i40e: remove unused argument

BugLink: http://bugs.launchpad.net/bugs/1536474

With the final edition of the patches to remove sleeps from
the driver's entry points, the grab_rtnl argument is no
longer needed, so partially revert the commit that added it.

Change-ID: Ib9778476242586cc9e58b670f5f48d415cb59003
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
(cherry picked from commit 17652c63)
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

drivers/net/ethernet/intel/i40e/i40e.h

@@ -697,7 +697,7 @@ struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
 					bool is_vf, bool is_netdev);
 void i40e_del_filter(struct i40e_vsi *vsi, u8 *macaddr, s16 vlan,
 		     bool is_vf, bool is_netdev);
-int i40e_sync_vsi_filters(struct i40e_vsi *vsi, bool grab_rtnl);
+int i40e_sync_vsi_filters(struct i40e_vsi *vsi);
 struct i40e_vsi *i40e_vsi_setup(struct i40e_pf *pf, u8 type,
 				u16 uplink, u32 param1);
 int i40e_vsi_release(struct i40e_vsi *vsi);

drivers/net/ethernet/intel/i40e/i40e_debugfs.c

@@ -1138,7 +1138,7 @@ static ssize_t i40e_dbg_command_write(struct file *filp,
 		spin_lock_bh(&vsi->mac_filter_list_lock);
 		f = i40e_add_filter(vsi, ma, vlan, false, false);
 		spin_unlock_bh(&vsi->mac_filter_list_lock);
-		ret = i40e_sync_vsi_filters(vsi, true);
+		ret = i40e_sync_vsi_filters(vsi);
 		if (f && !ret)
 			dev_info(&pf->pdev->dev,
 				 "add macaddr: %pM vlan=%d added to VSI %d\n",
@@ -1177,7 +1177,7 @@ static ssize_t i40e_dbg_command_write(struct file *filp,
 		spin_lock_bh(&vsi->mac_filter_list_lock);
 		i40e_del_filter(vsi, ma, vlan, false, false);
 		spin_unlock_bh(&vsi->mac_filter_list_lock);
-		ret = i40e_sync_vsi_filters(vsi, true);
+		ret = i40e_sync_vsi_filters(vsi);
 		if (!ret)
 			dev_info(&pf->pdev->dev,
 				 "del macaddr: %pM vlan=%d removed from VSI %d\n",

drivers/net/ethernet/intel/i40e/i40e_main.c

@@ -1859,13 +1859,12 @@ static void i40e_cleanup_add_list(struct list_head *add_list)
 /**
  * i40e_sync_vsi_filters - Update the VSI filter list to the HW
  * @vsi: ptr to the VSI
- * @grab_rtnl: whether RTNL needs to be grabbed
  *
  * Push any outstanding VSI filter changes through the AdminQ.
  *
  * Returns 0 or error value
  **/
-int i40e_sync_vsi_filters(struct i40e_vsi *vsi, bool grab_rtnl)
+int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 {
 	struct list_head tmp_del_list, tmp_add_list;
 	struct i40e_mac_filter *f, *ftmp, *fclone;
@@ -2169,8 +2168,15 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf)
 
 	for (v = 0; v < pf->num_alloc_vsi; v++) {
 		if (pf->vsi[v] &&
-		    (pf->vsi[v]->flags & I40E_VSI_FLAG_FILTER_CHANGED))
-			i40e_sync_vsi_filters(pf->vsi[v], true);
+		    (pf->vsi[v]->flags & I40E_VSI_FLAG_FILTER_CHANGED)) {
+			int ret = i40e_sync_vsi_filters(pf->vsi[v]);
+
+			if (ret) {
+				/* come back and try again later */
+				pf->flags |= I40E_FLAG_FILTER_SYNC;
+				break;
+			}
+		}
 	}
 }
 
@@ -9219,7 +9225,7 @@ int i40e_vsi_release(struct i40e_vsi *vsi)
 				f->is_vf, f->is_netdev);
 	spin_unlock_bh(&vsi->mac_filter_list_lock);
 
-	i40e_sync_vsi_filters(vsi, false);
+	i40e_sync_vsi_filters(vsi);
 
 	i40e_vsi_delete(vsi);
 	i40e_vsi_free_q_vectors(vsi);

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

@@ -565,7 +565,7 @@ static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
 	}
 
 	/* program mac filter */
-	ret = i40e_sync_vsi_filters(vsi, false);
+	ret = i40e_sync_vsi_filters(vsi);
 	if (ret)
 		dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
 
@@ -1633,7 +1633,7 @@ static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
 	spin_unlock_bh(&vsi->mac_filter_list_lock);
 
 	/* program the updated filter list */
-	if (i40e_sync_vsi_filters(vsi, false))
+	if (i40e_sync_vsi_filters(vsi))
 		dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters\n",
 			vf->vf_id);
 
@@ -1687,7 +1687,7 @@ static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
 	spin_unlock_bh(&vsi->mac_filter_list_lock);
 
 	/* program the updated filter list */
-	if (i40e_sync_vsi_filters(vsi, false))
+	if (i40e_sync_vsi_filters(vsi))
 		dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters\n",
 			vf->vf_id);
 
@@ -2102,7 +2102,7 @@ int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
 
 	dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
 	/* program mac filter */
-	if (i40e_sync_vsi_filters(vsi, false)) {
+	if (i40e_sync_vsi_filters(vsi)) {
 		dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
 		ret = -EIO;
 		goto error_param;