96822d783f
* TX Flow Control and Code cleanup * Use semaphore instead of delay TX functionality is done. * Use single buffer and empty queue on exit * Fix compile issues because of LwIP code relocation * Add temporary header to fix Azure not compiling * Fix AsyncUDP early init * AsyncUDP Multicast fixes * Add source mac address and rework multicast * Allow redefinition of default pins for Serials 1 and 2 * Update IDF to 3276a13 * Update esptool.py to 2.5.0 * Fix sketches * Fix log level in BluetoothSetial
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/**
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* @file
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* ARP protocol definitions
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*/
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/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef LWIP_HDR_PROT_ETHARP_H
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#define LWIP_HDR_PROT_ETHARP_H
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#include "lwip/arch.h"
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#include "lwip/prot/ethernet.h"
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#include "lwip/ip4_addr.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef ETHARP_HWADDR_LEN
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#define ETHARP_HWADDR_LEN ETH_HWADDR_LEN
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#endif
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#ifdef PACK_STRUCT_USE_INCLUDES
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# include "arch/bpstruct.h"
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#endif
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PACK_STRUCT_BEGIN
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/** the ARP message, see RFC 826 ("Packet format") */
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struct etharp_hdr {
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PACK_STRUCT_FIELD(u16_t hwtype);
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PACK_STRUCT_FIELD(u16_t proto);
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PACK_STRUCT_FLD_8(u8_t hwlen);
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PACK_STRUCT_FLD_8(u8_t protolen);
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PACK_STRUCT_FIELD(u16_t opcode);
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PACK_STRUCT_FLD_S(struct eth_addr shwaddr);
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PACK_STRUCT_FLD_S(struct ip4_addr2 sipaddr);
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PACK_STRUCT_FLD_S(struct eth_addr dhwaddr);
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PACK_STRUCT_FLD_S(struct ip4_addr2 dipaddr);
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} PACK_STRUCT_STRUCT;
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PACK_STRUCT_END
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#ifdef PACK_STRUCT_USE_INCLUDES
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# include "arch/epstruct.h"
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#endif
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#define SIZEOF_ETHARP_HDR 28
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/* ARP hwtype values */
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enum etharp_hwtype {
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HWTYPE_ETHERNET = 1
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/* others not used */
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};
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/* ARP message types (opcodes) */
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enum etharp_opcode {
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ARP_REQUEST = 1,
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ARP_REPLY = 2
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWIP_HDR_PROT_ETHARP_H */
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