tree ece62193d4c0e9cdf201eaae258ea011647c1f33
parent 35a568eee5013e56a9c8c7990f28759ce5188050
author Abtin Keshavarzian <abtink@google.com> 1648787262 -0700
committer GitHub <noreply@github.com> 1648787262 -0700
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[ip6] add header `ip6_types.hpp` for common types and constants (#7547)

This commit adds new header file `ip6_types.hpp` which include
common IPv6 related types (enumerations) and constants. It also
moves the `Ecn` constants and define them as an `enum`.