From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=blackwall-org.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rJB5kY6uPDJBtefnM9IfoNFJA4wwW57RZ1b7IzeHqA8=; b=hFdUSE4bdm3dm9ztdRKdeW/8cbk4xAYciXTuexkfId9nwCQCdmTBDzeHXaqgfzjQeN TZ/NsAKsRRvweTRt2EAW52YSO+2mnhtdOAADDKVaHA29uMQoS03VdTeW+86igTTMvECm ACUEP0LU5+tvPzhM4FJMzoBBmtRsIdRlXdQybuROhvIA4uHgrdlQvGSuaUsKQsOfSfVd RAybgRhJX6iwXEaoer6mxl6iJv8mrCSldsW804bEl+UIOMiYiD/oT8/MH7A8qdcFgKGj f5lFRyib564wGTYRT586IEXe6XyOsMfYecXCpGxRiZOTZQWKxMFiVOVTROU+brqsTDm6 xBow== From: Nikolay Aleksandrov Date: Wed, 13 Apr 2022 13:51:58 +0300 Message-Id: <20220413105202.2616106-9-razor@blackwall.org> In-Reply-To: <20220413105202.2616106-1-razor@blackwall.org> References: <20220413105202.2616106-1-razor@blackwall.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Bridge] [PATCH net-next v4 08/12] net: bridge: fdb: add ndo_fdb_del_bulk List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: netdev@vger.kernel.org Cc: Nikolay Aleksandrov , dsahern@kernel.org, bridge@lists.linux-foundation.org, idosch@idosch.org, roopa@nvidia.com, kuba@kernel.org, davem@davemloft.net Add a minimal ndo_fdb_del_bulk implementation which flushes all entries. Support for more fine-grained filtering will be added in the following patches. Signed-off-by: Nikolay Aleksandrov --- v4: don't rename br_fdb_flush net/bridge/br_device.c | 1 + net/bridge/br_fdb.c | 23 +++++++++++++++++++++++ net/bridge/br_private.h | 3 +++ 3 files changed, 27 insertions(+) diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 8d6bab244c4a..58a4f70e01e3 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -465,6 +465,7 @@ static const struct net_device_ops br_netdev_ops = { .ndo_fix_features = br_fix_features, .ndo_fdb_add = br_fdb_add, .ndo_fdb_del = br_fdb_delete, + .ndo_fdb_del_bulk = br_fdb_delete_bulk, .ndo_fdb_dump = br_fdb_dump, .ndo_fdb_get = br_fdb_get, .ndo_bridge_getlink = br_getlink, diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 6ccda68bd473..363985f1a540 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -572,6 +572,29 @@ void br_fdb_flush(struct net_bridge *br) spin_unlock_bh(&br->hash_lock); } +int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, u16 vid, + struct netlink_ext_ack *extack) +{ + struct net_bridge_port *p = NULL; + struct net_bridge *br; + + if (netif_is_bridge_master(dev)) { + br = netdev_priv(dev); + } else { + p = br_port_get_rtnl(dev); + if (!p) { + NL_SET_ERR_MSG_MOD(extack, "Device is not a bridge port"); + return -EINVAL; + } + br = p->br; + } + + br_fdb_flush(br); + + return 0; +} + /* Flush all entries referring to a specific port. * if do_all is set also flush static entries * if vid is set delete all entries that match the vlan_id diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 6e62af2e07e9..f37d49bf5637 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -781,6 +781,9 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], struct net_device *dev, const unsigned char *addr, u16 vid); +int br_fdb_delete_bulk(struct ndmsg *ndm, struct nlattr *tb[], + struct net_device *dev, u16 vid, + struct netlink_ext_ack *extack); int br_fdb_add(struct ndmsg *nlh, struct nlattr *tb[], struct net_device *dev, const unsigned char *addr, u16 vid, u16 nlh_flags, struct netlink_ext_ack *extack); -- 2.35.1