Thread (8 messages) 8 messages, 2 authors, 2025-10-23

Re: [PATCH 2/2] net: mana: Add standard counter rx_missed_errors

From: Erni Sri Satya Vennela <hidden>
Date: 2025-09-25 04:24:06
Also in: linux-hyperv, linux-rdma, lkml

On Tue, Sep 16, 2025 at 03:22:54PM +0200, Paolo Abeni wrote:
On 9/15/25 5:58 AM, Erni Sri Satya Vennela wrote:
quoted
Report standard counter stats->rx_missed_errors
using hc_rx_discards_no_wqe from the hardware.

Add a dedicated workqueue to periodically run
mana_query_gf_stats every 2 seconds to get the latest
info in eth_stats and define a driver capability flag
to notify hardware of the periodic queries.

To avoid repeated failures and log flooding, the workqueue
is not rescheduled if mana_query_gf_stats fails.
Can the failure root cause be a "transient" one? If so, this looks like
a dangerous strategy; is such scenario, AFAICS, stats will be broken
until the device is removed and re-probed.

/P
Hi Paolo,
Does this patch require further discussion?

- Vennela
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