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{ "id": 631, "url": "http://patches.dpdk.org/api/covers/631/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20240208190827.332368-1-stephen@networkplumber.org/", "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": "<20240208190827.332368-1-stephen@networkplumber.org>", "list_archive_url": "https://inbox.dpdk.org/dev/20240208190827.332368-1-stephen@networkplumber.org", "date": "2024-02-08T19:05:48", "name": "[v4,0/7] net/tap: queue flow action RSS using BPF redo", "submitter": { "id": 27, "url": "http://patches.dpdk.org/api/people/27/?format=api", "name": "Stephen Hemminger", "email": "stephen@networkplumber.org" }, "mbox": "http://patches.dpdk.org/project/dpdk/cover/20240208190827.332368-1-stephen@networkplumber.org/mbox/", "series": [ { "id": 31058, "url": "http://patches.dpdk.org/api/series/31058/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=31058", "date": "2024-02-08T19:05:48", "name": "net/tap: queue flow action RSS using BPF redo", "version": 4, "mbox": "http://patches.dpdk.org/series/31058/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/631/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 85CAB43AB4;\n\tThu, 8 Feb 2024 20:08:32 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id E6AC242DF9;\n\tThu, 8 Feb 2024 20:08:31 +0100 (CET)", "from mail-pf1-f176.google.com (mail-pf1-f176.google.com\n [209.85.210.176])\n by mails.dpdk.org (Postfix) with ESMTP id 04E56402D1\n for <dev@dpdk.org>; Thu, 8 Feb 2024 20:08:29 +0100 (CET)", "by mail-pf1-f176.google.com with SMTP id\n d2e1a72fcca58-6da202aa138so122481b3a.2\n for <dev@dpdk.org>; Thu, 08 Feb 2024 11:08:29 -0800 (PST)", "from hermes.lan (204-195-123-141.wavecable.com. [204.195.123.141])\n by smtp.gmail.com with ESMTPSA id\n z1-20020aa79901000000b006e053e98e1csm79951pff.136.2024.02.08.11.08.28\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Thu, 08 Feb 2024 11:08:28 -0800 (PST)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1707419309;\n x=1708024109; 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=qPjaLB2M0tVgFq+C8n/CDu4++R2alvqdATFtHvga98E=;\n b=Jv+UtrOnJwpE5OHDeAD/VQQRjBMS7ZySXouE7ZrpZVKe+5NAHKz2OTszQLQHl8h/a8\n T6QxCg/oCWunpU7zhaHJS2p2pqkPPuJw/7qAS+hFDua3DMlGvXSns8vHSdCICXW3qQDG\n BLoPfksDOJj5Ei865OVTWXxtfW/fSIgAHigfHmAZZS2skdgBEBqeexh9OFutGBVMhagT\n W3OQQ67i0hN6/jNMG9v+LiaU5s3gdoryQcIxsQGpsLSnNfNwf2dI0w8M4KjL2KpYQTMy\n GbdvhxAEezw5cyT3nKJ/yI8K8ZXjgDwnx+LLkmv4KpJpyjiblErHqAaXPK87QNjkKgru\n c+0A==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1707419309; x=1708024109;\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=qPjaLB2M0tVgFq+C8n/CDu4++R2alvqdATFtHvga98E=;\n b=RmJB+348AKjwtNjx0bcacCL6SLd7C9KyWlvf86fDJcv/wn9dWTEqnJWFkPUX3OP43E\n rbFHaAn0vblFK+SPr+kphxry7apBclE6IWBhOlD48kXQUuYJweAgUw1QJPWiMk4bc68c\n chYEVBg90zvHEl+qR0MzETPQLdf24cR5rVlpenvcFsqQiNt2j5hmXU3Q0r7FxAtZnqs2\n /uynGQoWWdnl/OII8vn89kCay9rQP/++S6aAOyFQfhuNDYvoY8wJd3DWrbeArZUj47xf\n ncnBHZ6Qqz7BNmjPS2CtGouNp2kNzs0Q2w8hvuUMHR+xLFAvVQTHJGK/jZYvmSHZMo+C\n rBjA==", "X-Gm-Message-State": "AOJu0YyxaJffNSAdVT4hdKnHXOxnj1UXDqDu7GL8X3E/pHe6BK79lcDn\n eHWJwnUU/JORyb1cBBhch4aoKfPXLaCGq3niEVzL9jhQ3NZp1Xdgo0q9hClHCc5Zp5clCPkucNu\n kVQU=", "X-Google-Smtp-Source": "\n AGHT+IE2auqFMFt7YYbSwbDGjZ900nml4RFQFtaVOTq2RAN71vFkq4QgULQXrKyCb8Buh9tKs5ZYpQ==", "X-Received": "by 2002:a05:6a00:410f:b0:6de:3521:b3c2 with SMTP id\n bu15-20020a056a00410f00b006de3521b3c2mr229663pfb.11.1707419308979;\n Thu, 08 Feb 2024 11:08:28 -0800 (PST)", "From": "Stephen Hemminger <stephen@networkplumber.org>", "To": "dev@dpdk.org", "Cc": "Stephen Hemminger <stephen@networkplumber.org>", "Subject": "[PATCH v4 0/7] net/tap: queue flow action RSS using BPF redo", "Date": "Thu, 8 Feb 2024 11:05:48 -0800", "Message-ID": "<20240208190827.332368-1-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.\nThe build process checks for the required components\nand if not there will stub out to not supported.\n\nThis patch series is mostly the same as the original RFC,\nmost of the changes are to split it up and always build\nthe BPF from source.\n\nv4 - remove accidental inclusion of tap_bpf_program.o\n split number of queues from the number of RSS queue flows\n define number of queues one place\n\nStephen Hemminger (7):\n net/tap: remove unused RSS hash types\n net/tap: validate and setup parameters for BPF RSS\n tap: stop \"vendoring\" linux bpf headers\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 MAINTAINERS: add maintainer for TAP device\n\n .gitignore | 3 -\n MAINTAINERS | 1 +\n drivers/net/tap/bpf/Makefile | 19 -\n drivers/net/tap/bpf/README | 12 +\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 | 82 ++\n drivers/net/tap/bpf/tap_bpf_program.c | 255 ----\n drivers/net/tap/bpf/tap_rss.c | 272 ++++\n drivers/net/tap/meson.build | 29 +-\n drivers/net/tap/rte_eth_tap.c | 2 +\n drivers/net/tap/rte_eth_tap.h | 9 +-\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 | 521 +++-----\n drivers/net/tap/tap_flow.h | 16 +-\n drivers/net/tap/tap_rss.h | 21 +-\n drivers/net/tap/tap_tcmsgs.h | 4 +-\n 20 files changed, 543 insertions(+), 3172 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" }