From mboxrd@z Thu Jan 1 00:00:00 1970 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 50FB1ECAAA1 for ; Fri, 2 Sep 2022 07:14:39 +0000 (UTC) Received: from localhost ([::1]:55584 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oU0sw-0004KV-7h for qemu-devel@archiver.kernel.org; Fri, 02 Sep 2022 03:14:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53450) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oU0O0-0007Zq-Mu for qemu-devel@nongnu.org; Fri, 02 Sep 2022 02:42:41 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:48637) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oU0Nx-0004wF-AZ for qemu-devel@nongnu.org; Fri, 02 Sep 2022 02:42:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1662100956; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=O3PvhGKdwoknSbt99qtirFcte1LSvf6Bbljcr+M3oo8=; b=MSB59ktGwP+U50tqVvmz+1LJBcnV7grNABbTNMn6yINIBFw/NdegOwGGDWEBAkLIMu0t1m TLTL1ERdq68HW+JUUOqxPpGuDGoFdt2cxv6S4ZuOqejhdZm7A68rrgigMVUAu0kJFln4fh KC4xrK/o+6sEa2ldly1d/y59hCaJNjc= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-587-49HmXTqNMR6F4Vo3gEg0gg-1; Fri, 02 Sep 2022 02:42:34 -0400 X-MC-Unique: 49HmXTqNMR6F4Vo3gEg0gg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5232E1857F0F; Fri, 2 Sep 2022 06:42:34 +0000 (UTC) Received: from localhost.localdomain (ovpn-12-152.pek2.redhat.com [10.72.12.152]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3D6CE1415137; Fri, 2 Sep 2022 06:42:31 +0000 (UTC) From: Jason Wang To: qemu-devel@nongnu.org, peter.maydell@linaro.org Cc: =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Jason Wang Subject: [PULL 17/21] vhost_net: add NetClientState->load() callback Date: Fri, 2 Sep 2022 14:41:34 +0800 Message-Id: <20220902064138.56468-18-jasowang@redhat.com> In-Reply-To: <20220902064138.56468-1-jasowang@redhat.com> References: <20220902064138.56468-1-jasowang@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.85 on 10.11.54.7 Received-SPF: pass client-ip=170.10.129.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Eugenio Pérez It allows per-net client operations right after device's successful start. In particular, to load the device status. Vhost-vdpa net will use it to add the CVQ buffers to restore the device status. Signed-off-by: Eugenio Pérez Acked-by: Jason Wang Signed-off-by: Jason Wang --- hw/net/vhost_net.c | 7 +++++++ include/net/net.h | 2 ++ 2 files changed, 9 insertions(+) diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index 9d4b334..d28f8b9 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -281,6 +281,13 @@ static int vhost_net_start_one(struct vhost_net *net, } } } + + if (net->nc->info->load) { + r = net->nc->info->load(net->nc); + if (r < 0) { + goto fail; + } + } return 0; fail: file.fd = -1; diff --git a/include/net/net.h b/include/net/net.h index 476ad45..81d0b21 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -45,6 +45,7 @@ typedef struct NICConf { typedef void (NetPoll)(NetClientState *, bool enable); typedef bool (NetCanReceive)(NetClientState *); typedef int (NetStart)(NetClientState *); +typedef int (NetLoad)(NetClientState *); typedef void (NetStop)(NetClientState *); typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t); typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int); @@ -74,6 +75,7 @@ typedef struct NetClientInfo { NetReceiveIOV *receive_iov; NetCanReceive *can_receive; NetStart *start; + NetLoad *load; NetStop *stop; NetCleanup *cleanup; LinkStatusChanged *link_status_changed; -- 2.7.4