---

yaml --- r: 224391 b: refs/heads/master c: 9b55bb0 h: refs/heads/master i: 224389: 69092db 224387: 0d4e8ca 224383: 179c830 v: v3
git-mirror · Nov 17, 2010 · 80194ff · 80194ff
1 parent f6c1695
commit 80194ff
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8ca371e484e2e5ceb9b90fdb83d8d251017d852b
+refs/heads/master: 9b55bb038468a7b504ccdc1d956952598ae1b85b
diff --git a/trunk/drivers/net/ixgbe/ixgbe_fcoe.c b/trunk/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -92,6 +92,7 @@ int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid)
 	struct ixgbe_fcoe *fcoe;
 	struct ixgbe_adapter *adapter;
 	struct ixgbe_fcoe_ddp *ddp;
+	u32 fcbuff;
 
 	if (!netdev)
 		goto out_ddp_put;
@@ -115,7 +116,14 @@ int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid)
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCBUFF, 0);
 		IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCDMARW,
 				(xid | IXGBE_FCDMARW_WE));
+
+		/* guaranteed to be invalidated after 100us */
+		IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCDMARW,
+				(xid | IXGBE_FCDMARW_RE));
+		fcbuff = IXGBE_READ_REG(&adapter->hw, IXGBE_FCBUFF);
 		spin_unlock_bh(&fcoe->lock);
+		if (fcbuff & IXGBE_FCBUFF_VALID)
+			udelay(100);
 	}
 	if (ddp->sgl)
 		pci_unmap_sg(adapter->pdev, ddp->sgl, ddp->sgc,