[PATCH net-next 0/4] ibmvnic: Improve queue stats and subcrq indirect handling

[Mingming Cao <mmc@linux.ibm.com>]

This patch series introduces improvements and fixes for
the ibmvnic driver, focusing on statistics handling and CRQ scalability:

1. Dynamically derive NUM_R instead of relying on a static macro.
This allows more flexible configuration of receive queues at runtime.

2. Convert queue-level statistics to use atomic64_t to ensure correctness
under concurrent updates and avoid race conditions.

3. Fix inaccurate System Attention Resource (SAR) statistics reporting
by switching to ndo_get_stats64. This aligns the SAR path with the standard
kernel interface for retrieving network statistics, ensuring accuracy and consistency.

4. Increase the maximum number of indirect entries per sub-CRQ to
 better support high-throughput configurations and future scaling needs.


Mingming Cao (4):
  ibmvnic: Derive NUM_RX_STATS/NUM_TX_STATS dynamically
  ibmvnic: Use atomic64_t for queue stats
  ibmvnic: Use ndo_get_stats64 to fix inaccurate SAR reporting
  ibmvnic: Make max subcrq indirect entries tunable via module param

 drivers/net/ethernet/ibm/ibmvnic.c | 92 ++++++++++++++++++++----------
 drivers/net/ethernet/ibm/ibmvnic.h | 29 ++++++----
 2 files changed, 80 insertions(+), 41 deletions(-)

-- 
2.39.3 (Apple Git-146)