From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 881E22BF019 for ; Mon, 16 Jun 2025 13:45:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750081550; cv=none; b=BQka5RyM5U0hxX3q7GrnbWX7J+BZ47X92omzQJq3n2wUWdF6YOLKT3nAnAR0IBxmZ2N4mvN1v2aHzb6EtlvlDxUrJ5B/I6btE1VbFAG6ceqpB9NP1WxVC9B74QmGvYllIXtgVgR9bWxEBibjeZWfORwnQRKPXA4DSE2v1L8CBzU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750081550; c=relaxed/simple; bh=RTUvtWJIHeJfRXaRZvoP7GhruXdkJkNjDL2jCXJOtRE=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=jItNk1RfjKLh7IeW0VW6xq2h+BwdaTV3CW0Ym4IoT43wtfuAPzXW3m8J9+fXsJt1wBEazyG3p3et85fZc2eR2qky9vshfmSy1/MoZf9vSbthHc27dF3pgjqZoeMc4d41ncGm2gcala++QbqymFm3h5LF/BMRej/rHEyRYu8BLGc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EmWNsdkc; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EmWNsdkc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CB234C4CEEA; Mon, 16 Jun 2025 13:45:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750081550; bh=RTUvtWJIHeJfRXaRZvoP7GhruXdkJkNjDL2jCXJOtRE=; h=From:Subject:Date:To:Cc:From; b=EmWNsdkctCoADDzcTZHXywQyCBFhSrqhSKZJpPBH5SxlROx3RB2/NViPa/2ENnRKI utQKiSm5ix1t8G4Azb+NNH7SmhHq0oae2q/kA7O/OqEUtqHKQcd/hmvwa10ZHIuw4F 09njSbYfB+rAm3/1VXZZhkfdcoU5iwdTkw+FhNzLlDvYIqy6gwl1/zU50Mn5KhWQOW ZUTWtskPkTzJLG3ghhw6u25wm2jnqu1lP0cAFO9oqxSPg5MekIi3+Wx4pJ8QSK59Rm cRLIVNOl6DZaVH2C1HFToKgtkLeO/lbmuOcFVX7qa6CQ1T9tX69Wf1lzjCkl/Fq/Og OWpKq0cqnp1WA== From: Lorenzo Bianconi Subject: [PATCH net-next v2 0/2] net: airoha: Improve hwfd buffer/descriptor queues setup Date: Mon, 16 Jun 2025 15:45:39 +0200 Message-Id: <20250616-airoha-hw-num-desc-v2-0-bb328c0b8603@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=H4sIAAMgUGgC/22NwQrCMBBEf0X27EoSWls9+R/SQ0y2zaImstGql P67seDN45th3kyQSZgy7FcTCI2cOcUCZr0CF2wcCNkXBqNMrba6QsuSgsXwxPi4oqfsUOmdU01 pXWWgDG9CPb8W6bErHDjfk7yXj1F/05+u/qcbNSps+7b11lb25JvDmSTSZZNkgG6e5w+OKBOIt QAAAA== X-Change-ID: 20250614-airoha-hw-num-desc-019c07061c42 To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Lorenzo Bianconi Cc: linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org X-Mailer: b4 0.14.2 Compute the number of hwfd buffers/descriptors according to the reserved memory size if provided via DTS. Reduce the required hwfd buffers queue size for QDMA1. --- Changes in v2: - Rely on div_u64 to compute number of hw descriptors - Link to v1: https://lore.kernel.org/r/20250615-airoha-hw-num-desc-v1-0-8f88daa4abd7@kernel.org --- Lorenzo Bianconi (2): net: airoha: Compute number of descriptors according to reserved memory size net: airoha: Differentiate hwfd buffer size for QDMA0 and QDMA1 drivers/net/ethernet/airoha/airoha_eth.c | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) --- base-commit: 8909f5f4ecd551c2299b28e05254b77424c8c7dc change-id: 20250614-airoha-hw-num-desc-019c07061c42 Best regards, -- Lorenzo Bianconi