| /* |
| * Linux WiMAX |
| * Internal API for kernel space WiMAX stack |
| * |
| * |
| * Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com> |
| * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> |
| * |
| * 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. |
| * |
| * |
| * This header file is for declarations and definitions internal to |
| * the WiMAX stack. For public APIs and documentation, see |
| * include/net/wimax.h and include/linux/wimax.h. |
| */ |
| |
| #ifndef __WIMAX_INTERNAL_H__ |
| #define __WIMAX_INTERNAL_H__ |
| #ifdef __KERNEL__ |
| |
| #ifdef pr_fmt |
| #undef pr_fmt |
| #endif |
| |
| #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| |
| #include <linux/device.h> |
| #include <net/wimax.h> |
| |
| |
| /* |
| * Decide if a (locked) device is ready for use |
| * |
| * Before using the device structure, it must be locked |
| * (wimax_dev->mutex). As well, most operations need to call this |
| * function to check if the state is the right one. |
| * |
| * An error value will be returned if the state is not the right |
| * one. In that case, the caller should not attempt to use the device |
| * and just unlock it. |
| */ |
| static inline __must_check |
| int wimax_dev_is_ready(struct wimax_dev *wimax_dev) |
| { |
| if (wimax_dev->state == __WIMAX_ST_NULL) |
| return -EINVAL; /* Device is not even registered! */ |
| if (wimax_dev->state == WIMAX_ST_DOWN) |
| return -ENOMEDIUM; |
| if (wimax_dev->state == __WIMAX_ST_QUIESCING) |
| return -ESHUTDOWN; |
| return 0; |
| } |
| |
| |
| static inline |
| void __wimax_state_set(struct wimax_dev *wimax_dev, enum wimax_st state) |
| { |
| wimax_dev->state = state; |
| } |
| void __wimax_state_change(struct wimax_dev *, enum wimax_st); |
| |
| #ifdef CONFIG_DEBUG_FS |
| int wimax_debugfs_add(struct wimax_dev *); |
| void wimax_debugfs_rm(struct wimax_dev *); |
| #else |
| static inline int wimax_debugfs_add(struct wimax_dev *wimax_dev) |
| { |
| return 0; |
| } |
| static inline void wimax_debugfs_rm(struct wimax_dev *wimax_dev) {} |
| #endif |
| |
| void wimax_id_table_add(struct wimax_dev *); |
| struct wimax_dev *wimax_dev_get_by_genl_info(struct genl_info *, int); |
| void wimax_id_table_rm(struct wimax_dev *); |
| void wimax_id_table_release(void); |
| |
| int wimax_rfkill_add(struct wimax_dev *); |
| void wimax_rfkill_rm(struct wimax_dev *); |
| |
| /* generic netlink */ |
| extern struct genl_family wimax_gnl_family; |
| |
| /* ops */ |
| int wimax_gnl_doit_msg_from_user(struct sk_buff *skb, struct genl_info *info); |
| int wimax_gnl_doit_reset(struct sk_buff *skb, struct genl_info *info); |
| int wimax_gnl_doit_rfkill(struct sk_buff *skb, struct genl_info *info); |
| int wimax_gnl_doit_state_get(struct sk_buff *skb, struct genl_info *info); |
| |
| #endif /* #ifdef __KERNEL__ */ |
| #endif /* #ifndef __WIMAX_INTERNAL_H__ */ |