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Message-Id: <1352709418-28996-3-git-send-email-joseph.gasparakis@intel.com>
Date: Mon, 12 Nov 2012 00:36:57 -0800
From: Joseph Gasparakis <joseph.gasparakis@...el.com>
To: davem@...emloft.net, shemminger@...tta.com, chrisw@...s-sol.org
Cc: Joseph Gasparakis <joseph.gasparakis@...el.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
dmitry@...adcom.com,
Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
Subject: [PATCH v2 2/3] vxlan: capture inner headers during encapsulation
Populating the inner header pointers of skb for vxlan
Signed-off-by: Joseph Gasparakis <joseph.gasparakis@...el.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
---
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
--
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