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[SGSN] Deactivate all PDP contexts on GPRS DETACH

This commit is contained in:
Harald Welte 2010-06-28 19:11:41 +02:00
parent 376d5e521e
commit c0d59504b4
1 changed files with 10 additions and 0 deletions
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10
openbsc/src/gprs/gprs_gmm.c
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@ -629,6 +629,7 @@ err_inval:
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;
detach_type = gh->data[0] & 0x7;
@ -643,6 +644,15 @@ static int gsm48_rx_gmm_det_req(struct sgsn_mm_ctx *ctx, struct msgb *msg)
/* Mark MM state as deregistered */
ctx->mm_state = GMM_DEREGISTERED;
/* delete all existing PDP contexts for this MS */
llist_for_each_entry_safe(pdp, pdp2, &ctx->pdp_list, list) {
LOGP(DMM, LOGL_NOTICE, "Dropping PDP context for NSAPI=%u "
"due to GPRS DETACH REQUEST\n", pdp->nsapi);
sgsn_delete_pdp_ctx(pdp);
/* FIXME: the callback wants to transmit a DEACT PDP CTX ACK,
* which is quite stupid for a MS that has just detached.. */
}
/* force_stby = 0 */
return gsm48_tx_gmm_det_ack(ctx, 0);
}