diff options
| author |   Alexander Duyck <alexander.h.duyck@intel.com> | 2013-01-09 08:50:42 +0000 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2013-02-05 01:44:27 -0800 |
| commit | c560451c2009b94820460e06d3f7c258f7234948 (patch) | |
| tree | 5616c80808bce09a820f75ee2c5971b49ef47197 /drivers/net/ethernet/intel/ixgbe | |
| parent | ixgbe: Replace rmb in Tx cleanup with read_barrier_depends (diff) | |
| download | linux-dev-c560451c2009b94820460e06d3f7c258f7234948.tar.xz linux-dev-c560451c2009b94820460e06d3f7c258f7234948.zip | |
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>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 |
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); |