/* * 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__ */