From patchwork Tue Oct 10 19:15:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseniy Krasnov X-Patchwork-Id: 13415929 X-Patchwork-Delegate: kuba@kernel.org 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 0800D29CE2 for ; Tue, 10 Oct 2023 19:23:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=salutedevices.com header.i=@salutedevices.com header.b="L3knppTI" Received: from mx1.sberdevices.ru (mx2.sberdevices.ru [45.89.224.132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7B183115; Tue, 10 Oct 2023 12:22:48 -0700 (PDT) Received: from p-infra-ksmg-sc-msk02 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 0059E120007; Tue, 10 Oct 2023 22:22:46 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 0059E120007 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1696965766; bh=dCmMfDl4psL+exObR1aC+n6gPquIX9oUuSgVLiUppTg=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=L3knppTIP3IWCqaHdES5a5H9Zmh0f0sz61wDX3DfOctvnC5gVYoUQcUkUTnUSjbDZ +425iB5PGpvc2F3WR6FkDxl8p7rjbn6onYs2yttK7lOXZYxEGpwx6p7A3/f+pY3dnF T/P303xrE3PlVwbXXy7zVbukWuKmnO5Sw0LG/NjTrChuEyIn8D4+zDk/uOfxLRR+Ms bfR6VCJCcW4fqnrAgHWDZMRvrfQNsAHWSdx8AzNzdlOLBNn5S/xzSgPetJ3S3nXTFd 4Gm+yVN8ru1ptOX6p9hVajBpEsr2faGkwJ2kQgH76j2QYKARAqxLMAM0EA9thgJs6G BdMt9slTCLoKw== 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; Tue, 10 Oct 2023 22:22:45 +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; Tue, 10 Oct 2023 22:22:45 +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 v4 04/12] vsock: enable SOCK_SUPPORT_ZC bit Date: Tue, 10 Oct 2023 22:15:16 +0300 Message-ID: <20231010191524.1694217-5-avkrasnov@salutedevices.com> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20231010191524.1694217-1-avkrasnov@salutedevices.com> References: <20231010191524.1694217-1-avkrasnov@salutedevices.com> 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-m02.sberdevices.ru (172.16.192.103) 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: 180515 [Oct 10 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: 536 536 1ae19c7800f69da91432b5e67ed4a00b9ade0d03, {Tracking_from_domain_doesnt_match_to}, 100.64.160.123:7.1.2;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;salutedevices.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 X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/10/10 16:15:00 #22148151 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,URIBL_BLOCKED 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 This bit is used by io_uring in case of zerocopy tx mode. io_uring code checks, that socket has this feature. This patch sets it in two places: 1) For socket in 'connect()' call. 2) For new socket which is returned by 'accept()' call. Signed-off-by: Arseniy Krasnov Reviewed-by: Stefano Garzarella --- net/vmw_vsock/af_vsock.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 71108b1f0dfc..37b1c0432941 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1406,6 +1406,9 @@ static int vsock_connect(struct socket *sock, struct sockaddr *addr, goto out; } + if (vsock_msgzerocopy_allow(transport)) + set_bit(SOCK_SUPPORT_ZC, &sk->sk_socket->flags); + err = vsock_auto_bind(vsk); if (err) goto out; @@ -1560,6 +1563,9 @@ static int vsock_accept(struct socket *sock, struct socket *newsock, int flags, } else { newsock->state = SS_CONNECTED; sock_graft(connected, newsock); + if (vsock_msgzerocopy_allow(vconnected->transport)) + set_bit(SOCK_SUPPORT_ZC, + &connected->sk_socket->flags); } release_sock(connected);