From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B64AD2DB791 for ; Thu, 3 Sep 2026 21:45:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788471935; cv=none; b=XOUdG57vpSh1m/oTyhsvi4Wjygw0OBraqv/V0vw0cpMmSrZXWgwwUOunvQGPJt4TCYo5b61Yvc9RFeS5FVdrer1rhxrOpx31l/cHXs7QQL45Kb4ptz8eNd+rvMM2UUrt46CnTUqAygBqg8dP29dBsnwxa9RfSU2faU6jIwop5BY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788471935; c=relaxed/simple; bh=nXUDsFuZ0+f0NpD2kzdMb/CMR/WxBY5kXmLejNzjHdc=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=W7VYlwNQlzqP2ho7jvszkFIWqFDk4znI5CGg1vjH4jVPiNlx1r57tutBFtBLWGkNiFTuNcSDnUxr0G46n4dwnAl00cv1hgq5iL+GM38NZZ/9i25gBeSQyDrLhjp2FEb2IbhXI4n5Etye/sHqSLsQcqBwoRy1Gad/72Gz0LziRZw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EDnDbHzX; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EDnDbHzX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 485E71F000E9; Thu, 3 Sep 2026 21:45:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788471934; bh=RRq3/KlHERIgSlTXRVtao9IRe4CY8GsUyqXlEGuddVY=; h=From:Subject:Date:To:Cc; b=EDnDbHzX2AA/iPlPapJ04taVhPUa3L8GtgoQs4Sg99uXF9CHGMvV1NJHGcRoGPvPs U8rOR+Gf/mwxuPGMh23Av3ewGfIDNPoJYn32NYqAmG9AP0Ki5UErFlwK6+Ec9OTV6z wbYnirOCtfOkNpNPYLVp+YnOGgBmgnQZ49OQcGe1SSRlJRxFBkmZO9WfrPXeDPPs2g 8zR+JmXD1w/7wyhrzce++pT5LqslRqYdPX0Ew3d4vnK/NShUb09c+Nfh6nrldldDiv lgwvlZ4mnNDUDMM6xDKxOJ3TTvfZYaAwK2G0Cc8jRw38kFdRSzVunK+Ei7hO0gJ4Tn Xt0RY11R8/iOA== From: Linus Walleij Subject: [PATCH v2 0/5] net: ethernet: cortina: Fix RX budget accounting Date: Thu, 03 Sep 2026 23:45:28 +0200 Message-Id: <20260903-gemini-ethernet-fixes-v2-0-2bbbd598ca6e@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/4WNQQ6CMBREr0L+2m/aGoq48h6GhcAIP2pL2oZoC He3cAGXbyZvZqGIIIh0KRYKmCWKdxnMoaBuvLsBLH1mMspYVSvNA97ihJFGBIfED/kgMmxvUHX lqdMtZXcK2Ius3prMo8Tkw3e/mfWW/lucNSsGbKtqW5Xnyl6fW/06+jBQs67rDwp3e8u7AAAA X-Change-ID: 20260901-gemini-ethernet-fixes-e6d2e7c53c1b To: Hans Ulli Kroll , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , =?utf-8?q?Micha=C5=82_Miros=C5=82aw?= Cc: netdev@vger.kernel.org, Linus Walleij , Joe Damato X-Mailer: b4 0.16.0 Finish RX updates before releasing NAPI ownership, report actual NAPI work, charge dropped frames to the poll budget, and drive free-queue refills from consumed RX descriptors. Track RX drop state across descriptor chains so discarded frames are counted exactly once. Tested on the D-Link DIR-685. Hi Sashiko, yes there are more latent issues I will get to them, but my LLM thinks those are on the top of the list. Assisted-by: LLM Signed-off-by: Linus Walleij --- Changes in v2: - Finish RX statistics and free-queue updates before NAPI completion. - Enable RX interrupts only after successful NAPI completion. - Drop AI slop renaming of received->work_done. - Link to v1: https://patch.msgid.link/20260901-gemini-ethernet-fixes-v1-0-ee6b09675876@kernel.org --- Linus Walleij (5): net: ethernet: cortina: Fix budget accounting net: ethernet: cortina: Finish RX updates before NAPI completion net: ethernet: cortina: Count dropped frames as NAPI work net: ethernet: cortina: Count RX drops once per frame net: ethernet: cortina: Count RX descriptors for freeq refill drivers/net/ethernet/cortina/gemini.c | 77 +++++++++++++++++++++-------------- 1 file changed, 47 insertions(+), 30 deletions(-) --- base-commit: cee9395acd8043be0644b25c34bfa86623f2b935 change-id: 20260901-gemini-ethernet-fixes-e6d2e7c53c1b Best regards, -- Linus Walleij