* [PATCH net-next 2/2] tunnel: Inherit NETIF_F_SG for hw_enc_features.
@ 2013-03-07 19:28 Pravin B Shelar
2013-03-09 21:11 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Pravin B Shelar @ 2013-03-07 19:28 UTC (permalink / raw)
To: netdev; +Cc: edumazet, jesse, Pravin B Shelar
Inherit scatergather feature for tunnel devices to avoid
copy for TSO packets of tunneling device like GRE.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
---
net/core/dev.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/net/core/dev.c b/net/core/dev.c
index bb99993..90cee5b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5205,6 +5205,10 @@ int register_netdevice(struct net_device *dev)
*/
dev->vlan_features |= NETIF_F_HIGHDMA;
+ /* Make NETIF_F_SG inheritable to tunnel devices.
+ */
+ dev->hw_enc_features |= NETIF_F_SG;
+
ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);
ret = notifier_to_errno(ret);
if (ret)
--
1.7.1
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2013-03-07 19:28 [PATCH net-next 2/2] tunnel: Inherit NETIF_F_SG for hw_enc_features Pravin B Shelar
2013-03-09 21:11 ` David Miller
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