diff options
Diffstat (limited to 'openbsc/src/gprs/gprs_gmm.c')
| -rw-r--r-- | openbsc/src/gprs/gprs_gmm.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index 32fb8e49d..5a6aa5b25 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -50,6 +50,7 @@ #include <openbsc/gprs_llc.h> #include <openbsc/gprs_sgsn.h> #include <openbsc/gprs_gmm.h> +#include <openbsc/gprs_utils.h> #include <openbsc/sgsn.h> #include <pdp.h> @@ -338,8 +339,12 @@ static int gsm48_tx_gmm_att_ack(struct sgsn_mm_ctx *mm) ptsig[1] = mm->p_tmsi_sig >> 8; ptsig[2] = mm->p_tmsi_sig & 0xff; - /* Optional: Negotiated Ready timer value */ #endif + /* Optional: Negotiated Ready timer value + * (fixed 44s, default value, GSM 04.08, table 11.4a) to safely limit + * the inactivity time READY->STANDBY. + */ + msgb_tv_put(msg, GSM48_IE_GMM_TIMER_READY, gprs_secs_to_tmr_floor(44)); #ifdef PTMSI_ALLOC /* Optional: Allocated P-TMSI */ @@ -992,6 +997,9 @@ static int gsm48_tx_gmm_ra_upd_ack(struct sgsn_mm_ctx *mm) mid[0] = GSM48_IE_GMM_ALLOC_PTMSI; #endif + /* Optional: Negotiated READY timer value */ + msgb_tv_put(msg, GSM48_IE_GMM_TIMER_READY, gprs_secs_to_tmr_floor(44)); + /* Option: MS ID, ... */ return gsm48_gmm_sendmsg(msg, 0, mm); } |