net: dsa: move bridging routines
Move the DSA port code which bridges a port in port.c, where it belongs. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -64,6 +64,8 @@ void dsa_legacy_unregister(void);
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int dsa_port_set_state(struct dsa_port *dp, u8 state,
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struct switchdev_trans *trans);
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void dsa_port_set_state_now(struct dsa_port *dp, u8 state);
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int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
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void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
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/* slave.c */
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extern const struct dsa_device_ops notag_netdev_ops;
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@ -11,9 +11,20 @@
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*/
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#include <linux/if_bridge.h>
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#include <linux/notifier.h>
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#include "dsa_priv.h"
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static int dsa_port_notify(struct dsa_port *dp, unsigned long e, void *v)
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{
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struct raw_notifier_head *nh = &dp->ds->dst->nh;
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int err;
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err = raw_notifier_call_chain(nh, e, v);
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return notifier_to_errno(err);
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}
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int dsa_port_set_state(struct dsa_port *dp, u8 state,
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struct switchdev_trans *trans)
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{
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@ -53,3 +64,50 @@ void dsa_port_set_state_now(struct dsa_port *dp, u8 state)
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if (err)
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pr_err("DSA: failed to set STP state %u (%d)\n", state, err);
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}
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int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br)
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{
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struct dsa_notifier_bridge_info info = {
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.sw_index = dp->ds->index,
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.port = dp->index,
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.br = br,
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};
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int err;
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/* Here the port is already bridged. Reflect the current configuration
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* so that drivers can program their chips accordingly.
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*/
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dp->bridge_dev = br;
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err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_JOIN, &info);
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/* The bridging is rolled back on error */
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if (err)
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dp->bridge_dev = NULL;
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return err;
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}
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void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br)
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{
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struct dsa_notifier_bridge_info info = {
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.sw_index = dp->ds->index,
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.port = dp->index,
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.br = br,
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};
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int err;
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/* Here the port is already unbridged. Reflect the current configuration
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* so that drivers can program their chips accordingly.
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*/
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dp->bridge_dev = NULL;
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err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_LEAVE, &info);
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if (err)
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pr_err("DSA: failed to notify DSA_NOTIFIER_BRIDGE_LEAVE\n");
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/* Port left the bridge, put in BR_STATE_DISABLED by the bridge layer,
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* so allow it to be in BR_STATE_FORWARDING to be kept functional
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*/
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dsa_port_set_state_now(dp, BR_STATE_FORWARDING);
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}
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@ -27,16 +27,6 @@
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static bool dsa_slave_dev_check(struct net_device *dev);
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static int dsa_port_notify(struct dsa_port *dp, unsigned long e, void *v)
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{
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struct raw_notifier_head *nh = &dp->ds->dst->nh;
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int err;
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err = raw_notifier_call_chain(nh, e, v);
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return notifier_to_errno(err);
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}
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/* slave mii_bus handling ***************************************************/
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static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg)
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{
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@ -514,53 +504,6 @@ static int dsa_slave_port_obj_dump(struct net_device *dev,
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return err;
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}
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static int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br)
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{
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struct dsa_notifier_bridge_info info = {
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.sw_index = dp->ds->index,
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.port = dp->index,
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.br = br,
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};
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int err;
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/* Here the port is already bridged. Reflect the current configuration
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* so that drivers can program their chips accordingly.
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*/
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dp->bridge_dev = br;
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err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_JOIN, &info);
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/* The bridging is rolled back on error */
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if (err)
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dp->bridge_dev = NULL;
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return err;
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}
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static void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br)
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{
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struct dsa_notifier_bridge_info info = {
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.sw_index = dp->ds->index,
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.port = dp->index,
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.br = br,
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};
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int err;
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/* Here the port is already unbridged. Reflect the current configuration
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* so that drivers can program their chips accordingly.
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*/
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dp->bridge_dev = NULL;
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err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_LEAVE, &info);
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if (err)
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pr_err("DSA: failed to notify DSA_NOTIFIER_BRIDGE_LEAVE\n");
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/* Port left the bridge, put in BR_STATE_DISABLED by the bridge layer,
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* so allow it to be in BR_STATE_FORWARDING to be kept functional
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*/
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dsa_port_set_state_now(dp, BR_STATE_FORWARDING);
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}
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static int dsa_slave_port_attr_get(struct net_device *dev,
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struct switchdev_attr *attr)
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{
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