mlx4_en: Reporting HW revision in ethtool -i

HW revision is derived from device ID and rev id.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 19 insertions, 1 deletions

diff --git a/drivers/net/mlx4/en_ethtool.c b/drivers/net/mlx4/en_ethtool.c
index c1f351f6ae5..62ace6c72b4 100644
--- a/drivers/net/mlx4/en_ethtool.c
+++ b/drivers/net/mlx4/en_ethtool.c
@@ -45,7 +45,20 @@ mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
         struct mlx4_en_priv *priv = netdev_priv(dev);
         struct mlx4_en_dev *mdev = priv->mdev;
 
-        sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id);
+        switch (mdev->dev->rev_id) {
+        case 0xa0:
+                if (dev->dev_id >= MLX4_EN_CX3_LOW_ID && dev->dev_id <= MLX4_EN_CX3_HIGH_ID)
+                        sprintf(drvinfo->driver, DRV_NAME " (%s_CX-3)", mdev->dev->board_id);
+                else
+                        sprintf(drvinfo->driver, DRV_NAME " (%s_CX)", mdev->dev->board_id);
+                break;
+        case 0xb0:
+                sprintf(drvinfo->driver, DRV_NAME " (%s_CX-2)", mdev->dev->board_id);
+                break;
+        default:
+                sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id);
+                break;
+        }
         strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32);
         sprintf(drvinfo->fw_version, "%d.%d.%d",
                 (u16) (mdev->dev->caps.fw_ver >> 32),
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 42d4fb47787..5bebb8800ab 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -1139,6 +1139,8 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
         INIT_LIST_HEAD(&priv->pgdir_list);
         mutex_init(&priv->pgdir_mutex);
 
+        pci_read_config_byte(pdev, PCI_REVISION_ID, &dev->rev_id);
+
         /*
          * Now reset the HCA before we touch the PCI capabilities or
          * attempt a firmware command, since a boot ROM may have left
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h
index 07aea8d0bee..ad4df66750b 100644
--- a/drivers/net/mlx4/mlx4_en.h
+++ b/drivers/net/mlx4/mlx4_en.h
@@ -216,6 +216,9 @@ struct mlx4_en_tx_desc {
 
 #define MLX4_EN_USE_SRQ         0x01000000
 
+#define MLX4_EN_CX3_LOW_ID      0x1000
+#define MLX4_EN_CX3_HIGH_ID     0x1005
+
 struct mlx4_en_rx_alloc {
         struct page *page;
         u16 offset;