| Message ID | 1635330675-25592-3-git-send-email-sbhatta@marvell.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | Add a devlink param and documentation | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Series has a cover letter |
| netdev/fixes_present | success | Fixes tag not required for -next series |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/subject_prefix | success | Link |
| netdev/cc_maintainers | warning | 3 maintainers not CCed: jiri@nvidia.com corbet@lwn.net linux-doc@vger.kernel.org |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | No Fixes tag |
| netdev/checkpatch | warning | WARNING: added, moved or deleted file(s), does MAINTAINERS need updating? |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/header_inline | success | No static functions without inline keyword in header files |
On Wed, 27 Oct 2021 16:01:15 +0530 Subbaraya Sundeep wrote: > 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 <sbhatta@marvell.com> > Signed-off-by: Sunil Goutham <sgoutham@marvell.com> Please resend just the docs for the existing params. No point keeping those hostage to the serdes change.
Hi Jakub, On Wed, Oct 27, 2021 at 9:53 PM Subbaraya Sundeep Bhatta <sbhatta@marvell.com> wrote: > > > From: Jakub Kicinski <kuba@kernel.org> > Sent: Wednesday, October 27, 2021 9:09 PM > To: Subbaraya Sundeep Bhatta > Cc: davem@davemloft.net; netdev@vger.kernel.org; Hariprasad Kelam; Geethasowjanya Akula; Sunil Kovvuri Goutham; Rakesh Babu Saladi > Subject: [EXT] Re: [net-next PATCH 2/2] devlink: add documentation for octeontx2 driver > > On Wed, 27 Oct 2021 16:01:15 +0530 Subbaraya Sundeep wrote: > > 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 <sbhatta@marvell.com> > > Signed-off-by: Sunil Goutham <sgoutham@marvell.com> > > Please resend just the docs for the existing params. > No point keeping those hostage to the serdes change. Sure will do that. Thanks, Sundeep
diff --git a/Documentation/networking/devlink/index.rst b/Documentation/networking/devlink/index.rst index 19ffd56..4431237 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 0000000..988fa21 --- /dev/null +++ b/Documentation/networking/devlink/octeontx2.rst @@ -0,0 +1,47 @@ +.. 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. + * - ``serdes_link`` + - bool + - runtime + - Use to initialize and de-initialize SerDes configuration. Command is + sent to firmware for SerDes configuration. Supported by PF driver + +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.