{"id":810328,"url":"http://patchwork.ozlabs.org/api/1.2/patches/810328/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/patch/1504654510-31004-4-git-send-email-andrew@lunn.ch/","project":{"id":7,"url":"http://patchwork.ozlabs.org/api/1.2/projects/7/?format=json","name":"Linux network development","link_name":"netdev","list_id":"netdev.vger.kernel.org","list_email":"netdev@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<1504654510-31004-4-git-send-email-andrew@lunn.ch>","list_archive_url":null,"date":"2017-09-05T23:35:05","name":"[v2,rfc,3/8] net: bridge: Add/del switchdev object on host join/leave","commit_ref":null,"pull_url":null,"state":"rfc","archived":true,"hash":"f5065255aae6e47e9fbe12558f7ad299eff70eec","submitter":{"id":13608,"url":"http://patchwork.ozlabs.org/api/1.2/people/13608/?format=json","name":"Andrew Lunn","email":"andrew@lunn.ch"},"delegate":{"id":34,"url":"http://patchwork.ozlabs.org/api/1.2/users/34/?format=json","username":"davem","first_name":"David","last_name":"Miller","email":"davem@davemloft.net"},"mbox":"http://patchwork.ozlabs.org/project/netdev/patch/1504654510-31004-4-git-send-email-andrew@lunn.ch/mbox/","series":[{"id":1666,"url":"http://patchwork.ozlabs.org/api/1.2/series/1666/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/list/?series=1666","date":"2017-09-05T23:35:04","name":"IGMP snooping for local traffic","version":2,"mbox":"http://patchwork.ozlabs.org/series/1666/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/810328/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/810328/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xn38j6kFkz9s83\n\tfor ;\n\tWed, 6 Sep 2017 09:39:33 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1754565AbdIEXjc (ORCPT );\n\tTue, 5 Sep 2017 19:39:32 -0400","from vps0.lunn.ch ([178.209.37.122]:58242 \"EHLO vps0.lunn.ch\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1753652AbdIEXjb (ORCPT );\n\tTue, 5 Sep 2017 19:39:31 -0400","from andrew by vps0.lunn.ch with local (Exim 4.84_2)\n\t(envelope-from )\n\tid 1dpNNG-00084s-H8; Wed, 06 Sep 2017 01:35:18 +0200"],"From":"Andrew Lunn ","To":"netdev ","Cc":"jiri@resnulli.us, nikolay@cumulusnetworks.com,\n\tFlorian Fainelli ,\n\tVivien Didelot ,\n\tAndrew Lunn ","Subject":"[PATCH v2 rfc 3/8] net: bridge: Add/del switchdev object on host\n\tjoin/leave","Date":"Wed, 6 Sep 2017 01:35:05 +0200","Message-Id":"<1504654510-31004-4-git-send-email-andrew@lunn.ch>","X-Mailer":"git-send-email 2.1.4","In-Reply-To":"<1504654510-31004-1-git-send-email-andrew@lunn.ch>","References":"<1504654510-31004-1-git-send-email-andrew@lunn.ch>","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"},"content":"When the host joins or leaves a multicast group, use switchdev to add\nan object to the hardware to forward traffic for the group to the\nhost.\n\nSigned-off-by: Andrew Lunn \n---\n include/net/switchdev.h | 1 +\n net/bridge/br_mdb.c | 39 +++++++++++++++++++++++++++++++++++++++\n net/switchdev/switchdev.c | 2 ++\n 3 files changed, 42 insertions(+)","diff":"diff --git a/include/net/switchdev.h b/include/net/switchdev.h\nindex d767b7991887..b298a6b4c11d 100644\n--- a/include/net/switchdev.h\n+++ b/include/net/switchdev.h\n@@ -75,6 +75,7 @@ enum switchdev_obj_id {\n \tSWITCHDEV_OBJ_ID_UNDEFINED,\n \tSWITCHDEV_OBJ_ID_PORT_VLAN,\n \tSWITCHDEV_OBJ_ID_PORT_MDB,\n+\tSWITCHDEV_OBJ_ID_HOST_MDB,\n };\n \n struct switchdev_obj {\ndiff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c\nindex 80fa91ccc50c..a9c03f3a3b88 100644\n--- a/net/bridge/br_mdb.c\n+++ b/net/bridge/br_mdb.c\n@@ -291,6 +291,42 @@ static void br_mdb_complete(struct net_device *dev, int err, void *priv)\n \tkfree(priv);\n }\n \n+static void br_mdb_switchdev_host_port(struct net_device *dev,\n+\t\t\t\t struct net_device *lower_dev,\n+\t\t\t\t struct br_mdb_entry *entry, int type)\n+{\n+\tstruct switchdev_obj_port_mdb mdb = {\n+\t\t.obj = {\n+\t\t\t.id = SWITCHDEV_OBJ_ID_HOST_MDB,\n+\t\t\t.flags = SWITCHDEV_F_DEFER,\n+\t\t},\n+\t\t.vid = entry->vid,\n+\t};\n+\n+\tif (entry->addr.proto == htons(ETH_P_IP))\n+\t\tip_eth_mc_map(entry->addr.u.ip4, mdb.addr);\n+#if IS_ENABLED(CONFIG_IPV6)\n+\telse\n+\t\tipv6_eth_mc_map(&entry->addr.u.ip6, mdb.addr);\n+#endif\n+\n+\tmdb.obj.orig_dev = dev;\n+\tif (type == RTM_NEWMDB)\n+\t\tswitchdev_port_obj_add(lower_dev, &mdb.obj);\n+\tif (type == RTM_DELMDB)\n+\t\tswitchdev_port_obj_del(lower_dev, &mdb.obj);\n+}\n+\n+static void br_mdb_switchdev_host(struct net_device *dev,\n+\t\t\t\t struct br_mdb_entry *entry, int type)\n+{\n+\tstruct net_device *lower_dev;\n+\tstruct list_head *iter;\n+\n+\tnetdev_for_each_lower_dev(dev, lower_dev, iter)\n+\t\tbr_mdb_switchdev_host_port(dev, lower_dev, entry, type);\n+}\n+\n static void __br_mdb_notify(struct net_device *dev, struct net_bridge_port *p,\n \t\t\t struct br_mdb_entry *entry, int type)\n {\n@@ -330,6 +366,9 @@ static void __br_mdb_notify(struct net_device *dev, struct net_bridge_port *p,\n \t\tswitchdev_port_obj_del(port_dev, &mdb.obj);\n \t}\n \n+\tif (!p)\n+\t\tbr_mdb_switchdev_host(dev, entry, type);\n+\n \tskb = nlmsg_new(rtnl_mdb_nlmsg_size(), GFP_ATOMIC);\n \tif (!skb)\n \t\tgoto errout;\ndiff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c\nindex 0531b41d1f2d..74b9d916a58b 100644\n--- a/net/switchdev/switchdev.c\n+++ b/net/switchdev/switchdev.c\n@@ -345,6 +345,8 @@ static size_t switchdev_obj_size(const struct switchdev_obj *obj)\n \t\treturn sizeof(struct switchdev_obj_port_vlan);\n \tcase SWITCHDEV_OBJ_ID_PORT_MDB:\n \t\treturn sizeof(struct switchdev_obj_port_mdb);\n+\tcase SWITCHDEV_OBJ_ID_HOST_MDB:\n+\t\treturn sizeof(struct switchdev_obj_port_mdb);\n \tdefault:\n \t\tBUG();\n \t}\n","prefixes":["v2","rfc","3/8"]}