net: dsa: move bridge device in dsa_port

Move the bridge_dev pointer from dsa_slave_priv to dsa_port so that DSA
drivers can access this information and remove the need to cache it.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/dsa.h b/include/net/dsa.h
index 6bd1f8b..924533f 100644 (file)
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -146,6 +146,7 @@ struct dsa_port {
        struct device_node      *dn;
        unsigned int            ageing_time;
        u8                      stp_state;
+       struct net_device       *bridge_dev;
 };
 
 struct dsa_switch {

diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index c519bd0..3022f2e 100644 (file)
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -38,7 +38,6 @@ struct dsa_slave_priv {
        int                     old_pause;
        int                     old_duplex;
 
-       struct net_device       *bridge_dev;
 #ifdef CONFIG_NET_POLL_CONTROLLER
        struct netpoll          *netpoll;
 #endif

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index a2f0267..cdb1df8 100644 (file)
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -64,9 +64,9 @@ static int dsa_slave_get_iflink(const struct net_device *dev)
        return p->dp->ds->dst->master_netdev->ifindex;
 }
 
-static inline bool dsa_port_is_bridged(struct dsa_slave_priv *p)
+static inline bool dsa_port_is_bridged(struct dsa_port *dp)
 {
-       return !!p->bridge_dev;
+       return !!dp->bridge_dev;
 }
 
 static void dsa_port_set_stp_state(struct dsa_switch *ds, int port, u8 state)
@@ -98,7 +98,7 @@ static int dsa_slave_open(struct net_device *dev)
        struct dsa_slave_priv *p = netdev_priv(dev);
        struct net_device *master = p->dp->ds->dst->master_netdev;
        struct dsa_switch *ds = p->dp->ds;
-       u8 stp_state = dsa_port_is_bridged(p) ?
+       u8 stp_state = dsa_port_is_bridged(p->dp) ?
                        BR_STATE_BLOCKING : BR_STATE_FORWARDING;
        int err;
 
@@ -557,7 +557,7 @@ static int dsa_slave_bridge_port_join(struct net_device *dev,
        struct dsa_switch *ds = p->dp->ds;
        int ret = -EOPNOTSUPP;
 
-       p->bridge_dev = br;
+       p->dp->bridge_dev = br;
 
        if (ds->ops->port_bridge_join)
                ret = ds->ops->port_bridge_join(ds, p->dp->index, br);
@@ -574,7 +574,7 @@ static void dsa_slave_bridge_port_leave(struct net_device *dev)
        if (ds->ops->port_bridge_leave)
                ds->ops->port_bridge_leave(ds, p->dp->index);
 
-       p->bridge_dev = NULL;
+       p->dp->bridge_dev = NULL;
 
        /* 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