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authorAlexander Duyck <alexander.h.duyck@intel.com>2013-01-09 08:50:42 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2013-02-05 01:44:27 -0800
commitc560451c2009b94820460e06d3f7c258f7234948 (patch)
tree5616c80808bce09a820f75ee2c5971b49ef47197
parent7e63bf490151f7e457002fc046601bb6bb541fa3 (diff)
ixgbe: Fix SR-IOV MTU warning
This change corrects the fact that we were using 1522 to test for the max frame size in ixgbe_change_mtu and 1518 in ixgbe_set_vf_lpe. The difference was the addition of VLAN_HLEN which we only need to add in the case of computing a buffer size, but not a filter size. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Sibai Li <Sibai.li@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe.h2
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c2
2 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 2a61889143a5..d268c7b222c7 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -92,8 +92,6 @@
*/
#define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256
-#define MAXIMUM_ETHERNET_VLAN_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)
-
/* How many Rx Buffers do we bundle into one write to the hardware ? */
#define IXGBE_RX_BUFFER_WRITE 16 /* Must be power of 2 */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index ef9cb0ab4314..396e280c4373 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -4869,7 +4869,7 @@ static int ixgbe_change_mtu(struct net_device *netdev, int new_mtu)
*/
if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) &&
(adapter->hw.mac.type == ixgbe_mac_82599EB) &&
- (max_frame > MAXIMUM_ETHERNET_VLAN_SIZE))
+ (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN)))
e_warn(probe, "Setting MTU > 1500 will disable legacy VFs\n");
e_info(probe, "changing MTU from %d to %d\n", netdev->mtu, new_mtu);