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