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Bug #328

closed

EWMA incompatible in v4.11(-rc*)

Added by Sven Eckelmann over 7 years ago. Updated over 7 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Simon Wunderlich
Target version:
2017.0.1
Start date:
03/04/2017
Due date:
% Done:

0%

Estimated time:

Description

Johannes Berg introduced an API change in net.git. This is rather unexpected because such changes are usually only accepted before the Linus' merge window and only in net-next.git

This change results in a BUILD_BUG because the the batman-adv "precision" is still 1024 (which is a lot larger than the supporter maximum of 30).

The change has to be imported into maint and compat code has to be written that always replaces DECLARE_EWMA with a batman-adv specific version. A similar change has to be introduced in openwrt-routing to avoid problems when the wifi driver (and its compat DECLARE_EWMA code) is changed/upgraded.

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