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tracing: fix txctl handling

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txctl log type manipulates pktlog header and log data as well. payload
length should be handled differently for 10.2 and 10.4 based firmware.
Not doing so, will generate invalid pktlog data file.
This commit is contained in:
Rajkumar Manoharan 2016-06-17 23:40:57 +05:30 • committed by Kalle Valo
parent 4b4ce97aa9
commit dfd83b4336
1 changed files with 14 additions and 9 deletions
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23
tracing/plugins/ath10k_pktlog.py
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@ -60,8 +60,10 @@ ATH10K_PKTLOG_FLG_TYPE_UNKNOWN_S = 3
# sizeof(ath10k_pktlog_txctl) = 12 + 4 * 57
ATH10K_PKTLOG_TXCTL_LEN = 240
ATH10K_PKTLOG_MAX_TXCTL_WORDS = 57
# sizeof(ath10k_pktlog_10_4_txctl)2 = 16 + 4 * 153
ATH10K_PKTLOG_10_4_TXCTL_LEN = 628
ATH10K_PKTLOG_10_4_TXCTL_LEN = 624
ATH10K_PKTLOG_10_4_MAX_TXCTL_WORDS = 153
msdu_len_tbl = {}
output_file = None
@ -239,15 +241,13 @@ def pktlog_tx_ctrl(buf, hw_type):
hdr = Ath10kPktlogHdr()
hdr.unpack(buf)
hdr.size = ATH10K_PKTLOG_TXCTL_LEN
num_txctls = ATH10K_PKTLOG_MAX_TXCTL_WORDS
elif hw_type == ATH10K_PKTLOG_HW_QCA99X0 or \
hw_type == ATH10K_PKTLOG_HW_QCA40XX:
hdr = Ath10kPktlog_10_4_Hdr()
hdr.unpack(buf)
# There are times when the length of txctrl payload is less than
# ATH10K_PKTLOG_10_4_TXCTL_LEN. To avoid that, always get the payload
# length from pktlog header passed
hdr.size = hdr.size + hdr.hdr_len
#hdr.size = ATH10K_PKTLOG_10_4_TXCTL_LEN
hdr.size = ATH10K_PKTLOG_10_4_TXCTL_LEN
num_txctls = ATH10K_PKTLOG_10_4_MAX_TXCTL_WORDS
output_write(hdr.pack())
@ -258,9 +258,14 @@ def pktlog_tx_ctrl(buf, hw_type):
tmp = struct.pack('HHHHHH', 0, 0, 0, 0, 0, 0)
output_write(tmp)
# write unsigned int txdesc_ctl[PKTLOG_MAX_TXCTL_WORDS]
# FIXME: check that length is correct
output_write(buf[12:])
txdesc_ctl = hdr.payload[0:]
for i in range(num_txctls):
if len(txdesc_ctl) >= 4:
txctl, = struct.unpack_from('<I', txdesc_ctl)
txdesc_ctl = txdesc_ctl[4:]
else:
txctl = 0
output_write(struct.pack('I', txctl))
def pktlog_tx_msdu_id(buf, hw_type):
global msdu_len_tbl