/* check and configure queue intr-vector mapping */
if (dev->data->dev_conf.intr_conf.rxq != 0) {
+ if (hw->pf_multiport_enabled) {
+ PMD_INIT_LOG(ERR, "PMD rx interrupt is not supported "
+ "with NFP multiport PF");
+ return -EINVAL;
+ }
if (intr_handle->type == RTE_INTR_HANDLE_UIO) {
/*
* Better not to share LSC with RX interrupts.
.rx_queue_intr_disable = nfp_rx_queue_intr_disable,
};
+/*
+ * All eth_dev created got its private data, but before nfp_net_init, that
+ * private data is referencing private data for all the PF ports. This is due
+ * to how the vNIC bars are mapped based on first port, so all ports need info
+ * about port 0 private data. Inside nfp_net_init the private data pointer is
+ * changed to the right address for each port once the bars have been mapped.
+ *
+ * This functions helps to find out which port and therefore which offset
+ * inside the private data array to use.
+ */
+static int
+get_pf_port_number(char *name)
+{
+ char *pf_str = name;
+ int size = 0;
+
+ while ((*pf_str != '_') && (*pf_str != '\0') && (size++ < 30))
+ pf_str++;
+
+ if (size == 30)
+ /*
+ * This should not happen at all and it would mean major
+ * implementation fault.
+ */
+ rte_panic("nfp_net: problem with pf device name\n");
+
+ /* Expecting _portX with X within [0,7] */
+ pf_str += 5;
+
+ return (int)strtol(pf_str, NULL, 10);
+}
+
static int
nfp_net_init(struct rte_eth_dev *eth_dev)
{
struct rte_pci_device *pci_dev;
- struct nfp_net_hw *hw;
+ struct nfp_net_hw *hw, *hwport0;
uint64_t tx_bar_off = 0, rx_bar_off = 0;
uint32_t start_q;
nspu_desc_t *nspu_desc = NULL;
uint64_t bar_offset;
+ int port = 0;
PMD_INIT_FUNC_TRACE();
- hw = NFP_NET_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+ pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+
+ if ((pci_dev->id.device_id == PCI_DEVICE_ID_NFP4000_PF_NIC) ||
+ (pci_dev->id.device_id == PCI_DEVICE_ID_NFP6000_PF_NIC)) {
+ port = get_pf_port_number(eth_dev->data->name);
+ if (port < 0 || port > 7) {
+ RTE_LOG(ERR, PMD, "Port value is wrong\n");
+ return -ENODEV;
+ }
+
+ PMD_INIT_LOG(DEBUG, "Working with PF port value %d\n", port);
+
+ /* This points to port 0 private data */
+ hwport0 = NFP_NET_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+
+ /* This points to the specific port private data */
+ hw = &hwport0[port];
+ hw->pf_port_idx = port;
+ } else {
+ hw = NFP_NET_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+ hwport0 = 0;
+ }
eth_dev->dev_ops = &nfp_net_eth_dev_ops;
eth_dev->rx_pkt_burst = &nfp_net_recv_pkts;
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
- pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
rte_eth_copy_pci_info(eth_dev, pci_dev);
- eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
+ /* hotplug is not possible with multiport PF */
+ if (!hw->pf_multiport_enabled)
+ eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
hw->device_id = pci_dev->id.device_id;
hw->vendor_id = pci_dev->id.vendor_id;
return -ENODEV;
}
- /* Is this a PF device? */
- if ((pci_dev->id.device_id == PCI_DEVICE_ID_NFP4000_PF_NIC) ||
- (pci_dev->id.device_id == PCI_DEVICE_ID_NFP6000_PF_NIC)) {
+ if (hw->is_pf && port == 0) {
nspu_desc = hw->nspu_desc;
if (nfp_nsp_map_ctrl_bar(nspu_desc, &bar_offset) != 0) {
PMD_INIT_LOG(DEBUG, "ctrl bar: %p\n", hw->ctrl_bar);
}
+ if (port > 0) {
+ if (!hwport0->ctrl_bar)
+ return -ENODEV;
+
+ /* address based on port0 offset */
+ hw->ctrl_bar = hwport0->ctrl_bar +
+ (port * NFP_PF_CSR_SLICE_SIZE);
+ }
+
+ PMD_INIT_LOG(DEBUG, "ctrl bar: %p\n", hw->ctrl_bar);
+
hw->max_rx_queues = nn_cfg_readl(hw, NFP_NET_CFG_MAX_RXRINGS);
hw->max_tx_queues = nn_cfg_readl(hw, NFP_NET_CFG_MAX_TXRINGS);
PMD_INIT_LOG(DEBUG, "tx_bar_off: 0x%" PRIx64 "\n", tx_bar_off);
PMD_INIT_LOG(DEBUG, "rx_bar_off: 0x%" PRIx64 "\n", rx_bar_off);
- if ((pci_dev->id.device_id == PCI_DEVICE_ID_NFP4000_PF_NIC) ||
- (pci_dev->id.device_id == PCI_DEVICE_ID_NFP6000_PF_NIC)) {
+ if (hw->is_pf && port == 0) {
/* configure access to tx/rx vNIC BARs */
nfp_nsp_map_queues_bar(nspu_desc, &bar_offset);
PMD_INIT_LOG(DEBUG, "tx/rx bar_offset: %" PRIx64 "\n",
bar_offset);
- hw->hw_queues = (uint8_t *)pci_dev->mem_resource[0].addr;
+ hwport0->hw_queues = (uint8_t *)pci_dev->mem_resource[0].addr;
/* vNIC PF tx/rx BARs are a subset of PF PCI device */
- hw->hw_queues += bar_offset;
- hw->tx_bar = hw->hw_queues + tx_bar_off;
- hw->rx_bar = hw->hw_queues + rx_bar_off;
+ hwport0->hw_queues += bar_offset;
+ }
+
+ if (hw->is_pf) {
+ hw->tx_bar = hwport0->hw_queues + tx_bar_off;
+ hw->rx_bar = hwport0->hw_queues + rx_bar_off;
+ eth_dev->data->dev_private = hw;
} else {
hw->tx_bar = (uint8_t *)pci_dev->mem_resource[2].addr +
tx_bar_off;
return 0;
}
-static int nfp_pf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
- struct rte_pci_device *dev)
+static int
+nfp_pf_create_dev(struct rte_pci_device *dev, int port, int ports,
+ nfpu_desc_t *nfpu_desc, void **priv)
{
struct rte_eth_dev *eth_dev;
struct nfp_net_hw *hw;
+ char *port_name;
+ int ret;
+
+ port_name = rte_zmalloc("nfp_pf_port_name", 100, 0);
+ if (!port_name)
+ return -ENOMEM;
+
+ if (ports > 1)
+ sprintf(port_name, "%s_port%d", dev->device.name, port);
+ else
+ sprintf(port_name, "%s", dev->device.name);
+
+ eth_dev = rte_eth_dev_allocate(port_name);
+ if (!eth_dev)
+ return -ENOMEM;
+
+ if (port == 0) {
+ *priv = rte_zmalloc(port_name,
+ sizeof(struct nfp_net_adapter) * ports,
+ RTE_CACHE_LINE_SIZE);
+ if (!*priv) {
+ rte_eth_dev_release_port(eth_dev);
+ return -ENOMEM;
+ }
+ }
+
+ eth_dev->data->dev_private = *priv;
+
+ /*
+ * dev_private pointing to port0 dev_private because we need
+ * to configure vNIC bars based on port0 at nfp_net_init.
+ * Then dev_private is adjusted per port.
+ */
+ hw = (struct nfp_net_hw *)(eth_dev->data->dev_private) + port;
+ hw->nspu_desc = nfpu_desc->nspu;
+ hw->nfpu_desc = nfpu_desc;
+ hw->is_pf = 1;
+ if (ports > 1)
+ hw->pf_multiport_enabled = 1;
+
+ eth_dev->device = &dev->device;
+ rte_eth_copy_pci_info(eth_dev, dev);
+
+ ret = nfp_net_init(eth_dev);
+
+ if (ret)
+ rte_eth_dev_release_port(eth_dev);
+
+ rte_free(port_name);
+
+ return ret;
+}
+
+static int nfp_pf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ struct rte_pci_device *dev)
+{
nfpu_desc_t *nfpu_desc;
nspu_desc_t *nspu_desc;
uint64_t offset_symbol;
+ uint8_t *bar_offset;
int major, minor;
+ int total_ports;
+ void *priv = 0;
int ret = -ENODEV;
+ int i;
if (!dev)
return ret;
if (ret)
goto error;
- eth_dev = rte_eth_dev_allocate(dev->device.name);
- if (!eth_dev) {
- ret = -ENODEV;
- goto error;
- }
+ bar_offset = (uint8_t *)dev->mem_resource[0].addr;
+ bar_offset += offset_symbol;
+ total_ports = (uint32_t)*bar_offset;
+ PMD_INIT_LOG(INFO, "Total pf ports: %d\n", total_ports);
- eth_dev->data->dev_private = rte_zmalloc("nfp_pf_port",
- sizeof(struct nfp_net_adapter),
- RTE_CACHE_LINE_SIZE);
- if (!eth_dev->data->dev_private) {
- rte_eth_dev_release_port(eth_dev);
+ if (total_ports <= 0 || total_ports > 8) {
+ RTE_LOG(ERR, PMD, "nfd_cfg_pf0_num_ports symbol with wrong value");
ret = -ENODEV;
goto error;
}
- hw = (struct nfp_net_hw *)(eth_dev->data->dev_private);
- hw->nspu_desc = nspu_desc;
- hw->nfpu_desc = nfpu_desc;
- hw->is_pf = 1;
-
- eth_dev->device = &dev->device;
- rte_eth_copy_pci_info(eth_dev, dev);
-
- ret = nfp_net_init(eth_dev);
-
- if (!ret)
- return 0;
+ for (i = 0; i < total_ports; i++) {
+ ret = nfp_pf_create_dev(dev, i, total_ports, nfpu_desc, &priv);
+ if (ret)
+ goto error;
+ }
- /* something went wrong */
- rte_eth_dev_release_port(eth_dev);
+ return 0;
error:
nfpu_close(nfpu_desc);
git.droids-corp.org / dpdk.git / blobdiff