Commit 5bd87709 authored by Shay Drory's avatar Shay Drory Committed by Jakub Kicinski
Browse files

net/mlx5: Add NOT_READY command return status 



Add a new command status MLX5_CMD_STAT_NOT_READY to handle cases
where the firmware is not ready.

Signed-off-by: default avatarShay Drory <shayd@nvidia.com>
Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Reviewed-by: default avatarJacob Keller <jacob.e.keller@intel.com>
Reviewed-by: default avatarKalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20240911201757.1505453-14-saeed@kernel.org


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 9c754d09

drivers/net/ethernet/mellanox/mlx5/core/cmd.c

+6 −1
Original line number Diff line number Diff line
@@ -754,6 +754,8 @@ static const char *cmd_status_str(u8 status) 
		return "bad resource";

	case MLX5_CMD_STAT_RES_BUSY:

		return "resource busy";

	case MLX5_CMD_STAT_NOT_READY:

		return "FW not ready";

	case MLX5_CMD_STAT_LIM_ERR:

		return "limits exceeded";

	case MLX5_CMD_STAT_BAD_RES_STATE_ERR:
@@ -787,6 +789,7 @@ static int cmd_status_to_err(u8 status) 
	case MLX5_CMD_STAT_BAD_SYS_STATE_ERR:		return -EIO;

	case MLX5_CMD_STAT_BAD_RES_ERR:			return -EINVAL;

	case MLX5_CMD_STAT_RES_BUSY:			return -EBUSY;

	case MLX5_CMD_STAT_NOT_READY:			return -EAGAIN;

	case MLX5_CMD_STAT_LIM_ERR:			return -ENOMEM;

	case MLX5_CMD_STAT_BAD_RES_STATE_ERR:		return -EINVAL;

	case MLX5_CMD_STAT_IX_ERR:			return -EINVAL;
@@ -815,14 +818,16 @@ EXPORT_SYMBOL(mlx5_cmd_out_err); 
static void cmd_status_print(struct mlx5_core_dev *dev, void *in, void *out)

{

	u16 opcode, op_mod;

	u8 status;

	u16 uid;



	opcode = in_to_opcode(in);

	op_mod = MLX5_GET(mbox_in, in, op_mod);

	uid    = MLX5_GET(mbox_in, in, uid);

	status = MLX5_GET(mbox_out, out, status);



	if (!uid && opcode != MLX5_CMD_OP_DESTROY_MKEY &&

	    opcode != MLX5_CMD_OP_CREATE_UCTX)

	    opcode != MLX5_CMD_OP_CREATE_UCTX && status != MLX5_CMD_STAT_NOT_READY)

		mlx5_cmd_out_err(dev, opcode, op_mod, out);

}

include/linux/mlx5/device.h

+1 −0
Original line number Diff line number Diff line
@@ -1449,6 +1449,7 @@ enum { 
	MLX5_CMD_STAT_BAD_SYS_STATE_ERR		= 0x4,

	MLX5_CMD_STAT_BAD_RES_ERR		= 0x5,

	MLX5_CMD_STAT_RES_BUSY			= 0x6,

	MLX5_CMD_STAT_NOT_READY			= 0x7,

	MLX5_CMD_STAT_LIM_ERR			= 0x8,

	MLX5_CMD_STAT_BAD_RES_STATE_ERR		= 0x9,

	MLX5_CMD_STAT_IX_ERR			= 0xa,