From patchwork Wed Jul 19 10:27:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Breno Leitao X-Patchwork-Id: 12268 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:c923:0:b0:3e4:2afc:c1 with SMTP id j3csp2342939vqt; Wed, 19 Jul 2023 03:41:45 -0700 (PDT) X-Google-Smtp-Source: APBJJlHAMvW6wYK/SQV1vtZIVqzu1Kv5C1k6Te7HUNATnomC7ncwHza7x59tXnHDtWHc4ASEh8Tl X-Received: by 2002:a17:902:b68c:b0:1bb:59da:77f8 with SMTP id c12-20020a170902b68c00b001bb59da77f8mr131637pls.48.1689763305346; Wed, 19 Jul 2023 03:41:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1689763305; cv=none; d=google.com; s=arc-20160816; b=ROKFfTRUglq426CIcUW2yHabUQbG6/id+36syampIYYqbg5AtSEehOX+qQ1gWYlsZe wkoCh5DxLyYdH3mZLE35fYX733gzIFDq5P6A/cHUKFdd43mdCZJL1pkzZ3+Vj2IgFgdl r6GyCC+jUNgbarm5qmEuiCnmFWLbb0uesfdGZMZH24RFdz/KL9nJhbbiddgnPMBX8vOH eofBM4sWwFNIsH8wSzshR0cpWSsbl3uaMcQys/U2KZQhBOArvzDyWfMslimqvzV7dLpJ TyYq1TQ0Dl1OycCfNVFoqneesqKmX+L6rMwNHYsS6v6h1tJ2Pp5Ck8o2jmF9/qczk8fQ +vLQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=cOBlb2uZSaoprD5zYhFtl37js7STcjBByS+3b2Fr22Q=; fh=5HB2oHcWPycUEd6i2RgRZp6UNgDlvuYe3rlVRPiz3LY=; b=jCiuikeShsFMZHPry1/9x5YT5glfQfw4X8GTMOM+Dqw1wUKlsD/feWHrfw+k29XzMt YvmxXid3wSVtagKmgk6vk2jIsV/a8g0TQ8An+mr1dvReGgdhrv0XuWHRB44iMX6lrq5q pH2ZctTGirHlLQFkBCaL8l9X2Dxhnva3Q74dHRnkMmbPWbrJNap8lgHDaoMBBuOKA78A Kc9sxpzZGsK1IcU2aQdL41J6fxZvUR1CzuEN0VlSNy0mWr8GU4BMTrY3J/HWOoli+04j vUiEBZqcdf+c6G4oEBTPhLhBqxmxaotZ2ZYVRh/9VIKhxaibMEQkb+K3z/GZPnmJIbkp hpKw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id q7-20020a170902f78700b001b89cc9cdcesi3246667pln.319.2023.07.19.03.41.31; Wed, 19 Jul 2023 03:41:45 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231340AbjGSK31 (ORCPT + 99 others); Wed, 19 Jul 2023 06:29:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231451AbjGSK3N (ORCPT ); Wed, 19 Jul 2023 06:29:13 -0400 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4CF47E4D; Wed, 19 Jul 2023 03:28:39 -0700 (PDT) Received: by mail-wm1-f53.google.com with SMTP id 5b1f17b1804b1-3fbfcc6daa9so62438345e9.3; Wed, 19 Jul 2023 03:28:39 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689762475; x=1692354475; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=cOBlb2uZSaoprD5zYhFtl37js7STcjBByS+3b2Fr22Q=; b=mHFoorMg6VVQgrLB4kFGsJLqLt4Nj9Z7DHB5Oh93VvMl6RJ8zdAiKH7yxwTraSDaCt 7rHwHr5I197Q5P2nbiwzdhjBlrIEy9KtY2NDQDyyCxoEiARYIyFJYYPC/n5fsvp3RXKR fHZuKgwMckVBtyu9vOFtc6HmZR2xRDxgSxwnQhPAETD5G70BW7R5uZVrithD9o9K5U6K dwqS8mz1wagk4FXipbRZUj3g8ui8S28wkq/XGYXx2Ejury9lPR0JlAtesb52Dd03+8IK NVavkXE7sVkMCgn1o0W60bOSkN1JM/9fm3PgPGq3GadsCSKn5078BvaTauBKPck3QEXM LQow== X-Gm-Message-State: ABy/qLZrb3ft8h6BXlBUPi5F7R/9iIGZfqoQvgw8cM6/NG0ko1Lryfm8 e40Anu9LiX+TJNJiQvHOwVc= X-Received: by 2002:a7b:c5c8:0:b0:3fc:4:a5b5 with SMTP id n8-20020a7bc5c8000000b003fc0004a5b5mr1554891wmk.29.1689762475274; Wed, 19 Jul 2023 03:27:55 -0700 (PDT) Received: from localhost (fwdproxy-cln-016.fbsv.net. [2a03:2880:31ff:10::face:b00c]) by smtp.gmail.com with ESMTPSA id l3-20020a05600012c300b00313fd294d6csm5012397wrx.7.2023.07.19.03.27.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Jul 2023 03:27:54 -0700 (PDT) From: Breno Leitao To: asml.silence@gmail.com, axboe@kernel.dk Cc: io-uring@vger.kernel.org, netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, edumazet@google.com, pabeni@redhat.com, linux-kernel@vger.kernel.org Subject: [RFC PATCH 0/3] io_uring: Initial support for {s,g}etsockopt commands Date: Wed, 19 Jul 2023 03:27:34 -0700 Message-Id: <20230719102737.2513246-1-leitao@debian.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771845247520245383 X-GMAIL-MSGID: 1771845247520245383 This patchset adds support for SOL_SOCKET level getsockopt and setsockopt in io_uring, using the command op. SOL_SOCKET seems to be the most common level parameter for get/setsockopt(2). This implementation benefits from the work done to leverage sockptr_t in SOL_SOCKET path. For getsockopt command, the optlen field is not a userspace pointers, but an absolute value, so this is slightly different from getsockopt(2) behaviour. The updated value is returned in cqe->res. If this approach is good enough, I am planning to extend the support for those "levels" that have already implemented sockptr_t support This patch was tested with a new test[1] in liburing. This patch depends on "io_uring: Add io_uring command support for sockets"[2] [1] Link: https://github.com/leitao/liburing/blob/getsock/test/socket-getsetsock-cmd.c [2] Link: https://lore.kernel.org/all/20230627134424.2784797-1-leitao@debian.org/ Breno Leitao (3): net: expose sock_use_custom_sol_socket io_uring/cmd: Add support for getsockopt command io_uring/cmd: Add support for set_sockopt include/linux/net.h | 5 ++++ include/uapi/linux/io_uring.h | 8 ++++++ io_uring/uring_cmd.c | 51 +++++++++++++++++++++++++++++++++++ net/socket.c | 5 ---- 4 files changed, 64 insertions(+), 5 deletions(-)