+/******************************************************************************
+*
+* Copyright (c) 2021 Intel.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+*******************************************************************************/
+#include "nr5g_fapi_std.h"
+#include "nr5g_fapi_framework.h"
+#include "nr5g_fapi_urllc_thread.h"
+#include "nr5g_fapi_phy2mac_thread.h"
+#include "nr5g_fapi_mac2phy_thread.h"
+#include "nr5g_fapi_fapi2mac_api.h"
+#include "nr5g_fapi_fapi2phy_api.h"
+
+static nr5g_fapi_urllc_msg_dir_t urllc_msg_dir = NR5G_FAPI_URLLC_MSG_DIR_LAST;
+static void *p_urllc_list_elem = NULL;
+static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+
+void nr5g_fapi_urllc_thread_callback(
+ nr5g_fapi_urllc_msg_dir_t msg_dir,
+ void *p_list_elem)
+{
+ p_nr5g_fapi_phy_ctx_t p_phy_ctx = nr5g_fapi_get_nr5g_fapi_phy_ctx();
+ sem_wait(&p_phy_ctx->urllc_sem_done);
+ pthread_mutex_lock(&lock);
+ p_urllc_list_elem = p_list_elem;
+ urllc_msg_dir = msg_dir;
+ pthread_mutex_unlock(&lock);
+ sem_post(&p_phy_ctx->urllc_sem_process);
+}
+
+void *nr5g_fapi_urllc_thread_func(
+ void *config)
+{
+ cpu_set_t cpuset;
+ pthread_t thread;
+ p_nr5g_fapi_phy_ctx_t p_phy_ctx = (p_nr5g_fapi_phy_ctx_t) config;
+ uint64_t start_tick;
+
+ NR5G_FAPI_LOG(INFO_LOG, ("[URLLC] Thread %s launched LWP:%ld on "
+ "Core: %d\n", __func__, pthread_self(),
+ p_phy_ctx->urllc_worker_core_id));
+
+ thread = p_phy_ctx->urllc_tid = pthread_self();
+
+ CPU_ZERO(&cpuset);
+ CPU_SET(p_phy_ctx->urllc_worker_core_id, &cpuset);
+ pthread_setaffinity_np(thread, sizeof(cpu_set_t), &cpuset);
+
+ usleep(1000);
+ while (!p_phy_ctx->process_exit) {
+ sem_wait(&p_phy_ctx->urllc_sem_process);
+ pthread_mutex_lock(&lock);
+ if (p_urllc_list_elem)
+ {
+ switch (urllc_msg_dir) {
+ case NR5G_FAPI_URLLC_MSG_DIR_MAC2PHY:
+ nr5g_fapi_mac2phy_api_recv_handler(true, config, (p_fapi_api_queue_elem_t) p_urllc_list_elem);
+ start_tick = __rdtsc();
+ NR5G_FAPI_LOG(TRACE_LOG, ("[MAC2PHY] Send to PHY urllc.."));
+ nr5g_fapi_fapi2phy_send_api_list(true);
+ tick_total_wls_send_per_tti_dl += __rdtsc() - start_tick;
+ break;
+ case NR5G_FAPI_URLLC_MSG_DIR_PHY2MAC:
+ nr5g_fapi_phy2mac_api_recv_handler(true, config, (PMAC2PHY_QUEUE_EL) p_urllc_list_elem);
+ nr5g_fapi_fapi2mac_send_api_list(true);
+ break;
+ default:
+ NR5G_FAPI_LOG(ERROR_LOG, ("[URLLC]: Invalid URLLC message direction.\n"));
+ break;
+ }
+
+ p_urllc_list_elem = NULL;
+ urllc_msg_dir = NR5G_FAPI_URLLC_MSG_DIR_LAST;
+ }
+ pthread_mutex_unlock(&lock);
+ sem_post(&p_phy_ctx->urllc_sem_done);
+ }
+
+ pthread_exit(NULL);
+}