1*4882a593Smuzhiyun /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2*4882a593Smuzhiyun /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun #ifndef _MLXSW_EMAD_H
5*4882a593Smuzhiyun #define _MLXSW_EMAD_H
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #define MLXSW_EMAD_MAX_FRAME_LEN 1518 /* Length in u8 */
8*4882a593Smuzhiyun #define MLXSW_EMAD_MAX_RETRY 5
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun /* EMAD Ethernet header */
11*4882a593Smuzhiyun #define MLXSW_EMAD_ETH_HDR_LEN 0x10 /* Length in u8 */
12*4882a593Smuzhiyun #define MLXSW_EMAD_EH_DMAC "\x01\x02\xc9\x00\x00\x01"
13*4882a593Smuzhiyun #define MLXSW_EMAD_EH_SMAC "\x00\x02\xc9\x01\x02\x03"
14*4882a593Smuzhiyun #define MLXSW_EMAD_EH_ETHERTYPE 0x8932
15*4882a593Smuzhiyun #define MLXSW_EMAD_EH_MLX_PROTO 0
16*4882a593Smuzhiyun #define MLXSW_EMAD_EH_PROTO_VERSION 0
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun /* EMAD TLV Types */
19*4882a593Smuzhiyun enum {
20*4882a593Smuzhiyun MLXSW_EMAD_TLV_TYPE_END,
21*4882a593Smuzhiyun MLXSW_EMAD_TLV_TYPE_OP,
22*4882a593Smuzhiyun MLXSW_EMAD_TLV_TYPE_STRING,
23*4882a593Smuzhiyun MLXSW_EMAD_TLV_TYPE_REG,
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun /* OP TLV */
27*4882a593Smuzhiyun #define MLXSW_EMAD_OP_TLV_LEN 4 /* Length in u32 */
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun enum {
30*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_CLASS_REG_ACCESS = 1,
31*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_CLASS_IPC = 2,
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun enum mlxsw_emad_op_tlv_status {
35*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_SUCCESS,
36*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_BUSY,
37*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_VERSION_NOT_SUPPORTED,
38*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_UNKNOWN_TLV,
39*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_REGISTER_NOT_SUPPORTED,
40*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_CLASS_NOT_SUPPORTED,
41*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_METHOD_NOT_SUPPORTED,
42*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_BAD_PARAMETER,
43*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_RESOURCE_NOT_AVAILABLE,
44*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_MESSAGE_RECEIPT_ACK,
45*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_STATUS_INTERNAL_ERROR = 0x70,
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun
mlxsw_emad_op_tlv_status_str(u8 status)48*4882a593Smuzhiyun static inline char *mlxsw_emad_op_tlv_status_str(u8 status)
49*4882a593Smuzhiyun {
50*4882a593Smuzhiyun switch (status) {
51*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_SUCCESS:
52*4882a593Smuzhiyun return "operation performed";
53*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_BUSY:
54*4882a593Smuzhiyun return "device is busy";
55*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_VERSION_NOT_SUPPORTED:
56*4882a593Smuzhiyun return "version not supported";
57*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_UNKNOWN_TLV:
58*4882a593Smuzhiyun return "unknown TLV";
59*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_REGISTER_NOT_SUPPORTED:
60*4882a593Smuzhiyun return "register not supported";
61*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_CLASS_NOT_SUPPORTED:
62*4882a593Smuzhiyun return "class not supported";
63*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_METHOD_NOT_SUPPORTED:
64*4882a593Smuzhiyun return "method not supported";
65*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_BAD_PARAMETER:
66*4882a593Smuzhiyun return "bad parameter";
67*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_RESOURCE_NOT_AVAILABLE:
68*4882a593Smuzhiyun return "resource not available";
69*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_MESSAGE_RECEIPT_ACK:
70*4882a593Smuzhiyun return "acknowledged. retransmit";
71*4882a593Smuzhiyun case MLXSW_EMAD_OP_TLV_STATUS_INTERNAL_ERROR:
72*4882a593Smuzhiyun return "internal error";
73*4882a593Smuzhiyun default:
74*4882a593Smuzhiyun return "*UNKNOWN*";
75*4882a593Smuzhiyun }
76*4882a593Smuzhiyun }
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun enum {
79*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_REQUEST,
80*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_RESPONSE
81*4882a593Smuzhiyun };
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun enum {
84*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_METHOD_QUERY = 1,
85*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_METHOD_WRITE = 2,
86*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_METHOD_SEND = 3,
87*4882a593Smuzhiyun MLXSW_EMAD_OP_TLV_METHOD_EVENT = 5,
88*4882a593Smuzhiyun };
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun /* STRING TLV */
91*4882a593Smuzhiyun #define MLXSW_EMAD_STRING_TLV_LEN 33 /* Length in u32 */
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun /* END TLV */
94*4882a593Smuzhiyun #define MLXSW_EMAD_END_TLV_LEN 1 /* Length in u32 */
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun #endif
97