From patchwork Fri Nov 9 02:18:02 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/3] vxlan: capture inner headers during encapsulation Date: Thu, 08 Nov 2012 16:18:02 -0000 From: Joseph Gasparakis X-Patchwork-Id: 197910 Message-Id: <1352427483-4380-3-git-send-email-joseph.gasparakis@intel.com> To: davem@davemloft.net, shemminger@vyatta.com, chrisw@sous-sol.org Cc: Joseph Gasparakis , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Peter P Waskiewicz Jr Populating the inner header pointers of skb for vxlan Signed-off-by: Joseph Gasparakis Signed-off-by: Peter P Waskiewicz Jr --- drivers/net/vxlan.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 030559d..14e6c8f 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -694,11 +694,23 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) __be16 df = 0; __u8 tos, ttl; int err; + unsigned int offset; dst = vxlan_find_dst(vxlan, skb); if (!dst) goto drop; + offset = skb->data - skb->head; + + skb_reset_inner_mac_header(skb); + + if (skb->network_header) + skb_set_inner_network_header(skb, skb->network_header - offset); + + if (skb->transport_header) + skb_set_inner_transport_header(skb, skb->transport_header - + offset); + /* Need space for new headers (invalidates iph ptr) */ if (skb_cow_head(skb, VXLAN_HEADROOM)) goto drop;