diff options
author | Harald Welte <laforge@gnumonks.org> | 2010-06-28 22:18:53 +0200 |
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committer | Harald Welte <laforge@gnumonks.org> | 2010-06-28 22:18:53 +0200 |
commit | bd5c91276bdca0fc23fd0924b6d3382f40b33d06 (patch) | |
tree | 5f203af0825e56692dadd8ff6067c23152c10adb /openbsc/src | |
parent | f7fef48e1bb0fafb1a9ef4e63eee3602c9db3826 (diff) |
[SGSN] MM: Properly communicate TLLI changes / unassignment to LLC
Diffstat (limited to 'openbsc/src')
-rw-r--r-- | openbsc/src/gprs/gprs_gmm.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index 63583eccb..bd5a7fa44 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -631,6 +631,7 @@ static int gsm48_rx_gmm_det_req(struct sgsn_mm_ctx *ctx, struct msgb *msg) struct gsm48_hdr *gh = (struct gsm48_hdr *) msgb_gmmh(msg); struct sgsn_pdp_ctx *pdp, *pdp2; uint8_t detach_type, power_off; + int rc; detach_type = gh->data[0] & 0x7; power_off = gh->data[0] & 0x8; @@ -654,7 +655,12 @@ static int gsm48_rx_gmm_det_req(struct sgsn_mm_ctx *ctx, struct msgb *msg) } /* force_stby = 0 */ - return gsm48_tx_gmm_det_ack(ctx, 0); + rc = gsm48_tx_gmm_det_ack(ctx, 0); + + /* TLLI unassignment */ + gprs_llgmm_assign(ctx->llme, ctx->tlli, 0xffffffff, 0, NULL); + + return rc; } /* Chapter 9.4.15: Routing area update accept */ @@ -877,7 +883,7 @@ static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg, mmctx->p_tmsi_old = 0; /* Unassign the old TLLI */ mmctx->tlli = mmctx->tlli_new; - //gprs_llgmm_assign(mmctx->llme, 0xffffffff, mmctx->tlli_new, 0, NULL); + gprs_llgmm_assign(mmctx->llme, 0xffffffff, mmctx->tlli_new, 0, NULL); break; case GSM48_MT_GMM_RA_UPD_COMPL: /* only in case SGSN offered new P-TMSI */ @@ -886,7 +892,7 @@ static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg, mmctx->p_tmsi_old = 0; /* Unassign the old TLLI */ mmctx->tlli = mmctx->tlli_new; - //gprs_llgmm_assign(mmctx->llme, 0xffffffff, mmctx->tlli_new, 0, NULL); + gprs_llgmm_assign(mmctx->llme, 0xffffffff, mmctx->tlli_new, 0, NULL); break; case GSM48_MT_GMM_PTMSI_REALL_COMPL: DEBUGP(DMM, "-> PTMSI REALLLICATION COMPLETE\n"); |