forked from luck/tmp_suning_uos_patched
38dcf357ae
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. Signed-off-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com> Acked-by: Thomas Graf <tgraf@suug.ch> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/*
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* net/switchdev/switchdev.c - Switch device API
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* Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/netdevice.h>
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#include <net/switchdev.h>
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/**
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* netdev_switch_parent_id_get - Get ID of a switch
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* @dev: port device
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* @psid: switch ID
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*
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* Get ID of a switch this port is part of.
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*/
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int netdev_switch_parent_id_get(struct net_device *dev,
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struct netdev_phys_item_id *psid)
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{
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const struct net_device_ops *ops = dev->netdev_ops;
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if (!ops->ndo_switch_parent_id_get)
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return -EOPNOTSUPP;
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return ops->ndo_switch_parent_id_get(dev, psid);
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}
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EXPORT_SYMBOL(netdev_switch_parent_id_get);
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/**
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* netdev_switch_port_stp_update - Notify switch device port of STP
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* state change
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* @dev: port device
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* @state: port STP state
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*
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* Notify switch device port of bridge port STP state change.
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*/
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int netdev_switch_port_stp_update(struct net_device *dev, u8 state)
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{
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const struct net_device_ops *ops = dev->netdev_ops;
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if (!ops->ndo_switch_port_stp_update)
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return -EOPNOTSUPP;
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WARN_ON(!ops->ndo_switch_parent_id_get);
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return ops->ndo_switch_port_stp_update(dev, state);
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}
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EXPORT_SYMBOL(netdev_switch_port_stp_update);
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