ixgbe: set queue0 for srrctl configuration correctly for DCB
The current configuration is not setting queue 0 correctly for DCB
configurations. As a result unconfigured queues are being used to setup
the SRRCTL register rx buffer len sizes.
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>
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 4c38d51..d64a2d7 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1740,7 +1740,18 @@
unsigned long mask;
if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
- queue0 = index;
+ if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
+ int dcb_i = adapter->ring_feature[RING_F_DCB].indices;
+ if (dcb_i == 8)
+ queue0 = index >> 4;
+ else if (dcb_i == 4)
+ queue0 = index >> 5;
+ else
+ dev_err(&adapter->pdev->dev, "Invalid DCB "
+ "configuration\n");
+ } else {
+ queue0 = index;
+ }
} else {
mask = (unsigned long) adapter->ring_feature[RING_F_RSS].mask;
queue0 = index & mask;