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From: Greg KH <gregkh@linuxfoundation.org>
To: Oliver Neukum <oneukum@suse.com>
Cc: linux-usb@vger.kernel.org
Subject: Re: [PATCH 1/2] usb: uapi: add usb 3.0 authentication declarations
Date: Wed, 18 Mar 2026 16:10:07 +0100	[thread overview]
Message-ID: <2026031840-unfold-crouton-bc3b@gregkh> (raw)
In-Reply-To: <20260317092244.1464921-1-oneukum@suse.com>

On Tue, Mar 17, 2026 at 10:22:28AM +0100, Oliver Neukum wrote:
> This adds the USB authentication extensions to the
> uapi chapter 9 declarations, so that user space tools
> correctly operate on the descriptor and commands.
> This is necessary for sniffing and debugging in gadget
> mode to correctly work, even though the kernel
> does not use these requests in host mode.
> 
> Signed-off-by: Oliver Neukum <oneukum@suse.com>
> ---
>  include/uapi/linux/usb/ch9.h | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
> index 8003243a4937..6f02dc39430a 100644
> --- a/include/uapi/linux/usb/ch9.h
> +++ b/include/uapi/linux/usb/ch9.h
> @@ -102,6 +102,8 @@
>  #define USB_REQ_LOOPBACK_DATA_WRITE	0x15
>  #define USB_REQ_LOOPBACK_DATA_READ	0x16
>  #define USB_REQ_SET_INTERFACE_DS	0x17
> +#define USB_REQ_AUTH_IN			0x18
> +#define REQ_REQ_AUTH_OUT		0x19

This should be USB_REQ_AUTH_OUT, right?

thanks,

greg k-h

      parent reply	other threads:[~2026-03-18 15:10 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-17  9:22 [PATCH 1/2] usb: uapi: add usb 3.0 authentication declarations Oliver Neukum
2026-03-17  9:22 ` [PATCH 2/2] USB: uapi: add BULK_MAX_PACKET_UPDATE Oliver Neukum
2026-03-18 15:10   ` Greg KH
2026-03-19 13:06     ` Oliver Neukum
2026-03-19 13:19       ` Greg KH
2026-03-18 15:10 ` Greg KH [this message]

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