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