diff options
Diffstat (limited to 'net/switchdev')
| -rw-r--r-- | net/switchdev/Kconfig | 13 | ||||
| -rw-r--r-- | net/switchdev/Makefile | 5 | ||||
| -rw-r--r-- | net/switchdev/switchdev.c | 52 |
3 files changed, 70 insertions, 0 deletions
diff --git a/net/switchdev/Kconfig b/net/switchdev/Kconfig new file mode 100644 index 000000000000..155754588fd6 --- /dev/null +++ b/net/switchdev/Kconfig @@ -0,0 +1,13 @@ +# +# Configuration for Switch device support +# + +config NET_SWITCHDEV + boolean "Switch (and switch-ish) device support (EXPERIMENTAL)" + depends on INET + ---help--- + This module provides glue between core networking code and device + drivers in order to support hardware switch chips in very generic + meaning of the word "switch". This include devices supporting L2/L3 but + also various flow offloading chips, including switches embedded into + SR-IOV NICs. diff --git a/net/switchdev/Makefile b/net/switchdev/Makefile new file mode 100644 index 000000000000..5ed63ed324d0 --- /dev/null +++ b/net/switchdev/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the Switch device API +# + +obj-$(CONFIG_NET_SWITCHDEV) += switchdev.o diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c new file mode 100644 index 000000000000..d162b21b14bd --- /dev/null +++ b/net/switchdev/switchdev.c @@ -0,0 +1,52 @@ +/* + * net/switchdev/switchdev.c - Switch device API + * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/init.h> +#include <linux/netdevice.h> +#include <net/switchdev.h> + +/** + * netdev_switch_parent_id_get - Get ID of a switch + * @dev: port device + * @psid: switch ID + * + * Get ID of a switch this port is part of. + */ +int netdev_switch_parent_id_get(struct net_device *dev, + struct netdev_phys_item_id *psid) +{ + const struct net_device_ops *ops = dev->netdev_ops; + + if (!ops->ndo_switch_parent_id_get) + return -EOPNOTSUPP; + return ops->ndo_switch_parent_id_get(dev, psid); +} +EXPORT_SYMBOL(netdev_switch_parent_id_get); + +/** + * netdev_switch_port_stp_update - Notify switch device port of STP + * state change + * @dev: port device + * @state: port STP state + * + * Notify switch device port of bridge port STP state change. + */ +int netdev_switch_port_stp_update(struct net_device *dev, u8 state) +{ + const struct net_device_ops *ops = dev->netdev_ops; + + if (!ops->ndo_switch_port_stp_update) + return -EOPNOTSUPP; + WARN_ON(!ops->ndo_switch_parent_id_get); + return ops->ndo_switch_port_stp_update(dev, state); +} +EXPORT_SYMBOL(netdev_switch_port_stp_update); |