From 4acfee8143b33efa8bda6f03fe1462d545ff8170 Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Thu, 22 Sep 2016 16:49:21 -0400 Subject: [PATCH] net: dsa: add port STP state helper Add a void helper to set the STP state of a port, checking first if the required routine is provided by the driver. Signed-off-by: Vivien Didelot Signed-off-by: David S. Miller --- net/dsa/slave.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 9ecbe787f102..fd78d4c9b197 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -69,6 +69,12 @@ static inline bool dsa_port_is_bridged(struct dsa_slave_priv *p) return !!p->bridge_dev; } +static void dsa_port_set_stp_state(struct dsa_switch *ds, int port, u8 state) +{ + if (ds->ops->port_stp_state_set) + ds->ops->port_stp_state_set(ds, port, state); +} + static int dsa_slave_open(struct net_device *dev) { struct dsa_slave_priv *p = netdev_priv(dev); @@ -104,8 +110,7 @@ static int dsa_slave_open(struct net_device *dev) goto clear_promisc; } - if (ds->ops->port_stp_state_set) - ds->ops->port_stp_state_set(ds, p->port, stp_state); + dsa_port_set_stp_state(ds, p->port, stp_state); if (p->phy) phy_start(p->phy); @@ -147,8 +152,7 @@ static int dsa_slave_close(struct net_device *dev) if (ds->ops->port_disable) ds->ops->port_disable(ds, p->port, p->phy); - if (ds->ops->port_stp_state_set) - ds->ops->port_stp_state_set(ds, p->port, BR_STATE_DISABLED); + dsa_port_set_stp_state(ds, p->port, BR_STATE_DISABLED); return 0; } @@ -354,7 +358,7 @@ static int dsa_slave_stp_state_set(struct net_device *dev, if (switchdev_trans_ph_prepare(trans)) return ds->ops->port_stp_state_set ? 0 : -EOPNOTSUPP; - ds->ops->port_stp_state_set(ds, p->port, attr->u.stp_state); + dsa_port_set_stp_state(ds, p->port, attr->u.stp_state); return 0; } @@ -556,8 +560,7 @@ static void dsa_slave_bridge_port_leave(struct net_device *dev) /* Port left the bridge, put in BR_STATE_DISABLED by the bridge layer, * so allow it to be in BR_STATE_FORWARDING to be kept functional */ - if (ds->ops->port_stp_state_set) - ds->ops->port_stp_state_set(ds, p->port, BR_STATE_FORWARDING); + dsa_port_set_stp_state(ds, p->port, BR_STATE_FORWARDING); } static int dsa_slave_port_attr_get(struct net_device *dev, -- 2.20.1