ixgbe: fix bug with lots of tx queues

when using more than 8 tx queues you can overrun the 8 bit v_idx
field, so change it to 16 bits to represent the maximum number
of queues (one for each bit)

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 5ba03845c3e30413710ef67b01ec0e86efeb4e3c..064af675a9411af32844c9e83b47d7a4a3c9d581 100644 (file)
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -152,9 +152,9 @@ struct ixgbe_ring {
        struct net_lro_mgr lro_mgr;
        bool lro_used;
        struct ixgbe_queue_stats stats;
-       u8 v_idx; /* maps directly to the index for this ring in the hardware
-                  * vector array, can also be used for finding the bit in EICR
-                  * and friends that represents the vector for this ring */
+       u16 v_idx; /* maps directly to the index for this ring in the hardware
+                  * vector array, can also be used for finding the bit in EICR
+                  * and friends that represents the vector for this ring */
 
 
        u16 work_limit;                /* max work per interrupt */