A version of LWIP, provided for backwards compatibility.
Dependents: AA_DemoBoard DemoBoard HelloServerDemo DemoBoard_RangeIndicator ... more
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 the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) inside the 00063 * tcpip_thread context. 00064 */ 00065 void 00066 do_netifapi_netif_common( struct netifapi_msg_msg *msg) 00067 { 00068 if (msg->msg.common.errtfunc!=NULL) { 00069 msg->err = 00070 msg->msg.common.errtfunc(msg->netif); 00071 } else { 00072 msg->err = ERR_OK; 00073 msg->msg.common.voidfunc(msg->netif); 00074 } 00075 TCPIP_NETIFAPI_ACK(msg); 00076 } 00077 00078 /** 00079 * Call netif_add() in a thread-safe way by running that function inside the 00080 * tcpip_thread context. 00081 * 00082 * @note for params @see netif_add() 00083 */ 00084 err_t 00085 netifapi_netif_add(struct netif *netif, 00086 struct ip_addr *ipaddr, 00087 struct ip_addr *netmask, 00088 struct ip_addr *gw, 00089 void *state, 00090 err_t (* init)(struct netif *netif), 00091 err_t (* input)(struct pbuf *p, struct netif *netif)) 00092 { 00093 struct netifapi_msg msg; 00094 msg.function = do_netifapi_netif_add; 00095 msg.msg.netif = netif; 00096 msg.msg.msg.add.ipaddr = ipaddr; 00097 msg.msg.msg.add.netmask = netmask; 00098 msg.msg.msg.add.gw = gw; 00099 msg.msg.msg.add.state = state; 00100 msg.msg.msg.add.init = init; 00101 msg.msg.msg.add.input = input; 00102 TCPIP_NETIFAPI(&msg); 00103 return msg.msg.err; 00104 } 00105 00106 /** 00107 * call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) in a thread-safe 00108 * way by running that function inside the tcpip_thread context. 00109 * 00110 * @note use only for functions where there is only "netif" parameter. 00111 */ 00112 err_t 00113 netifapi_netif_common( struct netif *netif, 00114 void (* voidfunc)(struct netif *netif), 00115 err_t (* errtfunc)(struct netif *netif) ) 00116 { 00117 struct netifapi_msg msg; 00118 msg.function = do_netifapi_netif_common; 00119 msg.msg.netif = netif; 00120 msg.msg.msg.common.voidfunc = voidfunc; 00121 msg.msg.msg.common.errtfunc = errtfunc; 00122 TCPIP_NETIFAPI(&msg); 00123 return msg.msg.err; 00124 } 00125 00126 #endif /* LWIP_NETIF_API */
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