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<div class="title">netifapi.c</div> </div>
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<a href="netifapi_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * 3. The name of the author may not be used to endorse or promote products</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "lwip/opt.h"</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#if LWIP_NETIF_API </span><span class="comment">/* don't build if not configured for use in lwipopts.h */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include "lwip/netifapi.h"</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "lwip/memp.h"</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "lwip/priv/tcpip_priv.h"</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#define NETIFAPI_VAR_REF(name) API_VAR_REF(name)</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#define NETIFAPI_VAR_DECLARE(name) API_VAR_DECLARE(struct netifapi_msg, name)</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#define NETIFAPI_VAR_ALLOC(name) API_VAR_ALLOC(struct netifapi_msg, MEMP_NETIFAPI_MSG, name, ERR_MEM)</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#define NETIFAPI_VAR_FREE(name) API_VAR_FREE(MEMP_NETIFAPI_MSG, name)</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">static</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> netifapi_do_netif_add(<span class="keyword">struct</span> <a class="code" href="structtcpip__api__call__data.html">tcpip_api_call_data</a> *m)</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">/* cast through void* to silence alignment warnings. </span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * We know it works because the structs have been instantiated as struct netifapi_msg */</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">struct </span>netifapi_msg *msg = (<span class="keyword">struct </span>netifapi_msg*)(<span class="keywordtype">void</span>*)m;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (!<a class="code" href="group__netif.html#ga66970b5877dd6b0cae906bfa78d0cb4c">netif_add</a>( msg->netif,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> #<span class="keywordflow">if</span> <a class="code" href="lwipopts_8h.html#a429e811a80ebb5157e14a854870c4410">LWIP_IPV4</a></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.add.ipaddr),</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.add.netmask),</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.add.gw),</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> #endif <span class="comment">/* LWIP_IPV4 */</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  msg->msg.add.state,</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  msg->msg.add.init,</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  msg->msg.add.input)) {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca7d61d90449ae6788575e8e46d5d3bbc6">ERR_IF</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">static</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> netifapi_do_netif_set_addr(<span class="keyword">struct</span> <a class="code" href="structtcpip__api__call__data.html">tcpip_api_call_data</a> *m)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">/* cast through void* to silence alignment warnings. </span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> * We know it works because the structs have been instantiated as struct netifapi_msg */</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">struct </span>netifapi_msg *msg = (<span class="keyword">struct </span>netifapi_msg*)(<span class="keywordtype">void</span>*)m;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  netif_set_addr( msg->netif,</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.add.ipaddr),</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.add.netmask),</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a>(msg->msg.add.gw));</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> }</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">static</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> netifapi_do_netif_common(<span class="keyword">struct</span> <a class="code" href="structtcpip__api__call__data.html">tcpip_api_call_data</a> *m)</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">/* cast through void* to silence alignment warnings. </span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> * We know it works because the structs have been instantiated as struct netifapi_msg */</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">struct </span>netifapi_msg *msg = (<span class="keyword">struct </span>netifapi_msg*)(<span class="keywordtype">void</span>*)m;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span> (msg->msg.common.errtfunc != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> msg->msg.common.errtfunc(msg->netif);</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  msg->msg.common.voidfunc(msg->netif);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> netifapi_netif_add(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> #<span class="keywordflow">if</span> <a class="code" href="lwipopts_8h.html#a429e811a80ebb5157e14a854870c4410">LWIP_IPV4</a></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">const</span> ip4_addr_t *ipaddr, <span class="keyword">const</span> ip4_addr_t *netmask, <span class="keyword">const</span> ip4_addr_t *gw,</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> #endif <span class="comment">/* LWIP_IPV4 */</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordtype">void</span> *state, <a class="code" href="netif_8h.html#a2b02a78a8769925ff8e4f83d34e5e1f5">netif_init_fn</a> init, <a class="code" href="netif_8h.html#ab2302b1b64ac7b95f24c6bab754a575e">netif_input_fn</a> input)</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  NETIFAPI_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  NETIFAPI_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">if</span> (ipaddr == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  ipaddr = IP4_ADDR_ANY4;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (netmask == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  netmask = IP4_ADDR_ANY4;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> (gw == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  gw = IP4_ADDR_ANY4;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  }</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  NETIFAPI_VAR_REF(msg).netif = <a class="code" href="structnetif.html">netif</a>;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  NETIFAPI_VAR_REF(msg).msg.add.ipaddr = NETIFAPI_VAR_REF(ipaddr);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  NETIFAPI_VAR_REF(msg).msg.add.netmask = NETIFAPI_VAR_REF(netmask);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  NETIFAPI_VAR_REF(msg).msg.add.gw = NETIFAPI_VAR_REF(gw);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  NETIFAPI_VAR_REF(msg).msg.add.state = state;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  NETIFAPI_VAR_REF(msg).msg.add.init = init;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  NETIFAPI_VAR_REF(msg).msg.add.input = input;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  err = <a class="code" href="tcpip__priv_8h.html#a3d42b0c46607f91aedcc7745ed466b08">tcpip_api_call</a>(netifapi_do_netif_add, &<a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).call);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  NETIFAPI_VAR_FREE(msg);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> netifapi_netif_set_addr(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>,</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">const</span> ip4_addr_t *ipaddr,</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">const</span> ip4_addr_t *netmask,</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">const</span> ip4_addr_t *gw)</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> {</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  NETIFAPI_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  NETIFAPI_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (ipaddr == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  ipaddr = IP4_ADDR_ANY4;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (netmask == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  netmask = IP4_ADDR_ANY4;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  }</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (gw == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  gw = IP4_ADDR_ANY4;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  NETIFAPI_VAR_REF(msg).netif = <a class="code" href="structnetif.html">netif</a>;</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  NETIFAPI_VAR_REF(msg).msg.add.ipaddr = NETIFAPI_VAR_REF(ipaddr);</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  NETIFAPI_VAR_REF(msg).msg.add.netmask = NETIFAPI_VAR_REF(netmask);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  NETIFAPI_VAR_REF(msg).msg.add.gw = NETIFAPI_VAR_REF(gw);</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  err = <a class="code" href="tcpip__priv_8h.html#a3d42b0c46607f91aedcc7745ed466b08">tcpip_api_call</a>(netifapi_do_netif_set_addr, &<a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).call);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  NETIFAPI_VAR_FREE(msg);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> }</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> netifapi_netif_common(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>, netifapi_void_fn voidfunc,</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  netifapi_errt_fn errtfunc)</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> {</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  NETIFAPI_VAR_DECLARE(msg);</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  NETIFAPI_VAR_ALLOC(msg);</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  </div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  NETIFAPI_VAR_REF(msg).netif = <a class="code" href="structnetif.html">netif</a>;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  NETIFAPI_VAR_REF(msg).msg.common.voidfunc = voidfunc;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  NETIFAPI_VAR_REF(msg).msg.common.errtfunc = errtfunc;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  err = <a class="code" href="tcpip__priv_8h.html#a3d42b0c46607f91aedcc7745ed466b08">tcpip_api_call</a>(netifapi_do_netif_common, &<a class="code" href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a>(msg).call);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  NETIFAPI_VAR_FREE(msg);</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  </div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETIF_API */</span><span class="preprocessor"></span></div>
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<div class="ttc" id="astructtcpip__api__call__data_html"><div class="ttname"><a href="structtcpip__api__call__data.html">tcpip_api_call_data</a></div><div class="ttdef"><b>Definition:</b> <a href="tcpip__priv_8h_source.html#l00097">tcpip_priv.h:97</a></div></div>
<div class="ttc" id="atcpip__priv_8h_html_a3d42b0c46607f91aedcc7745ed466b08"><div class="ttname"><a href="tcpip__priv_8h.html#a3d42b0c46607f91aedcc7745ed466b08">tcpip_api_call</a></div><div class="ttdeci">err_t tcpip_api_call(tcpip_api_call_fn fn, struct tcpip_api_call_data *call)</div><div class="ttdef"><b>Definition:</b> <a href="tcpip_8c_source.html#l00356">tcpip.c:356</a></div></div>
<div class="ttc" id="anetif_8h_html_ab2302b1b64ac7b95f24c6bab754a575e"><div class="ttname"><a href="netif_8h.html#ab2302b1b64ac7b95f24c6bab754a575e">netif_input_fn</a></div><div class="ttdeci">err_t(* netif_input_fn)(struct pbuf *p, struct netif *inp)</div><div class="ttdef"><b>Definition:</b> <a href="netif_8h_source.html#l00170">netif.h:170</a></div></div>
<div class="ttc" id="atcpip__priv_8h_html_a1f3c3ae0938b5510978cbd31560a5797"><div class="ttname"><a href="tcpip__priv_8h.html#a1f3c3ae0938b5510978cbd31560a5797">API_EXPR_REF</a></div><div class="ttdeci">#define API_EXPR_REF(expr)</div><div class="ttdef"><b>Definition:</b> <a href="tcpip__priv_8h_source.html#l00088">tcpip_priv.h:88</a></div></div>
<div class="ttc" id="astructnetif_html"><div class="ttname"><a href="structnetif.html">netif</a></div><div class="ttdef"><b>Definition:</b> <a href="netif_8h_source.html#l00233">netif.h:233</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadca7d61d90449ae6788575e8e46d5d3bbc6"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca7d61d90449ae6788575e8e46d5d3bbc6">ERR_IF</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00087">err.h:87</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00063">err.h:63</a></div></div>
<div class="ttc" id="agroup__netif_html_ga66970b5877dd6b0cae906bfa78d0cb4c"><div class="ttname"><a href="group__netif.html#ga66970b5877dd6b0cae906bfa78d0cb4c">netif_add</a></div><div class="ttdeci">struct netif * netif_add(struct netif *netif, void *state, netif_init_fn init, netif_input_fn input)</div><div class="ttdef"><b>Definition:</b> <a href="netif_8c_source.html#l00241">netif.c:241</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_gaf02d9da80fd66b4f986d2c53d7231ddb"><div class="ttname"><a href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div><div class="ttdeci">s8_t err_t</div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00057">err.h:57</a></div></div>
<div class="ttc" id="anetif_8h_html_a2b02a78a8769925ff8e4f83d34e5e1f5"><div class="ttname"><a href="netif_8h.html#a2b02a78a8769925ff8e4f83d34e5e1f5">netif_init_fn</a></div><div class="ttdeci">err_t(* netif_init_fn)(struct netif *netif)</div><div class="ttdef"><b>Definition:</b> <a href="netif_8h_source.html#l00163">netif.h:163</a></div></div>
<div class="ttc" id="atcpip__priv_8h_html_a3518256af0d1a422755a899b13c2b563"><div class="ttname"><a href="tcpip__priv_8h.html#a3518256af0d1a422755a899b13c2b563">API_VAR_REF</a></div><div class="ttdeci">#define API_VAR_REF(name)</div><div class="ttdef"><b>Definition:</b> <a href="tcpip__priv_8h_source.html#l00082">tcpip_priv.h:82</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a429e811a80ebb5157e14a854870c4410"><div class="ttname"><a href="lwipopts_8h.html#a429e811a80ebb5157e14a854870c4410">LWIP_IPV4</a></div><div class="ttdeci">#define LWIP_IPV4</div><div class="ttdef"><b>Definition:</b> <a href="lwipopts_8h_source.html#l00109">lwipopts.h:109</a></div></div>
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