X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_ethdev.c;h=0236c756dca8cc7d3b92f87b0fd5bd8722d345c8;hb=f908b22ea47a84bd1cb5c644bc12f5307721cea6;hp=df3a218a8fced6b0609875792288e750ceac5bc9;hpb=2b38151f745a30ebe653a202563bf8539740633f;p=dpdk.git diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index df3a218a8f..0236c756dc 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -35,16 +35,22 @@ #include "virtio_logs.h" #include "virtqueue.h" #include "virtio_rxtx.h" +#include "virtio_user/virtio_user_dev.h" static int eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev); static int virtio_dev_configure(struct rte_eth_dev *dev); static int virtio_dev_start(struct rte_eth_dev *dev); static void virtio_dev_stop(struct rte_eth_dev *dev); -static void virtio_dev_promiscuous_enable(struct rte_eth_dev *dev); -static void virtio_dev_promiscuous_disable(struct rte_eth_dev *dev); -static void virtio_dev_allmulticast_enable(struct rte_eth_dev *dev); -static void virtio_dev_allmulticast_disable(struct rte_eth_dev *dev); -static void virtio_dev_info_get(struct rte_eth_dev *dev, +static int virtio_dev_promiscuous_enable(struct rte_eth_dev *dev); +static int virtio_dev_promiscuous_disable(struct rte_eth_dev *dev); +static int virtio_dev_allmulticast_enable(struct rte_eth_dev *dev); +static int virtio_dev_allmulticast_disable(struct rte_eth_dev *dev); +static uint32_t virtio_dev_speed_capa_get(uint32_t speed); +static int virtio_dev_devargs_parse(struct rte_devargs *devargs, + int *vdpa, + uint32_t *speed, + int *vectorized); +static int virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info); static int virtio_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete); @@ -60,7 +66,7 @@ static int virtio_dev_xstats_get(struct rte_eth_dev *dev, static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev, struct rte_eth_xstat_name *xstats_names, unsigned limit); -static void virtio_dev_stats_reset(struct rte_eth_dev *dev); +static int virtio_dev_stats_reset(struct rte_eth_dev *dev); static void virtio_dev_free_mbufs(struct rte_eth_dev *dev); static int virtio_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on); @@ -79,9 +85,6 @@ static int virtio_dev_queue_stats_mapping_set( uint8_t stat_idx, uint8_t is_rx); -int virtio_logtype_init; -int virtio_logtype_driver; - static void virtio_notify_peers(struct rte_eth_dev *dev); static void virtio_ack_link_announce(struct rte_eth_dev *dev); @@ -120,7 +123,6 @@ static const struct rte_virtio_xstats_name_off rte_virtio_rxq_stat_strings[] = { static const struct rte_virtio_xstats_name_off rte_virtio_txq_stat_strings[] = { {"good_packets", offsetof(struct virtnet_tx, stats.packets)}, {"good_bytes", offsetof(struct virtnet_tx, stats.bytes)}, - {"errors", offsetof(struct virtnet_tx, stats.errors)}, {"multicast_packets", offsetof(struct virtnet_tx, stats.multicast)}, {"broadcast_packets", offsetof(struct virtnet_tx, stats.broadcast)}, {"undersize_packets", offsetof(struct virtnet_tx, stats.size_bins[0])}, @@ -285,13 +287,10 @@ virtio_send_command_split(struct virtnet_ctl *cvq, virtqueue_notify(vq); - rte_rmb(); - while (VIRTQUEUE_NUSED(vq) == 0) { - rte_rmb(); + while (virtqueue_nused(vq) == 0) usleep(100); - } - while (VIRTQUEUE_NUSED(vq)) { + while (virtqueue_nused(vq)) { uint32_t idx, desc_idx, used_idx; struct vring_used_elem *uep; @@ -465,8 +464,8 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx) return -EINVAL; } - if (!rte_is_power_of_2(vq_size)) { - PMD_INIT_LOG(ERR, "virtqueue size is not powerof 2"); + if (!vtpci_packed_queue(hw) && !rte_is_power_of_2(vq_size)) { + PMD_INIT_LOG(ERR, "split virtqueue size is not power of 2"); return -EINVAL; } @@ -588,8 +587,8 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx) hw->cvq = cvq; } - /* For virtio_user case (that is when hw->dev is NULL), we use - * virtual address. And we need properly set _offset_, please see + /* For virtio_user case (that is when hw->virtio_user_dev is not NULL), + * we use virtual address. And we need properly set _offset_, please see * VIRTIO_MBUF_DATA_DMA_ADDR in virtqueue.h for more information. */ if (!hw->virtio_user_dev) @@ -610,10 +609,9 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx) txr = hdr_mz->addr; memset(txr, 0, vq_size * sizeof(*txr)); for (i = 0; i < vq_size; i++) { - struct vring_desc *start_dp = txr[i].tx_indir; - /* first indirect descriptor is always the tx header */ if (!vtpci_packed_queue(hw)) { + struct vring_desc *start_dp = txr[i].tx_indir; vring_desc_init_split(start_dp, RTE_DIM(txr[i].tx_indir)); start_dp->addr = txvq->virtio_net_hdr_mem @@ -622,6 +620,16 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx) tx_hdr); start_dp->len = hw->vtnet_hdr_size; start_dp->flags = VRING_DESC_F_NEXT; + } else { + struct vring_packed_desc *start_dp = + txr[i].tx_packed_indir; + vring_desc_init_indirect_packed(start_dp, + RTE_DIM(txr[i].tx_packed_indir)); + start_dp->addr = txvq->virtio_net_hdr_mem + + i * sizeof(*txr) + + offsetof(struct virtio_tx_region, + tx_hdr); + start_dp->len = hw->vtnet_hdr_size; } } } @@ -705,16 +713,18 @@ virtio_alloc_queues(struct rte_eth_dev *dev) static void virtio_queues_unbind_intr(struct rte_eth_dev *dev); -static void +static int virtio_dev_close(struct rte_eth_dev *dev) { struct virtio_hw *hw = dev->data->dev_private; struct rte_intr_conf *intr_conf = &dev->data->dev_conf.intr_conf; PMD_INIT_LOG(DEBUG, "virtio_dev_close"); + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; if (!hw->opened) - return; + return 0; hw->opened = false; /* reset the NIC */ @@ -733,9 +743,22 @@ virtio_dev_close(struct rte_eth_dev *dev) vtpci_reset(hw); virtio_dev_free_mbufs(dev); virtio_free_queues(hw); + +#ifdef RTE_VIRTIO_USER + if (hw->virtio_user_dev) + virtio_user_dev_uninit(hw->virtio_user_dev); + else +#endif + if (dev->device) { + rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(dev)); + if (!hw->modern) + rte_pci_ioport_unmap(VTPCI_IO(hw)); + } + + return 0; } -static void +static int virtio_dev_promiscuous_enable(struct rte_eth_dev *dev) { struct virtio_hw *hw = dev->data->dev_private; @@ -745,7 +768,7 @@ virtio_dev_promiscuous_enable(struct rte_eth_dev *dev) if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) { PMD_INIT_LOG(INFO, "host does not support rx control"); - return; + return -ENOTSUP; } ctrl.hdr.class = VIRTIO_NET_CTRL_RX; @@ -754,11 +777,15 @@ virtio_dev_promiscuous_enable(struct rte_eth_dev *dev) dlen[0] = 1; ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1); - if (ret) + if (ret) { PMD_INIT_LOG(ERR, "Failed to enable promisc"); + return -EAGAIN; + } + + return 0; } -static void +static int virtio_dev_promiscuous_disable(struct rte_eth_dev *dev) { struct virtio_hw *hw = dev->data->dev_private; @@ -768,7 +795,7 @@ virtio_dev_promiscuous_disable(struct rte_eth_dev *dev) if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) { PMD_INIT_LOG(INFO, "host does not support rx control"); - return; + return -ENOTSUP; } ctrl.hdr.class = VIRTIO_NET_CTRL_RX; @@ -777,11 +804,15 @@ virtio_dev_promiscuous_disable(struct rte_eth_dev *dev) dlen[0] = 1; ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1); - if (ret) + if (ret) { PMD_INIT_LOG(ERR, "Failed to disable promisc"); + return -EAGAIN; + } + + return 0; } -static void +static int virtio_dev_allmulticast_enable(struct rte_eth_dev *dev) { struct virtio_hw *hw = dev->data->dev_private; @@ -791,7 +822,7 @@ virtio_dev_allmulticast_enable(struct rte_eth_dev *dev) if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) { PMD_INIT_LOG(INFO, "host does not support rx control"); - return; + return -ENOTSUP; } ctrl.hdr.class = VIRTIO_NET_CTRL_RX; @@ -800,11 +831,15 @@ virtio_dev_allmulticast_enable(struct rte_eth_dev *dev) dlen[0] = 1; ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1); - if (ret) + if (ret) { PMD_INIT_LOG(ERR, "Failed to enable allmulticast"); + return -EAGAIN; + } + + return 0; } -static void +static int virtio_dev_allmulticast_disable(struct rte_eth_dev *dev) { struct virtio_hw *hw = dev->data->dev_private; @@ -814,7 +849,7 @@ virtio_dev_allmulticast_disable(struct rte_eth_dev *dev) if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) { PMD_INIT_LOG(INFO, "host does not support rx control"); - return; + return -ENOTSUP; } ctrl.hdr.class = VIRTIO_NET_CTRL_RX; @@ -823,8 +858,12 @@ virtio_dev_allmulticast_disable(struct rte_eth_dev *dev) dlen[0] = 1; ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1); - if (ret) + if (ret) { PMD_INIT_LOG(ERR, "Failed to disable allmulticast"); + return -EAGAIN; + } + + return 0; } #define VLAN_TAG_LEN 4 /* 802.3ac tag (not DMA'd) */ @@ -894,7 +933,6 @@ static const struct eth_dev_ops virtio_eth_dev_ops = { .rx_queue_intr_enable = virtio_dev_rx_queue_intr_enable, .rx_queue_intr_disable = virtio_dev_rx_queue_intr_disable, .rx_queue_release = virtio_dev_queue_release, - .rx_descriptor_done = virtio_dev_rx_queue_done, .tx_queue_setup = virtio_dev_tx_queue_setup, .tx_queue_release = virtio_dev_queue_release, /* collect stats per queue */ @@ -932,7 +970,6 @@ virtio_update_stats(struct rte_eth_dev *dev, struct rte_eth_stats *stats) stats->opackets += txvq->stats.packets; stats->obytes += txvq->stats.bytes; - stats->oerrors += txvq->stats.errors; if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) { stats->q_opackets[i] = txvq->stats.packets; @@ -1058,7 +1095,7 @@ virtio_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) return 0; } -static void +static int virtio_dev_stats_reset(struct rte_eth_dev *dev) { unsigned int i; @@ -1070,7 +1107,6 @@ virtio_dev_stats_reset(struct rte_eth_dev *dev) txvq->stats.packets = 0; txvq->stats.bytes = 0; - txvq->stats.errors = 0; txvq->stats.multicast = 0; txvq->stats.broadcast = 0; memset(txvq->stats.size_bins, 0, @@ -1090,6 +1126,8 @@ virtio_dev_stats_reset(struct rte_eth_dev *dev) memset(rxvq->stats.size_bins, 0, sizeof(rxvq->stats.size_bins[0]) * 8); } + + return 0; } static void @@ -1252,6 +1290,20 @@ virtio_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on) return virtio_send_command(hw->cvq, &ctrl, &len, 1); } +static int +virtio_intr_unmask(struct rte_eth_dev *dev) +{ + struct virtio_hw *hw = dev->data->dev_private; + + if (rte_intr_ack(dev->intr_handle) < 0) + return -1; + + if (!hw->virtio_user_dev) + hw->use_msix = vtpci_msix_detect(RTE_ETH_DEV_TO_PCI(dev)); + + return 0; +} + static int virtio_intr_enable(struct rte_eth_dev *dev) { @@ -1315,12 +1367,13 @@ virtio_negotiate_features(struct virtio_hw *hw, uint64_t req_features) PMD_INIT_LOG(DEBUG, "features after negotiate = %" PRIx64, hw->guest_features); - if (hw->modern) { - if (!vtpci_with_feature(hw, VIRTIO_F_VERSION_1)) { - PMD_INIT_LOG(ERR, - "VIRTIO_F_VERSION_1 features is not enabled."); - return -1; - } + if (hw->modern && !vtpci_with_feature(hw, VIRTIO_F_VERSION_1)) { + PMD_INIT_LOG(ERR, + "VIRTIO_F_VERSION_1 features is not enabled."); + return -1; + } + + if (hw->modern || hw->virtio_user_dev) { vtpci_set_status(hw, VIRTIO_CONFIG_STATUS_FEATURES_OK); if (!(vtpci_get_status(hw) & VIRTIO_CONFIG_STATUS_FEATURES_OK)) { PMD_INIT_LOG(ERR, @@ -1445,14 +1498,14 @@ virtio_interrupt_handler(void *param) isr = vtpci_isr(hw); PMD_DRV_LOG(INFO, "interrupt status = %#x", isr); - if (virtio_intr_enable(dev) < 0) + if (virtio_intr_unmask(dev) < 0) PMD_DRV_LOG(ERR, "interrupt enable failed"); if (isr & VIRTIO_PCI_ISR_CONFIG) { if (virtio_dev_link_update(dev, 0) == 0) - _rte_eth_dev_callback_process(dev, - RTE_ETH_EVENT_INTR_LSC, - NULL); + rte_eth_dev_callback_process(dev, + RTE_ETH_EVENT_INTR_LSC, + NULL); if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS)) { vtpci_read_dev_config(hw, @@ -1473,12 +1526,16 @@ set_rxtx_funcs(struct rte_eth_dev *eth_dev) { struct virtio_hw *hw = eth_dev->data->dev_private; + eth_dev->tx_pkt_prepare = virtio_xmit_pkts_prepare; if (vtpci_packed_queue(hw)) { PMD_INIT_LOG(INFO, "virtio: using packed ring %s Tx path on port %u", - hw->use_inorder_tx ? "inorder" : "standard", + hw->use_vec_tx ? "vectorized" : "standard", eth_dev->data->port_id); - eth_dev->tx_pkt_burst = virtio_xmit_pkts_packed; + if (hw->use_vec_tx) + eth_dev->tx_pkt_burst = virtio_xmit_pkts_packed_vec; + else + eth_dev->tx_pkt_burst = virtio_xmit_pkts_packed; } else { if (hw->use_inorder_tx) { PMD_INIT_LOG(INFO, "virtio: using inorder Tx path on port %u", @@ -1492,7 +1549,13 @@ set_rxtx_funcs(struct rte_eth_dev *eth_dev) } if (vtpci_packed_queue(hw)) { - if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) { + if (hw->use_vec_rx) { + PMD_INIT_LOG(INFO, + "virtio: using packed ring vectorized Rx path on port %u", + eth_dev->data->port_id); + eth_dev->rx_pkt_burst = + &virtio_recv_pkts_packed_vec; + } else if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) { PMD_INIT_LOG(INFO, "virtio: using packed ring mergeable buffer Rx path on port %u", eth_dev->data->port_id); @@ -1505,8 +1568,8 @@ set_rxtx_funcs(struct rte_eth_dev *eth_dev) eth_dev->rx_pkt_burst = &virtio_recv_pkts_packed; } } else { - if (hw->use_simple_rx) { - PMD_INIT_LOG(INFO, "virtio: using simple Rx path on port %u", + if (hw->use_vec_rx) { + PMD_INIT_LOG(INFO, "virtio: using vectorized Rx path on port %u", eth_dev->data->port_id); eth_dev->rx_pkt_burst = virtio_recv_pkts_vec; } else if (hw->use_inorder_rx) { @@ -1616,7 +1679,7 @@ virtio_configure_intr(struct rte_eth_dev *dev) return 0; } - +#define DUPLEX_UNKNOWN 0xff /* reset device and renegotiate features if needed */ static int virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) @@ -1645,10 +1708,8 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) hw->weak_barriers = !vtpci_with_feature(hw, VIRTIO_F_ORDER_PLATFORM); - if (!hw->virtio_user_dev) { + if (!hw->virtio_user_dev) pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); - rte_eth_copy_pci_info(eth_dev, pci_dev); - } /* If host does not support both status and MSI-X then disable LSC */ if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS) && @@ -1674,6 +1735,23 @@ virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features) hw->mac_addr[0], hw->mac_addr[1], hw->mac_addr[2], hw->mac_addr[3], hw->mac_addr[4], hw->mac_addr[5]); + if (hw->speed == ETH_SPEED_NUM_UNKNOWN) { + if (vtpci_with_feature(hw, VIRTIO_NET_F_SPEED_DUPLEX)) { + config = &local_config; + vtpci_read_dev_config(hw, + offsetof(struct virtio_net_config, speed), + &config->speed, sizeof(config->speed)); + vtpci_read_dev_config(hw, + offsetof(struct virtio_net_config, duplex), + &config->duplex, sizeof(config->duplex)); + hw->speed = config->speed; + hw->duplex = config->duplex; + } + } + if (hw->duplex == DUPLEX_UNKNOWN) + hw->duplex = ETH_LINK_FULL_DUPLEX; + PMD_INIT_LOG(DEBUG, "link speed = %d, duplex = %d", + hw->speed, hw->duplex); if (vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_VQ)) { config = &local_config; @@ -1821,11 +1899,21 @@ int eth_virtio_dev_init(struct rte_eth_dev *eth_dev) { struct virtio_hw *hw = eth_dev->data->dev_private; + uint32_t speed = ETH_SPEED_NUM_UNKNOWN; + int vectorized = 0; int ret; - RTE_BUILD_BUG_ON(RTE_PKTMBUF_HEADROOM < sizeof(struct virtio_net_hdr_mrg_rxbuf)); + if (sizeof(struct virtio_net_hdr_mrg_rxbuf) > RTE_PKTMBUF_HEADROOM) { + PMD_INIT_LOG(ERR, + "Not sufficient headroom required = %d, avail = %d", + (int)sizeof(struct virtio_net_hdr_mrg_rxbuf), + RTE_PKTMBUF_HEADROOM); + + return -1; + } eth_dev->dev_ops = &virtio_eth_dev_ops; + eth_dev->rx_descriptor_done = virtio_dev_rx_queue_done; if (rte_eal_process_type() == RTE_PROC_SECONDARY) { if (!hw->virtio_user_dev) { @@ -1839,6 +1927,11 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev) return 0; } + ret = virtio_dev_devargs_parse(eth_dev->device->devargs, + NULL, &speed, &vectorized); + if (ret < 0) + return ret; + hw->speed = speed; /* Allocate memory for storing MAC addresses */ eth_dev->data->mac_addrs = rte_zmalloc("virtio", @@ -1857,17 +1950,41 @@ eth_virtio_dev_init(struct rte_eth_dev *eth_dev) if (!hw->virtio_user_dev) { ret = vtpci_init(RTE_ETH_DEV_TO_PCI(eth_dev), hw); if (ret) - goto out; + goto err_vtpci_init; } + rte_spinlock_init(&hw->state_lock); + /* reset device and negotiate default features */ ret = virtio_init_device(eth_dev, VIRTIO_PMD_DEFAULT_GUEST_FEATURES); if (ret < 0) - goto out; + goto err_virtio_init; + + if (vectorized) { + if (!vtpci_packed_queue(hw)) { + hw->use_vec_rx = 1; + } else { +#if !defined(CC_AVX512_SUPPORT) + PMD_DRV_LOG(INFO, + "building environment do not support packed ring vectorized"); +#else + hw->use_vec_rx = 1; + hw->use_vec_tx = 1; +#endif + } + } + + hw->opened = true; return 0; -out: +err_virtio_init: + if (!hw->virtio_user_dev) { + rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev)); + if (!hw->modern) + rte_pci_ioport_unmap(VTPCI_IO(hw)); + } +err_vtpci_init: rte_free(eth_dev->data->mac_addrs); eth_dev->data->mac_addrs = NULL; return ret; @@ -1888,46 +2005,131 @@ eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev) eth_dev->tx_pkt_burst = NULL; eth_dev->rx_pkt_burst = NULL; - if (eth_dev->device) - rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev)); - PMD_INIT_LOG(DEBUG, "dev_uninit completed"); return 0; } + static int vdpa_check_handler(__rte_unused const char *key, - const char *value, __rte_unused void *opaque) + const char *value, void *ret_val) { - if (strcmp(value, "1")) - return -1; + if (strcmp(value, "1") == 0) + *(int *)ret_val = 1; + else + *(int *)ret_val = 0; + + return 0; +} + + +static uint32_t +virtio_dev_speed_capa_get(uint32_t speed) +{ + switch (speed) { + case ETH_SPEED_NUM_10G: + return ETH_LINK_SPEED_10G; + case ETH_SPEED_NUM_20G: + return ETH_LINK_SPEED_20G; + case ETH_SPEED_NUM_25G: + return ETH_LINK_SPEED_25G; + case ETH_SPEED_NUM_40G: + return ETH_LINK_SPEED_40G; + case ETH_SPEED_NUM_50G: + return ETH_LINK_SPEED_50G; + case ETH_SPEED_NUM_56G: + return ETH_LINK_SPEED_56G; + case ETH_SPEED_NUM_100G: + return ETH_LINK_SPEED_100G; + case ETH_SPEED_NUM_200G: + return ETH_LINK_SPEED_200G; + default: + return 0; + } +} + +static int vectorized_check_handler(__rte_unused const char *key, + const char *value, void *ret_val) +{ + if (strcmp(value, "1") == 0) + *(int *)ret_val = 1; + else + *(int *)ret_val = 0; + + return 0; +} + +#define VIRTIO_ARG_SPEED "speed" +#define VIRTIO_ARG_VDPA "vdpa" +#define VIRTIO_ARG_VECTORIZED "vectorized" + + +static int +link_speed_handler(const char *key __rte_unused, + const char *value, void *ret_val) +{ + uint32_t val; + if (!value || !ret_val) + return -EINVAL; + val = strtoul(value, NULL, 0); + /* validate input */ + if (virtio_dev_speed_capa_get(val) == 0) + return -EINVAL; + *(uint32_t *)ret_val = val; return 0; } + static int -vdpa_mode_selected(struct rte_devargs *devargs) +virtio_dev_devargs_parse(struct rte_devargs *devargs, int *vdpa, + uint32_t *speed, int *vectorized) { struct rte_kvargs *kvlist; - const char *key = "vdpa"; int ret = 0; if (devargs == NULL) return 0; kvlist = rte_kvargs_parse(devargs->args, NULL); - if (kvlist == NULL) + if (kvlist == NULL) { + PMD_INIT_LOG(ERR, "error when parsing param"); return 0; + } + if (vdpa && rte_kvargs_count(kvlist, VIRTIO_ARG_VDPA) == 1) { + /* vdpa mode selected when there's a key-value pair: + * vdpa=1 + */ + ret = rte_kvargs_process(kvlist, VIRTIO_ARG_VDPA, + vdpa_check_handler, vdpa); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to parse %s", + VIRTIO_ARG_VDPA); + goto exit; + } + } + if (speed && rte_kvargs_count(kvlist, VIRTIO_ARG_SPEED) == 1) { + ret = rte_kvargs_process(kvlist, + VIRTIO_ARG_SPEED, + link_speed_handler, speed); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to parse %s", + VIRTIO_ARG_SPEED); + goto exit; + } + } - if (!rte_kvargs_count(kvlist, key)) - goto exit; - - /* vdpa mode selected when there's a key-value pair: vdpa=1 */ - if (rte_kvargs_process(kvlist, key, - vdpa_check_handler, NULL) < 0) { - goto exit; + if (vectorized && + rte_kvargs_count(kvlist, VIRTIO_ARG_VECTORIZED) == 1) { + ret = rte_kvargs_process(kvlist, + VIRTIO_ARG_VECTORIZED, + vectorized_check_handler, vectorized); + if (ret < 0) { + PMD_INIT_LOG(ERR, "Failed to parse %s", + VIRTIO_ARG_VECTORIZED); + goto exit; + } } - ret = 1; exit: rte_kvargs_free(kvlist); @@ -1937,13 +2139,17 @@ exit: static int eth_virtio_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, struct rte_pci_device *pci_dev) { - if (rte_eal_iopl_init() != 0) { - PMD_INIT_LOG(ERR, "IOPL call failed - cannot use virtio PMD"); - return 1; - } + int vdpa = 0; + int ret = 0; + ret = virtio_dev_devargs_parse(pci_dev->device.devargs, &vdpa, NULL, + NULL); + if (ret < 0) { + PMD_INIT_LOG(ERR, "devargs parsing is failed"); + return ret; + } /* virtio pmd skips probe if device needs to work in vdpa mode */ - if (vdpa_mode_selected(pci_dev->device.devargs)) + if (vdpa == 1) return 1; return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct virtio_hw), @@ -1952,7 +2158,13 @@ static int eth_virtio_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, static int eth_virtio_pci_remove(struct rte_pci_device *pci_dev) { - return rte_eth_dev_pci_generic_remove(pci_dev, eth_virtio_dev_uninit); + int ret; + + ret = rte_eth_dev_pci_generic_remove(pci_dev, eth_virtio_dev_uninit); + /* Port has already been released by close. */ + if (ret == -ENODEV) + ret = 0; + return ret; } static struct rte_pci_driver rte_virtio_pmd = { @@ -2007,6 +2219,20 @@ virtio_dev_configure(struct rte_eth_dev *dev) PMD_INIT_LOG(DEBUG, "configure"); req_features = VIRTIO_PMD_DEFAULT_GUEST_FEATURES; + if (rxmode->mq_mode != ETH_MQ_RX_NONE) { + PMD_DRV_LOG(ERR, + "Unsupported Rx multi queue mode %d", + rxmode->mq_mode); + return -EINVAL; + } + + if (txmode->mq_mode != ETH_MQ_TX_NONE) { + PMD_DRV_LOG(ERR, + "Unsupported Tx multi queue mode %d", + txmode->mq_mode); + return -EINVAL; + } + if (dev->data->dev_conf.intr_conf.rxq) { ret = virtio_init_device(dev, hw->req_guest_features); if (ret < 0) @@ -2082,37 +2308,66 @@ virtio_dev_configure(struct rte_eth_dev *dev) return -EBUSY; } - rte_spinlock_init(&hw->state_lock); - - hw->use_simple_rx = 1; + if (vtpci_packed_queue(hw)) { +#if defined(RTE_ARCH_X86_64) && defined(CC_AVX512_SUPPORT) + if ((hw->use_vec_rx || hw->use_vec_tx) && + (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) || + !vtpci_with_feature(hw, VIRTIO_F_IN_ORDER) || + !vtpci_with_feature(hw, VIRTIO_F_VERSION_1))) { + PMD_DRV_LOG(INFO, + "disabled packed ring vectorized path for requirements not met"); + hw->use_vec_rx = 0; + hw->use_vec_tx = 0; + } +#else + hw->use_vec_rx = 0; + hw->use_vec_tx = 0; +#endif - if (vtpci_with_feature(hw, VIRTIO_F_IN_ORDER)) { - hw->use_inorder_tx = 1; - hw->use_inorder_rx = 1; - hw->use_simple_rx = 0; - } + if (hw->use_vec_rx) { + if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) { + PMD_DRV_LOG(INFO, + "disabled packed ring vectorized rx for mrg_rxbuf enabled"); + hw->use_vec_rx = 0; + } - if (vtpci_packed_queue(hw)) { - hw->use_simple_rx = 0; - hw->use_inorder_rx = 0; - } + if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO) { + PMD_DRV_LOG(INFO, + "disabled packed ring vectorized rx for TCP_LRO enabled"); + hw->use_vec_rx = 0; + } + } + } else { + if (vtpci_with_feature(hw, VIRTIO_F_IN_ORDER)) { + hw->use_inorder_tx = 1; + hw->use_inorder_rx = 1; + hw->use_vec_rx = 0; + } + if (hw->use_vec_rx) { #if defined RTE_ARCH_ARM64 || defined RTE_ARCH_ARM - if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON)) { - hw->use_simple_rx = 0; - } + if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON)) { + PMD_DRV_LOG(INFO, + "disabled split ring vectorized path for requirement not met"); + hw->use_vec_rx = 0; + } #endif - if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) { - hw->use_simple_rx = 0; - } - - if (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM | - DEV_RX_OFFLOAD_TCP_CKSUM | - DEV_RX_OFFLOAD_TCP_LRO | - DEV_RX_OFFLOAD_VLAN_STRIP)) - hw->use_simple_rx = 0; + if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) { + PMD_DRV_LOG(INFO, + "disabled split ring vectorized rx for mrg_rxbuf enabled"); + hw->use_vec_rx = 0; + } - hw->opened = true; + if (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM | + DEV_RX_OFFLOAD_TCP_CKSUM | + DEV_RX_OFFLOAD_TCP_LRO | + DEV_RX_OFFLOAD_VLAN_STRIP)) { + PMD_DRV_LOG(INFO, + "disabled split ring vectorized rx for offloading enabled"); + hw->use_vec_rx = 0; + } + } + } return 0; } @@ -2299,12 +2554,13 @@ virtio_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complet struct virtio_hw *hw = dev->data->dev_private; memset(&link, 0, sizeof(link)); - link.link_duplex = ETH_LINK_FULL_DUPLEX; - link.link_speed = ETH_SPEED_NUM_10G; - link.link_autoneg = ETH_LINK_FIXED; + link.link_duplex = hw->duplex; + link.link_speed = hw->speed; + link.link_autoneg = ETH_LINK_AUTONEG; if (!hw->started) { link.link_status = ETH_LINK_DOWN; + link.link_speed = ETH_SPEED_NUM_NONE; } else if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS)) { PMD_INIT_LOG(DEBUG, "Get link status from hw"); vtpci_read_dev_config(hw, @@ -2312,6 +2568,7 @@ virtio_dev_link_update(struct rte_eth_dev *dev, __rte_unused int wait_to_complet &status, sizeof(status)); if ((status & VIRTIO_NET_S_LINK_UP) == 0) { link.link_status = ETH_LINK_DOWN; + link.link_speed = ETH_SPEED_NUM_NONE; PMD_INIT_LOG(DEBUG, "Port %d is down", dev->data->port_id); } else { @@ -2350,13 +2607,12 @@ virtio_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask) return 0; } -static void +static int virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) { uint64_t tso_mask, host_features; struct virtio_hw *hw = dev->data->dev_private; - - dev_info->speed_capa = ETH_LINK_SPEED_10G; /* fake value */ + dev_info->speed_capa = virtio_dev_speed_capa_get(hw->speed); dev_info->max_rx_queues = RTE_MIN(hw->max_queue_pairs, VIRTIO_MAX_RX_QUEUES); @@ -2392,6 +2648,8 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) (1ULL << VIRTIO_NET_F_HOST_TSO6); if ((host_features & tso_mask) == tso_mask) dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO; + + return 0; } /* @@ -2408,13 +2666,5 @@ __rte_unused uint8_t is_rx) RTE_PMD_EXPORT_NAME(net_virtio, __COUNTER__); RTE_PMD_REGISTER_PCI_TABLE(net_virtio, pci_id_virtio_map); RTE_PMD_REGISTER_KMOD_DEP(net_virtio, "* igb_uio | uio_pci_generic | vfio-pci"); - -RTE_INIT(virtio_init_log) -{ - virtio_logtype_init = rte_log_register("pmd.net.virtio.init"); - if (virtio_logtype_init >= 0) - rte_log_set_level(virtio_logtype_init, RTE_LOG_NOTICE); - virtio_logtype_driver = rte_log_register("pmd.net.virtio.driver"); - if (virtio_logtype_driver >= 0) - rte_log_set_level(virtio_logtype_driver, RTE_LOG_NOTICE); -} +RTE_LOG_REGISTER(virtio_logtype_init, pmd.net.virtio.init, NOTICE); +RTE_LOG_REGISTER(virtio_logtype_driver, pmd.net.virtio.driver, NOTICE);