int
tcpreplay_netport_init(struct arguments *args)
{
int ret;
uint8_t rss_key [40];
struct rte_eth_link link;
struct rte_eth_dev_info dev_info;
struct rte_eth_rss_conf rss_conf;
struct rte_eth_fdir fdir_conf;
/* Retreiving and printing device infos */
rte_eth_dev_info_get(i, &dev_info);
printf("Name:%s\n\tDriver name: %s\n\tMax rx queues: %d\n\tMax tx queues: %d\n", dev_info.pci_dev->driver->name,dev_info.driver_name, dev_info.max_rx_queues, dev_info.max_tx_queues);
printf("\tPCI Adress: %04d:%02d:%02x:%01d\n", dev_info.pci_dev->addr.domain, dev_info.pci_dev->addr.bus, dev_info.pci_dev->addr.devid, dev_info.pci_dev->addr.function);
/* Configure device with '1' rx queues and 1 tx queue */
ret = rte_eth_dev_configure(i, 1, 1, &port_conf);
if (ret < 0) rte_panic("Error configuring the port\n");
/* For each RX queue in each NIC */
/* Configure rx queue j of current device on current NUMA socket. It takes elements from the mempool */
ret = rte_eth_rx_queue_setup(i, 0, RX_QUEUE_SZ, rte_socket_id(), &rx_conf, pktmbuf_pool);
if (ret < 0) FATAL_ERROR("Error configuring receiving queue\n");
/* Configure mapping [queue] -> [element in stats array] */
ret = rte_eth_dev_set_rx_queue_stats_mapping (i, 0, 0);
if (ret < 0) FATAL_ERROR("Error configuring receiving queue stats\n");
/* Configure tx queue of current device on current NUMA socket. Mandatory configuration even if you want only rx packet */
ret = rte_eth_tx_queue_setup(i, 0, TX_QUEUE_SZ, rte_socket_id(), &tx_conf);
if (ret < 0) FATAL_ERROR("Error configuring transmitting queue. Errno: %d (%d bad arg, %d no mem)\n", -ret, EINVAL ,ENOMEM);
/* Start device */
ret = rte_eth_dev_start(i);
if (ret < 0) FATAL_ERROR("Cannot start port\n");
/* Enable receipt in promiscuous mode for an Ethernet device */
rte_eth_promiscuous_enable(i);
/* Print link status */
rte_eth_link_get_nowait(i, &link);
if (link.link_status) printf("\tPort %d Link Up - speed %u Mbps - %s\n", (uint8_t)i, (unsigned)link.link_speed,(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?("full-duplex") : ("half-duplex\n"));
else printf("\tPort %d Link Down\n",(uint8_t)i);
/* Print RSS support, not reliable because a NIC could support rss configuration just in rte_eth_dev_configure whithout supporting rte_eth_dev_rss_hash_conf_get*/
rss_conf.rss_key = rss_key;
ret = rte_eth_dev_rss_hash_conf_get (i,&rss_conf);
if (ret == 0) printf("\tDevice supports RSS\n"); else printf("\tDevice DOES NOT support RSS\n");
/* Print Flow director support */
ret = rte_eth_dev_fdir_get_infos (i, &fdir_conf);
if (ret == 0) printf("\tDevice supports Flow Director\n"); else printf("\tDevice DOES NOT support Flow Director\n");
if (args)
return 1;
return 1;
}
/* Init hardware filtering */
int
vr_dpdk_ethdev_filtering_init(struct vr_interface *vif,
struct vr_dpdk_ethdev *ethdev)
{
int ret;
uint8_t port_id = ethdev->ethdev_port_id;
struct rte_fdir_masks masks;
struct rte_eth_fdir fdir_info;
/* probe Flow Director */
memset(&fdir_info, 0, sizeof(fdir_info));
ret = rte_eth_dev_fdir_get_infos(port_id, &fdir_info);
if (ret == 0) {
/* enable hardware filtering */
RTE_LOG(INFO, VROUTER, " enable hardware filtering for ethdev %"
PRIu8 "\n", port_id);
vif->vif_flags |= VIF_FLAG_FILTERING_OFFLOAD;
} else {
vif->vif_flags &= ~VIF_FLAG_FILTERING_OFFLOAD;
/* free filtering mempools */
dpdk_ethdev_mempools_free(ethdev);
/* the ethdev does not support hardware filtering - it's not an error */
return 0;
}
memset(&masks, 0, sizeof(masks));
masks.dst_ipv4_mask = 0xffffffff;
masks.dst_port_mask = 0xffff;
masks.flexbytes = 1;
ret = rte_eth_dev_fdir_set_masks(port_id, &masks);
if (ret < 0) {
RTE_LOG(ERR, VROUTER, " error setting ethdev %" PRIu8
" Flow Director masks: %s (%d)\n", port_id, rte_strerror(-ret), -ret);
}
return ret;
}
