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authorAlexander Duyck <alexander.h.duyck@intel.com>2009-10-27 18:54:04 +0300
committerDavid S. Miller <davem@davemloft.net>2009-10-28 11:20:36 +0300
commit10d8e9073a320a1c9cc13f996bd600b477eb4872 (patch)
tree111884291019fe9e6c8b44a49cde2acf89319558 /drivers/net/igb
parentd4960307ea63a5625a175cc2d7b192e68e6b4fba (diff)
downloadlinux-10d8e9073a320a1c9cc13f996bd600b477eb4872.tar.xz
igb: setup vlan tag replication stripping in igb_vmm_control
This update adds vlan tag stripping for inter-vf communications to the igb_vmm_control configuration function. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/igb')
-rw-r--r--drivers/net/igb/e1000_82575.h9
-rw-r--r--drivers/net/igb/igb_main.c11
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/igb/e1000_82575.h b/drivers/net/igb/e1000_82575.h
index 7be3a0b6a057..9418683ed006 100644
--- a/drivers/net/igb/e1000_82575.h
+++ b/drivers/net/igb/e1000_82575.h
@@ -203,6 +203,15 @@ struct e1000_adv_tx_context_desc {
#define E1000_IOVCTL 0x05BBC
#define E1000_IOVCTL_REUSE_VFQ 0x00000001
+#define E1000_RPLOLR_STRVLAN 0x40000000
+#define E1000_RPLOLR_STRCRC 0x80000000
+
+#define E1000_DTXCTL_8023LL 0x0004
+#define E1000_DTXCTL_VLAN_ADDED 0x0008
+#define E1000_DTXCTL_OOS_ENABLE 0x0010
+#define E1000_DTXCTL_MDP_EN 0x0020
+#define E1000_DTXCTL_SPOOF_INT 0x0040
+
#define ALL_QUEUES 0xFFFF
void igb_vmdq_set_loopback_pf(struct e1000_hw *, bool);
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 24a119ec005d..9dd290cf754a 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -5799,11 +5799,22 @@ static int igb_set_vf_mac(struct igb_adapter *adapter,
static void igb_vmm_control(struct igb_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
+ u32 reg;
/* replication is not supported for 82575 */
if (hw->mac.type == e1000_82575)
return;
+ /* enable replication vlan tag stripping */
+ reg = rd32(E1000_RPLOLR);
+ reg |= E1000_RPLOLR_STRVLAN;
+ wr32(E1000_RPLOLR, reg);
+
+ /* notify HW that the MAC is adding vlan tags */
+ reg = rd32(E1000_DTXCTL);
+ reg |= E1000_DTXCTL_VLAN_ADDED;
+ wr32(E1000_DTXCTL, reg);
+
if (adapter->vfs_allocated_count) {
igb_vmdq_set_loopback_pf(hw, true);
igb_vmdq_set_replication_pf(hw, true);