From 60fa9ca6cfff2be4132ea93b7dd632801ec0c817 Mon Sep 17 00:00:00 2001 From: Inaky Perez-Gonzalez Date: Sat, 20 Dec 2008 16:57:34 -0800 Subject: wimax: internal API for the kernel space WiMAX stack This file contains declarations and definitions used by the different submodules of the stack. Signed-off-by: Inaky Perez-Gonzalez Signed-off-by: Greg Kroah-Hartman --- net/wimax/wimax-internal.h | 91 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 net/wimax/wimax-internal.h (limited to 'net/wimax') diff --git a/net/wimax/wimax-internal.h b/net/wimax/wimax-internal.h new file mode 100644 index 000000000000..1e743d214856 --- /dev/null +++ b/net/wimax/wimax-internal.h @@ -0,0 +1,91 @@ +/* + * Linux WiMAX + * Internal API for kernel space WiMAX stack + * + * + * Copyright (C) 2007 Intel Corporation + * Inaky Perez-Gonzalez + * + * 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__ + +#include +#include + + +/* + * 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; +} +extern void __wimax_state_change(struct wimax_dev *, enum wimax_st); + +#ifdef CONFIG_DEBUG_FS +extern int wimax_debugfs_add(struct wimax_dev *); +extern 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 + +extern void wimax_id_table_add(struct wimax_dev *); +extern struct wimax_dev *wimax_dev_get_by_genl_info(struct genl_info *, int); +extern void wimax_id_table_rm(struct wimax_dev *); +extern void wimax_id_table_release(void); + +extern int wimax_rfkill_add(struct wimax_dev *); +extern void wimax_rfkill_rm(struct wimax_dev *); + +extern struct genl_family wimax_gnl_family; +extern struct genl_multicast_group wimax_gnl_mcg; + +#endif /* #ifdef __KERNEL__ */ +#endif /* #ifndef __WIMAX_INTERNAL_H__ */ -- cgit v1.2.3-59-g8ed1b