Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Add support for B.A.T.M.A.N. Advanced #980

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
+629 −3
Open

Add support for B.A.T.M.A.N. Advanced #980

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
62133cb
Add support for B.A.T.M.A.N. Advanced
T-X Nov 22, 2020
da42b5b
batman-adv: Add offset support to batman-adv mcast packet
T-X Jun 29, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions Makefile.in
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -121,6 +121,8 @@ PUBHDR = \
HDR = $(PUBHDR) \
arcnet.h \
atmuni31.h \
batadv_legacy_packet.h \
batadv_packet.h \
diag-control.h \
ethertype.h \
extract.h \
Expand Down
77 changes: 77 additions & 0 deletions batadv_legacy_packet.h
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,77 @@
/* SPDX-License-Identifier: BSD-3 */
/* Copyright (C) 2020 Linus Lüssing */

#ifndef _BATADV_LEGACY_PACKET_H_
#define _BATADV_LEGACY_PACKET_H_

enum batadv_legacy_packettype {
BATADV_LEGACY_IV_OGM = 0x01,
BATADV_LEGACY_ICMP = 0x02,
BATADV_LEGACY_UNICAST = 0x03,
BATADV_LEGACY_BCAST = 0x04,
BATADV_LEGACY_VIS = 0x05,
BATADV_LEGACY_UNICAST_FRAG = 0x06,
BATADV_LEGACY_TT_QUERY = 0x07,
BATADV_LEGACY_ROAM_ADV = 0x08,
BATADV_LEGACY_UNICAST_4ADDR = 0x09,
BATADV_LEGACY_CODED = 0x0a,
};

#define ETH_ALEN 6

struct batadv_legacy_unicast_packet {
uint8_t packet_type;
uint8_t version;
uint8_t ttl;
uint8_t ttvn;
uint8_t dest[ETH_ALEN];
};

struct batadv_legacy_unicast_4addr_packet {
uint8_t packet_type;
uint8_t version;
uint8_t ttl;
uint8_t src[ETH_ALEN];
uint8_t subtype;
uint8_t reserved;
};

struct batadv_legacy_unicast_frag_packet {
uint8_t packet_type;
uint8_t version;
uint8_t ttl;
uint8_t ttvn;
uint8_t dest[ETH_ALEN];
uint8_t flags;
uint8_t align;
uint8_t orig[ETH_ALEN];
uint8_t seqno[2]; /* 2-byte integral value */
};

struct batadv_legacy_bcast_packet {
uint8_t packet_type;
uint8_t version;
uint8_t ttl;
uint8_t reserved;
uint8_t seqno[4]; /* 4-byte integral value */
uint8_t orig[ETH_ALEN];
};

struct batadv_legacy_coded_packet {
uint8_t packet_type;
uint8_t version;
uint8_t ttl;
uint8_t first_ttvn;
uint8_t first_source[ETH_ALEN];
uint8_t first_orig_dest[ETH_ALEN];
uint8_t first_crc[4]; /* 4-byte integral value */
uint8_t second_ttl;
uint8_t second_ttvn;
uint8_t second_dest[ETH_ALEN];
uint8_t second_source[ETH_ALEN];
uint8_t second_orig_dest[ETH_ALEN];
uint8_t second_crc[4]; /* 4-byte integral value */
uint8_t coded_len[2]; /* 2-byte integral value */
};

#endif /* _BATADV_LEGACY_PACKET_H_ */
87 changes: 87 additions & 0 deletions batadv_packet.h
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,87 @@
/* SPDX-License-Identifier: BSD-3 */
/* Copyright (C) 2024 Linus Lüssing */

#ifndef _BATADV_PACKET_H_
#define _BATADV_PACKET_H_

/* For the definitive and most recent packet format definition,
* see the batadv_packet.h in the Linux kernel.
*/

enum batadv_packettype {
BATADV_IV_OGM = 0x00,
BATADV_BCAST = 0x01,
BATADV_CODED = 0x02,
BATADV_ELP = 0x03,
BATADV_OGM2 = 0x04,
BATADV_MCAST = 0x05,
BATADV_UNICAST = 0x40,
BATADV_UNICAST_FRAG = 0x41,
BATADV_UNICAST_4ADDR = 0x42,
BATADV_ICMP = 0x43,
BATADV_UNICAST_TVLV = 0x44,
};

#define ETH_ALEN 6

struct batadv_unicast_packet {
uint8_t packet_type;
uint8_t version;
uint8_t ttl;
uint8_t ttvn;
uint8_t dest[ETH_ALEN];
};

struct batadv_unicast_4addr_packet {
struct batadv_unicast_packet u;
uint8_t src[ETH_ALEN];
uint8_t subtype;
uint8_t reserved;
};

struct batadv_frag_packet {
uint8_t packet_type;
uint8_t version;
uint8_t ttl;
uint8_t num_pri; /* number and priority */
uint8_t dest[ETH_ALEN];
uint8_t orig[ETH_ALEN];
uint8_t seqno[2]; /* 2-byte integral value */
uint8_t total_size[2]; /* 2-byte integral value */
};

struct batadv_bcast_packet {
uint8_t packet_type;
uint8_t version;
uint8_t ttl;
uint8_t reserved;
uint8_t seqno[4]; /* 4-byte integral value */
uint8_t orig[ETH_ALEN];
};

struct batadv_mcast_packet {
uint8_t packet_type;
uint8_t version;
uint8_t ttl;
uint8_t reserved;
uint8_t tvlv_len[2]; /* 2-byte integral value */
};

struct batadv_coded_packet {
uint8_t packet_type;
uint8_t version;
uint8_t ttl;
uint8_t first_ttvn;
uint8_t first_source[ETH_ALEN];
uint8_t first_orig_dest[ETH_ALEN];
uint8_t first_crc[4]; /* 4-byte integral value */
uint8_t second_ttl;
uint8_t second_ttvn;
uint8_t second_dest[ETH_ALEN];
uint8_t second_source[ETH_ALEN];
uint8_t second_orig_dest[ETH_ALEN];
uint8_t second_crc[4]; /* 4-byte integral value */
uint8_t coded_len[2]; /* 2-byte integral value */
};

#endif /* _BATADV_PACKET_H_ */
3 changes: 3 additions & 0 deletions ethertype.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,9 @@
#ifndef ETHERTYPE_TRAIL
#define ETHERTYPE_TRAIL 0x1000
#endif
#ifndef ETHERTYPE_BATMAN
#define ETHERTYPE_BATMAN 0x4305 /* B.A.T.M.A.N. Advanced */
#endif
#ifndef ETHERTYPE_MOPDL
#define ETHERTYPE_MOPDL 0x6001
#endif
Expand Down
Loading