net/virtio: support modern device id

[dpdk.git] / drivers / net / virtio / virtio_ethdev.c

diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index ef0d6ee..2232dfe 100644 (file)
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -103,7 +103,8 @@ static int virtio_dev_queue_stats_mapping_set(
  * The set of PCI devices this driver supports
  */
 static const struct rte_pci_id pci_id_virtio_map[] = {
-       { RTE_PCI_DEVICE(VIRTIO_PCI_VENDORID, VIRTIO_PCI_DEVICEID_MIN) },
+       { RTE_PCI_DEVICE(VIRTIO_PCI_VENDORID, VIRTIO_PCI_LEGACY_DEVICEID_NET) },
+       { RTE_PCI_DEVICE(VIRTIO_PCI_VENDORID, VIRTIO_PCI_MODERN_DEVICEID_NET) },
        { .vendor_id = 0, /* sentinel */ },
 };
 
@@ -125,8 +126,8 @@ static const struct rte_virtio_xstats_name_off rte_virtio_rxq_stat_strings[] = {
        {"size_128_255_packets",   offsetof(struct virtnet_rx, stats.size_bins[3])},
        {"size_256_511_packets",   offsetof(struct virtnet_rx, stats.size_bins[4])},
        {"size_512_1023_packets",  offsetof(struct virtnet_rx, stats.size_bins[5])},
-       {"size_1024_1517_packets", offsetof(struct virtnet_rx, stats.size_bins[6])},
-       {"size_1518_max_packets",  offsetof(struct virtnet_rx, stats.size_bins[7])},
+       {"size_1024_1518_packets", offsetof(struct virtnet_rx, stats.size_bins[6])},
+       {"size_1519_max_packets",  offsetof(struct virtnet_rx, stats.size_bins[7])},
 };
 
 /* [rt]x_qX_ is prepended to the name string here */
@@ -142,8 +143,8 @@ static const struct rte_virtio_xstats_name_off rte_virtio_txq_stat_strings[] = {
        {"size_128_255_packets",   offsetof(struct virtnet_tx, stats.size_bins[3])},
        {"size_256_511_packets",   offsetof(struct virtnet_tx, stats.size_bins[4])},
        {"size_512_1023_packets",  offsetof(struct virtnet_tx, stats.size_bins[5])},
-       {"size_1024_1517_packets", offsetof(struct virtnet_tx, stats.size_bins[6])},
-       {"size_1518_max_packets",  offsetof(struct virtnet_tx, stats.size_bins[7])},
+       {"size_1024_1518_packets", offsetof(struct virtnet_tx, stats.size_bins[6])},
+       {"size_1519_max_packets",  offsetof(struct virtnet_tx, stats.size_bins[7])},
 };
 
 #define VIRTIO_NB_RXQ_XSTATS (sizeof(rte_virtio_rxq_stat_strings) / \
@@ -652,6 +653,23 @@ virtio_dev_allmulticast_disable(struct rte_eth_dev *dev)
                PMD_INIT_LOG(ERR, "Failed to disable allmulticast");
 }
 
+#define VLAN_TAG_LEN           4    /* 802.3ac tag (not DMA'd) */
+static int
+virtio_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+       struct virtio_hw *hw = dev->data->dev_private;
+       uint32_t ether_hdr_len = ETHER_HDR_LEN + VLAN_TAG_LEN +
+                                hw->vtnet_hdr_size;
+       uint32_t frame_size = mtu + ether_hdr_len;
+
+       if (mtu < ETHER_MIN_MTU || frame_size > VIRTIO_MAX_RX_PKTLEN) {
+               PMD_INIT_LOG(ERR, "MTU should be between %d and %d\n",
+                       ETHER_MIN_MTU, VIRTIO_MAX_RX_PKTLEN - ether_hdr_len);
+               return -EINVAL;
+       }
+       return 0;
+}
+
 /*
  * dev_ops for virtio, bare necessities for basic operation
  */
@@ -664,7 +682,7 @@ static const struct eth_dev_ops virtio_eth_dev_ops = {
        .promiscuous_disable     = virtio_dev_promiscuous_disable,
        .allmulticast_enable     = virtio_dev_allmulticast_enable,
        .allmulticast_disable    = virtio_dev_allmulticast_disable,
-
+       .mtu_set                 = virtio_mtu_set,
        .dev_infos_get           = virtio_dev_info_get,
        .stats_get               = virtio_dev_stats_get,
        .xstats_get              = virtio_dev_xstats_get,
@@ -1304,32 +1322,29 @@ eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev)
 
 static struct eth_driver rte_virtio_pmd = {
        .pci_drv = {
-               .name = "rte_virtio_pmd",
+               .driver = {
+                       .name = "net_virtio",
+               },
                .id_table = pci_id_virtio_map,
                .drv_flags = RTE_PCI_DRV_DETACHABLE,
+               .probe = rte_eth_dev_pci_probe,
+               .remove = rte_eth_dev_pci_remove,
        },
        .eth_dev_init = eth_virtio_dev_init,
        .eth_dev_uninit = eth_virtio_dev_uninit,
        .dev_private_size = sizeof(struct virtio_hw),
 };
 
-/*
- * Driver initialization routine.
- * Invoked once at EAL init time.
- * Register itself as the [Poll Mode] Driver of PCI virtio devices.
- * Returns 0 on success.
- */
-static int
-rte_virtio_pmd_init(const char *name __rte_unused,
-                   const char *param __rte_unused)
+RTE_INIT(rte_virtio_pmd_init);
+static void
+rte_virtio_pmd_init(void)
 {
        if (rte_eal_iopl_init() != 0) {
                PMD_INIT_LOG(ERR, "IOPL call failed - cannot use virtio PMD");
-               return -1;
+               return;
        }
 
-       rte_eth_driver_register(&rte_virtio_pmd);
-       return 0;
+       rte_eal_pci_register(&rte_virtio_pmd.pci_drv);
 }
 
 /*
@@ -1539,7 +1554,7 @@ virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
        struct virtio_hw *hw = dev->data->dev_private;
 
        if (dev->pci_dev)
-               dev_info->driver_name = dev->driver->pci_drv.name;
+               dev_info->driver_name = dev->driver->pci_drv.driver.name;
        else
                dev_info->driver_name = "virtio_user PMD";
        dev_info->max_rx_queues = (uint16_t)hw->max_rx_queues;
@@ -1563,10 +1578,5 @@ __rte_unused uint8_t is_rx)
        return 0;
 }
 
-static struct rte_driver rte_virtio_driver = {
-       .type = PMD_PDEV,
-       .init = rte_virtio_pmd_init,
-};
-
-PMD_REGISTER_DRIVER(rte_virtio_driver, net_virtio);
+DRIVER_EXPORT_NAME(net_virtio, __COUNTER__);
 DRIVER_REGISTER_PCI_TABLE(net_virtio, pci_id_virtio_map);