1/* 2 * Copyright (C) 2007, 2008, 2009 Siemens AG 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 6 * as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License along 14 * with this program; if not, write to the Free Software Foundation, Inc., 15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 16 * 17 * Written by: 18 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> 19 */ 20 21#ifndef WPAN_PHY_H 22#define WPAN_PHY_H 23 24#include <linux/netdevice.h> 25#include <linux/mutex.h> 26 27struct wpan_phy { 28 struct mutex pib_lock; 29 30 /* 31 * This is a PIB acording to 802.15.4-2006. 32 * We do not provide timing-related variables, as they 33 * aren't used outside of driver 34 */ 35 u8 current_channel; 36 u8 current_page; 37 u32 channels_supported[32]; 38 u8 transmit_power; 39 u8 cca_mode; 40 41 struct device dev; 42 int idx; 43 44 struct net_device *(*add_iface)(struct wpan_phy *phy, 45 const char *name); 46 void (*del_iface)(struct wpan_phy *phy, struct net_device *dev); 47 48 char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); 49}; 50 51#define to_phy(_dev) container_of(_dev, struct wpan_phy, dev) 52 53struct wpan_phy *wpan_phy_alloc(size_t priv_size); 54static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev) 55{ 56 phy->dev.parent = dev; 57} 58int wpan_phy_register(struct wpan_phy *phy); 59void wpan_phy_unregister(struct wpan_phy *phy); 60void wpan_phy_free(struct wpan_phy *phy); 61/* Same semantics as for class_for_each_device */ 62int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data); 63 64static inline void *wpan_phy_priv(struct wpan_phy *phy) 65{ 66 BUG_ON(!phy); 67 return &phy->priv; 68} 69 70struct wpan_phy *wpan_phy_find(const char *str); 71 72static inline void wpan_phy_put(struct wpan_phy *phy) 73{ 74 put_device(&phy->dev); 75} 76 77static inline const char *wpan_phy_name(struct wpan_phy *phy) 78{ 79 return dev_name(&phy->dev); 80} 81#endif 82