diff options
Diffstat (limited to 'openbsc/src/gprs/gprs_gmm.c')
| -rw-r--r-- | openbsc/src/gprs/gprs_gmm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index 3c450d15a..73f62d387 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -945,6 +945,10 @@ static int gsm48_rx_gmm_ra_upd_req(struct sgsn_mm_ctx *mmctx, struct msgb *msg, /* Look-up the MM context based on old RA-ID and TLLI */ mmctx = sgsn_mm_ctx_by_tlli(msgb_tlli(msg), &old_ra_id); if (!mmctx || mmctx->mm_state == GMM_DEREGISTERED) { + /* send a XID reset to re-set all LLC sequence numbers + * in the MS */ + DEBUGPC(DMM, " LLC XID RESET "); + gprs_llgmm_reset(llme); /* The MS has to perform GPRS attach */ DEBUGPC(DMM, " REJECT\n"); /* Device is still IMSI atached for CS but initiate GPRS ATTACH */ @@ -1015,6 +1019,7 @@ static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg, gh->msg_type != GSM48_MT_GMM_ATTACH_REQ && gh->msg_type != GSM48_MT_GMM_RA_UPD_REQ) { LOGP(DMM, LOGL_NOTICE, "Cannot handle GMM for unknown MM CTX\n"); + gprs_llgmm_reset(llme); return gsm48_tx_gmm_status_oldmsg(msg, GMM_CAUSE_MS_ID_NOT_DERIVED); } |