Preview: batman_adv.h
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/usr/include/linux/batman_adv.h
/* SPDX-License-Identifier: MIT */
/* Copyright (C) B.A.T.M.A.N. contributors:
*
* Matthias Schiffer
*/
#ifndef _LINUX_BATMAN_ADV_H_
#define _LINUX_BATMAN_ADV_H_
#define BATADV_NL_NAME "batadv"
#define BATADV_NL_MCAST_GROUP_CONFIG "config"
#define BATADV_NL_MCAST_GROUP_TPMETER "tpmeter"
/**
* enum batadv_tt_client_flags - TT client specific flags
*
* 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: the client has to be deleted from the table
*/
BATADV_TT_CLIENT_DEL = (1 << 0),
/**
* @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_ROAM = (1 << 1),
/**
* @BATADV_TT_CLIENT_WIFI: this client is connected through a wifi
* interface. This information is used by the "AP Isolation" feature
*/
BATADV_TT_CLIENT_WIFI = (1 << 4),
/**
* @BATADV_TT_CLIENT_ISOLA: this client is considered "isolated". This
* information is used by the Extended Isolation feature
*/
BATADV_TT_CLIENT_ISOLA = (1 << 5),
/**
* @BATADV_TT_CLIENT_NOPURGE: this client should never be removed from
* the table
*/
BATADV_TT_CLIENT_NOPURGE = (1 << 8),
/**
* @BATADV_TT_CLIENT_NEW: this client has been added to the local table
* but has not been announced yet
*/
BATADV_TT_CLIENT_NEW = (1 << 9),
/**
* @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_PENDING = (1 << 10),
/**
* @BATADV_TT_CLIENT_TEMP: this global client has been detected to be
* part of the network but no node has already announced it
*/
BATADV_TT_CLIENT_TEMP = (1 << 11),
};
/**
* enum batadv_mcast_flags_priv - Private, own multicast flags
*
* These are internal, multicast related flags. Currently they describe certain
* multicast related attributes of the segment this originator bridges into the
* mesh.
*
* Those attributes are used to determine the public multicast flags this
* originator is going to announce via TT.
*
* For netlink, if BATADV_MCAST_FLAGS_BRIDGED is unset then all querier
* related flags are undefined.
*/
enum batadv_mcast_flags_priv {
/**
* @BATADV_MCAST_FLAGS_BRIDGED: There is a bridge on top of the mesh
* interface.
*/
BATADV_MCAST_FLAGS_BRIDGED = (1 << 0),
/**
* @BATADV_MCAST_FLAGS_QUERIER_IPV4_EXISTS: Whether an IGMP querier
* exists in the mesh
*/
BATADV_MCAST_FLAGS_QUERIER_IPV4_EXISTS = (1 << 1),
/**
* @BATADV_MCAST_FLAGS_QUERIER_IPV6_EXISTS: Whether an MLD querier
* exists in the mesh
*/
BATADV_MCAST_FLAGS_QUERIER_IPV6_EXISTS = (1 << 2),
/**
* @BATADV_MCAST_FLAGS_QUERIER_IPV4_SHADOWING: If an IGMP querier
* exists, whether it is potentially shadowing multicast listeners
* (i.e. querier is behind our own bridge segment)
*/
BATADV_MCAST_FLAGS_QUERIER_IPV4_SHADOWING = (1 << 3),
/**
* @BATADV_MCAST_FLAGS_QUERIER_IPV6_SHADOWING: If an MLD querier
* exists, whether it is potentially shadowing multicast listeners
* (i.e. querier is behind our own bridge segment)
*/
BATADV_MCAST_FLAGS_QUERIER_IPV6_SHADOWING = (1 << 4),
};
/**
* enum batadv_gw_modes - gateway mode of node
*/
enum batadv_gw_modes {
/** @BATADV_GW_MODE_OFF: gw mode disabled */
BATADV_GW_MODE_OFF,
/** @BATADV_GW_MODE_CLIENT: send DHCP requests to gw servers */
BATADV_GW_MODE_CLIENT,
/** @BATADV_GW_MODE_SERVER: announce itself as gateway server */
BATADV_GW_MODE_SERVER,
};
/**
* enum batadv_nl_attrs - batman-adv netlink attributes
*/
enum batadv_nl_attrs {
/**
* @BATADV_ATTR_UNSPEC: unspecified attribute to catch errors
*/
BATADV_ATTR_UNSPEC,
/**
* @BATADV_ATTR_VERSION: batman-adv version string
*/
BATADV_ATTR_VERSION,
/**
* @BATADV_ATTR_ALGO_NAME: name of routing algorithm
*/
BATADV_ATTR_ALGO_NAME,
/**
* @BATADV_ATTR_MESH_IFINDEX: index of the batman-adv interface
*/
BATADV_ATTR_MESH_IFINDEX,
/**
* @BATADV_ATTR_MESH_IFNAME: name of the batman-adv interface
*/
BATADV_ATTR_MESH_IFNAME,
/**
* @BATADV_ATTR_MESH_ADDRESS: mac address of the batman-adv interface
*/
BATADV_ATTR_MESH_ADDRESS,
/**
* @BATADV_ATTR_HARD_IFINDEX: index of the non-batman-adv interface
*/
BATADV_ATTR_HARD_IFINDEX,
/**
* @BATADV_ATTR_HARD_IFNAME: name of the non-batman-adv interface
*/
BATADV_ATTR_HARD_IFNAME,
/**
* @BATADV_ATTR_HARD_ADDRESS: mac address of the non-batman-adv
* interface
*/
BATADV_ATTR_HARD_ADDRESS,
/**
* @BATADV_ATTR_ORIG_ADDRESS: originator mac address
*/
BATADV_ATTR_ORIG_ADDRESS,
/**
* @BATADV_ATTR_TPMETER_RESULT: result of run (see
* batadv_tp_meter_status)
*/
BATADV_ATTR_TPMETER_RESULT,
/**
* @BATADV_ATTR_TPMETER_TEST_TIME: time (msec) the run took
*/
BATADV_ATTR_TPMETER_TEST_TIME,
/**
* @BATADV_ATTR_TPMETER_BYTES: amount of acked bytes during run
*/
BATADV_ATTR_TPMETER_BYTES,
/**
* @BATADV_ATTR_TPMETER_COOKIE: session cookie to match tp_meter session
*/
BATADV_ATTR_TPMETER_COOKIE,
/**
* @BATADV_ATTR_PAD: attribute used for padding for 64-bit alignment
*/
BATADV_ATTR_PAD,
/**
* @BATADV_ATTR_ACTIVE: Flag indicating if the hard interface is active
*/
BATADV_ATTR_ACTIVE,
/**
* @BATADV_ATTR_TT_ADDRESS: Client MAC address
*/
BATADV_ATTR_TT_ADDRESS,
/**
* @BATADV_ATTR_TT_TTVN: Translation table version
*/
BATADV_ATTR_TT_TTVN,
/**
* @BATADV_ATTR_TT_LAST_TTVN: Previous translation table version
*/
BATADV_ATTR_TT_LAST_TTVN,
/**
* @BATADV_ATTR_TT_CRC32: CRC32 over translation table
*/
BATADV_ATTR_TT_CRC32,
/**
* @BATADV_ATTR_TT_VID: VLAN ID
*/
BATADV_ATTR_TT_VID,
/**
* @BATADV_ATTR_TT_FLAGS: Translation table client flags
*/
BATADV_ATTR_TT_FLAGS,
/**
* @BATADV_ATTR_FLAG_BEST: Flags indicating entry is the best
*/
BATADV_ATTR_FLAG_BEST,
/**
* @BATADV_ATTR_LAST_SEEN_MSECS: Time in milliseconds since last seen
*/
BATADV_ATTR_LAST_SEEN_MSECS,
/**
* @BATADV_ATTR_NEIGH_ADDRESS: Neighbour MAC address
*/
BATADV_ATTR_NEIGH_ADDRESS,
/**
* @BATADV_ATTR_TQ: TQ to neighbour
*/
BATADV_ATTR_TQ,
/**
* @BATADV_ATTR_THROUGHPUT: Estimated throughput to Neighbour
*/
BATADV_ATTR_THROUGHPUT,
/**
* @BATADV_ATTR_BANDWIDTH_UP: Reported uplink bandwidth
*/
BATADV_ATTR_BANDWIDTH_UP,
/**
* @BATADV_ATTR_BANDWIDTH_DOWN: Reported downlink bandwidth
*/
BATADV_ATTR_BANDWIDTH_DOWN,
/**
* @BATADV_ATTR_ROUTER: Gateway router MAC address
*/
BATADV_ATTR_ROUTER,
/**
* @BATADV_ATTR_BLA_OWN: Flag indicating own originator
*/
BATADV_ATTR_BLA_OWN,
/**
* @BATADV_ATTR_BLA_ADDRESS: Bridge loop avoidance claim MAC address
*/
BATADV_ATTR_BLA_ADDRESS,
/**
* @BATADV_ATTR_BLA_VID: BLA VLAN ID
*/
BATADV_ATTR_BLA_VID,
/**
* @BATADV_ATTR_BLA_BACKBONE: BLA gateway originator MAC address
*/
BATADV_ATTR_BLA_BACKBONE,
/**
* @BATADV_ATTR_BLA_CRC: BLA CRC
*/
BATADV_ATTR_BLA_CRC,
/**
* @BATADV_ATTR_DAT_CACHE_IP4ADDRESS: Client IPv4 address
*/
BATADV_ATTR_DAT_CACHE_IP4ADDRESS,
/**
* @BATADV_ATTR_DAT_CACHE_HWADDRESS: Client MAC address
*/
BATADV_ATTR_DAT_CACHE_HWADDRESS,
/**
* @BATADV_ATTR_DAT_CACHE_VID: VLAN ID
*/
BATADV_ATTR_DAT_CACHE_VID,
/**
* @BATADV_ATTR_MCAST_FLAGS: Per originator multicast flags
*/
BATADV_ATTR_MCAST_FLAGS,
/**
* @BATADV_ATTR_MCAST_FLAGS_PRIV: Private, own multicast flags
*/
BATADV_ATTR_MCAST_FLAGS_PRIV,
/**
* @BATADV_ATTR_VLANID: VLAN id on top of soft interface
*/
BATADV_ATTR_VLANID,
/**
* @BATADV_ATTR_AGGREGATED_OGMS_ENABLED: whether the batman protocol
* messages of the mesh interface shall be aggregated or not.
*/
BATADV_ATTR_AGGREGATED_OGMS_ENABLED,
/**
* @BATADV_ATTR_AP_ISOLATION_ENABLED: whether the data traffic going
* from a wireless client to another wireless client will be silently
* dropped.
*/
BATADV_ATTR_AP_ISOLATION_ENABLED,
/**
* @BATADV_ATTR_ISOLATION_MARK: the isolation mark which is used to
* classify clients as "isolated" by the Extended Isolation feature.
*/
BATADV_ATTR_ISOLATION_MARK,
/**
* @BATADV_ATTR_ISOLATION_MASK: the isolation (bit)mask which is used to
* classify clients as "isolated" by the Extended Isolation feature.
*/
BATADV_ATTR_ISOLATION_MASK,
/**
* @BATADV_ATTR_BONDING_ENABLED: whether the data traffic going through
* the mesh will be sent using multiple interfaces at the same time.
*/
BATADV_ATTR_BONDING_ENABLED,
/**
* @BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED: whether the bridge loop
* avoidance feature is enabled. This feature detects and avoids loops
* between the mesh and devices bridged with the soft interface
*/
BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED,
/**
* @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED: whether the distributed
* arp table feature is enabled. This feature uses a distributed hash
* table to answer ARP requests without flooding the request through
* the whole mesh.
*/
BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED,
/**
* @BATADV_ATTR_FRAGMENTATION_ENABLED: whether the data traffic going
* through the mesh will be fragmented or silently discarded if the
* packet size exceeds the outgoing interface MTU.
*/
BATADV_ATTR_FRAGMENTATION_ENABLED,
/**
* @BATADV_ATTR_GW_BANDWIDTH_DOWN: defines the download bandwidth which
* is propagated by this node if %BATADV_ATTR_GW_BANDWIDTH_MODE was set
* to 'server'.
*/
BATADV_ATTR_GW_BANDWIDTH_DOWN,
/**
* @BATADV_ATTR_GW_BANDWIDTH_UP: defines the upload bandwidth which
* is propagated by this node if %BATADV_ATTR_GW_BANDWIDTH_MODE was set
* to 'server'.
*/
BATADV_ATTR_GW_BANDWIDTH_UP,
/**
* @BATADV_ATTR_GW_MODE: defines the state of the gateway features.
* Possible values are specified in enum batadv_gw_modes
*/
BATADV_ATTR_GW_MODE,
/**
* @BATADV_ATTR_GW_SEL_CLASS: defines the selection criteria this node
* will use to choose a gateway if gw_mode was set to 'client'.
*/
BATADV_ATTR_GW_SEL_CLASS,
/**
* @BATADV_ATTR_HOP_PENALTY: defines the penalty which will be applied
* to an originator message's tq-field on every hop and/or per
* hard interface
*/
BATADV_ATTR_HOP_PENALTY,
/**
* @BATADV_ATTR_LOG_LEVEL: bitmask with to define which debug messages
* should be send to the debug log/trace ring buffer
*/
BATADV_ATTR_LOG_LEVEL,
/**
* @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED: whether multicast
* optimizations should be replaced by simple broadcast-like flooding
* of multicast packets. If set to non-zero then all nodes in the mesh
* are going to use classic flooding for any multicast packet with no
* optimizations.
*/
BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED,
/**
* @BATADV_ATTR_NETWORK_CODING_ENABLED: whether Network Coding (using
* some magic to send fewer wifi packets but still the same content) is
* enabled or not.
*/
BATADV_ATTR_NETWORK_CODING_ENABLED,
/**
* @BATADV_ATTR_ORIG_INTERVAL: defines the interval in milliseconds in
* which batman sends its protocol messages.
*/
BATADV_ATTR_ORIG_INTERVAL,
/**
* @BATADV_ATTR_ELP_INTERVAL: defines the interval in milliseconds in
* which batman emits probing packets for neighbor sensing (ELP).
*/
BATADV_ATTR_ELP_INTERVAL,
/**
* @BATADV_ATTR_THROUGHPUT_OVERRIDE: defines the throughput value to be
* used by B.A.T.M.A.N. V when estimating the link throughput using
* this interface. If the value is set to 0 then batman-adv will try to
* estimate the throughput by itself.
*/
BATADV_ATTR_THROUGHPUT_OVERRIDE,
/**
* @BATADV_ATTR_MULTICAST_FANOUT: defines the maximum number of packet
* copies that may be generated for a multicast-to-unicast conversion.
* Once this limit is exceeded distribution will fall back to broadcast.
*/
BATADV_ATTR_MULTICAST_FANOUT,
/* add attributes above here, update the policy in netlink.c */
/**
* @__BATADV_ATTR_AFTER_LAST: internal use
*/
__BATADV_ATTR_AFTER_LAST,
/**
* @NUM_BATADV_ATTR: total number of batadv_nl_attrs available
*/
NUM_BATADV_ATTR = __BATADV_ATTR_AFTER_LAST,
/**
* @BATADV_ATTR_MAX: highest attribute number currently defined
*/
BATADV_ATTR_MAX = __BATADV_ATTR_AFTER_LAST - 1
};
/**
* enum batadv_nl_commands - supported batman-adv netlink commands
*/
enum batadv_nl_commands {
/**
* @BATADV_CMD_UNSPEC: unspecified command to catch errors
*/
BATADV_CMD_UNSPEC,
/**
* @BATADV_CMD_GET_MESH: Get attributes from softif/mesh
*/
BATADV_CMD_GET_MESH,
/**
* @BATADV_CMD_GET_MESH_INFO: Alias for @BATADV_CMD_GET_MESH
*/
BATADV_CMD_GET_MESH_INFO = BATADV_CMD_GET_MESH,
/**
* @BATADV_CMD_TP_METER: Start a tp meter session
*/
BATADV_CMD_TP_METER,
/**
* @BATADV_CMD_TP_METER_CANCEL: Cancel a tp meter session
*/
BATADV_CMD_TP_METER_CANCEL,
/**
* @BATADV_CMD_GET_ROUTING_ALGOS: Query the list of routing algorithms.
*/
BATADV_CMD_GET_ROUTING_ALGOS,
/**
* @BATADV_CMD_GET_HARDIF: Get attributes from a hardif of the
* current softif
*/
BATADV_CMD_GET_HARDIF,
/**
* @BATADV_CMD_GET_HARDIFS: Alias for @BATADV_CMD_GET_HARDIF
*/
BATADV_CMD_GET_HARDIFS = BATADV_CMD_GET_HARDIF,
/**
* @BATADV_CMD_GET_TRANSTABLE_LOCAL: Query list of local translations
*/
BATADV_CMD_GET_TRANSTABLE_LOCAL,
/**
* @BATADV_CMD_GET_TRANSTABLE_GLOBAL: Query list of global translations
*/
BATADV_CMD_GET_TRANSTABLE_GLOBAL,
/**
* @BATADV_CMD_GET_ORIGINATORS: Query list of originators
*/
BATADV_CMD_GET_ORIGINATORS,
/**
* @BATADV_CMD_GET_NEIGHBORS: Query list of neighbours
*/
BATADV_CMD_GET_NEIGHBORS,
/**
* @BATADV_CMD_GET_GATEWAYS: Query list of gateways
*/
BATADV_CMD_GET_GATEWAYS,
/**
* @BATADV_CMD_GET_BLA_CLAIM: Query list of bridge loop avoidance claims
*/
BATADV_CMD_GET_BLA_CLAIM,
/**
* @BATADV_CMD_GET_BLA_BACKBONE: Query list of bridge loop avoidance
* backbones
*/
BATADV_CMD_GET_BLA_BACKBONE,
/**
* @BATADV_CMD_GET_DAT_CACHE: Query list of DAT cache entries
*/
BATADV_CMD_GET_DAT_CACHE,
/**
* @BATADV_CMD_GET_MCAST_FLAGS: Query list of multicast flags
*/
BATADV_CMD_GET_MCAST_FLAGS,
/**
* @BATADV_CMD_SET_MESH: Set attributes for softif/mesh
*/
BATADV_CMD_SET_MESH,
/**
* @BATADV_CMD_SET_HARDIF: Set attributes for hardif of the
* current softif
*/
BATADV_CMD_SET_HARDIF,
/**
* @BATADV_CMD_GET_VLAN: Get attributes from a VLAN of the
* current softif
*/
BATADV_CMD_GET_VLAN,
/**
* @BATADV_CMD_SET_VLAN: Set attributes for VLAN of the
* current softif
*/
BATADV_CMD_SET_VLAN,
/* add new commands above here */
/**
* @__BATADV_CMD_AFTER_LAST: internal use
*/
__BATADV_CMD_AFTER_LAST,
/**
* @BATADV_CMD_MAX: highest used command number
*/
BATADV_CMD_MAX = __BATADV_CMD_AFTER_LAST - 1
};
/**
* enum batadv_tp_meter_reason - reason of a tp meter test run stop
*/
enum batadv_tp_meter_reason {
/**
* @BATADV_TP_REASON_COMPLETE: sender finished tp run
*/
BATADV_TP_REASON_COMPLETE = 3,
/**
* @BATADV_TP_REASON_CANCEL: sender was stopped during run
*/
BATADV_TP_REASON_CANCEL = 4,
/* error status >= 128 */
/**
* @BATADV_TP_REASON_DST_UNREACHABLE: receiver could not be reached or
* didn't answer
*/
BATADV_TP_REASON_DST_UNREACHABLE = 128,
/**
* @BATADV_TP_REASON_RESEND_LIMIT: (unused) sender retry reached limit
*/
BATADV_TP_REASON_RESEND_LIMIT = 129,
/**
* @BATADV_TP_REASON_ALREADY_ONGOING: test to or from the same node
* already ongoing
*/
BATADV_TP_REASON_ALREADY_ONGOING = 130,
/**
* @BATADV_TP_REASON_MEMORY_ERROR: test was stopped due to low memory
*/
BATADV_TP_REASON_MEMORY_ERROR = 131,
/**
* @BATADV_TP_REASON_CANT_SEND: failed to send via outgoing interface
*/
BATADV_TP_REASON_CANT_SEND = 132,
/**
* @BATADV_TP_REASON_TOO_MANY: too many ongoing sessions
*/
BATADV_TP_REASON_TOO_MANY = 133,
};
/**
* enum batadv_ifla_attrs - batman-adv ifla nested attributes
*/
enum batadv_ifla_attrs {
/**
* @IFLA_BATADV_UNSPEC: unspecified attribute which is not parsed by
* rtnetlink
*/
IFLA_BATADV_UNSPEC,
/**
* @IFLA_BATADV_ALGO_NAME: routing algorithm (name) which should be
* used by the newly registered batadv net_device.
*/
IFLA_BATADV_ALGO_NAME,
/* add attributes above here, update the policy in soft-interface.c */
/**
* @__IFLA_BATADV_MAX: internal use
*/
__IFLA_BATADV_MAX,
};
#define IFLA_BATADV_MAX (__IFLA_BATADV_MAX - 1)
#endif /* _LINUX_BATMAN_ADV_H_ */
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