netdev - Re: pull-request: wireless-next-2023-03-30

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Message-ID: <ZEC08ivL3ngWFQBH@hoboy.vegasvil.org>
Date:   Wed, 19 Apr 2023 20:43:46 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     "Greenman, Gregory" <gregory.greenman@...el.com>
Cc:     "kuba@...nel.org" <kuba@...nel.org>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "johannes@...solutions.net" <johannes@...solutions.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Stern, Avraham" <avraham.stern@...el.com>
Subject: Re: pull-request: wireless-next-2023-03-30

On Tue, Apr 18, 2023 at 01:35:50PM +0000, Greenman, Gregory wrote:

> Just a few clarifications. These two notifications are internal to iwlwifi, sent
> by the firmware to the driver.

Obviously.

> Then, the timestamps are added to the rx/tx status
> via mac80211 api.

Where?  I don't see that in the kernel anywhere.

Your WiFi driver would need to implement get_ts_info, no?

> Actually, we already have a functional implementation of ptp4l
> over wifi using this driver support.

Why are changes needed to user space at all?

Thanks,
Richard