static
int
s1ap_mme_compare_plmn (
S1ap_PLMNidentity_t * plmn)
{
int i;
uint16_t mcc;
uint16_t mnc;
uint16_t mnc_len;
DevAssert (plmn != NULL);
TBCD_TO_MCC_MNC (plmn, mcc, mnc, mnc_len);
config_read_lock (&mme_config);
for (i = 0; i < mme_config.gummei.nb_mme_gid; i++) {
S1AP_DEBUG ("Comparing plmn_mcc %d/%d, plmn_mnc %d/%d plmn_mnc_len %d/%d\n", mme_config.gummei.plmn_mcc[i], mcc, mme_config.gummei.plmn_mnc[i], mnc, mme_config.gummei.plmn_mnc_len[i], mnc_len);
if ((mme_config.gummei.plmn_mcc[i] == mcc) && (mme_config.gummei.plmn_mnc[i] == mnc) && (mme_config.gummei.plmn_mnc_len[i] == mnc_len))
/*
* There is a matching plmn
*/
return TA_LIST_AT_LEAST_ONE_MATCH;
}
config_unlock (&mme_config);
return TA_LIST_NO_MATCH;
}
/* @brief compare a TAC
*/
static
int
s1ap_mme_compare_tac (
S1ap_TAC_t * tac)
{
int i;
uint16_t tac_value;
DevAssert (tac != NULL);
OCTET_STRING_TO_TAC (tac, tac_value);
config_read_lock (&mme_config);
for (i = 0; i < mme_config.gummei.nb_plmns; i++) {
S1AP_DEBUG ("Comparing config tac %d, received tac = %d\n", mme_config.gummei.plmn_tac[i], tac_value);
if (mme_config.gummei.plmn_tac[i] == tac_value)
return TA_LIST_AT_LEAST_ONE_MATCH;
}
config_unlock (&mme_config);
return TA_LIST_NO_MATCH;
}
int s11_sgw_init(const mme_config_t *mme_config_p)
{
int ret = 0;
NwGtpv2cUlpEntityT ulp;
NwGtpv2cUdpEntityT udp;
NwGtpv2cTimerMgrEntityT tmrMgr;
NwGtpv2cLogMgrEntityT logMgr;
struct in_addr addr;
char *s11_address_str = NULL;
S11_DEBUG("Initializing S11 interface\n");
if (nwGtpv2cInitialize(&s11_sgw_stack_handle) != NW_OK) {
S11_ERROR("Failed to initialize gtpv2-c stack\n");
goto fail;
}
/* Set ULP entity */
ulp.hUlp = (NwGtpv2cUlpHandleT)NULL;
ulp.ulpReqCallback = s11_sgw_ulp_process_stack_req_cb;
DevAssert(NW_OK == nwGtpv2cSetUlpEntity(s11_sgw_stack_handle, &ulp));
/* Set UDP entity */
udp.hUdp = (NwGtpv2cUdpHandleT)NULL;
udp.udpDataReqCallback = s11_sgw_send_udp_msg;
DevAssert(NW_OK == nwGtpv2cSetUdpEntity(s11_sgw_stack_handle, &udp));
/* Set Timer entity */
tmrMgr.tmrMgrHandle = (NwGtpv2cTimerMgrHandleT)NULL;
tmrMgr.tmrStartCallback = s11_sgw_start_timer_wrapper;
tmrMgr.tmrStopCallback = s11_sgw_stop_timer_wrapper;
DevAssert(NW_OK == nwGtpv2cSetTimerMgrEntity(s11_sgw_stack_handle, &tmrMgr));
logMgr.logMgrHandle = 0;
logMgr.logReqCallback = s11_sgw_log_wrapper;
DevAssert(NW_OK == nwGtpv2cSetLogMgrEntity(s11_sgw_stack_handle, &logMgr));
if (itti_create_task(TASK_S11, &s11_sgw_thread, NULL) < 0) {
S11_ERROR("gtpv1u phtread_create: %s\n", strerror(errno));
goto fail;
}
DevAssert(NW_OK == nwGtpv2cSetLogLevel(s11_sgw_stack_handle,
NW_LOG_LEVEL_DEBG));
config_read_lock(&mme_config);
addr.s_addr = mme_config.ipv4.sgw_ip_address_for_S11;
config_unlock(&mme_config);
s11_address_str = inet_ntoa(addr);
DevAssert(s11_address_str != NULL);
s11_send_init_udp(s11_address_str, 2123);
S11_DEBUG("Initializing S11 interface: DONE\n");
return ret;
fail:
S11_DEBUG("Initializing S11 interface: FAILURE\n");
return -1;
}
