netdev - [PATCH] bonding: enable gro by default

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Date:	Fri, 17 Sep 2010 21:25:07 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>, Jay Vosburgh <fubar@...ibm.com>
Cc:	shemminger@...tta.com, bphilips@...e.de,
	e1000-devel@...ts.sourceforge.net, bruce.w.allan@...el.com,
	jesse.brandeburg@...el.com, john.ronciak@...el.com,
	jeffrey.t.kirsher@...el.com, netdev@...r.kernel.org,
	bhutchings@...arflare.com
Subject: [PATCH] bonding: enable gro by default

Le vendredi 17 septembre 2010 à 11:57 -0700, David Miller a écrit :

> Applied, thanks Eric.
> 
> Can you do whatever change is needed to get it enabled by default?
> 

Sure ;)

[PATCH] bonding: enable gro by default

gro can be enabled by default on bonding devices.

Actual support depends on the lower devices.

One can still use ethtool to switch off GRO if needed.

Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
---
 drivers/net/bonding/bond_main.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 3b16f62..80610a6 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4678,6 +4678,10 @@ static void bond_setup(struct net_device *bond_dev)
 			       NETIF_F_HW_VLAN_RX |
 			       NETIF_F_HW_VLAN_FILTER);
 
+	/* By default, we enable GRO on bonding devices.
+	 * Actual support requires lowlevel drivers are GRO ready.
+	 */
+	bond_dev->features |= NETIF_F_GRO;
 }
 
 static void bond_work_cancel_all(struct bonding *bond)


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