F: Documentation/ABI/testing/sysfs-class-net-batman-adv
F: Documentation/ABI/testing/sysfs-class-net-mesh
F: Documentation/networking/batman-adv.rst
+F: include/uapi/linux/batadv_packet.h
F: include/uapi/linux/batman_adv.h
F: net/batman-adv/
--- /dev/null
+/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) */
+/* Copyright (C) 2007-2017 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner, Simon Wunderlich
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#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_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,
+ /* 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 ogm packet is forwarded and was
+ * previously received from someone else 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
+ * @BATADV_MCAST_WANT_ALL_IPV6: we want all IPv6 multicast packets
+ */
+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,
+};
+
+/* 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
+ */
+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,
+};
+
+#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 */
+};
+
+#pragma pack()
+
+/**
+ * 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 genereal header
+ * @ttl: time to live for this packet, part of the genereal 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;
+ /* __packed is not needed as the struct size is divisible by 4,
+ * and the largest data type in this struct has a size of 4.
+ */
+};
+
+#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: reseved 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;
+ /* __packed is not needed as the struct size is divisible by 4,
+ * and the largest data type in this struct has a size of 4.
+ */
+};
+
+#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 genereal 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 genereal header
+ * @ttl: time to live for this packet, part of the genereal 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 packets 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 genereal header
+ * @ttl: time to live for this packet, part of the genereal 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 genereal header
+ * @ttl: time to live for this packet, part of the genereal 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 genereal header
+ * @ttl: time to live for this packet, part of the genereal 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.
+ */
+#pragma pack(2)
+
+/**
+ * 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 genereal header
+ * @ttl: time to live for this packet, part of the genereal 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 genereal header
+ * @ttl: time to live for this packet, part of the genereal 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 genereal header
+ * @ttl: time to live for this packet, part of the genereal 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_coded_packet - network coded packet
+ * @packet_type: batman-adv packet type, part of the general header
+ * @version: batman-adv protocol version, part of the genereal header
+ * @ttl: time to live for this packet, part of the genereal header
+ * @first_source: original source of first included packet
+ * @first_orig_dest: original destinal 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;
+};
+
+#pragma pack()
+
+/**
+ * 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 genereal header
+ * @ttl: time to live for this packet, part of the genereal 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];
+};
+
+#endif /* _UAPI_LINUX_BATADV_PACKET_H_ */
#include <linux/workqueue.h>
#include <net/genetlink.h>
#include <net/netlink.h>
+#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
#include "bat_algo.h"
#include "netlink.h"
#include "network-coding.h"
#include "originator.h"
-#include "packet.h"
#include "routing.h"
#include "send.h"
#include "translation-table.h"
#include <linux/workqueue.h>
#include <net/genetlink.h>
#include <net/netlink.h>
+#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
#include "bat_algo.h"
#include "log.h"
#include "netlink.h"
#include "originator.h"
-#include "packet.h"
struct sk_buff;
#include <linux/types.h>
#include <linux/workqueue.h>
#include <net/cfg80211.h>
+#include <uapi/linux/batadv_packet.h>
#include "bat_algo.h"
#include "bat_v_ogm.h"
#include "hard-interface.h"
#include "log.h"
#include "originator.h"
-#include "packet.h"
#include "routing.h"
#include "send.h"
#include <linux/string.h>
#include <linux/types.h>
#include <linux/workqueue.h>
+#include <uapi/linux/batadv_packet.h>
#include "bat_algo.h"
#include "hard-interface.h"
#include "hash.h"
#include "log.h"
#include "originator.h"
-#include "packet.h"
#include "routing.h"
#include "send.h"
#include "translation-table.h"
#include <net/genetlink.h>
#include <net/netlink.h>
#include <net/sock.h>
+#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
#include "hard-interface.h"
#include "log.h"
#include "netlink.h"
#include "originator.h"
-#include "packet.h"
#include "soft-interface.h"
#include "sysfs.h"
#include "translation-table.h"
#include <linux/compiler.h>
#include <linux/netdevice.h>
#include <linux/types.h>
+#include <uapi/linux/batadv_packet.h>
#include "originator.h"
-#include "packet.h"
struct seq_file;
struct sk_buff;
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/string.h>
+#include <uapi/linux/batadv_packet.h>
#include "hard-interface.h"
#include "originator.h"
-#include "packet.h"
#include "routing.h"
#include "send.h"
#include "soft-interface.h"
#include <linux/stddef.h>
#include <linux/udp.h>
#include <net/sock.h>
+#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
#include "gateway_common.h"
#include "log.h"
#include "netlink.h"
#include "originator.h"
-#include "packet.h"
#include "routing.h"
#include "soft-interface.h"
#include "sysfs.h"
#include <linux/netdevice.h>
#include <linux/stddef.h>
#include <linux/string.h>
+#include <uapi/linux/batadv_packet.h>
#include "gateway_client.h"
#include "log.h"
-#include "packet.h"
#include "tvlv.h"
/**
#include <linux/spinlock.h>
#include <net/net_namespace.h>
#include <net/rtnetlink.h>
+#include <uapi/linux/batadv_packet.h>
#include "bat_v.h"
#include "bridge_loop_avoidance.h"
#include "gateway_client.h"
#include "log.h"
#include "originator.h"
-#include "packet.h"
#include "send.h"
#include "soft-interface.h"
#include "sysfs.h"
#include <linux/string.h>
#include <linux/uaccess.h>
#include <linux/wait.h>
+#include <uapi/linux/batadv_packet.h>
#include "hard-interface.h"
#include "log.h"
#include "originator.h"
-#include "packet.h"
#include "send.h"
static struct batadv_socket_client *batadv_socket_client_hash[256];
#include <linux/workqueue.h>
#include <net/dsfield.h>
#include <net/rtnetlink.h>
+#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
#include "bat_algo.h"
#include "netlink.h"
#include "network-coding.h"
#include "originator.h"
-#include "packet.h"
#include "routing.h"
#include "send.h"
#include "soft-interface.h"
#include <linux/jiffies.h>
#include <linux/percpu.h>
#include <linux/types.h>
+#include <uapi/linux/batadv_packet.h>
-#include "packet.h"
#include "types.h"
struct net_device;
#include <net/if_inet6.h>
#include <net/ip.h>
#include <net/ipv6.h>
+#include <uapi/linux/batadv_packet.h>
#include "hard-interface.h"
#include "hash.h"
#include "log.h"
-#include "packet.h"
#include "translation-table.h"
#include "tvlv.h"
#include <net/genetlink.h>
#include <net/netlink.h>
#include <net/sock.h>
+#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
#include "bat_algo.h"
#include "gateway_client.h"
#include "hard-interface.h"
#include "originator.h"
-#include "packet.h"
#include "soft-interface.h"
#include "tp_meter.h"
#include "translation-table.h"
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/workqueue.h>
+#include <uapi/linux/batadv_packet.h>
#include "hard-interface.h"
#include "hash.h"
#include "log.h"
#include "originator.h"
-#include "packet.h"
#include "routing.h"
#include "send.h"
#include "tvlv.h"
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (C) 2007-2017 B.A.T.M.A.N. contributors:
- *
- * Marek Lindner, Simon Wunderlich
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _NET_BATMAN_ADV_PACKET_H_
-#define _NET_BATMAN_ADV_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_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,
- /* 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 ogm packet is forwarded and was
- * previously received from someone else 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
- * @BATADV_MCAST_WANT_ALL_IPV6: we want all IPv6 multicast packets
- */
-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,
-};
-
-/* 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
- */
-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,
-};
-
-#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 */
-};
-
-#pragma pack()
-
-/**
- * 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 genereal header
- * @ttl: time to live for this packet, part of the genereal 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;
- /* __packed is not needed as the struct size is divisible by 4,
- * and the largest data type in this struct has a size of 4.
- */
-};
-
-#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: reseved 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;
- /* __packed is not needed as the struct size is divisible by 4,
- * and the largest data type in this struct has a size of 4.
- */
-};
-
-#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 genereal 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 genereal header
- * @ttl: time to live for this packet, part of the genereal 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 packets 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 genereal header
- * @ttl: time to live for this packet, part of the genereal 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 genereal header
- * @ttl: time to live for this packet, part of the genereal 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 genereal header
- * @ttl: time to live for this packet, part of the genereal 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.
- */
-#pragma pack(2)
-
-/**
- * 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 genereal header
- * @ttl: time to live for this packet, part of the genereal 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 genereal header
- * @ttl: time to live for this packet, part of the genereal 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 genereal header
- * @ttl: time to live for this packet, part of the genereal 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_coded_packet - network coded packet
- * @packet_type: batman-adv packet type, part of the general header
- * @version: batman-adv protocol version, part of the genereal header
- * @ttl: time to live for this packet, part of the genereal header
- * @first_source: original source of first included packet
- * @first_orig_dest: original destinal 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;
-};
-
-#pragma pack()
-
-/**
- * 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 genereal header
- * @ttl: time to live for this packet, part of the genereal 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];
-};
-
-#endif /* _NET_BATMAN_ADV_PACKET_H_ */
#include <linux/skbuff.h>
#include <linux/spinlock.h>
#include <linux/stddef.h>
+#include <uapi/linux/batadv_packet.h>
#include "bitarray.h"
#include "bridge_loop_avoidance.h"
#include "log.h"
#include "network-coding.h"
#include "originator.h"
-#include "packet.h"
#include "send.h"
#include "soft-interface.h"
#include "tp_meter.h"
#include <linux/compiler.h>
#include <linux/spinlock.h>
#include <linux/types.h>
-
-#include "packet.h"
+#include <uapi/linux/batadv_packet.h>
struct sk_buff;
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/types.h>
+#include <uapi/linux/batadv_packet.h>
#include "bat_algo.h"
#include "bridge_loop_avoidance.h"
#include "multicast.h"
#include "network-coding.h"
#include "originator.h"
-#include "packet.h"
#include "send.h"
#include "sysfs.h"
#include "translation-table.h"
#include <linux/string.h>
#include <linux/stringify.h>
#include <linux/workqueue.h>
+#include <uapi/linux/batadv_packet.h>
#include "bridge_loop_avoidance.h"
#include "distributed-arp-table.h"
#include "hard-interface.h"
#include "log.h"
#include "network-coding.h"
-#include "packet.h"
#include "soft-interface.h"
static struct net_device *batadv_kobj_to_netdev(struct kobject *obj)
#include <linux/timer.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
+#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
#include "hard-interface.h"
#include "log.h"
#include "netlink.h"
#include "originator.h"
-#include "packet.h"
#include "send.h"
/**
#include <net/genetlink.h>
#include <net/netlink.h>
#include <net/sock.h>
+#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
#include "bridge_loop_avoidance.h"
#include "log.h"
#include "netlink.h"
#include "originator.h"
-#include "packet.h"
#include "soft-interface.h"
#include "tvlv.h"
#include <linux/stddef.h>
#include <linux/string.h>
#include <linux/types.h>
+#include <uapi/linux/batadv_packet.h>
#include "originator.h"
-#include "packet.h"
#include "send.h"
#include "tvlv.h"
#include <linux/types.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
+#include <uapi/linux/batadv_packet.h>
#include <uapi/linux/batman_adv.h>
-#include "packet.h"
-
struct seq_file;
#ifdef CONFIG_BATMAN_ADV_DAT
projects / openwrt / staging / blogic.git / commitdiff