i40e: Change firmware workaround
authorJesse Brandeburg <jesse.brandeburg@intel.com>
Fri, 17 Jan 2014 23:36:32 +0000 (15:36 -0800)
committerDavid S. Miller <davem@davemloft.net>
Sat, 18 Jan 2014 03:13:03 +0000 (19:13 -0800)
Remove a workaround that is no longer necessary and implement
a better understanding of what firmware is returning in the MSI-X
vector count.  This makes it so that the driver ends up with the
right amount of queues when using all available MSI-X vectors.

Change-ID: I34e60cc71dcfb1b5412f37df956fedcc49ade187
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/intel/i40e/i40e.h
drivers/net/ethernet/intel/i40e/i40e_main.c

index dff4447cb5a34196dee19a5a7c933c48e75495fa..6d0a7029bf835fec109b7e8d69b75c3a881ad6be 100644 (file)
@@ -63,7 +63,6 @@
 #define I40E_BASE_VSI_SEID    512
 #define I40E_BASE_VEB_SEID    288
 #define I40E_MAX_VEB          16
-#define I40E_MAX_NPAR_QPS     32
 
 #define I40E_MAX_NUM_DESCRIPTORS      4096
 #define I40E_MAX_REGISTER     0x800000
index 7bfa789672769df2af4d75588cbfc12434f24a36..ff4aa74ec51be7cd9dbff9530eee9a68f4107442 100644 (file)
@@ -4704,12 +4704,8 @@ static int i40e_get_capabilities(struct i40e_pf *pf)
                }
        } while (err);
 
-       if (pf->hw.revision_id == 0 && (pf->flags & I40E_FLAG_MFP_ENABLED)) {
-               pf->hw.func_caps.num_msix_vectors += 1;
-               pf->hw.func_caps.num_tx_qp =
-                       min_t(int, pf->hw.func_caps.num_tx_qp,
-                             I40E_MAX_NPAR_QPS);
-       }
+       /* increment MSI-X count because current FW skips one */
+       pf->hw.func_caps.num_msix_vectors++;
 
        if (pf->hw.debug_mask & I40E_DEBUG_USER)
                dev_info(&pf->pdev->dev,