/* SPDX-License-Identifier: MIT */ /* Copyright (C) 2016-2020 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, }; #endif /* _LINUX_BATMAN_ADV_H_ */