/* The GGSN has confirmed the creation of a PDP Context */
static int create_pdp_conf(struct pdp_t *pdp, void *cbp, int cause)
{
struct sgsn_pdp_ctx *pctx = cbp;
uint8_t reject_cause;
int rc;
DEBUGP(DGPRS, "Received CREATE PDP CTX CONF, cause=%d(%s)\n",
cause, get_value_string(gtp_cause_strs, cause));
/* Check for cause value if it was really successful */
if (cause < 0) {
LOGP(DGPRS, LOGL_NOTICE, "Create PDP ctx req timed out\n");
if (pdp && pdp->version == 1) {
pdp->version = 0;
gtp_create_context_req(sgsn->gsn, pdp, cbp);
return 0;
} else {
reject_cause = GSM_CAUSE_NET_FAIL;
goto reject;
}
}
/* Check for cause value if it was really successful */
if (cause != GTPCAUSE_ACC_REQ) {
reject_cause = cause_map(gtp2sm_cause_map, cause,
GSM_CAUSE_ACT_REJ_GGSN);
goto reject;
}
/* Activate the SNDCP layer */
sndcp_sm_activate_ind(&pctx->mm->llme->lle[pctx->sapi], pctx->nsapi);
/* Send PDP CTX ACT to MS */
return gsm48_tx_gsm_act_pdp_acc(pctx);
reject:
pctx->state = PDP_STATE_NONE;
if (pdp)
pdp_freepdp(pdp);
/* Send PDP CTX ACT REJ to MS */
rc = gsm48_tx_gsm_act_pdp_rej(pctx->mm, pctx->ti, reject_cause,
0, NULL);
sgsn_pdp_ctx_free(pctx);
return EOF;
}
/* The GGSN has confirmed the creation of a PDP Context */
static int create_pdp_conf(struct pdp_t *pdp, void *cbp, int cause)
{
struct sgsn_signal_data sig_data;
struct sgsn_pdp_ctx *pctx = cbp;
uint8_t reject_cause;
LOGPDPCTXP(LOGL_INFO, pctx, "Received CREATE PDP CTX CONF, cause=%d(%s)\n",
cause, get_value_string(gtp_cause_strs, cause));
if (!pctx->mm) {
LOGP(DGPRS, LOGL_INFO,
"No MM context, aborting CREATE PDP CTX CONF\n");
return -EIO;
}
/* Check for cause value if it was really successful */
if (cause < 0) {
LOGP(DGPRS, LOGL_NOTICE, "Create PDP ctx req timed out\n");
if (pdp && pdp->version == 1) {
pdp->version = 0;
gtp_create_context_req(sgsn->gsn, pdp, cbp);
return 0;
} else {
reject_cause = GSM_CAUSE_NET_FAIL;
goto reject;
}
}
/* Check for cause value if it was really successful */
if (cause != GTPCAUSE_ACC_REQ) {
reject_cause = cause_map(gtp2sm_cause_map, cause,
GSM_CAUSE_ACT_REJ_GGSN);
goto reject;
}
/* Activate the SNDCP layer */
sndcp_sm_activate_ind(&pctx->mm->llme->lle[pctx->sapi], pctx->nsapi);
/* Inform others about it */
memset(&sig_data, 0, sizeof(sig_data));
sig_data.pdp = pctx;
osmo_signal_dispatch(SS_SGSN, S_SGSN_PDP_ACT, &sig_data);
/* Send PDP CTX ACT to MS */
return gsm48_tx_gsm_act_pdp_acc(pctx);
reject:
/*
* In case of a timeout pdp will be NULL but we have a valid pointer
* in pctx->lib. For other rejects pctx->lib and pdp might be the
* same.
*/
pctx->state = PDP_STATE_NONE;
if (pctx->lib && pctx->lib != pdp)
pdp_freepdp(pctx->lib);
pctx->lib = NULL;
if (pdp)
pdp_freepdp(pdp);
/* Send PDP CTX ACT REJ to MS */
gsm48_tx_gsm_act_pdp_rej(pctx->mm, pctx->ti, reject_cause,
0, NULL);
sgsn_pdp_ctx_free(pctx);
return EOF;
}
