mirror of https://gerrit.osmocom.org/simtrace2
contrib: more cardem dissection
Change-Id: Ia74d3674f854b390c9745a1cb8d5756bd5d39540
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a755b53768
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23a9771467
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@ -36,9 +36,29 @@ local reserved = ProtoField.uint16("usb_simtrace.reserved", "reserved", base.HE
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local payloadlen = ProtoField.uint16("usb_simtrace.length", "length", base.HEX_DEC)
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local payload = ProtoField.bytes("usb_simtrace.payload", "Data")
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local pb_and_rx = ProtoField.uint32("usb_simtrace.pb_and_rx", "pb_and_rx", base.HEX_DEC, NULL, 0x8)
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local pb_and_tx = ProtoField.uint32("usb_simtrace.pb_and_tx", "pb_and_tx", base.HEX_DEC, NULL, 0x4)
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local final = ProtoField.uint32("usb_simtrace.final", "final", base.HEX_DEC, NULL, 0x2)
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local tpdu_hdr = ProtoField.uint32("usb_simtrace.tpdu_hdr", "tpdu_hdr", base.HEX_DEC, NULL, 0x1)
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local rxtxdatalen = ProtoField.uint16("usb_simtrace.rxtxdatalen", "rx/tx data length", base.HEX_DEC)
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local rxtxdata = ProtoField.bytes("usb_simtrace.rxtxdata", "rx/tx (data)")
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usb_simtrace_protocol.fields = {
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msgtype, seqnr, slotnr, reserved, payloadlen, payload
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msgtype, seqnr, slotnr, reserved, payloadlen, payload, pb_and_rx, pb_and_tx, final, tpdu_hdr, rxtxdatalen, rxtxdata
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}
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function dissect_rxtx(payload_data,pinfo,tree)
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local headerSubtree = tree:add(usb_simtrace_protocol, payload_data, "rx/tx data")
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local len = payload_data(8+4,2):le_uint();
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local cmd32 = payload_data(8+0,4):le_uint();
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headerSubtree:add(pb_and_rx, cmd32)
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headerSubtree:add(pb_and_tx, cmd32)
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headerSubtree:add(final, cmd32)
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headerSubtree:add(tpdu_hdr, cmd32)
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headerSubtree:add(rxtxdatalen, len)
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headerSubtree:add_le(rxtxdata, payload_data(8+6,len))
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end
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function usb_simtrace_protocol.dissector(buffer, pinfo, tree)
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length = buffer:len()
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@ -54,7 +74,12 @@ function usb_simtrace_protocol.dissector(buffer, pinfo, tree)
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subtree:add(slotnr, buffer(3,1))
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subtree:add_le(payloadlen, buffer(6,2))
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pinfo.cols.info = string.format("Cmd 0x%04X : %s", command, control_commands[command])
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subtree:add(payload, buffer(8,length-8))
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local payload_data = buffer(8,length-8)
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if(command == 0x0101 or command == 0x0106) then
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return dissect_rxtx(buffer(),pinfo,subtree)
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else
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subtree:add(payload, payload_data)
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end
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end
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