ehea: Fixing LRO configuration

In order to set LRO on ehea, the user must set a module parameter, which
is not the standard way to do so. This patch adds a way to set LRO using
the ethtool tool.
Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ehea/ehea_ethtool.c

@@ -261,6 +261,13 @@ static void ehea_get_ethtool_stats(struct net_device *dev,
 
 }
 
+static int ehea_set_flags(struct net_device *dev, u32 data)
+{
+	return ethtool_op_set_flags(dev, data, ETH_FLAG_LRO
+					| ETH_FLAG_TXVLAN
+					| ETH_FLAG_RXVLAN);
+}
+
 const struct ethtool_ops ehea_ethtool_ops = {
 	.get_settings = ehea_get_settings,
 	.get_drvinfo = ehea_get_drvinfo,
@@ -273,6 +280,8 @@ const struct ethtool_ops ehea_ethtool_ops = {
 	.get_ethtool_stats = ehea_get_ethtool_stats,
 	.get_rx_csum = ehea_get_rx_csum,
 	.set_settings = ehea_set_settings,
+	.get_flags = ethtool_op_get_flags,
+	.set_flags = ehea_set_flags,
 	.nway_reset = ehea_nway_reset,		/* Restart autonegotiation */
 };
 

drivers/net/ehea/ehea_main.c

@@ -683,7 +683,7 @@ static void ehea_proc_skb(struct ehea_port_res *pr, struct ehea_cqe *cqe,
 	int vlan_extracted = ((cqe->status & EHEA_CQE_VLAN_TAG_XTRACT) &&
 			      pr->port->vgrp);
 
-	if (use_lro) {
+	if (skb->dev->features & NETIF_F_LRO) {
 		if (vlan_extracted)
 			lro_vlan_hwaccel_receive_skb(&pr->lro_mgr, skb,
 						     pr->port->vgrp,
@@ -787,7 +787,7 @@ static int ehea_proc_rwqes(struct net_device *dev,
 		}
 		cqe = ehea_poll_rq1(qp, &wqe_index);
 	}
-	if (use_lro)
+	if (dev->features & NETIF_F_LRO)
 		lro_flush_all(&pr->lro_mgr);
 
 	pr->rx_packets += processed;
@@ -3278,6 +3278,9 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter,
 		      | NETIF_F_LLTX;
 	dev->watchdog_timeo = EHEA_WATCH_DOG_TIMEOUT;
 
+	if (use_lro)
+		dev->features |= NETIF_F_LRO;
+
 	INIT_WORK(&port->reset_task, ehea_reset_port);
 
 	ret = register_netdev(dev);