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8a5e9328ca
Add newlines to OS Upgrade questions. Move PCNet interrupt #defines. Improve E1000 PCI device loading. Add comments in E1000 driver to sketch out dev process.
65 lines
5.3 KiB
HTML
Executable file
65 lines
5.3 KiB
HTML
Executable file
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<pre style="font-family:monospace;font-size:12pt">
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<a name="l1"></a><span class=cF2>//Generic Networking definitions</span><span class=cF0>
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<a name="l2"></a>
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<a name="l3"></a>#</span><span class=cF1>define</span><span class=cF0> ETHERNET_MIN_FRAME_SIZE </span><span class=cFE>46</span><span class=cF0>
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<a name="l4"></a>#</span><span class=cF1>define</span><span class=cF0> ETHERNET_MAC_HEADER_LENGTH </span><span class=cFE>14</span><span class=cF0>
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<a name="l5"></a>#</span><span class=cF1>define</span><span class=cF0> ETHERNET_ETHERTYPE_OFFSET </span><span class=cFE>12</span><span class=cF0>
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<a name="l6"></a>#</span><span class=cF1>define</span><span class=cF0> ETHERNET_DATA_OFFSET </span><span class=cFE>14</span><span class=cF0>
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<a name="l7"></a>#</span><span class=cF1>define</span><span class=cF0> MAC_ADDRESS_LENGTH </span><span class=cFE>6</span><span class=cF0>
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<a name="l8"></a>
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<a name="l9"></a></span><span class=cF2>/*</span><span class=cF0> </span><span class=cF2>Ethernet Frame Size.</span><span class=cF0>
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<a name="l10"></a> </span><span class=cF2>Linux uses 1544, OSDev and Shrine use 1548. Based on IEEE 802.3as, max frame size was agreed upon as 2000 bytes. */</span><span class=cF0>
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<a name="l11"></a>#</span><span class=cF1>define</span><span class=cF0> ETHERNET_FRAME_SIZE </span><span class=cFE>2000</span><span class=cF0>
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<a name="l12"></a>
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<a name="l13"></a>#</span><span class=cF1>define</span><span class=cF0> HTYPE_ETHERNET </span><span class=cFE>1</span><span class=cF0>
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<a name="l14"></a>#</span><span class=cF1>define</span><span class=cF0> HLEN_ETHERNET </span><span class=cFE>6</span><span class=cF0>
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<a name="l15"></a>#</span><span class=cF1>define</span><span class=cF0> PLEN_IPV4 </span><span class=cFE>4</span><span class=cF0>
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<a name="l16"></a>
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<a name="l17"></a>#</span><span class=cF1>define</span><span class=cF0> ETHERTYPE_IPV4 </span><span class=cFE>0x0800</span><span class=cF0>
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<a name="l18"></a>#</span><span class=cF1>define</span><span class=cF0> ETHERTYPE_ARP </span><span class=cFE>0x0806</span><span class=cF0>
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<a name="l19"></a>#</span><span class=cF1>define</span><span class=cF0> ETHERTYPE_IPV6 </span><span class=cFE>0x86DD</span><span class=cF0>
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<a name="l20"></a>
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<a name="l21"></a>#</span><span class=cF1>define</span><span class=cF0> IP_ADDRESS_LENGTH </span><span class=cFE>4</span><span class=cF0>
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<a name="l22"></a>
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<a name="l23"></a></span><span class=cF2>/*</span><span class=cF0> </span><span class=cF2>PCNet reroutes PCI interrupts to software. See </span><span class=cF4><u>PCNet</u></span><span class=cF2>.</span><span class=cF0>
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<a name="l24"></a> </span><span class=cF2>Net Handler interrupt is generated whenever an entry is</span><span class=cF0>
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<a name="l25"></a> </span><span class=cF2>pushed to the NetQueue. See </span><span class=cF4><u>NetHandler</u></span><span class=cF2>.</span><span class=cF0>
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<a name="l26"></a>
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<a name="l27"></a> </span><span class=cF2>TODO: Make a function to auto-allocate these;</span><span class=cF0>
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<a name="l28"></a> </span><span class=cF2> See note above </span><a href="https://tomawezome.github.io/ZealOS/Kernel/KernelA.HH.html#l342"><span class=cF4>I_USER</span></a><span class=cF2>. */</span><span class=cF0>
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<a name="l29"></a>
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<a name="l30"></a>#</span><span class=cF1>define</span><span class=cF0> I_PCNET0 </span><span class=cF3>I_USER</span><span class=cF0> + </span><span class=cFE>0</span><span class=cF0>
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<a name="l31"></a>#</span><span class=cF1>define</span><span class=cF0> I_PCNET1 </span><span class=cF3>I_USER</span><span class=cF0> + </span><span class=cFE>1</span><span class=cF0>
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<a name="l32"></a>#</span><span class=cF1>define</span><span class=cF0> I_PCNET2 </span><span class=cF3>I_USER</span><span class=cF0> + </span><span class=cFE>2</span><span class=cF0>
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<a name="l33"></a>#</span><span class=cF1>define</span><span class=cF0> I_PCNET3 </span><span class=cF3>I_USER</span><span class=cF0> + </span><span class=cFE>3</span><span class=cF0>
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<a name="l34"></a>#</span><span class=cF1>define</span><span class=cF0> I_NETHANDLER </span><span class=cF3>I_USER</span><span class=cF0> + </span><span class=cFE>4</span><span class=cF0>
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<a name="l35"></a>
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<a name="l36"></a>#</span><span class=cF1>define</span><span class=cF0> INT_DEST_CPU </span><span class=cFE>0</span><span class=cF0>
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</span></pre></body>
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