From patchwork Fri Sep 3 12:31:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arseny Krasnov X-Patchwork-Id: 506950 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33B5FC433EF for ; Fri, 3 Sep 2021 12:32:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1661A604AC for ; Fri, 3 Sep 2021 12:32:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349375AbhICMdN (ORCPT ); Fri, 3 Sep 2021 08:33:13 -0400 Received: from mx12.kaspersky-labs.com ([91.103.66.155]:60316 "EHLO mx12.kaspersky-labs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349351AbhICMdM (ORCPT ); Fri, 3 Sep 2021 08:33:12 -0400 Received: from relay12.kaspersky-labs.com (unknown [127.0.0.10]) by relay12.kaspersky-labs.com (Postfix) with ESMTP id B0CF476436; Fri, 3 Sep 2021 15:32:10 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kaspersky.com; s=mail202102; t=1630672330; bh=GfnUcJLo9U9m2eHeY1kiaWcphVfFjQ9hOr7Vf9qFRPY=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=6el+ilAitgD6og6E4I/eE3Kf5un/5AMky7Eku9MC/SxVrfB4Cj2J4VtBYCe/93Dtf jVjB/spd2jf0l3ye72mGQIFPk4Se4//J5we7SJwT4e0wsMJtBnqZo31ApQpo+VEK+k +F+/t3J2UkSPNI1SGxoiktKcUwuAYSgt2M7ZytBOjGeQK7WkmfKPFxUNlTo06IRIQI mvCQ0Ca4MPaQMpmWlYz5IH9WMexjtm0hVPLf1YKev4zYvOQul0hIds1nBgRAf0sYTU glPEuCswT21qNYM7ixNDsfcDofRhlqH7NZxOGJ6oEIlFCUtXUjPht+UyZsV7lN3XcF JO+6V9vgl76Nw== Received: from mail-hq2.kaspersky.com (unknown [91.103.66.206]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail-hq2.kaspersky.com", Issuer "Kaspersky MailRelays CA G3" (verified OK)) by mailhub12.kaspersky-labs.com (Postfix) with ESMTPS id 6A48976432; Fri, 3 Sep 2021 15:32:10 +0300 (MSK) Received: from arseniy-pc.avp.ru (10.64.64.121) by hqmailmbx3.avp.ru (10.64.67.243) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Fri, 3 Sep 2021 15:31:31 +0300 From: Arseny Krasnov To: Stefan Hajnoczi , Stefano Garzarella , "Michael S. Tsirkin" , Jason Wang , "David S. Miller" , Jakub Kicinski , Arseny Krasnov , Colin Ian King , Norbert Slusarek , Andra Paraschiv CC: , , , , , Subject: [PATCH net-next v5 1/6] virtio/vsock: rename 'EOR' to 'EOM' bit. Date: Fri, 3 Sep 2021 15:31:06 +0300 Message-ID: <20210903123109.3273053-1-arseny.krasnov@kaspersky.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210903123016.3272800-1-arseny.krasnov@kaspersky.com> References: <20210903123016.3272800-1-arseny.krasnov@kaspersky.com> MIME-Version: 1.0 X-Originating-IP: [10.64.64.121] X-ClientProxiedBy: hqmailmbx1.avp.ru (10.64.67.241) To hqmailmbx3.avp.ru (10.64.67.243) X-KSE-ServerInfo: hqmailmbx3.avp.ru, 9 X-KSE-AntiSpam-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 09/03/2021 12:09:11 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 0 X-KSE-AntiSpam-Info: Lua profiles 165955 [Sep 03 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: arseny.krasnov@kaspersky.com X-KSE-AntiSpam-Info: LuaCore: 461 461 c95454ca24f64484bdf56c7842a96dd24416624e X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: d41d8cd98f00b204e9800998ecf8427e.com:7.1.1; 127.0.0.199:7.1.2; arseniy-pc.avp.ru:7.1.1; kaspersky.com:7.1.1 X-KSE-AntiSpam-Info: Rate: 0 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Deterministic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 09/03/2021 12:14:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 03.09.2021 6:49:00 X-KSE-BulkMessagesFiltering-Scan-Result: InTheLimit X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-BulkMessagesFiltering-Scan-Result: InTheLimit X-KLMS-Rule-ID: 52 X-KLMS-Message-Action: clean X-KLMS-AntiSpam-Status: not scanned, disabled by settings X-KLMS-AntiSpam-Interceptor-Info: not scanned X-KLMS-AntiPhishing: Clean, bases: 2021/09/03 11:02:00 X-KLMS-AntiVirus: Kaspersky Security for Linux Mail Server, version 8.0.3.30, bases: 2021/09/03 06:49:00 #17152626 X-KLMS-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This current implemented bit is used to mark end of messages ('EOM' - end of message), not records('EOR' - end of record). Also rename 'record' to 'message' in implementation as it is different things. Signed-off-by: Arseny Krasnov Reviewed-by: Stefano Garzarella --- drivers/vhost/vsock.c | 12 ++++++------ include/uapi/linux/virtio_vsock.h | 2 +- net/vmw_vsock/virtio_transport_common.c | 14 +++++++------- 3 files changed, 14 insertions(+), 14 deletions(-) diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index f249622ef11b..feaf650affbe 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -178,15 +178,15 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock, * small rx buffers, headers of packets in rx queue are * created dynamically and are initialized with header * of current packet(except length). But in case of - * SOCK_SEQPACKET, we also must clear record delimeter - * bit(VIRTIO_VSOCK_SEQ_EOR). Otherwise, instead of one - * packet with delimeter(which marks end of record), + * SOCK_SEQPACKET, we also must clear message delimeter + * bit(VIRTIO_VSOCK_SEQ_EOM). Otherwise, instead of one + * packet with delimeter(which marks end of message), * there will be sequence of packets with delimeter * bit set. After initialized header will be copied to * rx buffer, this bit will be restored. */ - if (le32_to_cpu(pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOR) { - pkt->hdr.flags &= ~cpu_to_le32(VIRTIO_VSOCK_SEQ_EOR); + if (le32_to_cpu(pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOM) { + pkt->hdr.flags &= ~cpu_to_le32(VIRTIO_VSOCK_SEQ_EOM); restore_flag = true; } } @@ -225,7 +225,7 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock, */ if (pkt->off < pkt->len) { if (restore_flag) - pkt->hdr.flags |= cpu_to_le32(VIRTIO_VSOCK_SEQ_EOR); + pkt->hdr.flags |= cpu_to_le32(VIRTIO_VSOCK_SEQ_EOM); /* We are queueing the same virtio_vsock_pkt to handle * the remaining bytes, and we want to deliver it diff --git a/include/uapi/linux/virtio_vsock.h b/include/uapi/linux/virtio_vsock.h index 3dd3555b2740..8485b004a5f8 100644 --- a/include/uapi/linux/virtio_vsock.h +++ b/include/uapi/linux/virtio_vsock.h @@ -97,7 +97,7 @@ enum virtio_vsock_shutdown { /* VIRTIO_VSOCK_OP_RW flags values */ enum virtio_vsock_rw { - VIRTIO_VSOCK_SEQ_EOR = 1, + VIRTIO_VSOCK_SEQ_EOM = 1, }; #endif /* _UAPI_LINUX_VIRTIO_VSOCK_H */ diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 081e7ae93cb1..4d5a93beceb0 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -77,7 +77,7 @@ virtio_transport_alloc_pkt(struct virtio_vsock_pkt_info *info, if (msg_data_left(info->msg) == 0 && info->type == VIRTIO_VSOCK_TYPE_SEQPACKET) - pkt->hdr.flags |= cpu_to_le32(VIRTIO_VSOCK_SEQ_EOR); + pkt->hdr.flags |= cpu_to_le32(VIRTIO_VSOCK_SEQ_EOM); } trace_virtio_transport_alloc_pkt(src_cid, src_port, @@ -457,7 +457,7 @@ static int virtio_transport_seqpacket_do_dequeue(struct vsock_sock *vsk, dequeued_len += pkt_len; } - if (le32_to_cpu(pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOR) { + if (le32_to_cpu(pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOM) { msg_ready = true; vvs->msg_count--; } @@ -1029,7 +1029,7 @@ virtio_transport_recv_enqueue(struct vsock_sock *vsk, goto out; } - if (le32_to_cpu(pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOR) + if (le32_to_cpu(pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOM) vvs->msg_count++; /* Try to copy small packets into the buffer of last packet queued, @@ -1044,12 +1044,12 @@ virtio_transport_recv_enqueue(struct vsock_sock *vsk, /* If there is space in the last packet queued, we copy the * new packet in its buffer. We avoid this if the last packet - * queued has VIRTIO_VSOCK_SEQ_EOR set, because this is - * delimiter of SEQPACKET record, so 'pkt' is the first packet - * of a new record. + * queued has VIRTIO_VSOCK_SEQ_EOM set, because this is + * delimiter of SEQPACKET message, so 'pkt' is the first packet + * of a new message. */ if ((pkt->len <= last_pkt->buf_len - last_pkt->len) && - !(le32_to_cpu(last_pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOR)) { + !(le32_to_cpu(last_pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOM)) { memcpy(last_pkt->buf + last_pkt->len, pkt->buf, pkt->len); last_pkt->len += pkt->len;