum batadv_nl_commands {
	BATADV_CMD_UNSPEC,
	BATADV_CMD_GET_MESH_INFO,
	BATADV_CMD_TP_METER,
	BATADV_CMD_TP_METER_CANCEL,
	BATADV_CMD_GET_ROUTING_ALGOS,
	BATADV_CMD_GET_HARDIFS,
	BATADV_CMD_GET_TRANSTABLE_LOCAL,
	BATADV_CMD_GET_TRANSTABLE_GLOBAL,
	BATADV_CMD_GET_ORIGINATORS,
	BATADV_CMD_GET_NEIGHBORS,
	BATADV_CMD_GET_GATEWAYS,
	BATADV_CMD_GET_BLA_CLAIM,
	BATADV_CMD_GET_BLA_BACKBONE,
	/* add new commands above here */
	__BATADV_CMD_AFTER_LAST,
	BATADV_CMD_MAX = __BATADV_CMD_AFTER_LAST - 1
};

/**
 * enum batadv_tp_meter_reason - reason of a tp meter test run stop
 * @BATADV_TP_REASON_COMPLETE: sender finished tp run
 * @BATADV_TP_REASON_CANCEL: sender was stopped during run
 * @BATADV_TP_REASON_DST_UNREACHABLE: receiver could not be reached or didn't
 *  answer
 * @BATADV_TP_REASON_RESEND_LIMIT: (unused) sender retry reached limit
 * @BATADV_TP_REASON_ALREADY_ONGOING: test to or from the same node already
 *  ongoing
 * @BATADV_TP_REASON_MEMORY_ERROR: test was stopped due to low memory
 * @BATADV_TP_REASON_CANT_SEND: failed to send via outgoing interface
 * @BATADV_TP_REASON_TOO_MANY: too many ongoing sessions
 */
enum batadv_tp_meter_reason {
	BATADV_TP_REASON_COMPLETE		= 3,
	BATADV_TP_REASON_CANCEL			= 4,
	/* error status >= 128 */
	BATADV_TP_REASON_DST_UNREACHABLE	= 128,
	BATADV_TP_REASON_RESEND_LIMIT		= 129,
	BATADV_TP_REASON_ALREADY_ONGOING	= 130,
	BATADV_TP_REASON_MEMORY_ERROR		= 131,
	BATADV_TP_REASON_CANT_SEND		= 132,
	BATADV_TP_REASON_TOO_MANY		= 133,
};

#endif /* _LINUX_BATMAN_ADV_H_ */