1 files changed, 30 insertions, 11 deletions

diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index fa4171860623..d3e84416248e 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -979,6 +979,12 @@ static int igc_ethtool_get_nfc_rule(struct igc_adapter *adapter,
 		eth_broadcast_addr(fsp->m_u.ether_spec.h_source);
 	}
 
+	if (rule->filter.match_flags & IGC_FILTER_FLAG_USER_DATA) {
+		fsp->flow_type |= FLOW_EXT;
+		memcpy(fsp->h_ext.data, rule->filter.user_data, sizeof(fsp->h_ext.data));
+		memcpy(fsp->m_ext.data, rule->filter.user_mask, sizeof(fsp->m_ext.data));
+	}
+
 	mutex_unlock(&adapter->nfc_rule_lock);
 	return 0;
 
@@ -1215,6 +1221,30 @@ static void igc_ethtool_init_nfc_rule(struct igc_nfc_rule *rule,
 		ether_addr_copy(rule->filter.dst_addr,
 				fsp->h_u.ether_spec.h_dest);
 	}
+
+	/* VLAN etype matching */
+	if ((fsp->flow_type & FLOW_EXT) && fsp->h_ext.vlan_etype) {
+		rule->filter.vlan_etype = fsp->h_ext.vlan_etype;
+		rule->filter.match_flags |= IGC_FILTER_FLAG_VLAN_ETYPE;
+	}
+
+	/* Check for user defined data */
+	if ((fsp->flow_type & FLOW_EXT) &&
+	    (fsp->h_ext.data[0] || fsp->h_ext.data[1])) {
+		rule->filter.match_flags |= IGC_FILTER_FLAG_USER_DATA;
+		memcpy(rule->filter.user_data, fsp->h_ext.data, sizeof(fsp->h_ext.data));
+		memcpy(rule->filter.user_mask, fsp->m_ext.data, sizeof(fsp->m_ext.data));
+	}
+
+	/* When multiple filter options or user data or vlan etype is set, use a
+	 * flex filter.
+	 */
+	if ((rule->filter.match_flags & IGC_FILTER_FLAG_USER_DATA) ||
+	    (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_ETYPE) ||
+	    (rule->filter.match_flags & (rule->filter.match_flags - 1)))
+		rule->flex = true;
+	else
+		rule->flex = false;
 }
 
 /**
@@ -1244,11 +1274,6 @@ static int igc_ethtool_check_nfc_rule(struct igc_adapter *adapter,
 		return -EINVAL;
 	}
 
-	if (flags & (flags - 1)) {
-		netdev_dbg(dev, "Rule with multiple matches not supported\n");
-		return -EOPNOTSUPP;
-	}
-
 	list_for_each_entry(tmp, &adapter->nfc_rule_list, list) {
 		if (!memcmp(&rule->filter, &tmp->filter,
 			    sizeof(rule->filter)) &&
@@ -1280,12 +1305,6 @@ static int igc_ethtool_add_nfc_rule(struct igc_adapter *adapter,
 		return -EOPNOTSUPP;
 	}
 
-	if ((fsp->flow_type & FLOW_EXT) &&
-	    fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK)) {
-		netdev_dbg(netdev, "VLAN mask not supported\n");
-		return -EOPNOTSUPP;
-	}
-
 	if (fsp->ring_cookie >= adapter->num_rx_queues) {
 		netdev_dbg(netdev, "Invalid action\n");
 		return -EINVAL;