From patchwork Sat Oct 7 17:21:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 13412451 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 78CC118C32 for ; Sat, 7 Oct 2023 17:28:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=salutedevices.com header.i=@salutedevices.com header.b="TzVotlkm" Received: from mx1.sberdevices.ru (mx1.sberdevices.ru [37.18.73.165]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 24F1783; Sat, 7 Oct 2023 10:28:49 -0700 (PDT) Received: from p-infra-ksmg-sc-msk01 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id C0D28100005; Sat, 7 Oct 2023 20:28:45 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru C0D28100005 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1696699725; bh=KFEkqOqupYYt+5NP2KNyZqpHQQiyvOKt0Dx7aRXPaMo=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=TzVotlkmy+d4Xqi6SJk8Dl5lsZs6q6oKMejTxbDTFT8duv7nFL1SdZ9vfjkADBq0z QOEWp3pUJ3hfGTdoK2L00j4kxfY8A+8H0JLwZW0op4BncGh1JxvklGyYTyA0FBwL7b YaHYDkyn7dcnTMldOTdAQWntRyvNjnS+3PxN9W18GEY9Uj0EfBLOtjqqKPfMdOMJ+T Hqs8VrClr/tx+y4xop1CrhSIjDrR5vn7Zw3D8aOrzufTonklco/I0Lici3Ktj1f0Vn fllvitVNVbTsl9RLCekGt2kS80CjNypPrKiZb584RFwZRqnFSLjHAPXjJSjR3byQ+O uEUVED65wBw7Q== Received: from p-i-exch-sc-m01.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Sat, 7 Oct 2023 20:28:45 +0300 (MSK) Received: from localhost.localdomain (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Sat, 7 Oct 2023 20:28:45 +0300 From: Arseniy Krasnov To: Stefan Hajnoczi , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Michael S. Tsirkin" , Jason Wang , Bobby Eshleman CC: , , , , , , Subject: [PATCH net-next v3 00/12] vsock/virtio: continue MSG_ZEROCOPY support Date: Sat, 7 Oct 2023 20:21:27 +0300 Message-ID: <20231007172139.1338644-1-avkrasnov@salutedevices.com> X-Mailer: git-send-email 2.35.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 180453 [Oct 07 2023] X-KSMG-AntiSpam-Version: 6.0.0.2 X-KSMG-AntiSpam-Envelope-From: avkrasnov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 535 535 da804c0ea8918f802fc60e7a20ba49783d957ba2, {Tracking_uf_ne_domains}, {Tracking_from_domain_doesnt_match_to}, lore.kernel.org:7.1.1;salutedevices.com:7.1.1;100.64.160.123:7.1.2;127.0.0.199:7.1.2;p-i-exch-sc-m01.sberdevices.ru:7.1.1,5.0.1;git.kernel.org:7.1.1;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean, bases: 2023/10/07 16:25:00 X-KSMG-LinksScanning: Clean, bases: 2023/10/07 16:25:00 X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/10/07 16:48:00 #22085983 X-KSMG-AntiVirus-Status: Clean, skipped X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net X-Patchwork-Delegate: kuba@kernel.org Hello, this patchset contains second and third parts of another big patchset for MSG_ZEROCOPY flag support: https://lore.kernel.org/netdev/20230701063947.3422088-1-AVKrasnov@sberdevices.ru/ During review of this series, Stefano Garzarella suggested to split it for three parts to simplify review and merging: 1) virtio and vhost updates (for fragged skbs) (merged to net-next, see link below) 2) AF_VSOCK updates (allows to enable MSG_ZEROCOPY mode and read tx completions) and update for Documentation/. <-- this patchset 3) Updates for tests and utils. <-- this patchset Part 1) was merged: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=71b263e79370348349553ecdf46f4a69eb436dc7 Head for this patchset is: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=91e43ca0090b5fd59302c3d150835299785f30ea Link to v1: https://lore.kernel.org/netdev/20230922052428.4005676-1-avkrasnov@salutedevices.com/ Link to v2: https://lore.kernel.org/netdev/20230930210308.2394919-1-avkrasnov@salutedevices.com/ Changelog: v1 -> v2: * Patchset rebased and tested on new HEAD of net-next (see hash above). * See per-patch changelog after ---. v2 -> v3: * Patchset rebased and tested on new HEAD of net-next (see hash above). * See per-patch changelog after ---. Arseniy Krasnov (12): vsock: set EPOLLERR on non-empty error queue vsock: read from socket's error queue vsock: check for MSG_ZEROCOPY support on send vsock: enable SOCK_SUPPORT_ZC bit vhost/vsock: support MSG_ZEROCOPY for transport vsock/virtio: support MSG_ZEROCOPY for transport vsock/loopback: support MSG_ZEROCOPY for transport vsock: enable setting SO_ZEROCOPY docs: net: description of MSG_ZEROCOPY for AF_VSOCK test/vsock: MSG_ZEROCOPY flag tests test/vsock: MSG_ZEROCOPY support for vsock_perf test/vsock: io_uring rx/tx tests Documentation/networking/msg_zerocopy.rst | 13 +- drivers/vhost/vsock.c | 7 + include/linux/socket.h | 1 + include/net/af_vsock.h | 7 + include/uapi/linux/vm_sockets.h | 12 + net/vmw_vsock/af_vsock.c | 63 +++- net/vmw_vsock/virtio_transport.c | 7 + net/vmw_vsock/vsock_loopback.c | 6 + tools/testing/vsock/.gitignore | 1 + tools/testing/vsock/Makefile | 9 +- tools/testing/vsock/msg_zerocopy_common.h | 92 ++++++ tools/testing/vsock/util.c | 110 +++++++ tools/testing/vsock/util.h | 5 + tools/testing/vsock/vsock_perf.c | 80 ++++- tools/testing/vsock/vsock_test.c | 16 + tools/testing/vsock/vsock_test_zerocopy.c | 367 ++++++++++++++++++++++ tools/testing/vsock/vsock_test_zerocopy.h | 15 + tools/testing/vsock/vsock_uring_test.c | 350 +++++++++++++++++++++ 18 files changed, 1145 insertions(+), 16 deletions(-) create mode 100644 tools/testing/vsock/msg_zerocopy_common.h create mode 100644 tools/testing/vsock/vsock_test_zerocopy.c create mode 100644 tools/testing/vsock/vsock_test_zerocopy.h create mode 100644 tools/testing/vsock/vsock_uring_test.c