forked from luck/tmp_suning_uos_patched
c6c8fea297
B.A.T.M.A.N. (better approach to mobile ad-hoc networking) is a routing protocol for multi-hop ad-hoc mesh networks. The networks may be wired or wireless. See http://www.open-mesh.org/ for more information and user space tools. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
137 lines
3.7 KiB
C
137 lines
3.7 KiB
C
/*
|
|
* Copyright (C) 2007-2010 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, 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 */
|
|
|
|
#define BAT_PACKET 0x01
|
|
#define BAT_ICMP 0x02
|
|
#define BAT_UNICAST 0x03
|
|
#define BAT_BCAST 0x04
|
|
#define BAT_VIS 0x05
|
|
#define BAT_UNICAST_FRAG 0x06
|
|
|
|
/* this file is included by batctl which needs these defines */
|
|
#define COMPAT_VERSION 12
|
|
#define DIRECTLINK 0x40
|
|
#define VIS_SERVER 0x20
|
|
#define PRIMARIES_FIRST_HOP 0x10
|
|
|
|
/* ICMP message types */
|
|
#define ECHO_REPLY 0
|
|
#define DESTINATION_UNREACHABLE 3
|
|
#define ECHO_REQUEST 8
|
|
#define TTL_EXCEEDED 11
|
|
#define PARAMETER_PROBLEM 12
|
|
|
|
/* vis defines */
|
|
#define VIS_TYPE_SERVER_SYNC 0
|
|
#define VIS_TYPE_CLIENT_UPDATE 1
|
|
|
|
/* fragmentation defines */
|
|
#define UNI_FRAG_HEAD 0x01
|
|
|
|
struct batman_packet {
|
|
uint8_t packet_type;
|
|
uint8_t version; /* batman version field */
|
|
uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
|
|
uint8_t tq;
|
|
uint32_t seqno;
|
|
uint8_t orig[6];
|
|
uint8_t prev_sender[6];
|
|
uint8_t ttl;
|
|
uint8_t num_hna;
|
|
uint8_t gw_flags; /* flags related to gateway class */
|
|
uint8_t align;
|
|
} __attribute__((packed));
|
|
|
|
#define BAT_PACKET_LEN sizeof(struct batman_packet)
|
|
|
|
struct icmp_packet {
|
|
uint8_t packet_type;
|
|
uint8_t version; /* batman version field */
|
|
uint8_t msg_type; /* see ICMP message types above */
|
|
uint8_t ttl;
|
|
uint8_t dst[6];
|
|
uint8_t orig[6];
|
|
uint16_t seqno;
|
|
uint8_t uid;
|
|
} __attribute__((packed));
|
|
|
|
#define BAT_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 {
|
|
uint8_t packet_type;
|
|
uint8_t version; /* batman version field */
|
|
uint8_t msg_type; /* see ICMP message types above */
|
|
uint8_t ttl;
|
|
uint8_t dst[6];
|
|
uint8_t orig[6];
|
|
uint16_t seqno;
|
|
uint8_t uid;
|
|
uint8_t rr_cur;
|
|
uint8_t rr[BAT_RR_LEN][ETH_ALEN];
|
|
} __attribute__((packed));
|
|
|
|
struct unicast_packet {
|
|
uint8_t packet_type;
|
|
uint8_t version; /* batman version field */
|
|
uint8_t dest[6];
|
|
uint8_t ttl;
|
|
} __attribute__((packed));
|
|
|
|
struct unicast_frag_packet {
|
|
uint8_t packet_type;
|
|
uint8_t version; /* batman version field */
|
|
uint8_t dest[6];
|
|
uint8_t ttl;
|
|
uint8_t flags;
|
|
uint8_t orig[6];
|
|
uint16_t seqno;
|
|
} __attribute__((packed));
|
|
|
|
struct bcast_packet {
|
|
uint8_t packet_type;
|
|
uint8_t version; /* batman version field */
|
|
uint8_t orig[6];
|
|
uint8_t ttl;
|
|
uint32_t seqno;
|
|
} __attribute__((packed));
|
|
|
|
struct vis_packet {
|
|
uint8_t packet_type;
|
|
uint8_t version; /* batman version field */
|
|
uint8_t vis_type; /* which type of vis-participant sent this? */
|
|
uint8_t entries; /* number of entries behind this struct */
|
|
uint32_t seqno; /* sequence number */
|
|
uint8_t ttl; /* TTL */
|
|
uint8_t vis_orig[6]; /* originator that informs about its
|
|
* neighbors */
|
|
uint8_t target_orig[6]; /* who should receive this packet */
|
|
uint8_t sender_orig[6]; /* who sent or rebroadcasted this packet */
|
|
} __attribute__((packed));
|
|
|
|
#endif /* _NET_BATMAN_ADV_PACKET_H_ */
|