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https://github.com/qca/qca-swiss-army-knife.git
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qca-swiss-army-knife: add ath6kl trace-cmd plugin
Just a skeleton for now. [mcgrof: removed trailing white space on empty lines] Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com> Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
This commit is contained in:
Kalle Valo
Luis R. Rodriguez
parent
6d32fea2d2
commit
511deeff3a
1 changed files with 251 additions and 0 deletions
251
tracing/plugins/ath6kl.py
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251
tracing/plugins/ath6kl.py
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#
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# Copyright (c) 2012 Qualcomm Atheros, Inc.
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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# To install the plugin:
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#
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# cp ath6kl.py ~/.trace-cmd/plugins/
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#
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# When making changes to the plugin use -V to see all python errors/warnings:
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#
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# trace-cmd report -V trace.dat
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import tracecmd
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import struct
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import binascii
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def hexdump(buf, prefix=None):
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s = binascii.b2a_hex(buf)
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s_len = len(s)
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result = ""
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if prefix == None:
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prefix = ""
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for i in range(s_len / 2):
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if i % 16 == 0:
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result = result + ("%s%04x: " % (prefix, i))
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result = result + (s[2*i] + s[2*i+1] + " ")
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if (i + 1) % 16 == 0:
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result = result + "\n"
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# FIXME: if len(s) % 16 == 0 there's an extra \n in the end
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return result
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def wmi_event_bssinfo(pevent, trace_seq, event, buf):
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hdr = struct.unpack("<HBB6BH", buf[0:12])
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channel = hdr[0]
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frame_type = hdr[1]
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snr = hdr[2]
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bssid = hdr[3]
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ie_mask = hdr[4]
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trace_seq.puts("\t\t\tWMI_BSSINFO_EVENTID channel %d frame_type 0x%x snr %d ie_mask 0x%x\n" %
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(channel, frame_type, snr, ie_mask))
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wmi_event_handlers = [
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[0x1004, wmi_event_bssinfo ],
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]
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def wmi_cmd_set_bss_filter_handler(pevent, trace_seq, event, buf):
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hdr = struct.unpack("<BBHI", buf[0:8])
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bss_filter = hdr[0]
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ie_mask = hdr[3]
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trace_seq.puts("\t\t\tWMI_SET_BSS_FILTER_CMDID bss_filter 0x%x ie_mask 0x%08x\n" %
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(bss_filter, ie_mask))
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def wmi_cmd_set_probed_ssid_handler(pevent, trace_seq, event, buf):
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hdr = struct.unpack("<BBB", buf[0:3])
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entry_index = hdr[0]
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flag = hdr[1]
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ssid_len = hdr[2]
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# fmt = "<" + ssid_len + "s"
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# hdr = struct.unpack(fmt, buf[3:3 + ssid_len])
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trace_seq.puts("\t\t\tWMI_SET_PROBED_SSID_CMDID entry_index 0x%x flag 0x%08x ssid_len %d\n" %
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(entry_index, flag, ssid_len))
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# FIXME: print SSID
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# for c in hdr[0]:
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# print ascii(c)
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wmi_cmd_handlers = [
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[9, wmi_cmd_set_bss_filter_handler ],
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[10, wmi_cmd_set_probed_ssid_handler ],
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]
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WMI_CMD_HDR_IF_ID_MASK = 0xf
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def ath6kl_wmi_cmd_handler(pevent, trace_seq, event):
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buf_len = long(event['buf_len'])
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buf = event['buf'].data
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hdr = struct.unpack("<HHH", buf[0:6])
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cmd_id = hdr[0]
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if_idx = hdr[1] & WMI_CMD_HDR_IF_ID_MASK
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trace_seq.puts("id 0x%x len %d if_idx %d\n" % (cmd_id, buf_len, if_idx))
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for (wmi_id, handler) in wmi_cmd_handlers:
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if wmi_id == cmd_id:
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handler(pevent, trace_seq, event, buf[6:])
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break
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def ath6kl_wmi_event_handler(pevent, trace_seq, event):
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buf_len = long(event['buf_len'])
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buf = event['buf'].data
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hdr = struct.unpack("<HHH", buf[0:6])
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cmd_id = hdr[0]
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if_idx = hdr[1] & WMI_CMD_HDR_IF_ID_MASK
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trace_seq.puts("id 0x%x len %d if_idx %d\n" % (cmd_id, buf_len, if_idx))
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for (wmi_id, handler) in wmi_event_handlers:
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if wmi_id == cmd_id:
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handler(pevent, trace_seq, event, buf[6:])
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break
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def ath6kl_htc_tx_handler(pevent, trace_seq, event):
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buf_len = long(event['buf_len'])
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buf = event['buf'].data
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hdr = struct.unpack("<BBHBB", buf[0:6])
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endpoint = hdr[0]
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flags = hdr[1]
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payload_len = hdr[2]
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ctrl0 = hdr[3]
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ctrl1 = hdr[4]
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seqno = ctrl1
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trace_seq.puts("seqno %d endpoint %d payload_len %d flags 0x%x\n" %
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(seqno, endpoint, payload_len, flags))
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if flags != 0:
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trace_seq.puts("\t\t\t\t\t\t")
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if flags & 0x1:
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trace_seq.puts(" NEED_CREDIT_UPDATE")
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if flags & 0x2:
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trace_seq.puts(" SEND_BUNDLE")
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if flags & 0x4:
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trace_seq.puts(" FIXUP_NETBUF")
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if flags != 0:
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trace_seq.puts("\n")
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def ath6kl_htc_rx_handler(pevent, trace_seq, event):
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buf_len = long(event['buf_len'])
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buf = event['buf'].data
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hdr = struct.unpack("<BBHBB", buf[0:6])
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endpoint = hdr[0]
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flags = hdr[1]
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payload_len = hdr[2]
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ctrl0 = hdr[3]
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ctrl1 = hdr[4]
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seqno = ctrl1
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bundle_count = (flags & 0xf0) >> 4
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trace_seq.puts("seqno %d endpoint %d payload_len %d flags 0x%x bundle_count %d\n" %
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(seqno, endpoint, payload_len, flags, bundle_count))
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if (flags & 0xf) != 0:
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trace_seq.puts("\t\t\t\t\t\t")
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if flags & 0x1:
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trace_seq.puts(" UNUSED")
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if flags & 0x2:
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trace_seq.puts(" TRAILER")
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if (flags & 0xf) != 0:
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trace_seq.puts("\n")
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def ath6kl_sdio_handler(pevent, trace_seq, event):
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tx = long(event['tx'])
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addr = event['addr']
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flags = event['flags']
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buf_len = long(event['buf_len'])
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buf = event['buf'].data
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if tx == 1:
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direction = "tx"
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else:
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direction = "rx"
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trace_seq.puts("%s addr 0x%x flags 0x%x buf_len %d\n" %
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(direction, addr, flags, buf_len))
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trace_seq.puts("%s\n" % hexdump(buf))
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def ath6kl_sdio_scat_handler(pevent, trace_seq, event):
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tx = long(event['tx'])
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addr = long(event['addr'])
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flags = long(event['flags'])
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entries = long(event['entries'])
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total_len = long(event['total_len'])
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len_array_data = event['len_array'].data
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data = event['data'].data
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if tx == 1:
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direction = "tx"
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else:
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direction = "rx"
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trace_seq.puts("%s addr 0x%x flags 0x%x entries %d total_len %d\n" %
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(direction, addr, flags, entries, total_len))
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offset = 0
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len_array = struct.unpack("<%dI" % entries, len_array_data[0:8])
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for i in range(entries):
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length = len_array[i]
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start = offset
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end = start + length
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trace_seq.puts("%s\n" % hexdump(data[start:end]))
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offset = offset + length
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def register(pevent):
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pevent.register_event_handler("ath6kl", "ath6kl_wmi_cmd",
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lambda *args:
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ath6kl_wmi_cmd_handler(pevent, *args))
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pevent.register_event_handler("ath6kl", "ath6kl_wmi_event",
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lambda *args:
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ath6kl_wmi_event_handler(pevent, *args))
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pevent.register_event_handler("ath6kl", "ath6kl_htc_tx",
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lambda *args:
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ath6kl_htc_tx_handler(pevent, *args))
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pevent.register_event_handler("ath6kl", "ath6kl_htc_rx",
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lambda *args:
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ath6kl_htc_rx_handler(pevent, *args))
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pevent.register_event_handler("ath6kl", "ath6kl_sdio",
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lambda *args:
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ath6kl_sdio_handler(pevent, *args))
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pevent.register_event_handler("ath6kl", "ath6kl_sdio_scat",
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lambda *args:
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ath6kl_sdio_scat_handler(pevent, *args))
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