From patchwork Fri Nov 25 14:38:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Eugenio Perez Martin X-Patchwork-Id: 1709094 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Abql1rs1; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4NJcvk5WtVz23nT for ; Sat, 26 Nov 2022 01:39:45 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oyZrR-0000cM-9v; Fri, 25 Nov 2022 09:39:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oyZrG-0000Wc-2n for qemu-devel@nongnu.org; Fri, 25 Nov 2022 09:39:15 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oyZrE-00037S-K7 for qemu-devel@nongnu.org; Fri, 25 Nov 2022 09:39:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1669387151; 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=Fs85U69IRKNA4arYUvUFJSFq369RRgnafMplgvg3Rkc=; b=Abql1rs1txLPfN3IUULdjr+uOuLiVlhlgvDLfaEey1k6NYhpuuBoccmUfvdTQ+VqMAxb6O t0H9smiYeZeFlnARWomQk+c6n9hGu4/I2norsaUcazfhBQ2bJzY1t2SlJISEoab3ms32/6 d0TGdMKwuLO9RTPrbeNfUZO6vbTB8vY= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-433-8QKqIZaAMaiUZ1-HB0nXLA-1; Fri, 25 Nov 2022 09:39:08 -0500 X-MC-Unique: 8QKqIZaAMaiUZ1-HB0nXLA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 2F9AB29DD9B9; Fri, 25 Nov 2022 14:39:08 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.112]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1D25F2028E94; Fri, 25 Nov 2022 14:39:05 +0000 (UTC) From: =?utf-8?q?Eugenio_P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Gautam Dawar , Laurent Vivier , Eli Cohen , Parav Pandit , Stefano Garzarella , Liuxiangdong , Harpreet Singh Anand , "Michael S. Tsirkin" , Jason Wang , Zhu Lingshan , Si-Wei Liu , Cindy Lu Subject: [RFC PATCH 1/3] virtio_net: export virtio_net_guest_offloads_by_features Date: Fri, 25 Nov 2022 15:38:57 +0100 Message-Id: <20221125143859.2211494-2-eperezma@redhat.com> In-Reply-To: <20221125143859.2211494-1-eperezma@redhat.com> References: <20221125143859.2211494-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org vdpa NIC can use it to know if it needs to restore guest offloads at startup / migration. Signed-off-by: Eugenio Pérez --- include/hw/virtio/virtio-net.h | 1 + hw/net/virtio-net.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h index ef234ffe7e..491eafef16 100644 --- a/include/hw/virtio/virtio-net.h +++ b/include/hw/virtio/virtio-net.h @@ -221,6 +221,7 @@ struct VirtIONet { struct EBPFRSSContext ebpf_rss; }; +uint64_t virtio_net_guest_offloads_by_features(uint32_t features); size_t virtio_net_handle_ctrl_iov(VirtIODevice *vdev, const struct iovec *in_sg, unsigned in_num, const struct iovec *out_sg, diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index aba12759d5..87eb086dee 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -845,7 +845,7 @@ static void virtio_net_apply_guest_offloads(VirtIONet *n) !!(n->curr_guest_offloads & (1ULL << VIRTIO_NET_F_GUEST_UFO))); } -static uint64_t virtio_net_guest_offloads_by_features(uint32_t features) +uint64_t virtio_net_guest_offloads_by_features(uint32_t features) { static const uint64_t guest_offloads_mask = (1ULL << VIRTIO_NET_F_GUEST_CSUM) |