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Date: Thu, 25 Oct 2012 11:29:13 -0700 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 Subject: [RFC PATCH 2/2] tunneling: capture inner headers during encapsulation Populating the inner header pointers of skb for vxlan and ipgre --- drivers/net/vxlan.c | 4 ++++ net/ipv4/ip_gre.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 51de9ed..7cd1e5a 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -647,6 +647,10 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) __u8 tos, ttl; int err; + skb->inner_mac_header = skb->mac_header; + skb->inner_network_header = skb->network_header; + skb->inner_transport_header = skb->transport_header; + /* Need space for new headers (invalidates iph ptr) */ if (skb_cow_head(skb, VXLAN_HEADROOM)) goto drop; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 7240f8e..b20ff8f 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -902,6 +902,10 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev tunnel->err_count = 0; } + skb->inner_mac_header = skb->mac_header; + skb->inner_network_header = skb->network_header; + skb->inner_transport_header = skb->transport_header; + max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + rt->dst.header_len; if (skb_headroom(skb) < max_headroom || skb_shared(skb)|| -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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