diff options
| -rw-r--r-- | net/dsa/dsa_priv.h | 2 | ||||
| -rw-r--r-- | net/dsa/port.c | 58 | ||||
| -rw-r--r-- | net/dsa/slave.c | 57 |
3 files changed, 60 insertions, 57 deletions
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index cda218cd9b05..f0b6cd3c8a65 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -64,6 +64,8 @@ void dsa_legacy_unregister(void); int dsa_port_set_state(struct dsa_port *dp, u8 state, struct switchdev_trans *trans); void dsa_port_set_state_now(struct dsa_port *dp, u8 state); +int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br); +void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br); /* slave.c */ extern const struct dsa_device_ops notag_netdev_ops; diff --git a/net/dsa/port.c b/net/dsa/port.c index 6cc4704190fd..da8577fb3d07 100644 --- a/net/dsa/port.c +++ b/net/dsa/port.c @@ -11,9 +11,20 @@ */ #include <linux/if_bridge.h> +#include <linux/notifier.h> #include "dsa_priv.h" +static int dsa_port_notify(struct dsa_port *dp, unsigned long e, void *v) +{ + struct raw_notifier_head *nh = &dp->ds->dst->nh; + int err; + + err = raw_notifier_call_chain(nh, e, v); + + return notifier_to_errno(err); +} + int dsa_port_set_state(struct dsa_port *dp, u8 state, struct switchdev_trans *trans) { @@ -53,3 +64,50 @@ void dsa_port_set_state_now(struct dsa_port *dp, u8 state) if (err) pr_err("DSA: failed to set STP state %u (%d)\n", state, err); } + +int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br) +{ + struct dsa_notifier_bridge_info info = { + .sw_index = dp->ds->index, + .port = dp->index, + .br = br, + }; + int err; + + /* Here the port is already bridged. Reflect the current configuration + * so that drivers can program their chips accordingly. + */ + dp->bridge_dev = br; + + err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_JOIN, &info); + + /* The bridging is rolled back on error */ + if (err) + dp->bridge_dev = NULL; + + return err; +} + +void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br) +{ + struct dsa_notifier_bridge_info info = { + .sw_index = dp->ds->index, + .port = dp->index, + .br = br, + }; + int err; + + /* Here the port is already unbridged. Reflect the current configuration + * so that drivers can program their chips accordingly. + */ + dp->bridge_dev = NULL; + + err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_LEAVE, &info); + if (err) + pr_err("DSA: failed to notify DSA_NOTIFIER_BRIDGE_LEAVE\n"); + + /* 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 + */ + dsa_port_set_state_now(dp, BR_STATE_FORWARDING); +} diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 2c57c7205aa3..ab298c41b8e7 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -27,16 +27,6 @@ static bool dsa_slave_dev_check(struct net_device *dev); -static int dsa_port_notify(struct dsa_port *dp, unsigned long e, void *v) -{ - struct raw_notifier_head *nh = &dp->ds->dst->nh; - int err; - - err = raw_notifier_call_chain(nh, e, v); - - return notifier_to_errno(err); -} - /* slave mii_bus handling ***************************************************/ static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg) { @@ -514,53 +504,6 @@ static int dsa_slave_port_obj_dump(struct net_device *dev, return err; } -static int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br) -{ - struct dsa_notifier_bridge_info info = { - .sw_index = dp->ds->index, - .port = dp->index, - .br = br, - }; - int err; - - /* Here the port is already bridged. Reflect the current configuration - * so that drivers can program their chips accordingly. - */ - dp->bridge_dev = br; - - err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_JOIN, &info); - - /* The bridging is rolled back on error */ - if (err) - dp->bridge_dev = NULL; - - return err; -} - -static void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br) -{ - struct dsa_notifier_bridge_info info = { - .sw_index = dp->ds->index, - .port = dp->index, - .br = br, - }; - int err; - - /* Here the port is already unbridged. Reflect the current configuration - * so that drivers can program their chips accordingly. - */ - dp->bridge_dev = NULL; - - err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_LEAVE, &info); - if (err) - pr_err("DSA: failed to notify DSA_NOTIFIER_BRIDGE_LEAVE\n"); - - /* 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 - */ - dsa_port_set_state_now(dp, BR_STATE_FORWARDING); -} - static int dsa_slave_port_attr_get(struct net_device *dev, struct switchdev_attr *attr) { |