netdev - Re: [PATCH] [v13] wireless: Initial driver submission for pureLiFi STA devices

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Message-ID: <87v9arovvo.fsf@codeaurora.org>
Date:   Wed, 17 Feb 2021 12:02:03 +0200
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Srinivasan Raju <srini.raju@...elifi.com>
Cc:     mostafa.afgani@...elifi.com,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-kernel@...r.kernel.org (open list),
        linux-wireless@...r.kernel.org (open list:NETWORKING DRIVERS (WIRELESS)),
        netdev@...r.kernel.org (open list:NETWORKING DRIVERS)
Subject: Re: [PATCH] [v13] wireless: Initial driver submission for pureLiFi STA devices

Srinivasan Raju <srini.raju@...elifi.com> writes:

> This introduces the pureLiFi LiFi driver for LiFi-X, LiFi-XC
> and LiFi-XL USB devices.
>
> This driver implementation has been based on the zd1211rw driver.
>
> Driver is based on 802.11 softMAC Architecture and uses
> native 802.11 for configuration and management.
>
> The driver is compiled and tested in ARM, x86 architectures and
> compiled in powerpc architecture.
>
> Signed-off-by: Srinivasan Raju <srini.raju@...elifi.com>

I pushed this now to the pending branch of wireless-drivers-next for
build testing, let's see what kind of results we get. I didn't manage to
do a thorough review yet, but few quick comments:

> --- a/drivers/net/wireless/Kconfig
> +++ b/drivers/net/wireless/Kconfig
> @@ -35,6 +35,7 @@ source "drivers/net/wireless/st/Kconfig"
>  source "drivers/net/wireless/ti/Kconfig"
>  source "drivers/net/wireless/zydas/Kconfig"
>  source "drivers/net/wireless/quantenna/Kconfig"
> +source "drivers/net/wireless/purelifi/Kconfig"

This is supposed to be in alphabetical order.

> --- a/drivers/net/wireless/Makefile
> +++ b/drivers/net/wireless/Makefile
> @@ -20,6 +20,7 @@ obj-$(CONFIG_WLAN_VENDOR_ST) += st/
>  obj-$(CONFIG_WLAN_VENDOR_TI) += ti/
>  obj-$(CONFIG_WLAN_VENDOR_ZYDAS) += zydas/
>  obj-$(CONFIG_WLAN_VENDOR_QUANTENNA) += quantenna/
> +obj-$(CONFIG_WLAN_VENDOR_PURELIFI) += purelifi/

And this one as well. Clearly I missed these with quantenna, but no need
to redo the same mistake with purelife. Also patches welcome to fix
quantenna sorting.

> --- /dev/null
> +++ b/drivers/net/wireless/purelifi/plfxlc/Kconfig
> @@ -0,0 +1,13 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +config PLFXLC
> +
> +	tristate "pureLiFi X, XL, XC device support"
> +	depends on CFG80211 && MAC80211 && USB
> +	help
> +	   This driver makes the adapter appear as a normal WLAN interface.
> +
> +	   The pureLiFi device requires external STA firmware to be loaded.
> +

The documentation here is not telling much. I think it goes without
saying that a firmware is needed, so no need to mention it. And also
"normal WLAN interface" is a standard upstream requirement so drop that
as well. Instead describe here in detail what hardware this driver
supports, for example exact product names, bus types, wifi/ieee
generation etc.

> +	   To compile this driver as a module, choose M here: the module will
> +	   be called purelifi.

Didn't you rename it to plfxlc?

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches