root/drivers/net/ethernet/mellanox/mlxsw/emad.h

INCLUDED FROM

DEFINITIONS

1. mlxsw_emad_op_tlv_status_str

   1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
   2 /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
   3 
   4 #ifndef _MLXSW_EMAD_H
   5 #define _MLXSW_EMAD_H
   6 
   7 #define MLXSW_EMAD_MAX_FRAME_LEN 1518   /* Length in u8 */
   8 #define MLXSW_EMAD_MAX_RETRY 5
   9 
  10 /* EMAD Ethernet header */
  11 #define MLXSW_EMAD_ETH_HDR_LEN 0x10     /* Length in u8 */
  12 #define MLXSW_EMAD_EH_DMAC "\x01\x02\xc9\x00\x00\x01"
  13 #define MLXSW_EMAD_EH_SMAC "\x00\x02\xc9\x01\x02\x03"
  14 #define MLXSW_EMAD_EH_ETHERTYPE 0x8932
  15 #define MLXSW_EMAD_EH_MLX_PROTO 0
  16 #define MLXSW_EMAD_EH_PROTO_VERSION 0
  17 
  18 /* EMAD TLV Types */
  19 enum {
  20         MLXSW_EMAD_TLV_TYPE_END,
  21         MLXSW_EMAD_TLV_TYPE_OP,
  22         MLXSW_EMAD_TLV_TYPE_DR,
  23         MLXSW_EMAD_TLV_TYPE_REG,
  24         MLXSW_EMAD_TLV_TYPE_USERDATA,
  25         MLXSW_EMAD_TLV_TYPE_OOBETH,
  26 };
  27 
  28 /* OP TLV */
  29 #define MLXSW_EMAD_OP_TLV_LEN 4         /* Length in u32 */
  30 
  31 enum {
  32         MLXSW_EMAD_OP_TLV_CLASS_REG_ACCESS = 1,
  33         MLXSW_EMAD_OP_TLV_CLASS_IPC = 2,
  34 };
  35 
  36 enum mlxsw_emad_op_tlv_status {
  37         MLXSW_EMAD_OP_TLV_STATUS_SUCCESS,
  38         MLXSW_EMAD_OP_TLV_STATUS_BUSY,
  39         MLXSW_EMAD_OP_TLV_STATUS_VERSION_NOT_SUPPORTED,
  40         MLXSW_EMAD_OP_TLV_STATUS_UNKNOWN_TLV,
  41         MLXSW_EMAD_OP_TLV_STATUS_REGISTER_NOT_SUPPORTED,
  42         MLXSW_EMAD_OP_TLV_STATUS_CLASS_NOT_SUPPORTED,
  43         MLXSW_EMAD_OP_TLV_STATUS_METHOD_NOT_SUPPORTED,
  44         MLXSW_EMAD_OP_TLV_STATUS_BAD_PARAMETER,
  45         MLXSW_EMAD_OP_TLV_STATUS_RESOURCE_NOT_AVAILABLE,
  46         MLXSW_EMAD_OP_TLV_STATUS_MESSAGE_RECEIPT_ACK,
  47         MLXSW_EMAD_OP_TLV_STATUS_INTERNAL_ERROR = 0x70,
  48 };
  49 
  50 static inline char *mlxsw_emad_op_tlv_status_str(u8 status)
  51 {
  52         switch (status) {
  53         case MLXSW_EMAD_OP_TLV_STATUS_SUCCESS:
  54                 return "operation performed";
  55         case MLXSW_EMAD_OP_TLV_STATUS_BUSY:
  56                 return "device is busy";
  57         case MLXSW_EMAD_OP_TLV_STATUS_VERSION_NOT_SUPPORTED:
  58                 return "version not supported";
  59         case MLXSW_EMAD_OP_TLV_STATUS_UNKNOWN_TLV:
  60                 return "unknown TLV";
  61         case MLXSW_EMAD_OP_TLV_STATUS_REGISTER_NOT_SUPPORTED:
  62                 return "register not supported";
  63         case MLXSW_EMAD_OP_TLV_STATUS_CLASS_NOT_SUPPORTED:
  64                 return "class not supported";
  65         case MLXSW_EMAD_OP_TLV_STATUS_METHOD_NOT_SUPPORTED:
  66                 return "method not supported";
  67         case MLXSW_EMAD_OP_TLV_STATUS_BAD_PARAMETER:
  68                 return "bad parameter";
  69         case MLXSW_EMAD_OP_TLV_STATUS_RESOURCE_NOT_AVAILABLE:
  70                 return "resource not available";
  71         case MLXSW_EMAD_OP_TLV_STATUS_MESSAGE_RECEIPT_ACK:
  72                 return "acknowledged. retransmit";
  73         case MLXSW_EMAD_OP_TLV_STATUS_INTERNAL_ERROR:
  74                 return "internal error";
  75         default:
  76                 return "*UNKNOWN*";
  77         }
  78 }
  79 
  80 enum {
  81         MLXSW_EMAD_OP_TLV_REQUEST,
  82         MLXSW_EMAD_OP_TLV_RESPONSE
  83 };
  84 
  85 enum {
  86         MLXSW_EMAD_OP_TLV_METHOD_QUERY = 1,
  87         MLXSW_EMAD_OP_TLV_METHOD_WRITE = 2,
  88         MLXSW_EMAD_OP_TLV_METHOD_SEND = 3,
  89         MLXSW_EMAD_OP_TLV_METHOD_EVENT = 5,
  90 };
  91 
  92 /* END TLV */
  93 #define MLXSW_EMAD_END_TLV_LEN 1        /* Length in u32 */
  94 
  95 #endif