Hello, I am trying to allocate an mbuf to use for IP fragmentation. When instantiating a mempool using rte_pktmbuf_pool_create() function, I keep getting the following error message.
Error Message: * MEMPOOL: Cannot allocate tailq entry! Will you please let me know what I am missing? Regards, Katie --------------- Code --------------------- #include <stdio.h> #include <stdlib.h> #include <stdint.h> #include <inttypes.h> #include <sys/types.h> #include <sys/param.h> #include <string.h> #include <sys/queue.h> #include <stdarg.h> #include <errno.h> #include <getopt.h> #include <rte_common.h> #include <rte_byteorder.h> #include <rte_log.h> #include <rte_memory.h> #include <rte_memcpy.h> #include <rte_memzone.h> #include <rte_eal.h> #include <rte_per_lcore.h> #include <rte_launch.h> #include <rte_atomic.h> #include <rte_cycles.h> #include <rte_prefetch.h> #include <rte_lcore.h> #include <rte_per_lcore.h> #include <rte_branch_prediction.h> #include <rte_interrupts.h> #include <rte_pci.h> #include <rte_random.h> #include <rte_debug.h> #include <rte_ether.h> #include <rte_ethdev.h> #include <rte_ring.h> #include <rte_mempool.h> #include <rte_mbuf.h> #include <rte_lpm.h> #include <rte_lpm6.h> #include <rte_ip.h> #include <rte_string_fns.h> #include <rte_ip_frag.h> struct rte_mempool *mempool = NULL; #define NB_MBUF 8192 #define AERO_FRAG_SIZE 1024 #define PATH_MAX 4096 //static struct rte_mempool *socket_direct_pool[RTE_MAX_NUMA_NODES]; int main(int argc, char **argv) { struct rte_mbuf *mbuf = NULL; struct node_queue_conf *qconf; char buf[PATH_MAX]; struct rte_mempool *mp; struct rte_lpm *lpm; struct rte_lpm6 *lpm6; struct rte_lpm_config lpm_config; /*KT Readded*/ int socket; unsigned lcore_id; unsigned elt_size; lcore_id = 1; socket = rte_lcore_to_socket_id(lcore_id); if (rte_lcore_is_enabled(lcore_id) == 0) printf("RTE LCORE is enabled!"); socket = rte_lcore_to_socket_id(lcore_id); if (socket == SOCKET_ID_ANY) socket = 0; elt_size = sizeof(struct rte_mbuf) + (unsigned)RTE_MBUF_DEFAULT_BUF_SIZE; //mp = rte_mempool_create_empty(buf, NB_MBUF, elt_size, RTE_MBUF_DEFAULT_BUF_SIZE, sizeof(struct rte_pktmbuf_pool_private), socket, 0); mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32, 0, RTE_MBUF_DEFAULT_BUF_SIZE, socket); /* if (socket_direct_pool[socket] == NULL) { RTE_LOG(INFO, IP_FRAG, "Creating direct mempool on socket %i\n", socket); snprintf(buf, sizeof(buf), "pool_direct_%i", socket); mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32, 0, AERO_FRAG_SIZE, socket); if (mp == NULL) { RTE_LOG(ERR, IP_FRAG, "Cannot create direct mempool\n"); return -1; } socket_direct_pool[socket] = mp; } */ //mbuf = rte_pktmbuf_alloc(mp); //fragment(mbuf, qconf); } ------------------------------------------ -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: fragment.c URL: <http://mails.dpdk.org/archives/users/attachments/20190917/3e7f791b/attachment.c>