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{ "id": 76735, "url": "http://patches.dpdk.org/api/covers/76735/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20200907161606.10200-1-ciara.loftus@intel.com/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20200907161606.10200-1-ciara.loftus@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20200907161606.10200-1-ciara.loftus@intel.com", "date": "2020-09-07T16:16:05", "name": "[0/1] net/af_xdp: shared UMEM support", "submitter": { "id": 144, "url": "http://patches.dpdk.org/api/people/144/?format=api", "name": "Loftus, Ciara", "email": "ciara.loftus@intel.com" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/20200907161606.10200-1-ciara.loftus@intel.com/mbox/", "series": [ { "id": 11997, "url": "http://patches.dpdk.org/api/series/11997/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=11997", "date": "2020-09-07T16:16:05", "name": "net/af_xdp: shared UMEM support", "version": 1, "mbox": "http://patches.dpdk.org/series/11997/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/76735/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 7A54FA04B1;\n\tMon, 7 Sep 2020 18:40:27 +0200 (CEST)", "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 5CFF11C0CF;\n\tMon, 7 Sep 2020 18:40:27 +0200 (CEST)", "from mga09.intel.com (mga09.intel.com [134.134.136.24])\n by dpdk.org (Postfix) with ESMTP id 920BF1B9B7\n for <dev@dpdk.org>; Mon, 7 Sep 2020 18:40:25 +0200 (CEST)", "from orsmga005.jf.intel.com ([10.7.209.41])\n by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 07 Sep 2020 09:40:24 -0700", "from silpixa00399839.ir.intel.com (HELO localhost.localdomain)\n ([10.237.222.142])\n by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 07 Sep 2020 09:40:23 -0700" ], "IronPort-SDR": [ "\n r85zR4pb5OV6IhBa8DQwLbNlcjRtgc8EpQs2h/PPmUdLMHMX+/UhGqV72+YdvDvHd/XPA/iny/\n PHk6g41xh+XQ==", "\n 3ZiD9TYgPyICQGdMN4T1hlIsLJmFZiUns7wD7Que0yMmDs4iDgElzTEQDVFvPiQEOpZhFQYzCN\n AsFBbSeX8huA==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6000,8403,9737\"; a=\"158999423\"", "E=Sophos;i=\"5.76,402,1592895600\"; d=\"scan'208\";a=\"158999423\"", "E=Sophos;i=\"5.76,402,1592895600\"; d=\"scan'208\";a=\"479693918\"" ], "X-Amp-Result": "SKIPPED(no attachment in message)", "X-Amp-File-Uploaded": "False", "From": "Ciara Loftus <ciara.loftus@intel.com>", "To": "dev@dpdk.org", "Cc": "Ciara Loftus <ciara.loftus@intel.com>", "Date": "Mon, 7 Sep 2020 16:16:05 +0000", "Message-Id": "<20200907161606.10200-1-ciara.loftus@intel.com>", "X-Mailer": "git-send-email 2.17.1", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "8bit", "Subject": "[dpdk-dev] [PATCH 0/1] net/af_xdp: shared UMEM support", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "This patch integrates support for shared UMEMs into the AF_XDP PMD.\nThe feature is currently available in the linux-next tree [1] and\nshould be available in the v5.10 kernel.\n\nDetailed information on the shared UMEM feature can be found in the\nkernel documentation.\n\nSupport for the kernel feature is detected in DPDK by querying the\nLINUX_KERNEL_VERSION and ensuring a kernel >= 5.10.0. Since this\nkernel is not yet released, if one wishes to test this patch now it\nis suggested to use the aforementioned linux-next tree and modify the\nversion check to align with the version of that tree. Once the kernel\nis released (~December) this will no longer be necessary.\n\n[1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=acabf32805f7\n\nCiara Loftus (1):\n net/af_xdp: shared UMEM support\n\n doc/guides/nics/af_xdp.rst | 6 +-\n drivers/net/af_xdp/compat.h | 10 +\n drivers/net/af_xdp/meson.build | 4 +\n drivers/net/af_xdp/rte_eth_af_xdp.c | 307 ++++++++++++++++++++++------\n 4 files changed, 260 insertions(+), 67 deletions(-)\n create mode 100644 drivers/net/af_xdp/compat.h" }