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netifapi.c
00001 /** 00002 * @file 00003 * Network Interface Sequential API module 00004 * 00005 */ 00006 00007 /* 00008 * Redistribution and use in source and binary forms, with or without modification, 00009 * are permitted provided that the following conditions are met: 00010 * 00011 * 1. Redistributions of source code must retain the above copyright notice, 00012 * this list of conditions and the following disclaimer. 00013 * 2. Redistributions in binary form must reproduce the above copyright notice, 00014 * this list of conditions and the following disclaimer in the documentation 00015 * and/or other materials provided with the distribution. 00016 * 3. The name of the author may not be used to endorse or promote products 00017 * derived from this software without specific prior written permission. 00018 * 00019 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 00020 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00021 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 00022 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00023 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00024 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00026 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00027 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 00028 * OF SUCH DAMAGE. 00029 * 00030 * This file is part of the lwIP TCP/IP stack. 00031 * 00032 */ 00033 00034 #include "lwip/opt.h" 00035 00036 #if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */ 00037 00038 #include "lwip/netifapi.h" 00039 #include "lwip/tcpip.h" 00040 00041 /** 00042 * Call netif_add() inside the tcpip_thread context. 00043 */ 00044 void 00045 do_netifapi_netif_add(struct netifapi_msg_msg *msg) 00046 { 00047 if (!netif_add( msg->netif, 00048 msg->msg.add.ipaddr, 00049 msg->msg.add.netmask, 00050 msg->msg.add.gw, 00051 msg->msg.add.state, 00052 msg->msg.add.init, 00053 msg->msg.add.input)) { 00054 msg->err = ERR_IF; 00055 } else { 00056 msg->err = ERR_OK; 00057 } 00058 TCPIP_NETIFAPI_ACK(msg); 00059 } 00060 00061 /** 00062 * Call netif_set_addr() inside the tcpip_thread context. 00063 */ 00064 void 00065 do_netifapi_netif_set_addr(struct netifapi_msg_msg *msg) 00066 { 00067 netif_set_addr( msg->netif, 00068 msg->msg.add.ipaddr, 00069 msg->msg.add.netmask, 00070 msg->msg.add.gw); 00071 msg->err = ERR_OK; 00072 TCPIP_NETIFAPI_ACK(msg); 00073 } 00074 00075 /** 00076 * Call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) inside the 00077 * tcpip_thread context. 00078 */ 00079 void 00080 do_netifapi_netif_common(struct netifapi_msg_msg *msg) 00081 { 00082 if (msg->msg.common.errtfunc != NULL) { 00083 msg->err = msg->msg.common.errtfunc(msg->netif); 00084 } else { 00085 msg->err = ERR_OK; 00086 msg->msg.common.voidfunc(msg->netif); 00087 } 00088 TCPIP_NETIFAPI_ACK(msg); 00089 } 00090 00091 /** 00092 * Call netif_add() in a thread-safe way by running that function inside the 00093 * tcpip_thread context. 00094 * 00095 * @note for params @see netif_add() 00096 */ 00097 err_t 00098 netifapi_netif_add(struct netif *netif, 00099 ip_addr_t *ipaddr, 00100 ip_addr_t *netmask, 00101 ip_addr_t *gw, 00102 void *state, 00103 netif_init_fn init, 00104 netif_input_fn input) 00105 { 00106 struct netifapi_msg msg; 00107 msg.function = do_netifapi_netif_add; 00108 msg.msg.netif = netif; 00109 msg.msg.msg.add.ipaddr = ipaddr; 00110 msg.msg.msg.add.netmask = netmask; 00111 msg.msg.msg.add.gw = gw; 00112 msg.msg.msg.add.state = state; 00113 msg.msg.msg.add.init = init; 00114 msg.msg.msg.add.input = input; 00115 TCPIP_NETIFAPI(&msg); 00116 return msg.msg.err; 00117 } 00118 00119 /** 00120 * Call netif_set_addr() in a thread-safe way by running that function inside the 00121 * tcpip_thread context. 00122 * 00123 * @note for params @see netif_set_addr() 00124 */ 00125 err_t 00126 netifapi_netif_set_addr(struct netif *netif, 00127 ip_addr_t *ipaddr, 00128 ip_addr_t *netmask, 00129 ip_addr_t *gw) 00130 { 00131 struct netifapi_msg msg; 00132 msg.function = do_netifapi_netif_set_addr; 00133 msg.msg.netif = netif; 00134 msg.msg.msg.add.ipaddr = ipaddr; 00135 msg.msg.msg.add.netmask = netmask; 00136 msg.msg.msg.add.gw = gw; 00137 TCPIP_NETIFAPI(&msg); 00138 return msg.msg.err; 00139 } 00140 00141 /** 00142 * call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) in a thread-safe 00143 * way by running that function inside the tcpip_thread context. 00144 * 00145 * @note use only for functions where there is only "netif" parameter. 00146 */ 00147 err_t 00148 netifapi_netif_common(struct netif *netif, netifapi_void_fn voidfunc, 00149 netifapi_errt_fn errtfunc) 00150 { 00151 struct netifapi_msg msg; 00152 msg.function = do_netifapi_netif_common; 00153 msg.msg.netif = netif; 00154 msg.msg.msg.common.voidfunc = voidfunc; 00155 msg.msg.msg.common.errtfunc = errtfunc; 00156 TCPIP_NETIFAPI(&msg); 00157 return msg.msg.err; 00158 } 00159 00160 #endif /* LWIP_NETIF_API */
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