netdev - [patch net-next v2 3/8] bridge: add vlan filtering change notification

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Message-Id: <1452081671-8476-4-git-send-email-jiri@resnulli.us>
Date:	Wed,  6 Jan 2016 13:01:06 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, idosch@...lanox.com, eladr@...lanox.com,
	yotamg@...lanox.com, ogerlitz@...lanox.com,
	stephen@...workplumber.org
Subject: [patch net-next v2 3/8] bridge: add vlan filtering change notification

From: Elad Raz <eladr@...lanox.com>

Notifying hardware about bridge vlan-aware changes.

Signed-off-by: Elad Raz <eladr@...lanox.com>
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 net/bridge/br_vlan.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index 66c4549..190fb33 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -626,9 +626,21 @@ void br_recalculate_fwd_mask(struct net_bridge *br)
 
 int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val)
 {
+	struct switchdev_attr attr = {
+		.orig_dev = br->dev,
+		.id = SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
+		.flags = SWITCHDEV_F_SKIP_EOPNOTSUPP,
+		.u.vlan_filtering = val,
+	};
+	int err;
+
 	if (br->vlan_enabled == val)
 		return 0;
 
+	err = switchdev_port_attr_set(br->dev, &attr);
+	if (err && err != -EOPNOTSUPP)
+		return err;
+
 	br->vlan_enabled = val;
 	br_manage_promisc(br);
 	recalculate_group_addr(br);
@@ -639,13 +651,15 @@ int __br_vlan_filter_toggle(struct net_bridge *br, unsigned long val)
 
 int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val)
 {
+	int err;
+
 	if (!rtnl_trylock())
 		return restart_syscall();
 
-	__br_vlan_filter_toggle(br, val);
+	err = __br_vlan_filter_toggle(br, val);
 	rtnl_unlock();
 
-	return 0;
+	return err;
 }
 
 int __br_vlan_set_proto(struct net_bridge *br, __be16 proto)
-- 
1.9.3

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