net/i40e: add support for representor ports

[dpdk.git] / drivers / net / i40e / i40e_ethdev.c

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 685b9ca..afa9a1c 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -214,7 +214,7 @@
 /* Bit mask of Extended Tag enable/disable */
 #define PCI_DEV_CTRL_EXT_TAG_MASK  (1 << PCI_DEV_CTRL_EXT_TAG_SHIFT)
 
-static int eth_i40e_dev_init(struct rte_eth_dev *eth_dev);
+static int eth_i40e_dev_init(struct rte_eth_dev *eth_dev, void *init_params);
 static int eth_i40e_dev_uninit(struct rte_eth_dev *eth_dev);
 static int i40e_dev_configure(struct rte_eth_dev *dev);
 static int i40e_dev_start(struct rte_eth_dev *dev);
@@ -615,16 +615,76 @@ static const struct rte_i40e_xstats_name_off rte_i40e_txq_prio_strings[] = {
 #define I40E_NB_TXQ_PRIO_XSTATS (sizeof(rte_i40e_txq_prio_strings) / \
                sizeof(rte_i40e_txq_prio_strings[0]))
 
-static int eth_i40e_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+static int
+eth_i40e_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
        struct rte_pci_device *pci_dev)
 {
-       return rte_eth_dev_pci_generic_probe(pci_dev,
-               sizeof(struct i40e_adapter), eth_i40e_dev_init);
+       char name[RTE_ETH_NAME_MAX_LEN];
+       struct rte_eth_devargs eth_da = { .nb_representor_ports = 0 };
+       int i, retval;
+
+       if (pci_dev->device.devargs) {
+               retval = rte_eth_devargs_parse(pci_dev->device.devargs->args,
+                               &eth_da);
+               if (retval)
+                       return retval;
+       }
+
+       /* physical port net_bdf_port */
+       snprintf(name, sizeof(name), "net_%s", pci_dev->device.name);
+
+       retval = rte_eth_dev_create(&pci_dev->device, name,
+               sizeof(struct i40e_adapter),
+               eth_dev_pci_specific_init, pci_dev,
+               eth_i40e_dev_init, NULL);
+
+       if (retval || eth_da.nb_representor_ports < 1)
+               return retval;
+
+       /* probe VF representor ports */
+       struct rte_eth_dev *pf_ethdev = rte_eth_dev_allocated(name);
+
+       if (pf_ethdev == NULL)
+               return -ENODEV;
+
+       for (i = 0; i < eth_da.nb_representor_ports; i++) {
+               struct i40e_vf_representor representor = {
+                       .vf_id = eth_da.representor_ports[i],
+                       .switch_domain_id = I40E_DEV_PRIVATE_TO_PF(
+                               pf_ethdev->data->dev_private)->switch_domain_id,
+                       .adapter = I40E_DEV_PRIVATE_TO_ADAPTER(
+                               pf_ethdev->data->dev_private)
+               };
+
+               /* representor port net_bdf_port */
+               snprintf(name, sizeof(name), "net_%s_representor_%d",
+                       pci_dev->device.name, eth_da.representor_ports[i]);
+
+               retval = rte_eth_dev_create(&pci_dev->device, name,
+                       sizeof(struct i40e_vf_representor), NULL, NULL,
+                       i40e_vf_representor_init, &representor);
+
+               if (retval)
+                       PMD_DRV_LOG(ERR, "failed to create i40e vf "
+                               "representor %s.", name);
+       }
+
+       return 0;
 }
 
 static int eth_i40e_pci_remove(struct rte_pci_device *pci_dev)
 {
-       return rte_eth_dev_pci_generic_remove(pci_dev, eth_i40e_dev_uninit);
+       struct rte_eth_dev *ethdev;
+
+       ethdev = rte_eth_dev_allocated(pci_dev->device.name);
+       if (!ethdev)
+               return -ENODEV;
+
+
+       if (ethdev->data->dev_flags & RTE_ETH_DEV_REPRESENTOR)
+               return rte_eth_dev_destroy(ethdev, i40e_vf_representor_uninit);
+       else
+               return rte_eth_dev_destroy(ethdev, eth_i40e_dev_uninit);
 }
 
 static struct rte_pci_driver rte_i40e_pmd = {
@@ -1098,7 +1158,7 @@ i40e_support_multi_driver(struct rte_eth_dev *dev)
 }
 
 static int
-eth_i40e_dev_init(struct rte_eth_dev *dev)
+eth_i40e_dev_init(struct rte_eth_dev *dev, void *init_params __rte_unused)
 {
        struct rte_pci_device *pci_dev;
        struct rte_intr_handle *intr_handle;
@@ -1525,6 +1585,10 @@ eth_i40e_dev_uninit(struct rte_eth_dev *dev)
        pci_dev = RTE_ETH_DEV_TO_PCI(dev);
        intr_handle = &pci_dev->intr_handle;
 
+       ret = rte_eth_switch_domain_free(pf->switch_domain_id);
+       if (ret)
+               PMD_INIT_LOG(WARNING, "failed to free switch domain: %d", ret);
+
        if (hw->adapter_stopped == 0)
                i40e_dev_close(dev);
 
@@ -2331,7 +2395,7 @@ i40e_dev_reset(struct rte_eth_dev *dev)
        if (ret)
                return ret;
 
-       ret = eth_i40e_dev_init(dev);
+       ret = eth_i40e_dev_init(dev, NULL);
 
        return ret;
 }
@@ -5760,6 +5824,12 @@ i40e_pf_setup(struct i40e_pf *pf)
                PMD_DRV_LOG(ERR, "Could not get switch config, err %d", ret);
                return ret;
        }
+
+       ret = rte_eth_switch_domain_alloc(&pf->switch_domain_id);
+       if (ret)
+               PMD_INIT_LOG(WARNING,
+                       "failed to allocate switch domain for device %d", ret);
+
        if (pf->flags & I40E_FLAG_FDIR) {
                /* make queue allocated first, let FDIR use queue pair 0*/
                ret = i40e_res_pool_alloc(&pf->qp_pool, I40E_DEFAULT_QP_NUM_FDIR);