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path: root/drivers/net/dsa/microchip/ksz_common.c
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Diffstat (limited to 'drivers/net/dsa/microchip/ksz_common.c')
-rw-r--r--drivers/net/dsa/microchip/ksz_common.c50
1 files changed, 28 insertions, 22 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 7c2968a639eb..8a04302018dc 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -22,21 +22,40 @@
void ksz_update_port_member(struct ksz_device *dev, int port)
{
- struct ksz_port *p;
+ struct ksz_port *p = &dev->ports[port];
+ struct dsa_switch *ds = dev->ds;
+ u8 port_member = 0, cpu_port;
+ const struct dsa_port *dp;
int i;
- for (i = 0; i < dev->port_cnt; i++) {
- if (i == port || i == dev->cpu_port)
+ if (!dsa_is_user_port(ds, port))
+ return;
+
+ dp = dsa_to_port(ds, port);
+ cpu_port = BIT(dsa_upstream_port(ds, port));
+
+ for (i = 0; i < ds->num_ports; i++) {
+ const struct dsa_port *other_dp = dsa_to_port(ds, i);
+ struct ksz_port *other_p = &dev->ports[i];
+ u8 val = 0;
+
+ if (!dsa_is_user_port(ds, i))
continue;
- p = &dev->ports[i];
- if (!(dev->member & (1 << i)))
+ if (port == i)
+ continue;
+ if (!dp->bridge_dev || dp->bridge_dev != other_dp->bridge_dev)
continue;
- /* Port is a member of the bridge and is forwarding. */
- if (p->stp_state == BR_STATE_FORWARDING &&
- p->member != dev->member)
- dev->dev_ops->cfg_port_member(dev, i, dev->member);
+ if (other_p->stp_state == BR_STATE_FORWARDING &&
+ p->stp_state == BR_STATE_FORWARDING) {
+ val |= BIT(port);
+ port_member |= BIT(i);
+ }
+
+ dev->dev_ops->cfg_port_member(dev, i, val | cpu_port);
}
+
+ dev->dev_ops->cfg_port_member(dev, port, port_member | cpu_port);
}
EXPORT_SYMBOL_GPL(ksz_update_port_member);
@@ -175,12 +194,6 @@ EXPORT_SYMBOL_GPL(ksz_get_ethtool_stats);
int ksz_port_bridge_join(struct dsa_switch *ds, int port,
struct net_device *br)
{
- struct ksz_device *dev = ds->priv;
-
- mutex_lock(&dev->dev_mutex);
- dev->br_member |= (1 << port);
- mutex_unlock(&dev->dev_mutex);
-
/* port_stp_state_set() will be called after to put the port in
* appropriate state so there is no need to do anything.
*/
@@ -192,13 +205,6 @@ EXPORT_SYMBOL_GPL(ksz_port_bridge_join);
void ksz_port_bridge_leave(struct dsa_switch *ds, int port,
struct net_device *br)
{
- struct ksz_device *dev = ds->priv;
-
- mutex_lock(&dev->dev_mutex);
- dev->br_member &= ~(1 << port);
- dev->member &= ~(1 << port);
- mutex_unlock(&dev->dev_mutex);
-
/* port_stp_state_set() will be called after to put the port in
* forwarding state so there is no need to do anything.
*/