From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joseph Gasparakis Subject: [PATCH 2/3] vxlan: capture inner headers during encapsulation Date: Thu, 8 Nov 2012 18:18:02 -0800 Message-ID: <1352427483-4380-3-git-send-email-joseph.gasparakis@intel.com> References: <1352427483-4380-1-git-send-email-joseph.gasparakis@intel.com> Cc: Joseph Gasparakis , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Peter P Waskiewicz Jr To: davem@davemloft.net, shemminger@vyatta.com, chrisw@sous-sol.org Return-path: In-Reply-To: <1352427483-4380-1-git-send-email-joseph.gasparakis@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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; -- 1.7.11.7