| /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) */ |
| /* Copyright (C) B.A.T.M.A.N. contributors: |
| * |
| * Marek Lindner, Simon Wunderlich |
| */ |
| |
| #ifndef _UAPI_LINUX_BATADV_PACKET_H_ |
| #define _UAPI_LINUX_BATADV_PACKET_H_ |
| |
| #include <asm/byteorder.h> |
| #include <linux/if_ether.h> |
| #include <linux/types.h> |
| |
| /** |
| * batadv_tp_is_error() - Check throughput meter return code for error |
| * @n: throughput meter return code |
| * |
| * Return: 0 when not error was detected, != 0 otherwise |
| */ |
| #define batadv_tp_is_error(n) ((__u8)(n) > 127 ? 1 : 0) |
| |
| /** |
| * enum batadv_packettype - types for batman-adv encapsulated packets |
| * @BATADV_IV_OGM: originator messages for B.A.T.M.A.N. IV |
| * @BATADV_BCAST: broadcast packets carrying broadcast payload |
| * @BATADV_CODED: network coded packets |
| * @BATADV_ELP: echo location packets for B.A.T.M.A.N. V |
| * @BATADV_OGM2: originator messages for B.A.T.M.A.N. V |
| * @BATADV_MCAST: multicast packet with multiple destination addresses |
| * |
| * @BATADV_UNICAST: unicast packets carrying unicast payload traffic |
| * @BATADV_UNICAST_FRAG: unicast packets carrying a fragment of the original |
| * payload packet |
| * @BATADV_UNICAST_4ADDR: unicast packet including the originator address of |
| * the sender |
| * @BATADV_ICMP: unicast packet like IP ICMP used for ping or traceroute |
| * @BATADV_UNICAST_TVLV: unicast packet carrying TVLV containers |
| */ |
| enum batadv_packettype { |
| /* 0x00 - 0x3f: local packets or special rules for handling */ |
| BATADV_IV_OGM = 0x00, |
| BATADV_BCAST = 0x01, |
| BATADV_CODED = 0x02, |
| BATADV_ELP = 0x03, |
| BATADV_OGM2 = 0x04, |
| BATADV_MCAST = 0x05, |
| /* 0x40 - 0x7f: unicast */ |
| #define BATADV_UNICAST_MIN 0x40 |
| BATADV_UNICAST = 0x40, |
| BATADV_UNICAST_FRAG = 0x41, |
| BATADV_UNICAST_4ADDR = 0x42, |
| BATADV_ICMP = 0x43, |
| BATADV_UNICAST_TVLV = 0x44, |
| #define BATADV_UNICAST_MAX 0x7f |
| /* 0x80 - 0xff: reserved */ |
| }; |
| |
| /** |
| * enum batadv_subtype - packet subtype for unicast4addr |
| * @BATADV_P_DATA: user payload |
| * @BATADV_P_DAT_DHT_GET: DHT request message |
| * @BATADV_P_DAT_DHT_PUT: DHT store message |
| * @BATADV_P_DAT_CACHE_REPLY: ARP reply generated by DAT |
| */ |
| enum batadv_subtype { |
| BATADV_P_DATA = 0x01, |
| BATADV_P_DAT_DHT_GET = 0x02, |
| BATADV_P_DAT_DHT_PUT = 0x03, |
| BATADV_P_DAT_CACHE_REPLY = 0x04, |
| }; |
| |
| /* this file is included by batctl which needs these defines */ |
| #define BATADV_COMPAT_VERSION 15 |
| |
| /** |
| * enum batadv_iv_flags - flags used in B.A.T.M.A.N. IV OGM packets |
| * @BATADV_NOT_BEST_NEXT_HOP: flag is set when the ogm packet is forwarded and |
| * was previously received from someone other than the best neighbor. |
| * @BATADV_PRIMARIES_FIRST_HOP: flag unused. |
| * @BATADV_DIRECTLINK: flag is for the first hop or if rebroadcasted from a |
| * one hop neighbor on the interface where it was originally received. |
| */ |
| enum batadv_iv_flags { |
| BATADV_NOT_BEST_NEXT_HOP = 1UL << 0, |
| BATADV_PRIMARIES_FIRST_HOP = 1UL << 1, |
| BATADV_DIRECTLINK = 1UL << 2, |
| }; |
| |
| /** |
| * enum batadv_icmp_packettype - ICMP message types |
| * @BATADV_ECHO_REPLY: success reply to BATADV_ECHO_REQUEST |
| * @BATADV_DESTINATION_UNREACHABLE: failure when route to destination not found |
| * @BATADV_ECHO_REQUEST: request BATADV_ECHO_REPLY from destination |
| * @BATADV_TTL_EXCEEDED: error after BATADV_ECHO_REQUEST traversed too many hops |
| * @BATADV_PARAMETER_PROBLEM: return code for malformed messages |
| * @BATADV_TP: throughput meter packet |
| */ |
| enum batadv_icmp_packettype { |
| BATADV_ECHO_REPLY = 0, |
| BATADV_DESTINATION_UNREACHABLE = 3, |
| BATADV_ECHO_REQUEST = 8, |
| BATADV_TTL_EXCEEDED = 11, |
| BATADV_PARAMETER_PROBLEM = 12, |
| BATADV_TP = 15, |
| }; |
| |
| /** |
| * enum batadv_mcast_flags - flags for multicast capabilities and settings |
| * @BATADV_MCAST_WANT_ALL_UNSNOOPABLES: we want all packets destined for |
| * 224.0.0.0/24 or ff02::1 |
| * @BATADV_MCAST_WANT_ALL_IPV4: we want all IPv4 multicast packets |
| * (both link-local and routable ones) |
| * @BATADV_MCAST_WANT_ALL_IPV6: we want all IPv6 multicast packets |
| * (both link-local and routable ones) |
| * @BATADV_MCAST_WANT_NO_RTR4: we have no IPv4 multicast router and therefore |
| * only need routable IPv4 multicast packets we signed up for explicitly |
| * @BATADV_MCAST_WANT_NO_RTR6: we have no IPv6 multicast router and therefore |
| * only need routable IPv6 multicast packets we signed up for explicitly |
| * @BATADV_MCAST_HAVE_MC_PTYPE_CAPA: we can parse, receive and forward |
| * batman-adv multicast packets with a multicast tracker TVLV. And all our |
| * hard interfaces have an MTU of at least 1280 bytes. |
| */ |
| enum batadv_mcast_flags { |
| BATADV_MCAST_WANT_ALL_UNSNOOPABLES = 1UL << 0, |
| BATADV_MCAST_WANT_ALL_IPV4 = 1UL << 1, |
| BATADV_MCAST_WANT_ALL_IPV6 = 1UL << 2, |
| BATADV_MCAST_WANT_NO_RTR4 = 1UL << 3, |
| BATADV_MCAST_WANT_NO_RTR6 = 1UL << 4, |
| BATADV_MCAST_HAVE_MC_PTYPE_CAPA = 1UL << 5, |
| }; |
| |
| /* tt data subtypes */ |
| #define BATADV_TT_DATA_TYPE_MASK 0x0F |
| |
| /** |
| * enum batadv_tt_data_flags - flags for tt data tvlv |
| * @BATADV_TT_OGM_DIFF: TT diff propagated through OGM |
| * @BATADV_TT_REQUEST: TT request message |
| * @BATADV_TT_RESPONSE: TT response message |
| * @BATADV_TT_FULL_TABLE: contains full table to replace existing table |
| */ |
| enum batadv_tt_data_flags { |
| BATADV_TT_OGM_DIFF = 1UL << 0, |
| BATADV_TT_REQUEST = 1UL << 1, |
| BATADV_TT_RESPONSE = 1UL << 2, |
| BATADV_TT_FULL_TABLE = 1UL << 4, |
| }; |
| |
| /** |
| * enum batadv_vlan_flags - flags for the four MSB of any vlan ID field |
| * @BATADV_VLAN_HAS_TAG: whether the field contains a valid vlan tag or not |
| */ |
| enum batadv_vlan_flags { |
| BATADV_VLAN_HAS_TAG = 1UL << 15, |
| }; |
| |
| /** |
| * enum batadv_bla_claimframe - claim frame types for the bridge loop avoidance |
| * @BATADV_CLAIM_TYPE_CLAIM: claim of a client mac address |
| * @BATADV_CLAIM_TYPE_UNCLAIM: unclaim of a client mac address |
| * @BATADV_CLAIM_TYPE_ANNOUNCE: announcement of backbone with current crc |
| * @BATADV_CLAIM_TYPE_REQUEST: request of full claim table |
| * @BATADV_CLAIM_TYPE_LOOPDETECT: mesh-traversing loop detect packet |
| */ |
| enum batadv_bla_claimframe { |
| BATADV_CLAIM_TYPE_CLAIM = 0x00, |
| BATADV_CLAIM_TYPE_UNCLAIM = 0x01, |
| BATADV_CLAIM_TYPE_ANNOUNCE = 0x02, |
| BATADV_CLAIM_TYPE_REQUEST = 0x03, |
| BATADV_CLAIM_TYPE_LOOPDETECT = 0x04, |
| }; |
| |
| /** |
| * enum batadv_tvlv_type - tvlv type definitions |
| * @BATADV_TVLV_GW: gateway tvlv |
| * @BATADV_TVLV_DAT: distributed arp table tvlv |
| * @BATADV_TVLV_NC: network coding tvlv |
| * @BATADV_TVLV_TT: translation table tvlv |
| * @BATADV_TVLV_ROAM: roaming advertisement tvlv |
| * @BATADV_TVLV_MCAST: multicast capability tvlv |
| * @BATADV_TVLV_MCAST_TRACKER: multicast tracker tvlv |
| */ |
| enum batadv_tvlv_type { |
| BATADV_TVLV_GW = 0x01, |
| BATADV_TVLV_DAT = 0x02, |
| BATADV_TVLV_NC = 0x03, |
| BATADV_TVLV_TT = 0x04, |
| BATADV_TVLV_ROAM = 0x05, |
| BATADV_TVLV_MCAST = 0x06, |
| BATADV_TVLV_MCAST_TRACKER = 0x07, |
| }; |
| |
| #pragma pack(2) |
| /* the destination hardware field in the ARP frame is used to |
| * transport the claim type and the group id |
| */ |
| struct batadv_bla_claim_dst { |
| __u8 magic[3]; /* FF:43:05 */ |
| __u8 type; /* bla_claimframe */ |
| __be16 group; /* group id */ |
| }; |
| |
| /** |
| * struct batadv_ogm_packet - ogm (routing protocol) packet |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @flags: contains routing relevant flags - see enum batadv_iv_flags |
| * @seqno: sequence identification |
| * @orig: address of the source node |
| * @prev_sender: address of the previous sender |
| * @reserved: reserved byte for alignment |
| * @tq: transmission quality |
| * @tvlv_len: length of tvlv data following the ogm header |
| */ |
| struct batadv_ogm_packet { |
| __u8 packet_type; |
| __u8 version; |
| __u8 ttl; |
| __u8 flags; |
| __be32 seqno; |
| __u8 orig[ETH_ALEN]; |
| __u8 prev_sender[ETH_ALEN]; |
| __u8 reserved; |
| __u8 tq; |
| __be16 tvlv_len; |
| }; |
| |
| #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) |
| |
| /** |
| * struct batadv_ogm2_packet - ogm2 (routing protocol) packet |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @flags: reserved for routing relevant flags - currently always 0 |
| * @seqno: sequence number |
| * @orig: originator mac address |
| * @tvlv_len: length of the appended tvlv buffer (in bytes) |
| * @throughput: the currently flooded path throughput |
| */ |
| struct batadv_ogm2_packet { |
| __u8 packet_type; |
| __u8 version; |
| __u8 ttl; |
| __u8 flags; |
| __be32 seqno; |
| __u8 orig[ETH_ALEN]; |
| __be16 tvlv_len; |
| __be32 throughput; |
| }; |
| |
| #define BATADV_OGM2_HLEN sizeof(struct batadv_ogm2_packet) |
| |
| /** |
| * struct batadv_elp_packet - elp (neighbor discovery) packet |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @orig: originator mac address |
| * @seqno: sequence number |
| * @elp_interval: currently used ELP sending interval in ms |
| */ |
| struct batadv_elp_packet { |
| __u8 packet_type; |
| __u8 version; |
| __u8 orig[ETH_ALEN]; |
| __be32 seqno; |
| __be32 elp_interval; |
| }; |
| |
| #define BATADV_ELP_HLEN sizeof(struct batadv_elp_packet) |
| |
| /** |
| * struct batadv_icmp_header - common members among all the ICMP packets |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @msg_type: ICMP packet type |
| * @dst: address of the destination node |
| * @orig: address of the source node |
| * @uid: local ICMP socket identifier |
| * @align: not used - useful for alignment purposes only |
| * |
| * This structure is used for ICMP packet parsing only and it is never sent |
| * over the wire. The alignment field at the end is there to ensure that |
| * members are padded the same way as they are in real packets. |
| */ |
| struct batadv_icmp_header { |
| __u8 packet_type; |
| __u8 version; |
| __u8 ttl; |
| __u8 msg_type; /* see ICMP message types above */ |
| __u8 dst[ETH_ALEN]; |
| __u8 orig[ETH_ALEN]; |
| __u8 uid; |
| __u8 align[3]; |
| }; |
| |
| /** |
| * struct batadv_icmp_packet - ICMP packet |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @msg_type: ICMP packet type |
| * @dst: address of the destination node |
| * @orig: address of the source node |
| * @uid: local ICMP socket identifier |
| * @reserved: not used - useful for alignment |
| * @seqno: ICMP sequence number |
| */ |
| struct batadv_icmp_packet { |
| __u8 packet_type; |
| __u8 version; |
| __u8 ttl; |
| __u8 msg_type; /* see ICMP message types above */ |
| __u8 dst[ETH_ALEN]; |
| __u8 orig[ETH_ALEN]; |
| __u8 uid; |
| __u8 reserved; |
| __be16 seqno; |
| }; |
| |
| /** |
| * struct batadv_icmp_tp_packet - ICMP TP Meter packet |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @msg_type: ICMP packet type |
| * @dst: address of the destination node |
| * @orig: address of the source node |
| * @uid: local ICMP socket identifier |
| * @subtype: TP packet subtype (see batadv_icmp_tp_subtype) |
| * @session: TP session identifier |
| * @seqno: the TP sequence number |
| * @timestamp: time when the packet has been sent. This value is filled in a |
| * TP_MSG and echoed back in the next TP_ACK so that the sender can compute the |
| * RTT. Since it is read only by the host which wrote it, there is no need to |
| * store it using network order |
| */ |
| struct batadv_icmp_tp_packet { |
| __u8 packet_type; |
| __u8 version; |
| __u8 ttl; |
| __u8 msg_type; /* see ICMP message types above */ |
| __u8 dst[ETH_ALEN]; |
| __u8 orig[ETH_ALEN]; |
| __u8 uid; |
| __u8 subtype; |
| __u8 session[2]; |
| __be32 seqno; |
| __be32 timestamp; |
| }; |
| |
| /** |
| * enum batadv_icmp_tp_subtype - ICMP TP Meter packet subtypes |
| * @BATADV_TP_MSG: Msg from sender to receiver |
| * @BATADV_TP_ACK: acknowledgment from receiver to sender |
| */ |
| enum batadv_icmp_tp_subtype { |
| BATADV_TP_MSG = 0, |
| BATADV_TP_ACK, |
| }; |
| |
| #define BATADV_RR_LEN 16 |
| |
| /** |
| * struct batadv_icmp_packet_rr - ICMP RouteRecord packet |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @msg_type: ICMP packet type |
| * @dst: address of the destination node |
| * @orig: address of the source node |
| * @uid: local ICMP socket identifier |
| * @rr_cur: number of entries the rr array |
| * @seqno: ICMP sequence number |
| * @rr: route record array |
| */ |
| struct batadv_icmp_packet_rr { |
| __u8 packet_type; |
| __u8 version; |
| __u8 ttl; |
| __u8 msg_type; /* see ICMP message types above */ |
| __u8 dst[ETH_ALEN]; |
| __u8 orig[ETH_ALEN]; |
| __u8 uid; |
| __u8 rr_cur; |
| __be16 seqno; |
| __u8 rr[BATADV_RR_LEN][ETH_ALEN]; |
| }; |
| |
| #define BATADV_ICMP_MAX_PACKET_SIZE sizeof(struct batadv_icmp_packet_rr) |
| |
| /* All packet headers in front of an ethernet header have to be completely |
| * divisible by 2 but not by 4 to make the payload after the ethernet |
| * header again 4 bytes boundary aligned. |
| * |
| * A packing of 2 is necessary to avoid extra padding at the end of the struct |
| * caused by a structure member which is larger than two bytes. Otherwise |
| * the structure would not fulfill the previously mentioned rule to avoid the |
| * misalignment of the payload after the ethernet header. It may also lead to |
| * leakage of information when the padding it not initialized before sending. |
| */ |
| |
| /** |
| * struct batadv_unicast_packet - unicast packet for network payload |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @ttvn: translation table version number |
| * @dest: originator destination of the unicast packet |
| */ |
| struct batadv_unicast_packet { |
| __u8 packet_type; |
| __u8 version; |
| __u8 ttl; |
| __u8 ttvn; /* destination translation table version number */ |
| __u8 dest[ETH_ALEN]; |
| /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| * following ethernet header again 4 bytes boundary aligned |
| */ |
| }; |
| |
| /** |
| * struct batadv_unicast_4addr_packet - extended unicast packet |
| * @u: common unicast packet header |
| * @src: address of the source |
| * @subtype: packet subtype |
| * @reserved: reserved byte for alignment |
| */ |
| struct batadv_unicast_4addr_packet { |
| struct batadv_unicast_packet u; |
| __u8 src[ETH_ALEN]; |
| __u8 subtype; |
| __u8 reserved; |
| /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| * following ethernet header again 4 bytes boundary aligned |
| */ |
| }; |
| |
| /** |
| * struct batadv_frag_packet - fragmented packet |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @dest: final destination used when routing fragments |
| * @orig: originator of the fragment used when merging the packet |
| * @no: fragment number within this sequence |
| * @priority: priority of frame, from ToS IP precedence or 802.1p |
| * @reserved: reserved byte for alignment |
| * @seqno: sequence identification |
| * @total_size: size of the merged packet |
| */ |
| struct batadv_frag_packet { |
| __u8 packet_type; |
| __u8 version; /* batman version field */ |
| __u8 ttl; |
| #if defined(__BIG_ENDIAN_BITFIELD) |
| __u8 no:4; |
| __u8 priority:3; |
| __u8 reserved:1; |
| #elif defined(__LITTLE_ENDIAN_BITFIELD) |
| __u8 reserved:1; |
| __u8 priority:3; |
| __u8 no:4; |
| #else |
| #error "unknown bitfield endianness" |
| #endif |
| __u8 dest[ETH_ALEN]; |
| __u8 orig[ETH_ALEN]; |
| __be16 seqno; |
| __be16 total_size; |
| }; |
| |
| /** |
| * struct batadv_bcast_packet - broadcast packet for network payload |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @reserved: reserved byte for alignment |
| * @seqno: sequence identification |
| * @orig: originator of the broadcast packet |
| */ |
| struct batadv_bcast_packet { |
| __u8 packet_type; |
| __u8 version; /* batman version field */ |
| __u8 ttl; |
| __u8 reserved; |
| __be32 seqno; |
| __u8 orig[ETH_ALEN]; |
| /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| * following ethernet header again 4 bytes boundary aligned |
| */ |
| }; |
| |
| /** |
| * struct batadv_mcast_packet - multicast packet for network payload |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @reserved: reserved byte for alignment |
| * @tvlv_len: length of the appended tvlv buffer (in bytes) |
| */ |
| struct batadv_mcast_packet { |
| __u8 packet_type; |
| __u8 version; |
| __u8 ttl; |
| __u8 reserved; |
| __be16 tvlv_len; |
| /* "4 bytes boundary + 2 bytes" long to make the payload after the |
| * following ethernet header again 4 bytes boundary aligned |
| */ |
| }; |
| |
| /** |
| * struct batadv_coded_packet - network coded packet |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @first_source: original source of first included packet |
| * @first_orig_dest: original destination of first included packet |
| * @first_crc: checksum of first included packet |
| * @first_ttvn: tt-version number of first included packet |
| * @second_ttl: ttl of second packet |
| * @second_dest: second receiver of this coded packet |
| * @second_source: original source of second included packet |
| * @second_orig_dest: original destination of second included packet |
| * @second_crc: checksum of second included packet |
| * @second_ttvn: tt version number of second included packet |
| * @coded_len: length of network coded part of the payload |
| */ |
| struct batadv_coded_packet { |
| __u8 packet_type; |
| __u8 version; /* batman version field */ |
| __u8 ttl; |
| __u8 first_ttvn; |
| /* __u8 first_dest[ETH_ALEN]; - saved in mac header destination */ |
| __u8 first_source[ETH_ALEN]; |
| __u8 first_orig_dest[ETH_ALEN]; |
| __be32 first_crc; |
| __u8 second_ttl; |
| __u8 second_ttvn; |
| __u8 second_dest[ETH_ALEN]; |
| __u8 second_source[ETH_ALEN]; |
| __u8 second_orig_dest[ETH_ALEN]; |
| __be32 second_crc; |
| __be16 coded_len; |
| }; |
| |
| /** |
| * struct batadv_unicast_tvlv_packet - generic unicast packet with tvlv payload |
| * @packet_type: batman-adv packet type, part of the general header |
| * @version: batman-adv protocol version, part of the general header |
| * @ttl: time to live for this packet, part of the general header |
| * @reserved: reserved field (for packet alignment) |
| * @src: address of the source |
| * @dst: address of the destination |
| * @tvlv_len: length of tvlv data following the unicast tvlv header |
| * @align: 2 bytes to align the header to a 4 byte boundary |
| */ |
| struct batadv_unicast_tvlv_packet { |
| __u8 packet_type; |
| __u8 version; /* batman version field */ |
| __u8 ttl; |
| __u8 reserved; |
| __u8 dst[ETH_ALEN]; |
| __u8 src[ETH_ALEN]; |
| __be16 tvlv_len; |
| __u16 align; |
| }; |
| |
| /** |
| * struct batadv_tvlv_hdr - base tvlv header struct |
| * @type: tvlv container type (see batadv_tvlv_type) |
| * @version: tvlv container version |
| * @len: tvlv container length |
| */ |
| struct batadv_tvlv_hdr { |
| __u8 type; |
| __u8 version; |
| __be16 len; |
| }; |
| |
| /** |
| * struct batadv_tvlv_gateway_data - gateway data propagated through gw tvlv |
| * container |
| * @bandwidth_down: advertised uplink download bandwidth |
| * @bandwidth_up: advertised uplink upload bandwidth |
| */ |
| struct batadv_tvlv_gateway_data { |
| __be32 bandwidth_down; |
| __be32 bandwidth_up; |
| }; |
| |
| /** |
| * struct batadv_tvlv_tt_data - tt data propagated through the tt tvlv container |
| * @flags: translation table flags (see batadv_tt_data_flags) |
| * @ttvn: translation table version number |
| * @num_vlan: number of announced VLANs. In the TVLV this struct is followed by |
| * one batadv_tvlv_tt_vlan_data object per announced vlan |
| */ |
| struct batadv_tvlv_tt_data { |
| __u8 flags; |
| __u8 ttvn; |
| __be16 num_vlan; |
| }; |
| |
| /** |
| * struct batadv_tvlv_tt_vlan_data - vlan specific tt data propagated through |
| * the tt tvlv container |
| * @crc: crc32 checksum of the entries belonging to this vlan |
| * @vid: vlan identifier |
| * @reserved: unused, useful for alignment purposes |
| */ |
| struct batadv_tvlv_tt_vlan_data { |
| __be32 crc; |
| __be16 vid; |
| __u16 reserved; |
| }; |
| |
| /** |
| * struct batadv_tvlv_tt_change - translation table diff data |
| * @flags: status indicators concerning the non-mesh client (see |
| * batadv_tt_client_flags) |
| * @reserved: reserved field - useful for alignment purposes only |
| * @addr: mac address of non-mesh client that triggered this tt change |
| * @vid: VLAN identifier |
| */ |
| struct batadv_tvlv_tt_change { |
| __u8 flags; |
| __u8 reserved[3]; |
| __u8 addr[ETH_ALEN]; |
| __be16 vid; |
| }; |
| |
| /** |
| * struct batadv_tvlv_roam_adv - roaming advertisement |
| * @client: mac address of roaming client |
| * @vid: VLAN identifier |
| */ |
| struct batadv_tvlv_roam_adv { |
| __u8 client[ETH_ALEN]; |
| __be16 vid; |
| }; |
| |
| /** |
| * struct batadv_tvlv_mcast_data - payload of a multicast tvlv |
| * @flags: multicast flags announced by the orig node |
| * @reserved: reserved field |
| */ |
| struct batadv_tvlv_mcast_data { |
| __u8 flags; |
| __u8 reserved[3]; |
| }; |
| |
| /** |
| * struct batadv_tvlv_mcast_tracker - payload of a multicast tracker tvlv |
| * @num_dests: number of subsequent destination originator MAC addresses |
| */ |
| struct batadv_tvlv_mcast_tracker { |
| __be16 num_dests; |
| }; |
| |
| #pragma pack() |
| |
| #endif /* _UAPI_LINUX_BATADV_PACKET_H_ */ |
