From nobody Tue Feb 10 00:57:40 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33A42C0015E for ; Sat, 1 Jul 2023 06:40:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230455AbjGAGk3 (ORCPT ); Sat, 1 Jul 2023 02:40:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229919AbjGAGjj (ORCPT ); Sat, 1 Jul 2023 02:39:39 -0400 Received: from mx1.sberdevices.ru (mx2.sberdevices.ru [45.89.224.132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 707504230; Fri, 30 Jun 2023 23:39:33 -0700 (PDT) Received: from p-infra-ksmg-sc-msk02 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id B6EB8120015; Sat, 1 Jul 2023 09:28:50 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru B6EB8120015 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1688192930; bh=/zPSdfUGbdjD3WsNJ+2VRQman2eX/Wi/L4491xiMsn8=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=XeiUz6z8OFifNh3zimAno63/Bw/k8RpV0A9NPKs+Sytm+fqRWusR47ky9AdkOaMUL k/ujvy7fAYTN1CdbZ/o0fETmkCXszW2sJdhDZS515C6Wjz9IEAHGwCA05mItWtjubZ RSZ09D3j6KZaOlrhxygDQgQBFdux+Fz4pGHDrHRFCAiZRIpQBBS/3VEStHba5qT8/1 ewC3dai3Vk3NdAaIFZGRLPqH4H781OID3Dm9cyC+/T/KdM43TCsbglOKxcdeqimsNO ay7xhHNdydb0Oo7Xn6U2H5x/7+n8kJsq0HPb8Bml3J+jluK8OcpObdJnRfesRu/WoQ Sg+iDRiqSGDAA== 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, 1 Jul 2023 09:28:49 +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, 1 Jul 2023 09:28:24 +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: , , , , , , , Arseniy Krasnov Subject: [RFC PATCH v5 11/17] vsock/virtio: support MSG_ZEROCOPY for transport Date: Sat, 1 Jul 2023 09:23:04 +0300 Message-ID: <20230701062310.3397129-12-AVKrasnov@sberdevices.ru> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20230701062310.3397129-1-AVKrasnov@sberdevices.ru> References: <20230701062310.3397129-1-AVKrasnov@sberdevices.ru> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: 178380 [Jun 30 2023] X-KSMG-AntiSpam-Version: 5.9.59.0 X-KSMG-AntiSpam-Envelope-From: AVKrasnov@sberdevices.ru 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: 517 517 b0056c19d8e10afbb16cb7aad7258dedb0179a79, {Tracking_from_domain_doesnt_match_to}, sberdevices.ru:5.0.1,7.1.1;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;p-i-exch-sc-m01.sberdevices.ru:5.0.1,7.1.1;127.0.0.199:7.1.2;100.64.160.123:7.1.2, FromAlignment: s, {Tracking_white_helo}, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/07/01 00:58:00 #21597365 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add 'msgzerocopy_allow()' callback for virtio transport. Signed-off-by: Arseniy Krasnov --- Changelog: v4 -> v5: * Move 'msgzerocopy_allow' right after seqpacket callbacks. net/vmw_vsock/virtio_transport.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transp= ort.c index 6cbb45bb12d2..8d3e9f441fa1 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -441,6 +441,11 @@ static void virtio_vsock_rx_done(struct virtqueue *vq) queue_work(virtio_vsock_workqueue, &vsock->rx_work); } =20 +static bool virtio_transport_msgzerocopy_allow(void) +{ + return true; +} + static bool virtio_transport_seqpacket_allow(u32 remote_cid); =20 static struct virtio_transport virtio_transport =3D { @@ -474,6 +479,8 @@ static struct virtio_transport virtio_transport =3D { .seqpacket_allow =3D virtio_transport_seqpacket_allow, .seqpacket_has_data =3D virtio_transport_seqpacket_has_data, =20 + .msgzerocopy_allow =3D virtio_transport_msgzerocopy_allow, + .notify_poll_in =3D virtio_transport_notify_poll_in, .notify_poll_out =3D virtio_transport_notify_poll_out, .notify_recv_init =3D virtio_transport_notify_recv_init, --=20 2.25.1