netdev - [net-next Patch v2 0/5] octeontx2-pf: HTB offload support

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Message-ID: <20230118100410.8834-1-hkelam@marvell.com>
Date:   Wed, 18 Jan 2023 15:34:05 +0530
From:   Hariprasad Kelam <hkelam@...vell.com>
To:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <kuba@...nel.org>, <davem@...emloft.net>, <pabeni@...hat.com>,
        <edumazet@...gle.com>, <sgoutham@...vell.com>,
        <lcherian@...vell.com>, <gakula@...vell.com>, <jerinj@...vell.com>,
        <sbhatta@...vell.com>, <jhs@...atatu.com>,
        <xiyou.wangcong@...il.com>, <jiri@...nulli.us>,
        <saeedm@...dia.com>, <richardcochran@...il.com>,
        <maximmi@...dia.com>, <tariqt@...dia.com>, <moshet@...dia.com>,
        <linux-rdma@...r.kernel.org>, <maxtram95@...il.com>
Subject: [net-next Patch v2 0/5] octeontx2-pf: HTB offload support

octeontx2 silicon and CN10K transmit interface consists of five
transmit levels starting from MDQ, TL4 to TL1. Once packets are
submitted to MDQ, hardware picks all active MDQs using strict
priority, and MDQs having the same priority level are chosen using
round robin. Each packet will traverse MDQ, TL4 to TL1 levels.
Each level contains an array of queues to support scheduling and
shaping.

As HTB supports classful queuing mechanism by supporting rate and
ceil and allow the user to control the absolute bandwidth to
particular classes of traffic the same can be achieved by
configuring shapers and schedulers on different transmit levels.

This series of patches adds support for HTB offload,

Patch1: Allow strict priority parameter in HTB offload mode.

Patch2: defines APIs such that the driver can dynamically initialize/
        deinitialize the send queues.

Patch3: Refactors transmit alloc/free calls as preparation for QOS
        offload code.

Patch4: Adds devlink support for the user to configure round-robin
        priority at TL1

Hariprasad Kelam (2):
  octeontx2-pf: Refactor schedular queue alloc/free calls
  octeontx2-pf: Add devlink support to configure TL1 RR_PRIO

Naveen Mamindlapalli (2):
  sch_htb: Allow HTB priority parameter in offload mode
  octeontx2-pf: Add support for HTB offload

Subbaraya Sundeep (1):
  octeontx2-pf: qos send queues management

V2 * ensure other drivers won't effect by allowing 'prio'
     parameter in htb offload mode.

 .../ethernet/marvell/octeontx2/af/common.h    |    2 +-
 .../net/ethernet/marvell/octeontx2/af/mbox.h  |    9 +-
 .../net/ethernet/marvell/octeontx2/af/rvu.c   |   15 +
 .../net/ethernet/marvell/octeontx2/af/rvu.h   |    1 +
 .../marvell/octeontx2/af/rvu_debugfs.c        |    5 +
 .../ethernet/marvell/octeontx2/af/rvu_nix.c   |   84 +-
 .../ethernet/marvell/octeontx2/nic/Makefile   |    2 +-
 .../marvell/octeontx2/nic/otx2_common.c       |  115 +-
 .../marvell/octeontx2/nic/otx2_common.h       |   30 +-
 .../marvell/octeontx2/nic/otx2_devlink.c      |   84 +
 .../marvell/octeontx2/nic/otx2_ethtool.c      |   31 +-
 .../ethernet/marvell/octeontx2/nic/otx2_pf.c  |   93 +-
 .../ethernet/marvell/octeontx2/nic/otx2_reg.h |   13 +
 .../ethernet/marvell/octeontx2/nic/otx2_tc.c  |    7 +-
 .../marvell/octeontx2/nic/otx2_txrx.c         |   27 +-
 .../marvell/octeontx2/nic/otx2_txrx.h         |    3 +-
 .../ethernet/marvell/octeontx2/nic/otx2_vf.c  |    8 +-
 .../net/ethernet/marvell/octeontx2/nic/qos.c  | 1547 +++++++++++++++++
 .../net/ethernet/marvell/octeontx2/nic/qos.h  |   71 +
 .../ethernet/marvell/octeontx2/nic/qos_sq.c   |  304 ++++
 .../net/ethernet/mellanox/mlx5/core/en/qos.c  |    6 +
 include/net/pkt_cls.h                         |    1 +
 net/sched/sch_htb.c                           |    7 +-
 23 files changed, 2378 insertions(+), 87 deletions(-)
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/qos.c
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/qos.h
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/qos_sq.c

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2.17.1