[PATCH 00/14] net/enetc: add new features for ENETC4 VF on i.MX95

[Stephen Hemminger]

On Thu,  6 Aug 2026 16:58:22 +0530
Gagandeep Singh <g.singh at nxp.com> wrote:

> This series adds new PMD features to the ENETC4 driver targeting the
> NXP i.MX95 NETC IP.
> 
> The series covers:
> 
>  - KEEP_CRC Rx offload: preserve the Ethernet FCS in the receive buffer.
>  - TSO: TCP Segmentation Offload for the VF Tx path.
>  - RSC/LRO: hardware Receive Segment Coalesce for PF and VF Rx paths.
>  - Link speed code: extend the PF-to-VF mailbox field from 4-bit to
>    8-bit to support speeds beyond 10G.
>  - Firmware version: report the NETC IP version via fw_version_get.
>  - Register dump: dump SI, port (PF) and BD ring registers.
>  - Ring parameters: implement rxq_info_get / txq_info_get for the VF.
>  - Link-up interrupt: refresh the cached link speed on each VF link-up
>    interrupt so that link_update returns the current speed immediately.
>  - Stats reset: software snapshot/delta approach for VF counter reset.
>  - Per-queue Rx interrupt: MSI-X per-queue Rx interrupts for the VF,
>    enabling interrupt-driven receive with l3fwd-power.
>  - SI VLAN: hardware port VLAN insertion/removal for PF and VF.
>  - VF link status bitmask: switch VF link status to bitmask encoding
>    to align with the PF and newer kernel driver conventions.
>  - TX PAUSE: VF sets Rx congestion mode when the PF signals TX PAUSE
>    negotiated on the wire; adds Flow control = Y to enetc4.ini.
>  - WRR Tx scheduler: per-ring WRR weights via enetc4_txq_wrr devarg.
> 
> Gagandeep Singh (14):
>   net/enetc: add KEEP_CRC offload support for ENETC4
>   net/enetc: add TSO support for ENETC4 VF
>   net/enetc: add RSC (hardware LRO) support for ENETC4
>   net/enetc: extend link speed code field to 8-bit for PF-to-VF message
>   net/enetc: support firmware version get for VF
>   net/enetc: support registers dump
>   net/enetc: support ethtool ring parameters
>   net/enetc: refresh link speed on VF link-up interrupt
>   net/enetc: support stats reset for VF
>   net/enetc4: add per-queue Rx interrupt support for VF
>   net/enetc4: add SI-based port VLAN insertion and removal
>   net/enetc4: update VF link status to bitmask encoding
>   net/enetc4: enable TX PAUSE via VF RX congestion mode
>   net/enetc4: add WRR Tx scheduler devarg for VF rings
> 
>  doc/guides/nics/enetc4.rst             |  81 ++-
>  doc/guides/nics/features/enetc4.ini    |   8 +
>  doc/guides/rel_notes/release_26_11.rst |  19 +
>  drivers/net/enetc/base/enetc4_hw.h     | 129 +++-
>  drivers/net/enetc/base/enetc_hw.h      |   6 +
>  drivers/net/enetc/enetc.h              | 135 ++++-
>  drivers/net/enetc/enetc4_ethdev.c      | 394 ++++++++++++-
>  drivers/net/enetc/enetc4_vf.c          | 780 ++++++++++++++++++++++---
>  drivers/net/enetc/enetc_rxtx.c         | 531 ++++++++++++++++-
>  9 files changed, 1950 insertions(+), 133 deletions(-)

Lots of build errors, please send your patches based off main branch
and do local build tests (ideally with gcc, clang) before sending.