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 #include "en/fs_ethtool.h"
36
mlx5i_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * drvinfo)37 static void mlx5i_get_drvinfo(struct net_device *dev,
38 struct ethtool_drvinfo *drvinfo)
39 {
40 struct mlx5e_priv *priv = mlx5i_epriv(dev);
41
42 mlx5e_ethtool_get_drvinfo(priv, drvinfo);
43 strscpy(drvinfo->driver, KBUILD_MODNAME "[ib_ipoib]",
44 sizeof(drvinfo->driver));
45 }
46
mlx5i_get_strings(struct net_device * dev,u32 stringset,u8 * data)47 static void mlx5i_get_strings(struct net_device *dev, u32 stringset, u8 *data)
48 {
49 struct mlx5e_priv *priv = mlx5i_epriv(dev);
50
51 mlx5e_ethtool_get_strings(priv, stringset, data);
52 }
53
mlx5i_get_sset_count(struct net_device * dev,int sset)54 static int mlx5i_get_sset_count(struct net_device *dev, int sset)
55 {
56 struct mlx5e_priv *priv = mlx5i_epriv(dev);
57
58 return mlx5e_ethtool_get_sset_count(priv, sset);
59 }
60
mlx5i_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * data)61 static void mlx5i_get_ethtool_stats(struct net_device *dev,
62 struct ethtool_stats *stats,
63 u64 *data)
64 {
65 struct mlx5e_priv *priv = mlx5i_epriv(dev);
66
67 mlx5e_ethtool_get_ethtool_stats(priv, stats, data);
68 }
69
mlx5i_set_ringparam(struct net_device * dev,struct ethtool_ringparam * param,struct kernel_ethtool_ringparam * kernel_param,struct netlink_ext_ack * extack)70 static int mlx5i_set_ringparam(struct net_device *dev,
71 struct ethtool_ringparam *param,
72 struct kernel_ethtool_ringparam *kernel_param,
73 struct netlink_ext_ack *extack)
74 {
75 struct mlx5e_priv *priv = mlx5i_epriv(dev);
76
77 return mlx5e_ethtool_set_ringparam(priv, param);
78 }
79
mlx5i_get_ringparam(struct net_device * dev,struct ethtool_ringparam * param,struct kernel_ethtool_ringparam * kernel_param,struct netlink_ext_ack * extack)80 static void mlx5i_get_ringparam(struct net_device *dev,
81 struct ethtool_ringparam *param,
82 struct kernel_ethtool_ringparam *kernel_param,
83 struct netlink_ext_ack *extack)
84 {
85 struct mlx5e_priv *priv = mlx5i_epriv(dev);
86
87 mlx5e_ethtool_get_ringparam(priv, param, kernel_param);
88 }
89
mlx5i_set_channels(struct net_device * dev,struct ethtool_channels * ch)90 static int mlx5i_set_channels(struct net_device *dev,
91 struct ethtool_channels *ch)
92 {
93 struct mlx5i_priv *ipriv = netdev_priv(dev);
94 struct mlx5e_priv *epriv = mlx5i_epriv(dev);
95
96 /* rtnl lock protects from race between this ethtool op and sub
97 * interface ndo_init/uninit.
98 */
99 ASSERT_RTNL();
100 if (ipriv->num_sub_interfaces > 0) {
101 mlx5_core_warn(epriv->mdev,
102 "can't change number of channels for interfaces with sub interfaces (%u)\n",
103 ipriv->num_sub_interfaces);
104 return -EINVAL;
105 }
106
107 return mlx5e_ethtool_set_channels(epriv, ch);
108 }
109
mlx5i_get_channels(struct net_device * dev,struct ethtool_channels * ch)110 static void mlx5i_get_channels(struct net_device *dev,
111 struct ethtool_channels *ch)
112 {
113 struct mlx5e_priv *priv = mlx5i_epriv(dev);
114
115 mlx5e_ethtool_get_channels(priv, ch);
116 }
117
mlx5i_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * coal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)118 static int mlx5i_set_coalesce(struct net_device *netdev,
119 struct ethtool_coalesce *coal,
120 struct kernel_ethtool_coalesce *kernel_coal,
121 struct netlink_ext_ack *extack)
122 {
123 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
124
125 return mlx5e_ethtool_set_coalesce(priv, coal, kernel_coal, extack);
126 }
127
mlx5i_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * coal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)128 static int mlx5i_get_coalesce(struct net_device *netdev,
129 struct ethtool_coalesce *coal,
130 struct kernel_ethtool_coalesce *kernel_coal,
131 struct netlink_ext_ack *extack)
132 {
133 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
134
135 return mlx5e_ethtool_get_coalesce(priv, coal, kernel_coal);
136 }
137
mlx5i_get_ts_info(struct net_device * netdev,struct ethtool_ts_info * info)138 static int mlx5i_get_ts_info(struct net_device *netdev,
139 struct ethtool_ts_info *info)
140 {
141 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
142
143 return mlx5e_ethtool_get_ts_info(priv, info);
144 }
145
mlx5i_flash_device(struct net_device * netdev,struct ethtool_flash * flash)146 static int mlx5i_flash_device(struct net_device *netdev,
147 struct ethtool_flash *flash)
148 {
149 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
150
151 return mlx5e_ethtool_flash_device(priv, flash);
152 }
153
mlx5_ptys_width_enum_to_int(enum mlx5_ptys_width width)154 static inline int mlx5_ptys_width_enum_to_int(enum mlx5_ptys_width width)
155 {
156 switch (width) {
157 case MLX5_PTYS_WIDTH_1X: return 1;
158 case MLX5_PTYS_WIDTH_2X: return 2;
159 case MLX5_PTYS_WIDTH_4X: return 4;
160 case MLX5_PTYS_WIDTH_8X: return 8;
161 case MLX5_PTYS_WIDTH_12X: return 12;
162 default: return -1;
163 }
164 }
165
166 enum mlx5_ptys_rate {
167 MLX5_PTYS_RATE_SDR = 1 << 0,
168 MLX5_PTYS_RATE_DDR = 1 << 1,
169 MLX5_PTYS_RATE_QDR = 1 << 2,
170 MLX5_PTYS_RATE_FDR10 = 1 << 3,
171 MLX5_PTYS_RATE_FDR = 1 << 4,
172 MLX5_PTYS_RATE_EDR = 1 << 5,
173 MLX5_PTYS_RATE_HDR = 1 << 6,
174 MLX5_PTYS_RATE_NDR = 1 << 7,
175 MLX5_PTYS_RATE_XDR = 1 << 8,
176 };
177
mlx5_ptys_rate_enum_to_int(enum mlx5_ptys_rate rate)178 static inline int mlx5_ptys_rate_enum_to_int(enum mlx5_ptys_rate rate)
179 {
180 switch (rate) {
181 case MLX5_PTYS_RATE_SDR: return 2500;
182 case MLX5_PTYS_RATE_DDR: return 5000;
183 case MLX5_PTYS_RATE_QDR:
184 case MLX5_PTYS_RATE_FDR10: return 10000;
185 case MLX5_PTYS_RATE_FDR: return 14000;
186 case MLX5_PTYS_RATE_EDR: return 25000;
187 case MLX5_PTYS_RATE_HDR: return 50000;
188 case MLX5_PTYS_RATE_NDR: return 100000;
189 case MLX5_PTYS_RATE_XDR: return 200000;
190 default: return -1;
191 }
192 }
193
mlx5i_get_speed_settings(u16 ib_link_width_oper,u16 ib_proto_oper)194 static u32 mlx5i_get_speed_settings(u16 ib_link_width_oper, u16 ib_proto_oper)
195 {
196 int rate, width;
197
198 rate = mlx5_ptys_rate_enum_to_int(ib_proto_oper);
199 if (rate < 0)
200 return SPEED_UNKNOWN;
201 width = mlx5_ptys_width_enum_to_int(ib_link_width_oper);
202 if (width < 0)
203 return SPEED_UNKNOWN;
204
205 return rate * width;
206 }
207
mlx5i_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * link_ksettings)208 static int mlx5i_get_link_ksettings(struct net_device *netdev,
209 struct ethtool_link_ksettings *link_ksettings)
210 {
211 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
212 struct mlx5_core_dev *mdev = priv->mdev;
213 u16 ib_link_width_oper;
214 u16 ib_proto_oper;
215 int speed, ret;
216
217 ret = mlx5_query_ib_port_oper(mdev, &ib_link_width_oper, &ib_proto_oper,
218 1);
219 if (ret)
220 return ret;
221
222 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
223 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
224
225 speed = mlx5i_get_speed_settings(ib_link_width_oper, ib_proto_oper);
226 link_ksettings->base.speed = speed;
227 link_ksettings->base.duplex = speed == SPEED_UNKNOWN ? DUPLEX_UNKNOWN : DUPLEX_FULL;
228
229 link_ksettings->base.port = PORT_OTHER;
230
231 link_ksettings->base.autoneg = AUTONEG_DISABLE;
232
233 return 0;
234 }
235
mlx5i_flow_type_mask(u32 flow_type)236 static u32 mlx5i_flow_type_mask(u32 flow_type)
237 {
238 return flow_type & ~(FLOW_EXT | FLOW_MAC_EXT | FLOW_RSS);
239 }
240
mlx5i_set_rxnfc(struct net_device * dev,struct ethtool_rxnfc * cmd)241 static int mlx5i_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
242 {
243 struct mlx5e_priv *priv = mlx5i_epriv(dev);
244 struct ethtool_rx_flow_spec *fs = &cmd->fs;
245
246 if (mlx5i_flow_type_mask(fs->flow_type) == ETHER_FLOW)
247 return -EINVAL;
248
249 return mlx5e_ethtool_set_rxnfc(priv, cmd);
250 }
251
mlx5i_get_rxnfc(struct net_device * dev,struct ethtool_rxnfc * info,u32 * rule_locs)252 static int mlx5i_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
253 u32 *rule_locs)
254 {
255 struct mlx5e_priv *priv = mlx5i_epriv(dev);
256
257 /* ETHTOOL_GRXRINGS is needed by ethtool -x which is not part
258 * of rxnfc. We keep this logic out of mlx5e_ethtool_get_rxnfc,
259 * to avoid breaking "ethtool -x" when mlx5e_ethtool_get_rxnfc
260 * is compiled out via CONFIG_MLX5_EN_RXNFC=n.
261 */
262 if (info->cmd == ETHTOOL_GRXRINGS) {
263 info->data = priv->channels.params.num_channels;
264 return 0;
265 }
266
267 return mlx5e_ethtool_get_rxnfc(priv, info, rule_locs);
268 }
269
270 const struct ethtool_ops mlx5i_ethtool_ops = {
271 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
272 ETHTOOL_COALESCE_MAX_FRAMES |
273 ETHTOOL_COALESCE_USE_ADAPTIVE,
274 .get_drvinfo = mlx5i_get_drvinfo,
275 .get_strings = mlx5i_get_strings,
276 .get_sset_count = mlx5i_get_sset_count,
277 .get_ethtool_stats = mlx5i_get_ethtool_stats,
278 .get_ringparam = mlx5i_get_ringparam,
279 .set_ringparam = mlx5i_set_ringparam,
280 .flash_device = mlx5i_flash_device,
281 .get_channels = mlx5i_get_channels,
282 .set_channels = mlx5i_set_channels,
283 .get_coalesce = mlx5i_get_coalesce,
284 .set_coalesce = mlx5i_set_coalesce,
285 .get_ts_info = mlx5i_get_ts_info,
286 .get_rxnfc = mlx5i_get_rxnfc,
287 .set_rxnfc = mlx5i_set_rxnfc,
288 .get_link_ksettings = mlx5i_get_link_ksettings,
289 .get_link = ethtool_op_get_link,
290 };
291
292 const struct ethtool_ops mlx5i_pkey_ethtool_ops = {
293 .get_drvinfo = mlx5i_get_drvinfo,
294 .get_link = ethtool_op_get_link,
295 .get_ts_info = mlx5i_get_ts_info,
296 };
297
