eth_dev->rx_pkt_burst = &virtio_recv_pkts;
}
- if (hw->use_simple_tx) {
- PMD_INIT_LOG(INFO, "virtio: using simple Tx path on port %u",
- eth_dev->data->port_id);
- eth_dev->tx_pkt_burst = virtio_xmit_pkts_simple;
- } else if (hw->use_inorder_tx) {
+ if (hw->use_inorder_tx) {
PMD_INIT_LOG(INFO, "virtio: using inorder Tx path on port %u",
eth_dev->data->port_id);
eth_dev->tx_pkt_burst = virtio_xmit_pkts_inorder;
if (ret < 0)
goto out;
- /* Setup interrupt callback */
- if (eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
- rte_intr_callback_register(eth_dev->intr_handle,
- virtio_interrupt_handler, eth_dev);
-
return 0;
out:
PMD_INIT_FUNC_TRACE();
if (rte_eal_process_type() == RTE_PROC_SECONDARY)
- return -EPERM;
+ return 0;
virtio_dev_stop(eth_dev);
virtio_dev_close(eth_dev);
eth_dev->tx_pkt_burst = NULL;
eth_dev->rx_pkt_burst = NULL;
- rte_free(eth_dev->data->mac_addrs);
- eth_dev->data->mac_addrs = NULL;
-
- /* reset interrupt callback */
- if (eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
- rte_intr_callback_unregister(eth_dev->intr_handle,
- virtio_interrupt_handler,
- eth_dev);
if (eth_dev->device)
rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev));
.remove = eth_virtio_pci_remove,
};
-RTE_INIT(rte_virtio_pmd_init);
-static void
-rte_virtio_pmd_init(void)
+RTE_INIT(rte_virtio_pmd_init)
{
if (rte_eal_iopl_init() != 0) {
PMD_INIT_LOG(ERR, "IOPL call failed - cannot use virtio PMD");
rte_pci_register(&rte_virtio_pmd);
}
+static bool
+rx_offload_enabled(struct virtio_hw *hw)
+{
+ return vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_CSUM) ||
+ vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_TSO4) ||
+ vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_TSO6);
+}
+
+static bool
+tx_offload_enabled(struct virtio_hw *hw)
+{
+ return vtpci_with_feature(hw, VIRTIO_NET_F_CSUM) ||
+ vtpci_with_feature(hw, VIRTIO_NET_F_HOST_TSO4) ||
+ vtpci_with_feature(hw, VIRTIO_NET_F_HOST_TSO6);
+}
+
/*
* Configure virtio device
* It returns 0 on success.
virtio_dev_configure(struct rte_eth_dev *dev)
{
const struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+ const struct rte_eth_txmode *txmode = &dev->data->dev_conf.txmode;
struct virtio_hw *hw = dev->data->dev_private;
uint64_t rx_offloads = rxmode->offloads;
+ uint64_t tx_offloads = txmode->offloads;
uint64_t req_features;
int ret;
(1ULL << VIRTIO_NET_F_GUEST_TSO4) |
(1ULL << VIRTIO_NET_F_GUEST_TSO6);
+ if (tx_offloads & (DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM))
+ req_features |= (1ULL << VIRTIO_NET_F_CSUM);
+
+ if (tx_offloads & DEV_TX_OFFLOAD_TCP_TSO)
+ req_features |=
+ (1ULL << VIRTIO_NET_F_HOST_TSO4) |
+ (1ULL << VIRTIO_NET_F_HOST_TSO6);
+
/* if request features changed, reinit the device */
if (req_features != hw->req_guest_features) {
ret = virtio_init_device(dev, req_features);
return -ENOTSUP;
}
+ hw->has_tx_offload = tx_offload_enabled(hw);
+ hw->has_rx_offload = rx_offload_enabled(hw);
+
if (dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
/* Enable vector (0) for Link State Intrerrupt */
if (VTPCI_OPS(hw)->set_config_irq(hw, 0) ==
rte_spinlock_init(&hw->state_lock);
hw->use_simple_rx = 1;
- hw->use_simple_tx = 1;
if (vtpci_with_feature(hw, VIRTIO_F_IN_ORDER)) {
- /* Simple Tx not compatible with in-order ring */
hw->use_inorder_tx = 1;
- hw->use_simple_tx = 0;
if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
hw->use_inorder_rx = 1;
hw->use_simple_rx = 0;
#if defined RTE_ARCH_ARM64 || defined RTE_ARCH_ARM
if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON)) {
hw->use_simple_rx = 0;
- hw->use_simple_tx = 0;
}
#endif
if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
hw->use_simple_rx = 0;
- hw->use_simple_tx = 0;
}
if (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM |
- DEV_RX_OFFLOAD_TCP_CKSUM))
+ DEV_RX_OFFLOAD_TCP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_LRO |
+ DEV_RX_OFFLOAD_VLAN_STRIP))
hw->use_simple_rx = 0;
return 0;
dev->data->dev_conf.intr_conf.rxq) {
virtio_intr_disable(dev);
+ /* Setup interrupt callback */
+ if (dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
+ rte_intr_callback_register(dev->intr_handle,
+ virtio_interrupt_handler,
+ dev);
+
if (virtio_intr_enable(dev) < 0) {
PMD_DRV_LOG(ERR, "interrupt enable failed");
return -EIO;
PMD_INIT_LOG(DEBUG, "stop");
rte_spinlock_lock(&hw->state_lock);
- if (intr_conf->lsc || intr_conf->rxq)
+ if (intr_conf->lsc || intr_conf->rxq) {
virtio_intr_disable(dev);
+ /* Reset interrupt callback */
+ if (dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC) {
+ rte_intr_callback_unregister(dev->intr_handle,
+ virtio_interrupt_handler,
+ dev);
+ }
+ }
+
hw->started = 0;
memset(&link, 0, sizeof(link));
rte_eth_linkstatus_set(dev, &link);
dev_info->min_rx_bufsize = VIRTIO_MIN_RX_BUFSIZE;
dev_info->max_rx_pktlen = VIRTIO_MAX_RX_PKTLEN;
dev_info->max_mac_addrs = VIRTIO_MAX_MAC_ADDRS;
- dev_info->default_txconf = (struct rte_eth_txconf) {
- .txq_flags = ETH_TXQ_FLAGS_NOOFFLOADS
- };
host_features = VTPCI_OPS(hw)->get_features(hw);
- dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP |
- DEV_RX_OFFLOAD_CRC_STRIP;
+ dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
if (host_features & (1ULL << VIRTIO_NET_F_GUEST_CSUM)) {
dev_info->rx_offload_capa |=
DEV_RX_OFFLOAD_TCP_CKSUM |
dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MULTI_SEGS |
DEV_TX_OFFLOAD_VLAN_INSERT;
- if (hw->guest_features & (1ULL << VIRTIO_NET_F_CSUM)) {
+ if (host_features & (1ULL << VIRTIO_NET_F_CSUM)) {
dev_info->tx_offload_capa |=
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM;
}
tso_mask = (1ULL << VIRTIO_NET_F_HOST_TSO4) |
(1ULL << VIRTIO_NET_F_HOST_TSO6);
- if ((hw->guest_features & tso_mask) == tso_mask)
+ if ((host_features & tso_mask) == tso_mask)
dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
}
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);
-static void
-virtio_init_log(void)
+RTE_INIT(virtio_init_log)
{
virtio_logtype_init = rte_log_register("pmd.net.virtio.init");
if (virtio_logtype_init >= 0)
git.droids-corp.org / dpdk.git / blobdiff