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[net-next,0/8] devlink: Add SF add/delete devlink ops

Message ID 20200917081731.8363-1-parav@nvidia.com
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Series devlink: Add SF add/delete devlink ops | expand

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Parav Pandit Sept. 17, 2020, 8:17 a.m. UTC 
Hi Dave, Jakub,

Similar to PCI VF, PCI SF represents portion of the device.
PCI SF is represented using a new devlink port flavour.

This short series implements small part of the RFC described in detail at [1] and [2].

It extends
(a) devlink core to expose new devlink port flavour 'pcisf'.
(b) Expose new user interface to add/delete devlink port.
(c) Extends netdevsim driver to simulate PCI PF and SF ports
(d) Add port function state attribute

Patch summary:
Patch-1 Extends devlink to expose new PCI SF port flavour
Patch-2 Extends devlink to let user add, delete devlink Port
Patch-3 Prepare code to handle multiple port attributes
Patch-4 Extends devlink to let user get, set function state
Patch-5 Extends netdevsim driver to simulate PCI PF ports
Patch-6 Extends netdevsim driver to simulate hw_addr get/set
Patch-7 Extends netdevsim driver to simulate function state get/set
Patch-8 Extends netdevsim driver to simulate PCI SF ports

[1] https://lore.kernel.org/netdev/20200519092258.GF4655@nanopsycho/
[2] https://marc.info/?l=linux-netdev&m=158555928517777&w=2

Parav Pandit (8):
  devlink: Introduce PCI SF port flavour and port attribute
  devlink: Support add and delete devlink port
  devlink: Prepare code to fill multiple port function attributes
  devlink: Support get and set state of port function
  netdevsim: Add support for add and delete of a PCI PF port
  netdevsim: Simulate get/set hardware address of a PCI port
  netdevsim: Simulate port function state for a PCI port
  netdevsim: Add support for add and delete PCI SF port

 drivers/net/netdevsim/Makefile        |   3 +-
 drivers/net/netdevsim/dev.c           |  14 +
 drivers/net/netdevsim/netdevsim.h     |  32 ++
 drivers/net/netdevsim/port_function.c | 498 ++++++++++++++++++++++++++
 include/net/devlink.h                 |  75 ++++
 include/uapi/linux/devlink.h          |  13 +
 net/core/devlink.c                    | 230 ++++++++++--
 7 files changed, 840 insertions(+), 25 deletions(-)
 create mode 100644 drivers/net/netdevsim/port_function.c