diff options
| author |   Joseph Gasparakis <joseph.gasparakis@intel.com> | 2012-12-07 14:14:16 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2012-12-09 00:20:28 -0500 |
| commit | d6727fe3850de741b9a64e4a7069b536e380e2c6 (patch) | |
| tree | 1a4b5d07535e9e7ed97d47f7a85430ebe824c1ff /drivers | |
| parent | net: Handle encapsulated offloads before fragmentation or handing to lower dev (diff) | |
| download | linux-dev-d6727fe3850de741b9a64e4a7069b536e380e2c6.tar.xz linux-dev-d6727fe3850de741b9a64e4a7069b536e380e2c6.zip | |
vxlan: capture inner headers during encapsulation
Allow VXLAN to make use of Tx checksum offloading and Tx scatter-gather.
The advantage to these two changes is that it also allows the VXLAN to
make use of GSO.
Signed-off-by: Joseph Gasparakis <joseph.gasparakis@intel.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/vxlan.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index ce77b8b693ae..88b31f2453dd 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -876,6 +876,11 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) goto drop; } + if (!skb->encapsulation) { + skb_reset_inner_headers(skb); + skb->encapsulation = 1; + } + /* Need space for new headers (invalidates iph ptr) */ if (skb_cow_head(skb, VXLAN_HEADROOM)) goto drop; @@ -947,7 +952,8 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) vxlan_set_owner(dev, skb); /* See iptunnel_xmit() */ - skb->ip_summed = CHECKSUM_NONE; + if (skb->ip_summed != CHECKSUM_PARTIAL) + skb->ip_summed = CHECKSUM_NONE; ip_select_ident(iph, &rt->dst, NULL); err = ip_local_out(skb); @@ -1168,6 +1174,8 @@ static void vxlan_setup(struct net_device *dev) dev->tx_queue_len = 0; dev->features |= NETIF_F_LLTX; dev->features |= NETIF_F_NETNS_LOCAL; + dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM; + dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM; dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; spin_lock_init(&vxlan->hash_lock); |