drivers/net/ethernet/mellanox/mlxsw/txheader.h

   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
  43 enum {
  44         MLXSW_TXHDR_ETH_CTL,
  45         MLXSW_TXHDR_ETH_DATA,
  46 };
  47
  48 #define MLXSW_TXHDR_PROTO_ETH 1
  49
  50 enum {
  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
  61 enum {
  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
  71 enum {
  72         MLXSW_TXHDR_NOT_EMAD,
  73         MLXSW_TXHDR_EMAD,
  74 };
  75
  76 enum {
  77         MLXSW_TXHDR_TYPE_DATA,
  78         MLXSW_TXHDR_TYPE_CONTROL = 6,
  79 };
  80
  81 #endif