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authorNicholas Nunley <nicholas.d.nunley@intel.com>2019-02-06 15:08:17 -0800
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2019-04-16 15:10:33 -0700
commitbfb0ebed53857cfc57f11c63fa3689940d71c1c8 (patch)
tree564cb554049da7010df1ce288afb9be350e78dc6 /drivers/net/ethernet/intel/i40e/i40e_main.c
parenti40e: Implement DDP support in i40e driver (diff)
downloadlinux-dev-bfb0ebed53857cfc57f11c63fa3689940d71c1c8.tar.xz
linux-dev-bfb0ebed53857cfc57f11c63fa3689940d71c1c8.zip
i40e: don't allow changes to HW VLAN stripping on active port VLANs
Modifying the VLAN stripping options when a port VLAN is configured will break traffic for the VSI, and conceptually doesn't make sense, so don't allow this. Signed-off-by: Nicholas Nunley <nicholas.d.nunley@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_main.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 9de18aa8fa86..ba6c65555235 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2654,6 +2654,10 @@ void i40e_vlan_stripping_enable(struct i40e_vsi *vsi)
struct i40e_vsi_context ctxt;
i40e_status ret;
+ /* Don't modify stripping options if a port VLAN is active */
+ if (vsi->info.pvid)
+ return;
+
if ((vsi->info.valid_sections &
cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID)) &&
((vsi->info.port_vlan_flags & I40E_AQ_VSI_PVLAN_MODE_MASK) == 0))
@@ -2684,6 +2688,10 @@ void i40e_vlan_stripping_disable(struct i40e_vsi *vsi)
struct i40e_vsi_context ctxt;
i40e_status ret;
+ /* Don't modify stripping options if a port VLAN is active */
+ if (vsi->info.pvid)
+ return;
+
if ((vsi->info.valid_sections &
cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID)) &&
((vsi->info.port_vlan_flags & I40E_AQ_VSI_PVLAN_EMOD_MASK) ==