---

yaml --- r: 266445 b: refs/heads/master c: 6b8456c h: refs/heads/master i: 266443: aca0f36 v: v3
git-mirror · Oct 6, 2011 · 0fdd32e · 0fdd32e
1 parent e34f03b
commit 0fdd32e
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Showing 3 changed files with 13 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4de2a0224ae3c437e8a090b6ec8d304a7edff049
+refs/heads/master: 6b8456c0199c4dd35bb7a04ff299ab925699e390
diff --git a/trunk/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c b/trunk/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c
@@ -271,13 +271,23 @@ s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en, u8 *prio_tc)
 		reg |= IXGBE_MFLCN_RPFCE | IXGBE_MFLCN_DPF;
 
 		if (hw->mac.type == ixgbe_mac_X540) {
-			reg &= ~(IXGBE_MFLCN_RPFCE_MASK | 0x10);
+			reg &= ~IXGBE_MFLCN_RPFCE_MASK;
 			reg |= pfc_en << IXGBE_MFLCN_RPFCE_SHIFT;
 		}
 
 		IXGBE_WRITE_REG(hw, IXGBE_MFLCN, reg);
 
 	} else {
+		/* X540 devices have a RX bit that should be cleared
+		 * if PFC is disabled on all TCs but PFC features is
+		 * enabled.
+		 */
+		if (hw->mac.type == ixgbe_mac_X540) {
+			reg = IXGBE_READ_REG(hw, IXGBE_MFLCN);
+			reg &= ~IXGBE_MFLCN_RPFCE_MASK;
+			IXGBE_WRITE_REG(hw, IXGBE_MFLCN, reg);
+		}
+
 		for (i = 0; i < MAX_TRAFFIC_CLASS; i++)
 			hw->mac.ops.fc_enable(hw, i);
 	}

diff --git a/trunk/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/trunk/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
@@ -1850,7 +1850,7 @@ enum {
 #define IXGBE_MFLCN_DPF         0x00000002 /* Discard Pause Frame */
 #define IXGBE_MFLCN_RPFCE       0x00000004 /* Receive Priority FC Enable */
 #define IXGBE_MFLCN_RFCE        0x00000008 /* Receive FC Enable */
-#define IXGBE_MFLCN_RPFCE_MASK	0x00000FE0 /* Receive FC Mask */
+#define IXGBE_MFLCN_RPFCE_MASK	0x00000FF0 /* Receive FC Mask */
 
 #define IXGBE_MFLCN_RPFCE_SHIFT		 4