netdev - [PATCH] ehea: Fixing LRO configuration

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Message-Id: <1291834280-30787-1-git-send-email-leitao@linux.vnet.ibm.com>
Date:	Wed,  8 Dec 2010 16:51:20 -0200
From:	leitao@...ux.vnet.ibm.com
To:	bhutchings@...arflare.com
Cc:	shemminger@...tta.com, davem@...emloft.net, netdev@...r.kernel.org,
	Breno Leitao <leitao@...ux.vnet.ibm.com>
Subject: [PATCH] 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@...ux.vnet.ibm.com>

diff --git a/drivers/net/ehea/ehea_ethtool.c b/drivers/net/ehea/ehea_ethtool.c
index 75b099c..1f37ee6 100644
--- a/drivers/net/ehea/ehea_ethtool.c
+++ b/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 */
 };
 
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index a84c389..c7132e8 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -675,7 +675,7 @@ 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,
@@ -777,7 +777,7 @@ 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;
@@ -3265,6 +3265,9 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter,
 		      | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER
 		      | 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);
 
-- 
1.7.3.2

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