diff options
author | Jacob Erlbeck <jerlbeck@sysmocom.de> | 2016-01-04 18:43:38 +0100 |
---|---|---|
committer | Holger Hans Peter Freyther <holger@moiji-mobile.com> | 2016-02-22 10:52:08 +0100 |
commit | 5ac4aadd1a9613db6592bf8a82ddbbf273ab2c3e (patch) | |
tree | 89d8b4ed80d388699127038588a0c45780b25978 /openbsc/include | |
parent | 1330478aa508ddaf2b0045d7b3acd97665712aac (diff) |
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
Diffstat (limited to 'openbsc/include')
-rw-r--r-- | openbsc/include/openbsc/gprs_sgsn.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/gprs_sgsn.h b/openbsc/include/openbsc/gprs_sgsn.h index 61120b1e3..74f073597 100644 --- a/openbsc/include/openbsc/gprs_sgsn.h +++ b/openbsc/include/openbsc/gprs_sgsn.h @@ -178,6 +178,10 @@ struct sgsn_mm_ctx *sgsn_mm_ctx_by_tlli(uint32_t tlli, struct sgsn_mm_ctx *sgsn_mm_ctx_by_ptmsi(uint32_t tmsi); struct sgsn_mm_ctx *sgsn_mm_ctx_by_imsi(const char *imsi); +/* look-up by matching TLLI and P-TMSI (think twice before using this) */ +struct sgsn_mm_ctx *sgsn_mm_ctx_by_tlli_and_ptmsi(uint32_t tlli, + const struct gprs_ra_id *raid); + /* Allocate a new SGSN MM context */ struct sgsn_mm_ctx *sgsn_mm_ctx_alloc(uint32_t tlli, const struct gprs_ra_id *raid); |