text: /*
   * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
   * All rights reserved.
   *
   * 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. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
   *
   * This file is part of the lwIP TCP/IP stack.
   *
   * Author: Adam Dunkels <adam@sics.se>
   *
   */
  /*
   * Modified for port to ARC processor
   * by Huaqi Fang huaqi.fang@synopsys.com, Synopsys, Inc.
   */
  
  #ifndef _RSWIFI_NETIF_H_
  #define _RSWIFI_NETIF_H_
  
  #include "stdint.h"
  #include "lwip/opt.h"
  #include "lwip/def.h"
  #include "device/dev_wnic.h"
  
  #include "lwip/sys.h"
  
  /**
   * Helper struct to hold private data used to operate your ethernet interface.
   * Keeping the ethernet address of the MAC in this struct is not necessary
   * as it is already kept in the struct netif.
   * But this is only an example, anyway...
   */
  typedef struct wifi_if {
    DEV_WNIC        *wnic;
    struct netif    *netif;
    struct eth_addr *ethaddr;
    // void * rsi_buffer;
    /* Add whatever per-interface state that is needed here. */
  #if NO_SYS
    volatile int32_t on_output_cnt;
    volatile int32_t on_input_cnt;
  #else
    sys_sem_t output_sem;
    sys_sem_t input_sem;
  #endif
    volatile unsigned int cpu_status;
    volatile bool ready;
  } WIFI_IF, *WIFI_IF_PTR;
  
  err_t rswifi_on_input(uint16_t status, uint8_t *data, const uint32_t length);
  err_t rswifi_if_init(struct netif *netif);
  
  #endif /* _RSWIFI_NETIF_H_ */