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{ "id": 595, "url": "http://patches.dpdk.org/api/covers/595/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/cover/20240130034925.44869-1-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": "<20240130034925.44869-1-stephen@networkplumber.org>", "list_archive_url": "https://inbox.dpdk.org/dev/20240130034925.44869-1-stephen@networkplumber.org", "date": "2024-01-30T03:46:50", "name": "[RFC,0/2] net/tap RSS BPF rewrite", "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/20240130034925.44869-1-stephen@networkplumber.org/mbox/", "series": [ { "id": 30935, "url": "http://patches.dpdk.org/api/series/30935/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=30935", "date": "2024-01-30T03:46:50", "name": "net/tap RSS BPF rewrite", "version": 1, "mbox": "http://patches.dpdk.org/series/30935/mbox/" } ], "comments": "http://patches.dpdk.org/api/covers/595/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 04B3543A05;\n\tTue, 30 Jan 2024 04:49:38 +0100 (CET)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 854384029A;\n\tTue, 30 Jan 2024 04:49:38 +0100 (CET)", "from mail-pl1-f174.google.com (mail-pl1-f174.google.com\n [209.85.214.174])\n by mails.dpdk.org (Postfix) with ESMTP id B846340275\n for <dev@dpdk.org>; Tue, 30 Jan 2024 04:49:36 +0100 (CET)", "by mail-pl1-f174.google.com with SMTP id\n d9443c01a7336-1d7232dcb3eso16207235ad.2\n for <dev@dpdk.org>; Mon, 29 Jan 2024 19:49:36 -0800 (PST)", "from hermes.local (204-195-123-141.wavecable.com. [204.195.123.141])\n by smtp.gmail.com with ESMTPSA id\n ix6-20020a170902f80600b001d77a0e1374sm6150672plb.151.2024.01.29.19.49.34\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Mon, 29 Jan 2024 19:49:34 -0800 (PST)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1706586576;\n x=1707191376; darn=dpdk.org;\n h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n :to:from:from:to:cc:subject:date:message-id:reply-to;\n bh=sXzsb6u7j6jqIhkysF76nMRnYvM9fGGa2JzKQevhle4=;\n b=a7H1xWAldcuZdjp38eJEaKwGkAfiiR8/BETrig0+WmIf7Dr/KaEvoiM4Z1qV5TGsSS\n 1BismyTQ5WaAOieWVNToxXLuCDxN5JcfA+YbWHN3UNvWNYOgO+zaeZTV5BftnjWeoVrU\n 7Y/0+DsdTXnoJSVqEqJjzwx2TuAaFCLah3lgAZRyv5iB6pXyxm3RwlaFhTn34dDEToYD\n w7fWTveaVgd0bvRzNbStuQDj37tb8EjNh87p8XYjrd0WvgJJW+S6qdyQ9vFN4kf5cjXw\n l5VX2D3kigjaSpCSef/TkL/bAKcgxr7wz+pbvsH3K+ASzxKFSPlOurUGNcXGFWLsCo7I\n e46w==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20230601; t=1706586576; x=1707191376;\n h=content-transfer-encoding:mime-version:message-id:date:subject:cc\n :to:from:x-gm-message-state:from:to:cc:subject:date:message-id\n :reply-to;\n bh=sXzsb6u7j6jqIhkysF76nMRnYvM9fGGa2JzKQevhle4=;\n b=OHrwzhihciniFNUNu4j/awqLN/CCC17RSUnAYiPil+lF76YqmGvMF87ssAIJpfr6zh\n X6LYcNouYXoiS7yM7V/yKlDjilhbaZ8imqwQ/UnTtOWewpwt+2p9rfPKvyfJlZTAstqA\n zHCT9eQAUPb7w7uW2KGKaE4gDUsCQo0RicWJTaugr4MvsDK8ODEn1IfKwUYMmYX7y+jc\n hPS0oSIMOEKZ64kJlPSgFuPlJj8Wjz6x3hCq/Qa0oPMkGKX/TLmqPlmWDtmb3JGhTAMh\n vv0qULvL8z1d+XlnfZEy6Fk4CP3gAodkrUBZ8xCvUbNL2nEwXl6n+ZRTTJtRT41PnvC6\n lKTw==", "X-Gm-Message-State": "AOJu0YxBI/EoQjVQvAW9JZiAYG8pfDXyzbx29eARGtKLGPIdKGyydDHh\n tMhQjrrQXWAs+waq0fhpEYidN0vG9C3gPitn0RlJNJjLRCRFAlojvZ0jUxUqJ2OxF8rRrSSlGbk\n y394=", "X-Google-Smtp-Source": "\n AGHT+IHDLNrrk3ttjrqySm18csddGP3PcmONqFXZKBaiZDvDXa1jzdr9Zr3Q7r854YWZxIb2YZottQ==", "X-Received": "by 2002:a17:902:c3d1:b0:1d8:ef9d:7ced with SMTP id\n j17-20020a170902c3d100b001d8ef9d7cedmr2435640plj.26.1706586575533;\n Mon, 29 Jan 2024 19:49:35 -0800 (PST)", "From": "Stephen Hemminger <stephen@networkplumber.org>", "To": "dev@dpdk.org", "Cc": "Stephen Hemminger <stephen@networkplumber.org>", "Subject": "[RFC 0/2] net/tap RSS BPF rewrite", "Date": "Mon, 29 Jan 2024 19:46:50 -0800", "Message-ID": "<20240130034925.44869-1-stephen@networkplumber.org>", "X-Mailer": "git-send-email 2.43.0", "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": "This is a early (alpha) view of my recent work to\nto update (gut job) of the RSS handling in the\ntap device. The rework was so big that it did not\nmake sense to do it in incremental stages.\n\nOverall it comes out much simpler and cleaner.\nMuch more testing is needed, at this point it will\nload the program and try and setup filter (but fails).\n\nStephen Hemminger (2):\n tap: stop \"vendoring\" linux bpf headers\n tap: rework BPF handling\n\n .gitignore | 3 -\n drivers/net/tap/bpf/.gitignore | 2 +\n drivers/net/tap/bpf/Makefile | 21 +-\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/tap_bpf_program.c | 255 -\n drivers/net/tap/bpf/tap_rss.c | 269 +\n drivers/net/tap/meson.build | 26 +-\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 | 530 +-\n drivers/net/tap/tap_flow.h | 11 +-\n drivers/net/tap/tap_rss.h | 14 +-\n drivers/net/tap/tap_rss.skel.h | 11625 ++++++++++++++++++++++++\n drivers/net/tap/tap_rss.stub.h | 45 +\n 20 files changed, 12137 insertions(+), 3156 deletions(-)\n create mode 100644 drivers/net/tap/bpf/.gitignore\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 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\n create mode 100644 drivers/net/tap/tap_rss.skel.h\n create mode 100644 drivers/net/tap/tap_rss.stub.h" }