[PATCH 3.16 055/148] bnx2x: Enable Multi-Cos feature.

[Ben Hutchings]

3.16.82-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Sudarsana Reddy Kalluru <skalluru@xxxxxxxxxxx>

commit 069e47823fff2c634b2d46a328b5096fdc8c2a0c upstream.

FW version 7.13.15 addresses the issue in Multi-cos implementation.
This patch re-enables the Multi-Cos support in the driver.

Fixes: d1f0b5dce8fd ("bnx2x: Disable multi-cos feature.")
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@xxxxxxxxxxx>
Signed-off-by: Ariel Elior <aelior@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
[bwh: Backported to 3.16: Keep calling fallback()]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -1914,7 +1914,8 @@ u16 bnx2x_select_queue(struct net_device
 	}
 
 	/* select a non-FCoE queue */
-	return fallback(dev, skb) % (BNX2X_NUM_ETH_QUEUES(bp));
+	return fallback(dev, skb) %
+			(BNX2X_NUM_ETH_QUEUES(bp) * bp->max_cos);
 }
 
 void bnx2x_set_num_queues(struct bnx2x *bp)