RE: [RFC PATCH net-next 0/2] Add support for Frame preemption (IEEE

From: Somisetty, Pranavi
Date: Fri Nov 04 2022 - 10:08:52 EST




> -----Original Message-----
> From: Vladimir Oltean <olteanv@xxxxxxxxx>
> Sent: Friday, November 4, 2022 4:21 AM
> To: Somisetty, Pranavi <pranavi.somisetty@xxxxxxx>
> Cc: davem@xxxxxxxxxxxxx; edumazet@xxxxxxxxxx; kuba@xxxxxxxxxx;
> pabeni@xxxxxxxxxx; git (AMD-Xilinx) <git@xxxxxxx>; Katakam, Harini
> <harini.katakam@xxxxxxx>; Pandey, Radhey Shyam
> <radhey.shyam.pandey@xxxxxxx>; Simek, Michal
> <michal.simek@xxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx;
> netdev@xxxxxxxxxxxxxxx
> Subject: Re: [RFC PATCH net-next 0/2] Add support for Frame preemption
> (IEEE
>
> Hi Pranavi,
>
> On Thu, Nov 03, 2022 at 05:33:46AM -0600, Pranavi Somisetty wrote:
> > Frame Preemption is one of the core standards of TSN. It enables low
> > latency trasmission of time-critical frames by allowing them to
> > interrupt the transmission of other non time-critical traffic. Frame
> > preemption is only active when the link partner is also capable of it.
> > This negotiation is done using LLDP as specified by the standard. Open
> > source lldp utilities and other applications, can make use of the
> > ioctls and the header being here, to query preemption capabilities and
> > configure various parameters.
> >
> > Pranavi Somisetty (2):
> > include: uapi: Add new ioctl definitions to support Frame Preemption
> > include: uapi: Add Frame preemption parameters
> >
> > include/uapi/linux/preemption_8023br.h | 30
> ++++++++++++++++++++++++++
> > include/uapi/linux/sockios.h | 6 ++++++
> > net/core/dev_ioctl.c | 6 +++++-
> > 3 files changed, 41 insertions(+), 1 deletion(-) create mode 100644
> > include/uapi/linux/preemption_8023br.h
> >
> > --
> > 2.36.1
> >
>
> Have you seen:
> https://patchwork.kernel.org/project/netdevbpf/cover/20220816222920.195
> 2936-1-vladimir.oltean@xxxxxxx/

Thanks Vladimir, I hadn't, we will try to use your RFC.

Regards
Pranavi