From patchwork Fri Jan 10 09:38:01 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Ghosh X-Patchwork-Id: 13934100 Received: from mx0b-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 7C4A31E3761; Fri, 10 Jan 2025 09:38:38 +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=1736501919; cv=none; b=FZApvWmrQhnbmeoI8xoqq+6TSUWKTob4Vn8n0vEENfiUxUQaeAfV4jZMzubdl91uD4HeUO1UzLJoaoGr2VA27VCUhY6VKy813yYcNnXQMOu6+TRLJsSPw//GK3QS/xSmde1GK7/Y1F6Xa+Fe0ko51QpNdwT+kH1xfhRRtXgOezk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736501919; c=relaxed/simple; bh=ZTcCtMHsnVdGEzFJmuWQKCSxIQgUYyk61zPoioPTEDU=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=rEbUmdkFmN6L1UwY0oJCfJuSplWBPwG2ukFn+W29r+Hvhq9I0jtregBQVrneZesTbGTWOHlj1/StNRkQKGPZwsR4qhKZLQq//jAoFRN4bW/1Em6qVx9CXmhOfH+dUsiT/IGqPYJzoXo2yKIOY9uNXygHqNUt2utgf+3Nxw2+2rs= 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=fsREf/6z; 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="fsREf/6z" Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 50A9bRpx005808; Fri, 10 Jan 2025 01:38:17 -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=BUUdAjW1kzBw/yHLlfywf7y 2XtKtJGS6J9Eyy3aw2pA=; b=fsREf/6zNfDq/EZEivP/Fgf0XaWobRyBR1gbtqQ c69p6ac13GSahh55jEMfV/hHalwRhJCPEH9YU9tlP9vzNQ8yk0maWtB26gf4/iQ7 0kAqtwFiFW1Fg49EXdEc81DD8yCcX90u4AZjcDw1XdtXuJtJ3GgYSIGndLHxrqpg 6cUAPmX8VWBcNKx75yEXOvb9lVU2SZLVpMzjiZ720vp3xj8hMK14I6P426wi5HOP firq8w+7ogaUd0h9a6ZxIXyTtDqxQq3e32ZmwOrIsU/L0UFa63EAz5AVE/0GWqJx 3OCIVapZiGxDfkSmZvDFHBOkVw2wTm8PEJbGeTD2XxpGVzQ== Received: from dc6wp-exch02.marvell.com ([4.21.29.225]) by mx0a-0016f401.pphosted.com (PPS) with ESMTPS id 44312qg02r-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 10 Jan 2025 01:38:17 -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; Fri, 10 Jan 2025 01:38:16 -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; Fri, 10 Jan 2025 01:38:16 -0800 Received: from localhost.localdomain (unknown [10.28.36.166]) by maili.marvell.com (Postfix) with ESMTP id 202A53F7084; Fri, 10 Jan 2025 01:38:09 -0800 (PST) From: Suman Ghosh To: , , , , , , , , , , , , , , , , , , , CC: Suman Ghosh Subject: [net-next PATCH v3 0/6] Add af_xdp support for cn10k Date: Fri, 10 Jan 2025 15:08:01 +0530 Message-ID: <20250110093807.2451954-1-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-ORIG-GUID: 7JB0I4WVoxQ-Q8zhyZIeMVldL-fLhLnj X-Proofpoint-GUID: 7JB0I4WVoxQ-Q8zhyZIeMVldL-fLhLnj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_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: Don't unmap page pool buffer used by XDP 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: Don't unmap page pool buffer used by XDP Hariprasad Kelam (2): Octeontx2-pf: Prepare for AF_XDP octeontx2-pf: AF_XDP zero copy transmit support Suman Ghosh (6): 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 v3 changes: - Rearrenged patch ordering to fix individual patch compilation issue - Fixed un-initialized variable declaration and reverse x-mas tree issue pointer 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 | 125 +++++++--- .../marvell/octeontx2/nic/otx2_common.h | 17 +- .../marvell/octeontx2/nic/otx2_ethtool.c | 6 +- .../ethernet/marvell/octeontx2/nic/otx2_pf.c | 33 ++- .../marvell/octeontx2/nic/otx2_txrx.c | 183 +++++++++++--- .../marvell/octeontx2/nic/otx2_txrx.h | 9 + .../ethernet/marvell/octeontx2/nic/otx2_vf.c | 12 +- .../ethernet/marvell/octeontx2/nic/otx2_xsk.c | 225 ++++++++++++++++++ .../ethernet/marvell/octeontx2/nic/otx2_xsk.h | 24 ++ .../ethernet/marvell/octeontx2/nic/qos_sq.c | 2 +- 12 files changed, 562 insertions(+), 82 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