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67 <div class="title">ethernet.c</div> </div>
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70 <a href="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> <span class="comment">/******************************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">*</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">* Copyright (c) 2019 Intel.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">*</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">* Licensed under the Apache License, Version 2.0 (the "License");</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">* you may not use this file except in compliance with the License.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">* You may obtain a copy of the License at</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">*</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">* http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">*</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">* Unless required by applicable law or agreed to in writing, software</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">* distributed under the License is distributed on an "AS IS" BASIS,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">* See the License for the specific language governing permissions and</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">* limitations under the License.</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">*</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> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <stdint.h></span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <unistd.h></span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <errno.h></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <sys/queue.h></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <err.h></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <assert.h></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <linux/limits.h></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <sys/types.h></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <math.h></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 <rte_config.h></span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <rte_common.h></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <rte_log.h></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <rte_memory.h></span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <rte_memcpy.h></span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <rte_memzone.h></span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <rte_eal.h></span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <rte_per_lcore.h></span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <rte_launch.h></span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <rte_atomic.h></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include <rte_cycles.h></span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <rte_prefetch.h></span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include <rte_lcore.h></span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include <rte_per_lcore.h></span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include <rte_branch_prediction.h></span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include <rte_interrupts.h></span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include <rte_pci.h></span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include <rte_debug.h></span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include <rte_ether.h></span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#include <rte_ethdev.h></span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#include <rte_ring.h></span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#include <rte_mempool.h></span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#include <rte_mbuf.h></span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#include <rte_errno.h></span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#include "<a class="code" href="ethernet_8h.html">ethernet.h</a>"</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#include "<a class="code" href="ethdi_8h.html">ethdi.h</a>"</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">/* Our mbuf pools. */</span></div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="ethernet_8h.html#a8d83e3adb6c9e839b3b7259288f100ba"> 70</a></span> <span class="keyword">struct </span>rte_mempool *<a class="code" href="ethernet_8c.html#a8d83e3adb6c9e839b3b7259288f100ba">_eth_mbuf_pool</a> = NULL;</div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="ethernet_8c.html#a4454a38b3cf49dde846ab9b0e1a7ba56"> 71</a></span> <span class="keyword">struct </span>rte_mempool *<a class="code" href="ethernet_8c.html#a4454a38b3cf49dde846ab9b0e1a7ba56">_eth_mbuf_pool_inderect</a> = NULL;</div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="ethernet_8c.html#a0300893b39ba152362bc3096f082d4be"> 72</a></span> <span class="keyword">struct </span>rte_mempool *<a class="code" href="ethernet_8c.html#a0300893b39ba152362bc3096f082d4be">_eth_mbuf_pool_rx</a> = NULL;</div><div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="ethernet_8h.html#a3e5502cf11577af4893f3151eb221f75"> 73</a></span> <span class="keyword">struct </span>rte_mempool *<a class="code" href="ethernet_8c.html#a3e5502cf11577af4893f3151eb221f75">_eth_mbuf_pool_small</a> = NULL;</div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="ethernet_8h.html#ae3907201762de3de953eb5ea9de9229a"> 74</a></span> <span class="keyword">struct </span>rte_mempool *<a class="code" href="ethernet_8c.html#ae3907201762de3de953eb5ea9de9229a">_eth_mbuf_pool_big</a> = NULL;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="ethernet_8h.html#a9b3ca6fe25e72be5c4fd7a95f92d174f"> 76</a></span> <span class="keyword">struct </span>rte_mempool *<a class="code" href="ethernet_8c.html#a9b3ca6fe25e72be5c4fd7a95f92d174f">socket_direct_pool</a> = NULL;</div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="ethernet_8h.html#adb2e2732725779d167cb43cb9ecac924"> 77</a></span> <span class="keyword">struct </span>rte_mempool *<a class="code" href="ethernet_8c.html#adb2e2732725779d167cb43cb9ecac924">socket_indirect_pool</a> = NULL;</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> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">/*</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> * Make sure the ring indexes are big enough to cover buf space x2</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> * This ring-buffer maintains the property head - tail <= RINGSIZE.</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> * head == tail: ring buffer empty</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> * head - tail == RINGSIZE: ring buffer full</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> */</span></div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969"> 86</a></span> <span class="keyword">typedef</span> uint16_t <a class="code" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="keyword">static</span> <span class="keyword">struct </span>{</div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="ethernet_8c.html#ad9e63131290aa4ae5beeddaf0505946d"> 88</a></span>  <a class="code" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a> <a class="code" href="ethernet_8c.html#ad9e63131290aa4ae5beeddaf0505946d">head</a>;</div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="ethernet_8c.html#a33dbe0774fc577b56bd532cf3736106e"> 89</a></span>  <a class="code" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a> <a class="code" href="ethernet_8c.html#a33dbe0774fc577b56bd532cf3736106e">read_head</a>;</div><div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="ethernet_8c.html#a255a402bc6dcd7c53876e55a8162fcb9"> 90</a></span>  <a class="code" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a> <a class="code" href="ethernet_8c.html#a255a402bc6dcd7c53876e55a8162fcb9">tail</a>;</div><div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="ethernet_8c.html#ac75fce8692fd1d41a8985f6aacc4a175"> 91</a></span>  <span class="keywordtype">char</span> <a class="code" href="ethernet_8c.html#ac75fce8692fd1d41a8985f6aacc4a175">buf</a>[1024]; <span class="comment">/* needs power of 2! */</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> } io_ring = { {0}, 0, 0};</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="ethernet_8c.html#a0ff6d080449124d52d868d9ce2ffe871"> 94</a></span> <span class="preprocessor">#define RINGSIZE sizeof(io_ring.buf)</span></div><div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="ethernet_8c.html#a86876a46f9f0a408e13cb2a225b8e4e6"> 95</a></span> <span class="preprocessor">#define RINGMASK (RINGSIZE - 1)</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="ethernet_8h.html#aee422b7193c84ae1fa4d6708a4bc577b"> 97</a></span> <span class="keywordtype">int</span> <a class="code" href="ethernet_8c.html#aee422b7193c84ae1fa4d6708a4bc577b">__xran_delayed_msg</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, ...)</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor">#if 0</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  va_list ap;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">int</span> msg_len;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">char</span> localbuf[<a class="code" href="ethernet_8c.html#a0ff6d080449124d52d868d9ce2ffe871">RINGSIZE</a>];</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a> old_head, new_head;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a> copy_len;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">/* first prep a copy of the message on the local stack */</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  va_start(ap, fmt);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  msg_len = vsnprintf(localbuf, <a class="code" href="ethernet_8c.html#a0ff6d080449124d52d868d9ce2ffe871">RINGSIZE</a>, fmt, ap);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  va_end(ap);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">/* atomically reserve space in the ring */</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">for</span> (;;) {</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  old_head = io_ring.head; <span class="comment">/* snapshot head */</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">/* free always within range of [0, RINGSIZE] - proof by induction */</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> <a class="code" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a> free = <a class="code" href="ethernet_8c.html#a0ff6d080449124d52d868d9ce2ffe871">RINGSIZE</a> - (old_head - io_ring.tail);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  copy_len = RTE_MIN(msg_len, free);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (copy_len <= 0)</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> 0; <span class="comment">/* vsnprintf error or ringbuff full. Drop log. */</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  new_head = old_head + copy_len;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  RTE_ASSERT((<a class="code" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a>)(new_head - io_ring.tail) <= <a class="code" href="ethernet_8c.html#a0ff6d080449124d52d868d9ce2ffe871">RINGSIZE</a>);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (likely(__atomic_compare_exchange_n(&io_ring.head, &old_head,</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  new_head, 0, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED)))</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">/* Now copy data in at ease. */</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> copy_start = (old_head & <a class="code" href="ethernet_8c.html#a86876a46f9f0a408e13cb2a225b8e4e6">RINGMASK</a>);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (copy_start < (new_head & <a class="code" href="ethernet_8c.html#a86876a46f9f0a408e13cb2a225b8e4e6">RINGMASK</a>)) <span class="comment">/* no wrap */</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  memcpy(io_ring.buf + copy_start, localbuf, copy_len);</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">else</span> { <span class="comment">/* wrap-around */</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> chunk_len = <a class="code" href="ethernet_8c.html#a0ff6d080449124d52d868d9ce2ffe871">RINGSIZE</a> - copy_start;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  memcpy(io_ring.buf + copy_start, localbuf, chunk_len);</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  memcpy(io_ring.buf, localbuf + chunk_len, copy_len - chunk_len);</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> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">/* wait for previous writes to complete before updating read_head. */</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">while</span> (io_ring.read_head != old_head)</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  rte_pause();</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  io_ring.read_head = new_head;</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> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> copy_len;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor"> #endif</span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">return</span> 0;</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> </div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">/*</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> * Display part of the message stored in the ring buffer.</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="comment"> * Might require multiple calls to print the full message.</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment"> * Will return 0 when nothing left to print.</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> */</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor">#if 0</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">int</span> xran_show_delayed_message(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> {</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a> <a class="code" href="ethernet_8c.html#a255a402bc6dcd7c53876e55a8162fcb9">tail</a> = io_ring.tail;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a> wlen = io_ring.read_head - <a class="code" href="ethernet_8c.html#a255a402bc6dcd7c53876e55a8162fcb9">tail</a>; <span class="comment">/* always within [0, RINGSIZE] */</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span> (wlen <= 0)</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">return</span> 0;</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>  tail &= <a class="code" href="ethernet_8c.html#a86876a46f9f0a408e13cb2a225b8e4e6">RINGMASK</a>; <span class="comment">/* modulo the range down now that we have wlen */</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">/* Make sure we're not going over buffer end. Next call will wrap. */</span></div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (tail + wlen > <a class="code" href="ethernet_8c.html#a0ff6d080449124d52d868d9ce2ffe871">RINGSIZE</a>)</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  wlen = <a class="code" href="ethernet_8c.html#a0ff6d080449124d52d868d9ce2ffe871">RINGSIZE</a> - <a class="code" href="ethernet_8c.html#a255a402bc6dcd7c53876e55a8162fcb9">tail</a>;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  RTE_ASSERT(tail + wlen <= <a class="code" href="ethernet_8c.html#a0ff6d080449124d52d868d9ce2ffe871">RINGSIZE</a>);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> </div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="comment">/* We use write() here to avoid recaculating string length in fwrite(). */</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">const</span> ssize_t written = write(STDOUT_FILENO, io_ring.buf + tail, wlen);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (written <= 0)</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> 0; <span class="comment">/* To avoid moving tail the wrong way on error. */</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">/* Move tail up. Only we touch it. And we only print from one core. */</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  io_ring.tail += written;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> written; <span class="comment">/* next invocation will print the rest if any */</span></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="preprocessor">#endif</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"><a class="line" href="ethernet_8h.html#ae64119c0e95fd2355ab7c07b92d34615"> 185</a></span> <span class="keywordtype">void</span> <a class="code" href="ethernet_8c.html#ae64119c0e95fd2355ab7c07b92d34615">xran_init_mbuf_pool</a>(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> {</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="comment">/* Init the buffer pool */</span></div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span> (rte_eal_process_type() == RTE_PROC_PRIMARY) {</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="ethernet_8c.html#a8d83e3adb6c9e839b3b7259288f100ba">_eth_mbuf_pool</a> = rte_pktmbuf_pool_create(<span class="stringliteral">"mempool"</span>, <a class="code" href="ethernet_8h.html#ae543d743ada71b167a5cbd813b15fa7f">NUM_MBUFS</a>,</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="ethernet_8h.html#aff7b5c03d15eefed7ec8ba88836914e6">MBUF_CACHE</a>, 0, <a class="code" href="ethernet_8h.html#aabc097abe969aa80654d34ee7f15109c">MBUF_POOL_ELEMENT</a>, rte_socket_id());</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor">#ifdef XRAN_ATTACH_MBUF</span></div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="ethernet_8c.html#a4454a38b3cf49dde846ab9b0e1a7ba56">_eth_mbuf_pool_inderect</a> = rte_pktmbuf_pool_create(<span class="stringliteral">"mempool_indirect"</span>, <a class="code" href="ethernet_8h.html#ae543d743ada71b167a5cbd813b15fa7f">NUM_MBUFS</a>,</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="ethernet_8h.html#aff7b5c03d15eefed7ec8ba88836914e6">MBUF_CACHE</a>, 0, <a class="code" href="ethernet_8h.html#aabc097abe969aa80654d34ee7f15109c">MBUF_POOL_ELEMENT</a>, rte_socket_id());*/</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <a class="code" href="ethernet_8c.html#a0300893b39ba152362bc3096f082d4be">_eth_mbuf_pool_rx</a> = rte_pktmbuf_pool_create(<span class="stringliteral">"mempool_rx"</span>, <a class="code" href="ethernet_8h.html#ae543d743ada71b167a5cbd813b15fa7f">NUM_MBUFS</a>,</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <a class="code" href="ethernet_8h.html#aff7b5c03d15eefed7ec8ba88836914e6">MBUF_CACHE</a>, 0, <a class="code" href="ethernet_8h.html#aabc097abe969aa80654d34ee7f15109c">MBUF_POOL_ELEMENT</a>, rte_socket_id());</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <a class="code" href="ethernet_8c.html#a3e5502cf11577af4893f3151eb221f75">_eth_mbuf_pool_small</a> = rte_pktmbuf_pool_create(<span class="stringliteral">"mempool_small"</span>,</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="ethernet_8h.html#ae543d743ada71b167a5cbd813b15fa7f">NUM_MBUFS</a>, <a class="code" href="ethernet_8h.html#aff7b5c03d15eefed7ec8ba88836914e6">MBUF_CACHE</a>, 0, <a class="code" href="ethernet_8h.html#ae9d0e06c9bf8c1de60edfed757593782">MBUF_POOL_ELM_SMALL</a>, rte_socket_id());</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="ethernet_8c.html#ae3907201762de3de953eb5ea9de9229a">_eth_mbuf_pool_big</a> = rte_pktmbuf_pool_create(<span class="stringliteral">"mempool_big"</span>,</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="code" href="ethernet_8h.html#a72098506af8c2d5c500ec4f8e0a0e17f">NUM_MBUFS_BIG</a>, 0, 0, <a class="code" href="ethernet_8h.html#ae8104b3bc03b93180e06acb87f420243">MBUF_POOL_ELM_BIG</a>, rte_socket_id());</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <a class="code" href="ethernet_8c.html#a8d83e3adb6c9e839b3b7259288f100ba">_eth_mbuf_pool</a> = rte_mempool_lookup(<span class="stringliteral">"mempool"</span>);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="ethernet_8c.html#a4454a38b3cf49dde846ab9b0e1a7ba56">_eth_mbuf_pool_inderect</a> = rte_mempool_lookup(<span class="stringliteral">"mempool_indirect"</span>);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="ethernet_8c.html#a0300893b39ba152362bc3096f082d4be">_eth_mbuf_pool_rx</a> = rte_mempool_lookup(<span class="stringliteral">"mempool_rx"</span>);</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="ethernet_8c.html#a3e5502cf11577af4893f3151eb221f75">_eth_mbuf_pool_small</a> = rte_mempool_lookup(<span class="stringliteral">"mempool_small"</span>);</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="ethernet_8c.html#ae3907201762de3de953eb5ea9de9229a">_eth_mbuf_pool_big</a> = rte_mempool_lookup(<span class="stringliteral">"mempool_big"</span>);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (<a class="code" href="ethernet_8c.html#a8d83e3adb6c9e839b3b7259288f100ba">_eth_mbuf_pool</a> == NULL)</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  rte_panic(<span class="stringliteral">"Cannot create mbuf pool: %s\n"</span>, rte_strerror(rte_errno));</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor">#ifdef XRAN_ATTACH_MBUF</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">if</span> (<a class="code" href="ethernet_8c.html#a4454a38b3cf49dde846ab9b0e1a7ba56">_eth_mbuf_pool_inderect</a> == NULL)</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  rte_panic(<span class="stringliteral">"Cannot create mbuf pool: %s\n"</span>, rte_strerror(rte_errno));</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span> (<a class="code" href="ethernet_8c.html#a0300893b39ba152362bc3096f082d4be">_eth_mbuf_pool_rx</a> == NULL)</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  rte_panic(<span class="stringliteral">"Cannot create mbuf pool: %s\n"</span>, rte_strerror(rte_errno));</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">if</span> (<a class="code" href="ethernet_8c.html#a3e5502cf11577af4893f3151eb221f75">_eth_mbuf_pool_small</a> == NULL)</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  rte_panic(<span class="stringliteral">"Cannot create small mbuf pool: %s\n"</span>, rte_strerror(rte_errno));</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">if</span> (<a class="code" href="ethernet_8c.html#ae3907201762de3de953eb5ea9de9229a">_eth_mbuf_pool_big</a> == NULL)</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  rte_panic(<span class="stringliteral">"Cannot create big mbuf pool: %s\n"</span>, rte_strerror(rte_errno));</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="keywordflow">if</span> (<a class="code" href="ethernet_8c.html#a9b3ca6fe25e72be5c4fd7a95f92d174f">socket_direct_pool</a> == NULL)</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="ethernet_8c.html#a9b3ca6fe25e72be5c4fd7a95f92d174f">socket_direct_pool</a> = <a class="code" href="ethernet_8c.html#a8d83e3adb6c9e839b3b7259288f100ba">_eth_mbuf_pool</a>;</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">if</span> (<a class="code" href="ethernet_8c.html#adb2e2732725779d167cb43cb9ecac924">socket_indirect_pool</a> == NULL)</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <a class="code" href="ethernet_8c.html#adb2e2732725779d167cb43cb9ecac924">socket_indirect_pool</a> = <a class="code" href="ethernet_8c.html#a4454a38b3cf49dde846ab9b0e1a7ba56">_eth_mbuf_pool_inderect</a>;</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> }</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">/* Init NIC port, then start the port */</span></div><div class="line"><a name="l00229"></a><span class="lineno"><a class="line" href="ethernet_8h.html#a9928d7cd5a9d3885479a9c0ae27249ee"> 229</a></span> <span class="keywordtype">void</span> <a class="code" href="ethernet_8c.html#a44ddaef5c37ad5880487ccf60fd6844a">xran_init_port</a>(<span class="keywordtype">int</span> p_id, <span class="keyword">struct</span> ether_addr *p_lls_cu_addr)</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> {</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keyword">static</span> uint16_t nb_rxd = <a class="code" href="ethernet_8h.html#a703e079cb598d615c750d24ec7432617">BURST_SIZE</a>;</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">static</span> uint16_t nb_txd = <a class="code" href="ethernet_8h.html#a703e079cb598d615c750d24ec7432617">BURST_SIZE</a>;</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">struct </span>ether_addr addr;</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">struct </span>rte_eth_rxmode rxmode =</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  { .split_hdr_size = 0,</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  .max_rx_pkt_len = <a class="code" href="ethernet_8h.html#af93d1ffa527a8d74a873d67174d006e1">MAX_RX_LEN</a>,</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  .offloads=(DEV_RX_OFFLOAD_JUMBO_FRAME|DEV_RX_OFFLOAD_CRC_STRIP)</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  };</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">struct </span>rte_eth_txmode txmode = {</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  .mq_mode = ETH_MQ_TX_NONE</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  };</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">struct </span>rte_eth_conf port_conf = {</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  .rxmode = rxmode,</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  .txmode = txmode</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  };</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keyword">struct </span>rte_eth_rxconf rxq_conf;</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keyword">struct </span>rte_eth_txconf txq_conf;</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>  <span class="keywordtype">int</span> ret;</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keyword">struct </span>rte_eth_dev_info dev_info;</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *drv_name = <span class="stringliteral">""</span>;</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordtype">int</span> sock_id = rte_eth_dev_socket_id(p_id);</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  rte_eth_dev_info_get(p_id, &dev_info);</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (dev_info.driver_name)</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  drv_name = dev_info.driver_name;</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  printf(<span class="stringliteral">"initializing port %d for TX, drv=%s\n"</span>, p_id, drv_name);</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> </div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  rte_eth_macaddr_get(p_id, &addr);</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  printf(<span class="stringliteral">"Port %u MAC: %02"</span>PRIx8<span class="stringliteral">" %02"</span>PRIx8<span class="stringliteral">" %02"</span>PRIx8</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="stringliteral">" %02"</span>PRIx8<span class="stringliteral">" %02"</span>PRIx8<span class="stringliteral">" %02"</span>PRIx8<span class="stringliteral">"\n"</span>,</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  (<span class="keywordtype">unsigned</span>)p_id,</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2],</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5]);</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> </div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">/* Init port */</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  ret = rte_eth_dev_configure(p_id, 1, 1, &port_conf);</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (ret < 0)</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  rte_panic(<span class="stringliteral">"Cannot configure port %u (%d)\n"</span>, p_id, ret);</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>  ret = rte_eth_dev_adjust_nb_rx_tx_desc(p_id, &nb_rxd,&nb_txd);</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span> (ret < 0) {</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  printf(<span class="stringliteral">"\n"</span>);</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  rte_exit(EXIT_FAILURE, <span class="stringliteral">"Cannot adjust number of "</span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="stringliteral">"descriptors: err=%d, port=%d\n"</span>, ret, p_id);</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>  printf(<span class="stringliteral">"Port %u: nb_rxd %d nb_txd %d\n"</span>, p_id, nb_rxd, nb_txd);</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">/* Init RX queues */</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  rxq_conf = dev_info.default_rxconf;</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  ret = rte_eth_rx_queue_setup(p_id, 0, nb_rxd,</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  sock_id, &rxq_conf, <a class="code" href="ethernet_8c.html#a0300893b39ba152362bc3096f082d4be">_eth_mbuf_pool_rx</a>);</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">if</span> (ret < 0)</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  rte_panic(<span class="stringliteral">"Cannot init RX for port %u (%d)\n"</span>,</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  p_id, ret);</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">/* Init TX queues */</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  txq_conf = dev_info.default_txconf;</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  ret = rte_eth_tx_queue_setup(p_id, 0, nb_txd, sock_id, &txq_conf);</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">if</span> (ret < 0)</div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  rte_panic(<span class="stringliteral">"Cannot init TX for port %u (%d)\n"</span>,</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  p_id, ret);</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">/* Start port */</span></div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  ret = rte_eth_dev_start(p_id);</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keywordflow">if</span> (ret < 0)</div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  rte_panic(<span class="stringliteral">"Cannot start port %u (%d)\n"</span>, p_id, ret);</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment">// rte_eth_promiscuous_enable(p_id);</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> }</div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> </div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="preprocessor">#if 0</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="keywordtype">void</span> xran_memdump(<span class="keywordtype">void</span> *addr, <span class="keywordtype">int</span> len)</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> {</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordtype">char</span> tmp_buf[len * 2 + len / 16 + 1];</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordtype">char</span> *p = tmp_buf;</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="preprocessor">#if 0</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">for</span> (i = 0; i < len; ++i) {</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  sprintf(p, <span class="stringliteral">"%.2X "</span>, ((uint8_t *)addr)[i]);</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (i % 16 == 15)</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  *p++ = <span class="charliteral">'\n'</span>;</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  *p = 0;</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <a class="code" href="ethernet_8h.html#a3f004b0d653b6c6481513d0681771452">nlog</a>(<span class="stringliteral">"%s"</span>, tmp_buf);</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> }</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> </div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment">/* Prepend ethernet header, possibly vlan tag. */</span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="keywordtype">void</span> xran_add_eth_hdr(<span class="keyword">struct</span> ether_addr *dst, uint16_t <a class="code" href="ethdi_8c.html#aa9296c58dc24c63c4ee927db394a97d7">ethertype</a>, <span class="keyword">struct</span> rte_mbuf *mb)</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> {</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="comment">/* add in the ethernet header */</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keyword">struct </span>ether_hdr *<span class="keyword">const</span> h = (<span class="keywordtype">void</span> *)rte_pktmbuf_prepend(mb, <span class="keyword">sizeof</span>(*h));</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <a class="code" href="ethernet_8h.html#ae9d2374bac7995a342bcf6ffdbe9f4a0">PANIC_ON</a>(h == NULL, <span class="stringliteral">"mbuf prepend of ether_hdr failed"</span>);</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">/* Fill in the ethernet header. */</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  rte_eth_macaddr_get(mb->port, &h->s_addr); <span class="comment">/* set source addr */</span></div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  h->d_addr = *dst; <span class="comment">/* set dst addr */</span></div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  h->ether_type = rte_cpu_to_be_16(<a class="code" href="ethdi_8c.html#aa9296c58dc24c63c4ee927db394a97d7">ethertype</a>); <span class="comment">/* ethertype too */</span></div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="preprocessor">#if defined(DPDKIO_DEBUG) && DPDKIO_DEBUG > 1</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  {</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="keywordtype">char</span> dst[ETHER_ADDR_FMT_SIZE] = <span class="stringliteral">"(empty)"</span>;</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordtype">char</span> src[ETHER_ADDR_FMT_SIZE] = <span class="stringliteral">"(empty)"</span>;</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <a class="code" href="ethernet_8h.html#a3f004b0d653b6c6481513d0681771452">nlog</a>(<span class="stringliteral">"*** packet for TX below (len %d) ***"</span>, rte_pktmbuf_pkt_len(mb));</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  ether_format_addr(src, <span class="keyword">sizeof</span>(src), &h->s_addr);</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  ether_format_addr(dst, <span class="keyword">sizeof</span>(dst), &h->d_addr);</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <a class="code" href="ethernet_8h.html#a3f004b0d653b6c6481513d0681771452">nlog</a>(<span class="stringliteral">"src: %s dst: %s ethertype: %.4X"</span>, src, dst, <a class="code" href="ethdi_8c.html#aa9296c58dc24c63c4ee927db394a97d7">ethertype</a>);</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="preprocessor">#ifdef VLAN_SUPPORT</span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  mb->vlan_tci = <a class="code" href="ethernet_8h.html#aedb12c4d673468ce4291b4e756a72b38">FLEXRAN_UP_VLAN_TAG</a>;</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <a class="code" href="ethernet_8h.html#a52fb3711338fc1b5acbbfb64ad3a2c62">dlog</a>(<span class="stringliteral">"Inserting vlan tag of %d"</span>, <a class="code" href="ethernet_8h.html#aedb12c4d673468ce4291b4e756a72b38">FLEXRAN_UP_VLAN_TAG</a>);</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  rte_vlan_insert(&mb);</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> }</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> </div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="keywordtype">int</span> xran_send_mbuf(<span class="keyword">struct</span> ether_addr *dst, <span class="keyword">struct</span> rte_mbuf *mb)</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> {</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  xran_add_eth_hdr(dst, <a class="code" href="ethernet_8h.html#a0118652ad4c1f706fd9b626221530738">ETHER_TYPE_ETHDI</a>, mb);</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">if</span> (rte_eth_tx_burst(mb->port, 0, &mb, 1) == 1)</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> </div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <a class="code" href="ethernet_8h.html#a0b63de3f9c61ad7ac89987bb44699200">elog</a>(<span class="stringliteral">"packet sending failed on port %d"</span>, mb->port);</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  rte_pktmbuf_free(mb);</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">return</span> 0; <span class="comment">/* fail */</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> }</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> </div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="keywordtype">int</span> xran_send_message_burst(<span class="keywordtype">int</span> dst_id, <span class="keywordtype">int</span> <a class="code" href="ethernet_8h.html#afc285891d94145229942219cffd91c4c">pkt_type</a>, <span class="keywordtype">void</span> *body, <span class="keywordtype">int</span> len)</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> {</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keyword">struct </span>rte_mbuf *mbufs[<a class="code" href="ethernet_8h.html#a703e079cb598d615c750d24ec7432617">BURST_SIZE</a>];</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  uint8_t *src = body;</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structxran__ethdi__ctx.html">xran_ethdi_ctx</a> *<span class="keyword">const</span> ctx = xran_ethdi_get_ctx();</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="comment">/* We're limited by maximum mbuf size on the receive size.</span></div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="comment"> * We can change this but this would be a bigger rework. */</span></div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  RTE_ASSERT(len < <a class="code" href="ethernet_8h.html#ae8104b3bc03b93180e06acb87f420243">MBUF_POOL_ELM_BIG</a>);</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> </div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="comment">/* Allocate the required number of mbufs. */</span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keyword">const</span> uint8_t count = ceilf((<span class="keywordtype">float</span>)len / <a class="code" href="ethernet_8h.html#a87f68e96fb938eddc39ad1f19d923a96">MAX_DATA_SIZE</a>);</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">if</span> (rte_pktmbuf_alloc_bulk(<a class="code" href="ethernet_8c.html#a8d83e3adb6c9e839b3b7259288f100ba">_eth_mbuf_pool</a>, mbufs, count) != 0)</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  rte_panic(<span class="stringliteral">"Failed to allocate %d mbufs\n"</span>, count);</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <a class="code" href="ethernet_8h.html#a3f004b0d653b6c6481513d0681771452">nlog</a>(<span class="stringliteral">"burst transfer with data size %lu"</span>, <a class="code" href="ethernet_8h.html#a87f68e96fb938eddc39ad1f19d923a96">MAX_DATA_SIZE</a>);</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">for</span> (i = 0; len > 0; ++i) {</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordtype">char</span> *p;</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keyword">struct </span><a class="code" href="structburst__hdr.html">burst_hdr</a> *bhdr;</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keyword">struct </span><a class="code" href="structethdi__hdr.html">ethdi_hdr</a> *edi_hdr;</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span> </div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="comment">/* Setup the ethdi_hdr. */</span></div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  edi_hdr = (<span class="keywordtype">void</span> *)rte_pktmbuf_append(mbufs[i], <span class="keyword">sizeof</span>(*edi_hdr));</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">if</span> (edi_hdr == NULL)</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  rte_panic(<span class="stringliteral">"append of ethdi_hdr failed\n"</span>);</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  edi_hdr-><a class="code" href="structethdi__hdr.html#a4a94413bc9a9a87e4231f299727b8bc7">pkt_type</a> = <a class="code" href="ethernet_8h.html#afc285891d94145229942219cffd91c4ca8af90a8520aed9743a099ba2b764531f">PKT_BURST</a>;</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="comment">/* edi_hdr->source_id setup in tx_from_ring */</span></div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  edi_hdr-><a class="code" href="structethdi__hdr.html#acaae193f1ae491957a7144912b32712b">dest_id</a> = dst_id;</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span> </div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="comment">/* Setup the burst header */</span></div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  bhdr = (<span class="keywordtype">void</span> *)rte_pktmbuf_append(mbufs[i], <span class="keyword">sizeof</span>(*bhdr));</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="keywordflow">if</span> (bhdr == NULL) <span class="comment">/* append failed. */</span></div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  rte_panic(<span class="stringliteral">"mbuf prepend of burst_hdr failed\n"</span>);</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  bhdr-><a class="code" href="structburst__hdr.html#a1bf90df9ae78437aca3a36cc15d8dea4">original_type</a> = <a class="code" href="ethernet_8h.html#afc285891d94145229942219cffd91c4c">pkt_type</a>;</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  bhdr-><a class="code" href="structburst__hdr.html#a90db3068871720903d0ccbb5a0b2fb1a">pkt_idx</a> = i; <span class="comment">/* save the index of the burst chunk. */</span></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  bhdr-><a class="code" href="structburst__hdr.html#addab391714c822ecc21f9b0551e2ae25">total_pkts</a> = count;</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="comment">/* now copy in the actual data */</span></div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> curr_data_len = RTE_MIN(len, <a class="code" href="ethernet_8h.html#a3ecef14a68660bf7e2c7007097e1a42d">MAX_TX_LEN</a> -</div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  rte_pktmbuf_pkt_len(mbufs[i]) - <span class="keyword">sizeof</span>(<span class="keyword">struct</span> ether_hdr));</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  p = (<span class="keywordtype">void</span> *)rte_pktmbuf_append(mbufs[i], curr_data_len);</div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="keywordflow">if</span> (p == NULL)</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  rte_panic(<span class="stringliteral">"mbuf append of %d data bytes failed\n"</span>, curr_data_len);</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="comment">/* This copy is unavoidable, as we're splitting one big buffer</span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="comment"> * into multiple mbufs. */</span></div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  rte_memcpy(p, src, curr_data_len);</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span> </div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <a class="code" href="ethernet_8h.html#a52fb3711338fc1b5acbbfb64ad3a2c62">dlog</a>(<span class="stringliteral">"curr_data_len[%d] = %d"</span>, i, curr_data_len);</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <a class="code" href="ethernet_8h.html#a52fb3711338fc1b5acbbfb64ad3a2c62">dlog</a>(<span class="stringliteral">"packet %d size %d"</span>, i, rte_pktmbuf_pkt_len(mbufs[i]));</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">/* Update our source data pointer and remaining length. */</span></div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  len -= curr_data_len;</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  src += curr_data_len;</div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  }</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> </div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="comment">/* Now enqueue the full prepared burst. */</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  i = rte_ring_enqueue_bulk(ctx-><a class="code" href="structxran__ethdi__ctx.html#af78a2835ea5575b2e63963898d89b34f">tx_ring</a>[0], (<span class="keywordtype">void</span> **)mbufs, count, NULL);</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <a class="code" href="ethernet_8h.html#ae9d2374bac7995a342bcf6ffdbe9f4a0">PANIC_ON</a>(i != count, <span class="stringliteral">"failed to enqueue all mbufs: %d/%d"</span>, i, count);</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <a class="code" href="ethernet_8h.html#a52fb3711338fc1b5acbbfb64ad3a2c62">dlog</a>(<span class="stringliteral">"%d packets enqueued on port %d."</span>, count, ctx-><a class="code" href="structxran__ethdi__ctx.html#a84a901e82e979ec87118ff865b311a1f">io_cfg</a>.<a class="code" href="structxran__io__loop__cfg.html#af48c6d39ced0dc3629c2b2c1322dae84">port</a>);</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> }</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span> </div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment">/* Prepend ethernet header, possibly vlan tag. */</span></div><div class="line"><a name="l00434"></a><span class="lineno"><a class="line" href="ethernet_8h.html#aa3e9cefbde42d6864805b4ba2a8f4c86"> 434</a></span> <span class="keywordtype">void</span> <a class="code" href="ethernet_8c.html#aa3e9cefbde42d6864805b4ba2a8f4c86">xran_add_eth_hdr_vlan</a>(<span class="keyword">struct</span> ether_addr *dst, uint16_t <a class="code" href="ethdi_8c.html#aa9296c58dc24c63c4ee927db394a97d7">ethertype</a>, <span class="keyword">struct</span> rte_mbuf *mb, uint16_t vlan_tci)</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span> {</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="comment">/* add in the ethernet header */</span></div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keyword">struct </span>ether_hdr *h = (<span class="keyword">struct </span>ether_hdr *)rte_pktmbuf_mtod(mb, <span class="keyword">struct</span> ether_hdr*);</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <a class="code" href="ethernet_8h.html#ae9d2374bac7995a342bcf6ffdbe9f4a0">PANIC_ON</a>(h == NULL, <span class="stringliteral">"mbuf prepend of ether_hdr failed"</span>);</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> </div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="comment">/* Fill in the ethernet header. */</span></div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  rte_eth_macaddr_get(mb->port, &h->s_addr); <span class="comment">/* set source addr */</span></div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  h->d_addr = *dst; <span class="comment">/* set dst addr */</span></div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  h->ether_type = rte_cpu_to_be_16(ethertype); <span class="comment">/* ethertype too */</span></div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="preprocessor">#if defined(DPDKIO_DEBUG) && DPDKIO_DEBUG > 1</span></div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  {</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordtype">char</span> dst[ETHER_ADDR_FMT_SIZE] = <span class="stringliteral">"(empty)"</span>;</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="keywordtype">char</span> src[ETHER_ADDR_FMT_SIZE] = <span class="stringliteral">"(empty)"</span>;</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span> </div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <a class="code" href="ethernet_8h.html#a3f004b0d653b6c6481513d0681771452">nlog</a>(<span class="stringliteral">"*** packet for TX below (len %d) ***"</span>, rte_pktmbuf_pkt_len(mb));</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  ether_format_addr(src, <span class="keyword">sizeof</span>(src), &h->s_addr);</div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  ether_format_addr(dst, <span class="keyword">sizeof</span>(dst), &h->d_addr);</div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <a class="code" href="ethernet_8h.html#a3f004b0d653b6c6481513d0681771452">nlog</a>(<span class="stringliteral">"src: %s dst: %s ethertype: %.4X"</span>, src, dst, ethertype);</div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="preprocessor">#ifdef VLAN_SUPPORT</span></div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  mb->vlan_tci = vlan_tci;</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <a class="code" href="ethernet_8h.html#a52fb3711338fc1b5acbbfb64ad3a2c62">dlog</a>(<span class="stringliteral">"Inserting vlan tag of %d"</span>, vlan_tci);</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  rte_vlan_insert(&mb);</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span> }</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span> </div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span> </div><div class="ttc" id="ethernet_8c_html_adb2e2732725779d167cb43cb9ecac924"><div class="ttname"><a href="ethernet_8c.html#adb2e2732725779d167cb43cb9ecac924">socket_indirect_pool</a></div><div class="ttdeci">struct rte_mempool * socket_indirect_pool</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00077">ethernet.c:77</a></div></div>
71 <div class="ttc" id="ethernet_8h_html_ae9d2374bac7995a342bcf6ffdbe9f4a0"><div class="ttname"><a href="ethernet_8h.html#ae9d2374bac7995a342bcf6ffdbe9f4a0">PANIC_ON</a></div><div class="ttdeci">#define PANIC_ON(x, m,...)</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00148">ethernet.h:148</a></div></div>
72 <div class="ttc" id="ethernet_8h_html_aabc097abe969aa80654d34ee7f15109c"><div class="ttname"><a href="ethernet_8h.html#aabc097abe969aa80654d34ee7f15109c">MBUF_POOL_ELEMENT</a></div><div class="ttdeci">#define MBUF_POOL_ELEMENT</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00050">ethernet.h:50</a></div></div>
73 <div class="ttc" id="ethernet_8h_html_a72098506af8c2d5c500ec4f8e0a0e17f"><div class="ttname"><a href="ethernet_8h.html#a72098506af8c2d5c500ec4f8e0a0e17f">NUM_MBUFS_BIG</a></div><div class="ttdeci">#define NUM_MBUFS_BIG</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00059">ethernet.h:59</a></div></div>
74 <div class="ttc" id="structburst__hdr_html_a1bf90df9ae78437aca3a36cc15d8dea4"><div class="ttname"><a href="structburst__hdr.html#a1bf90df9ae78437aca3a36cc15d8dea4">burst_hdr::original_type</a></div><div class="ttdeci">int8_t original_type</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00108">ethernet.h:108</a></div></div>
75 <div class="ttc" id="structxran__ethdi__ctx_html_a84a901e82e979ec87118ff865b311a1f"><div class="ttname"><a href="structxran__ethdi__ctx.html#a84a901e82e979ec87118ff865b311a1f">xran_ethdi_ctx::io_cfg</a></div><div class="ttdeci">struct xran_io_loop_cfg io_cfg</div><div class="ttdef"><b>Definition:</b> <a href="ethdi_8h_source.html#l00113">ethdi.h:113</a></div></div>
76 <div class="ttc" id="ethernet_8h_html_afc285891d94145229942219cffd91c4c"><div class="ttname"><a href="ethernet_8h.html#afc285891d94145229942219cffd91c4c">pkt_type</a></div><div class="ttdeci">pkt_type</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00071">ethernet.h:71</a></div></div>
77 <div class="ttc" id="structxran__ethdi__ctx_html_af78a2835ea5575b2e63963898d89b34f"><div class="ttname"><a href="structxran__ethdi__ctx.html#af78a2835ea5575b2e63963898d89b34f">xran_ethdi_ctx::tx_ring</a></div><div class="ttdeci">struct rte_ring * tx_ring[ETHDI_VF_MAX]</div><div class="ttdef"><b>Definition:</b> <a href="ethdi_8h_source.html#l00119">ethdi.h:119</a></div></div>
78 <div class="ttc" id="ethernet_8c_html_a9b3ca6fe25e72be5c4fd7a95f92d174f"><div class="ttname"><a href="ethernet_8c.html#a9b3ca6fe25e72be5c4fd7a95f92d174f">socket_direct_pool</a></div><div class="ttdeci">struct rte_mempool * socket_direct_pool</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00076">ethernet.c:76</a></div></div>
79 <div class="ttc" id="ethernet_8c_html_a44ddaef5c37ad5880487ccf60fd6844a"><div class="ttname"><a href="ethernet_8c.html#a44ddaef5c37ad5880487ccf60fd6844a">xran_init_port</a></div><div class="ttdeci">void xran_init_port(int p_id, struct ether_addr *p_lls_cu_addr)</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00229">ethernet.c:229</a></div></div>
80 <div class="ttc" id="ethernet_8c_html_aee422b7193c84ae1fa4d6708a4bc577b"><div class="ttname"><a href="ethernet_8c.html#aee422b7193c84ae1fa4d6708a4bc577b">__xran_delayed_msg</a></div><div class="ttdeci">int __xran_delayed_msg(const char *fmt,...)</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00097">ethernet.c:97</a></div></div>
81 <div class="ttc" id="structburst__hdr_html_addab391714c822ecc21f9b0551e2ae25"><div class="ttname"><a href="structburst__hdr.html#addab391714c822ecc21f9b0551e2ae25">burst_hdr::total_pkts</a></div><div class="ttdeci">int8_t total_pkts</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00107">ethernet.h:107</a></div></div>
82 <div class="ttc" id="ethernet_8c_html_a255a402bc6dcd7c53876e55a8162fcb9"><div class="ttname"><a href="ethernet_8c.html#a255a402bc6dcd7c53876e55a8162fcb9">tail</a></div><div class="ttdeci">ring_idx tail</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00090">ethernet.c:90</a></div></div>
83 <div class="ttc" id="ethernet_8h_html_a52fb3711338fc1b5acbbfb64ad3a2c62"><div class="ttname"><a href="ethernet_8h.html#a52fb3711338fc1b5acbbfb64ad3a2c62">dlog</a></div><div class="ttdeci">#define dlog(m,...)</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00145">ethernet.h:145</a></div></div>
84 <div class="ttc" id="ethernet_8c_html_a86876a46f9f0a408e13cb2a225b8e4e6"><div class="ttname"><a href="ethernet_8c.html#a86876a46f9f0a408e13cb2a225b8e4e6">RINGMASK</a></div><div class="ttdeci">#define RINGMASK</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00095">ethernet.c:95</a></div></div>
85 <div class="ttc" id="ethernet_8c_html_a0300893b39ba152362bc3096f082d4be"><div class="ttname"><a href="ethernet_8c.html#a0300893b39ba152362bc3096f082d4be">_eth_mbuf_pool_rx</a></div><div class="ttdeci">struct rte_mempool * _eth_mbuf_pool_rx</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00072">ethernet.c:72</a></div></div>
86 <div class="ttc" id="ethernet_8h_html_a87f68e96fb938eddc39ad1f19d923a96"><div class="ttname"><a href="ethernet_8h.html#a87f68e96fb938eddc39ad1f19d923a96">MAX_DATA_SIZE</a></div><div class="ttdeci">#define MAX_DATA_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00054">ethernet.h:54</a></div></div>
87 <div class="ttc" id="structethdi__hdr_html"><div class="ttname"><a href="structethdi__hdr.html">ethdi_hdr</a></div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00112">ethernet.h:112</a></div></div>
88 <div class="ttc" id="structburst__hdr_html_a90db3068871720903d0ccbb5a0b2fb1a"><div class="ttname"><a href="structburst__hdr.html#a90db3068871720903d0ccbb5a0b2fb1a">burst_hdr::pkt_idx</a></div><div class="ttdeci">int8_t pkt_idx</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00106">ethernet.h:106</a></div></div>
89 <div class="ttc" id="ethernet_8h_html"><div class="ttname"><a href="ethernet_8h.html">ethernet.h</a></div><div class="ttdoc">This file has all definitions for the Ethernet Data Interface Layer. </div></div>
90 <div class="ttc" id="ethernet_8c_html_aa3e9cefbde42d6864805b4ba2a8f4c86"><div class="ttname"><a href="ethernet_8c.html#aa3e9cefbde42d6864805b4ba2a8f4c86">xran_add_eth_hdr_vlan</a></div><div class="ttdeci">void xran_add_eth_hdr_vlan(struct ether_addr *dst, uint16_t ethertype, struct rte_mbuf *mb, uint16_t vlan_tci)</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00434">ethernet.c:434</a></div></div>
91 <div class="ttc" id="ethernet_8h_html_aedb12c4d673468ce4291b4e756a72b38"><div class="ttname"><a href="ethernet_8h.html#aedb12c4d673468ce4291b4e756a72b38">FLEXRAN_UP_VLAN_TAG</a></div><div class="ttdeci">#define FLEXRAN_UP_VLAN_TAG</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00040">ethernet.h:40</a></div></div>
92 <div class="ttc" id="ethernet_8h_html_a3f004b0d653b6c6481513d0681771452"><div class="ttname"><a href="ethernet_8h.html#a3f004b0d653b6c6481513d0681771452">nlog</a></div><div class="ttdeci">#define nlog(m,...)</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00138">ethernet.h:138</a></div></div>
93 <div class="ttc" id="ethernet_8c_html_a3e5502cf11577af4893f3151eb221f75"><div class="ttname"><a href="ethernet_8c.html#a3e5502cf11577af4893f3151eb221f75">_eth_mbuf_pool_small</a></div><div class="ttdeci">struct rte_mempool * _eth_mbuf_pool_small</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00073">ethernet.c:73</a></div></div>
94 <div class="ttc" id="structburst__hdr_html"><div class="ttname"><a href="structburst__hdr.html">burst_hdr</a></div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00105">ethernet.h:105</a></div></div>
95 <div class="ttc" id="ethernet_8h_html_af93d1ffa527a8d74a873d67174d006e1"><div class="ttname"><a href="ethernet_8h.html#af93d1ffa527a8d74a873d67174d006e1">MAX_RX_LEN</a></div><div class="ttdeci">#define MAX_RX_LEN</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00052">ethernet.h:52</a></div></div>
96 <div class="ttc" id="ethernet_8c_html_a4454a38b3cf49dde846ab9b0e1a7ba56"><div class="ttname"><a href="ethernet_8c.html#a4454a38b3cf49dde846ab9b0e1a7ba56">_eth_mbuf_pool_inderect</a></div><div class="ttdeci">struct rte_mempool * _eth_mbuf_pool_inderect</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00071">ethernet.c:71</a></div></div>
97 <div class="ttc" id="ethernet_8h_html_a3ecef14a68660bf7e2c7007097e1a42d"><div class="ttname"><a href="ethernet_8h.html#a3ecef14a68660bf7e2c7007097e1a42d">MAX_TX_LEN</a></div><div class="ttdeci">#define MAX_TX_LEN</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00053">ethernet.h:53</a></div></div>
98 <div class="ttc" id="structxran__io__loop__cfg_html_af48c6d39ced0dc3629c2b2c1322dae84"><div class="ttname"><a href="structxran__io__loop__cfg.html#af48c6d39ced0dc3629c2b2c1322dae84">xran_io_loop_cfg::port</a></div><div class="ttdeci">int port[ETHDI_VF_MAX]</div><div class="ttdef"><b>Definition:</b> <a href="ethdi_8h_source.html#l00092">ethdi.h:92</a></div></div>
99 <div class="ttc" id="ethernet_8h_html_a703e079cb598d615c750d24ec7432617"><div class="ttname"><a href="ethernet_8h.html#a703e079cb598d615c750d24ec7432617">BURST_SIZE</a></div><div class="ttdeci">#define BURST_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00037">ethernet.h:37</a></div></div>
100 <div class="ttc" id="ethernet_8c_html_a8d83e3adb6c9e839b3b7259288f100ba"><div class="ttname"><a href="ethernet_8c.html#a8d83e3adb6c9e839b3b7259288f100ba">_eth_mbuf_pool</a></div><div class="ttdeci">struct rte_mempool * _eth_mbuf_pool</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00070">ethernet.c:70</a></div></div>
101 <div class="ttc" id="ethernet_8c_html_ad9e63131290aa4ae5beeddaf0505946d"><div class="ttname"><a href="ethernet_8c.html#ad9e63131290aa4ae5beeddaf0505946d">head</a></div><div class="ttdeci">ring_idx head</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00088">ethernet.c:88</a></div></div>
102 <div class="ttc" id="ethdi_8h_html"><div class="ttname"><a href="ethdi_8h.html">ethdi.h</a></div><div class="ttdoc">This file has all definitions for the Ethernet Data Interface Layer. </div></div>
103 <div class="ttc" id="ethernet_8c_html_ac75fce8692fd1d41a8985f6aacc4a175"><div class="ttname"><a href="ethernet_8c.html#ac75fce8692fd1d41a8985f6aacc4a175">buf</a></div><div class="ttdeci">char buf[1024]</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00091">ethernet.c:91</a></div></div>
104 <div class="ttc" id="ethernet_8h_html_a0118652ad4c1f706fd9b626221530738"><div class="ttname"><a href="ethernet_8h.html#a0118652ad4c1f706fd9b626221530738">ETHER_TYPE_ETHDI</a></div><div class="ttdeci">#define ETHER_TYPE_ETHDI</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00041">ethernet.h:41</a></div></div>
105 <div class="ttc" id="ethernet_8h_html_afc285891d94145229942219cffd91c4ca8af90a8520aed9743a099ba2b764531f"><div class="ttname"><a href="ethernet_8h.html#afc285891d94145229942219cffd91c4ca8af90a8520aed9743a099ba2b764531f">PKT_BURST</a></div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00081">ethernet.h:81</a></div></div>
106 <div class="ttc" id="structxran__ethdi__ctx_html"><div class="ttname"><a href="structxran__ethdi__ctx.html">xran_ethdi_ctx</a></div><div class="ttdef"><b>Definition:</b> <a href="ethdi_8h_source.html#l00111">ethdi.h:111</a></div></div>
107 <div class="ttc" id="ethernet_8h_html_aff7b5c03d15eefed7ec8ba88836914e6"><div class="ttname"><a href="ethernet_8h.html#aff7b5c03d15eefed7ec8ba88836914e6">MBUF_CACHE</a></div><div class="ttdeci">#define MBUF_CACHE</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00047">ethernet.h:47</a></div></div>
108 <div class="ttc" id="ethernet_8c_html_a845b3b4b5f6eeeef2ffa38a0048d5969"><div class="ttname"><a href="ethernet_8c.html#a845b3b4b5f6eeeef2ffa38a0048d5969">ring_idx</a></div><div class="ttdeci">uint16_t ring_idx</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00086">ethernet.c:86</a></div></div>
109 <div class="ttc" id="ethernet_8h_html_ae543d743ada71b167a5cbd813b15fa7f"><div class="ttname"><a href="ethernet_8h.html#ae543d743ada71b167a5cbd813b15fa7f">NUM_MBUFS</a></div><div class="ttdeci">#define NUM_MBUFS</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00046">ethernet.h:46</a></div></div>
110 <div class="ttc" id="ethdi_8c_html_aa9296c58dc24c63c4ee927db394a97d7"><div class="ttname"><a href="ethdi_8c.html#aa9296c58dc24c63c4ee927db394a97d7">ethertype</a></div><div class="ttdeci">uint16_t ethertype</div><div class="ttdef"><b>Definition:</b> <a href="ethdi_8c_source.html#l00114">ethdi.c:114</a></div></div>
111 <div class="ttc" id="ethernet_8h_html_a0b63de3f9c61ad7ac89987bb44699200"><div class="ttname"><a href="ethernet_8h.html#a0b63de3f9c61ad7ac89987bb44699200">elog</a></div><div class="ttdeci">#define elog(m,...)</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00141">ethernet.h:141</a></div></div>
112 <div class="ttc" id="ethernet_8h_html_ae8104b3bc03b93180e06acb87f420243"><div class="ttname"><a href="ethernet_8h.html#ae8104b3bc03b93180e06acb87f420243">MBUF_POOL_ELM_BIG</a></div><div class="ttdeci">#define MBUF_POOL_ELM_BIG</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00058">ethernet.h:58</a></div></div>
113 <div class="ttc" id="structethdi__hdr_html_acaae193f1ae491957a7144912b32712b"><div class="ttname"><a href="structethdi__hdr.html#acaae193f1ae491957a7144912b32712b">ethdi_hdr::dest_id</a></div><div class="ttdeci">uint8_t dest_id</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00115">ethernet.h:115</a></div></div>
114 <div class="ttc" id="ethernet_8c_html_a33dbe0774fc577b56bd532cf3736106e"><div class="ttname"><a href="ethernet_8c.html#a33dbe0774fc577b56bd532cf3736106e">read_head</a></div><div class="ttdeci">ring_idx read_head</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00089">ethernet.c:89</a></div></div>
115 <div class="ttc" id="structethdi__hdr_html_a4a94413bc9a9a87e4231f299727b8bc7"><div class="ttname"><a href="structethdi__hdr.html#a4a94413bc9a9a87e4231f299727b8bc7">ethdi_hdr::pkt_type</a></div><div class="ttdeci">uint8_t pkt_type</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00113">ethernet.h:113</a></div></div>
116 <div class="ttc" id="ethernet_8c_html_ae64119c0e95fd2355ab7c07b92d34615"><div class="ttname"><a href="ethernet_8c.html#ae64119c0e95fd2355ab7c07b92d34615">xran_init_mbuf_pool</a></div><div class="ttdeci">void xran_init_mbuf_pool(void)</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00185">ethernet.c:185</a></div></div>
117 <div class="ttc" id="ethernet_8c_html_ae3907201762de3de953eb5ea9de9229a"><div class="ttname"><a href="ethernet_8c.html#ae3907201762de3de953eb5ea9de9229a">_eth_mbuf_pool_big</a></div><div class="ttdeci">struct rte_mempool * _eth_mbuf_pool_big</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00074">ethernet.c:74</a></div></div>
118 <div class="ttc" id="ethernet_8h_html_ae9d0e06c9bf8c1de60edfed757593782"><div class="ttname"><a href="ethernet_8h.html#ae9d0e06c9bf8c1de60edfed757593782">MBUF_POOL_ELM_SMALL</a></div><div class="ttdeci">#define MBUF_POOL_ELM_SMALL</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8h_source.html#l00049">ethernet.h:49</a></div></div>
119 <div class="ttc" id="ethernet_8c_html_a0ff6d080449124d52d868d9ce2ffe871"><div class="ttname"><a href="ethernet_8c.html#a0ff6d080449124d52d868d9ce2ffe871">RINGSIZE</a></div><div class="ttdeci">#define RINGSIZE</div><div class="ttdef"><b>Definition:</b> <a href="ethernet_8c_source.html#l00094">ethernet.c:94</a></div></div>
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