diff options
Diffstat (limited to 'net/batman-adv/packet.h')
| -rw-r--r-- | net/batman-adv/packet.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index 11a22c8c3cbb..b5c21c418a5f 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -20,6 +20,10 @@ #ifndef _NET_BATMAN_ADV_PACKET_H_ #define _NET_BATMAN_ADV_PACKET_H_ +/** + * enum batadv_packettype - types for batman-adv encapsulated packets + * @BATADV_UNICAST_TVLV: unicast packet carrying TVLV containers + */ enum batadv_packettype { BATADV_IV_OGM = 0x01, BATADV_ICMP = 0x02, @@ -31,6 +35,7 @@ enum batadv_packettype { BATADV_ROAM_ADV = 0x08, BATADV_UNICAST_4ADDR = 0x09, BATADV_CODED = 0x0a, + BATADV_UNICAST_TVLV = 0x0b, }; /** @@ -131,6 +136,11 @@ struct batadv_header { */ }; +/** + * struct batadv_ogm_packet - ogm (routing protocol) packet + * @header: common batman packet header + * @tvlv_len: length of tvlv data following the ogm header + */ struct batadv_ogm_packet { struct batadv_header header; uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ @@ -142,6 +152,7 @@ struct batadv_ogm_packet { uint8_t tt_num_changes; uint8_t ttvn; /* translation table version number */ __be16 tt_crc; + __be16 tvlv_len; } __packed; #define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) @@ -311,4 +322,34 @@ struct batadv_coded_packet { __be16 coded_len; }; +/** + * struct batadv_unicast_tvlv - generic unicast packet with tvlv payload + * @header: common batman packet 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 boundry + */ +struct batadv_unicast_tvlv_packet { + struct batadv_header header; + uint8_t reserved; + uint8_t dst[ETH_ALEN]; + uint8_t src[ETH_ALEN]; + __be16 tvlv_len; + uint16_t 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 { + uint8_t type; + uint8_t version; + __be16 len; +}; + #endif /* _NET_BATMAN_ADV_PACKET_H_ */ |