[Intel-wired-lan] [next-queue 10/17] fm10k: add TEB check to fm10k_gre_is_nvgre

[Allan, Bruce W]

> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces at lists.osuosl.org] On
> Behalf Of Jacob Keller
> Sent: Tuesday, October 13, 2015 4:39 PM
> To: Intel Wired LAN
> Subject: [Intel-wired-lan] [next-queue 10/17] fm10k: add TEB check to
> fm10k_gre_is_nvgre
> 
> The NVGRE protocol should be run over transparent ethernet bridge
> protocol, so we should verify this in our check whether the GRE tunnel
> is NVGRE.
> 
> Signed-off-by: Jacob Keller <jacob.e.keller at intel.com>
> ---
>  drivers/net/ethernet/intel/fm10k/fm10k_main.c | 4 ++++

Care to update the copyright date in this file while you're already updating it?

>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c
> b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
> index 746a1986690b..5dfcba72825d 100644
> --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c
> +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c
> @@ -708,6 +708,10 @@ static struct ethhdr *fm10k_gre_is_nvgre(struct
> sk_buff *skb)
>  	if (nvgre_hdr->flags & FM10K_NVGRE_RESERVED0_FLAGS)
>  		return NULL;
> 
> +	/* verify protocol is transparent Ethernet bridging */
> +	if (nvgre_hdr->proto != htons(ETH_P_TEB))
> +		return NULL;
> +
>  	/* report start of ethernet header */
>  	if (nvgre_hdr->flags & NVGRE_TNI)
>  		return (struct ethhdr *)(nvgre_hdr + 1);
> --
> 2.6.1.264.gbab76a9
> 
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