wowlan: docs: caveats
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# wakeup sources can be monitored with:
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# - `cat /proc/interrupts | rg rtw_wifi_gpio_wakeup`
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# - e.g. `cat /sys/kernel/irq/25/actions` (if the above points to irq 25)
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#
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# caveats:
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# - can take 15s or more from when the packet is broadcast to when an application services it.
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# - WiFi doesn't respond to arp queries, so the sender might not actually know how to route
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# the packet to WiFi device at all.
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# run `arp -s <ip-addr> <mac-addr>` on the sender to hardcode an arp association.
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{ config, lib, pkgs, ... }:
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let
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