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 { 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 struct kernel_ethtool_coalesce *kernel_coal, 104 struct netlink_ext_ack *extack) 105 { 106 struct mlx5e_priv *priv = mlx5i_epriv(netdev); 107 108 return mlx5e_ethtool_set_coalesce(priv, coal); 109 } 110 111 static int mlx5i_get_coalesce(struct net_device *netdev, 112 struct ethtool_coalesce *coal, 113 struct kernel_ethtool_coalesce *kernel_coal, 114 struct netlink_ext_ack *extack) 115 { 116 struct mlx5e_priv *priv = mlx5i_epriv(netdev); 117 118 return mlx5e_ethtool_get_coalesce(priv, coal); 119 } 120 121 static int mlx5i_get_ts_info(struct net_device *netdev, 122 struct ethtool_ts_info *info) 123 { 124 struct mlx5e_priv *priv = mlx5i_epriv(netdev); 125 126 return mlx5e_ethtool_get_ts_info(priv, info); 127 } 128 129 static int mlx5i_flash_device(struct net_device *netdev, 130 struct ethtool_flash *flash) 131 { 132 struct mlx5e_priv *priv = mlx5i_epriv(netdev); 133 134 return mlx5e_ethtool_flash_device(priv, flash); 135 } 136 137 static inline int mlx5_ptys_width_enum_to_int(enum mlx5_ptys_width width) 138 { 139 switch (width) { 140 case MLX5_PTYS_WIDTH_1X: return 1; 141 case MLX5_PTYS_WIDTH_2X: return 2; 142 case MLX5_PTYS_WIDTH_4X: return 4; 143 case MLX5_PTYS_WIDTH_8X: return 8; 144 case MLX5_PTYS_WIDTH_12X: return 12; 145 default: return -1; 146 } 147 } 148 149 enum mlx5_ptys_rate { 150 MLX5_PTYS_RATE_SDR = 1 << 0, 151 MLX5_PTYS_RATE_DDR = 1 << 1, 152 MLX5_PTYS_RATE_QDR = 1 << 2, 153 MLX5_PTYS_RATE_FDR10 = 1 << 3, 154 MLX5_PTYS_RATE_FDR = 1 << 4, 155 MLX5_PTYS_RATE_EDR = 1 << 5, 156 MLX5_PTYS_RATE_HDR = 1 << 6, 157 MLX5_PTYS_RATE_NDR = 1 << 7, 158 }; 159 160 static inline int mlx5_ptys_rate_enum_to_int(enum mlx5_ptys_rate rate) 161 { 162 switch (rate) { 163 case MLX5_PTYS_RATE_SDR: return 2500; 164 case MLX5_PTYS_RATE_DDR: return 5000; 165 case MLX5_PTYS_RATE_QDR: 166 case MLX5_PTYS_RATE_FDR10: return 10000; 167 case MLX5_PTYS_RATE_FDR: return 14000; 168 case MLX5_PTYS_RATE_EDR: return 25000; 169 case MLX5_PTYS_RATE_HDR: return 50000; 170 case MLX5_PTYS_RATE_NDR: return 100000; 171 default: return -1; 172 } 173 } 174 175 static int mlx5i_get_speed_settings(u16 ib_link_width_oper, u16 ib_proto_oper) 176 { 177 int rate, width; 178 179 rate = mlx5_ptys_rate_enum_to_int(ib_proto_oper); 180 if (rate < 0) 181 return -EINVAL; 182 width = mlx5_ptys_width_enum_to_int(ib_link_width_oper); 183 if (width < 0) 184 return -EINVAL; 185 186 return rate * width; 187 } 188 189 static int mlx5i_get_link_ksettings(struct net_device *netdev, 190 struct ethtool_link_ksettings *link_ksettings) 191 { 192 struct mlx5e_priv *priv = mlx5i_epriv(netdev); 193 struct mlx5_core_dev *mdev = priv->mdev; 194 u16 ib_link_width_oper; 195 u16 ib_proto_oper; 196 int speed, ret; 197 198 ret = mlx5_query_ib_port_oper(mdev, &ib_link_width_oper, &ib_proto_oper, 199 1); 200 if (ret) 201 return ret; 202 203 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported); 204 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); 205 206 speed = mlx5i_get_speed_settings(ib_link_width_oper, ib_proto_oper); 207 if (speed < 0) 208 return -EINVAL; 209 210 link_ksettings->base.duplex = DUPLEX_FULL; 211 link_ksettings->base.port = PORT_OTHER; 212 213 link_ksettings->base.autoneg = AUTONEG_DISABLE; 214 215 link_ksettings->base.speed = speed; 216 217 return 0; 218 } 219 220 #ifdef CONFIG_MLX5_EN_RXNFC 221 static u32 mlx5i_flow_type_mask(u32 flow_type) 222 { 223 return flow_type & ~(FLOW_EXT | FLOW_MAC_EXT | FLOW_RSS); 224 } 225 226 static int mlx5i_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 227 { 228 struct mlx5e_priv *priv = mlx5i_epriv(dev); 229 struct ethtool_rx_flow_spec *fs = &cmd->fs; 230 231 if (mlx5i_flow_type_mask(fs->flow_type) == ETHER_FLOW) 232 return -EINVAL; 233 234 return mlx5e_ethtool_set_rxnfc(priv, cmd); 235 } 236 237 static int mlx5i_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 238 u32 *rule_locs) 239 { 240 struct mlx5e_priv *priv = mlx5i_epriv(dev); 241 242 return mlx5e_ethtool_get_rxnfc(priv, info, rule_locs); 243 } 244 #endif 245 246 const struct ethtool_ops mlx5i_ethtool_ops = { 247 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 248 ETHTOOL_COALESCE_MAX_FRAMES | 249 ETHTOOL_COALESCE_USE_ADAPTIVE, 250 .get_drvinfo = mlx5i_get_drvinfo, 251 .get_strings = mlx5i_get_strings, 252 .get_sset_count = mlx5i_get_sset_count, 253 .get_ethtool_stats = mlx5i_get_ethtool_stats, 254 .get_ringparam = mlx5i_get_ringparam, 255 .set_ringparam = mlx5i_set_ringparam, 256 .flash_device = mlx5i_flash_device, 257 .get_channels = mlx5i_get_channels, 258 .set_channels = mlx5i_set_channels, 259 .get_coalesce = mlx5i_get_coalesce, 260 .set_coalesce = mlx5i_set_coalesce, 261 .get_ts_info = mlx5i_get_ts_info, 262 #ifdef CONFIG_MLX5_EN_RXNFC 263 .get_rxnfc = mlx5i_get_rxnfc, 264 .set_rxnfc = mlx5i_set_rxnfc, 265 #endif 266 .get_link_ksettings = mlx5i_get_link_ksettings, 267 .get_link = ethtool_op_get_link, 268 }; 269 270 const struct ethtool_ops mlx5i_pkey_ethtool_ops = { 271 .get_drvinfo = mlx5i_get_drvinfo, 272 .get_link = ethtool_op_get_link, 273 .get_ts_info = mlx5i_get_ts_info, 274 }; 275