diff options
Diffstat (limited to 'net/batman-adv/packet.h')
| -rw-r--r-- | net/batman-adv/packet.h | 181 |
1 files changed, 92 insertions, 89 deletions
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index 0ee1af770798..8d3e55a96adc 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -1,5 +1,4 @@ -/* - * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors: +/* Copyright (C) 2007-2012 B.A.T.M.A.N. contributors: * * Marek Lindner, Simon Wunderlich * @@ -16,171 +15,172 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA - * */ #ifndef _NET_BATMAN_ADV_PACKET_H_ #define _NET_BATMAN_ADV_PACKET_H_ -#define ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */ - -enum bat_packettype { - BAT_IV_OGM = 0x01, - BAT_ICMP = 0x02, - BAT_UNICAST = 0x03, - BAT_BCAST = 0x04, - BAT_VIS = 0x05, - BAT_UNICAST_FRAG = 0x06, - BAT_TT_QUERY = 0x07, - BAT_ROAM_ADV = 0x08 +#define BATADV_ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */ + +enum batadv_packettype { + BATADV_IV_OGM = 0x01, + BATADV_ICMP = 0x02, + BATADV_UNICAST = 0x03, + BATADV_BCAST = 0x04, + BATADV_VIS = 0x05, + BATADV_UNICAST_FRAG = 0x06, + BATADV_TT_QUERY = 0x07, + BATADV_ROAM_ADV = 0x08, }; /* this file is included by batctl which needs these defines */ -#define COMPAT_VERSION 14 +#define BATADV_COMPAT_VERSION 14 -enum batman_iv_flags { - NOT_BEST_NEXT_HOP = 1 << 3, - PRIMARIES_FIRST_HOP = 1 << 4, - VIS_SERVER = 1 << 5, - DIRECTLINK = 1 << 6 +enum batadv_iv_flags { + BATADV_NOT_BEST_NEXT_HOP = 1 << 3, + BATADV_PRIMARIES_FIRST_HOP = 1 << 4, + BATADV_VIS_SERVER = 1 << 5, + BATADV_DIRECTLINK = 1 << 6, }; /* ICMP message types */ -enum icmp_packettype { - ECHO_REPLY = 0, - DESTINATION_UNREACHABLE = 3, - ECHO_REQUEST = 8, - TTL_EXCEEDED = 11, - PARAMETER_PROBLEM = 12 +enum batadv_icmp_packettype { + BATADV_ECHO_REPLY = 0, + BATADV_DESTINATION_UNREACHABLE = 3, + BATADV_ECHO_REQUEST = 8, + BATADV_TTL_EXCEEDED = 11, + BATADV_PARAMETER_PROBLEM = 12, }; /* vis defines */ -enum vis_packettype { - VIS_TYPE_SERVER_SYNC = 0, - VIS_TYPE_CLIENT_UPDATE = 1 +enum batadv_vis_packettype { + BATADV_VIS_TYPE_SERVER_SYNC = 0, + BATADV_VIS_TYPE_CLIENT_UPDATE = 1, }; /* fragmentation defines */ -enum unicast_frag_flags { - UNI_FRAG_HEAD = 1 << 0, - UNI_FRAG_LARGETAIL = 1 << 1 +enum batadv_unicast_frag_flags { + BATADV_UNI_FRAG_HEAD = 1 << 0, + BATADV_UNI_FRAG_LARGETAIL = 1 << 1, }; /* TT_QUERY subtypes */ -#define TT_QUERY_TYPE_MASK 0x3 +#define BATADV_TT_QUERY_TYPE_MASK 0x3 -enum tt_query_packettype { - TT_REQUEST = 0, - TT_RESPONSE = 1 +enum batadv_tt_query_packettype { + BATADV_TT_REQUEST = 0, + BATADV_TT_RESPONSE = 1, }; /* TT_QUERY flags */ -enum tt_query_flags { - TT_FULL_TABLE = 1 << 2 +enum batadv_tt_query_flags { + BATADV_TT_FULL_TABLE = 1 << 2, }; -/* TT_CLIENT flags. +/* BATADV_TT_CLIENT flags. * Flags from 1 to 1 << 7 are sent on the wire, while flags from 1 << 8 to - * 1 << 15 are used for local computation only */ -enum tt_client_flags { - TT_CLIENT_DEL = 1 << 0, - TT_CLIENT_ROAM = 1 << 1, - TT_CLIENT_WIFI = 1 << 2, - TT_CLIENT_NOPURGE = 1 << 8, - TT_CLIENT_NEW = 1 << 9, - TT_CLIENT_PENDING = 1 << 10 + * 1 << 15 are used for local computation only + */ +enum batadv_tt_client_flags { + BATADV_TT_CLIENT_DEL = 1 << 0, + BATADV_TT_CLIENT_ROAM = 1 << 1, + BATADV_TT_CLIENT_WIFI = 1 << 2, + BATADV_TT_CLIENT_NOPURGE = 1 << 8, + BATADV_TT_CLIENT_NEW = 1 << 9, + BATADV_TT_CLIENT_PENDING = 1 << 10, }; /* claim frame types for the bridge loop avoidance */ -enum bla_claimframe { - CLAIM_TYPE_ADD = 0x00, - CLAIM_TYPE_DEL = 0x01, - CLAIM_TYPE_ANNOUNCE = 0x02, - CLAIM_TYPE_REQUEST = 0x03 +enum batadv_bla_claimframe { + BATADV_CLAIM_TYPE_ADD = 0x00, + BATADV_CLAIM_TYPE_DEL = 0x01, + BATADV_CLAIM_TYPE_ANNOUNCE = 0x02, + BATADV_CLAIM_TYPE_REQUEST = 0x03, }; /* the destination hardware field in the ARP frame is used to * transport the claim type and the group id */ -struct bla_claim_dst { +struct batadv_bla_claim_dst { uint8_t magic[3]; /* FF:43:05 */ uint8_t type; /* bla_claimframe */ - uint16_t group; /* group id */ + __be16 group; /* group id */ } __packed; -struct batman_header { +struct batadv_header { uint8_t packet_type; uint8_t version; /* batman version field */ uint8_t ttl; } __packed; -struct batman_ogm_packet { - struct batman_header header; +struct batadv_ogm_packet { + struct batadv_header header; uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ - uint32_t seqno; + __be32 seqno; uint8_t orig[ETH_ALEN]; uint8_t prev_sender[ETH_ALEN]; uint8_t gw_flags; /* flags related to gateway class */ uint8_t tq; uint8_t tt_num_changes; uint8_t ttvn; /* translation table version number */ - uint16_t tt_crc; + __be16 tt_crc; } __packed; -#define BATMAN_OGM_HLEN sizeof(struct batman_ogm_packet) +#define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) -struct icmp_packet { - struct batman_header header; +struct batadv_icmp_packet { + struct batadv_header header; uint8_t msg_type; /* see ICMP message types above */ uint8_t dst[ETH_ALEN]; uint8_t orig[ETH_ALEN]; - uint16_t seqno; + __be16 seqno; uint8_t uid; uint8_t reserved; } __packed; -#define BAT_RR_LEN 16 +#define BATADV_RR_LEN 16 /* icmp_packet_rr must start with all fields from imcp_packet - * as this is assumed by code that handles ICMP packets */ -struct icmp_packet_rr { - struct batman_header header; + * as this is assumed by code that handles ICMP packets + */ +struct batadv_icmp_packet_rr { + struct batadv_header header; uint8_t msg_type; /* see ICMP message types above */ uint8_t dst[ETH_ALEN]; uint8_t orig[ETH_ALEN]; - uint16_t seqno; + __be16 seqno; uint8_t uid; uint8_t rr_cur; - uint8_t rr[BAT_RR_LEN][ETH_ALEN]; + uint8_t rr[BATADV_RR_LEN][ETH_ALEN]; } __packed; -struct unicast_packet { - struct batman_header header; +struct batadv_unicast_packet { + struct batadv_header header; uint8_t ttvn; /* destination translation table version number */ uint8_t dest[ETH_ALEN]; } __packed; -struct unicast_frag_packet { - struct batman_header header; +struct batadv_unicast_frag_packet { + struct batadv_header header; uint8_t ttvn; /* destination translation table version number */ uint8_t dest[ETH_ALEN]; uint8_t flags; uint8_t align; uint8_t orig[ETH_ALEN]; - uint16_t seqno; + __be16 seqno; } __packed; -struct bcast_packet { - struct batman_header header; +struct batadv_bcast_packet { + struct batadv_header header; uint8_t reserved; - uint32_t seqno; + __be32 seqno; uint8_t orig[ETH_ALEN]; } __packed; -struct vis_packet { - struct batman_header header; +struct batadv_vis_packet { + struct batadv_header header; uint8_t vis_type; /* which type of vis-participant sent this? */ - uint32_t seqno; /* sequence number */ + __be32 seqno; /* sequence number */ uint8_t entries; /* number of entries behind this struct */ uint8_t reserved; uint8_t vis_orig[ETH_ALEN]; /* originator reporting its neighbors */ @@ -188,11 +188,12 @@ struct vis_packet { uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */ } __packed; -struct tt_query_packet { - struct batman_header header; +struct batadv_tt_query_packet { + struct batadv_header header; /* the flag field is a combination of: * - TT_REQUEST or TT_RESPONSE - * - TT_FULL_TABLE */ + * - TT_FULL_TABLE + */ uint8_t flags; uint8_t dst[ETH_ALEN]; uint8_t src[ETH_ALEN]; @@ -200,24 +201,26 @@ struct tt_query_packet { * if TT_REQUEST: ttvn that triggered the * request * if TT_RESPONSE: new ttvn for the src - * orig_node */ + * orig_node + */ uint8_t ttvn; /* tt_data field is: * if TT_REQUEST: crc associated with the * ttvn - * if TT_RESPONSE: table_size */ - uint16_t tt_data; + * if TT_RESPONSE: table_size + */ + __be16 tt_data; } __packed; -struct roam_adv_packet { - struct batman_header header; +struct batadv_roam_adv_packet { + struct batadv_header header; uint8_t reserved; uint8_t dst[ETH_ALEN]; uint8_t src[ETH_ALEN]; uint8_t client[ETH_ALEN]; } __packed; -struct tt_change { +struct batadv_tt_change { uint8_t flags; uint8_t addr[ETH_ALEN]; } __packed; |