1e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com/* 2e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * Loopback IEEE 802.15.4 interface 3e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * 4e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * Copyright 2007-2012 Siemens AG 5e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * 6e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * This program is free software; you can redistribute it and/or modify 7e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * it under the terms of the GNU General Public License version 2 8e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * as published by the Free Software Foundation. 9e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * 10e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * This program is distributed in the hope that it will be useful, 11e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * but WITHOUT ANY WARRANTY; without even the implied warranty of 12e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * GNU General Public License for more details. 14e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * 15e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * You should have received a copy of the GNU General Public License along 16e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * with this program; if not, write to the Free Software Foundation, Inc., 17e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * 19e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * Written by: 20e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * Sergey Lapin <slapin@ossfans.org> 21e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> 22e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com * Alexander Smirnov <alex.bluesman.smirnov@gmail.com> 23e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com */ 24e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 25e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com#include <linux/module.h> 26e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com#include <linux/timer.h> 27e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com#include <linux/platform_device.h> 28e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com#include <linux/netdevice.h> 2912b5c38f2dee5981c318171805fa62f2cd7475b3Himangi Saraogi#include <linux/device.h> 30e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com#include <linux/spinlock.h> 31e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com#include <net/mac802154.h> 32e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com#include <net/wpan-phy.h> 33e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 34e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic int numlbs = 1; 35e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 36e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstruct fakelb_dev_priv { 37e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct ieee802154_dev *dev; 38e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 39e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct list_head list; 40e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_priv *fake; 41e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 42e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com spinlock_t lock; 43e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com bool working; 44e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com}; 45e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 46e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstruct fakelb_priv { 47e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct list_head list; 48e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com rwlock_t lock; 49e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com}; 50e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 51e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic int 52e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comfakelb_hw_ed(struct ieee802154_dev *dev, u8 *level) 53e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com{ 54e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com might_sleep(); 55e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com BUG_ON(!level); 56e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com *level = 0xbe; 57e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 58e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return 0; 59e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 60e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 61e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic int 62e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comfakelb_hw_channel(struct ieee802154_dev *dev, int page, int channel) 63e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com{ 64e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com pr_debug("set channel to %d\n", channel); 65e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 66e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com might_sleep(); 67e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com dev->phy->current_page = page; 68e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com dev->phy->current_channel = channel; 69e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 70e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return 0; 71e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 72e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 73e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic void 74e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comfakelb_hw_deliver(struct fakelb_dev_priv *priv, struct sk_buff *skb) 75e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com{ 76e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct sk_buff *newskb; 77e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 78e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com spin_lock(&priv->lock); 79e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com if (priv->working) { 80e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com newskb = pskb_copy(skb, GFP_ATOMIC); 81e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee802154_rx_irqsafe(priv->dev, newskb, 0xcc); 82e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com } 83e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com spin_unlock(&priv->lock); 84e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 85e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 86e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic int 87e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comfakelb_hw_xmit(struct ieee802154_dev *dev, struct sk_buff *skb) 88e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com{ 89e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_dev_priv *priv = dev->priv; 90e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_priv *fake = priv->fake; 91e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 92e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com might_sleep(); 93e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 94e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com read_lock_bh(&fake->lock); 95e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com if (priv->list.next == priv->list.prev) { 96e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* we are the only one device */ 97e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com fakelb_hw_deliver(priv, skb); 98e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com } else { 99e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_dev_priv *dp; 100e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com list_for_each_entry(dp, &priv->fake->list, list) { 101e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com if (dp != priv && 102e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com (dp->dev->phy->current_channel == 103e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com priv->dev->phy->current_channel)) 104e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com fakelb_hw_deliver(dp, skb); 105e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com } 106e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com } 107e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com read_unlock_bh(&fake->lock); 108e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 109e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return 0; 110e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 111e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 112e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic int 113e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comfakelb_hw_start(struct ieee802154_dev *dev) { 114e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_dev_priv *priv = dev->priv; 115e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com int ret = 0; 116e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 117e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com spin_lock(&priv->lock); 118e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com if (priv->working) 119e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ret = -EBUSY; 120e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com else 121e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com priv->working = 1; 122e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com spin_unlock(&priv->lock); 123e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 124e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return ret; 125e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 126e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 127e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic void 128e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comfakelb_hw_stop(struct ieee802154_dev *dev) { 129e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_dev_priv *priv = dev->priv; 130e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 131e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com spin_lock(&priv->lock); 132e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com priv->working = 0; 133e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com spin_unlock(&priv->lock); 134e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 135e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 136e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic struct ieee802154_ops fakelb_ops = { 137e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com .owner = THIS_MODULE, 138e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com .xmit = fakelb_hw_xmit, 139e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com .ed = fakelb_hw_ed, 140e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com .set_channel = fakelb_hw_channel, 141e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com .start = fakelb_hw_start, 142e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com .stop = fakelb_hw_stop, 143e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com}; 144e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 145e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com/* Number of dummy devices to be set up by this module. */ 146e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.commodule_param(numlbs, int, 0); 147e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comMODULE_PARM_DESC(numlbs, " number of pseudo devices"); 148e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 149e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic int fakelb_add_one(struct device *dev, struct fakelb_priv *fake) 150e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com{ 151e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_dev_priv *priv; 152e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com int err; 153e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct ieee802154_dev *ieee; 154e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 155e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee = ieee802154_alloc_device(sizeof(*priv), &fakelb_ops); 156e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com if (!ieee) 157e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return -ENOMEM; 158e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 159e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com priv = ieee->priv; 160e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com priv->dev = ieee; 161e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 162e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 868 MHz BPSK 802.15.4-2003 */ 163e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[0] |= 1; 164e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 915 MHz BPSK 802.15.4-2003 */ 165e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[0] |= 0x7fe; 166e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 2.4 GHz O-QPSK 802.15.4-2003 */ 167e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[0] |= 0x7FFF800; 168e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 868 MHz ASK 802.15.4-2006 */ 169e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[1] |= 1; 170e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 915 MHz ASK 802.15.4-2006 */ 171e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[1] |= 0x7fe; 172e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 868 MHz O-QPSK 802.15.4-2006 */ 173e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[2] |= 1; 174e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 915 MHz O-QPSK 802.15.4-2006 */ 175e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[2] |= 0x7fe; 176e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 2.4 GHz CSS 802.15.4a-2007 */ 177e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[3] |= 0x3fff; 178e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* UWB Sub-gigahertz 802.15.4a-2007 */ 179e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[4] |= 1; 180e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* UWB Low band 802.15.4a-2007 */ 181e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[4] |= 0x1e; 182e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* UWB High band 802.15.4a-2007 */ 183e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[4] |= 0xffe0; 184e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 750 MHz O-QPSK 802.15.4c-2009 */ 185e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[5] |= 0xf; 186e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 750 MHz MPSK 802.15.4c-2009 */ 187e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[5] |= 0xf0; 188e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 950 MHz BPSK 802.15.4d-2009 */ 189e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[6] |= 0x3ff; 190e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com /* 950 MHz GFSK 802.15.4d-2009 */ 191e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->phy->channels_supported[6] |= 0x3ffc00; 192e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 193e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com INIT_LIST_HEAD(&priv->list); 194e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com priv->fake = fake; 195e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 196e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com spin_lock_init(&priv->lock); 197e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 198e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee->parent = dev; 199e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 200e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com err = ieee802154_register_device(ieee); 201e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com if (err) 202e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com goto err_reg; 203e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 204e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com write_lock_bh(&fake->lock); 205e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com list_add_tail(&priv->list, &fake->list); 206e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com write_unlock_bh(&fake->lock); 207e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 208e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return 0; 209e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 210e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comerr_reg: 211e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee802154_free_device(priv->dev); 212e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return err; 213e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 214e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 215e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic void fakelb_del(struct fakelb_dev_priv *priv) 216e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com{ 217e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com write_lock_bh(&priv->fake->lock); 218e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com list_del(&priv->list); 219e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com write_unlock_bh(&priv->fake->lock); 220e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 221e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee802154_unregister_device(priv->dev); 222e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee802154_free_device(priv->dev); 223e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 224e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 225bb1f4606754c45bbb467c15aa5fec84228f73e47Bill Pembertonstatic int fakelb_probe(struct platform_device *pdev) 226e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com{ 227e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_priv *priv; 228e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_dev_priv *dp; 229e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com int err = -ENOMEM; 230e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com int i; 231e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 23212b5c38f2dee5981c318171805fa62f2cd7475b3Himangi Saraogi priv = devm_kzalloc(&pdev->dev, sizeof(struct fakelb_priv), 23312b5c38f2dee5981c318171805fa62f2cd7475b3Himangi Saraogi GFP_KERNEL); 234e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com if (!priv) 235e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com goto err_alloc; 236e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 237e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com INIT_LIST_HEAD(&priv->list); 238e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com rwlock_init(&priv->lock); 239e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 240e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com for (i = 0; i < numlbs; i++) { 241e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com err = fakelb_add_one(&pdev->dev, priv); 242e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com if (err < 0) 243e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com goto err_slave; 244e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com } 245e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 246e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com platform_set_drvdata(pdev, priv); 247e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com dev_info(&pdev->dev, "added ieee802154 hardware\n"); 248e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return 0; 249e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 250e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comerr_slave: 251e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com list_for_each_entry(dp, &priv->list, list) 252e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com fakelb_del(dp); 253e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comerr_alloc: 254e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return err; 255e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 256e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 257bb1f4606754c45bbb467c15aa5fec84228f73e47Bill Pembertonstatic int fakelb_remove(struct platform_device *pdev) 258e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com{ 259e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_priv *priv = platform_get_drvdata(pdev); 260e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com struct fakelb_dev_priv *dp, *temp; 261e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 262e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com list_for_each_entry_safe(dp, temp, &priv->list, list) 263e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com fakelb_del(dp); 264e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 265e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return 0; 266e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 267e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 268e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic struct platform_device *ieee802154fake_dev; 269e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 270e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic struct platform_driver ieee802154fake_driver = { 271e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com .probe = fakelb_probe, 272bb1f4606754c45bbb467c15aa5fec84228f73e47Bill Pemberton .remove = fakelb_remove, 273e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com .driver = { 274e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com .name = "ieee802154fakelb", 275e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com .owner = THIS_MODULE, 276e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com }, 277e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com}; 278e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 279e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic __init int fakelb_init_module(void) 280e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com{ 281e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com ieee802154fake_dev = platform_device_register_simple( 282e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com "ieee802154fakelb", -1, NULL, 0); 283e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com return platform_driver_register(&ieee802154fake_driver); 284e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 285e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 286e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comstatic __exit void fake_remove_module(void) 287e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com{ 288e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com platform_driver_unregister(&ieee802154fake_driver); 289e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com platform_device_unregister(ieee802154fake_dev); 290e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com} 291e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.com 292e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.commodule_init(fakelb_init_module); 293e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.commodule_exit(fake_remove_module); 294e1e49b641387b85098b05dc92b792c9ef01c2075alex.bluesman.smirnov@gmail.comMODULE_LICENSE("GPL"); 295