mlx4_en: Adding 40gb speed report for ethtool

Query port will now identify a 40G Ethernet speed.

Signed-off-by: Alexander Guller <alexg@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 22 insertions, 5 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c
index 8824309bb625..9d275558094a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c
@@ -167,11 +167,21 @@ int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port)
         /* This command is always accessed from Ethtool context
          * already synchronized, no need in locking */
         state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK);
-        if ((qport_context->link_speed & MLX4_EN_SPEED_MASK) ==
-            MLX4_EN_1G_SPEED)
+        switch (qport_context->link_speed & MLX4_EN_SPEED_MASK) {
+        case MLX4_EN_1G_SPEED:
                 state->link_speed = 1000;
-        else
+                break;
+        case MLX4_EN_10G_SPEED_XAUI:
+        case MLX4_EN_10G_SPEED_XFI:
                 state->link_speed = 10000;
+                break;
+        case MLX4_EN_40G_SPEED:
+                state->link_speed = 40000;
+                break;
+        default:
+                state->link_speed = -1;
+                break;
+        }
         state->transciver = qport_context->transceiver;
 
 out:
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.h b/drivers/net/ethernet/mellanox/mlx4/en_port.h
index e3d73e41c567..19eb244f5165 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_port.h
+++ b/drivers/net/ethernet/mellanox/mlx4/en_port.h
@@ -94,6 +94,14 @@ enum {
         MLX4_MCAST_ENABLE       = 2,
 };
 
+enum {
+        MLX4_EN_1G_SPEED        = 0x02,
+        MLX4_EN_10G_SPEED_XFI   = 0x01,
+        MLX4_EN_10G_SPEED_XAUI  = 0x00,
+        MLX4_EN_40G_SPEED       = 0x40,
+        MLX4_EN_OTHER_SPEED     = 0x0f,
+};
+
 struct mlx4_en_query_port_context {
         u8 link_up;
 #define MLX4_EN_LINK_UP_MASK    0x80
@@ -101,8 +109,7 @@ struct mlx4_en_query_port_context {
         __be16 mtu;
         u8 reserved2;
         u8 link_speed;
-#define MLX4_EN_SPEED_MASK      0x3
-#define MLX4_EN_1G_SPEED        0x2
+#define MLX4_EN_SPEED_MASK      0x43
         u16 reserved3[5];
         __be64 mac;
         u8 transceiver;