Hi, The result is still the same. [root at EIPU-0(KVMCluster) /root] # ./testpmd -c 3 -n 4 -- --burst=64 -i --txq=1 --rxq=1 --txqflags=0xffff EAL: Cannot read numa node link for lcore 0 - using physical package id instead EAL: Detected lcore 0 as core 0 on socket 0 EAL: Cannot read numa node link for lcore 1 - using physical package id instead EAL: Detected lcore 1 as core 1 on socket 0 EAL: Cannot read numa node link for lcore 2 - using physical package id instead EAL: Detected lcore 2 as core 2 on socket 0 EAL: Cannot read numa node link for lcore 3 - using physical package id instead EAL: Detected lcore 3 as core 3 on socket 0 EAL: Cannot read numa node link for lcore 4 - using physical package id instead EAL: Detected lcore 4 as core 4 on socket 0 EAL: Cannot read numa node link for lcore 5 - using physical package id instead EAL: Detected lcore 5 as core 5 on socket 0 EAL: Cannot read numa node link for lcore 6 - using physical package id instead EAL: Detected lcore 6 as core 6 on socket 0 EAL: Support maximum 64 logical core(s) by configuration. EAL: Detected 7 lcore(s) EAL: Searching for IVSHMEM devices... EAL: No IVSHMEM configuration found! EAL: Setting up memory... EAL: cannot open /proc/self/numa_maps, consider that all memory is in socket_id 0 EAL: Ask a virtual area of 0x13400000 bytes EAL: Virtual area found at 0x7fb8e2600000 (size = 0x13400000) EAL: Ask a virtual area of 0x1f000000 bytes EAL: Virtual area found at 0x7fb8c3400000 (size = 0x1f000000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7fb8c3000000 (size = 0x200000) EAL: Ask a virtual area of 0x400000 bytes EAL: Virtual area found at 0x7fb8c2a00000 (size = 0x400000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7fb8c2600000 (size = 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7fb8c2200000 (size = 0x200000) EAL: Ask a virtual area of 0x400000 bytes EAL: Virtual area found at 0x7fb8c1c00000 (size = 0x400000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7fb8c1800000 (size = 0x200000) EAL: Requesting 410 pages of size 2MB from socket 0 EAL: TSC frequency is ~2792867 KHz EAL: WARNING: cpu flags constant_tsc=yes nonstop_tsc=no -> using unreliable clock cycles ! EAL: Master core 0 is ready (tid=f6998800) EAL: Core 1 is ready (tid=c0ffe710) EAL: PCI device 0000:00:03.0 on NUMA socket -1 EAL: probe driver: 1af4:1000 rte_virtio_pmd EAL: 0000:00:03.0 not managed by UIO driver, skipping EAL: PCI device 0000:00:04.0 on NUMA socket -1 EAL: probe driver: 1af4:1000 rte_virtio_pmd EAL: PCI memory mapped at 0x7fb8f6959000 PMD: eth_virtio_dev_init(): PCI Port IO found start=0xc020 with size=0x20 PMD: virtio_negotiate_features(): guest_features before negotiate = 438020 PMD: virtio_negotiate_features(): host_features before negotiate = 489f7c26 PMD: virtio_negotiate_features(): features after negotiate = 30020 PMD: eth_virtio_dev_init(): PORT MAC: FF:FF:00:00:00:00 PMD: eth_virtio_dev_init(): VIRTIO_NET_F_MQ is not supported PMD: virtio_dev_cq_queue_setup(): >> PMD: virtio_dev_queue_setup(): selecting queue: 2 PMD: virtio_dev_queue_setup(): vq_size: 64 nb_desc:0 PMD: virtio_dev_queue_setup(): vring_size: 4612, rounded_vring_size: 8192 PMD: virtio_dev_queue_setup(): vq->vq_ring_mem: 0x212bdd000 PMD: virtio_dev_queue_setup(): vq->vq_ring_virt_mem: 0x7fb8c31dd000 PMD: eth_virtio_dev_init(): config->max_virtqueue_pairs=1 PMD: eth_virtio_dev_init(): config->status=0 PMD: eth_virtio_dev_init(): PORT MAC: FF:FF:00:00:00:00 PMD: eth_virtio_dev_init(): hw->max_rx_queues=1 hw->max_tx_queues=1 PMD: eth_virtio_dev_init(): port 0 vendorID=0x1af4 deviceID=0x1000 EAL: PCI device 0000:00:05.0 on NUMA socket -1 EAL: probe driver: 1af4:1000 rte_virtio_pmd EAL: PCI memory mapped at 0x7fb8f6958000 PMD: eth_virtio_dev_init(): PCI Port IO found start=0xc000 with size=0x20 PMD: virtio_negotiate_features(): guest_features before negotiate = 438020 PMD: virtio_negotiate_features(): host_features before negotiate = 489f7c26 PMD: virtio_negotiate_features(): features after negotiate = 30020 PMD: eth_virtio_dev_init(): PORT MAC: FF:FF:00:00:00:00 PMD: eth_virtio_dev_init(): VIRTIO_NET_F_MQ is not supported PMD: virtio_dev_cq_queue_setup(): >> PMD: virtio_dev_queue_setup(): selecting queue: 2 PMD: virtio_dev_queue_setup(): vq_size: 64 nb_desc:0 PMD: virtio_dev_queue_setup(): vring_size: 4612, rounded_vring_size: 8192 PMD: virtio_dev_queue_setup(): vq->vq_ring_mem: 0x212be0000 PMD: virtio_dev_queue_setup(): vq->vq_ring_virt_mem: 0x7fb8c31e0000 PMD: eth_virtio_dev_init(): config->max_virtqueue_pairs=1 PMD: eth_virtio_dev_init(): config->status=0 PMD: eth_virtio_dev_init(): PORT MAC: FF:FF:00:00:00:00 PMD: eth_virtio_dev_init(): hw->max_rx_queues=1 hw->max_tx_queues=1 PMD: eth_virtio_dev_init(): port 1 vendorID=0x1af4 deviceID=0x1000 Interactive-mode selected Configuring Port 0 (socket 0) PMD: virtio_dev_configure(): configure PMD: virtio_dev_tx_queue_setup(): >> PMD: virtio_dev_queue_setup(): selecting queue: 1 PMD: virtio_dev_queue_setup(): vq_size: 256 nb_desc:512 PMD: virtio_dev_queue_setup(): Warning: nb_desc(512) is not equal to vq size (256), fall to vq size PMD: virtio_dev_queue_setup(): vring_size: 10244, rounded_vring_size: 12288 PMD: virtio_dev_queue_setup(): vq->vq_ring_mem: 0x212be3000 PMD: virtio_dev_queue_setup(): vq->vq_ring_virt_mem: 0x7fb8c31e3000 PMD: virtio_dev_rx_queue_setup(): >> PMD: virtio_dev_queue_setup(): selecting queue: 0 PMD: virtio_dev_queue_setup(): vq_size: 256 nb_desc:128 PMD: virtio_dev_queue_setup(): Warning: nb_desc(128) is not equal to vq size (256), fall to vq size PMD: virtio_dev_queue_setup(): vring_size: 10244, rounded_vring_size: 12288 PMD: virtio_dev_queue_setup(): vq->vq_ring_mem: 0x212be7000 PMD: virtio_dev_queue_setup(): vq->vq_ring_virt_mem: 0x7fb8c31e7000 PMD: virtio_dev_vring_start(): >> PMD: virtio_dev_rxtx_start(): >> PMD: virtio_dev_vring_start(): >> PMD: virtio_dev_vring_start(): Allocated 256 bufs PMD: virtio_dev_vring_start(): >>
Port: 0 Link is DOWN PMD: virtio_dev_start(): nb_queues=1 PMD: virtio_dev_start(): Notified backend at initialization PMD: rte_eth_dev_config_restore: port 0: MAC address array not supported PMD: rte_eth_promiscuous_disable: Function not supported PMD: rte_eth_allmulticast_disable: Function not supported Port 0: FF:FF:00:00:00:00 Configuring Port 1 (socket 0) PMD: virtio_dev_configure(): configure PMD: virtio_dev_tx_queue_setup(): >> PMD: virtio_dev_queue_setup(): selecting queue: 1 PMD: virtio_dev_queue_setup(): vq_size: 256 nb_desc:512 PMD: virtio_dev_queue_setup(): Warning: nb_desc(512) is not equal to vq size (256), fall to vq size PMD: virtio_dev_queue_setup(): vring_size: 10244, rounded_vring_size: 12288 PMD: virtio_dev_queue_setup(): vq->vq_ring_mem: 0x212bea000 PMD: virtio_dev_queue_setup(): vq->vq_ring_virt_mem: 0x7fb8c31ea000 PMD: virtio_dev_rx_queue_setup(): >> PMD: virtio_dev_queue_setup(): selecting queue: 0 PMD: virtio_dev_queue_setup(): vq_size: 256 nb_desc:128 PMD: virtio_dev_queue_setup(): Warning: nb_desc(128) is not equal to vq size (256), fall to vq size PMD: virtio_dev_queue_setup(): vring_size: 10244, rounded_vring_size: 12288 PMD: virtio_dev_queue_setup(): vq->vq_ring_mem: 0x212bee000 PMD: virtio_dev_queue_setup(): vq->vq_ring_virt_mem: 0x7fb8c31ee000 PMD: virtio_dev_vring_start(): >> PMD: virtio_dev_rxtx_start(): >> PMD: virtio_dev_vring_start(): >> PMD: virtio_dev_vring_start(): Allocated 256 bufs PMD: virtio_dev_vring_start(): >> Port: 1 Link is DOWN PMD: virtio_dev_start(): nb_queues=1 PMD: virtio_dev_start(): Notified backend at initialization PMD: rte_eth_dev_config_restore: port 1: MAC address array not supported PMD: rte_eth_promiscuous_disable: Function not supported PMD: rte_eth_allmulticast_disable: Function not supported Port 1: FF:FF:00:00:00:00 Checking link statuses... PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down PMD: virtio_dev_link_update(): Get link status from hw PMD: virtio_dev_link_update(): Port 0 is down Brs, Fu Weiyi -----Original Message----- From: ext Ouyang, Changchun [mailto:changchun.ouy...@intel.com] Sent: Thursday, December 11, 2014 4:11 PM To: Fu, Weiyi (NSN - CN/Hangzhou); dev at dpdk.org Cc: Ouyang, Changchun Subject: RE: [dpdk-dev] In DPDK 1.7.1, the link status of the interface using virtio driver is always down. Hi, > -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Fu, Weiyi (NSN - > CN/Hangzhou) > Sent: Thursday, December 11, 2014 3:57 PM > To: dev at dpdk.org > Subject: [dpdk-dev] In DPDK 1.7.1, the link status of the interface using > virtio > driver is always down. > > Hi, > We are using the l2fwd based on DPDK 1.7.1 and found out that the link > status of the interface using virtio driver is always down. > Is there any precondition to let the link up? > Suggest you use testpmd to replace l2fwd, and virito need tx some packets before forwarding any packet. In testpmd, you can use the following cmd: Start tx_first Thanks Changchun