1 files changed, 81 insertions, 8 deletions

diff --git a/drivers/net/ethernet/intel/iavf/iavf_fdir.c b/drivers/net/ethernet/intel/iavf/iavf_fdir.c
index 2d47b0b4640e..a1b3b44cc14a 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_fdir.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_fdir.c
@@ -796,6 +796,9 @@ bool iavf_fdir_is_dup_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *
 
 	spin_lock_bh(&adapter->fdir_fltr_lock);
 	list_for_each_entry(tmp, &adapter->fdir_list_head, list) {
+		if (iavf_is_raw_fdir(fltr))
+			continue;
+
 		if (tmp->flow_type != fltr->flow_type)
 			continue;
 
@@ -815,33 +818,52 @@ bool iavf_fdir_is_dup_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *
 }
 
 /**
- * iavf_find_fdir_fltr_by_loc - find filter with location
+ * iavf_find_fdir_fltr - find FDIR filter
  * @adapter: pointer to the VF adapter structure
- * @loc: location to find.
+ * @is_raw: filter type, is raw (tc u32) or not (ethtool)
+ * @data: data to ID the filter, type dependent
  *
- * Returns pointer to Flow Director filter if found or null
+ * Returns: pointer to Flow Director filter if found or NULL. Lock must be held.
  */
-struct iavf_fdir_fltr *iavf_find_fdir_fltr_by_loc(struct iavf_adapter *adapter, u32 loc)
+struct iavf_fdir_fltr *iavf_find_fdir_fltr(struct iavf_adapter *adapter,
+					   bool is_raw, u32 data)
 {
 	struct iavf_fdir_fltr *rule;
 
-	list_for_each_entry(rule, &adapter->fdir_list_head, list)
-		if (rule->loc == loc)
+	list_for_each_entry(rule, &adapter->fdir_list_head, list) {
+		if ((is_raw && rule->cls_u32_handle == data) ||
+		    (!is_raw && rule->loc == data))
 			return rule;
+	}
 
 	return NULL;
 }
 
 /**
- * iavf_fdir_list_add_fltr - add a new node to the flow director filter list
+ * iavf_fdir_add_fltr - add a new node to the flow director filter list
  * @adapter: pointer to the VF adapter structure
  * @fltr: filter node to add to structure
+ *
+ * Return: 0 on success or negative errno on failure.
  */
-void iavf_fdir_list_add_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr *fltr)
+int iavf_fdir_add_fltr(struct iavf_adapter *adapter,
+		       struct iavf_fdir_fltr *fltr)
 {
 	struct iavf_fdir_fltr *rule, *parent = NULL;
 
+	spin_lock_bh(&adapter->fdir_fltr_lock);
+	if (iavf_fdir_max_reached(adapter)) {
+		spin_unlock_bh(&adapter->fdir_fltr_lock);
+		dev_err(&adapter->pdev->dev,
+			"Unable to add Flow Director filter (limit (%u) reached)\n",
+			IAVF_MAX_FDIR_FILTERS);
+		return -ENOSPC;
+	}
+
 	list_for_each_entry(rule, &adapter->fdir_list_head, list) {
+		if (iavf_is_raw_fdir(fltr))
+			break;
+
 		if (rule->loc >= fltr->loc)
 			break;
 		parent = rule;
@@ -851,4 +873,55 @@ void iavf_fdir_list_add_fltr(struct iavf_adapter *adapter, struct iavf_fdir_fltr
 		list_add(&fltr->list, &parent->list);
 	else
 		list_add(&fltr->list, &adapter->fdir_list_head);
+
+	iavf_inc_fdir_active_fltr(adapter, fltr);
+
+	if (adapter->link_up)
+		fltr->state = IAVF_FDIR_FLTR_ADD_REQUEST;
+	else
+		fltr->state = IAVF_FDIR_FLTR_INACTIVE;
+	spin_unlock_bh(&adapter->fdir_fltr_lock);
+
+	if (adapter->link_up)
+		iavf_schedule_aq_request(adapter, IAVF_FLAG_AQ_ADD_FDIR_FILTER);
+
+	return 0;
+}
+
+/**
+ * iavf_fdir_del_fltr - delete a flow director filter from the list
+ * @adapter: pointer to the VF adapter structure
+ * @is_raw: filter type, is raw (tc u32) or not (ethtool)
+ * @data: data to ID the filter, type dependent
+ *
+ * Return: 0 on success or negative errno on failure.
+ */
+int iavf_fdir_del_fltr(struct iavf_adapter *adapter, bool is_raw, u32 data)
+{
+	struct iavf_fdir_fltr *fltr = NULL;
+	int err = 0;
+
+	spin_lock_bh(&adapter->fdir_fltr_lock);
+	fltr = iavf_find_fdir_fltr(adapter, is_raw, data);
+
+	if (fltr) {
+		if (fltr->state == IAVF_FDIR_FLTR_ACTIVE) {
+			fltr->state = IAVF_FDIR_FLTR_DEL_REQUEST;
+		} else if (fltr->state == IAVF_FDIR_FLTR_INACTIVE) {
+			list_del(&fltr->list);
+			iavf_dec_fdir_active_fltr(adapter, fltr);
+			kfree(fltr);
+			fltr = NULL;
+		} else {
+			err = -EBUSY;
+		}
+	} else if (adapter->fdir_active_fltr) {
+		err = -EINVAL;
+	}
+
+	if (fltr && fltr->state == IAVF_FDIR_FLTR_DEL_REQUEST)
+		iavf_schedule_aq_request(adapter, IAVF_FLAG_AQ_DEL_FDIR_FILTER);
+
+	spin_unlock_bh(&adapter->fdir_fltr_lock);
+	return err;
 }