bridge: call netdev_sw_port_stp_update when bridge port STP status changes

To notify switch driver of change in STP state of bridge port, add new .ndo op and provide switchdev wrapper func to call ndo op. Use it in bridge code then.

Scott Feldman committed 11 years ago

Commit 38dcf351 parent aecbe014 files · +38 −0Browse files

Showing the changes to net/switchdev/switchdev.c (1 of 4 files). Show all

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net/switchdev/switchdev.c+19−0

@@ -31,3 +31,22 @@ int netdev_switch_parent_id_get(struct net_device *dev, · 30 unmodified lines
31	31	return ops->ndo_switch_parent_id_get(dev, psid);
32	32	}
33	33	EXPORT_SYMBOL(netdev_switch_parent_id_get);
	34	+
	35	+/**
	36	+ * netdev_switch_port_stp_update - Notify switch device port of STP
	37	+ * state change
	38	+ * @dev: port device
	39	+ * @state: port STP state
	40	+ *
	41	+ * Notify switch device port of bridge port STP state change.
	42	+ */
	43	+int netdev_switch_port_stp_update(struct net_device *dev, u8 state)
	44	+{
	45	+ const struct net_device_ops *ops = dev->netdev_ops;
	46	+
	47	+ if (!ops->ndo_switch_port_stp_update)
	48	+ return -EOPNOTSUPP;
	49	+ WARN_ON(!ops->ndo_switch_parent_id_get);
	50	+ return ops->ndo_switch_port_stp_update(dev, state);
	51	+}
	52	+EXPORT_SYMBOL(netdev_switch_port_stp_update);