[457] | 1 | /**
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| 2 | * @file
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| 3 | * IPv4 API
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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| 8 | * All rights reserved.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without modification,
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| 11 | * are permitted provided that the following conditions are met:
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| 12 | *
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| 13 | * 1. Redistributions of source code must retain the above copyright notice,
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| 14 | * this list of conditions and the following disclaimer.
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 16 | * this list of conditions and the following disclaimer in the documentation
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| 17 | * and/or other materials provided with the distribution.
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| 18 | * 3. The name of the author may not be used to endorse or promote products
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| 19 | * derived from this software without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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| 22 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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| 23 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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| 24 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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| 26 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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| 29 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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| 30 | * OF SUCH DAMAGE.
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| 31 | *
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| 32 | * This file is part of the lwIP TCP/IP stack.
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| 33 | *
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| 34 | * Author: Adam Dunkels <adam@sics.se>
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| 35 | *
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| 36 | */
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| 37 | #ifndef LWIP_HDR_IP4_H
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| 38 | #define LWIP_HDR_IP4_H
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| 39 |
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| 40 | #include "lwip/opt.h"
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| 41 |
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| 42 | #if LWIP_IPV4
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| 43 |
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| 44 | #include "lwip/def.h"
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| 45 | #include "lwip/pbuf.h"
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| 46 | #include "lwip/ip4_addr.h"
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| 47 | #include "lwip/err.h"
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| 48 | #include "lwip/netif.h"
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| 49 | #include "lwip/prot/ip4.h"
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| 50 |
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| 51 | #ifdef __cplusplus
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| 52 | extern "C" {
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| 53 | #endif
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| 54 |
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| 55 | #ifdef LWIP_HOOK_IP4_ROUTE_SRC
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| 56 | #define LWIP_IPV4_SRC_ROUTING 1
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| 57 | #else
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| 58 | #define LWIP_IPV4_SRC_ROUTING 0
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| 59 | #endif
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| 60 |
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| 61 | /** Currently, the function ip_output_if_opt() is only used with IGMP */
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| 62 | #define IP_OPTIONS_SEND (LWIP_IPV4 && LWIP_IGMP)
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| 63 |
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| 64 | #define ip_init() /* Compatibility define, no init needed. */
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| 65 | struct netif *ip4_route(const ip4_addr_t *dest);
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| 66 | #if LWIP_IPV4_SRC_ROUTING
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| 67 | struct netif *ip4_route_src(const ip4_addr_t *src, const ip4_addr_t *dest);
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| 68 | #else /* LWIP_IPV4_SRC_ROUTING */
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| 69 | #define ip4_route_src(src, dest) ip4_route(dest)
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| 70 | #endif /* LWIP_IPV4_SRC_ROUTING */
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| 71 | err_t ip4_input(struct pbuf *p, struct netif *inp);
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| 72 | err_t ip4_output(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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| 73 | u8_t ttl, u8_t tos, u8_t proto);
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| 74 | err_t ip4_output_if(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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| 75 | u8_t ttl, u8_t tos, u8_t proto, struct netif *netif);
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| 76 | err_t ip4_output_if_src(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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| 77 | u8_t ttl, u8_t tos, u8_t proto, struct netif *netif);
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| 78 | #if LWIP_NETIF_USE_HINTS
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| 79 | err_t ip4_output_hinted(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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| 80 | u8_t ttl, u8_t tos, u8_t proto, struct netif_hint *netif_hint);
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| 81 | #endif /* LWIP_NETIF_USE_HINTS */
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| 82 | #if IP_OPTIONS_SEND
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| 83 | err_t ip4_output_if_opt(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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| 84 | u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options,
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| 85 | u16_t optlen);
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| 86 | err_t ip4_output_if_opt_src(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *dest,
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| 87 | u8_t ttl, u8_t tos, u8_t proto, struct netif *netif, void *ip_options,
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| 88 | u16_t optlen);
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| 89 | #endif /* IP_OPTIONS_SEND */
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| 90 |
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| 91 | #if LWIP_MULTICAST_TX_OPTIONS
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| 92 | void ip4_set_default_multicast_netif(struct netif* default_multicast_netif);
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| 93 | #endif /* LWIP_MULTICAST_TX_OPTIONS */
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| 94 |
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| 95 | #define ip4_netif_get_local_ip(netif) (((netif) != NULL) ? netif_ip_addr4(netif) : NULL)
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| 96 |
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| 97 | #if IP_DEBUG
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| 98 | void ip4_debug_print(struct pbuf *p);
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| 99 | #else
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| 100 | #define ip4_debug_print(p)
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| 101 | #endif /* IP_DEBUG */
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| 102 |
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| 103 | #ifdef __cplusplus
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| 104 | }
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| 105 | #endif
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| 106 |
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| 107 | #endif /* LWIP_IPV4 */
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| 108 |
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| 109 | #endif /* LWIP_HDR_IP_H */
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| 110 |
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| 111 |
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