tree 89d8b4ed80d388699127038588a0c45780b25978
parent 1330478aa508ddaf2b0045d7b3acd97665712aac
author Jacob Erlbeck <jerlbeck@sysmocom.de> 1451929418 +0100
committer Holger Hans Peter Freyther <holger@moiji-mobile.com> 1456134728 +0100

sgsn: Re-add searching for MM ctx based on TLLI / P-TMSI matches

If an MM context cannot be found based on BBSGP info and a RA UPDATE
REQUEST is received, try to find an MM context with an P-TMSI from
which the TLLI could have been derived. This also checks, whether the
routing area matches.

This is similar to the old behaviour removed by the commits
"sgsn: Only look at TLLIs in sgsn_mm_ctx_by_tlli" and
"sgsn: Remove tlli_foreign2local", except that this will only
be done for RA UPDATE REQUESTs now.

Sponsored-by: On-Waves ehf