[v4,00/25] Net/SPNIC: support SPNIC into DPDK 22.03

  The patchsets introduce SPNIC driver for Ramaxel's SPNxx serial NIC cards into DPDK 22.03.
Ramaxel Memory Technology is a company which supply a lot of electric products: 
storage, communication, PCB...
SPNxxx is a serial PCIE interface NIC cards:
SPN110: 2 PORTs *25G
SPN120: 4 PORTs *25G
SPN130: 2 PORTs *100G

The following is main features of our SPNIC:
- TSO
- LRO
- Flow control
- SR-IOV(Partially supported)
- VLAN offload
- VLAN filter
- CRC offload
- Promiscuous mode
- RSS

v3->v4:
1. Fix ABI test failure;
2. Remove some descriptions in spnic.rst.

v2->v3:
1. Fix clang compiling failure.

v1->v2:
1. Fix coding style issues and compiling failures;
2. Only support linux in meson.build;
3. Use CLOCK_MONOTONIC_COARSE instead of CLOCK_MONOTONIC/CLOCK_MONOTONIC_RAW;
4. Fix time_before();
5. Remove redundant checks in spnic_dev_configure();

Yanling Song (25):
  drivers/net: introduce a new PMD driver
  net/spnic: initialize the HW interface
  net/spnic: add mbox message channel
  net/spnic: introduce event queue
  net/spnic: add mgmt module
  net/spnic: add cmdq and work queue
  net/spnic: add interface handling cmdq message
  net/spnic: add hardware info initialization
  net/spnic: support MAC and link event handling
  net/spnic: add function info initialization
  net/spnic: add queue pairs context initialization
  net/spnic: support mbuf handling of Tx/Rx
  net/spnic: support Rx congfiguration
  net/spnic: add port/vport enable
  net/spnic: support IO packets handling
  net/spnic: add device configure/version/info
  net/spnic: support RSS configuration update and get
  net/spnic: support VLAN filtering and offloading
  net/spnic: support promiscuous and allmulticast Rx modes
  net/spnic: support flow control
  net/spnic: support getting Tx/Rx queues info
  net/spnic: net/spnic: support xstats statistics
  net/spnic: support VFIO interrupt
  net/spnic: support Tx/Rx queue start/stop
  net/spnic: add doc infrastructure

 MAINTAINERS                              |    6 +
 doc/guides/nics/features/spnic.ini       |   39 +
 doc/guides/nics/index.rst                |    1 +
 doc/guides/nics/spnic.rst                |   55 +
 drivers/net/meson.build                  |    1 +
 drivers/net/spnic/base/meson.build       |   37 +
 drivers/net/spnic/base/spnic_cmd.h       |  222 ++
 drivers/net/spnic/base/spnic_cmdq.c      |  875 ++++++
 drivers/net/spnic/base/spnic_cmdq.h      |  248 ++
 drivers/net/spnic/base/spnic_compat.h    |  184 ++
 drivers/net/spnic/base/spnic_csr.h       |  104 +
 drivers/net/spnic/base/spnic_eqs.c       |  661 +++++
 drivers/net/spnic/base/spnic_eqs.h       |  102 +
 drivers/net/spnic/base/spnic_hw_cfg.c    |  212 ++
 drivers/net/spnic/base/spnic_hw_cfg.h    |  125 +
 drivers/net/spnic/base/spnic_hw_comm.c   |  485 ++++
 drivers/net/spnic/base/spnic_hw_comm.h   |  204 ++
 drivers/net/spnic/base/spnic_hwdev.c     |  514 ++++
 drivers/net/spnic/base/spnic_hwdev.h     |  143 +
 drivers/net/spnic/base/spnic_hwif.c      |  774 ++++++
 drivers/net/spnic/base/spnic_hwif.h      |  155 ++
 drivers/net/spnic/base/spnic_mbox.c      | 1194 ++++++++
 drivers/net/spnic/base/spnic_mbox.h      |  202 ++
 drivers/net/spnic/base/spnic_mgmt.c      |  367 +++
 drivers/net/spnic/base/spnic_mgmt.h      |  110 +
 drivers/net/spnic/base/spnic_nic_cfg.c   | 1348 +++++++++
 drivers/net/spnic/base/spnic_nic_cfg.h   | 1110 ++++++++
 drivers/net/spnic/base/spnic_nic_event.c |  185 ++
 drivers/net/spnic/base/spnic_nic_event.h |   24 +
 drivers/net/spnic/base/spnic_wq.c        |  139 +
 drivers/net/spnic/base/spnic_wq.h        |  123 +
 drivers/net/spnic/meson.build            |   20 +
 drivers/net/spnic/spnic_ethdev.c         | 3212 ++++++++++++++++++++++
 drivers/net/spnic/spnic_ethdev.h         |   95 +
 drivers/net/spnic/spnic_io.c             |  738 +++++
 drivers/net/spnic/spnic_io.h             |  154 ++
 drivers/net/spnic/spnic_rx.c             |  937 +++++++
 drivers/net/spnic/spnic_rx.h             |  326 +++
 drivers/net/spnic/spnic_tx.c             |  858 ++++++
 drivers/net/spnic/spnic_tx.h             |  297 ++
 drivers/net/spnic/version.map            |    3 +
 41 files changed, 16589 insertions(+)
 create mode 100644 doc/guides/nics/features/spnic.ini
 create mode 100644 doc/guides/nics/spnic.rst
 create mode 100644 drivers/net/spnic/base/meson.build
 create mode 100644 drivers/net/spnic/base/spnic_cmd.h
 create mode 100644 drivers/net/spnic/base/spnic_cmdq.c
 create mode 100644 drivers/net/spnic/base/spnic_cmdq.h
 create mode 100644 drivers/net/spnic/base/spnic_compat.h
 create mode 100644 drivers/net/spnic/base/spnic_csr.h
 create mode 100644 drivers/net/spnic/base/spnic_eqs.c
 create mode 100644 drivers/net/spnic/base/spnic_eqs.h
 create mode 100644 drivers/net/spnic/base/spnic_hw_cfg.c
 create mode 100644 drivers/net/spnic/base/spnic_hw_cfg.h
 create mode 100644 drivers/net/spnic/base/spnic_hw_comm.c
 create mode 100644 drivers/net/spnic/base/spnic_hw_comm.h
 create mode 100644 drivers/net/spnic/base/spnic_hwdev.c
 create mode 100644 drivers/net/spnic/base/spnic_hwdev.h
 create mode 100644 drivers/net/spnic/base/spnic_hwif.c
 create mode 100644 drivers/net/spnic/base/spnic_hwif.h
 create mode 100644 drivers/net/spnic/base/spnic_mbox.c
 create mode 100644 drivers/net/spnic/base/spnic_mbox.h
 create mode 100644 drivers/net/spnic/base/spnic_mgmt.c
 create mode 100644 drivers/net/spnic/base/spnic_mgmt.h
 create mode 100644 drivers/net/spnic/base/spnic_nic_cfg.c
 create mode 100644 drivers/net/spnic/base/spnic_nic_cfg.h
 create mode 100644 drivers/net/spnic/base/spnic_nic_event.c
 create mode 100644 drivers/net/spnic/base/spnic_nic_event.h
 create mode 100644 drivers/net/spnic/base/spnic_wq.c
 create mode 100644 drivers/net/spnic/base/spnic_wq.h
 create mode 100644 drivers/net/spnic/meson.build
 create mode 100644 drivers/net/spnic/spnic_ethdev.c
 create mode 100644 drivers/net/spnic/spnic_ethdev.h
 create mode 100644 drivers/net/spnic/spnic_io.c
 create mode 100644 drivers/net/spnic/spnic_io.h
 create mode 100644 drivers/net/spnic/spnic_rx.c
 create mode 100644 drivers/net/spnic/spnic_rx.h
 create mode 100644 drivers/net/spnic/spnic_tx.c
 create mode 100644 drivers/net/spnic/spnic_tx.h
 create mode 100644 drivers/net/spnic/version.map