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authorGreg Rose <gregory.v.rose@intel.com>2012-11-08 06:41:35 +0400
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2012-11-28 16:46:11 +0400
commit9b735984fba6d704fdf798b5831010980c1b8950 (patch)
tree1ac30cc4204584fe746d7626b53445fd1e1d8f8a /drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
parent2afaa00d2fa2ae1fa806ebd229bc3f56df8449d5 (diff)
downloadlinux-9b735984fba6d704fdf798b5831010980c1b8950.tar.xz
ixgbe: Make the bridge mode setting sticky
The internal bridge mode setting needs to be sticky so that it can be configured correctly after a device reset. This change is required now that the driver supports setting the bridge mode to VEB or VEPA. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Acked-by: John Fastabend <john.r.fastabend@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Tested-by: Sibai Li <Sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_main.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index fc8cfad4ac9b..fee0f8c78041 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3247,6 +3247,8 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset ^ 1), reg_offset - 1);
IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), (~0) << vf_shift);
IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset ^ 1), reg_offset - 1);
+ if (adapter->flags2 & IXGBE_FLAG2_BRIDGE_MODE_VEB)
+ IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
/* Map PF MAC address in RAR Entry 0 to first pool following VFs */
hw->mac.ops.set_vmdq(hw, 0, VMDQ_P(0));
@@ -7039,11 +7041,13 @@ static int ixgbe_ndo_bridge_setlink(struct net_device *dev,
continue;
mode = nla_get_u16(attr);
- if (mode == BRIDGE_MODE_VEPA)
+ if (mode == BRIDGE_MODE_VEPA) {
reg = 0;
- else if (mode == BRIDGE_MODE_VEB)
+ adapter->flags2 &= ~IXGBE_FLAG2_BRIDGE_MODE_VEB;
+ } else if (mode == BRIDGE_MODE_VEB) {
reg = IXGBE_PFDTXGSWC_VT_LBEN;
- else
+ adapter->flags2 |= IXGBE_FLAG2_BRIDGE_MODE_VEB;
+ } else
return -EINVAL;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_PFDTXGSWC, reg);
@@ -7064,7 +7068,7 @@ static int ixgbe_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
return 0;
- if (IXGBE_READ_REG(&adapter->hw, IXGBE_PFDTXGSWC) & 1)
+ if (adapter->flags2 & IXGBE_FLAG2_BRIDGE_MODE_VEB)
mode = BRIDGE_MODE_VEB;
else
mode = BRIDGE_MODE_VEPA;