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

From: Vladimir Oltean
Date: Thu Nov 03 2022 - 18:51:36 EST


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/20220816222920.1952936-1-vladimir.oltean@xxxxxxx/