smsc911x: define status word positions as constants

The vast majority of bit constants in this driver are defined in the
header file, but TX and RX status word bits are not.  This patch (which
should make no functional change) defines these, to make the driver
slightly more readable.

Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 10 deletions

diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index ad15aab2137d..0232292bd170 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -895,22 +895,22 @@ static void smsc911x_tx_update_txcounters(struct net_device *dev)
                         SMSC_WARNING(HW,
                                 "Packet tag reserved bit is high");
                 } else {
-                        if (unlikely(tx_stat & 0x00008000)) {
+                        if (unlikely(tx_stat & TX_STS_ES_)) {
                                 dev->stats.tx_errors++;
                         } else {
                                 dev->stats.tx_packets++;
                                 dev->stats.tx_bytes += (tx_stat >> 16);
                         }
-                        if (unlikely(tx_stat & 0x00000100)) {
+                        if (unlikely(tx_stat & TX_STS_EXCESS_COL_)) {
                                 dev->stats.collisions += 16;
                                 dev->stats.tx_aborted_errors += 1;
                         } else {
                                 dev->stats.collisions +=
                                     ((tx_stat >> 3) & 0xF);
                         }
-                        if (unlikely(tx_stat & 0x00000800))
+                        if (unlikely(tx_stat & TX_STS_LOST_CARRIER_))
                                 dev->stats.tx_carrier_errors += 1;
-                        if (unlikely(tx_stat & 0x00000200)) {
+                        if (unlikely(tx_stat & TX_STS_LATE_COL_)) {
                                 dev->stats.collisions++;
                                 dev->stats.tx_aborted_errors++;
                         }
@@ -924,19 +924,17 @@ smsc911x_rx_counterrors(struct net_device *dev, unsigned int rxstat)
 {
         int crc_err = 0;
 
-        if (unlikely(rxstat & 0x00008000)) {
+        if (unlikely(rxstat & RX_STS_ES_)) {
                 dev->stats.rx_errors++;
-                if (unlikely(rxstat & 0x00000002)) {
+                if (unlikely(rxstat & RX_STS_CRC_ERR_)) {
                         dev->stats.rx_crc_errors++;
                         crc_err = 1;
                 }
         }
         if (likely(!crc_err)) {
-                if (unlikely((rxstat & 0x00001020) == 0x00001020)) {
-                        /* Frame type indicates length,
-                         * and length error is set */
+                if (unlikely((rxstat & RX_STS_FRAME_TYPE_) &&
+                             (rxstat & RX_STS_LENGTH_ERR_)))
                         dev->stats.rx_length_errors++;
-                }
                 if (rxstat & RX_STS_MCAST_)
                         dev->stats.multicast++;
         }