diff options
| author | Harald Welte <laforge@gnumonks.org> | 2010-05-18 17:04:55 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2010-05-18 17:04:55 +0200 |
| commit | 6463c0799c007e0454a348a533753171f1b525d8 (patch) | |
| tree | 777ac703507ddfd5126955bd334130c4f91f0519 /openbsc/src/gprs/gprs_sgsn.c | |
| parent | 4e38ac7a8aee4d63276d81a4269f6d9124dc1a77 (diff) | |
[GPRS] SGSN: TMSI allocation
Diffstat (limited to 'openbsc/src/gprs/gprs_sgsn.c')
| -rw-r--r-- | openbsc/src/gprs/gprs_sgsn.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/openbsc/src/gprs/gprs_sgsn.c b/openbsc/src/gprs/gprs_sgsn.c index 2671796ab..af8f8965b 100644 --- a/openbsc/src/gprs/gprs_sgsn.c +++ b/openbsc/src/gprs/gprs_sgsn.c @@ -251,3 +251,18 @@ struct apn_ctx *apn_ctx_find_alloc(const char *name) return actx; } #endif + +uint32_t sgsn_alloc_ptmsi(void) +{ + struct sgsn_mm_ctx *mm; + uint32_t ptmsi; + +restart: + ptmsi = rand(); + llist_for_each_entry(mm, &sgsn_mm_ctxts, list) { + if (mm->p_tmsi == ptmsi) + goto restart; + } + + return ptmsi; +} |