diff options
author | Thomas Wiens <th.wiens@gmx.de> | 2019-08-13 22:51:11 +0200 |
---|---|---|
committer | Anders Broman <a.broman58@gmail.com> | 2019-08-24 06:35:56 +0000 |
commit | 8e925238b09b48c773f1d0877ada8c30fc861ce7 (patch) | |
tree | fb20a070d5147570ad25b452df93fb938a6cfeab /epan/dissectors/packet-mbtcp.h | |
parent | 3f22907e8bba5acf44906fe5e56a89a737859e77 (diff) |
Modbus: Unit and Transaction Id for request/response identification
Use Unit and Transaction Identifier to identify the correct request to a
response.
The Transaction Identifier is only available in Modbus TCP.
Bug: 15698
Change-Id: Ic3a279ce200bee9e9274aaec66bd9dc2f1c096b9
Reviewed-on: https://code.wireshark.org/review/34274
Petri-Dish: Anders Broman <a.broman58@gmail.com>
Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Reviewed-by: Michael Mann <mmann78@netscape.net>
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Diffstat (limited to 'epan/dissectors/packet-mbtcp.h')
-rw-r--r-- | epan/dissectors/packet-mbtcp.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/epan/dissectors/packet-mbtcp.h b/epan/dissectors/packet-mbtcp.h index 9c0d814bad..7e2703fa08 100644 --- a/epan/dissectors/packet-mbtcp.h +++ b/epan/dissectors/packet-mbtcp.h @@ -95,11 +95,19 @@ typedef struct { guint32 fnum; guint8 function_code; + guint16 mbtcp_transid; + guint8 unit_id; guint16 base_address; guint16 num_reg; nstime_t req_time; } modbus_request_info_t; +typedef struct { + int packet_type; + guint16 mbtcp_transid; /* Set to zero if not available */ + guint8 unit_id; /* Set to zero if not available */ +} modbus_data_t; + /* List contains request data */ typedef struct { wmem_list_t *modbus_request_frame_data; |