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Miodrag Milanovic c4fa7719b1 Added integral version of WinPcap SDK (nw)
2015-01-10 12:21:12 +01:00

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<h1>__CPU_Private_Data Struct Reference<br/>
<small>
[<a class="el" href="group__NPF__include.html">NPF structures and definitions</a>]</small>
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<p>Kernel buffer of each CPU.
<a href="#_details">More...</a></p>
<p><code>#include &lt;<a class="el" href="Packet_8h_source.html">Packet.h</a>&gt;</code></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Data Fields</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">ULONG&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#a897d2179904e0d6fafd73b3d400052de">P</a></td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Zero-based index of the producer in the buffer. It indicates the first free byte to be written. <a href="#a897d2179904e0d6fafd73b3d400052de"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">ULONG&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#a2df61425b58c12f1de6f0e6aaeb131ea">C</a></td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Zero-based index of the consumer in the buffer. It indicates the first free byte to be read. <a href="#a2df61425b58c12f1de6f0e6aaeb131ea"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">ULONG&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#acaf5ef1e959170b06d01fc65a27bb951">Free</a></td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Number of the free bytes in the buffer. <a href="#acaf5ef1e959170b06d01fc65a27bb951"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">PUCHAR&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#a7ed9f5e612c567cfa25af0f46a25dad4">Buffer</a></td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Pointer to the kernel buffer used to capture packets. <a href="#a7ed9f5e612c567cfa25af0f46a25dad4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">ULONG&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#ac723ebbda9ff2ef8e4d773c7305db1f6">Accepted</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">ULONG&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#a82febc79f3f3bbf857a4fd34447b5ca2">Received</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">ULONG&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#a04eecb86252e644a73f38346274340dc">Dropped</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">NDIS_SPIN_LOCK&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#a59c9030d87b24c9cb4efdabe9c7b9337">BufferLock</a></td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">It protects the buffer associated with this CPU. <a href="#a59c9030d87b24c9cb4efdabe9c7b9337"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">PMDL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#acae03ade5065032ceaeef0bd03217b4f">TransferMdl1</a></td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">MDL used to map the portion of the buffer that will contain an incoming packet. <a href="#acae03ade5065032ceaeef0bd03217b4f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">PMDL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#a17b59e156d00ef5c76bdfe454c73ca49">TransferMdl2</a></td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Second MDL used to map the portion of the buffer that will contain an incoming packet. <a href="#a17b59e156d00ef5c76bdfe454c73ca49"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">ULONG&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html#a58f2c915dfc7041ccb0d568eb79b494e">NewP</a></td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Used by NdisTransferData() (when we call NdisTransferData, p index must be updated only in the TransferDataComplete. <a href="#a58f2c915dfc7041ccb0d568eb79b494e"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Kernel buffer of each CPU. </p>
<p>Structure containing the kernel buffer (and other CPU related fields) used to capture packets. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00207">207</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
<hr/><h2>Field Documentation</h2>
<a class="anchor" id="ac723ebbda9ff2ef8e4d773c7305db1f6"></a><!-- doxytag: member="__CPU_Private_Data::Accepted" ref="ac723ebbda9ff2ef8e4d773c7305db1f6" args="" -->
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<td class="memname">ULONG <a class="el" href="struct____CPU__Private__Data.html#ac723ebbda9ff2ef8e4d773c7305db1f6">Accepted</a></td>
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<p>Number of packet that current capture instance acepted, from its opening. A packet is accepted if it passes the filter and fits in the buffer. Accepted packets are the ones that reach the application. This number is related to the particular CPU this structure is referring to. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00213">213</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<a class="anchor" id="a7ed9f5e612c567cfa25af0f46a25dad4"></a><!-- doxytag: member="__CPU_Private_Data::Buffer" ref="a7ed9f5e612c567cfa25af0f46a25dad4" args="" -->
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<td class="memname">PUCHAR <a class="el" href="struct____CPU__Private__Data.html#a7ed9f5e612c567cfa25af0f46a25dad4">Buffer</a></td>
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<p>Pointer to the kernel buffer used to capture packets. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00212">212</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<a class="anchor" id="a59c9030d87b24c9cb4efdabe9c7b9337"></a><!-- doxytag: member="__CPU_Private_Data::BufferLock" ref="a59c9030d87b24c9cb4efdabe9c7b9337" args="" -->
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<td class="memname">NDIS_SPIN_LOCK <a class="el" href="struct____CPU__Private__Data.html#a59c9030d87b24c9cb4efdabe9c7b9337">BufferLock</a></td>
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<p>It protects the buffer associated with this CPU. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00225">225</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<a class="anchor" id="a2df61425b58c12f1de6f0e6aaeb131ea"></a><!-- doxytag: member="__CPU_Private_Data::C" ref="a2df61425b58c12f1de6f0e6aaeb131ea" args="" -->
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<td class="memname">ULONG <a class="el" href="struct____CPU__Private__Data.html#a2df61425b58c12f1de6f0e6aaeb131ea">C</a></td>
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<p>Zero-based index of the consumer in the buffer. It indicates the first free byte to be read. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00210">210</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<a class="anchor" id="a04eecb86252e644a73f38346274340dc"></a><!-- doxytag: member="__CPU_Private_Data::Dropped" ref="a04eecb86252e644a73f38346274340dc" args="" -->
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<td class="memname">ULONG <a class="el" href="struct____CPU__Private__Data.html#a04eecb86252e644a73f38346274340dc">Dropped</a></td>
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<p>Number of packet that current instance had to drop, from its opening. A packet is dropped if there is no more space to store it in the circular buffer that the driver associates to current instance. This number is related to the particular CPU this structure is referring to. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00221">221</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<a class="anchor" id="acaf5ef1e959170b06d01fc65a27bb951"></a><!-- doxytag: member="__CPU_Private_Data::Free" ref="acaf5ef1e959170b06d01fc65a27bb951" args="" -->
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<td class="memname">ULONG <a class="el" href="struct____CPU__Private__Data.html#acaf5ef1e959170b06d01fc65a27bb951">Free</a></td>
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<p>Number of the free bytes in the buffer. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00211">211</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<a class="anchor" id="a58f2c915dfc7041ccb0d568eb79b494e"></a><!-- doxytag: member="__CPU_Private_Data::NewP" ref="a58f2c915dfc7041ccb0d568eb79b494e" args="" -->
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<td class="memname">ULONG <a class="el" href="struct____CPU__Private__Data.html#a58f2c915dfc7041ccb0d568eb79b494e">NewP</a></td>
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<p>Used by NdisTransferData() (when we call NdisTransferData, p index must be updated only in the TransferDataComplete. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00228">228</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<a class="anchor" id="a897d2179904e0d6fafd73b3d400052de"></a><!-- doxytag: member="__CPU_Private_Data::P" ref="a897d2179904e0d6fafd73b3d400052de" args="" -->
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<td class="memname">ULONG <a class="el" href="struct____CPU__Private__Data.html#a897d2179904e0d6fafd73b3d400052de">P</a></td>
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<p>Zero-based index of the producer in the buffer. It indicates the first free byte to be written. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00209">209</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<a class="anchor" id="a82febc79f3f3bbf857a4fd34447b5ca2"></a><!-- doxytag: member="__CPU_Private_Data::Received" ref="a82febc79f3f3bbf857a4fd34447b5ca2" args="" -->
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<td class="memname">ULONG <a class="el" href="struct____CPU__Private__Data.html#a82febc79f3f3bbf857a4fd34447b5ca2">Received</a></td>
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<p>Number of packets received by current instance from its opening, i.e. number of packet received by the network adapter since the beginning of the capture/monitoring/dump session. This number is related to the particular CPU this structure is referring to. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00217">217</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<a class="anchor" id="acae03ade5065032ceaeef0bd03217b4f"></a><!-- doxytag: member="__CPU_Private_Data::TransferMdl1" ref="acae03ade5065032ceaeef0bd03217b4f" args="" -->
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<td class="memname">PMDL <a class="el" href="struct____CPU__Private__Data.html#acae03ade5065032ceaeef0bd03217b4f">TransferMdl1</a></td>
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<p>MDL used to map the portion of the buffer that will contain an incoming packet. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00226">226</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<td class="memname">PMDL <a class="el" href="struct____CPU__Private__Data.html#a17b59e156d00ef5c76bdfe454c73ca49">TransferMdl2</a></td>
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<p>Second MDL used to map the portion of the buffer that will contain an incoming packet. </p>
<p>Definition at line <a class="el" href="Packet_8h_source.html#l00227">227</a> of file <a class="el" href="Packet_8h_source.html">Packet.h</a>.</p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="Packet_8h_source.html">Packet.h</a></li>
</ul>
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<hr>
<p align="right"><img border="0" src="winpcap_small.gif" align="absbottom" width="91" height="27">
documentation. Copyright (c) 2002-2005 Politecnico di Torino. Copyright (c) 2005-2009
CACE Technologies. All rights reserved.</p>
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