ixgb: remove hardcoded number

This adds a define for an awkward and uncommented value.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
index 4db63e01a62b..f6baf2866ca9 100644
--- a/drivers/net/ixgb/ixgb_ethtool.c
+++ b/drivers/net/ixgb/ixgb_ethtool.c
@@ -44,6 +44,8 @@ extern void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
 extern void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
 extern void ixgb_update_stats(struct ixgb_adapter *adapter);
 
+#define IXGB_ALL_RAR_ENTRIES 16
+
 struct ixgb_stats {
         char stat_string[ETH_GSTRING_LEN];
         int sizeof_stat;
@@ -300,7 +302,7 @@ ixgb_get_regs(struct net_device *netdev,
         *reg++ = IXGB_READ_REG(hw, RXCSUM);     /*  20 */
 
         /* there are 16 RAR entries in hardware, we only use 3 */
-        for(i = 0; i < 16; i++) {
+        for(i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
                 *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
                 *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
         }