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