From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from demumfd001.nsn-inter.net (demumfd001.nsn-inter.net [93.183.12.32]) by dpdk.org (Postfix) with ESMTP id 7684C6A95 for ; Thu, 11 Dec 2014 12:42:19 +0100 (CET) Received: from demuprx016.emea.nsn-intra.net ([10.150.129.55]) by demumfd001.nsn-inter.net (8.14.3/8.14.3) with ESMTP id sBBBgIsi008472 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 11 Dec 2014 11:42:18 GMT Received: from SGSIHTC004.nsn-intra.net ([10.159.225.21]) by demuprx016.emea.nsn-intra.net (8.12.11.20060308/8.12.11) with ESMTP id sBBBfxNE026584 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Thu, 11 Dec 2014 12:42:17 +0100 Received: from SGSIMBX001.nsn-intra.net ([169.254.1.131]) by SGSIHTC004.nsn-intra.net ([10.159.225.21]) with mapi id 14.03.0195.001; Thu, 11 Dec 2014 19:41:53 +0800 From: "Fu, Weiyi (NSN - CN/Hangzhou)" To: "Fu, Weiyi (NSN - CN/Hangzhou)" , "ext Ouyang, Changchun" , "dev@dpdk.org" Thread-Topic: [dpdk-dev] In DPDK 1.7.1, the link status of the interface using virtio driver is always down. Thread-Index: AQHQFRoVfrrffY6AGUCV6tB+0HXMP5yKEnVAgAAxdTA= Date: Thu, 11 Dec 2014 11:41:52 +0000 Message-ID: <2680B515A539A446ACBEC0EBBDEC3DF80E938465@SGSIMBX001.nsn-intra.net> References: <2680B515A539A446ACBEC0EBBDEC3DF80E938312@SGSIMBX001.nsn-intra.net> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.159.225.120] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-purgate-type: clean X-purgate-Ad: Categorized by eleven eXpurgate (R) http://www.eleven.de X-purgate: clean X-purgate: This mail is considered clean (visit http://www.eleven.de for further information) X-purgate-size: 11930 X-purgate-ID: 151667::1418298138-0000658F-D4C69CBC/0/0 Subject: Re: [dpdk-dev] In DPDK 1.7.1, the link status of the interface using virtio driver is always down. X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Dec 2014 11:42:19 -0000 Hi Changchun, I found you had done follow change to allow the virtio interface startup wh= en the link is down. Is there any scenario causing link down for virtio in= terface? diff --git a/lib/librte_pmd_virtio/virtio_ethdev.c b/lib/librte_pmd_virtio/= virtio_ethdev.c index 78018f9..4bff0fe 100644 --- a/lib/librte_pmd_virtio/virtio_ethdev.c +++ b/lib/librte_pmd_virtio/virtio_ethdev.c @@ -1057,14 +1057,12 @@ virtio_dev_start(struct rte_eth_dev *dev) vtpci_read_dev_config(hw, offsetof(struct virtio_net_config, status), &status, sizeof(status)); - if ((status & VIRTIO_NET_S_LINK_UP) =3D=3D 0) { + if ((status & VIRTIO_NET_S_LINK_UP) =3D=3D 0) PMD_INIT_LOG(ERR, "Port: %d Link is DOWN", dev->data->port_id); - return -EIO; - } else { + else PMD_INIT_LOG(DEBUG, "Port: %d Link is UP", dev->data->port_id); - } } vtpci_reinit_complete(hw); Brs, Fu Weiyi -----Original Message----- From: Fu, Weiyi (NSN - CN/Hangzhou)=20 Sent: Thursday, December 11, 2014 4:43 PM To: 'ext Ouyang, Changchun'; dev@dpdk.org Subject: RE: [dpdk-dev] In DPDK 1.7.1, the link status of the interface usi= ng virtio driver is always down. Hi, The result is still the same. [root@EIPU-0(KVMCluster) /root] # ./testpmd -c 3 -n 4 -- --burst=3D64 -i --txq=3D1 --rxq=3D1 --txqflags= =3D0xffff EAL: Cannot read numa node link for lcore 0 - using physical package id ins= tead EAL: Detected lcore 0 as core 0 on socket 0 EAL: Cannot read numa node link for lcore 1 - using physical package id ins= tead EAL: Detected lcore 1 as core 1 on socket 0 EAL: Cannot read numa node link for lcore 2 - using physical package id ins= tead EAL: Detected lcore 2 as core 2 on socket 0 EAL: Cannot read numa node link for lcore 3 - using physical package id ins= tead EAL: Detected lcore 3 as core 3 on socket 0 EAL: Cannot read numa node link for lcore 4 - using physical package id ins= tead EAL: Detected lcore 4 as core 4 on socket 0 EAL: Cannot read numa node link for lcore 5 - using physical package id ins= tead EAL: Detected lcore 5 as core 5 on socket 0 EAL: Cannot read numa node link for lcore 6 - using physical package id ins= tead 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 socke= t_id 0 EAL: Ask a virtual area of 0x13400000 bytes EAL: Virtual area found at 0x7fb8e2600000 (size =3D 0x13400000) EAL: Ask a virtual area of 0x1f000000 bytes EAL: Virtual area found at 0x7fb8c3400000 (size =3D 0x1f000000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7fb8c3000000 (size =3D 0x200000) EAL: Ask a virtual area of 0x400000 bytes EAL: Virtual area found at 0x7fb8c2a00000 (size =3D 0x400000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7fb8c2600000 (size =3D 0x200000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7fb8c2200000 (size =3D 0x200000) EAL: Ask a virtual area of 0x400000 bytes EAL: Virtual area found at 0x7fb8c1c00000 (size =3D 0x400000) EAL: Ask a virtual area of 0x200000 bytes EAL: Virtual area found at 0x7fb8c1800000 (size =3D 0x200000) EAL: Requesting 410 pages of size 2MB from socket 0 EAL: TSC frequency is ~2792867 KHz EAL: WARNING: cpu flags constant_tsc=3Dyes nonstop_tsc=3Dno -> using unreli= able clock cycles ! EAL: Master core 0 is ready (tid=3Df6998800) EAL: Core 1 is ready (tid=3Dc0ffe710) 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=3D0xc020 with size=3D0x= 20 PMD: virtio_negotiate_features(): guest_features before negotiate =3D 43802= 0 PMD: virtio_negotiate_features(): host_features before negotiate =3D 489f7c= 26 PMD: virtio_negotiate_features(): features after negotiate =3D 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=3D1 PMD: eth_virtio_dev_init(): config->status=3D0 PMD: eth_virtio_dev_init(): PORT MAC: FF:FF:00:00:00:00 PMD: eth_virtio_dev_init(): hw->max_rx_queues=3D1 hw->max_tx_queues=3D1 PMD: eth_virtio_dev_init(): port 0 vendorID=3D0x1af4 deviceID=3D0x1000 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=3D0xc000 with size=3D0x= 20 PMD: virtio_negotiate_features(): guest_features before negotiate =3D 43802= 0 PMD: virtio_negotiate_features(): host_features before negotiate =3D 489f7c= 26 PMD: virtio_negotiate_features(): features after negotiate =3D 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=3D1 PMD: eth_virtio_dev_init(): config->status=3D0 PMD: eth_virtio_dev_init(): PORT MAC: FF:FF:00:00:00:00 PMD: eth_virtio_dev_init(): hw->max_rx_queues=3D1 hw->max_tx_queues=3D1 PMD: eth_virtio_dev_init(): port 1 vendorID=3D0x1af4 deviceID=3D0x1000 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 siz= e (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 siz= e (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=3D1 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 siz= e (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 siz= e (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=3D1 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.ouyang@intel.com]=20 Sent: Thursday, December 11, 2014 4:11 PM To: Fu, Weiyi (NSN - CN/Hangzhou); dev@dpdk.org Cc: Ouyang, Changchun Subject: RE: [dpdk-dev] In DPDK 1.7.1, the link status of the interface usi= ng virtio driver is always down. Hi, > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Fu, Weiyi (NSN - > CN/Hangzhou) > Sent: Thursday, December 11, 2014 3:57 PM > To: dev@dpdk.org > Subject: [dpdk-dev] In DPDK 1.7.1, the link status of the interface using= virtio > driver is always down. >=20 > 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? >=20 Suggest you use testpmd to replace l2fwd, and virito need tx some packets b= efore forwarding any packet.=20 In testpmd, you can use the following cmd: Start tx_first=20 Thanks Changchun