mirror of
https://github.com/torvalds/linux.git
synced 2024-11-11 14:42:24 +00:00
4710d806fc
This patch fixed the coding style issues reported by checkpatch.pl
following issues fixed:
CHECK: Alignment should match open parenthesis
WARNING: line over 80 characters
CHECK: Blank lines aren't necessary before a close brace '}'
WARNING: networking block comments don't use an empty /* line, use /* Comment...
WARNING: Missing a blank line after declarations
WARNING: networking block comments start with * on subsequent lines
CHECK: braces {} should be used on all arms of this statement
Signed-off-by: Varka Bhadram <varkab@cdac.in>
Tested-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
404 lines
9.6 KiB
C
404 lines
9.6 KiB
C
/*
|
|
* Copyright 2007-2012 Siemens AG
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Written by:
|
|
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
|
|
* Sergey Lapin <slapin@ossfans.org>
|
|
* Maxim Gorbachyov <maxim.gorbachev@siemens.com>
|
|
* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
|
|
*/
|
|
|
|
#include <linux/if_arp.h>
|
|
|
|
#include <net/mac802154.h>
|
|
#include <net/ieee802154_netdev.h>
|
|
#include <net/wpan-phy.h>
|
|
|
|
#include "mac802154.h"
|
|
|
|
struct phy_chan_notify_work {
|
|
struct work_struct work;
|
|
struct net_device *dev;
|
|
};
|
|
|
|
struct hw_addr_filt_notify_work {
|
|
struct work_struct work;
|
|
struct net_device *dev;
|
|
unsigned long changed;
|
|
};
|
|
|
|
static struct mac802154_priv *mac802154_slave_get_priv(struct net_device *dev)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
return priv->hw;
|
|
}
|
|
|
|
static void hw_addr_notify(struct work_struct *work)
|
|
{
|
|
struct hw_addr_filt_notify_work *nw = container_of(work,
|
|
struct hw_addr_filt_notify_work, work);
|
|
struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev);
|
|
int res;
|
|
|
|
res = hw->ops->set_hw_addr_filt(&hw->hw,
|
|
&hw->hw.hw_filt,
|
|
nw->changed);
|
|
if (res)
|
|
pr_debug("failed changed mask %lx\n", nw->changed);
|
|
|
|
kfree(nw);
|
|
}
|
|
|
|
static void set_hw_addr_filt(struct net_device *dev, unsigned long changed)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
struct hw_addr_filt_notify_work *work;
|
|
|
|
work = kzalloc(sizeof(*work), GFP_ATOMIC);
|
|
if (!work)
|
|
return;
|
|
|
|
INIT_WORK(&work->work, hw_addr_notify);
|
|
work->dev = dev;
|
|
work->changed = changed;
|
|
queue_work(priv->hw->dev_workqueue, &work->work);
|
|
}
|
|
|
|
void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
spin_lock_bh(&priv->mib_lock);
|
|
priv->short_addr = val;
|
|
spin_unlock_bh(&priv->mib_lock);
|
|
|
|
if ((priv->hw->ops->set_hw_addr_filt) &&
|
|
(priv->hw->hw.hw_filt.short_addr != priv->short_addr)) {
|
|
priv->hw->hw.hw_filt.short_addr = priv->short_addr;
|
|
set_hw_addr_filt(dev, IEEE802515_AFILT_SADDR_CHANGED);
|
|
}
|
|
}
|
|
|
|
__le16 mac802154_dev_get_short_addr(const struct net_device *dev)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
__le16 ret;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
spin_lock_bh(&priv->mib_lock);
|
|
ret = priv->short_addr;
|
|
spin_unlock_bh(&priv->mib_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void mac802154_dev_set_ieee_addr(struct net_device *dev)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
struct mac802154_priv *mac = priv->hw;
|
|
|
|
priv->extended_addr = ieee802154_devaddr_from_raw(dev->dev_addr);
|
|
|
|
if (mac->ops->set_hw_addr_filt &&
|
|
mac->hw.hw_filt.ieee_addr != priv->extended_addr) {
|
|
mac->hw.hw_filt.ieee_addr = priv->extended_addr;
|
|
set_hw_addr_filt(dev, IEEE802515_AFILT_IEEEADDR_CHANGED);
|
|
}
|
|
}
|
|
|
|
__le16 mac802154_dev_get_pan_id(const struct net_device *dev)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
__le16 ret;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
spin_lock_bh(&priv->mib_lock);
|
|
ret = priv->pan_id;
|
|
spin_unlock_bh(&priv->mib_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
spin_lock_bh(&priv->mib_lock);
|
|
priv->pan_id = val;
|
|
spin_unlock_bh(&priv->mib_lock);
|
|
|
|
if ((priv->hw->ops->set_hw_addr_filt) &&
|
|
(priv->hw->hw.hw_filt.pan_id != priv->pan_id)) {
|
|
priv->hw->hw.hw_filt.pan_id = priv->pan_id;
|
|
set_hw_addr_filt(dev, IEEE802515_AFILT_PANID_CHANGED);
|
|
}
|
|
}
|
|
|
|
u8 mac802154_dev_get_dsn(const struct net_device *dev)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
return priv->dsn++;
|
|
}
|
|
|
|
static void phy_chan_notify(struct work_struct *work)
|
|
{
|
|
struct phy_chan_notify_work *nw = container_of(work,
|
|
struct phy_chan_notify_work, work);
|
|
struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev);
|
|
struct mac802154_sub_if_data *priv = netdev_priv(nw->dev);
|
|
int res;
|
|
|
|
mutex_lock(&priv->hw->phy->pib_lock);
|
|
res = hw->ops->set_channel(&hw->hw, priv->page, priv->chan);
|
|
if (res) {
|
|
pr_debug("set_channel failed\n");
|
|
} else {
|
|
priv->hw->phy->current_channel = priv->chan;
|
|
priv->hw->phy->current_page = priv->page;
|
|
}
|
|
mutex_unlock(&priv->hw->phy->pib_lock);
|
|
|
|
kfree(nw);
|
|
}
|
|
|
|
void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
struct phy_chan_notify_work *work;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
spin_lock_bh(&priv->mib_lock);
|
|
priv->page = page;
|
|
priv->chan = chan;
|
|
spin_unlock_bh(&priv->mib_lock);
|
|
|
|
mutex_lock(&priv->hw->phy->pib_lock);
|
|
if (priv->hw->phy->current_channel != priv->chan ||
|
|
priv->hw->phy->current_page != priv->page) {
|
|
mutex_unlock(&priv->hw->phy->pib_lock);
|
|
|
|
work = kzalloc(sizeof(*work), GFP_ATOMIC);
|
|
if (!work)
|
|
return;
|
|
|
|
INIT_WORK(&work->work, phy_chan_notify);
|
|
work->dev = dev;
|
|
queue_work(priv->hw->dev_workqueue, &work->work);
|
|
} else {
|
|
mutex_unlock(&priv->hw->phy->pib_lock);
|
|
}
|
|
}
|
|
|
|
|
|
int mac802154_get_params(struct net_device *dev,
|
|
struct ieee802154_llsec_params *params)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
int res;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
res = mac802154_llsec_get_params(&priv->sec, params);
|
|
mutex_unlock(&priv->sec_mtx);
|
|
|
|
return res;
|
|
}
|
|
|
|
int mac802154_set_params(struct net_device *dev,
|
|
const struct ieee802154_llsec_params *params,
|
|
int changed)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
int res;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
res = mac802154_llsec_set_params(&priv->sec, params, changed);
|
|
mutex_unlock(&priv->sec_mtx);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
int mac802154_add_key(struct net_device *dev,
|
|
const struct ieee802154_llsec_key_id *id,
|
|
const struct ieee802154_llsec_key *key)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
int res;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
res = mac802154_llsec_key_add(&priv->sec, id, key);
|
|
mutex_unlock(&priv->sec_mtx);
|
|
|
|
return res;
|
|
}
|
|
|
|
int mac802154_del_key(struct net_device *dev,
|
|
const struct ieee802154_llsec_key_id *id)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
int res;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
res = mac802154_llsec_key_del(&priv->sec, id);
|
|
mutex_unlock(&priv->sec_mtx);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
int mac802154_add_dev(struct net_device *dev,
|
|
const struct ieee802154_llsec_device *llsec_dev)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
int res;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
res = mac802154_llsec_dev_add(&priv->sec, llsec_dev);
|
|
mutex_unlock(&priv->sec_mtx);
|
|
|
|
return res;
|
|
}
|
|
|
|
int mac802154_del_dev(struct net_device *dev, __le64 dev_addr)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
int res;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
res = mac802154_llsec_dev_del(&priv->sec, dev_addr);
|
|
mutex_unlock(&priv->sec_mtx);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
int mac802154_add_devkey(struct net_device *dev,
|
|
__le64 device_addr,
|
|
const struct ieee802154_llsec_device_key *key)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
int res;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
res = mac802154_llsec_devkey_add(&priv->sec, device_addr, key);
|
|
mutex_unlock(&priv->sec_mtx);
|
|
|
|
return res;
|
|
}
|
|
|
|
int mac802154_del_devkey(struct net_device *dev,
|
|
__le64 device_addr,
|
|
const struct ieee802154_llsec_device_key *key)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
int res;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
res = mac802154_llsec_devkey_del(&priv->sec, device_addr, key);
|
|
mutex_unlock(&priv->sec_mtx);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
int mac802154_add_seclevel(struct net_device *dev,
|
|
const struct ieee802154_llsec_seclevel *sl)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
int res;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
res = mac802154_llsec_seclevel_add(&priv->sec, sl);
|
|
mutex_unlock(&priv->sec_mtx);
|
|
|
|
return res;
|
|
}
|
|
|
|
int mac802154_del_seclevel(struct net_device *dev,
|
|
const struct ieee802154_llsec_seclevel *sl)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
int res;
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
res = mac802154_llsec_seclevel_del(&priv->sec, sl);
|
|
mutex_unlock(&priv->sec_mtx);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
void mac802154_lock_table(struct net_device *dev)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_lock(&priv->sec_mtx);
|
|
}
|
|
|
|
void mac802154_get_table(struct net_device *dev,
|
|
struct ieee802154_llsec_table **t)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
*t = &priv->sec.table;
|
|
}
|
|
|
|
void mac802154_unlock_table(struct net_device *dev)
|
|
{
|
|
struct mac802154_sub_if_data *priv = netdev_priv(dev);
|
|
|
|
BUG_ON(dev->type != ARPHRD_IEEE802154);
|
|
|
|
mutex_unlock(&priv->sec_mtx);
|
|
}
|