net: introduce vlan_vid_[add/del] and use them instead of direct [add/kill]_vid ndo calls
This patch adds wrapper for ndo_vlan_rx_add_vid/ndo_vlan_rx_kill_vid
functions. Check for NETIF_F_HW_VLAN_FILTER feature is done in this
wrapper.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 8e8bf95..79c2d1b 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -18,6 +18,7 @@
#include <linux/ctype.h>
#include <linux/notifier.h>
#include <linux/netdevice.h>
+#include <linux/if_vlan.h>
#include <linux/if_arp.h>
#include <linux/socket.h>
#include <linux/etherdevice.h>
@@ -906,17 +907,28 @@
{
struct team *team = netdev_priv(dev);
struct team_port *port;
+ int err;
- rcu_read_lock();
- list_for_each_entry_rcu(port, &team->port_list, list) {
- const struct net_device_ops *ops = port->dev->netdev_ops;
-
- if (ops->ndo_vlan_rx_add_vid)
- ops->ndo_vlan_rx_add_vid(port->dev, vid);
+ /*
+ * Alhough this is reader, it's guarded by team lock. It's not possible
+ * to traverse list in reverse under rcu_read_lock
+ */
+ mutex_lock(&team->lock);
+ list_for_each_entry(port, &team->port_list, list) {
+ err = vlan_vid_add(port->dev, vid);
+ if (err)
+ goto unwind;
}
- rcu_read_unlock();
+ mutex_unlock(&team->lock);
return 0;
+
+unwind:
+ list_for_each_entry_continue_reverse(port, &team->port_list, list)
+ vlan_vid_del(port->dev, vid);
+ mutex_unlock(&team->lock);
+
+ return err;
}
static int team_vlan_rx_kill_vid(struct net_device *dev, uint16_t vid)
@@ -925,12 +937,8 @@
struct team_port *port;
rcu_read_lock();
- list_for_each_entry_rcu(port, &team->port_list, list) {
- const struct net_device_ops *ops = port->dev->netdev_ops;
-
- if (ops->ndo_vlan_rx_kill_vid)
- ops->ndo_vlan_rx_kill_vid(port->dev, vid);
- }
+ list_for_each_entry_rcu(port, &team->port_list, list)
+ vlan_vid_del(port->dev, vid);
rcu_read_unlock();
return 0;