netdev - [PATCH 3/5] dsa: Handle the flood flag in the DSA layer.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220317065031.3830481-4-mattias.forsblad@gmail.com>
Date:   Thu, 17 Mar 2022 07:50:29 +0100
From:   Mattias Forsblad <mattias.forsblad@...il.com>
To:     netdev@...r.kernel.org
Cc:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Roopa Prabhu <roopa@...dia.com>,
        Tobias Waldekranz <tobias@...dekranz.com>,
        Mattias Forsblad <mattias.forsblad@...il.com>
Subject: [PATCH 3/5] dsa: Handle the flood flag in the DSA layer.

Add infrastructure to be able to handle the flood
flag in the DSA layer.

Signed-off-by: Mattias Forsblad <mattias.forsblad@...il.com>
---
 include/net/dsa.h  |  7 +++++++
 net/dsa/dsa_priv.h |  2 ++
 net/dsa/slave.c    | 18 ++++++++++++++++++
 3 files changed, 27 insertions(+)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 9bfe984fcdbf..fcb47dc832e1 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -939,6 +939,13 @@ struct dsa_switch_ops {
 	void	(*get_regs)(struct dsa_switch *ds, int port,
 			    struct ethtool_regs *regs, void *p);
 
+	/*
+	 * Local receive
+	 */
+	int	(*set_flood)(struct dsa_switch *ds, int port,
+				     struct net_device *bridge, unsigned long mask,
+				     unsigned long val);
+
 	/*
 	 * Upper device tracking.
 	 */
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index f20bdd8ea0a8..ca3ea320c8eb 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -234,6 +234,8 @@ int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
 			    struct netlink_ext_ack *extack);
 bool dsa_port_skip_vlan_configuration(struct dsa_port *dp);
 int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock);
+int dsa_port_set_flood(struct dsa_port *dp, struct net_device *br, unsigned long mask,
+		       unsigned long val);
 int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu,
 			bool targeted_match);
 int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index d24b6bf845c1..f3d780e2b42b 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -458,6 +458,13 @@ static int dsa_slave_port_attr_set(struct net_device *dev, const void *ctx,
 		ret = dsa_port_vlan_filtering(dp, attr->u.vlan_filtering,
 					      extack);
 		break;
+	case SWITCHDEV_ATTR_ID_BRIDGE_FLOOD:
+		if (!dsa_port_offloads_bridge_dev(dp, attr->orig_dev))
+			return -EOPNOTSUPP;
+
+		ret = dsa_port_set_flood(dp, attr->orig_dev, attr->u.brport_flags.mask,
+					 attr->u.brport_flags.val);
+		break;
 	case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
 		if (!dsa_port_offloads_bridge_dev(dp, attr->orig_dev))
 			return -EOPNOTSUPP;
@@ -834,6 +841,17 @@ dsa_slave_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *_p)
 		ds->ops->get_regs(ds, dp->index, regs, _p);
 }
 
+int dsa_port_set_flood(struct dsa_port *dp, struct net_device *br, unsigned long mask,
+		       unsigned long val)
+{
+	struct dsa_switch *ds = dp->ds;
+
+	if (ds->ops->set_flood)
+		return ds->ops->set_flood(ds, dp->index, br, mask, val);
+
+	return 0;
+}
+
 static int dsa_slave_nway_reset(struct net_device *dev)
 {
 	struct dsa_port *dp = dsa_slave_to_port(dev);
-- 
2.25.1