Johannes Berg wrote:
In zd1211, we start with hwaddr = dev->wiphy->perm_addr which isn't
correct either, for a pure monitor mode we want to start with a zero mac
addr to avoid acking packets. Also, zd1211rw will end up having a NULL
hwaddr when a monitor interface is added, most likely segfaulting in
zd_write_mac_addr then.
Sorry for the delay in getting to this.
Looking at this now, the behaviour you describe is not what happens.
When I bring up an interface set to monitor mode, zd_mac_add_interface()
gets called with a non-NULL mac address, the actual MAC of the device.
So, when zd_mac_open gets called soon after, it calls zd_write_mac_addr
with a non-NULL address, so it succeeds as normal.
Should I ignore the above and just set an all-zero MAC in the hardware
when a monitor interface is brought up? (setting all-zero will disable acks)
Thanks,
Daniel
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