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{ "id": 906, "url": "https://patches.dpdk.org/api/covers/906/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/cover/20240502025201.28322-1-stephen@networkplumber.org/", "project": { "id": 1, "url": "https://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": "<20240502025201.28322-1-stephen@networkplumber.org>", "list_archive_url": "https://inbox.dpdk.org/dev/20240502025201.28322-1-stephen@networkplumber.org", "date": "2024-05-02T02:49:19", "name": "[v11,0/9] net/tap fix RSS (BPF) flow support", "submitter": { "id": 27, "url": "https://patches.dpdk.org/api/people/27/?format=api", "name": "Stephen Hemminger", "email": "stephen@networkplumber.org" }, "mbox": "https://patches.dpdk.org/project/dpdk/cover/20240502025201.28322-1-stephen@networkplumber.org/mbox/", "series": [ { "id": 31862, "url": "https://patches.dpdk.org/api/series/31862/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=31862", "date": "2024-05-02T02:49:19", "name": "net/tap fix RSS (BPF) flow support", "version": 11, "mbox": "https://patches.dpdk.org/series/31862/mbox/" } ], "comments": "https://patches.dpdk.org/api/covers/906/comments/", "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 476CB43F63;\n\tThu, 2 May 2024 04:52:13 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id BCB29402C0;\n\tThu, 2 May 2024 04:52:12 +0200 (CEST)", "from mail-oi1-f180.google.com (mail-oi1-f180.google.com\n [209.85.167.180])\n by mails.dpdk.org (Postfix) with ESMTP id 995204026F\n for <dev@dpdk.org>; Thu, 2 May 2024 04:52:11 +0200 (CEST)", "by mail-oi1-f180.google.com with SMTP id\n 5614622812f47-3c70e46f3caso4484850b6e.2\n for <dev@dpdk.org>; Wed, 01 May 2024 19:52:11 -0700 (PDT)", "from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226])\n by smtp.gmail.com with ESMTPSA id\n z19-20020aa78893000000b006ecfc3a8d6csm104818pfe.124.2024.05.01.19.52.10\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Wed, 01 May 2024 19:52:10 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1714618331;\n x=1715223131; darn=dpdk.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:from:to:cc:subject:date\n :message-id:reply-to;\n bh=OVbi1zmyumSfMi8Dc1B15n6XN/y5kGWZ26E+23cAJUk=;\n b=yVz75EnxPg0NBqAXbnnjY2wXD5OrMN25MXrcUiioNP9nM2fJqpCbSG7K4bsVBbZ2o4\n 1VrJOy3WTKB6koQ172PtNoKUt0B7xKRyqL9ZFtUKM6kNkV9lrlusQ/0Mw/HKVKk9h+4d\n jZ9Jvg6oUNxQQTz3e7wi7f2UwcCYV6bM6psYWqHKEDFDr4uHYaA3ex4JX4iuAQJvdEmq\n 0AicOZVc21r9iqK2/T0tkUaX04wGUzTQfmXpO/C3qmHnbPybwYgr8dk76BCIpddyczve\n S6qSH9baTNkx1N7Q7C7MZux/Lyxx0WcMegR/cY/2d8iOIlyOnE307q6n/QoNCMFyULKZ\n DJyw==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1714618331; x=1715223131;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc\n :subject:date:message-id:reply-to;\n bh=OVbi1zmyumSfMi8Dc1B15n6XN/y5kGWZ26E+23cAJUk=;\n b=hGISWnQZPJxEUkzb8KjC9MounzYT65Q1jEx6QxxBoA/4trlSGbsP3jO++r8s9X3LoJ\n YZZHiXllq7hcBtBMFhZxfpqZZ9NhTBfhyGhrjq06i412Exq1X6AVyxKeSDuCTNfMrPcd\n KF7BOkvof9msAf7oZx+M2+TmBdPV7uTQTRNeYPBjugtjitgQSn+PW4CdxssUk6Y6YvcX\n Xzlv9jcDV+GDhdv5+WigJanfXJMFldUrHKHDLKJ0ncVcN1IRH4YEh0uuRZazFQd8BNjr\n o+Ni0oa3qRNiQK83XEFwc48l2rGIXBoYFcEfZWdzPZf/zR0Clfc80CLnk71iKt6UIgpi\n +xaA==", "X-Gm-Message-State": "AOJu0Yzk/ON2M8OYcO8kCiiLRmboWBjib0+WKVJIxBY3D2tk4FLEaxkL\n sDjYg3OPohn8lCZhUX+TzFn+CFTaEnCCYjo/54hfIYsshIWGgiN1ZoInA2sZoO+Id8KTx/P9gGm\n Zoz8=", "X-Google-Smtp-Source": "\n AGHT+IGQ4EyHJn5HB8SX7EHU9beGXNmm/eMZ5GOuKHSkEao+rsUgF/liF3RsGv4Nvxilm5cAuwB85w==", "X-Received": "by 2002:a05:6808:13d1:b0:3c7:443f:1ae7 with SMTP id\n d17-20020a05680813d100b003c7443f1ae7mr1023563oiw.58.1714618330839;\n Wed, 01 May 2024 19:52:10 -0700 (PDT)", "From": "Stephen Hemminger <stephen@networkplumber.org>", "To": "dev@dpdk.org", "Cc": "Stephen Hemminger <stephen@networkplumber.org>", "Subject": "[PATCH v11 0/9] net/tap fix RSS (BPF) flow support", "Date": "Wed, 1 May 2024 19:49:19 -0700", "Message-ID": "<20240502025201.28322-1-stephen@networkplumber.org>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20240130034925.44869-1-stephen@networkplumber.org>", "References": "<20240130034925.44869-1-stephen@networkplumber.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "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" }, "content": "The support of doing RSS for rte_flow_action was a cool idea\nbut it has been broken for several releases of DPDK as the\nkernel and BPF infrastructure changed.\n\nThis series cleans up the BPF program, implements several\nfeatures that were never completed in the original code\nand changes to use the current BPF toolchain.\n\nThe result should be easier to read and maintain. I do not\nintend to support backporting this to stable releases due\nto lack of demand and dealing with older distros.\n\nv11 - checkpatch and review comments\n add bugzilla id's\n\nStephen Hemminger (9):\n net/tap: do not duplicate fd's\n net/tap: remove unused fields\n net/tap: validate and setup parameters for BPF RSS\n net/tap: do not build flow support if header is out of date\n net/tap: rewrite the RSS BPF program\n net/tap: use libbpf to load new BPF program\n net/tap: remove no longer used files\n net/tap: simplify internals\n net/tap: update documentation\n\n .gitignore | 3 -\n doc/guides/nics/tap.rst | 274 ++--\n doc/guides/rel_notes/release_24_07.rst | 7 +\n drivers/net/tap/bpf/Makefile | 19 -\n drivers/net/tap/bpf/README | 49 +\n drivers/net/tap/bpf/bpf_api.h | 276 ----\n drivers/net/tap/bpf/bpf_elf.h | 53 -\n drivers/net/tap/bpf/bpf_extract.py | 86 --\n drivers/net/tap/bpf/meson.build | 107 ++\n drivers/net/tap/bpf/tap_bpf_program.c | 255 ----\n drivers/net/tap/bpf/tap_rss.c | 267 ++++\n drivers/net/tap/meson.build | 42 +-\n drivers/net/tap/rte_eth_tap.c | 334 ++---\n drivers/net/tap/rte_eth_tap.h | 32 +-\n drivers/net/tap/tap_bpf.h | 121 --\n drivers/net/tap/tap_bpf_api.c | 190 ---\n drivers/net/tap/tap_bpf_insns.h | 1743 ------------------------\n drivers/net/tap/tap_flow.c | 557 ++------\n drivers/net/tap/tap_flow.h | 17 +-\n drivers/net/tap/tap_intr.c | 7 +-\n drivers/net/tap/tap_rss.h | 21 +-\n drivers/net/tap/tap_tcmsgs.h | 4 +-\n 22 files changed, 881 insertions(+), 3583 deletions(-)\n delete mode 100644 drivers/net/tap/bpf/Makefile\n create mode 100644 drivers/net/tap/bpf/README\n delete mode 100644 drivers/net/tap/bpf/bpf_api.h\n delete mode 100644 drivers/net/tap/bpf/bpf_elf.h\n delete mode 100644 drivers/net/tap/bpf/bpf_extract.py\n create mode 100644 drivers/net/tap/bpf/meson.build\n delete mode 100644 drivers/net/tap/bpf/tap_bpf_program.c\n create mode 100644 drivers/net/tap/bpf/tap_rss.c\n delete mode 100644 drivers/net/tap/tap_bpf.h\n delete mode 100644 drivers/net/tap/tap_bpf_api.c\n delete mode 100644 drivers/net/tap/tap_bpf_insns.h" }