tree 00dbf95af936c1fc59196580d047265e1b0c1085
parent afcf23001e600bedc51db08a22846dada9bc06b3
author Jacob Erlbeck <jerlbeck@sysmocom.de> 1420476677 +0100
committer Holger Hans Peter Freyther <holger@moiji-mobile.com> 1421601289 +0100

sgsn: Pass subscriber error causes to the GMM layer

This patch extends gsm0408_gprs_access_denied and
gsm0408_gprs_access_cancelled to accept GMM cause codes. These are
then passed to the MS, unless gsm0408_gprs_access_cancelled is called
with cause 0 (no error -> updateProcedure).

Since gsm0408_gprs_access_denied uses GMM_CAUSE_GPRS_NOTALLOWED if
the cause is not set, and the subscriber's error_cause is never set
(and thus always 0), the SGSN's behaviour does not change with this
patch.

Sponsored-by: On-Waves ehf

Conflicts:
	openbsc/include/openbsc/gprs_sgsn.h

[hfreyther: Conflict due the removal of the unused
authenticate flag]