netdev - Re: [iwl-next v1 00/14] ice: support devlink subfunction

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Date: Thu, 9 May 2024 13:18:29 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	jacob.e.keller@...el.com, michal.kubiak@...el.com,
	maciej.fijalkowski@...el.com, sridhar.samudrala@...el.com,
	przemyslaw.kitszel@...el.com, wojciech.drewek@...el.com,
	pio.raczynski@...il.com, jiri@...dia.com,
	mateusz.polchlopek@...el.com, shayd@...dia.com
Subject: Re: [iwl-next v1 00/14] ice: support devlink subfunction

Tue, May 07, 2024 at 01:45:01PM CEST, michal.swiatkowski@...ux.intel.com wrote:
>Hi,
>
>Currently ice driver does not allow creating more than one networking
>device per physical function. The only way to have more hardware backed
>netdev is to use SR-IOV.
>
>Following patchset adds support for devlink port API. For each new
>pcisf type port, driver allocates new VSI, configures all resources
>needed, including dynamically MSIX vectors, program rules and registers
>new netdev.
>
>This series supports only one Tx/Rx queue pair per subfunction.
>
>Example commands:
>devlink port add pci/0000:31:00.1 flavour pcisf pfnum 1 sfnum 1000
>devlink port function set pci/0000:31:00.1/1 hw_addr 00:00:00:00:03:14
>devlink port function set pci/0000:31:00.1/1 state active
>devlink port function del pci/0000:31:00.1/1
>
>Make the port representor and eswitch code generic to support
>subfunction representor type.
>
>VSI configuration is slightly different between VF and SF. It needs to
>be reflected in the code.
>
>Most recent previous patchset (not containing port representor for SF
>support). [1]
>
>[1] https://lore.kernel.org/netdev/20240417142028.2171-1-michal.swiatkowski@linux.intel.com/
>


I don't understand howcome the patchset is v1, yet there are patches
that came through multiple iterations alread. Changelog is missing
completely :/


>Michal Swiatkowski (7):
>  ice: treat subfunction VSI the same as PF VSI
>  ice: create port representor for SF
>  ice: don't set target VSI for subfunction
>  ice: check if SF is ready in ethtool ops
>  ice: netdevice ops for SF representor
>  ice: support subfunction devlink Tx topology
>  ice: basic support for VLAN in subfunctions
>
>Piotr Raczynski (7):
>  ice: add new VSI type for subfunctions
>  ice: export ice ndo_ops functions
>  ice: add basic devlink subfunctions support
>  ice: allocate devlink for subfunction
>  ice: base subfunction aux driver
>  ice: implement netdev for subfunction
>  ice: allow to activate and deactivate subfunction
>
> drivers/net/ethernet/intel/ice/Makefile       |   2 +
> .../net/ethernet/intel/ice/devlink/devlink.c  |  48 ++
> .../net/ethernet/intel/ice/devlink/devlink.h  |   1 +
> .../ethernet/intel/ice/devlink/devlink_port.c | 516 ++++++++++++++++++
> .../ethernet/intel/ice/devlink/devlink_port.h |  43 ++
> drivers/net/ethernet/intel/ice/ice.h          |  19 +-
> drivers/net/ethernet/intel/ice/ice_base.c     |   5 +-
> drivers/net/ethernet/intel/ice/ice_dcb_lib.c  |   1 +
> drivers/net/ethernet/intel/ice/ice_eswitch.c  |  85 ++-
> drivers/net/ethernet/intel/ice/ice_eswitch.h  |  22 +-
> drivers/net/ethernet/intel/ice/ice_ethtool.c  |   7 +-
> drivers/net/ethernet/intel/ice/ice_lib.c      |  52 +-
> drivers/net/ethernet/intel/ice/ice_lib.h      |   3 +
> drivers/net/ethernet/intel/ice/ice_main.c     |  66 ++-
> drivers/net/ethernet/intel/ice/ice_repr.c     | 195 +++++--
> drivers/net/ethernet/intel/ice/ice_repr.h     |  22 +-
> drivers/net/ethernet/intel/ice/ice_sf_eth.c   | 329 +++++++++++
> drivers/net/ethernet/intel/ice/ice_sf_eth.h   |  33 ++
> .../ethernet/intel/ice/ice_sf_vsi_vlan_ops.c  |  21 +
> .../ethernet/intel/ice/ice_sf_vsi_vlan_ops.h  |  13 +
> drivers/net/ethernet/intel/ice/ice_sriov.c    |   4 +-
> drivers/net/ethernet/intel/ice/ice_txrx.c     |   2 +-
> drivers/net/ethernet/intel/ice/ice_type.h     |   1 +
> drivers/net/ethernet/intel/ice/ice_vf_lib.c   |   4 +-
> .../net/ethernet/intel/ice/ice_vsi_vlan_ops.c |   4 +
> drivers/net/ethernet/intel/ice/ice_xsk.c      |   2 +-
> 26 files changed, 1362 insertions(+), 138 deletions(-)
> create mode 100644 drivers/net/ethernet/intel/ice/ice_sf_eth.c
> create mode 100644 drivers/net/ethernet/intel/ice/ice_sf_eth.h
> create mode 100644 drivers/net/ethernet/intel/ice/ice_sf_vsi_vlan_ops.c
> create mode 100644 drivers/net/ethernet/intel/ice/ice_sf_vsi_vlan_ops.h
>
>-- 
>2.42.0
>
>