net/mlx4_core: Fix reading HCA max message size in mlx4_QUERY_DEV_CAP

Currently we parse max_msg_sz from the wrong offset in QUERY_DEV_CAP,
fix to use the right offset.

Fixes: 0b131561a7d6 ('net/mlx4_en: Add Flow control statistics [..]')
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index b9881fc..a407981 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -781,10 +781,10 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
        MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET);
        dev_cap->num_ports = field & 0xf;
        MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET);
+       dev_cap->max_msg_sz = 1 << (field & 0x1f);
        MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET);
        if (field & 0x10)
                dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN;
-       dev_cap->max_msg_sz = 1 << (field & 0x1f);
        MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET);
        if (field & 0x80)
                dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN;