Hi, Jason,
On Tue, 15 Feb 2022 at 22:44, Jason A. Donenfeld <[email protected]> wrote:
>
> Hardware random number generators are supposed to use the hw_random
> framework. This commit turns ath9k's kthread-based design into a proper
> hw_random driver.
>
> This compiles, but I have no hardware or other ability to determine
> whether it works. I'll leave further development up to the ath9k
> and hw_random maintainers.
>
> Cc: Toke Høiland-Jørgensen <[email protected]>
> Cc: Kalle Valo <[email protected]>
> Cc: Dominik Brodowski <[email protected]>
> Cc: Herbert Xu <[email protected]>
> Signed-off-by: Jason A. Donenfeld <[email protected]>
[patch snipped]
On my laptop, with a…
02:00.0 Network controller: Qualcomm Atheros AR9462 Wireless Network
Adapter (rev 01)
… I have the following…
rui@arrandale:~$ cat /sys/devices/virtual/misc/hw_random/rng_available
ath9k
rui@arrandale:~$ cat /sys/devices/virtual/misc/hw_random/rng_current
ath9k
rui@arrandale:~$
… and sure enough, /dev/hwrng is created and outputs a stream of
random data, as expected. I haven't done any serious randomness
quality testing, but it should be the same as the one produced by the
original code. I consider this patch thus
Tested-by: Rui Salvaterra <[email protected]>
Thanks,
Rui