/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */ /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */ #ifndef _MLXSW_EMAD_H #define _MLXSW_EMAD_H #define MLXSW_EMAD_MAX_FRAME_LEN 1518 /* Length in u8 */ #define MLXSW_EMAD_MAX_RETRY 5 /* EMAD Ethernet header */ #define MLXSW_EMAD_ETH_HDR_LEN 0x10 /* Length in u8 */ #define MLXSW_EMAD_EH_DMAC "\x01\x02\xc9\x00\x00\x01" #define MLXSW_EMAD_EH_SMAC "\x00\x02\xc9\x01\x02\x03" #define MLXSW_EMAD_EH_ETHERTYPE 0x8932 #define MLXSW_EMAD_EH_MLX_PROTO 0 #define MLXSW_EMAD_EH_PROTO_VERSION 0 /* EMAD TLV Types */ enum { MLXSW_EMAD_TLV_TYPE_END, MLXSW_EMAD_TLV_TYPE_OP, MLXSW_EMAD_TLV_TYPE_STRING, MLXSW_EMAD_TLV_TYPE_REG, }; /* OP TLV */ #define MLXSW_EMAD_OP_TLV_LEN 4 /* Length in u32 */ enum { MLXSW_EMAD_OP_TLV_CLASS_REG_ACCESS = 1, MLXSW_EMAD_OP_TLV_CLASS_IPC = 2, }; enum mlxsw_emad_op_tlv_status { MLXSW_EMAD_OP_TLV_STATUS_SUCCESS, MLXSW_EMAD_OP_TLV_STATUS_BUSY, MLXSW_EMAD_OP_TLV_STATUS_VERSION_NOT_SUPPORTED, MLXSW_EMAD_OP_TLV_STATUS_UNKNOWN_TLV, MLXSW_EMAD_OP_TLV_STATUS_REGISTER_NOT_SUPPORTED, MLXSW_EMAD_OP_TLV_STATUS_CLASS_NOT_SUPPORTED, MLXSW_EMAD_OP_TLV_STATUS_METHOD_NOT_SUPPORTED, MLXSW_EMAD_OP_TLV_STATUS_BAD_PARAMETER, MLXSW_EMAD_OP_TLV_STATUS_RESOURCE_NOT_AVAILABLE, MLXSW_EMAD_OP_TLV_STATUS_MESSAGE_RECEIPT_ACK, MLXSW_EMAD_OP_TLV_STATUS_INTERNAL_ERROR = 0x70, }; static inline char *mlxsw_emad_op_tlv_status_str(u8 status) { switch (status) { case MLXSW_EMAD_OP_TLV_STATUS_SUCCESS: return "operation performed"; case MLXSW_EMAD_OP_TLV_STATUS_BUSY: return "device is busy"; case MLXSW_EMAD_OP_TLV_STATUS_VERSION_NOT_SUPPORTED: return "version not supported"; case MLXSW_EMAD_OP_TLV_STATUS_UNKNOWN_TLV: return "unknown TLV"; case MLXSW_EMAD_OP_TLV_STATUS_REGISTER_NOT_SUPPORTED: return "register not supported"; case MLXSW_EMAD_OP_TLV_STATUS_CLASS_NOT_SUPPORTED: return "class not supported"; case MLXSW_EMAD_OP_TLV_STATUS_METHOD_NOT_SUPPORTED: return "method not supported"; case MLXSW_EMAD_OP_TLV_STATUS_BAD_PARAMETER: return "bad parameter"; case MLXSW_EMAD_OP_TLV_STATUS_RESOURCE_NOT_AVAILABLE: return "resource not available"; case MLXSW_EMAD_OP_TLV_STATUS_MESSAGE_RECEIPT_ACK: return "acknowledged. retransmit"; case MLXSW_EMAD_OP_TLV_STATUS_INTERNAL_ERROR: return "internal error"; default: return "*UNKNOWN*"; } } enum { MLXSW_EMAD_OP_TLV_REQUEST, MLXSW_EMAD_OP_TLV_RESPONSE }; enum { MLXSW_EMAD_OP_TLV_METHOD_QUERY = 1, MLXSW_EMAD_OP_TLV_METHOD_WRITE = 2, MLXSW_EMAD_OP_TLV_METHOD_SEND = 3, MLXSW_EMAD_OP_TLV_METHOD_EVENT = 5, }; /* STRING TLV */ #define MLXSW_EMAD_STRING_TLV_LEN 33 /* Length in u32 */ /* END TLV */ #define MLXSW_EMAD_END_TLV_LEN 1 /* Length in u32 */ #endif