i40e: Fix queues reservation for XDP

[mirror_ubuntu-jammy-kernel.git] / drivers / net / ethernet / intel / i40e / i40e_main.c

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 783701dcaca292dbfec4e34033e25b5aad963c70..14f7effbe3fd06659ad0553f0296abaa0c578daa 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -210,6 +210,20 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile,
                return -EINVAL;
        }
 
+       /* Allocate last queue in the pile for FDIR VSI queue
+        * so it doesn't fragment the qp_pile
+        */
+       if (pile == pf->qp_pile && pf->vsi[id]->type == I40E_VSI_FDIR) {
+               if (pile->list[pile->num_entries - 1] & I40E_PILE_VALID_BIT) {
+                       dev_err(&pf->pdev->dev,
+                               "Cannot allocate queue %d for I40E_VSI_FDIR\n",
+                               pile->num_entries - 1);
+                       return -ENOMEM;
+               }
+               pile->list[pile->num_entries - 1] = id | I40E_PILE_VALID_BIT;
+               return pile->num_entries - 1;
+       }
+
        i = 0;
        while (i < pile->num_entries) {
                /* skip already allocated entries */