diff options
| author | Jesse Brandeburg <jesse.brandeburg@intel.com> | 2014-04-23 04:50:05 (GMT) |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-06-05 08:58:31 (GMT) |
| commit | 61a46a4c079bc48f8b1c91d13436c71303dc1335 (patch) | |
| tree | 221b169e6cb190e456f28f9a764802ba8341b71b | |
| parent | d0277054ac9f0ddc420ad2f170a4f35baa909e48 (diff) | |
| download | linux-61a46a4c079bc48f8b1c91d13436c71303dc1335.tar.xz | |
i40e: clamp jumbo frame size
The driver was allowing the user to set larger size MTU
than the hardware was being configured to support.
The driver was already using VLAN_HLEN when setting the
hardware max receivable frame size, so just add it to the
netdev MTU set entry point as well.
Change-ID: Ie20e2a35d04f8c411253e255bea79ca69aaeaea3
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index cef3db4..cf67cf4 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -1698,7 +1698,7 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf) static int i40e_change_mtu(struct net_device *netdev, int new_mtu) { struct i40e_netdev_priv *np = netdev_priv(netdev); - int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; + int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; struct i40e_vsi *vsi = np->vsi; /* MTU < 68 is an error and causes problems on some kernels */ |