i40e: rework fdir setup and teardown

Use the newer i40e_vsi_open() and i40e_vsi_close() in the FDIR VSI
lifetime.  This makes sure we're using standard methods for all the
VSI open and close paths.  This also fixes a memory leak of the
FDIR queue buffer info structs across a reset.

Change-ID: I1b60a1b08ab923afe4f49810c2c7844d850e19b9
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 7bbecf8..8392796 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -4335,6 +4335,11 @@ int i40e_vsi_open(struct i40e_vsi *vsi)
                                                   vsi->num_queue_pairs);
                if (err)
                        goto err_set_queues;
+
+       } else if (vsi->type == I40E_VSI_FDIR) {
+               snprintf(int_name, sizeof(int_name) - 1, "%s-fdir",
+                        dev_driver_string(&pf->pdev->dev));
+               err = i40e_vsi_request_irq(vsi, int_name);
        } else {
                err = EINVAL;
                goto err_setup_rx;
@@ -5269,8 +5274,7 @@ static int i40e_vsi_clear(struct i40e_vsi *vsi);
 static void i40e_fdir_sb_setup(struct i40e_pf *pf)
 {
        struct i40e_vsi *vsi;
-       bool new_vsi = false;
-       int err, i;
+       int i;
 
        if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
                return;
@@ -5290,47 +5294,12 @@ static void i40e_fdir_sb_setup(struct i40e_pf *pf)
                                     pf->vsi[pf->lan_vsi]->seid, 0);
                if (!vsi) {
                        dev_info(&pf->pdev->dev, "Couldn't create FDir VSI\n");
-                       goto err_vsi;
+                       pf->flags &= ~I40E_FLAG_FD_SB_ENABLED;
+                       return;
                }
-               new_vsi = true;
        }
-       i40e_vsi_setup_irqhandler(vsi, i40e_fdir_clean_ring);
-
-       err = i40e_vsi_setup_tx_resources(vsi);
-       if (err)
-               goto err_setup_tx;
-       err = i40e_vsi_setup_rx_resources(vsi);
-       if (err)
-               goto err_setup_rx;
 
-       if (new_vsi) {
-               char int_name[IFNAMSIZ + 9];
-               err = i40e_vsi_configure(vsi);
-               if (err)
-                       goto err_setup_rx;
-               snprintf(int_name, sizeof(int_name) - 1, "%s-fdir",
-                        dev_driver_string(&pf->pdev->dev));
-               err = i40e_vsi_request_irq(vsi, int_name);
-               if (err)
-                       goto err_setup_rx;
-               err = i40e_up_complete(vsi);
-               if (err)
-                       goto err_up_complete;
-               clear_bit(__I40E_NEEDS_RESTART, &vsi->state);
-       }
-
-       return;
-
-err_up_complete:
-       i40e_down(vsi);
-       i40e_vsi_free_irq(vsi);
-err_setup_rx:
-       i40e_vsi_free_rx_resources(vsi);
-err_setup_tx:
-       i40e_vsi_free_tx_resources(vsi);
-err_vsi:
-       pf->flags &= ~I40E_FLAG_FD_SB_ENABLED;
-       i40e_vsi_clear(vsi);
+       i40e_vsi_setup_irqhandler(vsi, i40e_fdir_clean_ring);
 }
 
 /**
@@ -8184,6 +8153,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        u16 link_status;
        int err = 0;
        u32 len;
+       u32 i;
 
        err = pci_enable_device_mem(pdev);
        if (err)
@@ -8373,6 +8343,13 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                dev_info(&pdev->dev, "setup_pf_switch failed: %d\n", err);
                goto err_vsis;
        }
+       /* if FDIR VSI was set up, start it now */
+       for (i = 0; i < pf->hw.func_caps.num_vsis; i++) {
+               if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) {
+                       i40e_vsi_open(pf->vsi[i]);
+                       break;
+               }
+       }
 
        /* The main driver is (mostly) up and happy. We need to set this state
         * before setting up the misc vector or we get a race and the vector