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* [PATCH net] vxlan: clear IFF_TX_SKB_SHARING
@ 2016-02-16 21:16 Jiri Benc
  2016-02-17  0:04 ` Jesse Gross
  2016-02-18 19:55 ` David Miller
  0 siblings, 2 replies; 4+ messages in thread
From: Jiri Benc @ 2016-02-16 21:16 UTC (permalink / raw)
  To: netdev

ether_setup sets IFF_TX_SKB_SHARING but this is not supported by vxlan as it
modifies the skb on xmit.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
---
 drivers/net/vxlan.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index a31cd954b308..db96f3a16f6c 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2537,6 +2537,7 @@ static void vxlan_setup(struct net_device *dev)
 	dev->hw_features |= NETIF_F_GSO_SOFTWARE;
 	dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX;
 	netif_keep_dst(dev);
+	dev->priv_flags &= ~IFF_TX_SKB_SHARING;
 	dev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_NO_QUEUE;
 
 	INIT_LIST_HEAD(&vxlan->next);
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH net] vxlan: clear IFF_TX_SKB_SHARING
  2016-02-16 21:16 [PATCH net] vxlan: clear IFF_TX_SKB_SHARING Jiri Benc
@ 2016-02-17  0:04 ` Jesse Gross
  2016-02-17  9:53   ` Jiri Benc
  2016-02-18 19:55 ` David Miller
  1 sibling, 1 reply; 4+ messages in thread
From: Jesse Gross @ 2016-02-17  0:04 UTC (permalink / raw)
  To: Jiri Benc; +Cc: Linux Kernel Network Developers

On Tue, Feb 16, 2016 at 1:16 PM, Jiri Benc <jbenc@redhat.com> wrote:
> ether_setup sets IFF_TX_SKB_SHARING but this is not supported by vxlan as it
> modifies the skb on xmit.
>
> Signed-off-by: Jiri Benc <jbenc@redhat.com>

Presumably this is something that should be done on all tunnels that
can carry Ethernet frames, right?

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH net] vxlan: clear IFF_TX_SKB_SHARING
  2016-02-17  0:04 ` Jesse Gross
@ 2016-02-17  9:53   ` Jiri Benc
  0 siblings, 0 replies; 4+ messages in thread
From: Jiri Benc @ 2016-02-17  9:53 UTC (permalink / raw)
  To: Jesse Gross; +Cc: Linux Kernel Network Developers

On Tue, 16 Feb 2016 16:04:33 -0800, Jesse Gross wrote:
> Presumably this is something that should be done on all tunnels that
> can carry Ethernet frames, right?

Geneve and GRE likely need the same fix, yes. I think the fixes for
them should be sent as separate patches.

 Jiri

-- 
Jiri Benc

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH net] vxlan: clear IFF_TX_SKB_SHARING
  2016-02-16 21:16 [PATCH net] vxlan: clear IFF_TX_SKB_SHARING Jiri Benc
  2016-02-17  0:04 ` Jesse Gross
@ 2016-02-18 19:55 ` David Miller
  1 sibling, 0 replies; 4+ messages in thread
From: David Miller @ 2016-02-18 19:55 UTC (permalink / raw)
  To: jbenc; +Cc: netdev

From: Jiri Benc <jbenc@redhat.com>
Date: Tue, 16 Feb 2016 22:16:53 +0100

> ether_setup sets IFF_TX_SKB_SHARING but this is not supported by vxlan as it
> modifies the skb on xmit.
> 
> Signed-off-by: Jiri Benc <jbenc@redhat.com>

Applied.

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2016-02-18 19:55 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2016-02-16 21:16 [PATCH net] vxlan: clear IFF_TX_SKB_SHARING Jiri Benc
2016-02-17  0:04 ` Jesse Gross
2016-02-17  9:53   ` Jiri Benc
2016-02-18 19:55 ` David Miller

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