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112 lines
3.9 KiB
C
112 lines
3.9 KiB
C
/**
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* @file
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* IPv4 API
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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_IP4_H
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#define LWIP_HDR_IP4_H
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#include "lwip/opt.h"
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#if LWIP_IPV4
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#include "lwip/def.h"
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#include "lwip/pbuf.h"
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#include "lwip/ip4_addr.h"
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#include "lwip/err.h"
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#include "lwip/netif.h"
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#include "lwip/prot/ip4.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef LWIP_HOOK_IP4_ROUTE_SRC
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#define LWIP_IPV4_SRC_ROUTING 1
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#else
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#define LWIP_IPV4_SRC_ROUTING 0
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#endif
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/** Currently, the function ip_output_if_opt() is only used with IGMP */
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#define IP_OPTIONS_SEND (LWIP_IPV4 && LWIP_IGMP)
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#define ip_init() /* Compatibility define, no init needed. */
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struct netif *ip4_route(const ip4_addr_t *dest);
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#if LWIP_IPV4_SRC_ROUTING
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struct netif *ip4_route_src(const ip4_addr_t *dest, const ip4_addr_t *src);
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#else /* LWIP_IPV4_SRC_ROUTING */
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#define ip4_route_src(dest, src) ip4_route(dest)
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#endif /* LWIP_IPV4_SRC_ROUTING */
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err_t ip4_input(struct pbuf *p, struct netif *inp);
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err_t ip4_output(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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u8_t ttl, u8_t tos, u8_t proto);
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err_t ip4_output_if(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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u8_t ttl, u8_t tos, u8_t proto, struct netif *netif);
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err_t ip4_output_if_src(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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u8_t ttl, u8_t tos, u8_t proto, struct netif *netif);
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#if LWIP_NETIF_HWADDRHINT
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err_t ip4_output_hinted(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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u8_t ttl, u8_t tos, u8_t proto, u8_t *addr_hint);
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#endif /* LWIP_NETIF_HWADDRHINT */
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#if IP_OPTIONS_SEND
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err_t ip4_output_if_opt(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options,
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u16_t optlen);
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err_t ip4_output_if_opt_src(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options,
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u16_t optlen);
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#endif /* IP_OPTIONS_SEND */
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#if LWIP_MULTICAST_TX_OPTIONS
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void ip4_set_default_multicast_netif(struct netif* default_multicast_netif);
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#endif /* LWIP_MULTICAST_TX_OPTIONS */
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#define ip4_netif_get_local_ip(netif) (((netif) != NULL) ? netif_ip_addr4(netif) : NULL)
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#if IP_DEBUG
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void ip4_debug_print(struct pbuf *p);
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#else
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#define ip4_debug_print(p)
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#endif /* IP_DEBUG */
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#ifdef __cplusplus
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}
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#endif
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#endif /* LWIP_IPV4 */
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#endif /* LWIP_HDR_IP_H */
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