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 do_netifapi_netif_add(struct netifapi_msg_msg *msg) 45{ 46 if (!netif_add(msg->netif, 47 msg->msg.add.ipaddr, 48 msg->msg.add.netmask, 49 msg->msg.add.gw, 50 msg->msg.add.state, msg->msg.add.init, msg->msg.add.input)) { 51 msg->err = ERR_IF; 52 } else { 53 msg->err = ERR_OK; 54 } 55 TCPIP_NETIFAPI_ACK(msg); 56} 57 58/** 59 * Call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) inside the 60 * tcpip_thread context. 61 */ 62void do_netifapi_netif_common(struct netifapi_msg_msg *msg) 63{ 64 if (msg->msg.common.errtfunc != NULL) { 65 msg->err = msg->msg.common.errtfunc(msg->netif); 66 } else { 67 msg->err = ERR_OK; 68 msg->msg.common.voidfunc(msg->netif); 69 } 70 TCPIP_NETIFAPI_ACK(msg); 71} 72 73/** 74 * Call netif_add() in a thread-safe way by running that function inside the 75 * tcpip_thread context. 76 * 77 * @note for params @see netif_add() 78 */ 79err_t 80netifapi_netif_add(struct netif *netif, 81 struct ip_addr *ipaddr, 82 struct ip_addr *netmask, 83 struct ip_addr *gw, 84 void *state, 85 err_t(*init) (struct netif * netif), 86 err_t(*input) (struct pbuf * p, struct netif * netif)) 87{ 88 struct netifapi_msg msg; 89 90 msg.function = do_netifapi_netif_add; 91 msg.msg.netif = netif; 92 msg.msg.msg.add.ipaddr = ipaddr; 93 msg.msg.msg.add.netmask = netmask; 94 msg.msg.msg.add.gw = gw; 95 msg.msg.msg.add.state = state; 96 msg.msg.msg.add.init = init; 97 msg.msg.msg.add.input = input; 98 TCPIP_NETIFAPI(&msg); 99 return msg.msg.err; 100} 101 102/** 103 * call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) in a thread-safe 104 * way by running that function inside the tcpip_thread context. 105 * 106 * @note use only for functions where there is only "netif" parameter. 107 */ 108err_t 109netifapi_netif_common(struct netif * netif, 110 void (*voidfunc) (struct netif * netif), 111 err_t(*errtfunc) (struct netif * netif)) 112{ 113 struct netifapi_msg msg; 114 115 msg.function = do_netifapi_netif_common; 116 msg.msg.netif = netif; 117 msg.msg.msg.common.voidfunc = voidfunc; 118 msg.msg.msg.common.errtfunc = errtfunc; 119 TCPIP_NETIFAPI(&msg); 120 return msg.msg.err; 121} 122 123#endif /* LWIP_NETIF_API */ 124