[PATCH net-next-2.6] bnx2: 64 bit stats on all arches

[Eric Dumazet <eric.dumazet@gmail.com>]

Now core network is able to handle 64 bit netdevice stats on 32 bit
arches, we can provide them for bnx2, since hardware maintains some 64
bit counters.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
---
 drivers/net/bnx2.c |   22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 22fa1e9..2975bf9 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -6589,36 +6589,28 @@ bnx2_save_stats(struct bnx2 *bp)
 		temp_stats[i] += hw_stats[i];
 }
 
-#define GET_64BIT_NET_STATS64(ctr)				\
-	(unsigned long) ((unsigned long) (ctr##_hi) << 32) +	\
-	(unsigned long) (ctr##_lo)
+#define GET_64BIT_NET_STATS64(ctr)		\
+	(((u64) (ctr##_hi) << 32) + (u64) (ctr##_lo))
 
 #define GET_64BIT_NET_STATS32(ctr)				\
 	(ctr##_lo)
 
-#if (BITS_PER_LONG == 64)
 #define GET_64BIT_NET_STATS(ctr)				\
 	GET_64BIT_NET_STATS64(bp->stats_blk->ctr) +		\
 	GET_64BIT_NET_STATS64(bp->temp_stats_blk->ctr)
-#else
-#define GET_64BIT_NET_STATS(ctr)				\
-	GET_64BIT_NET_STATS32(bp->stats_blk->ctr) +		\
-	GET_64BIT_NET_STATS32(bp->temp_stats_blk->ctr)
-#endif
 
 #define GET_32BIT_NET_STATS(ctr)				\
 	(unsigned long) (bp->stats_blk->ctr +			\
 			 bp->temp_stats_blk->ctr)
 
-static struct net_device_stats *
-bnx2_get_stats(struct net_device *dev)
+static struct rtnl_link_stats64 *
+bnx2_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *net_stats)
 {
 	struct bnx2 *bp = netdev_priv(dev);
-	struct net_device_stats *net_stats = &dev->stats;
 
-	if (bp->stats_blk == NULL) {
+	if (bp->stats_blk == NULL)
 		return net_stats;
-	}
+
 	net_stats->rx_packets =
 		GET_64BIT_NET_STATS(stat_IfHCInUcastPkts) +
 		GET_64BIT_NET_STATS(stat_IfHCInMulticastPkts) +
@@ -8289,7 +8281,7 @@ static const struct net_device_ops bnx2_netdev_ops = {
 	.ndo_open		= bnx2_open,
 	.ndo_start_xmit		= bnx2_start_xmit,
 	.ndo_stop		= bnx2_close,
-	.ndo_get_stats		= bnx2_get_stats,
+	.ndo_get_stats64	= bnx2_get_stats64,
 	.ndo_set_rx_mode	= bnx2_set_rx_mode,
 	.ndo_do_ioctl		= bnx2_ioctl,
 	.ndo_validate_addr	= eth_validate_addr,