Re: [PATCH net 3/6] mlx4_en: eth statistics modification

From: Eugenia Emantayev <redacted>

In native mode display all available statistics.
In SRIOV mode on VF display only SW counters statistics,
in SRIOV mode on hypervisor display SW counters and errors (got from FW)
statistics.

Signed-off-by: Eugenia Emantayev <redacted>
Reviewed-by: Yevgeny Petrilin <redacted>
---
 drivers/net/ethernet/mellanox/mlx4/en_ethtool.c |   72 ++++++++++++++++++-----
 drivers/net/ethernet/mellanox/mlx4/en_netdev.c  |    2 +
 drivers/net/ethernet/mellanox/mlx4/mlx4_en.h    |    1 +
 drivers/net/ethernet/mellanox/mlx4/port.c       |   21 +++++++
 include/linux/mlx4/device.h                     |    1 +
 5 files changed, 81 insertions(+), 16 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 53c6686..0e5f275 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c

@@ -183,10 +183,17 @@ static int mlx4_en_set_wol(struct net_device *netdev,
 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
 {
 	struct mlx4_en_priv *priv = netdev_priv(dev);
+	u64 bm = priv->stats_bitmap;
+	int bit_count = 0;
 
 	switch (sset) {
 	case ETH_SS_STATS:
-		return NUM_ALL_STATS +
+		while (bm) {
+			if (bm & 1)
+				bit_count++;
+			bm >>= 1;
+		}