[Pull Request][hirsute/linux-azure] Implement Network XDP support

[Tim Gardner]

BugLink: https://bugs.launchpad.net/bugs/1958252

SRU Justification

[Impact]

Enable XDP support in Azure tuned kernels.

[Test Plan]

Microsoft tested.

[Where things could go wrong]

Network performance could be impacted or base functionality could fail.

[Other Info]

SF: #00324494

-----------------------------------------------------------------------
The following changes since commit 09d02400439e05b245a025c5b0cc1bc3cf75d1c7:

   UBUNTU: Ubuntu-azure-5.11.0-1023.24 (2021-12-07 11:35:40 -0700)

are available in the Git repository at:

   git://git.launchpad.net/~timg-tpi/ubuntu/+source/linux/+git/hirsute 
3a04bcfc64dbb75c7ceb6c0204b1b285d75ce402

for you to fetch changes up to 3a04bcfc64dbb75c7ceb6c0204b1b285d75ce402:

   net: mana: Add XDP support (2022-01-18 07:08:53 -0700)

----------------------------------------------------------------
Colin Ian King (1):
       net: mana: Fix spelling mistake "calledd" -> "called"

Dexuan Cui (4):
       net: mana: Fix the netdev_err()'s vPort argument in mana_init_port()
       net: mana: Report OS info to the PF driver
       net: mana: Improve the HWC error handling
       net: mana: Support hibernation and kexec

Gustavo A. R. Silva (1):
       net: mana: Use kcalloc() instead of kzalloc()

Haiyang Zhang (3):
       net: mana: Allow setting the number of queues while the NIC is down
       hv_netvsc: Set needed_headroom according to VF
       net: mana: Add XDP support

Lorenzo Bianconi (2):
       net, xdp: Introduce xdp_init_buff utility routine
       net, xdp: Introduce xdp_prepare_buff utility routine

Sasha Levin (1):
       kbuild: simplify access to the kernel's version

  Makefile                                            |   5 ++-
  drivers/net/ethernet/amazon/ena/ena_netdev.c        |  10 ++---
  drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c       |   9 ++---
  drivers/net/ethernet/cavium/thunder/nicvf_main.c    |  12 +++---
  drivers/net/ethernet/freescale/dpaa/dpaa_eth.c      |  10 ++---
  drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c    |  14 +++----
  drivers/net/ethernet/intel/i40e/i40e_txrx.c         |  18 ++++-----
  drivers/net/ethernet/intel/ice/ice_txrx.c           |  15 ++++----
  drivers/net/ethernet/intel/igb/igb_main.c           |  18 ++++-----
  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c       |  19 +++++-----
  drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c   |  19 +++++-----
  drivers/net/ethernet/marvell/mvneta.c               |  10 ++---
  drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c     |  14 +++----
  drivers/net/ethernet/mellanox/mlx4/en_rx.c          |   9 ++---
  drivers/net/ethernet/mellanox/mlx5/core/en_rx.c     |   8 +---
  drivers/net/ethernet/mellanox/mlx5/core/main.c      |   4 +-
  drivers/net/ethernet/microsoft/mana/Makefile        |   2 +-
  drivers/net/ethernet/microsoft/mana/gdma_main.c     | 155 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------------
  drivers/net/ethernet/microsoft/mana/hw_channel.c    |  75 
++++++++++++++++---------------------
  drivers/net/ethernet/microsoft/mana/mana.h          |  17 ++++++++-
  drivers/net/ethernet/microsoft/mana/mana_bpf.c      | 162 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  drivers/net/ethernet/microsoft/mana/mana_en.c       | 163 
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------
  drivers/net/ethernet/microsoft/mana/mana_ethtool.c  |   3 --
  drivers/net/ethernet/netronome/nfp/nfp_net_common.c |  12 +++---
  drivers/net/ethernet/qlogic/qede/qede_fp.c          |   9 ++---
  drivers/net/ethernet/sfc/rx.c                       |  10 ++---
  drivers/net/ethernet/socionext/netsec.c             |   9 ++---
  drivers/net/ethernet/ti/cpsw.c                      |  18 +++------
  drivers/net/ethernet/ti/cpsw_new.c                  |  18 +++------
  drivers/net/hyperv/netvsc_bpf.c                     |   8 +---
  drivers/net/hyperv/netvsc_drv.c                     |   5 +++
  drivers/net/tun.c                                   |  12 ++----
  drivers/net/veth.c                                  |  14 +++----
  drivers/net/virtio_net.c                            |  18 +++------
  drivers/net/xen-netfront.c                          |  10 ++---
  drivers/usb/core/hcd.c                              |   4 +-
  drivers/usb/gadget/udc/aspeed-vhub/hub.c            |   4 +-
  include/linux/usb/composite.h                       |   4 +-
  include/net/xdp.h                                   |  19 ++++++++++
  kernel/sys.c                                        |   2 +-
  net/bpf/test_run.c                                  |  11 ++----
  net/core/dev.c                                      |  24 ++++++------
  42 files changed, 635 insertions(+), 347 deletions(-)
  create mode 100644 drivers/net/ethernet/microsoft/mana/mana_bpf.c
-- 
-----------
Tim Gardner
Canonical, Inc