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 */ 44 void 45 do_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 */ 64 void 65 do_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 */ 79 void 80 do_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 */ 97 err_t 98 netifapi_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 */ 125 err_t 126 netifapi_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 */ 147 err_t 148 netifapi_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 */ 161
