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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>WinPcap: NPF structures and definitions</title><link href="style.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.1 --><div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><h1>NPF structures and definitions<br><small>[<a class="el" href="group__NPF.html">NPF driver internals manual</a>]</small></h1><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Data Structures</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structpacket__file__header.html">packet_file_header</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Header of a libpcap dump file. <a href="structpacket__file__header.html#_details">More...</a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structsf__pkthdr.html">sf_pkthdr</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Header associated to a packet in the driver's buffer when the driver is in dump mode. Similar to the bpf_hdr structure, but simpler. <a href="structsf__pkthdr.html#_details">More...</a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="struct__INTERNAL__REQUEST.html">_INTERNAL_REQUEST</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Stores an OID request. <a href="struct__INTERNAL__REQUEST.html#_details">More...</a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="struct__PACKET__RESERVED.html">_PACKET_RESERVED</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Contains a NDIS packet. <a href="struct__PACKET__RESERVED.html#_details">More...</a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="struct__DEVICE__EXTENSION.html">_DEVICE_EXTENSION</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Port device extension. <a href="struct__DEVICE__EXTENSION.html#_details">More...</a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="struct____CPU__Private__Data.html">__CPU_Private_Data</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Kernel buffer of each CPU. <a href="struct____CPU__Private__Data.html#_details">More...</a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="struct__OPEN__INSTANCE.html">_OPEN_INSTANCE</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Contains the state of a running instance of the NPF driver. <a href="struct__OPEN__INSTANCE.html#_details">More...</a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structPacketHeader.html">PacketHeader</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Structure prepended to each packet in the kernel buffer pool. <a href="structPacketHeader.html#_details">More...</a><br></td></tr><tr><td colspan="2"><br><h2>Defines</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g8fc96cee4177a369a99de7026ebeba81">MAX_REQUESTS</a> 32</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Maximum number of simultaneous IOCTL requests. <a href="#g8fc96cee4177a369a99de7026ebeba81"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g8463d2101446f74b83ed10006d772384">Packet_ALIGNMENT</a> sizeof(int)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Alignment macro. Defines the alignment size. <a href="#g8463d2101446f74b83ed10006d772384"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g6ad53095b69ed77878dc683754e3264a">Packet_WORDALIGN</a>(x) (((x)+(Packet_ALIGNMENT-1))&~(Packet_ALIGNMENT-1))</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">even multiple of Packet_ALIGNMENT. <a href="#g6ad53095b69ed77878dc683754e3264a"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g9cd2ca337001428aa9e1cb512a28ecc2">KERNEL_EVENT_NAMESPACE</a> L"\\BaseNamedObjects\\"</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g71817d3a52bf0ec819934a5f688a172c">BIOCSETBUFFERSIZE</a> 9592</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: set kernel buffer size. <a href="#g71817d3a52bf0ec819934a5f688a172c"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gf85f500f68404076ac60ffe6e08818da">BIOCSETF</a> 9030</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: set packet filtering program. <a href="#gf85f500f68404076ac60ffe6e08818da"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g8ae8be8faa281644d8be1cda38b826bd">BIOCGSTATS</a> 9031</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: get the capture stats. <a href="#g8ae8be8faa281644d8be1cda38b826bd"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g327015c2b2e347212b571d1fa3aa2f54">BIOCSRTIMEOUT</a> 7416</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: set the read timeout. <a href="#g327015c2b2e347212b571d1fa3aa2f54"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gd1012b82859d09864d246b1fa99d48d6">BIOCSMODE</a> 7412</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: set working mode. <a href="#gd1012b82859d09864d246b1fa99d48d6"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g1436997ce2947bbbe22b5400254438a1">BIOCSWRITEREP</a> 7413</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: set number of physical repetions of every packet written by the app. <a href="#g1436997ce2947bbbe22b5400254438a1"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#ga827e3441e3f84abc7df5e30fcee96d1">BIOCSMINTOCOPY</a> 7414</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: set minimum amount of data in the kernel buffer that unlocks a read call. <a href="#ga827e3441e3f84abc7df5e30fcee96d1"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gbf9a4779fd5281607510edc8b5d766dd">BIOCSETOID</a> 2147483648</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: set an OID value. <a href="#gbf9a4779fd5281607510edc8b5d766dd"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g5a0ab3231052ff323817e288dab2f127">BIOCQUERYOID</a> 2147483652</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: get an OID value. <a href="#g5a0ab3231052ff323817e288dab2f127"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gc8b51f8abae12f57a2ea8e8e4c0cd53c">BIOCSETDUMPFILENAME</a> 9029</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: set the name of a the file used by kernel dump mode. <a href="#gc8b51f8abae12f57a2ea8e8e4c0cd53c"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gdd9e03a96d297a33d7cee4d750c34eff">BIOCGEVNAME</a> 7415</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: get the name of the event that the driver signals when some data is present in the buffer. <a href="#gdd9e03a96d297a33d7cee4d750c34eff"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gc50830dc08762383dcb203a66e5c853d">BIOCSENDPACKETSNOSYNC</a> 9032</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: Send a buffer containing multiple packets to the network, ignoring the timestamps. <a href="#gc50830dc08762383dcb203a66e5c853d"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gb4d41e91e460bb101ef8ddb622a8e010">BIOCSENDPACKETSSYNC</a> 9033</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: Send a buffer containing multiple packets to the network, considering the timestamps. <a href="#gb4d41e91e460bb101ef8ddb622a8e010"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g3205efe3271948f253c4da5abf0e12c6">BIOCSETDUMPLIMITS</a> 9034</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: Set the dump file limits. <a href="#g3205efe3271948f253c4da5abf0e12c6"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g874d333aca88363bc6fdcb3e8b1af05b">BIOCISDUMPENDED</a> 7411</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: Get the status of the kernel dump process. <a href="#g874d333aca88363bc6fdcb3e8b1af05b"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#ge02ae71d6fe0bfb4b600f8027dc90ba3">BIOCISETLOBBEH</a> 7410</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">IOCTL code: set the loopback behavior. <a href="#ge02ae71d6fe0bfb4b600f8027dc90ba3"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g31c73f09a27bb38a6040a5841096576a">BIOCSETEVENTHANDLE</a> 7920</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">This IOCTL passes the read event HANDLE allocated by the user (packet.dll) to kernel level. <a href="#g31c73f09a27bb38a6040a5841096576a"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gc93c0a6ad1d2a3143b1115bdab3ac04d">MODE_CAPT</a> 0x0</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Capture working mode. <a href="#gc93c0a6ad1d2a3143b1115bdab3ac04d"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g503326906a62e96c147ae6af31fb5659">MODE_STAT</a> 0x1</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Statistical working mode. <a href="#g503326906a62e96c147ae6af31fb5659"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g528e7e542cb1a028a10a3a318880dffb">MODE_MON</a> 0x2</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Kernel monitoring mode. <a href="#g528e7e542cb1a028a10a3a318880dffb"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g89853f93dc8cc890b0665629d16d2831">MODE_DUMP</a> 0x10</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Kernel dump working mode. <a href="#g89853f93dc8cc890b0665629d16d2831"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g4f6749b7708a411df2a3341a3fcef917">IMMEDIATE</a> 1</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Immediate timeout. Forces a read call to return immediately. <a href="#g4f6749b7708a411df2a3341a3fcef917"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g0a110077bb4fcbcc75512d8988c90de8">NDIS_FLAGS_SKIP_LOOPBACK_W2K</a> 0x400</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">This is an undocumented flag for NdisSetPacketFlags() that allows to disable loopback reception. <a href="#g0a110077bb4fcbcc75512d8988c90de8"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gfedcc0aa0cf5abe7b20c68eefdfcb126">TCPDUMP_MAGIC</a> 0xa1b2c3d4</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Libpcap magic number. Used by programs like tcpdump to recognize a driver's generated dump file. <a href="#gfedcc0aa0cf5abe7b20c68eefdfcb126"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gac031371d41e21ff96e80409e05a7ddb">PCAP_VERSION_MAJOR</a> 2</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Major libpcap version of the dump file. Used by programs like tcpdump to recognize a driver's generated dump file. <a href="#gac031371d41e21ff96e80409e05a7ddb"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g9c200b070c9f626d38184588b16849c2">PCAP_VERSION_MINOR</a> 4</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Minor libpcap version of the dump file. Used by programs like tcpdump to recognize a driver's generated dump file. <a href="#g9c200b070c9f626d38184588b16849c2"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g7ccc8974741059b5ae25231a56dbed09">NPF_DISABLE_LOOPBACK</a> 1</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Tells the driver to drop the packets sent by itself. This is usefult when building applications like bridges. <a href="#g7ccc8974741059b5ae25231a56dbed09"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g4a60d1f215d5b2af2b3b86a0f2a90ae2">NPF_ENABLE_LOOPBACK</a> 2</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Tells the driver to capture the packets sent by itself. <a href="#g4a60d1f215d5b2af2b3b86a0f2a90ae2"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g048ba8dfabc6ac16c602a1ca6fe994fc">RESERVED</a>(_p) ((<a class="el" href="struct__PACKET__RESERVED.html">PPACKET_RESERVED</a>)((_p)->ProtocolReserved))</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Macro to obtain a NDIS_PACKET from a PACKET_RESERVED. <a href="#g048ba8dfabc6ac16c602a1ca6fe994fc"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g652e6173ee1441712652d74a5533e042">TRANSMIT_PACKETS</a> 256</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">of packets that can be transmitted at the same time or with a single call to NdisSendPackets. <a href="#g652e6173ee1441712652d74a5533e042"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gcabf25322566f3bcd1e564e4939f5821">EXIT_SUCCESS</a>(quantity)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Macro used in the I/O routines to return the control to user-mode with a success status. <a href="#gcabf25322566f3bcd1e564e4939f5821"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gd6d1f5522a147ddeb7d9b11916acd50a">EXIT_FAILURE</a>(quantity)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Macro used in the I/O routines to return the control to user-mode with a failure status. <a href="#gd6d1f5522a147ddeb7d9b11916acd50a"></a><br></td></tr><tr><td colspan="2"><br><h2>Typedefs</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="struct__INTERNAL__REQUEST.html">_INTERNAL_REQUEST</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g0bee4ca4dc129822e19478f88d991a31">INTERNAL_REQUEST</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Stores an OID request. <a href="#g0bee4ca4dc129822e19478f88d991a31"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="struct__INTERNAL__REQUEST.html">_INTERNAL_REQUEST</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g55591a7d14855359ed1e3995f7f025c3">PINTERNAL_REQUEST</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Stores an OID request. <a href="#g55591a7d14855359ed1e3995f7f025c3"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="struct__PACKET__RESERVED.html">_PACKET_RESERVED</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g2225b3cfa793593a1849aa0652846a5c">PACKET_RESERVED</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Contains a NDIS packet. <a href="#g2225b3cfa793593a1849aa0652846a5c"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="struct__PACKET__RESERVED.html">_PACKET_RESERVED</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g375d9973bbbe748c9722e8f546beb10c">PPACKET_RESERVED</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Contains a NDIS packet. <a href="#g375d9973bbbe748c9722e8f546beb10c"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="struct__DEVICE__EXTENSION.html">_DEVICE_EXTENSION</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g5091b7a273db5d38a71df5293eb52ccf">DEVICE_EXTENSION</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Port device extension. <a href="#g5091b7a273db5d38a71df5293eb52ccf"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="struct__DEVICE__EXTENSION.html">_DEVICE_EXTENSION</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gc8ad25578be589c8352fc4e1a8a99be3">PDEVICE_EXTENSION</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Port device extension. <a href="#gc8ad25578be589c8352fc4e1a8a99be3"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="struct____CPU__Private__Data.html">__CPU_Private_Data</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#g321d8c7f608d41e095ec3508cff10764">CpuPrivateData</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Kernel buffer of each CPU. <a href="#g321d8c7f608d41e095ec3508cff10764"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="struct__OPEN__INSTANCE.html">_OPEN_INSTANCE</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gfeddf3a08e141d369532061f3f8cd939">OPEN_INSTANCE</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Contains the state of a running instance of the NPF driver. <a href="#gfeddf3a08e141d369532061f3f8cd939"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef <a class="el" href="struct__OPEN__INSTANCE.html">_OPEN_INSTANCE</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gd3b7ff25cfe0e8fd50666782f85e76cb">POPEN_INSTANCE</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Contains the state of a running instance of the NPF driver. <a href="#gd3b7ff25cfe0e8fd50666782f85e76cb"></a><br></td></tr><tr><td colspan="2"><br><h2>Enumerations</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#ga80226df1c5ee18b01580d23ed4f31cb">ADAPTER_BINDING_STATUS</a> { <a class="el" href="group__NPF__include.html#gga80226df1c5ee18b01580d23ed4f31cb6e4cdf9f09abf447cffdfd5058357822">ADAPTER_UNBOUND</a>, <a class="el" href="group__NPF__include.html#gga80226df1c5ee18b01580d23ed4f31cb3e0c0f314d2e9dc41c205ab44bf087bc">ADAPTER_BOUND</a>, <a class="el" href="group__NPF__include.html#gga80226df1c5ee18b01580d23ed4f31cbdc92e852ef35fac0f033487a3be66a93">ADAPTER_UNBINDING</a> }</td></tr><tr><td colspan="2"><br><h2>Variables</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">ULONG </td><td class="memItemRight" valign="bottom"><a class="el" href="group__NPF__include.html#gc8b70ca3f1feebb1ba40c85e3f852eb7">NCpu</a></td></tr></table><hr><h2>Define Documentation</h2><a class="anchor" name="gdd9e03a96d297a33d7cee4d750c34eff"></a><!-- doxytag: member="Packet.h::BIOCGEVNAME" ref="gdd9e03a96d297a33d7cee4d750c34eff" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define BIOCGEVNAME 7415 </td> </tr> </table></div><div class="memdoc"><p>IOCTL code: get the name of the event that the driver signals when some data is present in the buffer. <p>Command used by the application to retrieve the name of the global event associated with a NPF instance. The event is signaled by the driver when the kernel buffer contains enough data for a transfer. <p>Definition at line <a class="el" href="Packet_8h-source.html#l00162">162</a> of file <a class="el" href="Packet_8h-source.html">Packet.h</a>.</div></div><p><a class="anchor" name="g8ae8be8faa281644d8be1cda38b826bd"></a><!-- doxytag: member="Packet.h::BIOCGSTATS" ref="g8ae8be8faa281644d8be1cda38b826bd" args="" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">#define BIOCGSTATS 9031 </td> </tr> </table></div><div class="memdoc">⌨️ 快捷键说明
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