drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.h

   1 /*
   2  * drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.h
   3  * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
   4  * Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. Neither the names of the copyright holders nor the names of its
  15  *    contributors may be used to endorse or promote products derived from
  16  *    this software without specific prior written permission.
  17  *
  18  * Alternatively, this software may be distributed under the terms of the
  19  * GNU General Public License ("GPL") version 2 as published by the Free
  20  * Software Foundation.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  */
  34 #ifndef _MLXFW_MFA2_TLV_MULTI_H
  35 #define _MLXFW_MFA2_TLV_MULTI_H
  36
  37 #include "mlxfw_mfa2_tlv.h"
  38 #include "mlxfw_mfa2_format.h"
  39 #include "mlxfw_mfa2_file.h"
  40
  41 const struct mlxfw_mfa2_tlv *
  42 mlxfw_mfa2_tlv_multi_child(const struct mlxfw_mfa2_file *mfa2_file,
  43                            const struct mlxfw_mfa2_tlv_multi *multi);
  44
  45 const struct mlxfw_mfa2_tlv *
  46 mlxfw_mfa2_tlv_next(const struct mlxfw_mfa2_file *mfa2_file,
  47                     const struct mlxfw_mfa2_tlv *tlv);
  48
  49 const struct mlxfw_mfa2_tlv *
  50 mlxfw_mfa2_tlv_advance(const struct mlxfw_mfa2_file *mfa2_file,
  51                        const struct mlxfw_mfa2_tlv *from_tlv, u16 count);
  52
  53 const struct mlxfw_mfa2_tlv *
  54 mlxfw_mfa2_tlv_multi_child_find(const struct mlxfw_mfa2_file *mfa2_file,
  55                                 const struct mlxfw_mfa2_tlv_multi *multi,
  56                                 enum mlxfw_mfa2_tlv_type type, u16 index);
  57
  58 int mlxfw_mfa2_tlv_multi_child_count(const struct mlxfw_mfa2_file *mfa2_file,
  59                                      const struct mlxfw_mfa2_tlv_multi *multi,
  60                                      enum mlxfw_mfa2_tlv_type type,
  61                                      u16 *p_count);
  62
  63 #define mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, from_tlv, count) \
  64         for (idx = 0, tlv = from_tlv; idx < (count); \
  65              idx++, tlv = mlxfw_mfa2_tlv_next(mfa2_file, tlv))
  66
  67 #define mlxfw_mfa2_tlv_multi_foreach(mfa2_file, tlv, idx, multi) \
  68         mlxfw_mfa2_tlv_foreach(mfa2_file, tlv, idx, \
  69                                mlxfw_mfa2_tlv_multi_child(mfa2_file, multi), \
  70                                be16_to_cpu(multi->num_extensions) + 1)
  71 #endif