netdev - [net-next 09/16] i40e: correctly program filters for VFs

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Date:	Mon, 13 Jul 2015 02:08:30 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Mitch Williams <mitch.a.williams@...el.com>,
	netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com,
	jogreene@...hat.com, Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 09/16] i40e: correctly program filters for VFs

From: Mitch Williams <mitch.a.williams@...el.com>

MAC filters for VFs were being programmed with 0 for the VLAN value when
there was no VLAN assigned. This is incorrect and actually assigns the
VF to VLAN 0. Instead, we must use -1 to indicate that no VLAN is in
use. This change programs the filters correctly and gets rid of a bogus
error message when setting a port VLAN on an active VF.

Change-ID: Ica9a9906d768405377ff3308e27f7d0b5b2ea96e
Signed-off-by: Mitch Williams <mitch.a.williams@...el.com>
Tested-by: Jim Young <james.m.young@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 433e803..4070a22 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -542,11 +542,13 @@ static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
 		if (vf->port_vlan_id)
 			i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
 		f = i40e_add_filter(vsi, vf->default_lan_addr.addr,
-				    vf->port_vlan_id, true, false);
+				    vf->port_vlan_id ? vf->port_vlan_id : -1,
+				    true, false);
 		if (!f)
 			dev_info(&pf->pdev->dev,
 				 "Could not allocate VF MAC addr\n");
-		f = i40e_add_filter(vsi, brdcast, vf->port_vlan_id,
+		f = i40e_add_filter(vsi, brdcast,
+				    vf->port_vlan_id ? vf->port_vlan_id : -1,
 				    true, false);
 		if (!f)
 			dev_info(&pf->pdev->dev,
@@ -2023,7 +2025,8 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
 	}
 
 	/* delete the temporary mac address */
-	i40e_del_filter(vsi, vf->default_lan_addr.addr, vf->port_vlan_id,
+	i40e_del_filter(vsi, vf->default_lan_addr.addr,
+			vf->port_vlan_id ? vf->port_vlan_id : -1,
 			true, false);
 
 	/* Delete all the filters for this VSI - we're going to kill it
-- 
2.4.3

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