cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/mellanox/mlxsw/emad.h

/*
 * drivers/net/ethernet/mellanox/mlxsw/emad.h
 * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
 * Copyright (c) 2015 Ido Schimmel <idosch@mellanox.com>
 * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the names of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _MLXSW_EMAD_H

#define _MLXSW_EMAD_H


#define MLXSW_EMAD_MAX_FRAME_LEN 1518	
/* Length in u8 */

#define MLXSW_EMAD_MAX_RETRY 5

/* EMAD Ethernet header */

#define MLXSW_EMAD_ETH_HDR_LEN 0x10	
/* Length in u8 */

#define MLXSW_EMAD_EH_DMAC "\x01\x02\xc9\x00\x00\x01"

#define MLXSW_EMAD_EH_SMAC "\x00\x02\xc9\x01\x02\x03"

#define MLXSW_EMAD_EH_ETHERTYPE 0x8932

#define MLXSW_EMAD_EH_MLX_PROTO 0

#define MLXSW_EMAD_EH_PROTO_VERSION 0

/* EMAD TLV Types */
enum {
	
MLXSW_EMAD_TLV_TYPE_END,
	
MLXSW_EMAD_TLV_TYPE_OP,
	
MLXSW_EMAD_TLV_TYPE_DR,
	
MLXSW_EMAD_TLV_TYPE_REG,
	
MLXSW_EMAD_TLV_TYPE_USERDATA,
	
MLXSW_EMAD_TLV_TYPE_OOBETH,
};

/* OP TLV */

#define MLXSW_EMAD_OP_TLV_LEN 4		
/* Length in u32 */

enum {
	
MLXSW_EMAD_OP_TLV_CLASS_REG_ACCESS = 1,
	
MLXSW_EMAD_OP_TLV_CLASS_IPC = 2,
};


enum mlxsw_emad_op_tlv_status {
	
MLXSW_EMAD_OP_TLV_STATUS_SUCCESS,
	
MLXSW_EMAD_OP_TLV_STATUS_BUSY,
	
MLXSW_EMAD_OP_TLV_STATUS_VERSION_NOT_SUPPORTED,
	
MLXSW_EMAD_OP_TLV_STATUS_UNKNOWN_TLV,
	
MLXSW_EMAD_OP_TLV_STATUS_REGISTER_NOT_SUPPORTED,
	
MLXSW_EMAD_OP_TLV_STATUS_CLASS_NOT_SUPPORTED,
	
MLXSW_EMAD_OP_TLV_STATUS_METHOD_NOT_SUPPORTED,
	
MLXSW_EMAD_OP_TLV_STATUS_BAD_PARAMETER,
	
MLXSW_EMAD_OP_TLV_STATUS_RESOURCE_NOT_AVAILABLE,
	
MLXSW_EMAD_OP_TLV_STATUS_MESSAGE_RECEIPT_ACK,
	
MLXSW_EMAD_OP_TLV_STATUS_INTERNAL_ERROR = 0x70,
};


static inline char *mlxsw_emad_op_tlv_status_str(u8 status) { switch (status) { case MLXSW_EMAD_OP_TLV_STATUS_SUCCESS: return "operation performed"; case MLXSW_EMAD_OP_TLV_STATUS_BUSY: return "device is busy"; case MLXSW_EMAD_OP_TLV_STATUS_VERSION_NOT_SUPPORTED: return "version not supported"; case MLXSW_EMAD_OP_TLV_STATUS_UNKNOWN_TLV: return "unknown TLV"; case MLXSW_EMAD_OP_TLV_STATUS_REGISTER_NOT_SUPPORTED: return "register not supported"; case MLXSW_EMAD_OP_TLV_STATUS_CLASS_NOT_SUPPORTED: return "class not supported"; case MLXSW_EMAD_OP_TLV_STATUS_METHOD_NOT_SUPPORTED: return "method not supported"; case MLXSW_EMAD_OP_TLV_STATUS_BAD_PARAMETER: return "bad parameter"; case MLXSW_EMAD_OP_TLV_STATUS_RESOURCE_NOT_AVAILABLE: return "resource not available"; case MLXSW_EMAD_OP_TLV_STATUS_MESSAGE_RECEIPT_ACK: return "acknowledged. retransmit"; case MLXSW_EMAD_OP_TLV_STATUS_INTERNAL_ERROR: return "internal error"; default: return "*UNKNOWN*"; } }

Contributors

PersonTokensPropCommitsCommitProp
Ido Schimmel87100.00%1100.00%
Total87100.00%1100.00%

enum { MLXSW_EMAD_OP_TLV_REQUEST, MLXSW_EMAD_OP_TLV_RESPONSE }; enum { MLXSW_EMAD_OP_TLV_METHOD_QUERY = 1, MLXSW_EMAD_OP_TLV_METHOD_WRITE = 2, MLXSW_EMAD_OP_TLV_METHOD_SEND = 3, MLXSW_EMAD_OP_TLV_METHOD_EVENT = 5, }; /* END TLV */ #define MLXSW_EMAD_END_TLV_LEN 1 /* Length in u32 */ #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Ido Schimmel224100.00%1100.00%
Total224100.00%1100.00%
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