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https://github.com/0xFEEDC0DE64/arduino-esp32.git
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Update IDF to 3.2-3276a13 and esptool.py to 2.5.0 (#1878)
* 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
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116
tools/sdk/include/lwip/lwip/etharp.h
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116
tools/sdk/include/lwip/lwip/etharp.h
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/**
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* @file
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* Ethernet output function - handles OUTGOING ethernet level traffic, implements
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* ARP resolving.
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* To be used in most low-level netif implementations
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*/
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/*
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* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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* Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv>
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* Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.
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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_NETIF_ETHARP_H
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#define LWIP_HDR_NETIF_ETHARP_H
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#include "lwip/opt.h"
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#if LWIP_ARP || LWIP_ETHERNET /* don't build if not configured for use in lwipopts.h */
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#include "lwip/pbuf.h"
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#include "lwip/ip4_addr.h"
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#include "lwip/netif.h"
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#include "lwip/ip4.h"
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#include "lwip/prot/ethernet.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if LWIP_IPV4 && LWIP_ARP /* don't build if not configured for use in lwipopts.h */
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#include "lwip/prot/etharp.h"
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/** 1 seconds period */
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#define ARP_TMR_INTERVAL 1000
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#if ARP_QUEUEING
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/** struct for queueing outgoing packets for unknown address
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* defined here to be accessed by memp.h
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*/
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struct etharp_q_entry {
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struct etharp_q_entry *next;
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struct pbuf *p;
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};
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#endif /* ARP_QUEUEING */
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#if ESP_GRATUITOUS_ARP
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#ifdef CONFIG_GARP_TMR_INTERVAL
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#define GARP_TMR_INTERVAL (CONFIG_GARP_TMR_INTERVAL*1000UL)
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#else
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#define GARP_TMR_INTERVAL 60000
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#endif
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void garp_tmr(void);
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#endif
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#define etharp_init() /* Compatibility define, no init needed. */
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void etharp_tmr(void);
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s8_t etharp_find_addr(struct netif *netif, const ip4_addr_t *ipaddr,
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struct eth_addr **eth_ret, const ip4_addr_t **ip_ret);
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u8_t etharp_get_entry(u8_t i, ip4_addr_t **ipaddr, struct netif **netif, struct eth_addr **eth_ret);
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err_t etharp_output(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr);
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err_t etharp_query(struct netif *netif, const ip4_addr_t *ipaddr, struct pbuf *q);
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err_t etharp_request(struct netif *netif, const ip4_addr_t *ipaddr);
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/** For Ethernet network interfaces, we might want to send "gratuitous ARP";
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* this is an ARP packet sent by a node in order to spontaneously cause other
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* nodes to update an entry in their ARP cache.
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* From RFC 3220 "IP Mobility Support for IPv4" section 4.6. */
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#define etharp_gratuitous(netif) etharp_request((netif), netif_ip4_addr(netif))
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void etharp_cleanup_netif(struct netif *netif);
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#if ETHARP_SUPPORT_STATIC_ENTRIES
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err_t etharp_add_static_entry(const ip4_addr_t *ipaddr, struct eth_addr *ethaddr);
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err_t etharp_remove_static_entry(const ip4_addr_t *ipaddr);
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#endif /* ETHARP_SUPPORT_STATIC_ENTRIES */
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#endif /* LWIP_IPV4 && LWIP_ARP */
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void etharp_input(struct pbuf *p, struct netif *netif);
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWIP_ARP || LWIP_ETHERNET */
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#endif /* LWIP_HDR_NETIF_ETHARP_H */
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