linux-kernel - [net-next PATCH v3 0/6] Add af

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Message-ID: <20250110093807.2451954-1-sumang@marvell.com>
Date: Fri, 10 Jan 2025 15:08:01 +0530
From: Suman Ghosh <sumang@...vell.com>
To: <horms@...nel.org>, <sgoutham@...vell.com>, <gakula@...vell.com>,
        <sbhatta@...vell.com>, <hkelam@...vell.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <lcherian@...vell.com>, <jerinj@...vell.com>,
        <john.fastabend@...il.com>, <bbhushan2@...vell.com>, <hawk@...nel.org>,
        <andrew+netdev@...n.ch>, <ast@...nel.org>, <daniel@...earbox.net>,
        <bpf@...r.kernel.org>
CC: Suman Ghosh <sumang@...vell.com>
Subject: [net-next PATCH v3 0/6] Add af_xdp support for cn10k

This patchset includes changes to support AF_XDP for cn10k chipsets. Both
non-zero copy and zero copy will be supported after these changes. Also,
the RSS will be reconfigured once a particular receive queue is
added/removed to/from AF_XDP support.

Patch #1: octeontx2-pf: Don't unmap page pool buffer used by XDP

Patch #2: octeontx2-pf: Add AF_XDP non-zero copy support

Patch #3: octeontx2-pf: AF_XDP zero copy receive support

Patch #4: octeontx2-pf: Reconfigure RSS table after enabling AF_XDP
zerocopy on rx queue

Patch #5: octeontx2-pf: Prepare for AF_XDP transmit

Patch #6: octeontx2-pf: AF_XDP zero copy transmit support

Geetha sowjanya (1):
  octeontx2-pf: Don't unmap page pool buffer used by XDP

Hariprasad Kelam (2):
  Octeontx2-pf: Prepare for AF_XDP
  octeontx2-pf: AF_XDP zero copy transmit support

Suman Ghosh (6):
  octeontx2-pf: Add AF_XDP non-zero copy support
  octeontx2-pf: AF_XDP zero copy receive support
  octeontx2-pf: Reconfigure RSS table after enabling AF_XDP zerocopy on
    rx queue

v3 changes:
- Rearrenged patch ordering to fix individual patch compilation issue
- Fixed un-initialized variable declaration and reverse x-mas tree issue
  pointer by Simon

v2 changes:
- Addressed minor review comments from Simon regrading smatch warnings

 .../ethernet/marvell/octeontx2/nic/Makefile   |   2 +-
 .../ethernet/marvell/octeontx2/nic/cn10k.c    |   6 +-
 .../marvell/octeontx2/nic/otx2_common.c       | 125 +++++++---
 .../marvell/octeontx2/nic/otx2_common.h       |  17 +-
 .../marvell/octeontx2/nic/otx2_ethtool.c      |   6 +-
 .../ethernet/marvell/octeontx2/nic/otx2_pf.c  |  33 ++-
 .../marvell/octeontx2/nic/otx2_txrx.c         | 183 +++++++++++---
 .../marvell/octeontx2/nic/otx2_txrx.h         |   9 +
 .../ethernet/marvell/octeontx2/nic/otx2_vf.c  |  12 +-
 .../ethernet/marvell/octeontx2/nic/otx2_xsk.c | 225 ++++++++++++++++++
 .../ethernet/marvell/octeontx2/nic/otx2_xsk.h |  24 ++
 .../ethernet/marvell/octeontx2/nic/qos_sq.c   |   2 +-
 12 files changed, 562 insertions(+), 82 deletions(-)
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.c
 create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.h

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2.25.1