diff mbox

[net-next,03/16] i40e: write HENA for VFs

Message ID 1467175262-54719-4-git-send-email-jeffrey.t.kirsher@intel.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Kirsher, Jeffrey T June 29, 2016, 4:40 a.m. UTC 
From: Mitch Williams <mitch.a.williams@intel.com>

Now that VF RSS is configured by the PF driver, it needs to set the RSS
Hash Enable registers by default. Without this, no packets will be
hashed and they'll all end up on queue 0.

Change-ID: I38e425f40ddb81e3b19a951cfbb939fa5b1123f1
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox

Patch

diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 1fcafcf..6fcbf76 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -665,6 +665,8 @@  static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
 		goto error_alloc_vsi_res;
 	}
 	if (type == I40E_VSI_SRIOV) {
+		u64 hena = i40e_pf_get_default_rss_hena(pf);
+
 		vf->lan_vsi_idx = vsi->idx;
 		vf->lan_vsi_id = vsi->id;
 		/* If the port VLAN has been configured and then the
@@ -687,6 +689,10 @@  static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
 					vf->default_lan_addr.addr, vf->vf_id);
 		}
 		spin_unlock_bh(&vsi->mac_filter_list_lock);
+		i40e_write_rx_ctl(&pf->hw, I40E_VFQF_HENA1(0, vf->vf_id),
+				  (u32)hena);
+		i40e_write_rx_ctl(&pf->hw, I40E_VFQF_HENA1(1, vf->vf_id),
+				  (u32)(hena >> 32));
 	}
 
 	/* program mac filter */