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  1. <html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Kernel Functions</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><meta name="keywords" content="Intellon, Atheros, Qualcomm, HomePlug, powerline, communications, INT6000, INT6300, INT6400, AR7400, AR7420"><link rel="home" href="index.html" title="Qualcomm Atheros Open Powerline Toolkit"><link rel="up" href="ch08.html" title="Chapter 8.  Serial Drivers"><link rel="prev" href="ch08s09.html" title="Support Functions"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">
    2. 

  2. 				Kernel Functions
    3. 

  3. 				</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch08s09.html">Prev</a> </td><th width="60%" align="center">Chapter 8. 
    4. 

  4. 		Serial Drivers
    5. 

  5. 		</th><td width="20%" align="right"> </td></tr></table><hr></div><div class="section" title="Kernel Functions"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="qcaspi"></a>
    6. 

  6. 				Kernel Functions
    7. 

  7. 				</h2></div></div></div><div class="section" title="qcaspi_netdev_xmit"><div class="titlepage"><div><div><h3 class="title"><a name="qcaspi_netdev_xmit"></a>
    8. 

  8. 				qcaspi_netdev_xmit
    9. 

  9. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">qcaspi_netdev_xmit</b>(</code></td><td><var class="pdparam">skb</var>, </td><td> </td></tr><tr><td> </td><td><var class="pdparam">device</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>struct sk_buff * <var class="pdparam">skb</var></code>;<br><code>struct net_device * <var class="pdparam">device</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    10. 

  10. 				Called by the Linux kernel append outgoing frames to the transmit queue.
    11. 

  11. 				</p></div><div class="section" title="qcaspi_netdev_tx_timeout"><div class="titlepage"><div><div><h3 class="title"><a name="qcaspi_netdev_tx_timeout"></a>
    12. 

  12. 				qcaspi_netdev_tx_timeout
    13. 

  13. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">void <b class="fsfunc">qcaspi_netdev_tx_timeout</b>(</code></td><td><var class="pdparam">device</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>struct net_device * <var class="pdparam">device</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    14. 

  14. 				Called by the Linux kernel after the transmit queue has been stopped for an extended period of time.
    15. 

  15. 				</p></div><div class="section" title="qcaspi_netdev_uninit"><div class="titlepage"><div><div><h3 class="title"><a name="qcaspi_netdev_uninit"></a>
    16. 

  16. 				qcaspi_netdev_uninit
    17. 

  17. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">static void <b class="fsfunc">qcaspi_netdev_uninit</b>(</code></td><td><var class="pdparam">device</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>struct net_device * <var class="pdparam">device</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    18. 

  18. 				Called when function <code class="function">unregister_netdev</code> is called. For the QCA7000 driver, function <code class="function">qcaspi_mod_exit</code> calls function <code class="function">unregister_netdev</code>.
    19. 

  19. 				</p></div><div class="section" title="qcaspi_netdev_get_stats"><div class="titlepage"><div><div><h3 class="title"><a name="qcaspi_netdev_get_stats"></a>
    20. 

  20. 				qcaspi_netdev_get_stats
    21. 

  21. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">struct net_device_stats * <b class="fsfunc">qcaspi_netdev_get_stats</b>(</code></td><td><var class="pdparam">device</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>struct net_device * <var class="pdparam">device</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    22. 

  22. 				Returns transmit, receive and error statistics associated with the net device. These are the statistics displayed by <span class="application">ifconfig</span>.
    23. 

  23. 				</p></div><div class="section" title="qcaspi_netdev_change_mtu"><div class="titlepage"><div><div><h3 class="title"><a name="qcaspi_netdev_change_mtu"></a>
    24. 

  24. 				qcaspi_netdev_change_mtu
    25. 

  25. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">qcaspi_netdev_change_mtu</b>(</code></td><td><var class="pdparam">device</var>, </td><td> </td></tr><tr><td> </td><td><var class="pdparam">new_mtu</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>struct net_device * <var class="pdparam">device</var></code>;<br><code>int <var class="pdparam">new_mtu</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    26. 

  26. 				Changes the serial interface MTU size.
    27. 

  27. 				</p></div><div class="section" title="qcaspi_netdev_set_mac_address"><div class="titlepage"><div><div><h3 class="title"><a name="qcaspi_netdev_set_mac_address"></a>
    28. 

  28. 				qcaspi_netdev_set_mac_address
    29. 

  29. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">static int <b class="fsfunc">qcaspi_netdev_set_mac_address</b>(</code></td><td><var class="pdparam">device</var>, </td><td> </td></tr><tr><td> </td><td><var class="pdparam">memory</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>struct net_device * <var class="pdparam">device</var></code>;<br><code>void * <var class="pdparam">memory</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    30. 

  30. 				Sets the serial interface MAC address. Called by <span class="application">ifconfig</span> whenever user types <span class="command"><strong>ifconfig qca0 hw ether xx:xx:xx:xx:xx:xx</strong></span>.
    31. 

  31. 				</p></div><div class="section" title="qcaspi_netdev_close"><div class="titlepage"><div><div><h3 class="title"><a name="qcaspi_netdev_close"></a>
    32. 

  32. 				qcaspi_netdev_close
    33. 

  33. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">qcaspi_netdev_close</b>(</code></td><td><var class="pdparam">device</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>struct net_device * <var class="pdparam">device</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    34. 

  34. 				Called by <span class="application">ifconfig</span> to disable the network interface.
    35. 

  35. 				</p></div><div class="section" title="qcaspi_mod_exit"><div class="titlepage"><div><div><h3 class="title"><a name="qcaspi_mod_exit"></a>
    36. 

  36. 				qcaspi_mod_exit
    37. 

  37. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">static void <b class="fsfunc">qcaspi_mod_exit</b>(</code></td><td><var class="pdparam">void</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code><var class="pdparam">void</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    38. 

  38. 				Called by the kernel to shutdown the driver module.
    39. 

  39. 				</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch08s09.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch08.html">Up</a></td><td width="40%" align="right"> </td></tr><tr><td width="40%" align="left" valign="top">
    40. 

  40. 				Support Functions
    41. 

  41. 				 </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> </td></tr></table></div></body></html>
    42.