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([2a0d:3344:2712:7e10:4d59:d956:544f:d65c]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3e96dee54d8sm11914722f8f.12.2025.09.16.06.22.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 16 Sep 2025 06:22:55 -0700 (PDT) Message-ID: <0b5b0d1d-438a-4e41-99c8-a6f61d7581b4@redhat.com> Date: Tue, 16 Sep 2025 15:22:54 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] net: mana: Add standard counter rx_missed_errors To: Erni Sri Satya Vennela , kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, longli@microsoft.com, kotaranov@microsoft.com, horms@kernel.org, shradhagupta@linux.microsoft.com, dipayanroy@linux.microsoft.com, shirazsaleem@microsoft.com, rosenp@gmail.com, linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org References: <1757908698-16778-1-git-send-email-ernis@linux.microsoft.com> <1757908698-16778-3-git-send-email-ernis@linux.microsoft.com> Content-Language: en-US From: Paolo Abeni In-Reply-To: <1757908698-16778-3-git-send-email-ernis@linux.microsoft.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/15/25 5:58 AM, Erni Sri Satya Vennela wrote: > 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