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Feature #13564

open

want IPv6 checksum support for simnet

Added by Ryan Zezeski 10 months ago.

Status:
New
Priority:
Normal
Assignee:
Category:
networking
Start date:
Due date:
% Done:

0%

Estimated time:
Difficulty:
Medium
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Gerrit CR:

Description

It would help with testing if simnet could present the full IPv6 hardware checksum capab: HCKSUM_INET_FULL_V6.

This would provide useful in testing things like mac-loopback IPv6 checksum emulation. Currently today only a few drivers actually export this capab. If we added this to simnet we should be able to exercise/verify this mac-loopback emulation via usr/src/test/net-tests, much like we do for IPv4 today, without the requirement of actual hardware. This is relevant as Robert has been in the process of getting IPv6 checksum/TSO wired up in more places

Feature #13449: cxgbe IPv6 checksum and LSO support
Feature #13534: Document IPv6 LSO in mac(9E)
Feature #13554: vnics should advertise IPv6 checksums

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