source: UsbWattMeter/trunk/lwip-1.4.1/src/api/netifapi.c@ 164

Last change on this file since 164 was 164, checked in by coas-nagasima, 6 years ago

TOPPERS/ECNLサンプルアプリ「USB充電器電力計」を追加

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File size: 4.7 KB
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1/**
2 * @file
3 * Network Interface Sequential API module
4 *
5 */
6
7/*
8 * Redistribution and use in source and binary forms, with or without modification,
9 * are permitted provided that the following conditions are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
20 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
22 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
24 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
28 * OF SUCH DAMAGE.
29 *
30 * This file is part of the lwIP TCP/IP stack.
31 *
32 */
33
34#include "lwip/opt.h"
35
36#if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */
37
38#include "lwip/netifapi.h"
39#include "lwip/tcpip.h"
40
41/**
42 * Call netif_add() inside the tcpip_thread context.
43 */
44void
45do_netifapi_netif_add(struct netifapi_msg_msg *msg)
46{
47 if (!netif_add( msg->netif,
48 msg->msg.add.ipaddr,
49 msg->msg.add.netmask,
50 msg->msg.add.gw,
51 msg->msg.add.state,
52 msg->msg.add.init,
53 msg->msg.add.input)) {
54 msg->err = ERR_IF;
55 } else {
56 msg->err = ERR_OK;
57 }
58 TCPIP_NETIFAPI_ACK(msg);
59}
60
61/**
62 * Call netif_set_addr() inside the tcpip_thread context.
63 */
64void
65do_netifapi_netif_set_addr(struct netifapi_msg_msg *msg)
66{
67 netif_set_addr( msg->netif,
68 msg->msg.add.ipaddr,
69 msg->msg.add.netmask,
70 msg->msg.add.gw);
71 msg->err = ERR_OK;
72 TCPIP_NETIFAPI_ACK(msg);
73}
74
75/**
76 * Call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) inside the
77 * tcpip_thread context.
78 */
79void
80do_netifapi_netif_common(struct netifapi_msg_msg *msg)
81{
82 if (msg->msg.common.errtfunc != NULL) {
83 msg->err = msg->msg.common.errtfunc(msg->netif);
84 } else {
85 msg->err = ERR_OK;
86 msg->msg.common.voidfunc(msg->netif);
87 }
88 TCPIP_NETIFAPI_ACK(msg);
89}
90
91/**
92 * Call netif_add() in a thread-safe way by running that function inside the
93 * tcpip_thread context.
94 *
95 * @note for params @see netif_add()
96 */
97err_t
98netifapi_netif_add(struct netif *netif,
99 ip_addr_t *ipaddr,
100 ip_addr_t *netmask,
101 ip_addr_t *gw,
102 void *state,
103 netif_init_fn init,
104 netif_input_fn input)
105{
106 struct netifapi_msg msg;
107 msg.function = do_netifapi_netif_add;
108 msg.msg.netif = netif;
109 msg.msg.msg.add.ipaddr = ipaddr;
110 msg.msg.msg.add.netmask = netmask;
111 msg.msg.msg.add.gw = gw;
112 msg.msg.msg.add.state = state;
113 msg.msg.msg.add.init = init;
114 msg.msg.msg.add.input = input;
115 TCPIP_NETIFAPI(&msg);
116 return msg.msg.err;
117}
118
119/**
120 * Call netif_set_addr() in a thread-safe way by running that function inside the
121 * tcpip_thread context.
122 *
123 * @note for params @see netif_set_addr()
124 */
125err_t
126netifapi_netif_set_addr(struct netif *netif,
127 ip_addr_t *ipaddr,
128 ip_addr_t *netmask,
129 ip_addr_t *gw)
130{
131 struct netifapi_msg msg;
132 msg.function = do_netifapi_netif_set_addr;
133 msg.msg.netif = netif;
134 msg.msg.msg.add.ipaddr = ipaddr;
135 msg.msg.msg.add.netmask = netmask;
136 msg.msg.msg.add.gw = gw;
137 TCPIP_NETIFAPI(&msg);
138 return msg.msg.err;
139}
140
141/**
142 * call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) in a thread-safe
143 * way by running that function inside the tcpip_thread context.
144 *
145 * @note use only for functions where there is only "netif" parameter.
146 */
147err_t
148netifapi_netif_common(struct netif *netif, netifapi_void_fn voidfunc,
149 netifapi_errt_fn errtfunc)
150{
151 struct netifapi_msg msg;
152 msg.function = do_netifapi_netif_common;
153 msg.msg.netif = netif;
154 msg.msg.msg.common.voidfunc = voidfunc;
155 msg.msg.msg.common.errtfunc = errtfunc;
156 TCPIP_NETIFAPI(&msg);
157 return msg.msg.err;
158}
159
160#endif /* LWIP_NETIF_API */
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