rohc

when to use extension

Asked by qingbaibai

hello,

I find that extension is decoded only in type 2 packet. Do type 0 and type 1 packets not use extension?
Thank you.

Regards,
qingbaibai

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Didier Barvaux
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Best Didier Barvaux (didier-barvaux) said : 		#1

Hello,

UO-0 packets cannot use extensions (no X bit in the different forms of base headers). For UO-1 packets, only UO-1-ID can use extensions. The ROHC library currently does not implement the X bit of the UO-1-ID packet. There is an opened bug to track this issue and the tasks that need to be performed to solve it: https://bugs.launchpad.net/rohc/+bug/896842

Regards,
Didier

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qingbaibai (sunqing-cztz) said : 		#2

Thanks Didier Barvaux, that solved my question.