1/*
2 * drivers/net/ethernet/mellanox/mlxsw/txheader.h
3 * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com>
5 * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the names of the copyright holders nor the names of its
16 *    contributors may be used to endorse or promote products derived from
17 *    this software without specific prior written permission.
18 *
19 * Alternatively, this software may be distributed under the terms of the
20 * GNU General Public License ("GPL") version 2 as published by the Free
21 * Software Foundation.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36#ifndef _MLXSW_TXHEADER_H
37#define _MLXSW_TXHEADER_H
38
39#define MLXSW_TXHDR_LEN 0x10
40#define MLXSW_TXHDR_VERSION_0 0
41#define MLXSW_TXHDR_VERSION_1 1
42
43enum {
44	MLXSW_TXHDR_ETH_CTL,
45	MLXSW_TXHDR_ETH_DATA,
46};
47
48#define MLXSW_TXHDR_PROTO_ETH 1
49
50enum {
51	MLXSW_TXHDR_ETCLASS_0,
52	MLXSW_TXHDR_ETCLASS_1,
53	MLXSW_TXHDR_ETCLASS_2,
54	MLXSW_TXHDR_ETCLASS_3,
55	MLXSW_TXHDR_ETCLASS_4,
56	MLXSW_TXHDR_ETCLASS_5,
57	MLXSW_TXHDR_ETCLASS_6,
58	MLXSW_TXHDR_ETCLASS_7,
59};
60
61enum {
62	MLXSW_TXHDR_RDQ_OTHER,
63	MLXSW_TXHDR_RDQ_EMAD = 0x1f,
64};
65
66#define MLXSW_TXHDR_CTCLASS3 0
67#define MLXSW_TXHDR_CPU_SIG 0
68#define MLXSW_TXHDR_SIG 0xE0E0
69#define MLXSW_TXHDR_STCLASS_NONE 0
70
71enum {
72	MLXSW_TXHDR_NOT_EMAD,
73	MLXSW_TXHDR_EMAD,
74};
75
76enum {
77	MLXSW_TXHDR_TYPE_DATA,
78	MLXSW_TXHDR_TYPE_CONTROL = 6,
79};
80
81#endif
82