2017-04-11 03:57:54 +00:00
|
|
|
#define TRACE_MODULE _esm_build
|
|
|
|
|
|
|
|
#include "core_debug.h"
|
2017-08-19 07:49:44 +00:00
|
|
|
#include "core_lib.h"
|
2017-04-11 03:57:54 +00:00
|
|
|
|
|
|
|
#include "nas_message.h"
|
|
|
|
|
|
|
|
#include "nas_security.h"
|
|
|
|
#include "esm_build.h"
|
|
|
|
|
2017-08-11 03:05:01 +00:00
|
|
|
status_t esm_build_pdn_connectivity_reject(
|
|
|
|
pkbuf_t **pkbuf, c_uint8_t pti, nas_esm_cause_t esm_cause)
|
|
|
|
{
|
|
|
|
nas_message_t message;
|
|
|
|
nas_pdn_connectivity_reject_t *pdn_connectivity_reject =
|
|
|
|
&message.esm.pdn_connectivity_reject;
|
|
|
|
|
|
|
|
memset(&message, 0, sizeof(message));
|
|
|
|
message.esm.h.eps_bearer_identity = 0;
|
|
|
|
message.esm.h.protocol_discriminator = NAS_PROTOCOL_DISCRIMINATOR_ESM;
|
|
|
|
message.esm.h.procedure_transaction_identity = pti;
|
|
|
|
message.esm.h.message_type = NAS_PDN_CONNECTIVITY_REJECT;
|
|
|
|
|
|
|
|
pdn_connectivity_reject->esm_cause = esm_cause;
|
|
|
|
|
|
|
|
d_assert(nas_plain_encode(pkbuf, &message) == CORE_OK && *pkbuf,,);
|
|
|
|
|
|
|
|
return CORE_OK;
|
|
|
|
}
|
|
|
|
|
2017-08-26 09:52:06 +00:00
|
|
|
status_t esm_build_information_request(pkbuf_t **pkbuf, mme_sess_t *sess)
|
2017-04-11 03:57:54 +00:00
|
|
|
{
|
|
|
|
nas_message_t message;
|
2017-04-28 07:11:45 +00:00
|
|
|
mme_ue_t *mme_ue = NULL;
|
2017-04-11 03:57:54 +00:00
|
|
|
|
2017-08-26 09:52:06 +00:00
|
|
|
d_assert(sess, return CORE_ERROR, "Null param");
|
|
|
|
mme_ue = sess->mme_ue;
|
2017-04-28 07:11:45 +00:00
|
|
|
d_assert(mme_ue, return CORE_ERROR, "Null param");
|
2017-04-11 03:57:54 +00:00
|
|
|
|
|
|
|
memset(&message, 0, sizeof(message));
|
|
|
|
message.h.security_header_type =
|
|
|
|
NAS_SECURITY_HEADER_INTEGRITY_PROTECTED_AND_CIPHERED;
|
|
|
|
message.h.protocol_discriminator = NAS_PROTOCOL_DISCRIMINATOR_EMM;
|
|
|
|
|
|
|
|
message.esm.h.protocol_discriminator = NAS_PROTOCOL_DISCRIMINATOR_ESM;
|
2017-08-26 09:52:06 +00:00
|
|
|
message.esm.h.procedure_transaction_identity = sess->pti;
|
2017-04-11 03:57:54 +00:00
|
|
|
message.esm.h.message_type = NAS_ESM_INFORMATION_REQUEST;
|
|
|
|
|
2017-04-28 07:11:45 +00:00
|
|
|
d_assert(nas_security_encode(pkbuf, mme_ue, &message) == CORE_OK &&
|
|
|
|
*pkbuf,,);
|
2017-04-11 03:57:54 +00:00
|
|
|
|
|
|
|
return CORE_OK;
|
|
|
|
}
|
|
|
|
|
2017-04-13 02:08:42 +00:00
|
|
|
status_t esm_build_activate_default_bearer_context(
|
2017-08-26 09:52:06 +00:00
|
|
|
pkbuf_t **pkbuf, mme_sess_t *sess)
|
2017-04-13 02:08:42 +00:00
|
|
|
{
|
|
|
|
nas_message_t message;
|
2017-04-13 03:21:47 +00:00
|
|
|
nas_activate_default_eps_bearer_context_request_t
|
|
|
|
*activate_default_eps_bearer_context_request =
|
|
|
|
&message.esm.activate_default_eps_bearer_context_request;
|
|
|
|
nas_eps_quality_of_service_t *eps_qos =
|
|
|
|
&activate_default_eps_bearer_context_request->eps_qos;
|
|
|
|
nas_access_point_name_t *access_point_name =
|
|
|
|
&activate_default_eps_bearer_context_request->access_point_name;
|
|
|
|
nas_pdn_address_t *pdn_address =
|
|
|
|
&activate_default_eps_bearer_context_request->pdn_address;
|
|
|
|
nas_apn_aggregate_maximum_bit_rate_t *apn_ambr =
|
|
|
|
&activate_default_eps_bearer_context_request->apn_ambr;
|
|
|
|
nas_protocol_configuration_options_t *protocol_configuration_options =
|
|
|
|
&activate_default_eps_bearer_context_request
|
|
|
|
->protocol_configuration_options;
|
|
|
|
|
2017-04-28 07:11:45 +00:00
|
|
|
mme_ue_t *mme_ue = NULL;
|
2017-09-01 13:21:12 +00:00
|
|
|
mme_bearer_t *bearer = NULL;
|
2017-04-13 03:21:47 +00:00
|
|
|
pdn_t *pdn = NULL;
|
2017-04-13 02:08:42 +00:00
|
|
|
|
2017-08-11 11:25:52 +00:00
|
|
|
d_assert(sess, return CORE_ERROR, "Null param");
|
|
|
|
mme_ue = sess->mme_ue;
|
2017-04-28 07:11:45 +00:00
|
|
|
d_assert(mme_ue, return CORE_ERROR, "Null param");
|
2017-08-11 11:25:52 +00:00
|
|
|
pdn = sess->pdn;
|
2017-04-13 03:21:47 +00:00
|
|
|
d_assert(pdn, return CORE_ERROR, "Null param");
|
2017-09-01 13:21:12 +00:00
|
|
|
bearer = mme_default_bearer_in_sess(sess);
|
|
|
|
d_assert(bearer, return CORE_ERROR, "Null param");
|
2017-04-13 02:08:42 +00:00
|
|
|
|
|
|
|
memset(&message, 0, sizeof(message));
|
2017-09-01 13:21:12 +00:00
|
|
|
message.esm.h.eps_bearer_identity = bearer->ebi;
|
2017-04-13 02:08:42 +00:00
|
|
|
message.esm.h.protocol_discriminator = NAS_PROTOCOL_DISCRIMINATOR_ESM;
|
2017-08-26 09:52:06 +00:00
|
|
|
message.esm.h.procedure_transaction_identity = sess->pti;
|
2017-04-13 03:21:47 +00:00
|
|
|
message.esm.h.message_type =
|
|
|
|
NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST;
|
|
|
|
|
2017-08-20 10:04:23 +00:00
|
|
|
#if 0 /* default bearer is not needed */
|
2017-04-13 03:21:47 +00:00
|
|
|
eps_qos->length = 5;
|
2017-08-11 08:16:35 +00:00
|
|
|
eps_qos->qci = pdn->qos.qci;
|
2017-04-13 03:21:47 +00:00
|
|
|
eps_qos->ul_mbr = 0xff;
|
|
|
|
eps_qos->dl_mbr = 0xff;
|
|
|
|
eps_qos->ul_gbr = 0xff;
|
|
|
|
eps_qos->dl_gbr = 0xff;
|
2017-08-20 10:04:23 +00:00
|
|
|
#else
|
|
|
|
eps_qos->length = 1;
|
|
|
|
eps_qos->qci = pdn->qos.qci;
|
|
|
|
#endif
|
2017-04-13 03:21:47 +00:00
|
|
|
|
|
|
|
access_point_name->length = strlen(pdn->apn);
|
2017-08-19 07:49:44 +00:00
|
|
|
core_cpystrn(access_point_name->apn, pdn->apn,
|
|
|
|
c_min(access_point_name->length, MAX_APN_LEN) + 1);
|
2017-04-13 03:21:47 +00:00
|
|
|
|
|
|
|
pdn_address->length = PAA_IPV4_LEN;
|
|
|
|
memcpy(&pdn_address->paa, &pdn->paa, pdn_address->length);
|
|
|
|
|
2017-08-22 05:07:37 +00:00
|
|
|
if (pdn->ambr.downlink || pdn->ambr.uplink)
|
2017-08-20 10:04:23 +00:00
|
|
|
{
|
|
|
|
activate_default_eps_bearer_context_request->presencemask |=
|
|
|
|
NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_APN_AMBR_PRESENT;
|
2017-08-22 05:07:37 +00:00
|
|
|
apn_ambr_build(apn_ambr, pdn->ambr.downlink, pdn->ambr.uplink);
|
2017-08-20 10:04:23 +00:00
|
|
|
}
|
2017-04-13 03:21:47 +00:00
|
|
|
|
2017-08-26 09:52:06 +00:00
|
|
|
if (sess->pgw_pco_len)
|
2017-04-13 03:21:47 +00:00
|
|
|
{
|
|
|
|
activate_default_eps_bearer_context_request->presencemask |=
|
|
|
|
NAS_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT;
|
2017-08-26 09:52:06 +00:00
|
|
|
protocol_configuration_options->length = sess->pgw_pco_len;
|
2017-04-13 03:21:47 +00:00
|
|
|
memcpy(protocol_configuration_options->buffer,
|
2017-08-26 09:52:06 +00:00
|
|
|
sess->pgw_pco, protocol_configuration_options->length);
|
2017-04-13 03:21:47 +00:00
|
|
|
}
|
2017-04-13 02:08:42 +00:00
|
|
|
|
|
|
|
d_assert(nas_plain_encode(pkbuf, &message) == CORE_OK && *pkbuf,,);
|
|
|
|
|
|
|
|
return CORE_OK;
|
|
|
|
}
|