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, KBUILD_MODNAME "[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 struct kernel_ethtool_ringparam *kernel_param, 72 struct netlink_ext_ack *extack) 73 { 74 struct mlx5e_priv *priv = mlx5i_epriv(dev); 75 76 return mlx5e_ethtool_set_ringparam(priv, param); 77 } 78 79 static void mlx5i_get_ringparam(struct net_device *dev, 80 struct ethtool_ringparam *param, 81 struct kernel_ethtool_ringparam *kernel_param, 82 struct netlink_ext_ack *extack) 83 { 84 struct mlx5e_priv *priv = mlx5i_epriv(dev); 85 86 mlx5e_ethtool_get_ringparam(priv, param); 87 } 88 89 static int mlx5i_set_channels(struct net_device *dev, 90 struct ethtool_channels *ch) 91 { 92 struct mlx5e_priv *priv = mlx5i_epriv(dev); 93 94 return mlx5e_ethtool_set_channels(priv, ch); 95 } 96 97 static void mlx5i_get_channels(struct net_device *dev, 98 struct ethtool_channels *ch) 99 { 100 struct mlx5e_priv *priv = mlx5i_epriv(dev); 101 102 mlx5e_ethtool_get_channels(priv, ch); 103 } 104 105 static int mlx5i_set_coalesce(struct net_device *netdev, 106 struct ethtool_coalesce *coal, 107 struct kernel_ethtool_coalesce *kernel_coal, 108 struct netlink_ext_ack *extack) 109 { 110 struct mlx5e_priv *priv = mlx5i_epriv(netdev); 111 112 return mlx5e_ethtool_set_coalesce(priv, coal, kernel_coal, extack); 113 } 114 115 static int mlx5i_get_coalesce(struct net_device *netdev, 116 struct ethtool_coalesce *coal, 117 struct kernel_ethtool_coalesce *kernel_coal, 118 struct netlink_ext_ack *extack) 119 { 120 struct mlx5e_priv *priv = mlx5i_epriv(netdev); 121 122 return mlx5e_ethtool_get_coalesce(priv, coal, kernel_coal); 123 } 124 125 static int mlx5i_get_ts_info(struct net_device *netdev, 126 struct ethtool_ts_info *info) 127 { 128 struct mlx5e_priv *priv = mlx5i_epriv(netdev); 129 130 return mlx5e_ethtool_get_ts_info(priv, info); 131 } 132 133 static int mlx5i_flash_device(struct net_device *netdev, 134 struct ethtool_flash *flash) 135 { 136 struct mlx5e_priv *priv = mlx5i_epriv(netdev); 137 138 return mlx5e_ethtool_flash_device(priv, flash); 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 MLX5_PTYS_RATE_NDR = 1 << 7, 162 }; 163 164 static inline int mlx5_ptys_rate_enum_to_int(enum mlx5_ptys_rate rate) 165 { 166 switch (rate) { 167 case MLX5_PTYS_RATE_SDR: return 2500; 168 case MLX5_PTYS_RATE_DDR: return 5000; 169 case MLX5_PTYS_RATE_QDR: 170 case MLX5_PTYS_RATE_FDR10: return 10000; 171 case MLX5_PTYS_RATE_FDR: return 14000; 172 case MLX5_PTYS_RATE_EDR: return 25000; 173 case MLX5_PTYS_RATE_HDR: return 50000; 174 case MLX5_PTYS_RATE_NDR: return 100000; 175 default: return -1; 176 } 177 } 178 179 static int mlx5i_get_speed_settings(u16 ib_link_width_oper, u16 ib_proto_oper) 180 { 181 int rate, width; 182 183 rate = mlx5_ptys_rate_enum_to_int(ib_proto_oper); 184 if (rate < 0) 185 return -EINVAL; 186 width = mlx5_ptys_width_enum_to_int(ib_link_width_oper); 187 if (width < 0) 188 return -EINVAL; 189 190 return rate * width; 191 } 192 193 static int mlx5i_get_link_ksettings(struct net_device *netdev, 194 struct ethtool_link_ksettings *link_ksettings) 195 { 196 struct mlx5e_priv *priv = mlx5i_epriv(netdev); 197 struct mlx5_core_dev *mdev = priv->mdev; 198 u16 ib_link_width_oper; 199 u16 ib_proto_oper; 200 int speed, ret; 201 202 ret = mlx5_query_ib_port_oper(mdev, &ib_link_width_oper, &ib_proto_oper, 203 1); 204 if (ret) 205 return ret; 206 207 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported); 208 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); 209 210 speed = mlx5i_get_speed_settings(ib_link_width_oper, ib_proto_oper); 211 if (speed < 0) 212 return -EINVAL; 213 214 link_ksettings->base.duplex = DUPLEX_FULL; 215 link_ksettings->base.port = PORT_OTHER; 216 217 link_ksettings->base.autoneg = AUTONEG_DISABLE; 218 219 link_ksettings->base.speed = speed; 220 221 return 0; 222 } 223 224 #ifdef CONFIG_MLX5_EN_RXNFC 225 static u32 mlx5i_flow_type_mask(u32 flow_type) 226 { 227 return flow_type & ~(FLOW_EXT | FLOW_MAC_EXT | FLOW_RSS); 228 } 229 230 static int mlx5i_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 231 { 232 struct mlx5e_priv *priv = mlx5i_epriv(dev); 233 struct ethtool_rx_flow_spec *fs = &cmd->fs; 234 235 if (mlx5i_flow_type_mask(fs->flow_type) == ETHER_FLOW) 236 return -EINVAL; 237 238 return mlx5e_ethtool_set_rxnfc(priv, cmd); 239 } 240 241 static int mlx5i_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 242 u32 *rule_locs) 243 { 244 struct mlx5e_priv *priv = mlx5i_epriv(dev); 245 246 return mlx5e_ethtool_get_rxnfc(priv, info, rule_locs); 247 } 248 #endif 249 250 const struct ethtool_ops mlx5i_ethtool_ops = { 251 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 252 ETHTOOL_COALESCE_MAX_FRAMES | 253 ETHTOOL_COALESCE_USE_ADAPTIVE, 254 .get_drvinfo = mlx5i_get_drvinfo, 255 .get_strings = mlx5i_get_strings, 256 .get_sset_count = mlx5i_get_sset_count, 257 .get_ethtool_stats = mlx5i_get_ethtool_stats, 258 .get_ringparam = mlx5i_get_ringparam, 259 .set_ringparam = mlx5i_set_ringparam, 260 .flash_device = mlx5i_flash_device, 261 .get_channels = mlx5i_get_channels, 262 .set_channels = mlx5i_set_channels, 263 .get_coalesce = mlx5i_get_coalesce, 264 .set_coalesce = mlx5i_set_coalesce, 265 .get_ts_info = mlx5i_get_ts_info, 266 #ifdef CONFIG_MLX5_EN_RXNFC 267 .get_rxnfc = mlx5i_get_rxnfc, 268 .set_rxnfc = mlx5i_set_rxnfc, 269 #endif 270 .get_link_ksettings = mlx5i_get_link_ksettings, 271 .get_link = ethtool_op_get_link, 272 }; 273 274 const struct ethtool_ops mlx5i_pkey_ethtool_ops = { 275 .get_drvinfo = mlx5i_get_drvinfo, 276 .get_link = ethtool_op_get_link, 277 .get_ts_info = mlx5i_get_ts_info, 278 }; 279