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GET /api/patches/2196229/?format=api
{ "id": 2196229, "url": "http://patchwork.ozlabs.org/api/patches/2196229/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260213071042.3733239-3-lulu@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260213071042.3733239-3-lulu@redhat.com>", "list_archive_url": null, "date": "2026-02-13T07:08:02", "name": "[RFC,2/5] net/filter-redirector: add in/out_netdev properties", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "dc0fe394e227bbb37faf2118a98eeaa2fdebf815", "submitter": { "id": 78960, "url": "http://patchwork.ozlabs.org/api/people/78960/?format=api", "name": "Cindy Lu", "email": "lulu@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260213071042.3733239-3-lulu@redhat.com/mbox/", "series": [ { "id": 492063, "url": "http://patchwork.ozlabs.org/api/series/492063/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492063", "date": "2026-02-13T07:08:05", "name": "net/filter-redirector: Add AF_PACKET support for vhost-net", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/492063/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196229/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196229/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=ZDKGknM0;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fC3J51w2Rz1xxR\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 13 Feb 2026 18:11:49 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1vqnKU-0002aq-LV; Fri, 13 Feb 2026 02:11:06 -0500", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <lulu@redhat.com>) id 1vqnKS-0002aZ-RH\n for qemu-devel@nongnu.org; Fri, 13 Feb 2026 02:11:04 -0500", "from us-smtp-delivery-124.mimecast.com ([170.10.129.124])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <lulu@redhat.com>) id 1vqnKR-0005bw-CC\n for qemu-devel@nongnu.org; Fri, 13 Feb 2026 02:11:04 -0500", "from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com\n (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by\n relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n cipher=TLS_AES_256_GCM_SHA384) id us-mta-661-gHJW0tTyOAOYOtOdCW75lA-1; Fri,\n 13 Feb 2026 02:10:58 -0500", "from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com\n (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS\n id EC5F11955D8D; Fri, 13 Feb 2026 07:10:57 +0000 (UTC)", "from S2.redhat.com (unknown [10.72.112.33])\n by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP\n id C931930001BE; Fri, 13 Feb 2026 07:10:54 +0000 (UTC)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1770966662;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:mime-version:mime-version:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=+6tgYpf+/FYgfC1vv57KmxBOSXnI9Crz3Q86VSJhAq4=;\n b=ZDKGknM0HtEYQsG0Aa3y/NkimJtM9VGUWanbbYuI+1GgkBo4tRC8qtx5KdzuP+z5YddLn9\n bwCz2INbtwh84rTnOgEJ62a+EnUqCEK039nC2r2dFUKMhhJEuh2O9JhE4Yi5EbJLez7P4J\n kxsRIm05pqPJJ1AOdStvq0HgtktnMwA=", "X-MC-Unique": "gHJW0tTyOAOYOtOdCW75lA-1", "X-Mimecast-MFC-AGG-ID": "gHJW0tTyOAOYOtOdCW75lA_1770966658", "From": "Cindy Lu <lulu@redhat.com>", "To": "lulu@redhat.com, mst@redhat.com, jasowang@redhat.com, zhangckid@gmail.com,\n lizhijian@fujitsu.com, qemu-devel@nongnu.org", "Subject": "[RFC 2/5] net/filter-redirector: add in/out_netdev properties", "Date": "Fri, 13 Feb 2026 15:08:02 +0800", "Message-ID": "<20260213071042.3733239-3-lulu@redhat.com>", "In-Reply-To": "<20260213071042.3733239-1-lulu@redhat.com>", "References": "<20260213071042.3733239-1-lulu@redhat.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.30.177.4", "Received-SPF": "pass client-ip=170.10.129.124; envelope-from=lulu@redhat.com;\n 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,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-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": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Introduce two new optional properties for filter-redirector:\n- in_netdev: specifies a TAP netdev to capture packets from using\n AF_PACKET sockets\n- out_netdev: specifies a netdev to inject packets into using\n AF_PACKET sockets\n\nThese properties enable filter-redirector to work with vhost-net\nbackends by bypassing the QEMU network stack entirely. Instead of\nrelying on chardev sockets (indev/outdev), the redirector can\ndirectly capture/inject packets at the host TAP interface level.\n\nThe in_netdev and out_netdev are mutually exclusive with each other\nand with their chardev counterparts (indev/outdev) on the same\ndirection.\n\nSigned-off-by: Cindy Lu <lulu@redhat.com>\n---\n net/filter-mirror.c | 44 ++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 44 insertions(+)", "diff": "diff --git a/net/filter-mirror.c b/net/filter-mirror.c\nindex ab711e8835..37035f3892 100644\n--- a/net/filter-mirror.c\n+++ b/net/filter-mirror.c\n@@ -40,6 +40,8 @@ struct MirrorState {\n NetFilterState parent_obj;\n char *indev;\n char *outdev;\n+ char *in_netdev;\n+ char *out_netdev;\n CharFrontend chr_in;\n CharFrontend chr_out;\n SocketReadState rs;\n@@ -510,6 +512,40 @@ static void filter_redirector_set_outdev(Object *obj,\n s->outdev = g_strdup(value);\n }\n \n+static char *filter_redirector_get_in_netdev(Object *obj, Error **errp)\n+{\n+ MirrorState *s = FILTER_REDIRECTOR(obj);\n+\n+ return g_strdup(s->in_netdev);\n+}\n+\n+static void filter_redirector_set_in_netdev(Object *obj,\n+ const char *value,\n+ Error **errp)\n+{\n+ MirrorState *s = FILTER_REDIRECTOR(obj);\n+\n+ g_free(s->in_netdev);\n+ s->in_netdev = g_strdup(value);\n+}\n+\n+static char *filter_redirector_get_out_netdev(Object *obj, Error **errp)\n+{\n+ MirrorState *s = FILTER_REDIRECTOR(obj);\n+\n+ return g_strdup(s->out_netdev);\n+}\n+\n+static void filter_redirector_set_out_netdev(Object *obj,\n+ const char *value,\n+ Error **errp)\n+{\n+ MirrorState *s = FILTER_REDIRECTOR(obj);\n+\n+ g_free(s->out_netdev);\n+ s->out_netdev = g_strdup(value);\n+}\n+\n static bool filter_redirector_get_vnet_hdr(Object *obj, Error **errp)\n {\n MirrorState *s = FILTER_REDIRECTOR(obj);\n@@ -597,6 +633,12 @@ static void filter_redirector_class_init(ObjectClass *oc, const void *data)\n filter_redirector_set_indev);\n object_class_property_add_str(oc, \"outdev\", filter_redirector_get_outdev,\n filter_redirector_set_outdev);\n+ object_class_property_add_str(oc, \"in_netdev\",\n+ filter_redirector_get_in_netdev,\n+ filter_redirector_set_in_netdev);\n+ object_class_property_add_str(oc, \"out_netdev\",\n+ filter_redirector_get_out_netdev,\n+ filter_redirector_set_out_netdev);\n object_class_property_add_bool(oc, \"vnet_hdr_support\",\n filter_redirector_get_vnet_hdr,\n filter_redirector_set_vnet_hdr);\n@@ -638,6 +680,8 @@ static void filter_redirector_fini(Object *obj)\n \n g_free(s->indev);\n g_free(s->outdev);\n+ g_free(s->in_netdev);\n+ g_free(s->out_netdev);\n }\n \n static const TypeInfo filter_redirector_info = {\n", "prefixes": [ "RFC", "2/5" ] }