From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next 09/14] ixgbevf: Do not forward LLDP type frames Date: Fri, 26 Oct 2012 04:58:17 -0700 Message-ID: <1351252702-16532-10-git-send-email-jeffrey.t.kirsher@intel.com> References: <1351252702-16532-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Greg Rose , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga01.intel.com ([192.55.52.88]:16247 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932497Ab2JZL62 (ORCPT ); Fri, 26 Oct 2012 07:58:28 -0400 In-Reply-To: <1351252702-16532-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Greg Rose The driver should not forward LLDP type frames. Inspect the ether type and do not send if it is an LLDP ethertype frame. Signed-off-by: Greg Rose Tested-by: Sibai Li Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 07d7eab..b5979ba 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -2968,6 +2968,11 @@ static int ixgbevf_xmit_frame(struct sk_buff *skb, struct net_device *netdev) #if PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD unsigned short f; #endif + u8 *dst_mac = skb_header_pointer(skb, 0, 0, NULL); + if (!dst_mac || is_link_local(dst_mac)) { + dev_kfree_skb(skb); + return NETDEV_TX_OK; + } tx_ring = &adapter->tx_ring[r_idx]; -- 1.7.11.7