diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/fw.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 90a28ab670da..0a525604659d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -2460,6 +2460,42 @@ int mlx4_NOP(struct mlx4_dev *dev) MLX4_CMD_NATIVE); } +int mlx4_query_diag_counters(struct mlx4_dev *dev, u8 op_modifier, + const u32 offset[], + u32 value[], size_t array_len, u8 port) +{ + struct mlx4_cmd_mailbox *mailbox; + u32 *outbox; + size_t i; + int ret; + + mailbox = mlx4_alloc_cmd_mailbox(dev); + if (IS_ERR(mailbox)) + return PTR_ERR(mailbox); + + outbox = mailbox->buf; + + ret = mlx4_cmd_box(dev, 0, mailbox->dma, port, op_modifier, + MLX4_CMD_DIAG_RPRT, MLX4_CMD_TIME_CLASS_A, + MLX4_CMD_NATIVE); + if (ret) + goto out; + + for (i = 0; i < array_len; i++) { + if (offset[i] > MLX4_MAILBOX_SIZE) { + ret = -EINVAL; + goto out; + } + + MLX4_GET(value[i], outbox, offset[i]); + } + +out: + mlx4_free_cmd_mailbox(dev, mailbox); + return ret; +} +EXPORT_SYMBOL(mlx4_query_diag_counters); + int mlx4_get_phys_port_id(struct mlx4_dev *dev) { u8 port; |