kernel_liteos_a1/net/lwip-2.1/porting/include/lwip/dhcp.h

68 lines
2.5 KiB
C
Executable File

/*
* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. 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. Neither the name of the copyright holder 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 HOLDER 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 _LWIP_PORTING_DHCP_H_
#define _LWIP_PORTING_DHCP_H_
#include <lwip/opt.h>
#if LWIP_DHCPS
#define DHCP_OPTION_IDX_SERVER_ID DHCP_OPTION_IDX_SERVER_ID, \
DHCP_OPTION_IDX_REQUESTED_IP
#endif
#include_next <lwip/dhcp.h>
#if LWIP_DHCPS
#undef DHCP_OPTION_IDX_SERVER_ID
#endif
#include <lwip/prot/dhcp.h> // For DHCP_STATE_BOUND, DHCP_DISCOVER etc. by `mac/common/mac_data.c'
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_DHCPS
#define LWIP_HOOK_DHCP_PARSE_OPTION(netif, dhcp, state, msg, msg_type, option, len, pbuf, offset) \
LWIP_UNUSED_ARG(msg); \
break; \
case (DHCP_OPTION_REQUESTED_IP): \
LWIP_ERROR("len == 4", len == 4, return ERR_VAL); \
decode_idx = DHCP_OPTION_IDX_REQUESTED_IP;
#endif
err_t dhcp_is_bound(struct netif *netif);
#ifdef __cplusplus
}
#endif
#endif /* _LWIP_PORTING_DHCP_H_ */