120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/* those 2 lines for CPU_SET */
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#define _GNU_SOURCE
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#include <sched.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pthread.h>
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#include "low.h"
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int dpdk_main(int argc, char **argv, benetel_t *);
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void *dpdk_thread(void *_bs)
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{
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benetel_t *bs = _bs;
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int n = 0;
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char **v = NULL; // = { "softmodem", "-n", "2", "--file-prefix", "pg2", "-l", "6", "--", "-p", "0x1" };
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char *s = bs->dpdk_main_command_line;
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char *tok;
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while ((tok = strtok(s, " ")) != NULL) {
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n++;
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v = realloc(v, n * sizeof(char *));
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if (v == NULL) {
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printf("%s: out of memory\n", __FUNCTION__);
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exit(1);
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}
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v[n-1] = tok;
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s = NULL;
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}
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dpdk_main(n, v, bs);
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exit(1);
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return 0;
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}
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void *benetel_start_dpdk(char *ifname, shared_buffers *buffers, char *dpdk_main_command_line)
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{
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benetel_t *bs;
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bs = calloc(1, sizeof(benetel_t));
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if (bs == NULL) {
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printf("%s: out of memory\n", __FUNCTION__);
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exit(1);
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}
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bs->buffers = buffers;
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bs->expected_benetel_frame[0] = 255;
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bs->expected_benetel_frame[1] = 255;
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bs->dpdk_main_command_line = dpdk_main_command_line;
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pthread_attr_t attr;
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if (pthread_attr_init(&attr) != 0) {
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printf("pthread_attr_init failed\n");
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exit(1);
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}
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cpu_set_t cpuset;
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CPU_ZERO(&cpuset);
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CPU_SET(10,&cpuset);
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if (pthread_attr_setaffinity_np(&attr, sizeof(cpu_set_t), &cpuset) != 0) {
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printf("pthread_attr_setaffinity_np failed\n");
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exit(1);
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}
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if (pthread_attr_setschedpolicy(&attr, SCHED_FIFO) != 0) {
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printf("pthread_attr_setschedpolicy failed\n");
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exit(1);
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}
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struct sched_param params;
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params.sched_priority = sched_get_priority_max(SCHED_FIFO);
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if (sched_get_priority_max(SCHED_FIFO) == -1) {
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printf("sched_get_priority_max failed\n");
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exit(1);
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}
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if (pthread_attr_setschedparam(&attr, ¶ms) != 0) {
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printf("pthread_setschedparam failed\n");
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exit(1);
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}
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pthread_t t;
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if (pthread_create(&t, &attr, dpdk_thread, bs) != 0) {
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printf("%s: thread creation failed\n", __FUNCTION__);
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exit(1);
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}
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if (pthread_attr_destroy(&attr) != 0) {
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printf("pthread_attr_init failed\n");
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exit(1);
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}
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return bs;
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}
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