netdev - [PATCH net-next 00/12] nfp: add support for multi-pf configuration

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Date: Mon, 24 Jul 2023 11:48:09 +0200
From: Louis Peens <louis.peens@...igine.com>
To: David Miller <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: Simon Horman <simon.horman@...igine.com>,
	Yinjun Zhang <yinjun.zhang@...igine.com>,
	Tianyu Yuan <tianyu.yuan@...igine.com>,
	netdev@...r.kernel.org,
	oss-drivers@...igine.com
Subject: [PATCH net-next 00/12] nfp: add support for multi-pf configuration

This patch series is introducing multiple PFs for multiple ports NIC
assembled with NFP3800 chip. This is done since the NFP3800 can
support up to 4 PFs, and is more in-line with the modern expectation
that each port/netdev is associated with a unique PF.

For compatibility concern with NFP4000/6000 cards, and older management
firmware on NFP3800, multiple ports sharing single PF is still supported
with this change. Whether it's multi-PF setup or single-PF setup is
determined by management firmware, and driver will notify the
application firmware of the setup so that both are well handled.

* Patch 1/12 and 2/12 are to support new management firmware with bumped
  major version.
* Patch 3/12, 4/12, 5/12 adjust the application firmware loading and
  unloading mechanism since multi PFs share the same application
  firmware.
* Patch 6/12 is a small fix to avoid reclaiming resources by mistake in
  multi-PF setup.
* Patch 7/12 re-formats the symbols to communicate with application
  firmware to adapt multi-PF setup.
* Patch 8/12 applies one port/netdev per PF.
* Patch 9/12 is to support both single-PF and multi-PF setup by a
  configuration in application firmware.
* Patch 10/12, 11/12, 12/12 are some necessary adaption to use SR-IOV
  for multi-PF setup.

Tianyu Yuan (4):
  nsp: generate nsp command with variable nsp major version
  nfp: bump the nsp major version to support multi-PF
  nfp: apply one port per PF for multi-PF setup
  nfp: configure VF total count for each PF

Yinjun Zhang (8):
  nfp: change application firmware loading flow in multi-PF setup
  nfp: don't skip firmware loading when it's pxe firmware in running
  nfp: introduce keepalive mechanism for multi-PF setup
  nfp: avoid reclaiming resource mutex by mistake
  nfp: redefine PF id used to format symbols
  nfp: enable multi-PF in application firmware if supported
  nfp: configure VF split info into application firmware
  nfp: use absolute vf id for multi-PF case

 drivers/net/ethernet/netronome/nfp/abm/ctrl.c |   2 +-
 drivers/net/ethernet/netronome/nfp/abm/main.c |   2 +-
 drivers/net/ethernet/netronome/nfp/bpf/main.c |   2 +-
 .../net/ethernet/netronome/nfp/flower/main.c  |  19 +-
 drivers/net/ethernet/netronome/nfp/nfp_main.c | 227 ++++++++++++++++--
 drivers/net/ethernet/netronome/nfp/nfp_main.h |  28 +++
 .../net/ethernet/netronome/nfp/nfp_net_ctrl.h |   1 +
 .../net/ethernet/netronome/nfp/nfp_net_main.c | 166 ++++++++++---
 .../ethernet/netronome/nfp/nfp_net_sriov.c    |  39 ++-
 .../ethernet/netronome/nfp/nfp_net_sriov.h    |   5 +
 drivers/net/ethernet/netronome/nfp/nfp_port.c |   4 +-
 .../net/ethernet/netronome/nfp/nfpcore/nfp.h  |   4 +
 .../ethernet/netronome/nfp/nfpcore/nfp_dev.c  |   2 +
 .../ethernet/netronome/nfp/nfpcore/nfp_dev.h  |   1 +
 .../netronome/nfp/nfpcore/nfp_mutex.c         |  21 +-
 .../ethernet/netronome/nfp/nfpcore/nfp_nffw.h |   4 +
 .../ethernet/netronome/nfp/nfpcore/nfp_nsp.c  |  18 +-
 .../netronome/nfp/nfpcore/nfp_rtsym.c         |  16 +-
 drivers/net/ethernet/netronome/nfp/nic/main.c |   3 +-
 19 files changed, 474 insertions(+), 90 deletions(-)

-- 
2.34.1