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67 <a href="#define-members">Macros</a> |
68 <a href="#func-members">Functions</a> </div>
69 <div class="headertitle">
70 <div class="title">xran_app_frag.c File Reference</div> </div>
72 <div class="contents">
74 <p>xRAN application frgamentation for U-plane packets
75 <a href="#details">More...</a></p>
76 <div class="textblock"><code>#include <stdio.h></code><br />
77 <code>#include <stddef.h></code><br />
78 <code>#include <errno.h></code><br />
79 <code>#include <rte_mbuf.h></code><br />
80 <code>#include <rte_memcpy.h></code><br />
81 <code>#include <rte_mempool.h></code><br />
82 <code>#include <rte_debug.h></code><br />
83 <code>#include "<a class="el" href="xran__app__frag_8h_source.html">xran_app_frag.h</a>"</code><br />
84 <code>#include "<a class="el" href="xran__cp__api_8h_source.html">xran_cp_api.h</a>"</code><br />
85 <code>#include "<a class="el" href="xran__pkt__up_8h_source.html">xran_pkt_up.h</a>"</code><br />
86 <code>#include "<a class="el" href="xran__printf_8h_source.html">xran_printf.h</a>"</code><br />
87 <code>#include "<a class="el" href="xran__common_8h_source.html">xran_common.h</a>"</code><br />
88 </div><div class="textblock"><div class="dynheader">
89 Include dependency graph for xran_app_frag.c:</div>
90 <div class="dyncontent">
91 <div class="center"><img src="xran__app__frag_8c__incl.png" border="0" usemap="#xran__app__frag_8c" alt=""/></div>
92 <map name="xran__app__frag_8c" id="xran__app__frag_8c">
93 <area shape="rect" id="node9" href="xran__app__frag_8h.html" title="Header file for functions to perform application level fragmentation. " alt="" coords="481,80,595,107"/>
94 <area shape="rect" id="node27" href="xran__cp__api_8h.html" title="This file provides the definitions for Control Plane Messages APIs. " alt="" coords="856,155,959,181"/>
95 <area shape="rect" id="node33" href="xran__pkt__up_8h.html" title="Definitions and support functions to process XRAN packet. " alt="" coords="1518,155,1622,181"/>
96 <area shape="rect" id="node34" href="xran__printf_8h.html" title="Modules provide debug prints and utility functions. " alt="" coords="685,229,780,256"/>
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105 <p><a href="xran__app__frag_8c_source.html">Go to the source code of this file.</a></p>
106 <table class="memberdecls">
107 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
108 Macros</h2></td></tr>
109 <tr class="memitem:a2edabb9c91d40ec79fbebbb2fa0457d0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="xran__app__frag_8c.html#a2edabb9c91d40ec79fbebbb2fa0457d0">XRAN_PAYLOAD_RB_ALIGN</a>   (<a class="el" href="xran__common_8h.html#ab97ae0d1cc679c3c40b779b34ab7b4cf">N_SC_PER_PRB</a>*(<a class="el" href="xran__pkt__up_8h.html#a1f562f709cbcc25bce1e2af28e796ff2">IQ_BITS</a>/8)*2)</td></tr>
110 <tr class="separator:a2edabb9c91d40ec79fbebbb2fa0457d0"><td class="memSeparator" colspan="2"> </td></tr>
111 </table><table class="memberdecls">
112 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
113 Functions</h2></td></tr>
114 <tr class="memitem:a601e1216fbace8ea32a97e37df69b129"><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="xran__app__frag_8c.html#a601e1216fbace8ea32a97e37df69b129">xran_app_fragment_packet</a> (struct rte_mbuf *pkt_in, struct rte_mbuf **pkts_out, uint16_t nb_pkts_out, uint16_t mtu_size, struct rte_mempool *pool_direct, struct rte_mempool *pool_indirect, struct <a class="el" href="structxran__section__info.html">xran_section_info</a> *sectinfo, uint8_t *seqid)</td></tr>
115 <tr class="separator:a601e1216fbace8ea32a97e37df69b129"><td class="memSeparator" colspan="2"> </td></tr>
117 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
118 <div class="textblock"><p>xRAN application frgamentation for U-plane packets </p>
119 <dl class="section author"><dt>Author</dt><dd>Intel Corporation </dd></dl>
121 <p class="definition">Definition in file <a class="el" href="xran__app__frag_8c_source.html">xran_app_frag.c</a>.</p>
122 </div><h2 class="groupheader">Macro Definition Documentation</h2>
123 <a id="a2edabb9c91d40ec79fbebbb2fa0457d0"></a>
124 <h2 class="memtitle"><span class="permalink"><a href="#a2edabb9c91d40ec79fbebbb2fa0457d0">◆ </a></span>XRAN_PAYLOAD_RB_ALIGN</h2>
126 <div class="memitem">
127 <div class="memproto">
128 <table class="memname">
130 <td class="memname">#define XRAN_PAYLOAD_RB_ALIGN   (<a class="el" href="xran__common_8h.html#ab97ae0d1cc679c3c40b779b34ab7b4cf">N_SC_PER_PRB</a>*(<a class="el" href="xran__pkt__up_8h.html#a1f562f709cbcc25bce1e2af28e796ff2">IQ_BITS</a>/8)*2)</td>
133 </div><div class="memdoc">
134 <p>at least 12*4=48 bytes per one RB </p>
136 <p class="definition">Definition at line <a class="el" href="xran__app__frag_8c_source.html#l00043">43</a> of file <a class="el" href="xran__app__frag_8c_source.html">xran_app_frag.c</a>.</p>
140 <h2 class="groupheader">Function Documentation</h2>
141 <a id="a601e1216fbace8ea32a97e37df69b129"></a>
142 <h2 class="memtitle"><span class="permalink"><a href="#a601e1216fbace8ea32a97e37df69b129">◆ </a></span>xran_app_fragment_packet()</h2>
144 <div class="memitem">
145 <div class="memproto">
146 <table class="memname">
148 <td class="memname">int32_t xran_app_fragment_packet </td>
150 <td class="paramtype">struct rte_mbuf * </td>
151 <td class="paramname"><em>pkt_in</em>, </td>
154 <td class="paramkey"></td>
156 <td class="paramtype">struct rte_mbuf ** </td>
157 <td class="paramname"><em>pkts_out</em>, </td>
160 <td class="paramkey"></td>
162 <td class="paramtype">uint16_t </td>
163 <td class="paramname"><em>nb_pkts_out</em>, </td>
166 <td class="paramkey"></td>
168 <td class="paramtype">uint16_t </td>
169 <td class="paramname"><em>mtu_size</em>, </td>
172 <td class="paramkey"></td>
174 <td class="paramtype">struct rte_mempool * </td>
175 <td class="paramname"><em>pool_direct</em>, </td>
178 <td class="paramkey"></td>
180 <td class="paramtype">struct rte_mempool * </td>
181 <td class="paramname"><em>pool_indirect</em>, </td>
184 <td class="paramkey"></td>
186 <td class="paramtype">struct <a class="el" href="structxran__section__info.html">xran_section_info</a> * </td>
187 <td class="paramname"><em>sectinfo</em>, </td>
190 <td class="paramkey"></td>
192 <td class="paramtype">uint8_t * </td>
193 <td class="paramname"><em>seqid</em> </td>
201 </div><div class="memdoc">
202 <p>XRAN fragmentation.</p>
203 <p>This function implements the application fragmentation of XRAN packets.</p>
204 <dl class="params"><dt>Parameters</dt><dd>
205 <table class="params">
206 <tr><td class="paramname">pkt_in</td><td>The input packet. </td></tr>
207 <tr><td class="paramname">pkts_out</td><td>Array storing the output fragments. </td></tr>
208 <tr><td class="paramname">mtu_size</td><td>Size in bytes of the Maximum Transfer Unit (MTU) for the outgoing XRAN datagrams. This value includes the size of the XRAN headers. </td></tr>
209 <tr><td class="paramname">pool_direct</td><td>MBUF pool used for allocating direct buffers for the output fragments. </td></tr>
210 <tr><td class="paramname">pool_indirect</td><td>MBUF pool used for allocating indirect buffers for the output fragments. </td></tr>
214 <dl class="section return"><dt>Returns</dt><dd>Upon successful completion - number of output fragments placed in the pkts_out array. Otherwise - (-1) * <errno>. </dd></dl>
216 <p class="definition">Definition at line <a class="el" href="xran__app__frag_8c_source.html#l00104">104</a> of file <a class="el" href="xran__app__frag_8c_source.html">xran_app_frag.c</a>.</p>
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