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<div class="title">ethernet.c</div> </div>
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<a href="../../d5/d83/ethernet_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="l00009"></a><span class="lineno"> 9</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Copyright (c) 2001-2003 Swedish Institute of Computer Science.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Copyright (c) 2003-2004 Leon Woestenberg <leon.woestenberg@axon.tv></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Copyright (c) 2003-2004 Axon Digital Design B.V., The Netherlands.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * All rights reserved.</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 "<a class="code" href="../../dc/dba/opt_8h.html">net/opt.h</a>"</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_ARP || LWIP_ETHERNET</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 "<a class="code" href="../../d9/d81/f_2ethernet_8h.html">netif/ethernet.h</a>"</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "<a class="code" href="../../d4/da4/def_8h.html">net/def.h</a>"</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "<a class="code" href="../../d9/d9b/stats_8h.html">net/stats.h</a>"</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include "<a class="code" href="../../df/dbc/etharp_8h.html">net/etharp.h</a>"</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "<a class="code" href="../../da/d2f/ip_8h.html">net/ip.h</a>"</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "<a class="code" href="../../de/d96/snmp_8h.html">net/snmp.h</a>"</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <<a class="code" href="../../da/d66/string_8h.html">string.h</a>></span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include "<a class="code" href="../../db/dd1/ppp__opts_8h.html">netif/ppp/ppp_opts.h</a>"</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#if PPPOE_SUPPORT</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include "<a class="code" href="../../d3/d7b/pppoe_8h.html">netif/ppp/pppoe.h</a>"</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#endif </span><span class="comment">/* PPPOE_SUPPORT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#ifdef LWIP_HOOK_FILENAME</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#include LWIP_HOOK_FILENAME</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="../../d2/dde/structeth__addr.html">eth_addr</a> ethbroadcast = {{0xff,0xff,0xff,0xff,0xff,0xff}};</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="../../d2/dde/structeth__addr.html">eth_addr</a> ethzero = {{0,0,0,0,0,0}};</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> ethernet_input(<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p, <span class="keyword">struct</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a> *<a class="code" href="../../d2/dd6/structnetif.html">netif</a>)</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">struct </span><a class="code" href="../../d4/dcf/structeth__hdr.html">eth_hdr</a>* ethhdr;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> type;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#if LWIP_ARP || ETHARP_SUPPORT_VLAN || LWIP_IPV6</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a> ip_hdr_offset = <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a85d254d78726c038270fe87905845e75">SIZEOF_ETH_HDR</a>;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_ARP || ETHARP_SUPPORT_VLAN */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a> <= <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a85d254d78726c038270fe87905845e75">SIZEOF_ETH_HDR</a>) {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"BAD HEADER"</span>);</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">/* a packet with only an ethernet header (or less) is not valid for us */</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="../../d9/d9b/stats_8h.html#aea3a36c64f7159af04b7acc985402edc">ETHARP_STATS_INC</a>(etharp.proterr);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <a class="code" href="../../d9/d9b/stats_8h.html#aea3a36c64f7159af04b7acc985402edc">ETHARP_STATS_INC</a>(etharp.drop);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="../../de/d96/snmp_8h.html#a3c52caf566d37705c6547f2d025afd9f">MIB2_STATS_NETIF_INC</a>(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, ifinerrors);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">goto</span> free_and_return;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">/* points to packet payload, which starts with an Ethernet header */</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  ethhdr = (<span class="keyword">struct </span><a class="code" href="../../d4/dcf/structeth__hdr.html">eth_hdr</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#abff5d1e0b334f5b45bd2b8bbb675411e">ETHARP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>,</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  (<span class="stringliteral">"ethernet_input: dest:%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">", src:%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a><span class="stringliteral">", type:%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  (<span class="keywordtype">unsigned</span>)ethhdr->dest.addr[0], (<span class="keywordtype">unsigned</span>)ethhdr->dest.addr[1], (<span class="keywordtype">unsigned</span>)ethhdr->dest.addr[2],</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  (<span class="keywordtype">unsigned</span>)ethhdr->dest.addr[3], (<span class="keywordtype">unsigned</span>)ethhdr->dest.addr[4], (<span class="keywordtype">unsigned</span>)ethhdr->dest.addr[5],</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  (<span class="keywordtype">unsigned</span>)ethhdr->src.addr[0], (<span class="keywordtype">unsigned</span>)ethhdr->src.addr[1], (<span class="keywordtype">unsigned</span>)ethhdr->src.addr[2],</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  (<span class="keywordtype">unsigned</span>)ethhdr->src.addr[3], (<span class="keywordtype">unsigned</span>)ethhdr->src.addr[4], (<span class="keywordtype">unsigned</span>)ethhdr->src.addr[5],</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="../../d2/d6e/def_8c.html#ad637280639de4066392e6b5614fa3e56">lwip_htons</a>(ethhdr->type)));</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  type = ethhdr->type;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#if ETHARP_SUPPORT_VLAN</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</span> (type == <a class="code" href="../../d4/da4/def_8h.html#a0dfd02d7c09f9c698a5a7ecc0b7287ad">PP_HTONS</a>(<a class="code" href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339ad8f84826d52d92ac24a477d1f03e7903">ETHTYPE_VLAN</a>)) {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">struct </span><a class="code" href="../../dc/dd4/structeth__vlan__hdr.html">eth_vlan_hdr</a> *vlan = (<span class="keyword">struct </span><a class="code" href="../../dc/dd4/structeth__vlan__hdr.html">eth_vlan_hdr</a>*)(((<span class="keywordtype">char</span>*)ethhdr) + <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a85d254d78726c038270fe87905845e75">SIZEOF_ETH_HDR</a>);</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">if</span> (p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a> <= <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a85d254d78726c038270fe87905845e75">SIZEOF_ETH_HDR</a> + <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a2443b91084b01e4f22423d74d3ae19fe">SIZEOF_VLAN_HDR</a>) {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">/* a packet with only an ethernet/vlan header (or less) is not valid for us */</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="../../d9/d9b/stats_8h.html#aea3a36c64f7159af04b7acc985402edc">ETHARP_STATS_INC</a>(etharp.proterr);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="../../d9/d9b/stats_8h.html#aea3a36c64f7159af04b7acc985402edc">ETHARP_STATS_INC</a>(etharp.drop);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="../../de/d96/snmp_8h.html#a3c52caf566d37705c6547f2d025afd9f">MIB2_STATS_NETIF_INC</a>(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, ifinerrors);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">goto</span> free_and_return;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#if defined(LWIP_HOOK_VLAN_CHECK) || defined(ETHARP_VLAN_CHECK) || defined(ETHARP_VLAN_CHECK_FN) </span><span class="comment">/* if not, allow all VLANs */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#ifdef LWIP_HOOK_VLAN_CHECK</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (!LWIP_HOOK_VLAN_CHECK(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, ethhdr, vlan)) {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">#elif defined(ETHARP_VLAN_CHECK_FN)</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (!ETHARP_VLAN_CHECK_FN(ethhdr, vlan)) {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#elif defined(ETHARP_VLAN_CHECK)</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (<a class="code" href="../../df/d44/prot_2ethernet_8h.html#aa36e5e552e17cea1828f0a6792eb29d4">VLAN_ID</a>(vlan) != ETHARP_VLAN_CHECK) {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">/* silently ignore this packet: not for our VLAN */</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</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> <span class="preprocessor">#endif </span><span class="comment">/* defined(LWIP_HOOK_VLAN_CHECK) || defined(ETHARP_VLAN_CHECK) || defined(ETHARP_VLAN_CHECK_FN) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  type = vlan->tpid;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  ip_hdr_offset = <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a85d254d78726c038270fe87905845e75">SIZEOF_ETH_HDR</a> + <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a2443b91084b01e4f22423d74d3ae19fe">SIZEOF_VLAN_HDR</a>;</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">#endif </span><span class="comment">/* ETHARP_SUPPORT_VLAN */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#if LWIP_ARP_FILTER_NETIF</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = LWIP_ARP_FILTER_NETIF_FN(p, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>, <a class="code" href="../../d2/d6e/def_8c.html#ad637280639de4066392e6b5614fa3e56">lwip_htons</a>(type));</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_ARP_FILTER_NETIF*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (ethhdr->dest.addr[0] & 1) {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">/* this might be a multicast or broadcast packet */</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> (ethhdr->dest.addr[0] == <a class="code" href="../../df/d44/prot_2ethernet_8h.html#afaf6cbccf9477c3505660e3a17860e07">LL_IP4_MULTICAST_ADDR_0</a>) {</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">if</span> ((ethhdr->dest.addr[1] == <a class="code" href="../../df/d44/prot_2ethernet_8h.html#ac08b2a99f6ff9cbafaa1cb5a6405d225">LL_IP4_MULTICAST_ADDR_1</a>) &&</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  (ethhdr->dest.addr[2] == <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a98285b6f76c2eb6b6c738da62176bce0">LL_IP4_MULTICAST_ADDR_2</a>)) {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">/* mark the pbuf as link-layer multicast */</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  p-><a class="code" href="../../d9/db8/structpbuf.html#aa4d1af2cab3d9280d29212095b5b872a">flags</a> |= <a class="code" href="../../d0/d35/pbuf_8h.html#ac0d56cde47aca24ef410d730d7c89887">PBUF_FLAG_LLMCAST</a>;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((ethhdr->dest.addr[0] == <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a8ebe93c6ad2d743e6c952539257679b6">LL_IP6_MULTICAST_ADDR_0</a>) &&</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  (ethhdr->dest.addr[1] == <a class="code" href="../../df/d44/prot_2ethernet_8h.html#acf77751aed309653aaa33032732dd243">LL_IP6_MULTICAST_ADDR_1</a>)) {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="comment">/* mark the pbuf as link-layer multicast */</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  p-><a class="code" href="../../d9/db8/structpbuf.html#aa4d1af2cab3d9280d29212095b5b872a">flags</a> |= <a class="code" href="../../d0/d35/pbuf_8h.html#ac0d56cde47aca24ef410d730d7c89887">PBUF_FLAG_LLMCAST</a>;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="../../df/d44/prot_2ethernet_8h.html#aa19e3e4c174d49c6062f463dfa68bbbc">eth_addr_cmp</a>(&ethhdr->dest, &ethbroadcast)) {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="comment">/* mark the pbuf as link-layer broadcast */</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  p-><a class="code" href="../../d9/db8/structpbuf.html#aa4d1af2cab3d9280d29212095b5b872a">flags</a> |= <a class="code" href="../../d0/d35/pbuf_8h.html#a6772c16662bbb78597399add086500c0">PBUF_FLAG_LLBCAST</a>;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">switch</span> (type) {</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_ARP</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">/* IP packet? */</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">case</span> <a class="code" href="../../d4/da4/def_8h.html#a0dfd02d7c09f9c698a5a7ecc0b7287ad">PP_HTONS</a>(<a class="code" href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339ac95756b20fde70b868ef4185dd221c79">ETHTYPE_IP</a>):</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  if (!(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>->flags & <a class="code" href="../../d2/d32/group__netif__flags.html#ga92448dc510bc8d700c09e5c971ef0676">NETIF_FLAG_ETHARP</a>)) {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">goto</span> free_and_return;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">/* skip Ethernet header */</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> ((p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a> < ip_hdr_offset) || <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)-ip_hdr_offset)) {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#abff5d1e0b334f5b45bd2b8bbb675411e">ETHARP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga77c491e468bf7d9a1bc48430c1866a96">LWIP_DBG_LEVEL_WARNING</a>,</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  (<span class="stringliteral">"ethernet_input: IPv4 packet dropped, too short (%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac05a82d37afb251470f5e17ca15ab6e9">S16_F</a><span class="stringliteral">"/%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac05a82d37afb251470f5e17ca15ab6e9">S16_F</a><span class="stringliteral">")\n"</span>,</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>, ip_hdr_offset));</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#abff5d1e0b334f5b45bd2b8bbb675411e">ETHARP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>, (<span class="stringliteral">"Can't move over header in packet"</span>));</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">goto</span> free_and_return;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">/* pass to IP layer */</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  ip4_input(p, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">break</span>;</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">case</span> <a class="code" href="../../d4/da4/def_8h.html#a0dfd02d7c09f9c698a5a7ecc0b7287ad">PP_HTONS</a>(<a class="code" href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339a41217db03576ea59c44b28b248c39be5">ETHTYPE_ARP</a>):</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  if (!(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>->flags & <a class="code" href="../../d2/d32/group__netif__flags.html#ga92448dc510bc8d700c09e5c971ef0676">NETIF_FLAG_ETHARP</a>)) {</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">goto</span> free_and_return;</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>  <span class="comment">/* skip Ethernet header */</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">if</span> ((p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a> < ip_hdr_offset) || <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)-ip_hdr_offset)) {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#abff5d1e0b334f5b45bd2b8bbb675411e">ETHARP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga77c491e468bf7d9a1bc48430c1866a96">LWIP_DBG_LEVEL_WARNING</a>,</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  (<span class="stringliteral">"ethernet_input: ARP response packet dropped, too short (%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac05a82d37afb251470f5e17ca15ab6e9">S16_F</a><span class="stringliteral">"/%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac05a82d37afb251470f5e17ca15ab6e9">S16_F</a><span class="stringliteral">")\n"</span>,</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>, ip_hdr_offset));</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#abff5d1e0b334f5b45bd2b8bbb675411e">ETHARP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>, (<span class="stringliteral">"Can't move over header in packet"</span>));</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="../../d9/d9b/stats_8h.html#aea3a36c64f7159af04b7acc985402edc">ETHARP_STATS_INC</a>(etharp.lenerr);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="../../d9/d9b/stats_8h.html#aea3a36c64f7159af04b7acc985402edc">ETHARP_STATS_INC</a>(etharp.drop);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">goto</span> free_and_return;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="comment">/* pass p to ARP module */</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  etharp_input(p, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  }</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_ARP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor">#if PPPOE_SUPPORT</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">case</span> <a class="code" href="../../d4/da4/def_8h.html#a0dfd02d7c09f9c698a5a7ecc0b7287ad">PP_HTONS</a>(<a class="code" href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339a58c6f40d7cc3edb9455762938f3f6569">ETHTYPE_PPPOEDISC</a>): <span class="comment">/* PPP Over Ethernet Discovery Stage */</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  pppoe_disc_input(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, p);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">break</span>;</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>  <span class="keywordflow">case</span> <a class="code" href="../../d4/da4/def_8h.html#a0dfd02d7c09f9c698a5a7ecc0b7287ad">PP_HTONS</a>(<a class="code" href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339a8c0e8f68b90134eb4f1f17d3d2eb6f8c">ETHTYPE_PPPOE</a>): <span class="comment">/* PPP Over Ethernet Session Stage */</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  pppoe_data_input(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, p);</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="preprocessor">#endif </span><span class="comment">/* PPPOE_SUPPORT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">case</span> <a class="code" href="../../d4/da4/def_8h.html#a0dfd02d7c09f9c698a5a7ecc0b7287ad">PP_HTONS</a>(<a class="code" href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339aab26004eed559217be5dd466a79b1383">ETHTYPE_IPV6</a>): <span class="comment">/* IPv6 */</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">/* skip Ethernet header */</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  if ((p->len < ip_hdr_offset) || <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)-ip_hdr_offset)) {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#abff5d1e0b334f5b45bd2b8bbb675411e">ETHARP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga77c491e468bf7d9a1bc48430c1866a96">LWIP_DBG_LEVEL_WARNING</a>,</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  (<span class="stringliteral">"ethernet_input: IPv6 packet dropped, too short (%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac05a82d37afb251470f5e17ca15ab6e9">S16_F</a><span class="stringliteral">"/%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac05a82d37afb251470f5e17ca15ab6e9">S16_F</a><span class="stringliteral">")\n"</span>,</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>, ip_hdr_offset));</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">goto</span> free_and_return;</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">/* pass to IPv6 layer */</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  ip6_input(p, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  </div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="preprocessor">#ifdef LWIP_HOOK_UNKNOWN_ETH_PROTOCOL</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span>(LWIP_HOOK_UNKNOWN_ETH_PROTOCOL(p, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>) == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <a class="code" href="../../d9/d9b/stats_8h.html#aea3a36c64f7159af04b7acc985402edc">ETHARP_STATS_INC</a>(etharp.proterr);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="../../d9/d9b/stats_8h.html#aea3a36c64f7159af04b7acc985402edc">ETHARP_STATS_INC</a>(etharp.drop);</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="../../de/d96/snmp_8h.html#a3c52caf566d37705c6547f2d025afd9f">MIB2_STATS_NETIF_INC</a>(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, ifinunknownprotos);</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">goto</span> free_and_return;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  }</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">/* This means the pbuf is freed or consumed,</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment"> so the caller doesn't have to free it again */</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> free_and_return:</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> }</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  </div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> ethernet_output(<span class="keyword">struct</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a>* <a class="code" href="../../d2/dd6/structnetif.html">netif</a>, <span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a>* p,</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="../../d2/dde/structeth__addr.html">eth_addr</a>* src, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="../../d2/dde/structeth__addr.html">eth_addr</a>* dst,</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> <a class="code" href="../../de/d4e/group__ethernet.html#ga4f8559808037803168499a3803900339">eth_type</a>)</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> {</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keyword">struct </span><a class="code" href="../../d4/dcf/structeth__hdr.html">eth_hdr</a>* ethhdr;</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> eth_type_be = <a class="code" href="../../d2/d6e/def_8c.html#ad637280639de4066392e6b5614fa3e56">lwip_htons</a>(<a class="code" href="../../de/d4e/group__ethernet.html#ga4f8559808037803168499a3803900339">eth_type</a>);</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor">#if ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET)</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a> vlan_prio_vid = LWIP_HOOK_VLAN_SET(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, p, src, dst, <a class="code" href="../../de/d4e/group__ethernet.html#ga4f8559808037803168499a3803900339">eth_type</a>);</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span> (vlan_prio_vid >= 0) {</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keyword">struct </span><a class="code" href="../../dc/dd4/structeth__vlan__hdr.html">eth_vlan_hdr</a>* vlanhdr;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"prio_vid must be <= 0xFFFF"</span>, vlan_prio_vid <= 0xFFFF);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  </div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a85d254d78726c038270fe87905845e75">SIZEOF_ETH_HDR</a> + <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a2443b91084b01e4f22423d74d3ae19fe">SIZEOF_VLAN_HDR</a>) != 0) {</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">goto</span> pbuf_header_failed;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  vlanhdr = (<span class="keyword">struct </span><a class="code" href="../../dc/dd4/structeth__vlan__hdr.html">eth_vlan_hdr</a>*)(((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>*)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>) + <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a85d254d78726c038270fe87905845e75">SIZEOF_ETH_HDR</a>);</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  vlanhdr->tpid = eth_type_be;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  vlanhdr->prio_vid = <a class="code" href="../../d2/d6e/def_8c.html#ad637280639de4066392e6b5614fa3e56">lwip_htons</a>((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)vlan_prio_vid);</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  eth_type_be = <a class="code" href="../../d4/da4/def_8h.html#a0dfd02d7c09f9c698a5a7ecc0b7287ad">PP_HTONS</a>(<a class="code" href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339ad8f84826d52d92ac24a477d1f03e7903">ETHTYPE_VLAN</a>);</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="preprocessor">#endif </span><span class="comment">/* ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  {</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a85d254d78726c038270fe87905845e75">SIZEOF_ETH_HDR</a>) != 0) {</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">goto</span> pbuf_header_failed;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  }</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  ethhdr = (<span class="keyword">struct </span><a class="code" href="../../d4/dcf/structeth__hdr.html">eth_hdr</a>*)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  ethhdr->type = eth_type_be;</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a0622da8fb6eb72cd4cd7c3ea4f5a5b79">ETHADDR32_COPY</a>(&ethhdr->dest, dst);</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a10cbd9cd91e7e0ebed3a1159e385c037">ETHADDR16_COPY</a>(&ethhdr->src, src);</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  </div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"netif->hwaddr_len must be 6 for ethernet_output!"</span>,</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  (<a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#afe1181561cb16241f3cb5ed01e567d42">hwaddr_len</a> == <a class="code" href="../../df/d44/prot_2ethernet_8h.html#ac9426049770b40fcd9556ffbd7e56907">ETH_HWADDR_LEN</a>));</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#abff5d1e0b334f5b45bd2b8bbb675411e">ETHARP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>,</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  (<span class="stringliteral">"ethernet_output: sending packet %p\n"</span>, (<span class="keywordtype">void</span> *)p));</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  </div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="comment">/* send the packet */</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#acaaac9b415a7be73eb8a287c8ed18a8d">linkoutput</a>(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, p);</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  </div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> pbuf_header_failed:</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#abff5d1e0b334f5b45bd2b8bbb675411e">ETHARP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a>,</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  (<span class="stringliteral">"ethernet_output: could not allocate room for header.\n"</span>));</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="../../d9/d9b/stats_8h.html#a9b28a3eaea720ca831d4b33545b95871">LINK_STATS_INC</a>(link.lenerr);</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca05c91366f1b5203a5db9a241b415cd63">ERR_BUF</a>;</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> }</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_ARP || LWIP_ETHERNET */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  </div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="aprot_2ethernet_8h_html_aa36e5e552e17cea1828f0a6792eb29d4"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#aa36e5e552e17cea1828f0a6792eb29d4">VLAN_ID</a></div><div class="ttdeci">#define VLAN_ID(vlan_hdr)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00103">ethernet.h:103</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gac05a82d37afb251470f5e17ca15ab6e9"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#gac05a82d37afb251470f5e17ca15ab6e9">S16_F</a></div><div class="ttdeci">#define S16_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00151">arch.h:151</a></div></div>
<div class="ttc" id="aopt_8h_html"><div class="ttname"><a href="../../dc/dba/opt_8h.html">opt.h</a></div></div>
<div class="ttc" id="astructpbuf_html_a6f82449625e36e294f5d210268c0703f"><div class="ttname"><a href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">pbuf::len</a></div><div class="ttdeci">u16_t len</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00159">pbuf.h:159</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gacf46f4df0ebab84edebcb69967fdf86b"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a></div><div class="ttdeci">int16_t s16_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00125">arch.h:125</a></div></div>
<div class="ttc" id="adef_8h_html"><div class="ttname"><a href="../../d4/da4/def_8h.html">def.h</a></div></div>
<div class="ttc" id="apbuf_8h_html_a6772c16662bbb78597399add086500c0"><div class="ttname"><a href="../../d0/d35/pbuf_8h.html#a6772c16662bbb78597399add086500c0">PBUF_FLAG_LLBCAST</a></div><div class="ttdeci">#define PBUF_FLAG_LLBCAST</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00135">pbuf.h:135</a></div></div>
<div class="ttc" id="agroup__ethernet_html_gga4f8559808037803168499a3803900339a8c0e8f68b90134eb4f1f17d3d2eb6f8c"><div class="ttname"><a href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339a8c0e8f68b90134eb4f1f17d3d2eb6f8c">ETHTYPE_PPPOE</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00124">ethernet.h:124</a></div></div>
<div class="ttc" id="adebug_8h_html_a94ad086267808462beae2b38f91996ed"><div class="ttname"><a href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a></div><div class="ttdeci">#define LWIP_ASSERT(message, assertion)</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00116">debug.h:116</a></div></div>
<div class="ttc" id="asnmp_8h_html_a3c52caf566d37705c6547f2d025afd9f"><div class="ttname"><a href="../../de/d96/snmp_8h.html#a3c52caf566d37705c6547f2d025afd9f">MIB2_STATS_NETIF_INC</a></div><div class="ttdeci">#define MIB2_STATS_NETIF_INC(n, x)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d96/snmp_8h_source.html#l00139">snmp.h:139</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadca05c91366f1b5203a5db9a241b415cd63"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca05c91366f1b5203a5db9a241b415cd63">ERR_BUF</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00067">err.h:67</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga77570ac4fcab86864fa1916e55676da2"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a></div><div class="ttdeci">uint16_t u16_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00124">arch.h:124</a></div></div>
<div class="ttc" id="astring_8h_html"><div class="ttname"><a href="../../da/d66/string_8h.html">string.h</a></div></div>
<div class="ttc" id="astructpbuf_html_a5259e7ec29bab9c0999b64f2e86b411f"><div class="ttname"><a href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">pbuf::tot_len</a></div><div class="ttdeci">u16_t tot_len</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00156">pbuf.h:156</a></div></div>
<div class="ttc" id="agroup__netif__flags_html_ga92448dc510bc8d700c09e5c971ef0676"><div class="ttname"><a href="../../d2/d32/group__netif__flags.html#ga92448dc510bc8d700c09e5c971ef0676">NETIF_FLAG_ETHARP</a></div><div class="ttdeci">#define NETIF_FLAG_ETHARP</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00099">netif.h:99</a></div></div>
<div class="ttc" id="astats_8h_html_aea3a36c64f7159af04b7acc985402edc"><div class="ttname"><a href="../../d9/d9b/stats_8h.html#aea3a36c64f7159af04b7acc985402edc">ETHARP_STATS_INC</a></div><div class="ttdeci">#define ETHARP_STATS_INC(x)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d9b/stats_8h_source.html#l00376">stats.h:376</a></div></div>
<div class="ttc" id="astats_8h_html_a9b28a3eaea720ca831d4b33545b95871"><div class="ttname"><a href="../../d9/d9b/stats_8h.html#a9b28a3eaea720ca831d4b33545b95871">LINK_STATS_INC</a></div><div class="ttdeci">#define LINK_STATS_INC(x)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d9b/stats_8h_source.html#l00384">stats.h:384</a></div></div>
<div class="ttc" id="agroup__pbuf_html_gab0dd696fb4b6bc65e548944584f1738b"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a></div><div class="ttdeci">u8_t pbuf_free(struct pbuf *p)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00715">pbuf.c:715</a></div></div>
<div class="ttc" id="agroup__debugging__levels_html_ga988147559b78642ac881815b66023646"><div class="ttname"><a href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a></div><div class="ttdeci">#define LWIP_DBG_TRACE</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00083">debug.h:83</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_a2443b91084b01e4f22423d74d3ae19fe"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#a2443b91084b01e4f22423d74d3ae19fe">SIZEOF_VLAN_HDR</a></div><div class="ttdeci">#define SIZEOF_VLAN_HDR</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00102">ethernet.h:102</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_a85d254d78726c038270fe87905845e75"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#a85d254d78726c038270fe87905845e75">SIZEOF_ETH_HDR</a></div><div class="ttdeci">#define SIZEOF_ETH_HDR</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00084">ethernet.h:84</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga1418f92673e54a36b6e376109e526382"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a></div><div class="ttdeci">#define X16_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00154">arch.h:154</a></div></div>
<div class="ttc" id="astructnetif_html_acaaac9b415a7be73eb8a287c8ed18a8d"><div class="ttname"><a href="../../d2/dd6/structnetif.html#acaaac9b415a7be73eb8a287c8ed18a8d">netif::linkoutput</a></div><div class="ttdeci">netif_linkoutput_fn linkoutput</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00263">netif.h:263</a></div></div>
<div class="ttc" id="astructpbuf_html_aa4d1af2cab3d9280d29212095b5b872a"><div class="ttname"><a href="../../d9/db8/structpbuf.html#aa4d1af2cab3d9280d29212095b5b872a">pbuf::flags</a></div><div class="ttdeci">u8_t flags</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00165">pbuf.h:165</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga90c130a97711a9d7e5015c610f2dfe8f"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga90c130a97711a9d7e5015c610f2dfe8f">X8_F</a></div><div class="ttdeci">#define X8_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00145">arch.h:145</a></div></div>
<div class="ttc" id="alwipopts_8h_html_abff5d1e0b334f5b45bd2b8bbb675411e"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#abff5d1e0b334f5b45bd2b8bbb675411e">ETHARP_DEBUG</a></div><div class="ttdeci">#define ETHARP_DEBUG</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00431">lwipopts.h:431</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_a8ebe93c6ad2d743e6c952539257679b6"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#a8ebe93c6ad2d743e6c952539257679b6">LL_IP6_MULTICAST_ADDR_0</a></div><div class="ttdeci">#define LL_IP6_MULTICAST_ADDR_0</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00149">ethernet.h:149</a></div></div>
<div class="ttc" id="asnmp_8h_html"><div class="ttname"><a href="../../de/d96/snmp_8h.html">snmp.h</a></div></div>
<div class="ttc" id="astats_8h_html"><div class="ttname"><a href="../../d9/d9b/stats_8h.html">stats.h</a></div></div>
<div class="ttc" id="agroup__debugging__levels_html_ga0269bdc51f1e8a5ecf9af72c6e1c996c"><div class="ttname"><a href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a></div><div class="ttdeci">#define LWIP_DBG_LEVEL_SERIOUS</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00057">debug.h:57</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_ac08b2a99f6ff9cbafaa1cb5a6405d225"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#ac08b2a99f6ff9cbafaa1cb5a6405d225">LL_IP4_MULTICAST_ADDR_1</a></div><div class="ttdeci">#define LL_IP4_MULTICAST_ADDR_1</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00145">ethernet.h:145</a></div></div>
<div class="ttc" id="apbuf_8h_html_ac0d56cde47aca24ef410d730d7c89887"><div class="ttname"><a href="../../d0/d35/pbuf_8h.html#ac0d56cde47aca24ef410d730d7c89887">PBUF_FLAG_LLMCAST</a></div><div class="ttdeci">#define PBUF_FLAG_LLMCAST</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00137">pbuf.h:137</a></div></div>
<div class="ttc" id="agroup__ethernet_html_ga4f8559808037803168499a3803900339"><div class="ttname"><a href="../../de/d4e/group__ethernet.html#ga4f8559808037803168499a3803900339">eth_type</a></div><div class="ttdeci">eth_type</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00108">ethernet.h:108</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga10f9a3d7baef58ccc23228c3bd29c1fb"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a></div><div class="ttdeci">int32_t s32_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00127">arch.h:127</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4caecabca98b43919dd11be1c0d4cd8e"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a></div><div class="ttdeci">uint8_t u8_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00122">arch.h:122</a></div></div>
<div class="ttc" id="agroup__ethernet_html_gga4f8559808037803168499a3803900339a58c6f40d7cc3edb9455762938f3f6569"><div class="ttname"><a href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339a58c6f40d7cc3edb9455762938f3f6569">ETHTYPE_PPPOEDISC</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00122">ethernet.h:122</a></div></div>
<div class="ttc" id="astructeth__hdr_html"><div class="ttname"><a href="../../d4/dcf/structeth__hdr.html">eth_hdr</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00071">ethernet.h:71</a></div></div>
<div class="ttc" id="astructnetif_html"><div class="ttname"><a href="../../d2/dd6/structnetif.html">netif</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00233">netif.h:233</a></div></div>
<div class="ttc" id="agroup__ethernet_html_gga4f8559808037803168499a3803900339aab26004eed559217be5dd466a79b1383"><div class="ttname"><a href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339aab26004eed559217be5dd466a79b1383">ETHTYPE_IPV6</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00120">ethernet.h:120</a></div></div>
<div class="ttc" id="astructnetif_html_afe1181561cb16241f3cb5ed01e567d42"><div class="ttname"><a href="../../d2/dd6/structnetif.html#afe1181561cb16241f3cb5ed01e567d42">netif::hwaddr_len</a></div><div class="ttdeci">u8_t hwaddr_len</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00309">netif.h:309</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_aa19e3e4c174d49c6062f463dfa68bbbc"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#aa19e3e4c174d49c6062f463dfa68bbbc">eth_addr_cmp</a></div><div class="ttdeci">#define eth_addr_cmp(addr1, addr2)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00164">ethernet.h:164</a></div></div>
<div class="ttc" id="af_2ethernet_8h_html"><div class="ttname"><a href="../../d9/d81/f_2ethernet_8h.html">ethernet.h</a></div></div>
<div class="ttc" id="adef_8c_html_ad637280639de4066392e6b5614fa3e56"><div class="ttname"><a href="../../d2/d6e/def_8c.html#ad637280639de4066392e6b5614fa3e56">lwip_htons</a></div><div class="ttdeci">u16_t lwip_htons(u16_t n)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d6e/def_8c_source.html#l00075">def.c:75</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_ac9426049770b40fcd9556ffbd7e56907"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#ac9426049770b40fcd9556ffbd7e56907">ETH_HWADDR_LEN</a></div><div class="ttdeci">#define ETH_HWADDR_LEN</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00050">ethernet.h:50</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_a10cbd9cd91e7e0ebed3a1159e385c037"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#a10cbd9cd91e7e0ebed3a1159e385c037">ETHADDR16_COPY</a></div><div class="ttdeci">#define ETHADDR16_COPY(dst, src)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00161">ethernet.h:161</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00063">err.h:63</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_a0622da8fb6eb72cd4cd7c3ea4f5a5b79"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#a0622da8fb6eb72cd4cd7c3ea4f5a5b79">ETHADDR32_COPY</a></div><div class="ttdeci">#define ETHADDR32_COPY(dst, src)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00155">ethernet.h:155</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_gaf02d9da80fd66b4f986d2c53d7231ddb"><div class="ttname"><a href="../../d2/de7/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="../../d6/d40/err_8h_source.html#l00057">err.h:57</a></div></div>
<div class="ttc" id="astructeth__addr_html"><div class="ttname"><a href="../../d2/dde/structeth__addr.html">eth_addr</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00058">ethernet.h:58</a></div></div>
<div class="ttc" id="aip_8h_html"><div class="ttname"><a href="../../da/d2f/ip_8h.html">ip.h</a></div></div>
<div class="ttc" id="aetharp_8h_html"><div class="ttname"><a href="../../df/dbc/etharp_8h.html">etharp.h</a></div></div>
<div class="ttc" id="appp__opts_8h_html"><div class="ttname"><a href="../../db/dd1/ppp__opts_8h.html">ppp_opts.h</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_a98285b6f76c2eb6b6c738da62176bce0"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#a98285b6f76c2eb6b6c738da62176bce0">LL_IP4_MULTICAST_ADDR_2</a></div><div class="ttdeci">#define LL_IP4_MULTICAST_ADDR_2</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00146">ethernet.h:146</a></div></div>
<div class="ttc" id="agroup__ethernet_html_gga4f8559808037803168499a3803900339ac95756b20fde70b868ef4185dd221c79"><div class="ttname"><a href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339ac95756b20fde70b868ef4185dd221c79">ETHTYPE_IP</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00110">ethernet.h:110</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_acf77751aed309653aaa33032732dd243"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#acf77751aed309653aaa33032732dd243">LL_IP6_MULTICAST_ADDR_1</a></div><div class="ttdeci">#define LL_IP6_MULTICAST_ADDR_1</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00150">ethernet.h:150</a></div></div>
<div class="ttc" id="agroup__debugging__levels_html_ga77c491e468bf7d9a1bc48430c1866a96"><div class="ttname"><a href="../../d6/d7a/group__debugging__levels.html#ga77c491e468bf7d9a1bc48430c1866a96">LWIP_DBG_LEVEL_WARNING</a></div><div class="ttdeci">#define LWIP_DBG_LEVEL_WARNING</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00055">debug.h:55</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_afaf6cbccf9477c3505660e3a17860e07"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#afaf6cbccf9477c3505660e3a17860e07">LL_IP4_MULTICAST_ADDR_0</a></div><div class="ttdeci">#define LL_IP4_MULTICAST_ADDR_0</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00144">ethernet.h:144</a></div></div>
<div class="ttc" id="agroup__ethernet_html_gga4f8559808037803168499a3803900339ad8f84826d52d92ac24a477d1f03e7903"><div class="ttname"><a href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339ad8f84826d52d92ac24a477d1f03e7903">ETHTYPE_VLAN</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00118">ethernet.h:118</a></div></div>
<div class="ttc" id="akprintf_8h_html_a20b56810edb62a6fe59917015c30848f"><div class="ttname"><a href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a></div><div class="ttdeci">int kprintf(const char *,...)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d87/kprintf_8c_source.html#l00259">kprintf.c:259</a></div></div>
<div class="ttc" id="astructeth__vlan__hdr_html"><div class="ttname"><a href="../../dc/dd4/structeth__vlan__hdr.html">eth_vlan_hdr</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00093">ethernet.h:93</a></div></div>
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<div class="ttc" id="agroup__ethernet_html_gga4f8559808037803168499a3803900339a41217db03576ea59c44b28b248c39be5"><div class="ttname"><a href="../../de/d4e/group__ethernet.html#gga4f8559808037803168499a3803900339a41217db03576ea59c44b28b248c39be5">ETHTYPE_ARP</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00112">ethernet.h:112</a></div></div>
<div class="ttc" id="apbuf_8h_html_aaa17c1951cf2d207b6adfd3947d91f00"><div class="ttname"><a href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a></div><div class="ttdeci">u8_t pbuf_header(struct pbuf *p, s16_t header_size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00665">pbuf.c:665</a></div></div>
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