From patchwork Thu Feb 6 08:50:28 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Ghosh X-Patchwork-Id: 13962634 Received: from mx0a-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) (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 D9F66214231; Thu, 6 Feb 2025 08:51:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.148.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738831882; cv=none; b=tGIVh5Cwm6+2mXL7bDy5sT9WDcd4TFTW06G/6urKMFKsN0aLWSmu1I+HeIoS43hQDWvQ3P/Kpyn/O19cuVSZqYsSMjy20amn/HVYct0MjSKLhlUJ/5WAvkECUzYdE3K3D8Nu2qMzrVbBXg+0wkZpbRWul1Q8l47HGpzqhQCMQ0U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738831882; c=relaxed/simple; bh=JKCmw5pDaLAFqBhIlO6NyYAjW5GUiLAiShjZy0hyb+k=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=m+dS2OUN4AIcY9hT3uqavOD+++ThIu3RkocN47GqZY85RFdfdiachNjle1IA2ANZS6n90k2sxrt/WhS0Mqz8Fr4hYXo2fXG91AmDcPsw0GnjQzwa70QNFUzBLCJzmFnQRnTewc1oNYEDmBRvzs2Suc0O0v8sfL0+NQqxyRFZfU8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com; spf=pass smtp.mailfrom=marvell.com; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b=gXq+X1H/; arc=none smtp.client-ip=67.231.148.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=marvell.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="gXq+X1H/" Received: from pps.filterd (m0431384.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5167MNjC015382; Thu, 6 Feb 2025 00:50:44 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= cc:content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to; s=pfpt0220; bh=CNVx3hFwqLKCf979AeskNWg 5bSvnmcY54EumXWb1M/o=; b=gXq+X1H/JjJsL54LSNoSa2dobN9W35Txcia+h5R aCyX9t+lwNEGdEUswczd/+Vu7lENQf07kYU4zWm0K/o/02xzn8MuZ87G770kjY53 k3Y67xpiqE6a09qEOLqvGW1OQYwjpUWL63dxzCN0zJ1tQJpxnYhdBS5R3tE/Jrp7 +JmcWoOPHmFnMy3uthHzOO6e5ql0TnGZ+rAAeCI5KMhQg/2PMxn1ILBaR+S79RP3 NI8BK1IJ3ct9BrJZiUiIfqWvUNh39homQ2ewrtd4jC9nO4l2fFmhzXZZyD+iyS4Y nlt5MD8dFtgEhRQRb8WoSc1x1b9m+ro9AMMmkXUyoFCLduw== Received: from dc6wp-exch02.marvell.com ([4.21.29.225]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 44mrmsg52d-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 06 Feb 2025 00:50:44 -0800 (PST) Received: from DC6WP-EXCH02.marvell.com (10.76.176.209) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Thu, 6 Feb 2025 00:50:43 -0800 Received: from maili.marvell.com (10.69.176.80) by DC6WP-EXCH02.marvell.com (10.76.176.209) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Thu, 6 Feb 2025 00:50:42 -0800 Received: from localhost.localdomain (unknown [10.28.36.166]) by maili.marvell.com (Postfix) with ESMTP id C9EBE3F705F; Thu, 6 Feb 2025 00:50:36 -0800 (PST) From: Suman Ghosh To: , , , , , , , , , , , , , , , , , , , , CC: Suman Ghosh Subject: [net-next PATCH v5 0/6] Add af_xdp support for cn10k Date: Thu, 6 Feb 2025 14:20:28 +0530 Message-ID: <20250206085034.1978172-1-sumang@marvell.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: 4ShNTj4w1nIx8zwGzM8JsMFX7eFQWgCv X-Proofpoint-ORIG-GUID: 4ShNTj4w1nIx8zwGzM8JsMFX7eFQWgCv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-02-06_02,2025-02-05_03,2024-11-22_01 X-Patchwork-Delegate: kuba@kernel.org This patchset includes changes to support AF_XDP for cn10k chipsets. Both non-zero copy and zero copy will be supported after these changes. Also, the RSS will be reconfigured once a particular receive queue is added/removed to/from AF_XDP support. Patch #1: octeontx2-pf: use xdp_return_frame() to free xdp buffers Patch #2: octeontx2-pf: Add AF_XDP non-zero copy support Patch #3: octeontx2-pf: AF_XDP zero copy receive support Patch #4: octeontx2-pf: Reconfigure RSS table after enabling AF_XDP zerocopy on rx queue Patch #5: octeontx2-pf: Prepare for AF_XDP transmit Patch #6: octeontx2-pf: AF_XDP zero copy transmit support Geetha sowjanya (1): octeontx2-pf: use xdp_return_frame() to free xdp buffers Hariprasad Kelam (2): octeontx2-pf: Prepare for AF_XDP octeontx2-pf: AF_XDP zero copy transmit support Suman Ghosh (3): octeontx2-pf: Add AF_XDP non-zero copy support octeontx2-pf: AF_XDP zero copy receive support octeontx2-pf: Reconfigure RSS table after enabling AF_XDP zerocopy on rx queue v5 changes: - Updated patch #1 to use xdp_return_frame - Updated patch #6 to use xdp_return_frame v4 changes: - Addressed minor comments from Paolo regarding adding fixes tag in patch#2 and removed one unnecessary NULL check from patch#3 v3 changes: - Rearrenged patch ordering to fix individual patch compilation issue - Fixed un-initialized variable declaration and reverse x-mas tree issue pointed by Simon v2 changes: - Addressed minor review comments from Simon regrading smatch warnings .../ethernet/marvell/octeontx2/nic/Makefile | 2 +- .../ethernet/marvell/octeontx2/nic/cn10k.c | 6 +- .../marvell/octeontx2/nic/otx2_common.c | 120 ++++++++-- .../marvell/octeontx2/nic/otx2_common.h | 17 +- .../marvell/octeontx2/nic/otx2_ethtool.c | 6 +- .../ethernet/marvell/octeontx2/nic/otx2_pf.c | 32 +-- .../marvell/octeontx2/nic/otx2_txrx.c | 191 +++++++++++---- .../marvell/octeontx2/nic/otx2_txrx.h | 9 + .../ethernet/marvell/octeontx2/nic/otx2_vf.c | 12 +- .../ethernet/marvell/octeontx2/nic/otx2_xsk.c | 226 ++++++++++++++++++ .../ethernet/marvell/octeontx2/nic/otx2_xsk.h | 24 ++ .../ethernet/marvell/octeontx2/nic/qos_sq.c | 2 +- 12 files changed, 557 insertions(+), 90 deletions(-) create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.c create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/otx2_xsk.h