From 442e796f0aa755ea2a9e3d2f007a6bfcf08bb183 Mon Sep 17 00:00:00 2001 From: Subbaraya Sundeep Date: Thu, 28 Oct 2021 18:38:15 +0530 Subject: [PATCH] devlink: add documentation for octeontx2 driver Add a file to document devlink support for octeontx2 driver. Driver-specific parameters implemented by AF, PF and VF drivers are documented. Signed-off-by: Subbaraya Sundeep Signed-off-by: Sunil Goutham Signed-off-by: David S. Miller --- Documentation/networking/devlink/index.rst | 1 + .../networking/devlink/octeontx2.rst | 42 +++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 Documentation/networking/devlink/octeontx2.rst diff --git a/Documentation/networking/devlink/index.rst b/Documentation/networking/devlink/index.rst index 19ffd561cf4fd..443123772f44d 100644 --- a/Documentation/networking/devlink/index.rst +++ b/Documentation/networking/devlink/index.rst @@ -48,3 +48,4 @@ parameters, info versions, and other features it supports. am65-nuss-cpsw-switch prestera iosm + octeontx2 diff --git a/Documentation/networking/devlink/octeontx2.rst b/Documentation/networking/devlink/octeontx2.rst new file mode 100644 index 0000000000000..610de99b728a8 --- /dev/null +++ b/Documentation/networking/devlink/octeontx2.rst @@ -0,0 +1,42 @@ +.. SPDX-License-Identifier: GPL-2.0 + +========================= +octeontx2 devlink support +========================= + +This document describes the devlink features implemented by the ``octeontx2 AF, PF and VF`` +device drivers. + +Parameters +========== + +The ``octeontx2 PF and VF`` drivers implement the following driver-specific parameters. + +.. list-table:: Driver-specific parameters implemented + :widths: 5 5 5 85 + + * - Name + - Type + - Mode + - Description + * - ``mcam_count`` + - u16 + - runtime + - Select number of match CAM entries to be allocated for an interface. + The same is used for ntuple filters of the interface. Supported by + PF and VF drivers. + +The ``octeontx2 AF`` driver implements the following driver-specific parameters. + +.. list-table:: Driver-specific parameters implemented + :widths: 5 5 5 85 + + * - Name + - Type + - Mode + - Description + * - ``dwrr_mtu`` + - u32 + - runtime + - Use to set the quantum which hardware uses for scheduling among transmit queues. + Hardware uses weighted DWRR algorithm to schedule among all transmit queues. -- 2.30.2