The port MAC counters of ENETC are 64-bit registers and the statistics
of ethtool are also u64 type, so add enetc_port_rd64() helper function
to read 64-bit statistics from these registers, and also change the
statistics of ring to unsigned long type to be consistent with the
statistics type in struct net_device_stats.

---
v1 link: https://lore.kernel.org/imx/20250620102140.2020008-1-wei.fang@nxp.com/
v2 changes:
1. Improve the commit message of patch 1
2. Collect Reviewed-by tags
v2 link: https://lore.kernel.org/imx/20250624101548.2669522-1-wei.fang@nxp.com/
---

Wei Fang (3):
  net: enetc: change the statistics of ring to unsigned long type
  net: enetc: separate 64-bit counters from enetc_port_counters
  net: enetc: read 64-bit statistics from port MAC counters

 drivers/net/ethernet/freescale/enetc/enetc.h  | 22 ++---
 .../ethernet/freescale/enetc/enetc_ethtool.c  | 99 +++++++++++--------
 .../net/ethernet/freescale/enetc/enetc_hw.h   |  1 +
 3 files changed, 68 insertions(+), 54 deletions(-)

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2.34.1