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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 15:37:24 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-07 15:37:24 -0800 |
commit | 7c7758f99d39d529a64d4f60d22129bbf2f16d74 (patch) | |
tree | 8847b5e56812fe4c4c812cfffc78e391a91f4ebe /net/wimax/wimax-internal.h | |
parent | 67acd8b4b7a3f1b183ae358e1dfdb8a80e170736 (diff) | |
parent | 8a70da82edc50aa7a4b54864babf2d72538ba1bb (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (123 commits)
wimax/i2400m: add CREDITS and MAINTAINERS entries
wimax: export linux/wimax.h and linux/wimax/i2400m.h with headers_install
i2400m: Makefile and Kconfig
i2400m/SDIO: TX and RX path backends
i2400m/SDIO: firmware upload backend
i2400m/SDIO: probe/disconnect, dev init/shutdown and reset backends
i2400m/SDIO: header for the SDIO subdriver
i2400m/USB: TX and RX path backends
i2400m/USB: firmware upload backend
i2400m/USB: probe/disconnect, dev init/shutdown and reset backends
i2400m/USB: header for the USB bus driver
i2400m: debugfs controls
i2400m: various functions for device management
i2400m: RX and TX data/control paths
i2400m: firmware loading and bootrom initialization
i2400m: linkage to the networking stack
i2400m: Generic probe/disconnect, reset and message passing
i2400m: host/device procotol and core driver definitions
i2400m: documentation and instructions for usage
wimax: Makefile, Kconfig and docbook linkage for the stack
...
Diffstat (limited to 'net/wimax/wimax-internal.h')
-rw-r--r-- | net/wimax/wimax-internal.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/net/wimax/wimax-internal.h b/net/wimax/wimax-internal.h new file mode 100644 index 00000000000..1e743d21485 --- /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 <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__ + +#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; +} +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__ */ |