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{ "id": 845, "url": "http://patches.dpdk.org/api/covers/845/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20240405211745.699697-1-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": "<20240405211745.699697-1-stephen@networkplumber.org>", "list_archive_url": "https://inbox.dpdk.org/dev/20240405211745.699697-1-stephen@networkplumber.org", "date": "2024-04-05T21:14:52", "name": "[v6,0/8] net/tap: cleanup and fix BPF flow support", "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/20240405211745.699697-1-stephen@networkplumber.org/mbox/", "series": [ { "id": 31694, "url": "http://patches.dpdk.org/api/series/31694/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=31694", "date": "2024-04-05T21:14:52", "name": "net/tap: cleanup and fix BPF flow support", "version": 6, "mbox": "http://patches.dpdk.org/series/31694/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/845/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 802AD43E0E;\n\tFri, 5 Apr 2024 23:17:57 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 47D40402CE;\n\tFri, 5 Apr 2024 23:17:57 +0200 (CEST)", "from mail-pg1-f182.google.com (mail-pg1-f182.google.com\n [209.85.215.182])\n by mails.dpdk.org (Postfix) with ESMTP id D3745402CE\n for <dev@dpdk.org>; Fri, 5 Apr 2024 23:17:56 +0200 (CEST)", "by mail-pg1-f182.google.com with SMTP id\n 41be03b00d2f7-5c66b093b86so2823979a12.0\n for <dev@dpdk.org>; Fri, 05 Apr 2024 14:17:56 -0700 (PDT)", "from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226])\n by smtp.gmail.com with ESMTPSA id\n r32-20020a17090a43a300b002a2f1e6f50bsm2137521pjg.1.2024.04.05.14.17.54\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Fri, 05 Apr 2024 14:17:55 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1712351876;\n x=1712956676; 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=vS4OYsJPJms+q3KVvjhXNZApKvI0/pOzDMzhtYred3I=;\n b=0buX+aRkrFQ3LyMTAVCb3xyux48rFSLzCo6QY4ceBp5xHZwjxq6OPZQauNqFevUmo7\n iVWDMBFJ0FL5AhRLxBS6zJbc0AFyhcK5DW9lDPK9QVftqmk+8gJaO+7LLMdHyWHTenyi\n +lIGqx5xhglXsSDq9NA2T+VK+Tc5gUFugqho1aQcJ5mIg1BKym3ntw3SajpIoj9fkvUU\n +4UwlpVk5SWgWkfl/GpTKzk/glatyM4JTeEqvM8Shg3aJsuI/MC9J3KbFyIwS1EHu1nW\n iztlEzF+M9Dwb9K69BJCPzQtBUqjjCkU5w1wGhFmUZpdKUhiL0q3pP41ZjDQEbpPH2C3\n LKMA==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1712351876; x=1712956676;\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=vS4OYsJPJms+q3KVvjhXNZApKvI0/pOzDMzhtYred3I=;\n b=Zn/mITzuJZa3JiMjYDXe1DekwVlEd+rZjvPMlcFg4drjqhOnA6pOJB/mLvEGn6D6zf\n MZj87AH9piHzkdsCtjNESaQSQiIwUz87Ns4feq5CajCXs7pS1Eqm5CY3y9mZukXqahor\n UGyOJvcT7//iGv73TnOgzRfAPVUT1Bp3GNKc/96JqPwHKpmP3sMPkBwY1LnEQQwam7xc\n DdzXO9SqP7DGCZzqb/Sel7Hgr6bx6Mhbf29JXD10C6qhV9shjRggq4FudbeW4yEFT+zv\n Z2G/gXU+K5CmvwA4KMziwxUfWRXXqR6k0k2DTFSVsKGGZVOyL8EXnqSkiGAs8BPtsrji\n SoKg==", "X-Gm-Message-State": "AOJu0Ywe4IOnQrNCvxcBtYqGe/14EIqjrf629xW9yDxu0eXhKOpz092+\n ImvwH34YP0U1qlxbFZohpqMxoGP+k0RWjbRaEcZfdB2tmY/mNO+LRTbe9kX/wcP8oxdd460/VVR\n D7PaHNg==", "X-Google-Smtp-Source": "\n AGHT+IEnSLyEUPUNxbh5nMagPFlUVQocT33T2m/9C0wOhtwN396pdFBRzzDCE+u4Ix/81bYnfFLN6g==", "X-Received": "by 2002:a17:90a:3906:b0:2a0:7895:f356 with SMTP id\n y6-20020a17090a390600b002a07895f356mr5023162pjb.12.1712351875843;\n Fri, 05 Apr 2024 14:17:55 -0700 (PDT)", "From": "Stephen Hemminger <stephen@networkplumber.org>", "To": "dev@dpdk.org", "Cc": "Stephen Hemminger <stephen@networkplumber.org>", "Subject": "[PATCH v6 0/8] net/tap: cleanup and fix BPF flow support", "Date": "Fri, 5 Apr 2024 14:14:52 -0700", "Message-ID": "<20240405211745.699697-1-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.\n\nv6 - don't build if missing TC flower, a kernel that\n old is not supported. But somebody will try.\n\n Use BPF CO:RE attribute wrapper to avoid kernel\n header skew.\n\nStephen Hemminger (8):\n net/tap: do not duplicate fd's\n doc: fix the requirements and building of TAP flow\n net/tap: remove unused fields\n net/tap: validate and setup parameters for BPF RSS\n net/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\n .gitignore | 3 -\n doc/guides/linux_gsg/sys_reqs.rst | 3 +\n doc/guides/nics/tap.rst | 95 +-\n drivers/net/tap/bpf/Makefile | 19 -\n drivers/net/tap/bpf/README | 38 +\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 | 39 +-\n drivers/net/tap/rte_eth_tap.c | 199 ++-\n drivers/net/tap/rte_eth_tap.h | 17 +-\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 | 549 ++------\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, 710 insertions(+), 3399 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" }