rte_mempool_get

#include <stdio.h>
#include <stdint.h>
#include <rte_mempool.h>

#define MAX_NUM_BUFS 1024
#define BUF_SIZE 2048

int main() {
    struct rte_mempool *mp;
    const char *mp_name = "my_mempool";
    unsigned int num_bufs = MAX_NUM_BUFS;
    unsigned int buf_size = BUF_SIZE;
    int socket_id = SOCKET_ID_ANY;

    // 创建内存池
    mp = rte_mempool_create(mp_name, num_bufs, buf_size, 0, 0, NULL, NULL, NULL, NULL, socket_id, 0);

    if (mp == NULL) {
        printf("Failed to create mempool\n");
        return -1;
    }

    printf("Mempool created successfully\n");

    // 使用内存池
    void *buf;
    buf = rte_mempool_get(mp);
    if (buf == NULL) {
        printf("Failed to get buffer from mempool\n");
        return -1;
    }

    // 使用分配的内存
    // ...

    // 释放内存池中的内存
    rte_mempool_put(mp, buf);

    // 销毁内存池
    rte_mempool_free(mp);

    return 0;
}