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<body><table border="1" cellspacing="0" cellpadding="8" class="bz_new_table">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - Suggestion: add documentation to fill in total_length etc. to UDP checksum offloading?"
href="https://bugs.dpdk.org/show_bug.cgi?id=1488">1488</a>
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<th>Summary</th>
<td>Suggestion: add documentation to fill in total_length etc. to UDP checksum offloading?
</td>
</tr>
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<th>Product</th>
<td>DPDK
</td>
</tr>
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<th>Version</th>
<td>24.07
</td>
</tr>
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<th>Hardware</th>
<td>x86
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>Normal
</td>
</tr>
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<th>Component</th>
<td>doc
</td>
</tr>
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<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>user202729@protonmail.com
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class="bz_comment_block">
<pre class="bz_comment_text">Currently, the documentation of RTE_MBUF_F_TX_UDP_CKSUM in
<a href="https://doc.dpdk.org/api/rte__mbuf__core_8h.html#ada511d6f30184b374ba2248c26af8ede">https://doc.dpdk.org/api/rte__mbuf__core_8h.html#ada511d6f30184b374ba2248c26af8ede</a>
is very sparse:
<span class="quote">> UDP cksum of TX pkt. computed by NIC. </span >
I think it should mention which fields should be set.
Some bug reports e.g. <a href="https://github.com/amzn/amzn-drivers/issues/176">https://github.com/amzn/amzn-drivers/issues/176</a>
<a href="https://github.com/amzn/amzn-drivers/issues/79">https://github.com/amzn/amzn-drivers/issues/79</a> states that you need to set
m3_len, total_length, dgram_cksum to the pseudo-header checksum etc. (not sure
about this).
What is the actual requirement of that flag, and how should the documentation
be edited?
</pre>
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</p>
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