108 lines
4.1 KiB
C
108 lines
4.1 KiB
C
/****************************************************************************
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* drivers/wireless/ieee80211/bcmf_driver.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_DRIVER_H
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#define __DRIVERS_WIRELESS_IEEE80211_BCMF_DRIVER_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <semaphore.h>
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#include <nuttx/net/netdev.h>
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#include <nuttx/wdog.h>
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#include <nuttx/wqueue.h>
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/* Chip interfaces */
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#define CHIP_STA_INTERFACE 0
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#define CHIP_AP_INTERFACE 1
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#define CHIP_P2P_INTERFACE 2
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struct bcmf_bus_dev_s;
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struct bcmf_frame_s;
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/* This structure contains the unique state of the Broadcom FullMAC driver */
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struct bcmf_dev_s
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{
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FAR struct bcmf_bus_dev_s *bus; /* Bus interface structure */
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bool bc_bifup; /* true:ifup false:ifdown */
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WDOG_ID bc_txpoll; /* TX poll timer */
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WDOG_ID bc_txtimeout; /* TX timeout timer */
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struct work_s bc_irqwork; /* For deferring interrupt work to the work queue */
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struct work_s bc_pollwork; /* For deferring poll work to the work queue */
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/* This holds the information visible to the NuttX network */
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struct net_driver_s bc_dev; /* Network interface structure */
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// FIXME use mutex instead of semaphore
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sem_t control_mutex; /* Cannot handle multiple control requests */
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sem_t control_timeout; /* Semaphore to wait for control frame rsp */
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uint16_t control_reqid; /* Current control request id */
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uint16_t control_rxdata_len; /* Received control frame out buffer length */
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uint8_t *control_rxdata; /* Received control frame out buffer */
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uint32_t control_status; /* Last received frame status */
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};
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/* Default bus interface structure */
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struct bcmf_bus_dev_s {
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void (*stop)(FAR struct bcmf_dev_s *priv);
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int (*txframe)(FAR struct bcmf_dev_s *priv, struct bcmf_frame_s *frame);
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/* Frame buffer allocation primitive
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* len - requested payload length
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* control - true if control frame else false
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* block - true to block until free frame is available
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*/
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struct bcmf_frame_s* (*allocate_frame)(FAR struct bcmf_dev_s *priv,
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unsigned int len, bool control, bool block);
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};
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/* bcmf frame definition */
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struct bcmf_frame_s {
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uint8_t *base; /* Frame base buffer used by low level layer (SDIO) */
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uint8_t *data; /* Payload data (Control, data and event messages) */
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unsigned int len; /* Frame buffer size */
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};
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int bcmf_wl_enable(FAR struct bcmf_dev_s *priv, bool enable);
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#endif /* __DRIVERS_WIRELESS_IEEE80211_BCMF_DRIVER_H */
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