81 lines
3.1 KiB
C
81 lines
3.1 KiB
C
/****************************************************************************
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* drivers/wireless/ieee80211/bcmf_utils.h
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Simon Piriou <spiriou31@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __DRIVERS_WIRELESS_IEEE80211_BCMF_UTILS_H
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#define __DRIVERS_WIRELESS_IEEE80211_BCMF_UTILS_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdint.h>
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#include <semaphore.h>
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#include <queue.h>
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#define container_of(ptr, type, member) \
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(type *)((uint8_t *)(ptr) - offsetof(type, member))
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#ifndef min
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#define min(a,b) ((a) < (b) ? (a) : (b))
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#endif
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#ifndef max
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#define max(a,b) ((a) > (b) ? (a) : (b))
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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void bcmf_hexdump(uint8_t *data, unsigned int len, unsigned long offset);
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int bcmf_sem_wait(sem_t *sem, unsigned int timeout_ms);
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dq_entry_t *bcmf_dqueue_pop_tail(dq_queue_t *queue);
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void bcmf_dqueue_push(dq_queue_t *queue, dq_entry_t *entry);
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static inline uint16_t bcmf_getle16(uint16_t *val)
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{
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uint8_t *valb = (uint8_t *)val;
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return (uint16_t)valb[0] << 8 | (uint16_t)valb[1];
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}
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static inline uint16_t bcmf_getle32(uint32_t *val)
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{
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uint16_t *valw = (uint16_t *)val;
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return (uint32_t)bcmf_getle16(valw) << 16 | bcmf_getle16(valw + 1);
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}
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#endif /* __DRIVERS_WIRELESS_IEEE80211_BCMF_UTILS_H */ |