diff options
Diffstat (limited to 'net/batman-adv/packet.h')
| -rw-r--r-- | net/batman-adv/packet.h | 68 |
1 files changed, 61 insertions, 7 deletions
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index 0558e3237e0e..8a8d7ca1a5cf 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2007-2015 B.A.T.M.A.N. contributors: +/* Copyright (C) 2007-2016 B.A.T.M.A.N. contributors: * * Marek Lindner, Simon Wunderlich * @@ -26,6 +26,8 @@ * @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 @@ -40,6 +42,8 @@ enum batadv_packettype { 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, @@ -158,7 +162,7 @@ enum batadv_tt_client_flags { }; /** - * batadv_vlan_flags - flags for the four MSB of any vlan ID field + * 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 { @@ -209,6 +213,11 @@ struct batadv_bla_claim_dst { * @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 { @@ -230,7 +239,52 @@ struct batadv_ogm_packet { #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) /** - * batadv_icmp_header - common members among all the ICMP packets + * 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 @@ -256,7 +310,7 @@ struct batadv_icmp_header { }; /** - * batadv_icmp_packet - ICMP packet + * 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 @@ -282,7 +336,7 @@ struct batadv_icmp_packet { #define BATADV_RR_LEN 16 /** - * batadv_icmp_packet_rr - ICMP RouteRecord packet + * 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 @@ -345,6 +399,7 @@ struct batadv_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; @@ -413,7 +468,6 @@ struct batadv_bcast_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 - * @reserved: Align following fields to 2-byte boundaries * @first_source: original source of first included packet * @first_orig_dest: original destinal of first included packet * @first_crc: checksum of first included packet @@ -495,7 +549,7 @@ struct batadv_tvlv_gateway_data { * 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 - * @vlan_num: number of announced VLANs. In the TVLV this struct is followed by + * @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 { |