include/net/wpan-phy.h

   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
  27 struct wpan_phy {
  28         struct mutex pib_lock;
  29
  30         /*
  31          * This is a PIB according 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
  53 struct wpan_phy *wpan_phy_alloc(size_t priv_size);
  54 static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)
  55 {
  56         phy->dev.parent = dev;
  57 }
  58 int wpan_phy_register(struct wpan_phy *phy);
  59 void wpan_phy_unregister(struct wpan_phy *phy);
  60 void wpan_phy_free(struct wpan_phy *phy);
  61 /* Same semantics as for class_for_each_device */
  62 int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);
  63
  64 static inline void *wpan_phy_priv(struct wpan_phy *phy)
  65 {
  66         BUG_ON(!phy);
  67         return &phy->priv;
  68 }
  69
  70 struct wpan_phy *wpan_phy_find(const char *str);
  71
  72 static inline void wpan_phy_put(struct wpan_phy *phy)
  73 {
  74         put_device(&phy->dev);
  75 }
  76
  77 static inline const char *wpan_phy_name(struct wpan_phy *phy)
  78 {
  79         return dev_name(&phy->dev);
  80 }
  81 #endif