From: Ido Schimmel <idosch@nvidia.com>
Date: Sun, 17 Dec 2023 08:32:39 +0000 (+0200)
Subject: rtnetlink: bridge: Invoke MDB bulk deletion when needed
X-Git-Tag: v6.8-rc1~131^2~110^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8e81f131178dad603c6817421056030ed2f4ac2;p=thirdparty%2Fkernel%2Flinux.git

rtnetlink: bridge: Invoke MDB bulk deletion when needed

Invoke the new MDB bulk deletion device operation when the 'NLM_F_BULK'
flag is set in the netlink message header.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a0fad4d8856cb..ec185e131766c 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -6488,6 +6488,14 @@ static int rtnl_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
 		return -EINVAL;
 	}
 
+	if (del_bulk) {
+		if (!dev->netdev_ops->ndo_mdb_del_bulk) {
+			NL_SET_ERR_MSG(extack, "Device does not support MDB bulk deletion");
+			return -EOPNOTSUPP;
+		}
+		return dev->netdev_ops->ndo_mdb_del_bulk(dev, tb, extack);
+	}
+
 	if (!dev->netdev_ops->ndo_mdb_del) {
 		NL_SET_ERR_MSG(extack, "Device does not support MDB operations");
 		return -EOPNOTSUPP;