i, I am wondering what is causing the packet to be dropped. Please help me.
The mempool was created and retrieved via lookup
The port and queues have been verified to be correct.
However, according to stats, no packet is transmitted, although
rte_eth_tx_burst returns 1. I also do not receive anything on the connected
machine.
532 if(mem == NULL)
533 {
534 LOG <<"No mem";
535 }
536 else{
537 LOG << "has mem";
538 }
539
540 rte_mbuf *mbufs = rte_pktmbuf_alloc(mem);
541 if(NULL == mbufs)
542 {
543 LOG << "ALLOCATION failed";
544 }
545 else
546 {
547 LOG << "ALLOCATION successful";
548 }
549
550 uint8_t* messageToSend = NULL;
551 LOG << "SENDRAW 2";
552 ether_addr addr;
553 rte_eth_macaddr_get(port, &addr);
554 LOG << "start port 2: " << rte_eth_dev_start(2);
569 ether_addr_copy(&addr, &hdr->s_addr);
570 hdr->ether_type = rte_cpu_to_be_16(0x9998);
571 mbufs->pkt_len = mbufs->data_len = 8;
572
573 messageToSend = (uint8_t*)&hdr[2];
574
575 for(auto i=0u; i < sendmsg.header.msgSize; ++i) {
576 messageToSend[i] = sendmsg.data[i];
577 }
578
579 LOG << "SENDRAW " << sendmsg.header.msgSize;
580 mbufs->pkt_len = sendmsg.header.msgSize;
581 LOG << "SENDRAW 5";
582 LOG << "SENDRAW 6";
583 rte_mbuf *mbufArray[] = {mbufs};
584 rte_pktmbuf_refcnt_update(mbufs, 1);
585 LOG << "SENDRAW 7";
586 //uint16_t nbPk = rte_eth_tx_burst(2, 0, mbufArray, 1);
587 uint32_t sent = 0;
588 struct rte_eth_dev_info dev_info;
589 struct rte_eth_stats stats;
590 LOG << "stats successful? " << rte_eth_stats_get(2, &stats);
591 rte_eth_dev_info_get(2, &dev_info);
592 LOG << "dev info: " << (dev_info.pci_dev->addr.bus);
593 while (1) {
594 sent = rte_eth_tx_burst(2, 0, mbufArray, 1);
595 if (sent > 0) {
596 LOG << "opackets: " << stats.opackets;
597 LOG << "obytes: " << stats.obytes;
598 LOG << "oerrors: " << stats.oerrors;
599 LOG << "packets transmitted " << sent;
600 return;
601 }
602 }
603
604
605 }
