| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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 | #include <linux/bug.h> |
| 27 | |
| 28 | struct wpan_phy { |
| 29 | struct mutex pib_lock; |
| 30 | |
| 31 | /* |
| 32 | * This is a PIB according to 802.15.4-2006. |
| 33 | * We do not provide timing-related variables, as they |
| 34 | * aren't used outside of driver |
| 35 | */ |
| 36 | u8 current_channel; |
| 37 | u8 current_page; |
| 38 | u32 channels_supported[32]; |
| 39 | u8 transmit_power; |
| 40 | u8 cca_mode; |
| 41 | |
| 42 | struct device dev; |
| 43 | int idx; |
| 44 | |
| 45 | struct net_device *(*add_iface)(struct wpan_phy *phy, |
| 46 | const char *name); |
| 47 | void (*del_iface)(struct wpan_phy *phy, struct net_device *dev); |
| 48 | |
| 49 | char priv[0] __attribute__((__aligned__(NETDEV_ALIGN))); |
| 50 | }; |
| 51 | |
| 52 | #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev) |
| 53 | |
| 54 | struct wpan_phy *wpan_phy_alloc(size_t priv_size); |
| 55 | static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev) |
| 56 | { |
| 57 | phy->dev.parent = dev; |
| 58 | } |
| 59 | int wpan_phy_register(struct wpan_phy *phy); |
| 60 | void wpan_phy_unregister(struct wpan_phy *phy); |
| 61 | void wpan_phy_free(struct wpan_phy *phy); |
| 62 | /* Same semantics as for class_for_each_device */ |
| 63 | int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data); |
| 64 | |
| 65 | static inline void *wpan_phy_priv(struct wpan_phy *phy) |
| 66 | { |
| 67 | BUG_ON(!phy); |
| 68 | return &phy->priv; |
| 69 | } |
| 70 | |
| 71 | struct wpan_phy *wpan_phy_find(const char *str); |
| 72 | |
| 73 | static inline void wpan_phy_put(struct wpan_phy *phy) |
| 74 | { |
| 75 | put_device(&phy->dev); |
| 76 | } |
| 77 | |
| 78 | static inline const char *wpan_phy_name(struct wpan_phy *phy) |
| 79 | { |
| 80 | return dev_name(&phy->dev); |
| 81 | } |
| 82 | #endif |