diff options
Diffstat (limited to 'epan/dissectors/packet-batadv.c')
| -rw-r--r-- | epan/dissectors/packet-batadv.c | 5557 |
1 files changed, 5557 insertions, 0 deletions
diff --git a/epan/dissectors/packet-batadv.c b/epan/dissectors/packet-batadv.c new file mode 100644 index 00000000..aee96fd8 --- /dev/null +++ b/epan/dissectors/packet-batadv.c @@ -0,0 +1,5557 @@ +/* packet-batadv.c + * Routines for B.A.T.M.A.N. Advanced dissection + * Copyright 2008-2010 Sven Eckelmann <sven@narfation.org> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/prefs.h> +#include <epan/tap.h> +#include <epan/addr_resolv.h> +#include <epan/reassemble.h> +#include <epan/expert.h> + +#include <wsutil/crc32.h> + +/* Start content from packet-batadv.h */ +#define ETH_P_BATMAN 0x4305 + +#define BATADV_PACKET_V5 0x01 +#define BATADV_ICMP_V5 0x02 +#define BATADV_UNICAST_V5 0x03 +#define BATADV_BCAST_V5 0x04 +#define BATADV_VIS_V5 0x05 +#define BATADV_UNICAST_FRAG_V12 0x06 +#define BATADV_TT_QUERY_V14 0x07 +#define BATADV_ROAM_ADV_V14 0x08 +#define BATADV_ROAM_ADV_V14 0x08 +#define BATADV_UNICAST_4ADDR_V14 0x09 + +#define BATADV_IV_OGM_V15 0x00 +#define BATADV_BCAST_V15 0x01 +#define BATADV_CODED_V15 0x02 +#define BATADV_ELP_V15 0x03 +#define BATADV_OGM2_V15 0x04 +#define BATADV_UNICAST_V15 0x40 +#define BATADV_UNICAST_FRAG_V15 0x41 +#define BATADV_UNICAST_4ADDR_V15 0x42 +#define BATADV_ICMP_V15 0x43 +#define BATADV_UNICAST_TVLV_V15 0x44 + +#define BATADV_TVLV_V15_GW 0x01 +#define BATADV_TVLV_V15_DAT 0x02 +#define BATADV_TVLV_V15_NC 0x03 +#define BATADV_TVLV_V15_TT 0x04 +#define BATADV_TVLV_V15_ROAM 0x05 +#define BATADV_TVLV_V15_MCAST 0x06 + +#define ECHO_REPLY 0 +#define DESTINATION_UNREACHABLE 3 +#define ECHO_REQUEST 8 +#define TTL_EXCEEDED 11 +#define BATADV_TP 15 + +#define TT_TYPE_MASK 0x3 +#define TT_REQUEST 0 +#define TT_RESPONSE 1 + +#define TT_FULL_TABLE 0x04 + +#define TT_CHANGE_DEL 0x01 +#define TT_CLIENT_ROAM 0x02 + +#define BAT_RR_LEN 16 + +#define UNICAST_4ADDR_DATA 0x01 +#define UNICAST_4ADDR_DAT_DHT_GET 0x02 +#define UNICAST_4ADDR_DAT_DHT_PUT 0x03 +#define UNICAST_4ADDR_DAT_CACHE_REPLY 0x04 + +#define BATADV_TVLVL_TT_TYPE_MASK 0x0F +#define BATADV_TVLVL_TT_OGM_DIFF 0x01 +#define BATADV_TVLVL_TT_REQUEST 0x02 +#define BATADV_TVLVL_TT_RESPONSE 0x04 +#define BATADV_TVLVL_TT_FULL_TABLE 0x10 + +#define BATADV_TVLVL_TT_CHANGE_DEL 0x01 +#define BATADV_TVLVL_TT_CHANGE_ROAM 0x02 +#define BATADV_TVLVL_TT_CHANGE_WIFI 0x10 +#define BATADV_TVLVL_TT_CHANGE_ISOLATE 0x20 + +struct batman_packet_v5 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ + guint8 ttl; + guint8 gwflags; /* flags related to gateway functions: gateway class */ + guint8 tq; + guint16 seqno; + address orig; + address prev_sender; + guint8 num_tt; + guint8 pad; +}; +#define BATMAN_PACKET_V5_SIZE 22 + +struct batman_packet_v7 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ + guint8 tq; + guint16 seqno; + address orig; + address prev_sender; + guint8 ttl; + guint8 num_tt; +}; +#define BATMAN_PACKET_V7_SIZE 20 + +struct batman_packet_v9 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ + guint8 tq; + guint16 seqno; + address orig; + address prev_sender; + guint8 ttl; + guint8 num_tt; + guint8 gwflags; + guint8 pad; +}; +#define BATMAN_PACKET_V9_SIZE 22 + +struct batman_packet_v10 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ + guint8 tq; + guint32 seqno; + address orig; + address prev_sender; + guint8 ttl; + guint8 num_tt; + guint8 gwflags; + guint8 pad; +}; +#define BATMAN_PACKET_V10_SIZE 24 + +struct batman_packet_v11 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ + guint8 tq; + guint32 seqno; + address orig; + address prev_sender; + guint8 ttl; + guint8 num_tt; +}; +#define BATMAN_PACKET_V11_SIZE 22 + +struct batman_packet_v14 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ + guint32 seqno; + address orig; + address prev_sender; + guint8 gw_flags; /* flags related to gateway class */ + guint8 tq; + guint8 tt_num_changes; + guint8 ttvn; /* translation table version number */ + guint16 tt_crc; +}; +#define BATMAN_PACKET_V14_SIZE 26 + +struct iv_ogm_packet_v15 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 flags; + guint32 seqno; + address orig; + address prev_sender; + guint8 reserved; + guint8 tq; + guint16 tvlv_len; +}; +#define IV_OGM_PACKET_V15_SIZE 24 + +struct elp_packet_v15 { + guint8 packet_type; + guint8 version; + address orig; + guint32 seqno; + guint32 interval; +}; +#define ELP_PACKET_V15_SIZE 16 + +struct ogm2_packet_v15 { + guint8 packet_type; + guint8 version; + guint8 ttl; + guint8 flags; + guint32 seqno; + address orig; + guint16 tvlv_len; + guint32 throughput; +}; +#define OGM2_PACKET_V15_SIZE 20 + +struct icmp_packet_v6 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 msg_type; /* 0 = ECHO REPLY, 3 = DESTINATION_UNREACHABLE, 8 = ECHO_REQUEST, 11 = TTL exceeded */ + address dst; + address orig; + guint8 ttl; + guint8 uid; + guint16 seqno; +}; +#define ICMP_PACKET_V6_SIZE 19 + +struct icmp_packet_v7 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 msg_type; /* 0 = ECHO REPLY, 3 = DESTINATION_UNREACHABLE, 8 = ECHO_REQUEST, 11 = TTL exceeded */ + guint8 ttl; + address dst; + address orig; + guint16 seqno; + guint8 uid; +}; +#define ICMP_PACKET_V7_SIZE 19 + +struct icmp_packet_v14 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 msg_type; /* see ICMP message types above */ + address dst; + address orig; + guint16 seqno; + guint8 uid; + guint8 reserved; +}; +#define ICMP_PACKET_V14_SIZE 20 + +struct icmp_packet_v15 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 msg_type; /* see ICMP message types above */ + address dst; + address orig; + guint8 uid; + guint8 rr_ptr; + guint16 seqno; +}; +#define ICMP_PACKET_V15_SIZE 20 + +struct icmp_tp_packet_v15 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 msg_type; /* see ICMP message types above */ + address dst; + address orig; + guint8 uid; + guint8 subtype; + guint16 session; + guint32 seqno; + guint32 timestamp; +}; +#define ICMP_TP_PACKET_V15_SIZE 28 + +struct unicast_packet_v6 { + guint8 packet_type; + guint8 version; + address dest; + guint8 ttl; +}; +#define UNICAST_PACKET_V6_SIZE 9 + +struct unicast_packet_v14 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 ttvn; /* destination translation table version number */ + address dest; +}; +#define UNICAST_PACKET_V14_SIZE 10 + +struct unicast_4addr_packet_v14 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 ttvn; /* destination translation table version number */ + address dest; + address src; + guint8 subtype; + guint8 reserved; +}; +#define UNICAST_4ADDR_PACKET_V14_SIZE 18 + +struct unicast_frag_packet_v12 { + guint8 packet_type; + guint8 version; + address dest; + guint8 ttl; + guint8 flags; + address orig; + guint16 seqno; +}; +#define UNICAST_FRAG_PACKET_V12_SIZE 18 + +struct unicast_frag_packet_v14 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 ttvn; /* destination translation table version number */ + address dest; + guint8 flags; + guint8 align; + address orig; + guint16 seqno; +}; +#define UNICAST_FRAG_PACKET_V14_SIZE 20 + +struct unicast_frag_packet_v15 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 no; /* only upper 4 bit are used */ + address dest; + address orig; + guint16 seqno; + guint16 total_size; +}; +#define UNICAST_FRAG_PACKET_V15_SIZE 20 + +struct bcast_packet_v6 { + guint8 packet_type; + guint8 version; /* batman version field */ + address orig; + guint16 seqno; +}; +#define BCAST_PACKET_V6_SIZE 10 + +struct bcast_packet_v10 { + guint8 packet_type; + guint8 version; /* batman version field */ + address orig; + guint8 ttl; + guint32 seqno; +}; +#define BCAST_PACKET_V10_SIZE 13 + +struct bcast_packet_v14 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 reserved; + guint32 seqno; + address orig; +}; +#define BCAST_PACKET_V14_SIZE 14 + +struct vis_packet_v6 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 vis_type; /* which type of vis-participant sent this? */ + guint8 seqno; /* sequence number */ + guint8 entries; /* number of entries behind this struct */ + guint8 ttl; /* TTL */ + address vis_orig; /* originator that informs about its neighbours */ + address target_orig; /* who should receive this packet */ + address sender_orig; /* who sent or rebroadcasted this packet */ +}; +#define VIS_PACKET_V6_SIZE 24 + +struct vis_packet_v10 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 vis_type; /* which type of vis-participant sent this? */ + guint8 entries; /* number of entries behind this struct */ + guint32 seqno; /* sequence number */ + guint8 ttl; /* TTL */ + address vis_orig; /* originator that informs about its neighbours */ + address target_orig; /* who should receive this packet */ + address sender_orig; /* who sent or rebroadcasted this packet */ +}; +#define VIS_PACKET_V10_SIZE 27 + +struct vis_packet_v14 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; /* TTL */ + guint8 vis_type; /* which type of vis-participant sent this? */ + guint32 seqno; /* sequence number */ + guint8 entries; /* number of entries behind this struct */ + guint8 reserved; + address vis_orig; /* originator that announces its neighbors */ + address target_orig; /* who should receive this packet */ + address sender_orig; /* who sent or rebroadcasted this packet */ +}; +#define VIS_PACKET_V14_SIZE 28 + +#define VIS_ENTRY_V6_SIZE 7 +#define VIS_ENTRY_V8_SIZE 13 + +#define VIS_TYPE_SERVER_SYNC 0 +#define VIS_TYPE_CLIENT_UPDATE 1 + +struct tt_query_packet_v14 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 flags; + address dst; + address src; + guint8 ttvn; + guint16 tt_data; +}; +#define TT_QUERY_PACKET_V14_SIZE 19 + +#define TT_ENTRY_V14_SIZE 7 + +struct roam_adv_packet_v14 { + guint8 packet_type; + guint8 version; + guint8 ttl; + guint8 reserved; + address dst; + address src; + address client; +}; +#define ROAM_ADV_PACKET_V14_SIZE 22 + +struct coded_packet_v15 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 first_ttvn; + address first_source; + address first_orig_dest; + guint32 first_crc; + guint8 second_ttl; + guint8 second_ttvn; + address second_dest; + address second_source; + address second_orig_dest; + guint32 second_crc; + guint16 coded_len; +}; +#define CODED_PACKET_V15_SIZE 46 + +struct unicast_tvlv_packet_v15 { + guint8 packet_type; + guint8 version; /* batman version field */ + guint8 ttl; + guint8 reserved; + address dest; + address src; + guint16 tvlv_len; + guint16 align; +}; +#define UNICAST_TVLV_PACKET_V15_SIZE 20 + +#define TLVLV_TT_VLAN_V15_SIZE 8 +#define TLVLV_TT_CHANGE_V15_SIZE 12 + +/* End content from packet-batadv.h */ + +/* trees */ +static gint ett_batadv_batman = -1; +static gint ett_batadv_batman_flags = -1; +static gint ett_batadv_batman_gwflags = -1; +static gint ett_batadv_batman_tt = -1; +static gint ett_batadv_iv_ogm = -1; +static gint ett_batadv_iv_ogm_flags = -1; +static gint ett_batadv_elp = -1; +static gint ett_batadv_ogm2 = -1; +//static gint ett_batadv_ogm2_flags = -1; +static gint ett_batadv_bcast = -1; +static gint ett_batadv_icmp = -1; +static gint ett_batadv_icmp_rr = -1; +static gint ett_batadv_unicast = -1; +static gint ett_batadv_unicast_4addr = -1; +static gint ett_batadv_unicast_frag = -1; +static gint ett_batadv_unicast_tvlv = -1; +static gint ett_batadv_vis = -1; +static gint ett_batadv_vis_entry = -1; +static gint ett_batadv_tt_query = -1; +static gint ett_batadv_tt_query_flags = -1; +static gint ett_batadv_tt_entry = -1; +static gint ett_batadv_tt_entry_flags = -1; +static gint ett_batadv_roam_adv = -1; +static gint ett_batadv_coded = -1; +static gint ett_batadv_tvlv = -1; +static gint ett_batadv_tvlv_mcast_flags = -1; +static gint ett_batadv_tvlv_vid = -1; +static gint ett_batadv_tvlv_tt_flags = -1; +static gint ett_batadv_tvlv_tt_vlan = -1; +static gint ett_batadv_tvlv_tt_change = -1; +static gint ett_msg_fragment = -1; +static gint ett_msg_fragments = -1; + +static expert_field ei_batadv_tvlv_unknown_version = EI_INIT; +static expert_field ei_batadv_tvlv_tt_vlan_crc = EI_INIT; +static expert_field ei_batadv_tvlv_tt_vlan_empty = EI_INIT; + +/* hfs */ +static int hf_batadv_packet_type = -1; + +static int hf_batadv_batman_version = -1; +static int hf_batadv_batman_flags = -1; +static int hf_batadv_batman_ttl = -1; +static int hf_batadv_batman_gwflags = -1; +static int hf_batadv_batman_gwflags_dl_speed = -1; +static int hf_batadv_batman_gwflags_ul_speed = -1; +static int hf_batadv_batman_tq = -1; +static int hf_batadv_batman_seqno = -1; +static int hf_batadv_batman_seqno32 = -1; +static int hf_batadv_batman_orig = -1; +static int hf_batadv_batman_prev_sender = -1; +static int hf_batadv_batman_num_tt = -1; +static int hf_batadv_batman_tt_num_changes = -1; +static int hf_batadv_batman_ttvn = -1; +static int hf_batadv_batman_tt_crc = -1; +static int hf_batadv_batman_tt = -1; + +static int hf_batadv_iv_ogm_version = -1; +static int hf_batadv_iv_ogm_ttl = -1; +static int hf_batadv_iv_ogm_flags = -1; +static int hf_batadv_iv_ogm_seqno = -1; +static int hf_batadv_iv_ogm_orig = -1; +static int hf_batadv_iv_ogm_prev_sender = -1; +static int hf_batadv_iv_ogm_tq = -1; +static int hf_batadv_iv_ogm_tvlv_len = -1; + +static int hf_batadv_elp_version = -1; +static int hf_batadv_elp_orig = -1; +static int hf_batadv_elp_seqno = -1; +static int hf_batadv_elp_interval = -1; + +static int hf_batadv_ogm2_version = -1; +static int hf_batadv_ogm2_ttl = -1; +static int hf_batadv_ogm2_flags = -1; +static int hf_batadv_ogm2_seqno = -1; +static int hf_batadv_ogm2_orig = -1; +static int hf_batadv_ogm2_tvlv_len = -1; +static int hf_batadv_ogm2_throughput = -1; + +static int hf_batadv_bcast_version = -1; +static int hf_batadv_bcast_orig = -1; +static int hf_batadv_bcast_seqno = -1; +static int hf_batadv_bcast_seqno32 = -1; +static int hf_batadv_bcast_ttl = -1; + +static int hf_batadv_icmp_version = -1; +static int hf_batadv_icmp_msg_type = -1; +static int hf_batadv_icmp_dst = -1; +static int hf_batadv_icmp_orig = -1; +static int hf_batadv_icmp_ttl = -1; +static int hf_batadv_icmp_uid = -1; +static int hf_batadv_icmp_seqno = -1; + +static int hf_batadv_icmp_rr_pointer = -1; +static int hf_batadv_icmp_rr_ether = -1; + +static int hf_batadv_icmp_tp_subtype = -1; +static int hf_batadv_icmp_tp_session = -1; +static int hf_batadv_icmp_tp_seqno = -1; +static int hf_batadv_icmp_tp_timestamp = -1; + +static int hf_batadv_unicast_version = -1; +static int hf_batadv_unicast_dst = -1; +static int hf_batadv_unicast_ttl = -1; +static int hf_batadv_unicast_ttvn = -1; + +static int hf_batadv_unicast_4addr_version = -1; +static int hf_batadv_unicast_4addr_dst = -1; +static int hf_batadv_unicast_4addr_ttl = -1; +static int hf_batadv_unicast_4addr_ttvn = -1; +static int hf_batadv_unicast_4addr_src = -1; +static int hf_batadv_unicast_4addr_subtype = -1; + +static int hf_batadv_unicast_frag_version = -1; +static int hf_batadv_unicast_frag_dst = -1; +static int hf_batadv_unicast_frag_ttl = -1; +static int hf_batadv_unicast_frag_ttvn = -1; +static int hf_batadv_unicast_frag_flags = -1; +static int hf_batadv_unicast_frag_orig = -1; +static int hf_batadv_unicast_frag_seqno = -1; +static int hf_batadv_unicast_frag_no = -1; +static int hf_batadv_unicast_frag_priority = -1; +static int hf_batadv_unicast_frag_total_size = -1; + +static int hf_batadv_unicast_tvlv_version = -1; +static int hf_batadv_unicast_tvlv_ttl = -1; +static int hf_batadv_unicast_tvlv_dst = -1; +static int hf_batadv_unicast_tvlv_src = -1; +static int hf_batadv_unicast_tvlv_len = -1; + +static int hf_batadv_vis_version = -1; +static int hf_batadv_vis_type = -1; +static int hf_batadv_vis_seqno = -1; +static int hf_batadv_vis_seqno32 = -1; +static int hf_batadv_vis_entries = -1; +static int hf_batadv_vis_ttl = -1; +static int hf_batadv_vis_vis_orig = -1; +static int hf_batadv_vis_target_orig = -1; +static int hf_batadv_vis_sender_orig = -1; +static int hf_batadv_vis_entry_src = -1; +static int hf_batadv_vis_entry_dst = -1; +static int hf_batadv_vis_entry_quality = -1; + +static int hf_batadv_tt_query_version = -1; +static int hf_batadv_tt_query_ttl = -1; +static int hf_batadv_tt_query_flags = -1; +static int hf_batadv_tt_query_flags_type = -1; +static int hf_batadv_tt_query_flags_full_table = -1; +static int hf_batadv_tt_query_dst = -1; +static int hf_batadv_tt_query_src = -1; +static int hf_batadv_tt_query_ttvn = -1; +static int hf_batadv_tt_query_tt_crc = -1; +static int hf_batadv_tt_query_entries = -1; +static int hf_batadv_tt_entry = -1; +static int hf_batadv_tt_entry_flags = -1; +static int hf_batadv_tt_entry_flags_change_del = -1; +static int hf_batadv_tt_entry_flags_client_roam = -1; + +static int hf_batadv_roam_adv_version = -1; +static int hf_batadv_roam_adv_ttl = -1; +static int hf_batadv_roam_adv_dst = -1; +static int hf_batadv_roam_adv_src = -1; +static int hf_batadv_roam_adv_client = -1; + +static int hf_batadv_coded_version = -1; +static int hf_batadv_coded_ttl = -1; +static int hf_batadv_coded_first_ttvn = -1; +static int hf_batadv_coded_first_source = -1; +static int hf_batadv_coded_first_orig_dest = -1; +static int hf_batadv_coded_first_crc = -1; +static int hf_batadv_coded_second_ttl = -1; +static int hf_batadv_coded_second_ttvn = -1; +static int hf_batadv_coded_second_dest = -1; +static int hf_batadv_coded_second_source = -1; +static int hf_batadv_coded_second_orig_dest = -1; +static int hf_batadv_coded_second_crc = -1; +static int hf_batadv_coded_coded_len = -1; + +static int hf_msg_fragments = -1; +static int hf_msg_fragment = -1; +static int hf_msg_fragment_overlap = -1; +static int hf_msg_fragment_overlap_conflicts = -1; +static int hf_msg_fragment_multiple_tails = -1; +static int hf_msg_fragment_too_long_fragment = -1; +static int hf_msg_fragment_error = -1; +static int hf_msg_fragment_count = -1; +static int hf_msg_reassembled_in = -1; +static int hf_msg_reassembled_length = -1; + +static int hf_batadv_tvlv_type = -1; +static int hf_batadv_tvlv_version = -1; +static int hf_batadv_tvlv_len = -1; + +static int hf_batadv_tvlv_gw_download = -1; +static int hf_batadv_tvlv_gw_upload = -1; + +static int hf_batadv_tvlv_roam_addr = -1; +static int hf_batadv_tvlv_roam_vid = -1; +static int hf_batadv_tvlv_vid_vlan = -1; +static int hf_batadv_tvlv_vid_tagged = -1; + +static int hf_batadv_tvlv_tt_flags = -1; +static int hf_batadv_tvlv_tt_flags_type = -1; +static int hf_batadv_tvlv_tt_flags_full_table = -1; +static int hf_batadv_tvlv_tt_ttvn = -1; +static int hf_batadv_tvlv_tt_num_vlan = -1; +static int hf_batadv_tvlv_tt_vlan_crc = -1; +static int hf_batadv_tvlv_tt_vlan_crc_status = -1; +static int hf_batadv_tvlv_tt_vlan_vid = -1; +static int hf_batadv_tvlv_tt_change_flags = -1; +static int hf_batadv_tvlv_tt_change_vid = -1; +static int hf_batadv_tvlv_tt_change_addr = -1; + +/* flags */ +static int hf_batadv_batman_flags_directlink = -1; +static int hf_batadv_batman_flags_vis_server = -1; +static int hf_batadv_batman_flags_not_best_next_hop = -1; +static int hf_batadv_batman_flags_primaries_first_hop = -1; +static int hf_batadv_unicast_frag_flags_head = -1; +static int hf_batadv_unicast_frag_flags_largetail = -1; +static int hf_batadv_iv_ogm_flags_not_best_next_hop = -1; +static int hf_batadv_iv_ogm_flags_primaries_first_hop = -1; +static int hf_batadv_iv_ogm_flags_directlink = -1; +static int hf_batadv_tvlv_mcast_flags = -1; +static int hf_batadv_tvlv_mcast_flags_unsnoopables = -1; +static int hf_batadv_tvlv_mcast_flags_ipv4 = -1; +static int hf_batadv_tvlv_mcast_flags_ipv6 = -1; +static int hf_batadv_tvlv_mcast_flags_no_rtr4 = -1; +static int hf_batadv_tvlv_mcast_flags_no_rtr6 = -1; +static int hf_batadv_tvlv_tt_change_flags_del = -1; +static int hf_batadv_tvlv_tt_change_flags_roam = -1; +static int hf_batadv_tvlv_tt_change_flags_wifi = -1; +static int hf_batadv_tvlv_tt_change_flags_isolate = -1; + +static const value_string unicast_4addr_typenames[] = { + { UNICAST_4ADDR_DATA, "Data" }, + { UNICAST_4ADDR_DAT_DHT_GET, "DHT Get" }, + { UNICAST_4ADDR_DAT_DHT_PUT, "DHT Put" }, + { UNICAST_4ADDR_DAT_CACHE_REPLY, "DHT Cache Reply" }, + { 0, NULL } +}; + +static const value_string tvlv_v15_typenames[] = { + { BATADV_TVLV_V15_GW, "Gateway information" }, + { BATADV_TVLV_V15_DAT, "Distributed ARP Table" }, + { BATADV_TVLV_V15_NC, "Network Coding" }, + { BATADV_TVLV_V15_TT, "Translation Table" }, + { BATADV_TVLV_V15_ROAM, "Roaming" }, + { BATADV_TVLV_V15_MCAST, "Multicast" }, + { 0, NULL } +}; + +static const value_string icmp_packettypenames[] = { + { ECHO_REPLY, "ECHO_REPLY" }, + { DESTINATION_UNREACHABLE, "DESTINATION UNREACHABLE" }, + { ECHO_REQUEST, "ECHO_REQUEST" }, + { TTL_EXCEEDED, "TTL exceeded" }, + { BATADV_TP, "Throughput Meter" }, + { 0, NULL } +}; + +static const value_string icmp_tp_packettypenames[] = { + { 0, "Message" }, + { 1, "Acknowledgement" }, + { 0, NULL } +}; + +static const value_string vis_packettypenames[] = { + { VIS_TYPE_SERVER_SYNC, "SERVER_SYNC" }, + { VIS_TYPE_CLIENT_UPDATE, "CLIENT_UPDATE" }, + { 0, NULL } +}; + +static const value_string tt_query_type_v14[] = { + {TT_REQUEST, "Request"}, + {TT_RESPONSE, "Response"}, + {0, NULL} +}; + +static const value_string tvlv_tt_typenames[] = { + {BATADV_TVLVL_TT_OGM_DIFF, "OGM Diff"}, + {BATADV_TVLVL_TT_REQUEST, "Request"}, + {BATADV_TVLVL_TT_RESPONSE, "Response"}, + {0, NULL} +}; + +static int * const batman_v5_flags[] = { + &hf_batadv_batman_flags_directlink, + &hf_batadv_batman_flags_vis_server, + NULL +}; + +static int * const batman_v9_flags[] = { + &hf_batadv_batman_flags_directlink, + &hf_batadv_batman_flags_vis_server, + &hf_batadv_batman_flags_primaries_first_hop, + NULL +}; + +static int * const batman_v14_flags[] = { + &hf_batadv_batman_flags_directlink, + &hf_batadv_batman_flags_vis_server, + &hf_batadv_batman_flags_primaries_first_hop, + &hf_batadv_batman_flags_not_best_next_hop, + NULL +}; + +static int * const unicast_frag_flags[] = { + &hf_batadv_unicast_frag_flags_head, + &hf_batadv_unicast_frag_flags_largetail, + NULL +}; + +static int * const tt_query_flags[] = { + &hf_batadv_tt_query_flags_type, + &hf_batadv_tt_query_flags_full_table, + NULL +}; + +static int * const tt_entry_flags[] = { + &hf_batadv_tt_entry_flags_change_del, + &hf_batadv_tt_entry_flags_client_roam, + NULL +}; + +static const fragment_items msg_frag_items = { + /* Fragment subtrees */ + &ett_msg_fragment, + &ett_msg_fragments, + /* Fragment fields */ + &hf_msg_fragments, + &hf_msg_fragment, + &hf_msg_fragment_overlap, + &hf_msg_fragment_overlap_conflicts, + &hf_msg_fragment_multiple_tails, + &hf_msg_fragment_too_long_fragment, + &hf_msg_fragment_error, + &hf_msg_fragment_count, + /* Reassembled in field */ + &hf_msg_reassembled_in, + &hf_msg_reassembled_length, + /* Reassembled data field */ + NULL, + /* Tag */ + "Message fragments" +}; + + +/* forward declaration */ +void proto_register_batadv(void); +void proto_reg_handoff_batadv(void); + +static dissector_handle_t batman_handle; + +/* supported packet dissectors */ +static void dissect_batadv_v5(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_batman(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static int dissect_batadv_batman_v5(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree); +static int dissect_batadv_batman_v7(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree); +static int dissect_batadv_batman_v9(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree); +static int dissect_batadv_batman_v10(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree); +static int dissect_batadv_batman_v11(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree); +static int dissect_batadv_batman_v14(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_iv_ogm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static int dissect_batadv_iv_ogm_v15(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_elp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_elp_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_ogm2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static int dissect_batadv_ogm2_v15(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_bcast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_bcast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_bcast_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_bcast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_icmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_icmp_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_icmp_v7(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_icmp_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_icmp_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_unicast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_unicast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_unicast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_unicast_4addr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_unicast_4addr_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_unicast_frag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_unicast_frag_v12(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_unicast_frag_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_unicast_frag_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_vis(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_vis_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_vis_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_vis_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_tt(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_vis_entry_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_vis_entry_v8(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_tt_query(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_tt_query_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_tt_entry_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_roam_adv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_roam_adv_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_coded(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_coded_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_unicast_tvlv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_unicast_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); + +static void dissect_batadv_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); +static void dissect_batadv_tvlv_v15_header(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint8 type); +static void dissect_batadv_tvlv_v15_dat(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version); +static void dissect_batadv_tvlv_v15_nc(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version); +static void dissect_batadv_tvlv_v15_mcast(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version); +static void dissect_batadv_tvlv_v15_gw(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version); +static void dissect_batadv_tvlv_v15_roam(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version); +static void dissect_batadv_tvlv_v15_tt(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset, guint8 version); +static int dissect_batadv_tvlv_v15_tt_vlan(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, int offset, guint8 tt_flags, int changes_offset); +static int dissect_batadv_tvlv_v15_tt_change(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, int offset); + + +/* other dissectors */ +static dissector_handle_t eth_handle; + +static int proto_batadv_plugin = -1; + +/* tap */ +static int batadv_tap = -1; +static int batadv_follow_tap = -1; + +/* segmented messages */ +static reassembly_table msg_reassembly_table; + +static unsigned int batadv_ethertype = ETH_P_BATMAN; + +static int dissect_batadv_plugin(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) +{ + guint8 version; + + col_clear(pinfo->cinfo, COL_INFO); + + version = tvb_get_guint8(tvb, 1); + if (version < 15) + dissect_batadv_v5(tvb, pinfo, tree); + else + dissect_batadv_v15(tvb, pinfo, tree); + + return tvb_captured_length(tvb); +} + +static void dissect_batadv_v5(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 type; + + type = tvb_get_guint8(tvb, 0); + + switch (type) { + case BATADV_PACKET_V5: + dissect_batadv_batman(tvb, pinfo, tree); + break; + case BATADV_ICMP_V5: + dissect_batadv_icmp(tvb, pinfo, tree); + break; + case BATADV_UNICAST_V5: + dissect_batadv_unicast(tvb, pinfo, tree); + break; + case BATADV_UNICAST_FRAG_V12: + dissect_batadv_unicast_frag(tvb, pinfo, tree); + break; + case BATADV_BCAST_V5: + dissect_batadv_bcast(tvb, pinfo, tree); + break; + case BATADV_VIS_V5: + dissect_batadv_vis(tvb, pinfo, tree); + break; + case BATADV_TT_QUERY_V14: + dissect_batadv_tt_query(tvb, pinfo, tree); + break; + case BATADV_ROAM_ADV_V14: + dissect_batadv_roam_adv(tvb, pinfo, tree); + break; + case BATADV_UNICAST_4ADDR_V14: + dissect_batadv_unicast_4addr(tvb, pinfo, tree); + break; + default: + /* dunno */ + { + tvbuff_t *next_tvb; + gint length_remaining; + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_???"); + + length_remaining = tvb_reported_length_remaining(tvb, 0); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, 0); + call_data_dissector(next_tvb, pinfo, tree); + } + break; + } + } +} + +static void dissect_batadv_v15(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + guint8 type; + + type = tvb_get_guint8(tvb, 0); + + switch (type) { + case BATADV_IV_OGM_V15: + dissect_batadv_iv_ogm(tvb, pinfo, tree); + break; + case BATADV_BCAST_V15: + dissect_batadv_bcast(tvb, pinfo, tree); + break; + case BATADV_CODED_V15: + dissect_batadv_coded(tvb, pinfo, tree); + break; + case BATADV_ELP_V15: + dissect_batadv_elp(tvb, pinfo, tree); + break; + case BATADV_OGM2_V15: + dissect_batadv_ogm2(tvb, pinfo, tree); + break; + case BATADV_UNICAST_V15: + dissect_batadv_unicast(tvb, pinfo, tree); + break; + case BATADV_UNICAST_FRAG_V15: + dissect_batadv_unicast_frag(tvb, pinfo, tree); + break; + case BATADV_UNICAST_4ADDR_V15: + dissect_batadv_unicast_4addr(tvb, pinfo, tree); + break; + case BATADV_ICMP_V15: + dissect_batadv_icmp(tvb, pinfo, tree); + break; + case BATADV_UNICAST_TVLV_V15: + dissect_batadv_unicast_tvlv(tvb, pinfo, tree); + break; + default: + /* dunno */ + { + tvbuff_t *next_tvb; + gint length_remaining; + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_???"); + + length_remaining = tvb_reported_length_remaining(tvb, 0); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, 0); + call_data_dissector(next_tvb, pinfo, tree); + } + break; + } + } +} + +static void dissect_batadv_batman(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + int offset = 0; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_BATMAN"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 5: + case 6: + while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V5_SIZE) { + offset = dissect_batadv_batman_v5(tvb, offset, pinfo, tree); + } + break; + case 7: + case 8: + while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V7_SIZE) { + offset = dissect_batadv_batman_v7(tvb, offset, pinfo, tree); + } + break; + case 9: + while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V9_SIZE) { + offset = dissect_batadv_batman_v9(tvb, offset, pinfo, tree); + } + break; + case 11: + case 13: + while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V11_SIZE) { + offset = dissect_batadv_batman_v11(tvb, offset, pinfo, tree); + } + break; + case 10: + case 12: + while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V10_SIZE) { + offset = dissect_batadv_batman_v10(tvb, offset, pinfo, tree); + } + break; + case 14: + while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= BATMAN_PACKET_V14_SIZE) { + offset = dissect_batadv_batman_v14(tvb, offset, pinfo, tree); + } + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_gwflags(tvbuff_t *tvb, guint8 gwflags, int offset, proto_item *tgw) +{ + proto_tree *gwflags_tree; + guint8 s = (gwflags & 0x80) >> 7; + guint8 downbits = (gwflags & 0x78) >> 3; + guint8 upbits = (gwflags & 0x07); + guint down, up; + + if (gwflags == 0) { + down = 0; + up = 0; + } else { + down = 32 * (s + 2) * (1 << downbits); + up = ((upbits + 1) * down) / 8; + } + + gwflags_tree = proto_item_add_subtree(tgw, ett_batadv_batman_gwflags); + proto_tree_add_uint(gwflags_tree, hf_batadv_batman_gwflags_dl_speed, tvb, offset, 1, down); + proto_tree_add_uint(gwflags_tree, hf_batadv_batman_gwflags_ul_speed, tvb, offset, 1, up); +} + +static int dissect_batadv_batman_v5(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti, *tgw; + proto_tree *batadv_batman_tree; + guint8 type; + struct batman_packet_v5 *batman_packeth; + gint i; + + tvbuff_t *next_tvb; + + batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v5); + + type = tvb_get_guint8(tvb, offset+0); + batman_packeth->version = tvb_get_guint8(tvb, offset+1); + + /* don't interpret padding as B.A.T.M.A.N. advanced packet */ + if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { + return -1; + } + + batman_packeth->flags = tvb_get_guint8(tvb, offset+2); + batman_packeth->ttl = tvb_get_guint8(tvb, offset+3); + batman_packeth->gwflags = tvb_get_guint8(tvb, offset+4); + batman_packeth->tq = tvb_get_guint8(tvb, offset+5); + batman_packeth->seqno = tvb_get_ntohs(tvb, offset+6); + set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8); + copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); + copy_address_shallow(&pinfo->src, &batman_packeth->orig); + set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14); + + batman_packeth->num_tt = tvb_get_guint8(tvb, offset+20); + batman_packeth->pad = tvb_get_guint8(tvb, offset+21); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V5_SIZE, + "B.A.T.M.A.N., Orig: %s", + address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); + batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); + + /* items */ + proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, + "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, + ett_batadv_batman_flags, batman_v5_flags, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN); + dissect_batadv_gwflags(tvb, batman_packeth->gwflags, offset, tgw); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Skip 1 byte of padding. */ + offset += 1; + + tap_queue_packet(batadv_tap, pinfo, batman_packeth); + + for (i = 0; i < batman_packeth->num_tt; i++) { + next_tvb = tvb_new_subset_length(tvb, offset, 6); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree); + offset += 6; + } + + return offset; +} + +static int dissect_batadv_batman_v7(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + proto_tree *batadv_batman_tree; + proto_item *ti; + guint8 type; + struct batman_packet_v7 *batman_packeth; + gint i; + + tvbuff_t *next_tvb; + + batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v7); + + type = tvb_get_guint8(tvb, offset+0); + batman_packeth->version = tvb_get_guint8(tvb, offset+1); + + /* don't interpret padding as B.A.T.M.A.N. advanced packet */ + if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { + return -1; + } + + batman_packeth->flags = tvb_get_guint8(tvb, offset+2); + batman_packeth->tq = tvb_get_guint8(tvb, offset+3); + batman_packeth->seqno = tvb_get_ntohs(tvb, offset+4); + set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+6); + copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); + copy_address_shallow(&pinfo->src, &batman_packeth->orig); + set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+12); + batman_packeth->ttl = tvb_get_guint8(tvb, offset+18); + batman_packeth->num_tt = tvb_get_guint8(tvb, offset+19); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V7_SIZE, + "B.A.T.M.A.N., Orig: %s", + address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); + batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); + + /* items */ + proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, + "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, + ett_batadv_batman_flags, batman_v5_flags, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + tap_queue_packet(batadv_tap, pinfo, batman_packeth); + + for (i = 0; i < batman_packeth->num_tt; i++) { + next_tvb = tvb_new_subset_length(tvb, offset, 6); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree); + offset += 6; + } + + return offset; +} + +static int dissect_batadv_batman_v9(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti, *tgw; + proto_tree *batadv_batman_tree; + guint8 type; + struct batman_packet_v9 *batman_packeth; + gint i; + + tvbuff_t *next_tvb; + + batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v9); + + type = tvb_get_guint8(tvb, offset+0); + batman_packeth->version = tvb_get_guint8(tvb, offset+1); + + /* don't interpret padding as B.A.T.M.A.N. advanced packet */ + if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { + return -1; + } + + batman_packeth->flags = tvb_get_guint8(tvb, offset+2); + batman_packeth->tq = tvb_get_guint8(tvb, offset+3); + batman_packeth->seqno = tvb_get_ntohs(tvb, offset+4); + set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+6); + copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); + copy_address_shallow(&pinfo->src, &batman_packeth->orig); + set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+12); + batman_packeth->ttl = tvb_get_guint8(tvb, offset+18); + batman_packeth->num_tt = tvb_get_guint8(tvb, offset+19); + batman_packeth->gwflags = tvb_get_guint8(tvb, offset+20); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V9_SIZE, + "B.A.T.M.A.N., Orig: %s", + address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); + batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); + + /* items */ + proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, + "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, + ett_batadv_batman_flags, batman_v9_flags, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN); + dissect_batadv_gwflags(tvb, batman_packeth->gwflags, offset, tgw); + offset += 1; + + /* Skip 1 byte of padding. */ + offset += 1; + + tap_queue_packet(batadv_tap, pinfo, batman_packeth); + + for (i = 0; i < batman_packeth->num_tt; i++) { + next_tvb = tvb_new_subset_length(tvb, offset, 6); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree); + offset += 6; + } + + return offset; +} + +static int dissect_batadv_batman_v10(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti, *tgw; + proto_tree *batadv_batman_tree; + guint8 type; + struct batman_packet_v10 *batman_packeth; + gint i; + + tvbuff_t *next_tvb; + + batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v10); + + type = tvb_get_guint8(tvb, offset+0); + batman_packeth->version = tvb_get_guint8(tvb, offset+1); + + /* don't interpret padding as B.A.T.M.A.N. advanced packet */ + if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { + return -1; + } + + batman_packeth->flags = tvb_get_guint8(tvb, offset+2); + batman_packeth->tq = tvb_get_guint8(tvb, offset+3); + batman_packeth->seqno = tvb_get_ntohl(tvb, offset+4); + set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8); + copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); + copy_address_shallow(&pinfo->src, &batman_packeth->orig); + set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14); + batman_packeth->ttl = tvb_get_guint8(tvb, offset+20); + batman_packeth->num_tt = tvb_get_guint8(tvb, offset+21); + batman_packeth->gwflags = tvb_get_guint8(tvb, offset+22); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V10_SIZE, + "B.A.T.M.A.N., Orig: %s", + address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); + batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); + + /* items */ + proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, + "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, + ett_batadv_batman_flags, batman_v9_flags, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN); + dissect_batadv_gwflags(tvb, batman_packeth->gwflags, offset, tgw); + offset += 1; + + /* Skip 1 byte of padding. */ + offset += 1; + + tap_queue_packet(batadv_tap, pinfo, batman_packeth); + + for (i = 0; i < batman_packeth->num_tt; i++) { + next_tvb = tvb_new_subset_length(tvb, offset, 6); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree); + offset += 6; + } + + return offset; +} + +static int dissect_batadv_batman_v11(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + proto_tree *batadv_batman_tree; + proto_item *ti; + guint8 type; + struct batman_packet_v11 *batman_packeth; + gint i; + + tvbuff_t *next_tvb; + + batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v11); + + type = tvb_get_guint8(tvb, offset+0); + batman_packeth->version = tvb_get_guint8(tvb, offset+1); + + /* don't interpret padding as B.A.T.M.A.N. advanced packet */ + if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { + return -1; + } + + batman_packeth->flags = tvb_get_guint8(tvb, offset+2); + batman_packeth->tq = tvb_get_guint8(tvb, offset+3); + batman_packeth->seqno = tvb_get_ntohl(tvb, offset+4); + set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8); + copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); + copy_address_shallow(&pinfo->src, &batman_packeth->orig); + set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14); + batman_packeth->ttl = tvb_get_guint8(tvb, offset+20); + batman_packeth->num_tt = tvb_get_guint8(tvb, offset+21); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V11_SIZE, + "B.A.T.M.A.N., Orig: %s", + address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); + batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); + + /* items */ + proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, + "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, + ett_batadv_batman_flags, batman_v9_flags, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_num_tt, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + tap_queue_packet(batadv_tap, pinfo, batman_packeth); + + for (i = 0; i < batman_packeth->num_tt; i++) { + next_tvb = tvb_new_subset_length(tvb, offset, 6); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_batadv_tt(next_tvb, pinfo, batadv_batman_tree); + offset += 6; + } + + return offset; +} + +static int dissect_batadv_batman_v14(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) +{ + proto_item *ti, *tgw; + proto_tree *batadv_batman_tree; + guint8 type; + struct batman_packet_v14 *batman_packeth; + gint i; + + tvbuff_t *next_tvb; + gint length_remaining; + + batman_packeth = wmem_new(pinfo->pool, struct batman_packet_v14); + + type = tvb_get_guint8(tvb, offset+0); + batman_packeth->version = tvb_get_guint8(tvb, offset+1); + + /* don't interpret padding as B.A.T.M.A.N. advanced packet */ + if (batman_packeth->version == 0 || type != BATADV_PACKET_V5) { + return -1; + } + + batman_packeth->ttl = tvb_get_guint8(tvb, offset+2); + batman_packeth->flags = tvb_get_guint8(tvb, offset+3); + batman_packeth->seqno = tvb_get_ntohl(tvb, offset+4); + set_address_tvb(&batman_packeth->orig, AT_ETHER, 6, tvb, offset+8); + copy_address_shallow(&pinfo->dl_src, &batman_packeth->orig); + copy_address_shallow(&pinfo->src, &batman_packeth->orig); + set_address_tvb(&batman_packeth->prev_sender, AT_ETHER, 6, tvb, offset+14); + batman_packeth->gw_flags = tvb_get_guint8(tvb, offset+20); + batman_packeth->tq = tvb_get_guint8(tvb, offset+21); + batman_packeth->tt_num_changes = tvb_get_guint8(tvb, offset+22); + batman_packeth->ttvn = tvb_get_guint8(tvb, offset+23); + batman_packeth->tt_crc = tvb_get_ntohs(tvb, offset+24); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", batman_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, offset, BATMAN_PACKET_V14_SIZE, + "B.A.T.M.A.N., Orig: %s", + address_with_resolution_to_str(pinfo->pool, &batman_packeth->orig)); + batadv_batman_tree = proto_item_add_subtree(ti, ett_batadv_batman); + + /* items */ + proto_tree_add_uint_format(batadv_batman_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_PACKET_V5, + "Packet Type: %s (%u)", "BATADV_PACKET", BATADV_PACKET_V5); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_bitmask(batadv_batman_tree, tvb, offset, hf_batadv_batman_flags, + ett_batadv_batman_flags, batman_v14_flags, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_prev_sender, tvb, offset, 6, ENC_NA); + offset += 6; + + tgw = proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_gwflags, tvb, offset, 1, ENC_BIG_ENDIAN); + dissect_batadv_gwflags(tvb, batman_packeth->gw_flags, offset, tgw); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tq, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tt_num_changes, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_batman_tree, hf_batadv_batman_tt_crc, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + tap_queue_packet(batadv_tap, pinfo, batman_packeth); + + for (i = 0; i < batman_packeth->tt_num_changes; i++) { + next_tvb = tvb_new_subset_length(tvb, offset, TT_ENTRY_V14_SIZE); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_tt_entry_v14(next_tvb, pinfo, batadv_batman_tree); + offset += TT_ENTRY_V14_SIZE; + } + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + call_data_dissector(next_tvb, pinfo, tree); + } + + return offset; +} + +static void dissect_batadv_iv_ogm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + int offset = 0; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_IV_OGM"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 15: + while (offset != -1 && + tvb_reported_length_remaining(tvb, offset) >= IV_OGM_PACKET_V15_SIZE) { + offset = dissect_batadv_iv_ogm_v15(tvb, offset, pinfo, tree); + } + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static int dissect_batadv_iv_ogm_v15(tvbuff_t *tvb, int offset, + packet_info *pinfo, proto_tree *tree) +{ + proto_tree *batadv_iv_ogm_tree; + proto_item *ti; + guint8 type, version; + struct iv_ogm_packet_v15 *iv_ogm_packeth; + tvbuff_t *next_tvb; + static int * const flags[] = { + &hf_batadv_iv_ogm_flags_directlink, + &hf_batadv_iv_ogm_flags_primaries_first_hop, + &hf_batadv_iv_ogm_flags_not_best_next_hop, + NULL + }; + + type = tvb_get_guint8(tvb, offset+0); + version = tvb_get_guint8(tvb, offset+1); + + /* don't interpret padding as B.A.T.M.A.N. advanced packet */ + if (version == 0 || type != BATADV_IV_OGM_V15) + return -1; + + iv_ogm_packeth = wmem_new(pinfo->pool, struct iv_ogm_packet_v15); + + /* Set info column */ + col_clear(pinfo->cinfo, COL_INFO); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, + tvb, offset, + IV_OGM_PACKET_V15_SIZE, + "B.A.T.M.A.N. IV OGM, Orig: %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, offset + 8)); + batadv_iv_ogm_tree = proto_item_add_subtree(ti, ett_batadv_iv_ogm); + + /* items */ + iv_ogm_packeth->packet_type = tvb_get_guint8(tvb, offset); + proto_tree_add_uint_format_value(batadv_iv_ogm_tree, + hf_batadv_packet_type, + tvb, offset, 1, BATADV_IV_OGM_V15, + "%s (%u)", "BATADV_IV_OGM", + BATADV_IV_OGM_V15); + offset += 1; + + iv_ogm_packeth->version = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_version, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + iv_ogm_packeth->ttl = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_ttl, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + iv_ogm_packeth->flags = tvb_get_guint8(tvb, offset); + proto_tree_add_bitmask(batadv_iv_ogm_tree, tvb, offset, + hf_batadv_iv_ogm_flags, ett_batadv_iv_ogm_flags, + flags, ENC_NA); + offset += 1; + + proto_tree_add_item_ret_uint(batadv_iv_ogm_tree, hf_batadv_iv_ogm_seqno, + tvb, offset, 4, ENC_BIG_ENDIAN, + &iv_ogm_packeth->seqno); + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", iv_ogm_packeth->seqno); + offset += 4; + + set_address_tvb(&iv_ogm_packeth->orig, AT_ETHER, 6, tvb, offset); + set_address_tvb(&pinfo->dl_src, AT_ETHER, 6, tvb, offset); + set_address_tvb(&pinfo->src, AT_ETHER, 6, tvb, offset); + proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_orig, tvb, + offset, 6, ENC_NA); + offset += 6; + + set_address_tvb(&iv_ogm_packeth->prev_sender, AT_ETHER, 6, tvb, offset); + proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_prev_sender, tvb, + offset, 6, ENC_NA); + offset += 6; + + /* Skip 1 byte of padding. */ + iv_ogm_packeth->reserved = tvb_get_guint8(tvb, offset); + offset += 1; + + iv_ogm_packeth->tq = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_tq, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + iv_ogm_packeth->tvlv_len = tvb_get_ntohs(tvb, offset); + proto_item_set_len(ti, IV_OGM_PACKET_V15_SIZE + iv_ogm_packeth->tvlv_len); + proto_tree_add_item(batadv_iv_ogm_tree, hf_batadv_iv_ogm_tvlv_len, tvb, + offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + tap_queue_packet(batadv_tap, pinfo, iv_ogm_packeth); + + if (iv_ogm_packeth->tvlv_len > 0) { + next_tvb = tvb_new_subset_length(tvb, offset, + iv_ogm_packeth->tvlv_len); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_batadv_tvlv_v15(next_tvb, pinfo, batadv_iv_ogm_tree); + offset += iv_ogm_packeth->tvlv_len; + } + + return offset; +} + +static void dissect_batadv_tt(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree *batadv_batman_tt_tree; + proto_item *ti; + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, 6, + "B.A.T.M.A.N. TT: %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 0)); + batadv_batman_tt_tree = proto_item_add_subtree(ti, ett_batadv_batman_tt); + + proto_tree_add_item(batadv_batman_tt_tree, hf_batadv_batman_tt, tvb, 0, 6, ENC_NA); +} + +static void dissect_batadv_bcast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_BCAST"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 6: + case 7: + case 8: + case 9: + dissect_batadv_bcast_v6(tvb, pinfo, tree); + break; + case 10: + case 11: + case 12: + case 13: + dissect_batadv_bcast_v10(tvb, pinfo, tree); + break; + case 14: + case 15: + dissect_batadv_bcast_v14(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_bcast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct bcast_packet_v6 *bcast_packeth; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + proto_tree *batadv_bcast_tree; + proto_item *ti; + + bcast_packeth = wmem_new(pinfo->pool, struct bcast_packet_v6); + + bcast_packeth->version = tvb_get_guint8(tvb, 1); + set_address_tvb(&bcast_packeth->orig, AT_ETHER, 6, tvb, 2); + copy_address_shallow(&pinfo->dl_src, &bcast_packeth->orig); + copy_address_shallow(&pinfo->src, &bcast_packeth->orig); + bcast_packeth->seqno = tvb_get_ntohs(tvb, 8); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", bcast_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, BCAST_PACKET_V6_SIZE, + "B.A.T.M.A.N. Bcast, Orig: %s", + address_with_resolution_to_str(pinfo->pool, &bcast_packeth->orig)); + batadv_bcast_tree = proto_item_add_subtree(ti, ett_batadv_bcast); + + /* items */ + proto_tree_add_uint_format(batadv_bcast_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_BCAST_V5, + "Packet Type: %s (%u)", "BATADV_BCAST", BATADV_BCAST_V5); + offset += 1; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + tap_queue_packet(batadv_tap, pinfo, bcast_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_dissector(eth_handle, next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_bcast_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct bcast_packet_v10 *bcast_packeth; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + proto_tree *batadv_bcast_tree; + proto_item *ti; + + bcast_packeth = wmem_new(pinfo->pool, struct bcast_packet_v10); + + bcast_packeth->version = tvb_get_guint8(tvb, 1); + set_address_tvb(&bcast_packeth->orig, AT_ETHER, 6, tvb, 2); + copy_address_shallow(&pinfo->dl_src, &bcast_packeth->orig); + copy_address_shallow(&pinfo->src, &bcast_packeth->orig); + bcast_packeth->ttl = tvb_get_guint8(tvb, 8); + bcast_packeth->seqno = tvb_get_ntohl(tvb, 9); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", bcast_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, BCAST_PACKET_V10_SIZE, + "B.A.T.M.A.N. Bcast, Orig: %s", + address_with_resolution_to_str(pinfo->pool, &bcast_packeth->orig)); + batadv_bcast_tree = proto_item_add_subtree(ti, ett_batadv_bcast); + + /* items */ + proto_tree_add_uint_format(batadv_bcast_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_BCAST_V5, + "Packet Type: %s (%u)", "BATADV_BCAST", BATADV_BCAST_V5); + offset += 1; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + tap_queue_packet(batadv_tap, pinfo, bcast_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_dissector(eth_handle, next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_bcast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct bcast_packet_v14 *bcast_packeth; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + proto_tree *batadv_bcast_tree; + proto_item *ti; + + bcast_packeth = wmem_new(pinfo->pool, struct bcast_packet_v14); + + bcast_packeth->packet_type = tvb_get_guint8(tvb, 0); + bcast_packeth->version = tvb_get_guint8(tvb, 1); + bcast_packeth->ttl = tvb_get_guint8(tvb, 2); + bcast_packeth->reserved = tvb_get_guint8(tvb, 3); + bcast_packeth->seqno = tvb_get_ntohl(tvb, 4); + set_address_tvb(&bcast_packeth->orig, AT_ETHER, 6, tvb, 8); + copy_address_shallow(&pinfo->dl_src, &bcast_packeth->orig); + copy_address_shallow(&pinfo->src, &bcast_packeth->orig); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", bcast_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, BCAST_PACKET_V14_SIZE, + "B.A.T.M.A.N. Bcast, Orig: %s", + address_with_resolution_to_str(pinfo->pool, &bcast_packeth->orig)); + batadv_bcast_tree = proto_item_add_subtree(ti, ett_batadv_bcast); + + /* items */ + proto_tree_add_uint_format_value(batadv_bcast_tree, + hf_batadv_packet_type, tvb, offset, 1, + bcast_packeth->packet_type, + "%s (%u)", "BATADV_BCAST", + bcast_packeth->packet_type); + offset += 1; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Skip 1 byte of padding. */ + offset += 1; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + proto_tree_add_item(batadv_bcast_tree, hf_batadv_bcast_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + tap_queue_packet(batadv_tap, pinfo, bcast_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_dissector(eth_handle, next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_icmp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_ICMP"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 6: + dissect_batadv_icmp_v6(tvb, pinfo, tree); + break; + case 7: + case 8: + case 9: + case 10: + case 11: + case 12: + case 13: + dissect_batadv_icmp_v7(tvb, pinfo, tree); + break; + case 14: + dissect_batadv_icmp_v14(tvb, pinfo, tree); + break; + case 15: + dissect_batadv_icmp_v15(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_icmp_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct icmp_packet_v6 *icmp_packeth; + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + proto_tree *batadv_icmp_tree; + proto_item *ti; + + icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v6); + + icmp_packeth->version = tvb_get_guint8(tvb, 1); + icmp_packeth->msg_type = tvb_get_guint8(tvb, 2); + set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, 3); + set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, 9); + + copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig); + copy_address_shallow(&pinfo->src, &icmp_packeth->orig); + copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst); + copy_address_shallow(&pinfo->dst, &icmp_packeth->dst); + + icmp_packeth->ttl = tvb_get_guint8(tvb, 15); + icmp_packeth->uid = tvb_get_guint8(tvb, 16); + icmp_packeth->seqno = tvb_get_ntohs(tvb, 17); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", + val_to_str(icmp_packeth->msg_type, icmp_packettypenames, "Unknown (0x%02x)"), + icmp_packeth->seqno); + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ICMP_PACKET_V6_SIZE, + "B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s", + address_with_resolution_to_str(pinfo->pool, &icmp_packeth->orig), + address_with_resolution_to_str(pinfo->pool, &icmp_packeth->dst)); + batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp); + + /* items */ + proto_tree_add_uint_format(batadv_icmp_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ICMP_V5, + "Packet Type: %s (%u)", "BATADV_ICMP", BATADV_ICMP_V5); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + tap_queue_packet(batadv_tap, pinfo, icmp_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void +dissect_batadv_icmp_rr(packet_info *pinfo, proto_tree *batadv_icmp_tree, tvbuff_t *tvb, int offset) +{ + proto_tree *field_tree; + int ptr, i; + + ptr = tvb_get_guint8(tvb, offset); + if (ptr < 1 || ptr > BAT_RR_LEN) + return; + + field_tree = proto_tree_add_subtree(batadv_icmp_tree, tvb, offset, 1+ 6 * BAT_RR_LEN, + ett_batadv_icmp_rr, NULL, "ICMP RR"); + proto_tree_add_item(field_tree, hf_batadv_icmp_rr_pointer, tvb, offset, 1, ENC_BIG_ENDIAN); + + ptr--; + offset++; + for (i = 0; i < BAT_RR_LEN; i++) { + proto_tree_add_ether_format(field_tree, hf_batadv_icmp_rr_ether, tvb, offset, 6, tvb_get_ptr(tvb, offset, 6), + "%s%s", (i > ptr) ? "-" : tvb_ether_to_str(pinfo->pool, tvb, offset), + (i == ptr) ? " <- (current)" : ""); + + offset += 6; + } +} + +static void +dissect_batadv_icmp_rr_v15(packet_info *pinfo, proto_tree *batadv_icmp_tree, tvbuff_t *tvb, + int offset, int ptr) +{ + proto_tree *field_tree; + int i; + + field_tree = proto_tree_add_subtree(batadv_icmp_tree, tvb, offset, + 6 * BAT_RR_LEN, + ett_batadv_icmp_rr, NULL, + "ICMP RR"); + ptr--; + + for (i = 0; i < BAT_RR_LEN; i++) { + proto_tree_add_ether_format(field_tree, hf_batadv_icmp_rr_ether, + tvb, offset, 6, + tvb_get_ptr(tvb, offset, 6), + "%s%s", + (i > ptr) ? "-" : tvb_ether_to_str(pinfo->pool, tvb, offset), + (i == ptr) ? " <- (current)" : ""); + + offset += 6; + } +} + +static void dissect_batadv_icmp_v7(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct icmp_packet_v7 *icmp_packeth; + proto_item *ti; + proto_tree *batadv_icmp_tree; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + + icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v7); + + icmp_packeth->version = tvb_get_guint8(tvb, 1); + icmp_packeth->msg_type = tvb_get_guint8(tvb, 2); + icmp_packeth->ttl = tvb_get_guint8(tvb, 3); + set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, 4); + set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, 10); + + copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig); + copy_address_shallow(&pinfo->src, &icmp_packeth->orig); + copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst); + copy_address_shallow(&pinfo->dst, &icmp_packeth->dst); + + icmp_packeth->seqno = tvb_get_ntohs(tvb, 16); + icmp_packeth->uid = tvb_get_guint8(tvb, 17); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", + val_to_str(icmp_packeth->msg_type, icmp_packettypenames, "Unknown (0x%02x)"), + icmp_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ICMP_PACKET_V7_SIZE, + "B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s", + address_with_resolution_to_str(pinfo->pool, &icmp_packeth->orig), + address_with_resolution_to_str(pinfo->pool, &icmp_packeth->dst)); + batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp); + + /* items */ + proto_tree_add_uint_format(batadv_icmp_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ICMP_V5, + "Packet Type: %s (%u)", "BATADV_ICMP", BATADV_ICMP_V5); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* rr data available? */ + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining >= 1 + BAT_RR_LEN * 6) { + dissect_batadv_icmp_rr(pinfo, batadv_icmp_tree, tvb, offset); + offset += 1 + BAT_RR_LEN * 6; + } + + tap_queue_packet(batadv_tap, pinfo, icmp_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_icmp_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct icmp_packet_v14 *icmp_packeth; + proto_item *ti; + proto_tree *batadv_icmp_tree; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + + icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v14); + + icmp_packeth->version = tvb_get_guint8(tvb, 1); + icmp_packeth->ttl = tvb_get_guint8(tvb, 2); + icmp_packeth->msg_type = tvb_get_guint8(tvb, 3); + set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, 4); + set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, 10); + + copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig); + copy_address_shallow(&pinfo->src, &icmp_packeth->orig); + copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst); + copy_address_shallow(&pinfo->dst, &icmp_packeth->dst); + + icmp_packeth->seqno = tvb_get_ntohs(tvb, 16); + icmp_packeth->uid = tvb_get_guint8(tvb, 17); + icmp_packeth->reserved = tvb_get_guint8(tvb, 18); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", + val_to_str(icmp_packeth->msg_type, icmp_packettypenames, "Unknown (0x%02x)"), + icmp_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ICMP_PACKET_V14_SIZE, + "B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s", + address_with_resolution_to_str(pinfo->pool, &icmp_packeth->orig), + address_with_resolution_to_str(pinfo->pool, &icmp_packeth->dst)); + batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp); + + /* items */ + proto_tree_add_uint_format(batadv_icmp_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ICMP_V5, + "Packet Type: %s (%u)", "BATADV_ICMP", BATADV_ICMP_V5); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_msg_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Skip 1 byte of padding. */ + offset += 1; + + /* rr data available? */ + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining >= 1 + BAT_RR_LEN * 6) { + dissect_batadv_icmp_rr(pinfo, batadv_icmp_tree, tvb, offset); + offset += 1 + BAT_RR_LEN * 6; + } + + tap_queue_packet(batadv_tap, pinfo, icmp_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_icmp_tp_v15(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + struct icmp_tp_packet_v15 *icmp_packeth; + proto_item *ti; + proto_tree *batadv_icmp_tree = NULL; + + tvbuff_t *next_tvb; + gint length_remaining; + guint32 msg_type; + int offset = 0; + + icmp_packeth = wmem_new(pinfo->pool, struct icmp_tp_packet_v15); + + /* Set info column */ + col_clear(pinfo->cinfo, COL_INFO); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, + tvb, 0, ICMP_PACKET_V14_SIZE, + "B.A.T.M.A.N. ICMP TP, Orig: %s, Dst: %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 10), + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4)); + batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp); + + /* items */ + icmp_packeth->packet_type = tvb_get_guint8(tvb, offset); + proto_tree_add_uint_format_value(batadv_icmp_tree, + hf_batadv_packet_type, tvb, + offset, 1, icmp_packeth->packet_type, + "%s (%u)", "BATADV_ICMP", + icmp_packeth->packet_type); + offset += 1; + + icmp_packeth->version = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + icmp_packeth->ttl = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, + 1, ENC_BIG_ENDIAN); + offset += 1; + + icmp_packeth->msg_type = tvb_get_guint8(tvb, offset); + proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_msg_type, + tvb, offset, 1, ENC_BIG_ENDIAN, &msg_type); + col_add_fstr(pinfo->cinfo, COL_INFO, "[%s]", + val_to_str(msg_type, icmp_packettypenames, + "Unknown (0x%02x)")); + offset += 1; + + set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, offset); + copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst); + copy_address_shallow(&pinfo->dst, &icmp_packeth->dst); + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, + 6, ENC_NA); + offset += 6; + + set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, offset); + copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig); + copy_address_shallow(&pinfo->src, &icmp_packeth->orig); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, + 6, ENC_NA); + offset += 6; + + icmp_packeth->uid = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, + 1, ENC_BIG_ENDIAN); + offset += 1; + + icmp_packeth->subtype = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_tp_subtype, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + icmp_packeth->session = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_tp_session, tvb, + offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_tp_seqno, + tvb, offset, 4, ENC_BIG_ENDIAN, + &icmp_packeth->seqno); + col_append_fstr(pinfo->cinfo, COL_INFO, " Seq=%u", icmp_packeth->seqno); + offset += 4; + + icmp_packeth->timestamp = tvb_get_ntohl(tvb, offset); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_tp_timestamp, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + tap_queue_packet(batadv_tap, pinfo, icmp_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_icmp_simple_v15(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + struct icmp_packet_v15 *icmp_packeth; + proto_item *ti; + proto_tree *batadv_icmp_tree; + + tvbuff_t *next_tvb; + gint length_remaining; + guint32 msg_type; + int offset = 0; + guint32 seqno; + + icmp_packeth = wmem_new(pinfo->pool, struct icmp_packet_v15); + + /* Set info column */ + col_clear(pinfo->cinfo, COL_INFO); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, + tvb, 0, ICMP_PACKET_V14_SIZE, + "B.A.T.M.A.N. ICMP, Orig: %s, Dst: %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 10), + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4)); + batadv_icmp_tree = proto_item_add_subtree(ti, ett_batadv_icmp); + + /* items */ + icmp_packeth->packet_type = tvb_get_guint8(tvb, offset); + proto_tree_add_uint_format_value(batadv_icmp_tree, + hf_batadv_packet_type, tvb, + offset, 1, icmp_packeth->packet_type, + "%s (%u)", "BATADV_ICMP", + icmp_packeth->packet_type); + offset += 1; + + icmp_packeth->version = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_version, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + icmp_packeth->ttl = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_ttl, tvb, offset, + 1, ENC_BIG_ENDIAN); + offset += 1; + + icmp_packeth->msg_type = tvb_get_guint8(tvb, offset); + proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_msg_type, + tvb, offset, 1, ENC_BIG_ENDIAN, &msg_type); + col_add_fstr(pinfo->cinfo, COL_INFO, "[%s]", + val_to_str(msg_type, icmp_packettypenames, + "Unknown (0x%02x)")); + offset += 1; + + set_address_tvb(&icmp_packeth->dst, AT_ETHER, 6, tvb, offset); + copy_address_shallow(&pinfo->dl_dst, &icmp_packeth->dst); + copy_address_shallow(&pinfo->dst, &icmp_packeth->dst); + + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_dst, tvb, offset, + 6, ENC_NA); + offset += 6; + + set_address_tvb(&icmp_packeth->orig, AT_ETHER, 6, tvb, offset); + copy_address_shallow(&pinfo->dl_src, &icmp_packeth->orig); + copy_address_shallow(&pinfo->src, &icmp_packeth->orig); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_orig, tvb, offset, + 6, ENC_NA); + offset += 6; + + icmp_packeth->uid = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_uid, tvb, offset, + 1, ENC_BIG_ENDIAN); + offset += 1; + + icmp_packeth->rr_ptr = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_icmp_tree, hf_batadv_icmp_rr_pointer, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + icmp_packeth->seqno = tvb_get_ntohs(tvb, offset); + proto_tree_add_item_ret_uint(batadv_icmp_tree, hf_batadv_icmp_seqno, + tvb, offset, 2, ENC_BIG_ENDIAN, &seqno); + col_append_fstr(pinfo->cinfo, COL_INFO, " Seq=%u", seqno); + offset += 2; + + /* rr data available? */ + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining >= BAT_RR_LEN * 6) { + dissect_batadv_icmp_rr_v15(pinfo, batadv_icmp_tree, tvb, offset, + icmp_packeth->rr_ptr); + offset += BAT_RR_LEN * 6; + } + + tap_queue_packet(batadv_tap, pinfo, icmp_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_icmp_v15(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + guint8 msg_type; + + msg_type = tvb_get_guint8(tvb, 3); + switch (msg_type) { + case BATADV_TP: + dissect_batadv_icmp_tp_v15(tvb, pinfo, tree); + break; + default: + dissect_batadv_icmp_simple_v15(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_unicast(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 6: + case 7: + case 8: + case 9: + case 10: + case 11: + case 12: + case 13: + dissect_batadv_unicast_v6(tvb, pinfo, tree); + break; + case 14: + case 15: + dissect_batadv_unicast_v14(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_unicast_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct unicast_packet_v6 *unicast_packeth; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + proto_tree *batadv_unicast_tree; + proto_item *ti; + + unicast_packeth = wmem_new(pinfo->pool, struct unicast_packet_v6); + + unicast_packeth->version = tvb_get_guint8(tvb, 1); + set_address_tvb(&unicast_packeth->dest, AT_ETHER, 6, tvb, 2); + copy_address_shallow(&pinfo->dl_dst, &unicast_packeth->dest); + copy_address_shallow(&pinfo->dst, &unicast_packeth->dest); + + unicast_packeth->ttl = tvb_get_guint8(tvb, 8); + + /* Set info column */ + col_clear(pinfo->cinfo, COL_INFO); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_PACKET_V6_SIZE, + "B.A.T.M.A.N. Unicast, Dst: %s", + address_with_resolution_to_str(pinfo->pool, &unicast_packeth->dest)); + batadv_unicast_tree = proto_item_add_subtree(ti, ett_batadv_unicast); + + /* items */ + proto_tree_add_uint_format(batadv_unicast_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_UNICAST_V5, + "Packet Type: %s (%u)", "BATADV_UNICAST", BATADV_UNICAST_V5); + offset += 1; + + proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_dst, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + tap_queue_packet(batadv_tap, pinfo, unicast_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_dissector(eth_handle, next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_unicast_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct unicast_packet_v14 *unicast_packeth; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + proto_tree *batadv_unicast_tree; + proto_item *ti; + + unicast_packeth = wmem_new(pinfo->pool, struct unicast_packet_v14); + + unicast_packeth->packet_type = tvb_get_guint8(tvb, 0); + unicast_packeth->version = tvb_get_guint8(tvb, 1); + unicast_packeth->ttl = tvb_get_guint8(tvb, 2); + unicast_packeth->ttvn = tvb_get_guint8(tvb, 3); + set_address_tvb(&unicast_packeth->dest, AT_ETHER, 6, tvb, 4); + copy_address_shallow(&pinfo->dl_dst, &unicast_packeth->dest); + copy_address_shallow(&pinfo->dst, &unicast_packeth->dest); + + /* Set info column */ + col_clear(pinfo->cinfo, COL_INFO); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_PACKET_V14_SIZE, + "B.A.T.M.A.N. Unicast, Dst: %s", + address_with_resolution_to_str(pinfo->pool, &unicast_packeth->dest)); + batadv_unicast_tree = proto_item_add_subtree(ti, ett_batadv_unicast); + + /* items */ + proto_tree_add_uint_format_value(batadv_unicast_tree, + hf_batadv_packet_type, tvb, offset, 1, + unicast_packeth->packet_type, + "%s (%u)", + "BATADV_UNICAST", + unicast_packeth->packet_type); + offset += 1; + + proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_tree, hf_batadv_unicast_dst, tvb, offset, 6, ENC_NA); + offset += 6; + + tap_queue_packet(batadv_tap, pinfo, unicast_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_dissector(eth_handle, next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_unicast_4addr(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST_4ADDR"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 14: + case 15: + dissect_batadv_unicast_4addr_v14(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_unicast_4addr_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct unicast_4addr_packet_v14 *unicast_4addr_packeth; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + proto_tree *batadv_unicast_4addr_tree; + proto_item *ti; + + unicast_4addr_packeth = wmem_new(pinfo->pool, struct unicast_4addr_packet_v14); + + unicast_4addr_packeth->packet_type = tvb_get_guint8(tvb, 0); + unicast_4addr_packeth->version = tvb_get_guint8(tvb, 1); + unicast_4addr_packeth->ttl = tvb_get_guint8(tvb, 2); + unicast_4addr_packeth->ttvn = tvb_get_guint8(tvb, 3); + set_address_tvb(&unicast_4addr_packeth->dest, AT_ETHER, 6, tvb, 4); + copy_address_shallow(&pinfo->dl_dst, &unicast_4addr_packeth->dest); + copy_address_shallow(&pinfo->dst, &unicast_4addr_packeth->dest); + + set_address_tvb(&unicast_4addr_packeth->src, AT_ETHER, 6, tvb, 10); + copy_address_shallow(&pinfo->dl_src, &unicast_4addr_packeth->src); + copy_address_shallow(&pinfo->src, &unicast_4addr_packeth->src); + unicast_4addr_packeth->subtype = tvb_get_guint8(tvb, 16); + unicast_4addr_packeth->reserved = tvb_get_guint8(tvb, 17); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "%s", + val_to_str(unicast_4addr_packeth->subtype, unicast_4addr_typenames, "Unknown (0x%02x)")); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_4ADDR_PACKET_V14_SIZE, + "B.A.T.M.A.N. Unicast 4Addr, Dst: %s", + address_with_resolution_to_str(pinfo->pool, &unicast_4addr_packeth->dest)); + batadv_unicast_4addr_tree = proto_item_add_subtree(ti, ett_batadv_unicast_4addr); + + /* items */ + proto_tree_add_uint_format_value(batadv_unicast_4addr_tree, + hf_batadv_packet_type, tvb, offset, 1, + unicast_4addr_packeth->packet_type, + "%s (%u)", "BATADV_UNICAST_4ADDR", + unicast_4addr_packeth->packet_type); + offset += 1; + + proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_dst, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_src, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_unicast_4addr_tree, hf_batadv_unicast_4addr_subtype, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Skip 1 byte of padding. */ + offset += 1; + + tap_queue_packet(batadv_tap, pinfo, unicast_4addr_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_dissector(eth_handle, next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_unicast_frag(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST_FRAG"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 12: + case 13: + dissect_batadv_unicast_frag_v12(tvb, pinfo, tree); + break; + case 14: + dissect_batadv_unicast_frag_v14(tvb, pinfo, tree); + break; + case 15: + dissect_batadv_unicast_frag_v15(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_unicast_frag_v12(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct unicast_frag_packet_v12 *unicast_frag_packeth; + gboolean save_fragmented; + fragment_head *frag_msg = NULL; + proto_tree *batadv_unicast_frag_tree; + proto_item *ti; + + tvbuff_t *new_tvb; + int offset = 0; + int head = 0; + gint length_remaining; + + unicast_frag_packeth = wmem_new(pinfo->pool, struct unicast_frag_packet_v12); + + unicast_frag_packeth->version = tvb_get_guint8(tvb, 1); + set_address_tvb(&unicast_frag_packeth->dest, AT_ETHER, 6, tvb, 2); + copy_address_shallow(&pinfo->dl_dst, &unicast_frag_packeth->dest); + copy_address_shallow(&pinfo->dst, &unicast_frag_packeth->dest); + unicast_frag_packeth->ttl = tvb_get_guint8(tvb, 8); + unicast_frag_packeth->flags = tvb_get_guint8(tvb, 9); + set_address_tvb(&unicast_frag_packeth->orig, AT_ETHER, 6, tvb, 10); + copy_address_shallow(&pinfo->dl_src, &unicast_frag_packeth->orig); + copy_address_shallow(&pinfo->src, &unicast_frag_packeth->orig); + unicast_frag_packeth->seqno = tvb_get_ntohs(tvb, 16); + + save_fragmented = pinfo->fragmented; + pinfo->fragmented = TRUE; + + /* Set info column */ + col_clear(pinfo->cinfo, COL_INFO); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_FRAG_PACKET_V12_SIZE, + "B.A.T.M.A.N. Unicast Fragment, Dst: %s", + address_with_resolution_to_str(pinfo->pool, &unicast_frag_packeth->dest)); + batadv_unicast_frag_tree = proto_item_add_subtree(ti, ett_batadv_unicast_frag); + + /* items */ + proto_tree_add_uint_format(batadv_unicast_frag_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_UNICAST_FRAG_V12, + "Packet Type: %s (%u)", "BATADV_UNICAST_FRAG", BATADV_UNICAST_FRAG_V12); + offset += 1; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_dst, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_bitmask(batadv_unicast_frag_tree, tvb, offset, hf_batadv_unicast_frag_flags, + ett_batadv_batman_flags, unicast_frag_flags, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + tap_queue_packet(batadv_tap, pinfo, unicast_frag_packeth); + + head = (unicast_frag_packeth->flags & 0x1); + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining < 0) + length_remaining = 0; + frag_msg = fragment_add_seq_check(&msg_reassembly_table, + tvb, offset, + pinfo, unicast_frag_packeth->seqno + head, NULL, + 1 - head, + length_remaining, + head); + + new_tvb = process_reassembled_data(tvb, offset, pinfo, + "Reassembled Message", frag_msg, &msg_frag_items, + NULL, batadv_unicast_frag_tree); + if (new_tvb) { + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, new_tvb); + } + + call_dissector(eth_handle, new_tvb, pinfo, tree); + } + + pinfo->fragmented = save_fragmented; +} + +static void dissect_batadv_unicast_frag_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct unicast_frag_packet_v14 *unicast_frag_packeth; + gboolean save_fragmented; + fragment_head *frag_msg = NULL; + proto_tree *batadv_unicast_frag_tree; + proto_item *ti; + + tvbuff_t *new_tvb; + int offset = 0; + int head = 0; + gint length_remaining; + + unicast_frag_packeth = wmem_new(pinfo->pool, struct unicast_frag_packet_v14); + + unicast_frag_packeth->version = tvb_get_guint8(tvb, 1); + unicast_frag_packeth->ttl = tvb_get_guint8(tvb, 2); + unicast_frag_packeth->ttvn = tvb_get_guint8(tvb, 3); + set_address_tvb(&unicast_frag_packeth->dest, AT_ETHER, 6, tvb, 4); + copy_address_shallow(&pinfo->dl_dst, &unicast_frag_packeth->dest); + copy_address_shallow(&pinfo->dst, &unicast_frag_packeth->dest); + unicast_frag_packeth->flags = tvb_get_guint8(tvb, 10); + unicast_frag_packeth->align = tvb_get_guint8(tvb, 11); + set_address_tvb(&unicast_frag_packeth->orig, AT_ETHER, 6, tvb, 12); + copy_address_shallow(&pinfo->dl_src, &unicast_frag_packeth->orig); + copy_address_shallow(&pinfo->src, &unicast_frag_packeth->orig); + unicast_frag_packeth->seqno = tvb_get_ntohs(tvb, 18); + + save_fragmented = pinfo->fragmented; + pinfo->fragmented = TRUE; + + /* Set info column */ + col_clear(pinfo->cinfo, COL_INFO); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, UNICAST_FRAG_PACKET_V14_SIZE, + "B.A.T.M.A.N. Unicast Fragment, Dst: %s", + address_with_resolution_to_str(pinfo->pool, &unicast_frag_packeth->dest)); + batadv_unicast_frag_tree = proto_item_add_subtree(ti, ett_batadv_unicast_frag); + + /* items */ + proto_tree_add_uint_format(batadv_unicast_frag_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_UNICAST_FRAG_V12, + "Packet Type: %s (%u)", "BATADV_UNICAST", BATADV_UNICAST_FRAG_V12); + offset += 1; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_dst, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_bitmask(batadv_unicast_frag_tree, tvb, offset, hf_batadv_unicast_frag_flags, + ett_batadv_batman_flags, unicast_frag_flags, ENC_BIG_ENDIAN); + offset += 1; + + /* Skip 1 byte of padding. */ + offset += 1; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_seqno, tvb, offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + tap_queue_packet(batadv_tap, pinfo, unicast_frag_packeth); + + head = (unicast_frag_packeth->flags & 0x1); + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining < 0) + length_remaining = 0; + frag_msg = fragment_add_seq_check(&msg_reassembly_table, + tvb, offset, + pinfo, unicast_frag_packeth->seqno + head, NULL, + 1 - head, + length_remaining, + head); + + new_tvb = process_reassembled_data(tvb, offset, pinfo, + "Reassembled Message", frag_msg, &msg_frag_items, + NULL, batadv_unicast_frag_tree); + if (new_tvb) { + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, new_tvb); + } + + call_dissector(eth_handle, new_tvb, pinfo, tree); + } + + pinfo->fragmented = save_fragmented; +} + +static void dissect_batadv_unicast_frag_v15(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + struct unicast_frag_packet_v15 *unicast_frag_packeth; + gboolean save_fragmented; + fragment_head *frag_msg = NULL; + proto_tree *batadv_unicast_frag_tree; + proto_item *ti; + + tvbuff_t *new_tvb; + int offset = 0; + int frag_no = 0; + gint length_remaining; + + unicast_frag_packeth = wmem_new(pinfo->pool, struct unicast_frag_packet_v15); + + save_fragmented = pinfo->fragmented; + pinfo->fragmented = TRUE; + + /* Set info column */ + col_clear(pinfo->cinfo, COL_INFO); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, + tvb, 0, + UNICAST_FRAG_PACKET_V15_SIZE, + "B.A.T.M.A.N. Unicast Fragment, Dst: %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4)); + batadv_unicast_frag_tree = proto_item_add_subtree(ti, + ett_batadv_unicast_frag); + + /* items */ + unicast_frag_packeth->packet_type = tvb_get_guint8(tvb, offset); + proto_tree_add_uint_format_value(batadv_unicast_frag_tree, + hf_batadv_packet_type, tvb, offset, 1, + unicast_frag_packeth->packet_type, + "%s (%u)", "BATADV_UNICAST", + unicast_frag_packeth->packet_type); + offset += 1; + + unicast_frag_packeth->version = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_unicast_frag_tree, + hf_batadv_unicast_frag_version, tvb, offset, 1, + ENC_BIG_ENDIAN); + offset += 1; + + unicast_frag_packeth->ttl = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_unicast_frag_tree, + hf_batadv_unicast_frag_ttl, tvb, offset, 1, + ENC_BIG_ENDIAN); + offset += 1; + + unicast_frag_packeth->no = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_no, + tvb, offset, 1, ENC_BIG_ENDIAN); + + proto_tree_add_item(batadv_unicast_frag_tree, + hf_batadv_unicast_frag_priority, + tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + set_address_tvb(&unicast_frag_packeth->dest, AT_ETHER, 6, tvb, offset); + copy_address_shallow(&pinfo->dl_dst, &unicast_frag_packeth->dest); + copy_address_shallow(&pinfo->dst, &unicast_frag_packeth->dest); + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_dst, + tvb, offset, 6, ENC_NA); + offset += 6; + + set_address_tvb(&unicast_frag_packeth->orig, AT_ETHER, 6, tvb, offset); + copy_address_shallow(&pinfo->dl_src, &unicast_frag_packeth->orig); + copy_address_shallow(&pinfo->src, &unicast_frag_packeth->orig); + proto_tree_add_item(batadv_unicast_frag_tree, hf_batadv_unicast_frag_orig, + tvb, offset, 6, ENC_NA); + offset += 6; + + unicast_frag_packeth->seqno = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(batadv_unicast_frag_tree, + hf_batadv_unicast_frag_seqno, tvb, offset, 2, + ENC_BIG_ENDIAN); + offset += 2; + + unicast_frag_packeth->total_size = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(batadv_unicast_frag_tree, + hf_batadv_unicast_frag_total_size, tvb, offset, 2, + ENC_BIG_ENDIAN); + offset += 2; + + tap_queue_packet(batadv_tap, pinfo, unicast_frag_packeth); + + frag_no = unicast_frag_packeth->no >> 4; + /* only support 2 fragments */ + if (frag_no > 1) + return; + + length_remaining = tvb_captured_length_remaining(tvb, offset); + if (length_remaining < 0) + length_remaining = 0; + frag_msg = fragment_add_seq_check(&msg_reassembly_table, + tvb, offset, pinfo, + unicast_frag_packeth->seqno, NULL, + 1 - frag_no, length_remaining, TRUE); + + /* Assemble 2 fragments */ + fragment_set_tot_len(&msg_reassembly_table, pinfo, + unicast_frag_packeth->seqno, NULL, 1); + + new_tvb = process_reassembled_data(tvb, offset, pinfo, + "Reassembled Message", frag_msg, &msg_frag_items, + NULL, batadv_unicast_frag_tree); + if (new_tvb) { + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, new_tvb); + } + + call_dissector(batman_handle, new_tvb, pinfo, tree); + } + + pinfo->fragmented = save_fragmented; +} + +static void dissect_batadv_vis(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_VIS"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 6: + case 7: + case 8: + case 9: + dissect_batadv_vis_v6(tvb, pinfo, tree); + break; + case 10: + case 11: + case 12: + case 13: + dissect_batadv_vis_v10(tvb, pinfo, tree); + break; + case 14: + dissect_batadv_vis_v14(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_vis_v6(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct vis_packet_v6 *vis_packeth; + proto_tree *batadv_vis_tree; + proto_item *ti; + + tvbuff_t *next_tvb; + guint entry_size; + gint length_remaining; + int offset = 0, i; + + vis_packeth = wmem_new(pinfo->pool, struct vis_packet_v6); + + vis_packeth->version = tvb_get_guint8(tvb, 1); + vis_packeth->vis_type = tvb_get_guint8(tvb, 2); + vis_packeth->seqno = tvb_get_guint8(tvb, 3); + vis_packeth->entries = tvb_get_guint8(tvb, 4); + vis_packeth->ttl = tvb_get_guint8(tvb, 5); + + set_address_tvb(&vis_packeth->vis_orig, AT_ETHER, 6, tvb, 6); + copy_address_shallow(&pinfo->src, &vis_packeth->vis_orig); + set_address_tvb(&vis_packeth->target_orig, AT_ETHER, 6, tvb, 12); + copy_address_shallow(&pinfo->dl_dst, &vis_packeth->target_orig); + copy_address_shallow(&pinfo->dst, &vis_packeth->target_orig); + set_address_tvb(&vis_packeth->sender_orig, AT_ETHER, 6, tvb, 18); + copy_address_shallow(&pinfo->dl_src, &vis_packeth->sender_orig); + + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", + val_to_str(vis_packeth->vis_type, vis_packettypenames, "Unknown (0x%02x)"), + vis_packeth->seqno); + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_PACKET_V6_SIZE, + "B.A.T.M.A.N. Vis, Orig: %s", + address_with_resolution_to_str(pinfo->pool, &vis_packeth->vis_orig)); + batadv_vis_tree = proto_item_add_subtree(ti, ett_batadv_vis); + + /* items */ + proto_tree_add_uint_format(batadv_vis_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_VIS_V5, + "Packet Type: %s (%u)", "BATADV_VIS", BATADV_VIS_V5); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_seqno, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_entries, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_vis_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_target_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_sender_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + tap_queue_packet(batadv_tap, pinfo, vis_packeth); + + switch (vis_packeth->version) { + case 6: + case 7: + entry_size = VIS_ENTRY_V6_SIZE; + break; + default: + case 8: + case 9: + entry_size = VIS_ENTRY_V8_SIZE; + break; + } + + for (i = 0; i < vis_packeth->entries; i++) { + next_tvb = tvb_new_subset_length(tvb, offset, entry_size); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + if (batadv_vis_tree != NULL) { + switch (vis_packeth->version) { + case 6: + case 7: + dissect_vis_entry_v6(next_tvb, pinfo, batadv_vis_tree); + break; + default: + case 8: + case 9: + dissect_vis_entry_v8(next_tvb, pinfo, batadv_vis_tree); + break; + } + } + + offset += entry_size; + } + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_vis_v10(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct vis_packet_v10 *vis_packeth; + proto_tree *batadv_vis_tree; + proto_item *ti; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0, i; + + vis_packeth = wmem_new(pinfo->pool, struct vis_packet_v10); + + vis_packeth->version = tvb_get_guint8(tvb, 1); + vis_packeth->vis_type = tvb_get_guint8(tvb, 2); + vis_packeth->entries = tvb_get_guint8(tvb, 3); + vis_packeth->seqno = tvb_get_ntohl(tvb, 4); + vis_packeth->ttl = tvb_get_guint8(tvb, 8); + + set_address_tvb(&vis_packeth->vis_orig, AT_ETHER, 6, tvb, 9); + copy_address_shallow(&pinfo->src, &vis_packeth->vis_orig); + set_address_tvb(&vis_packeth->target_orig, AT_ETHER, 6, tvb, 15); + copy_address_shallow(&pinfo->dl_dst, &vis_packeth->target_orig); + copy_address_shallow(&pinfo->dst, &vis_packeth->target_orig); + set_address_tvb(&vis_packeth->sender_orig, AT_ETHER, 6, tvb, 21); + copy_address_shallow(&pinfo->dl_src, &vis_packeth->sender_orig); + + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", + val_to_str(vis_packeth->vis_type, vis_packettypenames, "Unknown (0x%02x)"), + vis_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_PACKET_V10_SIZE, + "B.A.T.M.A.N. Vis, Orig: %s", + address_with_resolution_to_str(pinfo->pool, &vis_packeth->vis_orig)); + batadv_vis_tree = proto_item_add_subtree(ti, ett_batadv_vis); + + /* items */ + proto_tree_add_uint_format(batadv_vis_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_VIS_V5, + "Packet Type: %s (%u)", "BATADV_VIS", BATADV_VIS_V5); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_entries, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_vis_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_target_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_sender_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + tap_queue_packet(batadv_tap, pinfo, vis_packeth); + + for (i = 0; i < vis_packeth->entries; i++) { + next_tvb = tvb_new_subset_length(tvb, offset, VIS_ENTRY_V8_SIZE); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_vis_entry_v8(next_tvb, pinfo, batadv_vis_tree); + offset += VIS_ENTRY_V8_SIZE; + } + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_vis_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct vis_packet_v14 *vis_packeth; + proto_tree *batadv_vis_tree; + proto_item *ti; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0, i; + + vis_packeth = wmem_new(pinfo->pool, struct vis_packet_v14); + + vis_packeth->version = tvb_get_guint8(tvb, 1); + vis_packeth->ttl = tvb_get_guint8(tvb, 2); + vis_packeth->vis_type = tvb_get_guint8(tvb, 3); + vis_packeth->seqno = tvb_get_ntohl(tvb, 4); + vis_packeth->entries = tvb_get_guint8(tvb, 8); + vis_packeth->reserved = tvb_get_guint8(tvb, 9); + + set_address_tvb(&vis_packeth->vis_orig, AT_ETHER, 6, tvb, 10); + copy_address_shallow(&pinfo->src, &vis_packeth->vis_orig); + set_address_tvb(&vis_packeth->target_orig, AT_ETHER, 6, tvb, 16); + copy_address_shallow(&pinfo->dl_dst, &vis_packeth->target_orig); + copy_address_shallow(&pinfo->dst, &vis_packeth->target_orig); + set_address_tvb(&vis_packeth->sender_orig, AT_ETHER, 6, tvb, 22); + copy_address_shallow(&pinfo->dl_src, &vis_packeth->sender_orig); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "[%s] Seq=%u", + val_to_str(vis_packeth->vis_type, vis_packettypenames, "Unknown (0x%02x)"), + vis_packeth->seqno); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_PACKET_V14_SIZE, + "B.A.T.M.A.N. Vis, Orig: %s", + address_with_resolution_to_str(pinfo->pool, &vis_packeth->vis_orig)); + batadv_vis_tree = proto_item_add_subtree(ti, ett_batadv_vis); + + /* items */ + proto_tree_add_uint_format(batadv_vis_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_VIS_V5, + "Packet Type: %s (%u)", "BATADV_VIS", BATADV_VIS_V5); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_type, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_seqno32, tvb, offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_entries, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Skip 1 byte of padding. */ + offset += 1; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_vis_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_target_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_vis_tree, hf_batadv_vis_sender_orig, tvb, offset, 6, ENC_NA); + offset += 6; + + tap_queue_packet(batadv_tap, pinfo, vis_packeth); + + for (i = 0; i < vis_packeth->entries; i++) { + next_tvb = tvb_new_subset_length(tvb, offset, VIS_ENTRY_V8_SIZE); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_vis_entry_v8(next_tvb, pinfo, batadv_vis_tree); + offset += VIS_ENTRY_V8_SIZE; + } + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_vis_entry_v6(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree *batadv_vis_entry_tree; + proto_item *ti; + + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_ENTRY_V6_SIZE, + "VIS Entry: %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 0)); + batadv_vis_entry_tree = proto_item_add_subtree(ti, ett_batadv_vis_entry); + + proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_dst, tvb, 0, 6, ENC_NA); + proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_quality, tvb, 6, 1, ENC_BIG_ENDIAN); +} + +static void dissect_vis_entry_v8(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree *batadv_vis_entry_tree; + proto_item *ti; + + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, VIS_ENTRY_V8_SIZE, + "VIS Entry: %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 6)); + batadv_vis_entry_tree = proto_item_add_subtree(ti, ett_batadv_vis_entry); + + proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_src, tvb, 0, 6, ENC_NA); + proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_dst, tvb, 6, 6, ENC_NA); + proto_tree_add_item(batadv_vis_entry_tree, hf_batadv_vis_entry_quality, tvb, 12, 1, ENC_BIG_ENDIAN); +} + +static void dissect_batadv_tt_query(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_TT_QUERY"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 14: + dissect_batadv_tt_query_v14(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_tt_query_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct tt_query_packet_v14 *tt_query_packeth; + proto_tree *batadv_tt_query_tree; + proto_item *ti; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0, i; + int tt_type; + + tt_query_packeth = wmem_new(pinfo->pool, struct tt_query_packet_v14); + + tt_query_packeth->version = tvb_get_guint8(tvb, 1); + tt_query_packeth->ttl = tvb_get_guint8(tvb, 2); + tt_query_packeth->flags = tvb_get_guint8(tvb, 3); + + set_address_tvb(&tt_query_packeth->dst, AT_ETHER, 6, tvb, 4); + copy_address_shallow(&pinfo->dl_dst, &tt_query_packeth->dst); + copy_address_shallow(&pinfo->dst, &tt_query_packeth->dst); + + set_address_tvb(&tt_query_packeth->src, AT_ETHER, 6, tvb, 10); + copy_address_shallow(&pinfo->dl_src, &tt_query_packeth->src); + copy_address_shallow(&pinfo->src, &tt_query_packeth->src); + + tt_query_packeth->ttvn = tvb_get_guint8(tvb, 16); + tt_query_packeth->tt_data = tvb_get_ntohs(tvb, 17); + + tt_type = TT_TYPE_MASK & tt_query_packeth->flags; + + /* Set info column */ + switch (tt_type) { + case TT_REQUEST: + col_add_fstr(pinfo->cinfo, COL_INFO, "Request=%u", tt_query_packeth->ttvn); + break; + case TT_RESPONSE: + col_add_fstr(pinfo->cinfo, COL_INFO, "Response=%u", tt_query_packeth->ttvn); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Type %u", tt_type); + break; + } + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, TT_QUERY_PACKET_V14_SIZE, + "B.A.T.M.A.N. TT Query, Dst: %s", + address_with_resolution_to_str(pinfo->pool, &tt_query_packeth->dst)); + batadv_tt_query_tree = proto_item_add_subtree(ti, ett_batadv_tt_query); + + /* items */ + proto_tree_add_uint_format(batadv_tt_query_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_TT_QUERY_V14, + "Packet Type: %s (%u)", "BATADV_TT_QUERY", BATADV_TT_QUERY_V14); + offset += 1; + + proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_bitmask(batadv_tt_query_tree, tvb, offset, hf_batadv_tt_query_flags, + ett_batadv_tt_query_flags, tt_query_flags, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_dst, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_src, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_ttvn, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + switch (tt_type) { + case TT_REQUEST: + proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_tt_crc, tvb, offset, 2, ENC_BIG_ENDIAN); + break; + case TT_RESPONSE: + proto_tree_add_item(batadv_tt_query_tree, hf_batadv_tt_query_entries, tvb, offset, 2, ENC_BIG_ENDIAN); + break; + default: + break; + } + offset += 2; + + tap_queue_packet(batadv_tap, pinfo, tt_query_packeth); + + if (tt_type == TT_RESPONSE) { + for (i = 0; i < tt_query_packeth->tt_data; i++) { + next_tvb = tvb_new_subset_length(tvb, offset, TT_ENTRY_V14_SIZE); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_tt_entry_v14(next_tvb, pinfo, batadv_tt_query_tree); + offset += TT_ENTRY_V14_SIZE; + } + } + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_tt_entry_v14(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree) +{ + proto_tree *batadv_tt_entry_tree; + proto_item *ti; + + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, TT_ENTRY_V14_SIZE, + "TT Entry: %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 1)); + batadv_tt_entry_tree = proto_item_add_subtree(ti, ett_batadv_tt_entry); + + proto_tree_add_bitmask(batadv_tt_entry_tree, tvb, 0, hf_batadv_tt_entry_flags, + ett_batadv_tt_entry_flags, tt_entry_flags, ENC_BIG_ENDIAN); + proto_tree_add_item(batadv_tt_entry_tree, hf_batadv_tt_entry, tvb, 1, 6, ENC_NA); +} + +static void dissect_batadv_roam_adv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_ROAM_ADV"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 14: + dissect_batadv_roam_adv_v14(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_roam_adv_v14(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + struct roam_adv_packet_v14 *roam_adv_packeth; + proto_tree *batadv_roam_adv_tree; + proto_item *ti; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + + roam_adv_packeth = wmem_new(pinfo->pool, struct roam_adv_packet_v14); + + roam_adv_packeth->version = tvb_get_guint8(tvb, 1); + roam_adv_packeth->ttl = tvb_get_guint8(tvb, 2); + set_address_tvb(&roam_adv_packeth->dst, AT_ETHER, 6, tvb, 4); + copy_address_shallow(&pinfo->dl_dst, &roam_adv_packeth->dst); + copy_address_shallow(&pinfo->dst, &roam_adv_packeth->dst); + set_address_tvb(&roam_adv_packeth->src, AT_ETHER, 6, tvb, 10); + copy_address_shallow(&pinfo->dl_src, &roam_adv_packeth->src); + copy_address_shallow(&pinfo->src, &roam_adv_packeth->src); + set_address_tvb(&roam_adv_packeth->client, AT_ETHER, 6, tvb, 16); + + /* Set info column */ + col_add_fstr(pinfo->cinfo, COL_INFO, "Client %s", address_with_resolution_to_str(pinfo->pool, &roam_adv_packeth->client)); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, tvb, 0, ROAM_ADV_PACKET_V14_SIZE, + "B.A.T.M.A.N. Roam: %s", + address_with_resolution_to_str(pinfo->pool, &roam_adv_packeth->client)); + batadv_roam_adv_tree = proto_item_add_subtree(ti, ett_batadv_roam_adv); + + /* items */ + proto_tree_add_uint_format(batadv_roam_adv_tree, hf_batadv_packet_type, tvb, offset, 1, BATADV_ROAM_ADV_V14, + "Packet Type: %s (%u)", "BATADV_ROAM_ADV", BATADV_ROAM_ADV_V14); + offset += 1; + + proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_version, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_ttl, tvb, offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + /* Skip 1 byte of padding. */ + offset += 1; + + proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_dst, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_src, tvb, offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_item(batadv_roam_adv_tree, hf_batadv_roam_adv_client, tvb, offset, 6, ENC_NA); + offset += 6; + + tap_queue_packet(batadv_tap, pinfo, roam_adv_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_coded(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_CODED"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 15: + dissect_batadv_coded_v15(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_coded_v15(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + struct coded_packet_v15 *coded_packeth; + proto_tree *batadv_coded_tree; + proto_item *ti; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + + coded_packeth = wmem_new(pinfo->pool, struct coded_packet_v15); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, + tvb, 0, + CODED_PACKET_V15_SIZE, + "B.A.T.M.A.N. Coded"); + batadv_coded_tree = proto_item_add_subtree(ti, ett_batadv_coded); + + /* items */ + coded_packeth->packet_type = tvb_get_guint8(tvb, offset); + proto_tree_add_uint_format_value(batadv_coded_tree, + hf_batadv_packet_type, + tvb, offset, 1, + coded_packeth->packet_type, + "%s (%u)", "BATADV_CODED", + coded_packeth->packet_type); + offset += 1; + + coded_packeth->version = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_version, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + coded_packeth->ttl = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_ttl, tvb, offset, + 1, ENC_BIG_ENDIAN); + offset += 1; + + coded_packeth->first_ttvn = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_ttvn, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + set_address_tvb(&coded_packeth->first_source, AT_ETHER, 6, tvb, offset); + copy_address_shallow(&pinfo->dl_src, &coded_packeth->first_source); + copy_address_shallow(&pinfo->src, &coded_packeth->first_source); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_source, + tvb, offset, 6, ENC_NA); + offset += 6; + + set_address_tvb(&coded_packeth->first_orig_dest, AT_ETHER, 6, tvb, offset); + copy_address_shallow(&pinfo->dl_dst, &coded_packeth->first_orig_dest); + copy_address_shallow(&pinfo->dst, &coded_packeth->first_orig_dest); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_orig_dest, + tvb, offset, 6, ENC_NA); + offset += 6; + + coded_packeth->first_crc = tvb_get_ntohl(tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_first_crc, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + coded_packeth->second_ttl = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_ttl, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + coded_packeth->second_ttvn = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_ttvn, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + set_address_tvb(&coded_packeth->second_dest, AT_ETHER, 6, tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_dest, + tvb, offset, 6, ENC_NA); + offset += 6; + + set_address_tvb(&coded_packeth->second_source, AT_ETHER, 6, tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_source, + tvb, offset, 6, ENC_NA); + offset += 6; + + set_address_tvb(&coded_packeth->second_orig_dest, AT_ETHER, 6, tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_orig_dest, + tvb, offset, 6, ENC_NA); + offset += 6; + + coded_packeth->second_crc = tvb_get_ntohl(tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_second_crc, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + coded_packeth->coded_len = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(batadv_coded_tree, hf_batadv_coded_coded_len, tvb, + offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + tap_queue_packet(batadv_tap, pinfo, coded_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_elp(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_ELP"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 15: + dissect_batadv_elp_v15(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", + version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_elp_v15(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + struct elp_packet_v15 *elp_packeth; + proto_tree *batadv_elp_tree; + proto_item *ti; + + tvbuff_t *next_tvb; + gint length_remaining; + int offset = 0; + + elp_packeth = wmem_new(pinfo->pool, struct elp_packet_v15); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, + tvb, 0, + ELP_PACKET_V15_SIZE, + "B.A.T.M.A.N. ELP"); + batadv_elp_tree = proto_item_add_subtree(ti, ett_batadv_elp); + + /* items */ + elp_packeth->packet_type = tvb_get_guint8(tvb, offset); + proto_tree_add_uint_format_value(batadv_elp_tree, + hf_batadv_packet_type, + tvb, offset, 1, + elp_packeth->packet_type, + "%s (%u)", "BATADV_ELP", + elp_packeth->packet_type); + offset += 1; + + elp_packeth->version = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_version, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + set_address_tvb(&elp_packeth->orig, AT_ETHER, 6, tvb, offset); + set_address_tvb(&pinfo->dl_src, AT_ETHER, 6, tvb, offset); + set_address_tvb(&pinfo->src, AT_ETHER, 6, tvb, offset); + proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_orig, tvb, + offset, 6, ENC_NA); + offset += 6; + + elp_packeth->seqno = tvb_get_ntohl(tvb, offset); + proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_seqno, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + elp_packeth->interval = tvb_get_ntohl(tvb, offset); + proto_tree_add_item(batadv_elp_tree, hf_batadv_elp_interval, tvb, + offset, 4, ENC_BIG_ENDIAN); + offset += 4; + + tap_queue_packet(batadv_tap, pinfo, elp_packeth); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + if (length_remaining > 0) { + next_tvb = tvb_new_subset_remaining(tvb, offset); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + call_data_dissector(next_tvb, pinfo, tree); + } +} + +static void dissect_batadv_ogm2(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + int offset = 0; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_OGM2"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 15: + while (offset != -1 && + tvb_reported_length_remaining(tvb, offset) >= OGM2_PACKET_V15_SIZE) { + offset = dissect_batadv_ogm2_v15(tvb, offset, pinfo, tree); + } + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static int dissect_batadv_ogm2_v15(tvbuff_t *tvb, int offset, + packet_info *pinfo, proto_tree *tree) +{ + proto_tree *batadv_ogm2_tree; + proto_item *ti, *throughput_item; + guint8 type, version; + struct ogm2_packet_v15 *ogm2_packeth; + tvbuff_t *next_tvb; +#if 0 + /* OGM2 flags field is unused, it is illegal to call + * proto_tree_add_bitmask with an empty list of fields. + */ + static int * const flags[] = { + NULL + }; +#endif + + type = tvb_get_guint8(tvb, offset+0); + version = tvb_get_guint8(tvb, offset+1); + + /* don't interpret padding as B.A.T.M.A.N. advanced packet */ + if (version == 0 || type != BATADV_OGM2_V15) + return -1; + + ogm2_packeth = wmem_new(pinfo->pool, struct ogm2_packet_v15); + + /* Set tree info */ + ogm2_packeth->tvlv_len = tvb_get_ntohs(tvb, 16); + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, + tvb, offset, + OGM2_PACKET_V15_SIZE + ogm2_packeth->tvlv_len, + "B.A.T.M.A.N. OGM2, Orig: %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, offset + 8)); + batadv_ogm2_tree = proto_item_add_subtree(ti, ett_batadv_ogm2); + + /* items */ + ogm2_packeth->packet_type = tvb_get_guint8(tvb, offset); + proto_tree_add_uint_format_value(batadv_ogm2_tree, + hf_batadv_packet_type, + tvb, offset, 1, BATADV_OGM2_V15, + "%s (%u)", "BATADV_OGM2", + BATADV_OGM2_V15); + offset += 1; + + ogm2_packeth->version = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_version, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + ogm2_packeth->ttl = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_ttl, tvb, + offset, 1, ENC_BIG_ENDIAN); + offset += 1; + + ogm2_packeth->flags = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_flags, tvb, + offset, 1, ENC_NA); + offset += 1; + + ogm2_packeth->seqno = tvb_get_ntohl(tvb, offset); + proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_seqno, tvb, + offset, 4, ENC_BIG_ENDIAN); + col_add_fstr(pinfo->cinfo, COL_INFO, "Seq=%u", ogm2_packeth->seqno); + offset += 4; + + set_address_tvb(&ogm2_packeth->orig, AT_ETHER, 6, tvb, offset); + set_address_tvb(&pinfo->dl_src, AT_ETHER, 6, tvb, offset); + set_address_tvb(&pinfo->src, AT_ETHER, 6, tvb, offset); + proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_orig, tvb, + offset, 6, ENC_NA); + offset += 6; + + ogm2_packeth->tvlv_len = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(batadv_ogm2_tree, hf_batadv_ogm2_tvlv_len, tvb, + offset, 2, ENC_BIG_ENDIAN); + offset += 2; + + ogm2_packeth->throughput = tvb_get_ntohl(tvb, offset); + throughput_item = proto_tree_add_item(batadv_ogm2_tree, + hf_batadv_ogm2_throughput, tvb, + offset, 4, ENC_BIG_ENDIAN); + proto_item_set_text(throughput_item, "Throughput: %u.%u Mbit/s", + ogm2_packeth->throughput / 10, + ogm2_packeth->throughput % 10); + offset += 4; + + tap_queue_packet(batadv_tap, pinfo, ogm2_packeth); + + if (ogm2_packeth->tvlv_len > 0) { + next_tvb = tvb_new_subset_length(tvb, offset, + ogm2_packeth->tvlv_len); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_batadv_tvlv_v15(next_tvb, pinfo, batadv_ogm2_tree); + offset += ogm2_packeth->tvlv_len; + } + + return offset; +} + +static void dissect_batadv_unicast_tvlv(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 version; + + /* set protocol name */ + col_set_str(pinfo->cinfo, COL_PROTOCOL, "BATADV_UNICAST_TVLV"); + + version = tvb_get_guint8(tvb, 1); + switch (version) { + case 15: + dissect_batadv_unicast_tvlv_v15(tvb, pinfo, tree); + break; + default: + col_add_fstr(pinfo->cinfo, COL_INFO, "Unsupported Version %d", + version); + call_data_dissector(tvb, pinfo, tree); + break; + } +} + +static void dissect_batadv_unicast_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + struct unicast_tvlv_packet_v15 *unicast_tvlv_packeth; + + tvbuff_t *next_tvb; + int offset = 0; + proto_tree *batadv_unicast_tvlv_tree; + proto_item *ti; + + unicast_tvlv_packeth = wmem_new(pinfo->pool, struct unicast_tvlv_packet_v15); + + /* Set info column */ + col_clear(pinfo->cinfo, COL_INFO); + + /* Set tree info */ + unicast_tvlv_packeth->tvlv_len = tvb_get_ntohs(tvb, 16); + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, + tvb, 0, + UNICAST_TVLV_PACKET_V15_SIZE + unicast_tvlv_packeth->tvlv_len, + "B.A.T.M.A.N. Unicast TVLV, Src: %s Dst: %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 10), + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, 4)); + batadv_unicast_tvlv_tree = proto_item_add_subtree(ti, ett_batadv_unicast_tvlv); + + /* items */ + unicast_tvlv_packeth->packet_type = tvb_get_guint8(tvb, offset); + proto_tree_add_uint_format_value(batadv_unicast_tvlv_tree, + hf_batadv_packet_type, tvb, offset, 1, + unicast_tvlv_packeth->packet_type, + "%s (%u)", "BATADV_UNICAST_TVLV", + unicast_tvlv_packeth->packet_type); + offset += 1; + + unicast_tvlv_packeth->version = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_unicast_tvlv_tree, + hf_batadv_unicast_tvlv_version, tvb, offset, 1, + ENC_BIG_ENDIAN); + offset += 1; + + unicast_tvlv_packeth->ttl = tvb_get_guint8(tvb, offset); + proto_tree_add_item(batadv_unicast_tvlv_tree, + hf_batadv_unicast_tvlv_ttl, tvb, offset, 1, + ENC_BIG_ENDIAN); + offset += 1; + + /* Skip 1 byte of padding. */ + offset += 1; + + set_address_tvb(&unicast_tvlv_packeth->dest, AT_ETHER, 6, tvb, offset); + copy_address_shallow(&pinfo->dl_dst, &unicast_tvlv_packeth->dest); + copy_address_shallow(&pinfo->dst, &unicast_tvlv_packeth->dest); + proto_tree_add_item(batadv_unicast_tvlv_tree, hf_batadv_unicast_tvlv_dst, + tvb, offset, 6, ENC_NA); + offset += 6; + + set_address_tvb(&unicast_tvlv_packeth->src, AT_ETHER, 6, tvb, offset); + copy_address_shallow(&pinfo->dl_src, &unicast_tvlv_packeth->src); + copy_address_shallow(&pinfo->src, &unicast_tvlv_packeth->src); + proto_tree_add_item(batadv_unicast_tvlv_tree, hf_batadv_unicast_tvlv_src, + tvb, offset, 6, ENC_NA); + offset += 6; + + unicast_tvlv_packeth->tvlv_len = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(batadv_unicast_tvlv_tree, + hf_batadv_unicast_tvlv_len, tvb, offset, 2, + ENC_BIG_ENDIAN); + offset += 2; + + /* Skip 2 byte of padding. */ + offset += 2; + + tap_queue_packet(batadv_tap, pinfo, unicast_tvlv_packeth); + + if (unicast_tvlv_packeth->tvlv_len > 0) { + next_tvb = tvb_new_subset_length(tvb, offset, + unicast_tvlv_packeth->tvlv_len); + + if (have_tap_listener(batadv_follow_tap)) { + tap_queue_packet(batadv_follow_tap, pinfo, next_tvb); + } + + dissect_batadv_tvlv_v15(next_tvb, pinfo, + batadv_unicast_tvlv_tree); + /*offset += unicast_tvlv_packeth->tvlv_len;*/ + } +} + +static void dissect_batadv_tvlv_v15(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree) +{ + guint8 type, version; + guint16 length; + int offset = 0; + tvbuff_t *next_tvb; + proto_tree *batadv_tvlv_tree; + proto_item *ti; + + while (offset != -1 && tvb_reported_length_remaining(tvb, offset) >= 4) { + + type = tvb_get_guint8(tvb, offset + 0); + version = tvb_get_guint8(tvb, offset + 1); + length = tvb_get_ntohs(tvb, offset + 2) + 4; + next_tvb = tvb_new_subset_length(tvb, offset, length); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, + proto_batadv_plugin, + next_tvb, 0, length, + "TVLV, %s", + val_to_str(type, + tvlv_v15_typenames, + "Unknown (0x%02x)")); + batadv_tvlv_tree = proto_item_add_subtree(ti, ett_batadv_tvlv); + + dissect_batadv_tvlv_v15_header(next_tvb, pinfo, + batadv_tvlv_tree, type); + + switch (type) { + case BATADV_TVLV_V15_GW: + dissect_batadv_tvlv_v15_gw(next_tvb, pinfo, + batadv_tvlv_tree, 4, + version); + break; + case BATADV_TVLV_V15_DAT: + dissect_batadv_tvlv_v15_dat(next_tvb, pinfo, + batadv_tvlv_tree, 4, + version); + break; + case BATADV_TVLV_V15_NC: + dissect_batadv_tvlv_v15_nc(next_tvb, pinfo, + batadv_tvlv_tree, 4, + version); + break; + case BATADV_TVLV_V15_TT: + dissect_batadv_tvlv_v15_tt(next_tvb, pinfo, + batadv_tvlv_tree, 4, + version); + break; + case BATADV_TVLV_V15_ROAM: + dissect_batadv_tvlv_v15_roam(next_tvb, pinfo, + batadv_tvlv_tree, 4, + version); + break; + case BATADV_TVLV_V15_MCAST: + dissect_batadv_tvlv_v15_mcast(next_tvb, pinfo, + batadv_tvlv_tree, 4, + version); + break; + default: + call_data_dissector(next_tvb, pinfo, + batadv_tvlv_tree); + break; + } + offset += length; + } +} + +static void dissect_batadv_tvlv_v15_header(tvbuff_t *tvb, + packet_info *pinfo _U_, + proto_tree *tree, guint8 type) +{ + int offset = 0; + + /* items */ + proto_tree_add_uint_format_value(tree, hf_batadv_tvlv_type, tvb, offset, + 1, type, "%s", + val_to_str(type, tvlv_v15_typenames, + "Unknown (0x%02x)")); + offset += 1; + + proto_tree_add_item(tree, hf_batadv_tvlv_version, tvb, offset, 1, + ENC_BIG_ENDIAN); + offset += 1; + + proto_tree_add_item(tree, hf_batadv_tvlv_len, tvb, offset, 2, + ENC_BIG_ENDIAN); +} + +static void dissect_batadv_tvlv_v15_dat(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree, int offset, + guint8 version) +{ + if (version != 0x01) { + proto_tree_add_expert_format( + tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, + offset, 0, "Unknown version (0x%02x)", version); + return; + } +} + +static void dissect_batadv_tvlv_v15_nc(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree, int offset, + guint8 version) +{ + if (version != 0x01) { + proto_tree_add_expert_format( + tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, + offset, 0, "Unknown version (0x%02x)", version); + return; + } +} + +static void dissect_batadv_tvlv_v15_mcast(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree, int offset, + guint8 version) +{ + static int * const flags[] = { + &hf_batadv_tvlv_mcast_flags_unsnoopables, + &hf_batadv_tvlv_mcast_flags_ipv4, + &hf_batadv_tvlv_mcast_flags_ipv6, + &hf_batadv_tvlv_mcast_flags_no_rtr4, + &hf_batadv_tvlv_mcast_flags_no_rtr6, + NULL + }; + + if (version != 0x01 && version != 0x02) { + proto_tree_add_expert_format( + tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, + offset, 0, "Unknown version (0x%02x)", version); + return; + } + + proto_tree_add_bitmask(tree, tvb, offset, hf_batadv_tvlv_mcast_flags, + ett_batadv_tvlv_mcast_flags, flags, ENC_NA); + + /* 3 byte of padding. */ +} + +static void dissect_batadv_tvlv_v15_gw(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree, int offset, + guint8 version) +{ + guint32 down, up; + + if (version != 0x01) { + proto_tree_add_expert_format( + tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, + offset, 0, "Unknown version (0x%02x)", version); + return; + } + + down = tvb_get_ntohl(tvb, offset); + proto_tree_add_uint_format_value(tree, hf_batadv_tvlv_gw_download, + tvb, offset, 4, down, "%u.%uMbit", + down / 10, down % 10); + offset += 4; + + up = tvb_get_ntohl(tvb, offset); + proto_tree_add_uint_format_value(tree, hf_batadv_tvlv_gw_upload, tvb, + offset, 4, up, "%u.%uMbit", + up / 10, up % 10); +} + +static void dissect_batadv_tvlv_v15_roam(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree, int offset, + guint8 version) +{ + static int * const flags[] = { + &hf_batadv_tvlv_vid_vlan, + &hf_batadv_tvlv_vid_tagged, + NULL + }; + + if (version != 0x01) { + proto_tree_add_expert_format( + tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, + offset, 0, "Unknown version (0x%02x)", version); + return; + } + + proto_tree_add_item(tree, hf_batadv_tvlv_roam_addr, tvb, offset, 6, + ENC_NA); + offset += 6; + + proto_tree_add_bitmask(tree, tvb, offset, hf_batadv_tvlv_roam_vid, + ett_batadv_tvlv_vid, flags, ENC_NA); +} + +static void dissect_batadv_tvlv_v15_tt(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree, int offset, + guint8 version) +{ + guint16 num_vlan; + int i; + gint length_remaining; + static int * const flags[] = { + &hf_batadv_tvlv_tt_flags_type, + &hf_batadv_tvlv_tt_flags_full_table, + NULL + }; + guint8 tt_flags; + int changes_offset; + + tt_flags = tvb_get_guint8(tvb, offset); + + if (version != 0x01) { + proto_tree_add_expert_format( + tree, pinfo, &ei_batadv_tvlv_unknown_version, tvb, + offset, 0, "Unknown version (0x%02x)", version); + return; + } + + proto_tree_add_bitmask(tree, tvb, offset, hf_batadv_tvlv_tt_flags, + ett_batadv_tvlv_tt_flags, flags, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_batadv_tvlv_tt_ttvn, tvb, offset, 1, + ENC_BIG_ENDIAN); + offset += 1; + + num_vlan = tvb_get_ntohs(tvb, offset); + proto_tree_add_item(tree, hf_batadv_tvlv_tt_num_vlan, tvb, offset, 2, + ENC_BIG_ENDIAN); + offset += 2; + + changes_offset = offset + num_vlan * TLVLV_TT_VLAN_V15_SIZE; + + for (i = 0; i < num_vlan; i++) + offset = dissect_batadv_tvlv_v15_tt_vlan(tvb, pinfo, tree, + offset, tt_flags, + changes_offset); + + length_remaining = tvb_reported_length_remaining(tvb, offset); + while (length_remaining > 0) { + offset = dissect_batadv_tvlv_v15_tt_change(tvb, pinfo, tree, + offset); + length_remaining = tvb_reported_length_remaining(tvb, offset); + } +} + +static void dissect_batadv_tvlv_v15_tt_vlan_checksum(tvbuff_t *tvb, + proto_item *ti, + packet_info *pinfo, + proto_tree *tree, + guint16 vlan_id, + int crc_offset, + guint8 tt_flags, + int offset) +{ + const guint8 *buf; + guint32 crc32; + guint32 crc = 0; + gint length_remaining; + guint16 vid; + unsigned int num_entries = 0; + guint8 full_response = (BATADV_TVLVL_TT_RESPONSE | BATADV_TVLVL_TT_FULL_TABLE); + + /* checksum checks are not possible with non full responses */ + if (tt_flags != full_response) { + proto_tree_add_item(tree, hf_batadv_tvlv_tt_vlan_crc, tvb, + crc_offset, 4, ENC_BIG_ENDIAN); + return; + } + + length_remaining = tvb_reported_length_remaining(tvb, offset); + while (length_remaining >= TLVLV_TT_CHANGE_V15_SIZE) { + + vid = tvb_get_ntohs(tvb, offset + 10); + if (vid != vlan_id) + goto skip; + + buf = tvb_get_ptr(tvb, offset, TLVLV_TT_CHANGE_V15_SIZE); + if (!buf) + goto skip; + + num_entries++; + + /* checksum over vid, flags, address */ + crc32 = 0; + crc32 = crc32c_calculate_no_swap(&buf[10], 2, crc32); + crc32 = crc32c_calculate_no_swap(buf, 1, crc32); + crc32 = crc32c_calculate_no_swap(&buf[4], 6, crc32); + crc ^= crc32; + +skip: + offset += TLVLV_TT_CHANGE_V15_SIZE; + length_remaining = tvb_reported_length_remaining(tvb, offset); + } + + proto_tree_add_checksum(tree, tvb, crc_offset, + hf_batadv_tvlv_tt_vlan_crc, + hf_batadv_tvlv_tt_vlan_crc_status, + &ei_batadv_tvlv_tt_vlan_crc, pinfo, crc, + ENC_BIG_ENDIAN, PROTO_CHECKSUM_VERIFY); + + if (num_entries == 0) + expert_add_info(pinfo, ti, &ei_batadv_tvlv_tt_vlan_empty); +} + +static int dissect_batadv_tvlv_v15_tt_vlan(tvbuff_t *tvb, + packet_info *pinfo, + proto_tree *tree, int offset, + guint8 tt_flags, + int changes_offset) +{ + proto_tree *vlan_tree = NULL; + guint16 vid; + proto_item *ti = NULL; + static int * const flags[] = { + &hf_batadv_tvlv_vid_vlan, + &hf_batadv_tvlv_vid_tagged, + NULL + }; + + vid = tvb_get_ntohs(tvb, offset + 4); + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, + tvb, offset, 8, + "VLAN, %04x", vid); + vlan_tree = proto_item_add_subtree(ti, ett_batadv_tvlv_tt_vlan); + + dissect_batadv_tvlv_v15_tt_vlan_checksum(tvb, ti, pinfo, vlan_tree, vid, + offset, tt_flags, + changes_offset); + offset += 4; + + proto_tree_add_bitmask(vlan_tree, tvb, offset, + hf_batadv_tvlv_tt_vlan_vid, + ett_batadv_tvlv_vid, flags, ENC_NA); + offset += 2; + + /* Skip 2 byte of padding. */ + offset += 2; + + return offset; +} + +static int dissect_batadv_tvlv_v15_tt_change(tvbuff_t *tvb, + packet_info *pinfo _U_, + proto_tree *tree, int offset) +{ + proto_tree *change_tree; + proto_item *ti; + static int * const flags[] = { + &hf_batadv_tvlv_tt_change_flags_del, + &hf_batadv_tvlv_tt_change_flags_roam, + &hf_batadv_tvlv_tt_change_flags_wifi, + &hf_batadv_tvlv_tt_change_flags_isolate, + NULL + }; + static int * const flags_vlan[] = { + &hf_batadv_tvlv_vid_vlan, + &hf_batadv_tvlv_vid_tagged, + NULL + }; + + /* Set tree info */ + ti = proto_tree_add_protocol_format(tree, proto_batadv_plugin, + tvb, offset, 12, + "Entry, %s", + tvb_address_with_resolution_to_str(pinfo->pool, tvb, AT_ETHER, offset + 4)); + change_tree = proto_item_add_subtree(ti, ett_batadv_tvlv_tt_change); + + proto_tree_add_bitmask(change_tree, tvb, offset, + hf_batadv_tvlv_tt_change_flags, + ett_batadv_batman_flags, flags, ENC_NA); + offset += 1; + + /* Skip 3 byte of padding. */ + offset += 3; + + proto_tree_add_item(change_tree, hf_batadv_tvlv_tt_change_addr, tvb, + offset, 6, ENC_NA); + offset += 6; + + proto_tree_add_bitmask(change_tree, tvb, offset, + hf_batadv_tvlv_tt_change_vid, + ett_batadv_tvlv_vid, flags_vlan, ENC_NA); + offset += 2; + + return offset; +} + +void proto_register_batadv(void) +{ + module_t *batadv_module; + expert_module_t* expert_batadv; + + static hf_register_info hf[] = { + { &hf_batadv_packet_type, + { "Packet Type", "batadv.batman.packet_type", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_version, + { "Version", "batadv.batman.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_flags, + { "Flags", "batadv.batman.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_ttl, + { "Time to Live", "batadv.batman.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_gwflags, + { "Gateway Flags", "batadv.batman.gwflags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_gwflags_dl_speed, + { "Download Speed", "batadv.batman.gwflags.dl_speed", + FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &units_kbit, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_gwflags_ul_speed, + { "Upload Speed", "batadv.batman.gwflags.ul_speed", + FT_UINT32, BASE_DEC|BASE_UNIT_STRING, &units_kbit, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_tq, + { "Transmission Quality", "batadv.batman.tq", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_seqno, + { "Sequence number", "batadv.batman.seq", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_seqno32, + { "Sequence number", "batadv.batman.seq", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_orig, + { "Originator", "batadv.batman.orig", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_prev_sender, + { "Received from", "batadv.batman.prev_sender", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_num_tt, + { "Number of TTs", "batadv.batman.num_tt", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_tt_num_changes, + { "Number of TT Changes", "batadv.batman.tt_num_changes", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_ttvn, + { "TT Version", "batadv.batman.ttvn", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_tt_crc, + { "CRC of TT", "batadv.batman.tt_crc", + FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_flags_directlink, + { "DirectLink", "batadv.batman.flags.directlink", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x40, + NULL, HFILL } + }, + { &hf_batadv_batman_flags_vis_server, + { "VIS_SERVER", "batadv.batman.flags.vis_server", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x20, + NULL, HFILL } + }, + { &hf_batadv_batman_flags_primaries_first_hop, + { "PRIMARIES_FIRST_HOP", "batadv.batman.flags.primaries_first_hop", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_batadv_batman_flags_not_best_next_hop, + { "NOT_BEST_NEXT_HOP", "batadv.batman.flags.not_best_next_hop", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x8, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_version, + { "Version", "batadv.iv_ogm.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_ttl, + { "Time to Live", "batadv.iv_ogm.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_flags, + { "Flags", "batadv.iv_ogm.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_seqno, + { "Sequence number", "batadv.iv_ogm.seq", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_orig, + { "Originator", "batadv.iv_ogm.orig", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_prev_sender, + { "Received from", "batadv.iv_ogm.prev_sender", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_tq, + { "Transmission Quality", "batadv.iv_ogm.tq", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_tvlv_len, + { "Length of TVLV", "batadv.iv_ogm.tvlv_len", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_flags_not_best_next_hop, + { "NOT_BEST_NEXT_HOP", "batadv.iv_ogm.flags.not_best_next_hop", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x1, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_flags_primaries_first_hop, + { "PRIMARIES_FIRST_HOP", "batadv.iv_ogm.flags.primaries_first_hop", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x2, + NULL, HFILL } + }, + { &hf_batadv_iv_ogm_flags_directlink, + { "DirectLink", "batadv.iv_ogm.flags.directlink", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x4, + NULL, HFILL } + }, + { &hf_batadv_ogm2_version, + { "Version", "batadv.ogm2.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_ogm2_ttl, + { "Time to Live", "batadv.ogm2.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_ogm2_flags, + { "Flags", "batadv.ogm2.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + "Unused", HFILL } + }, + { &hf_batadv_ogm2_seqno, + { "Sequence number", "batadv.ogm2.seq", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_ogm2_orig, + { "Originator", "batadv.ogm2.orig", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_ogm2_tvlv_len, + { "Length of TVLV", "batadv.ogm2.tvlv_len", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_ogm2_throughput, + { "Throughput", "batadv.ogm2.throughput", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_batman_tt, + { "Translation Table", "batadv.batman.tt", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_elp_version, + { "Version", "batadv.elp.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_elp_orig, + { "Originator", "batadv.elp.orig", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_elp_seqno, + { "Sequence number", "batadv.elp.seq", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_elp_interval, + { "ELP Interval", "batadv.elp.interval", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_bcast_version, + { "Version", "batadv.bcast.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_bcast_orig, + { "Originator", "batadv.bcast.orig", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_bcast_seqno, + { "Sequence number", "batadv.bcast.seq", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_bcast_seqno32, + { "Sequence number", "batadv.bcast.seq", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_bcast_ttl, + { "Time to Live", "batadv.bcast.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_icmp_version, + { "Version", "batadv.icmp.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_icmp_msg_type, + { "Message Type", "batadv.icmp.msg_type", + FT_UINT8, BASE_DEC, VALS(icmp_packettypenames), 0x0, + NULL, HFILL } + }, + { &hf_batadv_icmp_dst, + { "Destination", "batadv.icmp.dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_icmp_orig, + { "Originator", "batadv.icmp.orig", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_icmp_ttl, + { "Time to Live", "batadv.icmp.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_icmp_uid, + { "UID", "batadv.icmp.uid", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_icmp_seqno, + { "Sequence number", "batadv.icmp.seq", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_icmp_rr_pointer, + { "Pointer", "batadv.icmp.rr_pointer", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_icmp_rr_ether, + { "RR MAC", "batadv.icmp.rr_ether", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_icmp_tp_subtype, + { "Subtype", "batadv.icmp.tp.subtype", + FT_UINT8, BASE_DEC, VALS(icmp_tp_packettypenames), 0x0, + NULL, HFILL} + }, + { &hf_batadv_icmp_tp_session, + { "Session", "batadv.icmp.tp.session", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_icmp_tp_seqno, + { "Sequence number", "batadv.icmp.tp.seqno", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_icmp_tp_timestamp, + { "Timestamp", "batadv.icmp.tp.timestamp", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_unicast_version, + { "Version", "batadv.unicast.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_dst, + { "Destination", "batadv.unicast.dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_ttl, + { "Time to Live", "batadv.unicast.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_ttvn, + { "TT Version", "batadv.unicast.ttvn", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_4addr_version, + { "Version", "batadv.unicast_4addr.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_4addr_dst, + { "Destination", "batadv.unicast_4addr.dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_4addr_ttl, + { "Time to Live", "batadv.unicast_4addr.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_4addr_ttvn, + { "TT Version", "batadv.unicast_4addr.ttvn", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_4addr_src, + { "Source", "batadv.unicast_4addr.src", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_4addr_subtype, + { "Subtype", "batadv.unicast_4addr.subtype", + FT_UINT8, BASE_DEC, VALS (unicast_4addr_typenames), 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_version, + { "Version", "batadv.unicast_frag.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_dst, + { "Destination", "batadv.unicast_frag.dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_ttl, + { "Time to Live", "batadv.unicast_frag.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_ttvn, + { "TT Version", "batadv.unicast_frag.ttvn", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_flags, + { "Flags", "batadv.unicast_frag.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_flags_head, + { "Head", "batadv.unicast_frag.flags.head", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x01, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_flags_largetail, + { "Largetail", "batadv.unicast_frag.flags.largetail", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x02, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_orig, + { "Originator", "batadv.unicast_frag.orig", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_seqno, + { "Sequence number", "batadv.unicast_frag.seq", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_no, + { "Fragment number", "batadv.unicast_frag.no", + FT_UINT8, BASE_DEC, NULL, 0xF0, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_priority, + { "Priority", "batadv.unicast_frag.priority", + FT_UINT8, BASE_DEC, NULL, 0xE, + NULL, HFILL } + }, + { &hf_batadv_unicast_frag_total_size, + { "Complete Size", "batadv.unicast_frag.total_size", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_tvlv_version, + { "Version", "batadv.unicast_tvlv.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_tvlv_ttl, + { "Time to Live", "batadv.unicast_tvlv.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_tvlv_dst, + { "Destination", "batadv.unicast_tvlv.dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_tvlv_src, + { "Source", "batadv.unicast_tvlv.src", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_unicast_tvlv_len, + { "Length of TVLV", "batadv.unicast_tvlv.len", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_vis_version, + { "Version", "batadv.vis.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_vis_type, + { "Type", "batadv.vis.type", + FT_UINT8, BASE_DEC, VALS(vis_packettypenames), 0x0, + NULL, HFILL } + }, + { &hf_batadv_vis_seqno, + { "Sequence number", "batadv.vis.seq", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_vis_seqno32, + { "Sequence number", "batadv.vis.seq", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_vis_entries, + { "Entries", "batadv.vis.entries", + FT_UINT8, BASE_DEC, NULL, 0x0, + "Number of entries", HFILL} + }, + { &hf_batadv_vis_ttl, + { "Time to Live", "batadv.vis.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_vis_vis_orig, + { "Originator", "batadv.vis.vis_orig", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_vis_target_orig, + { "Target Originator", "batadv.vis.target_orig", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_vis_sender_orig, + { "Forwarding Originator", "batadv.vis.sender_orig", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_vis_entry_src, + { "Source", "batadv.vis.src", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_vis_entry_dst, + { "Destination", "batadv.vis.dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_vis_entry_quality, + { "Quality", "batadv.vis.quality", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tt_query_version, + { "Version", "batadv.tt_query.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tt_query_ttl, + { "Time to Live", "batadv.tt_query.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_tt_query_flags, + { "Flags", "batadv.tt_query.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tt_query_flags_type, + { "Query Type", "batadv.tt_query.flags.type", + FT_UINT8, BASE_HEX, VALS (tt_query_type_v14), TT_TYPE_MASK, + NULL, HFILL } + }, + { &hf_batadv_tt_query_flags_full_table, + { "Full Table", "batadv.tt_query.flags.full_table", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), TT_FULL_TABLE, + NULL, HFILL } + }, + { &hf_batadv_tt_query_dst, + { "Destination", "batadv.tt_query.dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tt_query_src, + { "Source", "batadv.tt_query.src", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tt_query_ttvn, + { "TT Version", "batadv.tt_query.ttvn", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tt_query_tt_crc, + { "CRC of TT", "batadv.tt_query.tt_crc", + FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tt_query_entries, + { "Entries", "batadv.tt_query.entries", + FT_UINT16, BASE_DEC, NULL, 0x0, + "Number of entries", HFILL } + }, + { &hf_batadv_roam_adv_version, + { "Version", "batadv.roam_adv.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_roam_adv_ttl, + { "Time to Live", "batadv.roam_adv.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_roam_adv_src, + { "Source", "batadv.roam_adv.src", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_roam_adv_dst, + { "Destination", "batadv.roam_adv.dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_roam_adv_client, + { "Client", "batadv.roam_adv.client", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_coded_version, + { "Version", "batadv.coded.version", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_coded_ttl, + { "Time to Live", "batadv.coded.ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_coded_first_ttvn, + { "TT Version (First)", "batadv.coded.first_ttvn", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_coded_first_source, + { "Source (First)", "batadv.coded.first_src", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_coded_first_orig_dest, + { "Original Destination (First)", "batadv.coded.first_orig_dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_coded_first_crc, + { "CRC (First)", "batadv.coded.first_crc", + FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_coded_second_ttl, + { "Time to Live (Second)", "batadv.coded.second_ttl", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_coded_second_ttvn, + { "TT Version (Second)", "batadv.coded.second_ttvn", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + { &hf_batadv_coded_second_dest, + { "Destination (Second)", "batadv.coded.second_dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_coded_second_source, + { "Source (Second)", "batadv.coded.second_src", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_coded_second_orig_dest, + { "Original Destination (Second)", "batadv.coded.second_orig_dst", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_coded_second_crc, + { "CRC (Second)", "batadv.coded.second_crc", + FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_coded_coded_len, + { "Length", "batadv.coded.length", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_msg_fragments, + {"Message fragments", "batadv.unicast_frag.fragments", + FT_NONE, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_batadv_tt_entry, + { "Entry", "batadv.tt_entry.entry", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tt_entry_flags, + { "Flags", "batadv.tt_entry.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tt_entry_flags_change_del, + { "Delete", "batadv.tt_entry.flags.change_del", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), TT_CHANGE_DEL, + NULL, HFILL } + }, + { &hf_batadv_tt_entry_flags_client_roam, + { "Client Roam", "batadv.tt_entry.flags.client_roam", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), TT_CLIENT_ROAM, + NULL, HFILL } + }, + { &hf_msg_fragment, + {"Message fragment", "batadv.unicast_frag.fragment", + FT_FRAMENUM, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_msg_fragment_overlap, + {"Message fragment overlap", "batadv.unicast_frag.fragment.overlap", + FT_BOOLEAN, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_msg_fragment_overlap_conflicts, + {"Message fragment overlapping with conflicting data", + "batadv.unicast_frag.fragment.overlap.conflicts", + FT_BOOLEAN, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_msg_fragment_multiple_tails, + {"Message has multiple tail fragments", + "batadv.unicast_frag.fragment.multiple_tails", + FT_BOOLEAN, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_msg_fragment_too_long_fragment, + {"Message fragment too long", "batadv.unicast_frag.fragment.too_long_fragment", + FT_BOOLEAN, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_msg_fragment_error, + {"Message defragmentation error", "batadv.unicast_frag.fragment.error", + FT_FRAMENUM, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_msg_fragment_count, + {"Message fragment count", "batadv.unicast_frag.fragment.count", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_msg_reassembled_in, + {"Reassembled in", "batadv.msg.reassembled.in", + FT_FRAMENUM, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_msg_reassembled_length, + {"Reassembled length", "batadv.msg.reassembled.length", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_batadv_tvlv_type, + { "Type", "batadv.tvlv.length", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_version, + { "Version", "batadv.tvlv.version", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_len, + { "Length", "batadv.tvlv.len", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_mcast_flags, + { "Flags", "batadv.tvlv.mcast.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_mcast_flags_unsnoopables, + { "Unsnoopables", "batadv.tvlv.mcast.flags.unsnoopables", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x1, + NULL, HFILL } + }, + { &hf_batadv_tvlv_mcast_flags_ipv4, + { "IPv4", "batadv.tvlv.mcast.flags.ipv4", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x2, + NULL, HFILL } + }, + { &hf_batadv_tvlv_mcast_flags_ipv6, + { "IPv6", "batadv.tvlv.mcast.flags.ipv6", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x4, + NULL, HFILL } + }, + { &hf_batadv_tvlv_mcast_flags_no_rtr4, + { "No IPv4 multicast router", "batadv.tvlv.mcast.flags.no_rtr4", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x8, + NULL, HFILL } + }, + { &hf_batadv_tvlv_mcast_flags_no_rtr6, + { "No IPv6 multicast router", "batadv.tvlv.mcast.flags.no_rtr6", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), 0x10, + NULL, HFILL } + }, + { &hf_batadv_tvlv_gw_download, + { "Download Speed", "batadv.tvlv.gw.dl_speed", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_gw_upload, + { "Upload Speed", "batadv.tvlv.gw.ul_speed", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_roam_addr, + { "Address", "batadv.batman.addr", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_roam_vid, + { "VID", "batadv.tvlv.roam.vid", + FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_vid_vlan, + { "VLAN ID", "batadv.tvlv.vid_vlan", + FT_UINT16, BASE_DEC, NULL, 0x7fff, + NULL, HFILL } + }, + { &hf_batadv_tvlv_vid_tagged, + { "VLAN Tagged", "batadv.tvlv.vid_tagged", + FT_UINT16, BASE_DEC, NULL, 0x8000, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_flags, + { "Flags", "batadv.tvlv.tt.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_flags_type, + { "Query Type", "batadv.tvlv.tt.flags.type", + FT_UINT8, BASE_HEX, VALS(tvlv_tt_typenames), + BATADV_TVLVL_TT_TYPE_MASK, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_flags_full_table, + { "Full Table", "batadv.tvlv.tt.flags.full_table", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), + BATADV_TVLVL_TT_FULL_TABLE, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_ttvn, + { "TT Version", "batadv.tvlv.tt.ttvn", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_num_vlan, + { "VLAN Entries", "batadv.tvlv.tt.num_vlan", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_vlan_crc, + { "CRC", "batadv.tvlv.tt.vlan.crc", + FT_UINT32, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_vlan_crc_status, + { "Checksum Status", "batadv.tvlv.tt.vlan.crc.status", + FT_UINT8, BASE_NONE, VALS(proto_checksum_vals), 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_vlan_vid, + { "VID", "batadv.tvlv.tt.vlan.vid", + FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_change_flags, + { "Flags", "batadv.tvlv.tt.change.flags", + FT_UINT8, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_change_flags_del, + { "Delete", "batadv.tvlv.tt.change.flags.del", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), + BATADV_TVLVL_TT_CHANGE_DEL, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_change_flags_roam, + { "Client Roam", "batadv.tvlv.tt.change.flags.roam", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), + BATADV_TVLVL_TT_CHANGE_ROAM, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_change_flags_wifi, + { "Wifi Client", "batadv.tvlv.tt.change.flags.wifi", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), + BATADV_TVLVL_TT_CHANGE_WIFI, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_change_flags_isolate, + { "Isolate", "batadv.tvlv.tt.change.flags.isolate", + FT_BOOLEAN, 8, TFS(&tfs_set_notset), + BATADV_TVLVL_TT_CHANGE_ISOLATE, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_change_addr, + { "Address", "batadv.tvlv.tt.change.addr", + FT_ETHER, BASE_NONE, NULL, 0x0, + NULL, HFILL } + }, + { &hf_batadv_tvlv_tt_change_vid, + { "VID", "batadv.tvlv.tt.change.vid", + FT_UINT16, BASE_HEX, NULL, 0x0, + NULL, HFILL } + }, + }; + + /* Setup protocol subtree array */ + static gint *ett[] = { + &ett_batadv_batman, + &ett_batadv_batman_flags, + &ett_batadv_batman_tt, + &ett_batadv_batman_gwflags, + &ett_batadv_iv_ogm, + &ett_batadv_iv_ogm_flags, + &ett_batadv_elp, + &ett_batadv_ogm2, + //&ett_batadv_ogm2_flags, + &ett_batadv_bcast, + &ett_batadv_icmp, + &ett_batadv_icmp_rr, + &ett_batadv_unicast, + &ett_batadv_unicast_4addr, + &ett_batadv_unicast_frag, + &ett_batadv_unicast_tvlv, + &ett_batadv_vis, + &ett_batadv_vis_entry, + &ett_batadv_tt_query, + &ett_batadv_tt_query_flags, + &ett_batadv_tt_entry, + &ett_batadv_tt_entry_flags, + &ett_batadv_roam_adv, + &ett_batadv_coded, + &ett_batadv_tvlv, + &ett_batadv_tvlv_vid, + &ett_batadv_tvlv_mcast_flags, + &ett_batadv_tvlv_tt_flags, + &ett_batadv_tvlv_tt_vlan, + &ett_batadv_tvlv_tt_change, + &ett_msg_fragment, + &ett_msg_fragments + }; + + static ei_register_info ei[] = { + { &ei_batadv_tvlv_unknown_version, { "batadv.error.tvlv_version_unknown", PI_UNDECODED, PI_ERROR, "BATADV Error: unknown TVLV version", EXPFILL }}, + { &ei_batadv_tvlv_tt_vlan_crc, { "batadv.tvlv_tt_crc_bad", PI_UNDECODED, PI_ERROR, "BATADV Error: bad TT VLAN crc", EXPFILL }}, + { &ei_batadv_tvlv_tt_vlan_empty, { "batadv.tvlv_tt_vlan_empty", PI_SEQUENCE, PI_WARN, "BATADV Warn: empty VLAN", EXPFILL }}, + }; + + proto_batadv_plugin = proto_register_protocol("B.A.T.M.A.N. Advanced Protocol", "BATADV", "batadv"); + + batman_handle = register_dissector("batadv",dissect_batadv_plugin,proto_batadv_plugin); + + batadv_module = prefs_register_protocol(proto_batadv_plugin, + proto_reg_handoff_batadv); + + prefs_register_uint_preference(batadv_module, "batmanadv.ethertype", + "Ethertype", + "Ethertype used to indicate B.A.T.M.A.N. packet.", + 16, &batadv_ethertype); + + proto_register_subtree_array(ett, array_length(ett)); + proto_register_field_array(proto_batadv_plugin, hf, array_length(hf)); + + expert_batadv = expert_register_protocol(proto_batadv_plugin); + expert_register_field_array(expert_batadv, ei, array_length(ei)); + + reassembly_table_register(&msg_reassembly_table, + &addresses_reassembly_table_functions); +} + +void proto_reg_handoff_batadv(void) +{ + static gboolean inited = FALSE; + static unsigned int old_batadv_ethertype; + + if (!inited) { + eth_handle = find_dissector_add_dependency("eth_withoutfcs", proto_batadv_plugin); + + batadv_tap = register_tap("batman"); + batadv_follow_tap = register_tap("batman_follow"); + + inited = TRUE; + } else { + dissector_delete_uint("ethertype", old_batadv_ethertype, batman_handle); + } + + old_batadv_ethertype = batadv_ethertype; + dissector_add_uint("ethertype", batadv_ethertype, batman_handle); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 8 + * tab-width: 8 + * indent-tabs-mode: t + * End: + * + * vi: set shiftwidth=8 tabstop=8 noexpandtab: + * :indentSize=8:tabSize=8:noTabs=false: + */ |