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{
    "id": 810328,
    "url": "http://patchwork.ozlabs.org/api/patches/810328/?format=api",
    "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/projects/7/?format=api",
        "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/people/13608/?format=api",
        "name": "Andrew Lunn",
        "email": "andrew@lunn.ch"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "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/series/1666/?format=api",
            "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": "<netdev-owner@vger.kernel.org>",
        "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=<UNKNOWN>)",
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xn38j6kFkz9s83\n\tfor <patchwork-incoming@ozlabs.org>;\n\tWed,  6 Sep 2017 09:39:33 +1000 (AEST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1754565AbdIEXjc (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\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 <rfc822;netdev@vger.kernel.org>);\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 <andrew@lunn.ch>)\n\tid 1dpNNG-00084s-H8; Wed, 06 Sep 2017 01:35:18 +0200"
        ],
        "From": "Andrew Lunn <andrew@lunn.ch>",
        "To": "netdev <netdev@vger.kernel.org>",
        "Cc": "jiri@resnulli.us, nikolay@cumulusnetworks.com,\n\tFlorian Fainelli <f.fainelli@gmail.com>,\n\tVivien Didelot <vivien.didelot@savoirfairelinux.com>,\n\tAndrew Lunn <andrew@lunn.ch>",
        "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": "<netdev.vger.kernel.org>",
        "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 <andrew@lunn.ch>\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"
    ]
}