netdev - [patch net-next v2 4/8] bridge: add vlan filtering change for new bridged device

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Message-Id: <1452081671-8476-5-git-send-email-jiri@resnulli.us>
Date:	Wed,  6 Jan 2016 13:01:07 +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 4/8] bridge: add vlan filtering change for new bridged device

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

Notifying hardware about newly bridged port vlan-aware changes.

Signed-off-by: Elad Raz <eladr@...lanox.com>
Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 net/bridge/br_vlan.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c
index 190fb33..85e43af 100644
--- a/net/bridge/br_vlan.c
+++ b/net/bridge/br_vlan.c
@@ -907,6 +907,12 @@ err_rhtbl:
 
 int nbp_vlan_init(struct net_bridge_port *p)
 {
+	struct switchdev_attr attr = {
+		.orig_dev = p->br->dev,
+		.id = SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
+		.flags = SWITCHDEV_F_SKIP_EOPNOTSUPP,
+		.u.vlan_filtering = p->br->vlan_enabled,
+	};
 	struct net_bridge_vlan_group *vg;
 	int ret = -ENOMEM;
 
@@ -914,6 +920,10 @@ int nbp_vlan_init(struct net_bridge_port *p)
 	if (!vg)
 		goto out;
 
+	ret = switchdev_port_attr_set(p->dev, &attr);
+	if (ret && ret != -EOPNOTSUPP)
+		goto err_vlan_enabled;
+
 	ret = rhashtable_init(&vg->vlan_hash, &br_vlan_rht_params);
 	if (ret)
 		goto err_rhtbl;
@@ -933,6 +943,7 @@ err_vlan_add:
 	RCU_INIT_POINTER(p->vlgrp, NULL);
 	synchronize_rcu();
 	rhashtable_destroy(&vg->vlan_hash);
+err_vlan_enabled:
 err_rhtbl:
 	kfree(vg);
 
-- 
1.9.3

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