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