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-rw-r--r--drivers/net/ethernet/intel/igb/e1000_82575.c29
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_regs.h1
2 files changed, 24 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c
index 3771bd20f437..6580cea796c5 100644
--- a/drivers/net/ethernet/intel/igb/e1000_82575.c
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.c
@@ -1580,14 +1580,31 @@ void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf)
**/
void igb_vmdq_set_loopback_pf(struct e1000_hw *hw, bool enable)
{
- u32 dtxswc = rd32(E1000_DTXSWC);
+ u32 dtxswc;
+
+ switch (hw->mac.type) {
+ case e1000_82576:
+ dtxswc = rd32(E1000_DTXSWC);
+ if (enable)
+ dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN;
+ else
+ dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN;
+ wr32(E1000_DTXSWC, dtxswc);
+ break;
+ case e1000_i350:
+ dtxswc = rd32(E1000_TXSWC);
+ if (enable)
+ dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN;
+ else
+ dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN;
+ wr32(E1000_TXSWC, dtxswc);
+ break;
+ default:
+ /* Currently no other hardware supports loopback */
+ break;
+ }
- if (enable)
- dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN;
- else
- dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN;
- wr32(E1000_DTXSWC, dtxswc);
}
/**
diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h
index 0990f6d860c7..0a860bc1198e 100644
--- a/drivers/net/ethernet/intel/igb/e1000_regs.h
+++ b/drivers/net/ethernet/intel/igb/e1000_regs.h
@@ -318,6 +318,7 @@
#define E1000_RPLOLR 0x05AF0 /* Replication Offload - RW */
#define E1000_UTA 0x0A000 /* Unicast Table Array - RW */
#define E1000_IOVTCL 0x05BBC /* IOV Control Register */
+#define E1000_TXSWC 0x05ACC /* Tx Switch Control */
/* These act per VF so an array friendly macro is used */
#define E1000_P2VMAILBOX(_n) (0x00C00 + (4 * (_n)))
#define E1000_VMBMEM(_n) (0x00800 + (64 * (_n)))