drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c

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This source file includes following definitions.
mlx5i_get_drvinfo
mlx5i_get_strings
mlx5i_get_sset_count
mlx5i_get_ethtool_stats
mlx5i_set_ringparam
mlx5i_get_ringparam
mlx5i_set_channels
mlx5i_get_channels
mlx5i_set_coalesce
mlx5i_get_coalesce
mlx5i_get_ts_info
mlx5i_flash_device
mlx5_ptys_width_enum_to_int
mlx5_ptys_rate_enum_to_int
mlx5i_get_port_settings
mlx5i_get_speed_settings
mlx5i_get_link_ksettings
   1 /*
   2  * Copyright (c) 2017, Mellanox Technologies. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32 
  33 #include "en.h"
  34 #include "ipoib.h"
  35 
  36 static void mlx5i_get_drvinfo(struct net_device *dev,
  37                               struct ethtool_drvinfo *drvinfo)
  38 {
  39         struct mlx5e_priv *priv = mlx5i_epriv(dev);
  40 
  41         mlx5e_ethtool_get_drvinfo(priv, drvinfo);
  42         strlcpy(drvinfo->driver, DRIVER_NAME "[ib_ipoib]",
  43                 sizeof(drvinfo->driver));
  44 }
  45 
  46 static void mlx5i_get_strings(struct net_device *dev, u32 stringset, u8 *data)
  47 {
  48         struct mlx5e_priv *priv  = mlx5i_epriv(dev);
  49 
  50         mlx5e_ethtool_get_strings(priv, stringset, data);
  51 }
  52 
  53 static int mlx5i_get_sset_count(struct net_device *dev, int sset)
  54 {
  55         struct mlx5e_priv *priv = mlx5i_epriv(dev);
  56 
  57         return mlx5e_ethtool_get_sset_count(priv, sset);
  58 }
  59 
  60 static void mlx5i_get_ethtool_stats(struct net_device *dev,
  61                                     struct ethtool_stats *stats,
  62                                     u64 *data)
  63 {
  64         struct mlx5e_priv *priv = mlx5i_epriv(dev);
  65 
  66         mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
  67 }
  68 
  69 static int mlx5i_set_ringparam(struct net_device *dev,
  70                                struct ethtool_ringparam *param)
  71 {
  72         struct mlx5e_priv *priv = mlx5i_epriv(dev);
  73 
  74         return mlx5e_ethtool_set_ringparam(priv, param);
  75 }
  76 
  77 static void mlx5i_get_ringparam(struct net_device *dev,
  78                                 struct ethtool_ringparam *param)
  79 {
  80         struct mlx5e_priv *priv = mlx5i_epriv(dev);
  81 
  82         mlx5e_ethtool_get_ringparam(priv, param);
  83 }
  84 
  85 static int mlx5i_set_channels(struct net_device *dev,
  86                               struct ethtool_channels *ch)
  87 {
  88         struct mlx5e_priv *priv = mlx5i_epriv(dev);
  89 
  90         return mlx5e_ethtool_set_channels(priv, ch);
  91 }
  92 
  93 static void mlx5i_get_channels(struct net_device *dev,
  94                                struct ethtool_channels *ch)
  95 {
  96         struct mlx5e_priv *priv = mlx5i_epriv(dev);
  97 
  98         mlx5e_ethtool_get_channels(priv, ch);
  99 }
 100 
 101 static int mlx5i_set_coalesce(struct net_device *netdev,
 102                               struct ethtool_coalesce *coal)
 103 {
 104         struct mlx5e_priv *priv = mlx5i_epriv(netdev);
 105 
 106         return mlx5e_ethtool_set_coalesce(priv, coal);
 107 }
 108 
 109 static int mlx5i_get_coalesce(struct net_device *netdev,
 110                               struct ethtool_coalesce *coal)
 111 {
 112         struct mlx5e_priv *priv = mlx5i_epriv(netdev);
 113 
 114         return mlx5e_ethtool_get_coalesce(priv, coal);
 115 }
 116 
 117 static int mlx5i_get_ts_info(struct net_device *netdev,
 118                              struct ethtool_ts_info *info)
 119 {
 120         struct mlx5e_priv *priv = mlx5i_epriv(netdev);
 121 
 122         return mlx5e_ethtool_get_ts_info(priv, info);
 123 }
 124 
 125 static int mlx5i_flash_device(struct net_device *netdev,
 126                               struct ethtool_flash *flash)
 127 {
 128         struct mlx5e_priv *priv = mlx5i_epriv(netdev);
 129 
 130         return mlx5e_ethtool_flash_device(priv, flash);
 131 }
 132 
 133 enum mlx5_ptys_width {
 134         MLX5_PTYS_WIDTH_1X      = 1 << 0,
 135         MLX5_PTYS_WIDTH_2X      = 1 << 1,
 136         MLX5_PTYS_WIDTH_4X      = 1 << 2,
 137         MLX5_PTYS_WIDTH_8X      = 1 << 3,
 138         MLX5_PTYS_WIDTH_12X     = 1 << 4,
 139 };
 140 
 141 static inline int mlx5_ptys_width_enum_to_int(enum mlx5_ptys_width width)
 142 {
 143         switch (width) {
 144         case MLX5_PTYS_WIDTH_1X:  return  1;
 145         case MLX5_PTYS_WIDTH_2X:  return  2;
 146         case MLX5_PTYS_WIDTH_4X:  return  4;
 147         case MLX5_PTYS_WIDTH_8X:  return  8;
 148         case MLX5_PTYS_WIDTH_12X: return 12;
 149         default:                  return -1;
 150         }
 151 }
 152 
 153 enum mlx5_ptys_rate {
 154         MLX5_PTYS_RATE_SDR      = 1 << 0,
 155         MLX5_PTYS_RATE_DDR      = 1 << 1,
 156         MLX5_PTYS_RATE_QDR      = 1 << 2,
 157         MLX5_PTYS_RATE_FDR10    = 1 << 3,
 158         MLX5_PTYS_RATE_FDR      = 1 << 4,
 159         MLX5_PTYS_RATE_EDR      = 1 << 5,
 160         MLX5_PTYS_RATE_HDR      = 1 << 6,
 161 };
 162 
 163 static inline int mlx5_ptys_rate_enum_to_int(enum mlx5_ptys_rate rate)
 164 {
 165         switch (rate) {
 166         case MLX5_PTYS_RATE_SDR:   return 2500;
 167         case MLX5_PTYS_RATE_DDR:   return 5000;
 168         case MLX5_PTYS_RATE_QDR:
 169         case MLX5_PTYS_RATE_FDR10: return 10000;
 170         case MLX5_PTYS_RATE_FDR:   return 14000;
 171         case MLX5_PTYS_RATE_EDR:   return 25000;
 172         case MLX5_PTYS_RATE_HDR:   return 50000;
 173         default:                   return -1;
 174         }
 175 }
 176 
 177 static int mlx5i_get_port_settings(struct net_device *netdev,
 178                                    u16 *ib_link_width_oper, u16 *ib_proto_oper)
 179 {
 180         struct mlx5e_priv *priv    = mlx5i_epriv(netdev);
 181         struct mlx5_core_dev *mdev = priv->mdev;
 182         u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0};
 183         int ret;
 184 
 185         ret = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_IB, 1);
 186         if (ret)
 187                 return ret;
 188 
 189         *ib_link_width_oper = MLX5_GET(ptys_reg, out, ib_link_width_oper);
 190         *ib_proto_oper      = MLX5_GET(ptys_reg, out, ib_proto_oper);
 191 
 192         return 0;
 193 }
 194 
 195 static int mlx5i_get_speed_settings(u16 ib_link_width_oper, u16 ib_proto_oper)
 196 {
 197         int rate, width;
 198 
 199         rate = mlx5_ptys_rate_enum_to_int(ib_proto_oper);
 200         if (rate < 0)
 201                 return -EINVAL;
 202         width = mlx5_ptys_width_enum_to_int(ib_link_width_oper);
 203         if (width < 0)
 204                 return -EINVAL;
 205 
 206         return rate * width;
 207 }
 208 
 209 static int mlx5i_get_link_ksettings(struct net_device *netdev,
 210                                     struct ethtool_link_ksettings *link_ksettings)
 211 {
 212         u16 ib_link_width_oper;
 213         u16 ib_proto_oper;
 214         int speed, ret;
 215 
 216         ret = mlx5i_get_port_settings(netdev, &ib_link_width_oper, &ib_proto_oper);
 217         if (ret)
 218                 return ret;
 219 
 220         ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
 221         ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
 222 
 223         speed = mlx5i_get_speed_settings(ib_link_width_oper, ib_proto_oper);
 224         if (speed < 0)
 225                 return -EINVAL;
 226 
 227         link_ksettings->base.duplex = DUPLEX_FULL;
 228         link_ksettings->base.port = PORT_OTHER;
 229 
 230         link_ksettings->base.autoneg = AUTONEG_DISABLE;
 231 
 232         link_ksettings->base.speed = speed;
 233 
 234         return 0;
 235 }
 236 
 237 const struct ethtool_ops mlx5i_ethtool_ops = {
 238         .get_drvinfo        = mlx5i_get_drvinfo,
 239         .get_strings        = mlx5i_get_strings,
 240         .get_sset_count     = mlx5i_get_sset_count,
 241         .get_ethtool_stats  = mlx5i_get_ethtool_stats,
 242         .get_ringparam      = mlx5i_get_ringparam,
 243         .set_ringparam      = mlx5i_set_ringparam,
 244         .flash_device       = mlx5i_flash_device,
 245         .get_channels       = mlx5i_get_channels,
 246         .set_channels       = mlx5i_set_channels,
 247         .get_coalesce       = mlx5i_get_coalesce,
 248         .set_coalesce       = mlx5i_set_coalesce,
 249         .get_ts_info        = mlx5i_get_ts_info,
 250         .get_link_ksettings = mlx5i_get_link_ksettings,
 251         .get_link           = ethtool_op_get_link,
 252 };
 253 
 254 const struct ethtool_ops mlx5i_pkey_ethtool_ops = {
 255         .get_drvinfo        = mlx5i_get_drvinfo,
 256         .get_link           = ethtool_op_get_link,
 257         .get_ts_info        = mlx5i_get_ts_info,
 258 };
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c

DEFINITIONS
