All of lore.kernel.org
 help / color / mirror / Atom feed
From: Andrey Konovalov <andreyknvl@google.com>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	USB list <linux-usb@vger.kernel.org>,
	Dmitry Vyukov <dvyukov@google.com>
Subject: Re: Testing endpoint halt support for raw-gadget
Date: Mon, 4 May 2020 16:16:05 +0200	[thread overview]
Message-ID: <CAAeHK+zdN280v54=qbEA5ALuXuCB3u=8BO8YHN+ZMzxWBzsQYg@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.44L0.2004291005460.28180-100000@netrider.rowland.org>

On Wed, Apr 29, 2020 at 4:06 PM Alan Stern <stern@rowland.harvard.edu> wrote:
>
> On Wed, 29 Apr 2020, Andrey Konovalov wrote:
>
> > On Fri, Apr 10, 2020 at 5:53 PM Alan Stern <stern@rowland.harvard.edu> wrote:
> > >
> > > On Fri, 10 Apr 2020, Andrey Konovalov wrote:
> > >
> > > > On Fri, Apr 10, 2020 at 2:29 AM Alan Stern <stern@rowland.harvard.edu> wrote:
> > >
> > > > Something else: I've been testing raw-gadget with various UDCs that I
> > > > have [1] and everything seems to work, except for emulating SuperSpeed
> > > > devices with net2280. I've just found it out yesterday night, and
> > > > haven't had a chance to debug that yet, but if you know about some
> > > > potential issues I could encounter with SuperSpeed/USB3+, please let
> > > > me know.
> > >
> > > Well, USB-3 has streams, unlike USB-2.  You may want to think about
> > > supporting them.
> >
> > Do I understand correctly, that to support streams I basically need to
> > allow the user to set stream_id on the request being submitted?
>
> Yes, for bulk endpoints.

One more question (sorry for so many :).

Looking at other fields of usb_request struct I see frame_number.
AFAIU it's filled in by the UDC driver for ISO transfers. Does it make
sense to expose it to userspace? I don't see any composite/legacy
gadgets use that field at all.

  reply	other threads:[~2020-05-04 14:16 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-09 16:48 Testing endpoint halt support for raw-gadget Andrey Konovalov
2020-04-10  0:29 ` Alan Stern
2020-04-10 15:13   ` Andrey Konovalov
2020-04-10 15:53     ` Alan Stern
2020-04-27  1:26       ` Peter Chen
2020-04-27 14:29         ` Alan Stern
2020-04-29  2:20       ` Andrey Konovalov
2020-04-29 14:06         ` Alan Stern
2020-05-04 14:16           ` Andrey Konovalov [this message]
2020-05-04 14:24             ` Alan Stern
2020-05-04 15:11               ` Andrey Konovalov
2020-05-04 15:15                 ` Alan Stern
2020-05-05  6:34                   ` Felipe Balbi
2020-05-05 12:13                     ` Andrey Konovalov
2020-05-05 16:42                       ` Thinh Nguyen
2020-05-05  6:30               ` Felipe Balbi
2020-04-24 19:36   ` Andrey Konovalov
2020-04-24 19:56     ` Andrey Konovalov
2020-04-25  1:53       ` Alan Stern
2020-04-25 14:49         ` Andrey Konovalov
2020-04-25 15:02           ` Alan Stern
2020-04-27 19:51     ` Andrey Konovalov
2020-04-27 20:47       ` Andrey Konovalov
2020-04-28  0:50         ` Andrey Konovalov
2020-04-28  1:32           ` Andrey Konovalov
2020-04-28 13:27             ` Alan Stern
2020-05-13 17:07               ` Andrey Konovalov
2020-05-13 18:14                 ` Alan Stern
2020-05-13 18:31                   ` Andrey Konovalov
2020-05-13 19:09                     ` Alan Stern
2020-05-13 19:38                       ` Andrey Konovalov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAAeHK+zdN280v54=qbEA5ALuXuCB3u=8BO8YHN+ZMzxWBzsQYg@mail.gmail.com' \
    --to=andreyknvl@google.com \
    --cc=dvyukov@google.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=stern@rowland.harvard.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.