From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jacob Keller Date: Tue, 13 Oct 2015 16:39:07 -0700 Subject: [Intel-wired-lan] [next-queue 10/17] fm10k: add TEB check to fm10k_gre_is_nvgre In-Reply-To: <1444779554-20464-1-git-send-email-jacob.e.keller@intel.com> References: <1444779554-20464-1-git-send-email-jacob.e.keller@intel.com> Message-ID: <1444779554-20464-10-git-send-email-jacob.e.keller@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: 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 --- drivers/net/ethernet/intel/fm10k/fm10k_main.c | 4 ++++ 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