net/ixgbe: add support for representor ports

[dpdk.git] / drivers / net / ixgbe / ixgbe_ethdev.c

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 98a7875..6088c7e 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -129,7 +129,7 @@
 #define IXGBE_EXVET_VET_EXT_SHIFT              16
 #define IXGBE_DMATXCTL_VT_MASK                 0xFFFF0000
 
-static int eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev);
+static int eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params);
 static int eth_ixgbe_dev_uninit(struct rte_eth_dev *eth_dev);
 static int ixgbe_fdir_filter_init(struct rte_eth_dev *eth_dev);
 static int ixgbe_fdir_filter_uninit(struct rte_eth_dev *eth_dev);
@@ -1047,7 +1047,7 @@ ixgbe_swfw_lock_reset(struct ixgbe_hw *hw)
  * It returns 0 on success.
  */
 static int
-eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev)
+eth_ixgbe_dev_init(struct rte_eth_dev *eth_dev, void *init_params __rte_unused)
 {
        struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
        struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
@@ -1720,16 +1720,81 @@ eth_ixgbevf_dev_uninit(struct rte_eth_dev *eth_dev)
        return 0;
 }
 
-static int eth_ixgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
-       struct rte_pci_device *pci_dev)
+static int
+eth_ixgbe_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 ixgbe_adapter), eth_ixgbe_dev_init);
+       char name[RTE_ETH_NAME_MAX_LEN];
+
+       struct rte_eth_devargs eth_da;
+       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_%d", pci_dev->device.name, 0);
+
+       retval = rte_eth_dev_create(&pci_dev->device, name,
+               sizeof(struct ixgbe_adapter),
+               eth_dev_pci_specific_init, pci_dev,
+               eth_ixgbe_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);
+
+       for (i = 0; i < eth_da.nb_representor_ports; i++) {
+               struct ixgbe_vf_info *vfinfo;
+               struct ixgbe_vf_representor representor;
+
+               vfinfo = *IXGBE_DEV_PRIVATE_TO_P_VFDATA(
+                       pf_ethdev->data->dev_private);
+               if (vfinfo == NULL) {
+                       PMD_DRV_LOG(ERR,
+                               "no virtual functions supported by PF");
+                       break;
+               }
+
+               representor.vf_id = eth_da.representor_ports[i];
+               representor.switch_domain_id = vfinfo->switch_domain_id;
+               representor.pf_ethdev = pf_ethdev;
+
+               /* 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 ixgbe_vf_representor), NULL, NULL,
+                       ixgbe_vf_representor_init, &representor);
+
+               if (retval)
+                       PMD_DRV_LOG(ERR, "failed to create ixgbe vf "
+                               "representor %s.", name);
+       }
+
+       return 0;
 }
 
 static int eth_ixgbe_pci_remove(struct rte_pci_device *pci_dev)
 {
-       return rte_eth_dev_pci_generic_remove(pci_dev, eth_ixgbe_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, ixgbe_vf_representor_uninit);
+       else
+               return rte_eth_dev_destroy(ethdev, eth_ixgbe_dev_uninit);
 }
 
 static struct rte_pci_driver rte_ixgbe_pmd = {
@@ -2872,7 +2937,7 @@ ixgbe_dev_reset(struct rte_eth_dev *dev)
        if (ret)
                return ret;
 
-       ret = eth_ixgbe_dev_init(dev);
+       ret = eth_ixgbe_dev_init(dev, NULL);
 
        return ret;
 }
@@ -3887,7 +3952,7 @@ out:
 }
 
 /* return 0 means link status changed, -1 means not changed */
-static int
+int
 ixgbe_dev_link_update_share(struct rte_eth_dev *dev,
                            int wait_to_complete, int vf)
 {