scottk/wlan-lanforge-scripts
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cisco-power: Allow one chain to be lower in 4x4 config.

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DUT trasmits one chain at lower power at high MCS.
This commit is contained in:
Ben Greear
2020-01-13 06:56:27 -08:00
parent 00fa7d672e
commit fba951013b
1 changed files with 39 additions and 5 deletions
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44
lf_cisco_power.py
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@@ -61,6 +61,9 @@ full_outfile = "full_cisco_power_results.txt"
outfile_xlsx = "cisco_power_results.xlsx"
upstream_port = "eth1"
pf_dbm = 6
# Allow one chain to have a lower signal, since customer's DUT has
# lower tx-power on one chain when doing high MCS at 4x4.
pf_a4_dropoff = 5
# This below is only used when --adjust_nf is used.
# Noise floor on ch 36 where we calibrated -54 path loss (based on hard-coded -95 noise-floor in driver)
@@ -94,6 +97,7 @@ def usage():
print("--pathloss: Calculated path-loss between LANforge station and AP")
print("--band: Select band (a | b | abgn), a means 5Ghz, b means 2.4, abgn means 2.4 on dual-band AP")
print("--pf_dbm: Pass/Fail range, default is 6")
print("--pf_a4_dropoff: Allow one chain to use lower tx-power and still pass when doing 4x4. Default is 5")
print("--wait_forever: Wait forever for station to associate, may aid debugging if STA cannot associate properly")
print("--adjust_nf: Adjust RSSI based on noise-floor. ath10k without the use-real-noise-floor fix needs this option")
print("-h|--help")
@@ -120,6 +124,7 @@ def main():
global full_outfile
global upstream_port
global pf_dbm
global pf_a4_dropoff
parser = argparse.ArgumentParser(description="Cisco TX Power report Script")
parser.add_argument("-d", "--dest", type=str, help="address of the cisco controller")
@@ -146,6 +151,7 @@ def main():
parser.add_argument("--band", type=str, help="Select band (a | b), a means 5Ghz, b means 2.4Ghz. Default is a",
choices=["a", "b", "abgn"])
parser.add_argument("--pf_dbm", type=str, help="Pass/Fail threshold. Default is 6")
parser.add_argument("--pf_a4_dropoff", type=str, help="Allow one chain to use lower tx-power and still pass when doing 4x4. Default is 5")
parser.add_argument("--wait_forever", action='store_true', help="Wait forever for station to associate, may aid debugging if STA cannot associate properly")
parser.add_argument("--adjust_nf", action='store_true', help="Adjust RSSI based on noise-floor. ath10k without the use-real-noise-floor fix needs this option")
@@ -177,6 +183,8 @@ def main():
band = "a"
if (args.pf_dbm != None):
pf_dbm = args.pf_dbm
if (args.pf_a4_dropoff != None):
pf_a4_dropoff = args.pf_p4_dropoff
filehandler = None
except Exception as e:
logging.exception(e);
@@ -326,7 +334,7 @@ def main():
worksheet.write(row, col, 'Offset\n3', dyel_bold); col += 1
worksheet.write(row, col, 'Offset\n4', dyel_bold); col += 1
worksheet.set_column(col, col, 12) # Set width
worksheet.write(row, col, "PASS /\nFAIL\n( += 1-%s dBm)"%(pf_dbm), dgreen_bold); col += 1
worksheet.write(row, col, "PASS /\nFAIL\n( += %s dBm)"%(pf_dbm), dgreen_bold); col += 1
worksheet.set_column(col, col, 100) # Set width
worksheet.write(row, col, 'Warnings and Errors', dgreen_bold_left); col += 1
row += 1
@@ -701,10 +709,36 @@ def main():
diff_a2 = calc_ant2 - allowed_per_path
diff_a3 = calc_ant3 - allowed_per_path
diff_a4 = calc_ant4 - allowed_per_path
if ((abs(diff_a1) > pfrange) or
(abs(diff_a2) > pfrange) or
(abs(diff_a3) > pfrange) or
(abs(diff_a4) > pfrange)):
# DUT transmits one chain at lower powe when using higher MCS, so allow
# for that as passing result.
failed_low = 0
least = 0
if (diff_a1 < -pfrange):
failed_low += 1
least = diff_a1
if (diff_a2 < -pfrange):
failed_low += 1
least = min(least, diff_a2)
if (diff_a2 < -pfrange):
failed_low += 1
least = min(least, diff_a2)
if (diff_a3 < -pfrange):
failed_low += 1
least = min(least, diff_a2)
if (diff_a4 < -pfrange):
failed_low += 1
least = min(least, diff_a2)
if ((least < (-pfrange - pf_a4_dropoff)) or (failed_low > 1)):
pf = 0
if (diff_a1 > pfrange):
pf = 0
if (diff_a2 > pfrange):
pf = 0
if (diff_a3 > pfrange):
pf = 0
if (diff_a4 > pfrange):
pf = 0
if (pf == 0):