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test-runner: Make hwsim medium optional

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Allow the "hwsim_medium=no" setting in hw.conf's SETUP section to
disable starting hwsim.  It looks like the packets going through
userspace add enough latency that active scans don't work, probe
responses don't arrive within the "dwell time" or probe requests are not
ACKed on time.  I've tried modifying tools/hwsim.c to respond with the
HWSIM_CMD_TX_INFO_FRAME cmd as the first thing after receiving a
HWSIM_CMD_FRAME and even skipping the queue in ell/genl.c by writing the
command synchronously, but neither helped enough to make the scans work.
This does not rule out that hwsim or the way our scans are done can be
fixed and that would obviously be better than what I did in this patch.
This commit is contained in:
Andrew Zaborowski 2020-09-29 18:37:13 +02:00 committed by Denis Kenzior
parent b321db20ad
commit db038022e8
1 changed files with 3 additions and 2 deletions
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tools/test-runner
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@ -524,8 +524,9 @@ class TestContext:
self.radios.append(VirtualRadio(name, rad_config))
self.cur_radio_id += 1
# register hwsim as medium
self.start_process(['hwsim'])
if self.hw_config['SETUP'].get('hwsim_medium', 'yes') in ['yes', '1', 'true']:
# register hwsim as medium
self.start_process(['hwsim'])
def discover_radios(self):
phys = []