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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
[linux-2.6-block.git] / drivers / net / ethernet / mellanox / mlx5 / core / ipoib / ethtool.c
CommitLineData
076b0936
ES		 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"
9c2c1c5e 35#include "en/fs_ethtool.h"
076b0936
ES		 36
37static 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);
f029c781 43 strscpy(drvinfo->driver, KBUILD_MODNAME "[ib_ipoib]",
1d1c3436 44 sizeof(drvinfo->driver));
076b0936
ES		 45}
46
c045deef 47static void mlx5i_get_strings(struct net_device *dev, u32 stringset, u8 *data)
076b0936
ES		 48{
49 struct mlx5e_priv *priv = mlx5i_epriv(dev);
50
51 mlx5e_ethtool_get_strings(priv, stringset, data);
52}
53
54static 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
61static 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
70static int mlx5i_set_ringparam(struct net_device *dev,
74624944
HC		 71 struct ethtool_ringparam *param,
72 struct kernel_ethtool_ringparam *kernel_param,
73 struct netlink_ext_ack *extack)
076b0936
ES		 74{
75 struct mlx5e_priv *priv = mlx5i_epriv(dev);
76
ab666b52 77 return mlx5e_ethtool_set_ringparam(priv, param, extack);
076b0936
ES		 78}
79
80static void mlx5i_get_ringparam(struct net_device *dev,
74624944
HC		 81 struct ethtool_ringparam *param,
82 struct kernel_ethtool_ringparam *kernel_param,
83 struct netlink_ext_ack *extack)
076b0936
ES		 84{
85 struct mlx5e_priv *priv = mlx5i_epriv(dev);
86
07071e47 87 mlx5e_ethtool_get_ringparam(priv, param, kernel_param);
076b0936
ES		 88}
89
90static int mlx5i_set_channels(struct net_device *dev,
91 struct ethtool_channels *ch)
92{
806a8df7
DT		 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);
076b0936
ES		 108}
109
110static 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
118static int mlx5i_set_coalesce(struct net_device *netdev,
f3ccfda1
YM		 119 struct ethtool_coalesce *coal,
120 struct kernel_ethtool_coalesce *kernel_coal,
121 struct netlink_ext_ack *extack)
076b0936
ES		 122{
123 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
124
bc541621 125 return mlx5e_ethtool_set_coalesce(priv, coal, kernel_coal, extack);
076b0936
ES		 126}
127
128static int mlx5i_get_coalesce(struct net_device *netdev,
f3ccfda1
YM		 129 struct ethtool_coalesce *coal,
130 struct kernel_ethtool_coalesce *kernel_coal,
131 struct netlink_ext_ack *extack)
076b0936
ES		 132{
133 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
134
29a943d7 135 return mlx5e_ethtool_get_coalesce(priv, coal, kernel_coal, extack);
076b0936
ES		 136}
137
3844b07e 138static int mlx5i_get_ts_info(struct net_device *netdev,
2111375b 139 struct kernel_ethtool_ts_info *info)
3844b07e
FD		 140{
141 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
142
143 return mlx5e_ethtool_get_ts_info(priv, info);
144}
145
f43d48d1
EBE		 146static 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
eb234ee9
SL		 154static 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
166enum 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,
ab57a912 174 MLX5_PTYS_RATE_NDR = 1 << 7,
ce231772 175 MLX5_PTYS_RATE_XDR = 1 << 8,
eb234ee9
SL		 176};
177
178static 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;
ab57a912 188 case MLX5_PTYS_RATE_NDR: return 100000;
ce231772 189 case MLX5_PTYS_RATE_XDR: return 200000;
eb234ee9
SL		 190 default: return -1;
191 }
192}
193
8aa5f171 194static u32 mlx5i_get_speed_settings(u16 ib_link_width_oper, u16 ib_proto_oper)
eb234ee9
SL		 195{
196 int rate, width;
197
198 rate = mlx5_ptys_rate_enum_to_int(ib_proto_oper);
199 if (rate < 0)
8aa5f171 200 return SPEED_UNKNOWN;
eb234ee9
SL		 201 width = mlx5_ptys_width_enum_to_int(ib_link_width_oper);
202 if (width < 0)
8aa5f171 203 return SPEED_UNKNOWN;
eb234ee9
SL		 204
205 return rate * width;
206}
207
208static int mlx5i_get_link_ksettings(struct net_device *netdev,
209 struct ethtool_link_ksettings *link_ksettings)
210{
639bf441
AL		 211 struct mlx5e_priv *priv = mlx5i_epriv(netdev);
212 struct mlx5_core_dev *mdev = priv->mdev;
eb234ee9
SL		 213 u16 ib_link_width_oper;
214 u16 ib_proto_oper;
215 int speed, ret;
216
639bf441 217 ret = mlx5_query_ib_port_oper(mdev, &ib_link_width_oper, &ib_proto_oper,
3b43399b 218 1, 0);
eb234ee9
SL		 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);
8aa5f171
DT		 226 link_ksettings->base.speed = speed;
227 link_ksettings->base.duplex = speed == SPEED_UNKNOWN ? DUPLEX_UNKNOWN : DUPLEX_FULL;
eb234ee9 228
eb234ee9
SL		 229 link_ksettings->base.port = PORT_OTHER;
230
231 link_ksettings->base.autoneg = AUTONEG_DISABLE;
232
eb234ee9
SL		 233 return 0;
234}
235
038e5e47
SD		 236static u32 mlx5i_flow_type_mask(u32 flow_type)
237{
238 return flow_type & ~(FLOW_EXT | FLOW_MAC_EXT | FLOW_RSS);
239}
240
9fbe1c25
MB		 241static 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
252static 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
675b9d51
GP		 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
9fbe1c25
MB		 267 return mlx5e_ethtool_get_rxnfc(priv, info, rule_locs);
268}
9fbe1c25 269
076b0936 270const struct ethtool_ops mlx5i_ethtool_ops = {
55808762
JK		 271 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
272 ETHTOOL_COALESCE_MAX_FRAMES |
273 ETHTOOL_COALESCE_USE_ADAPTIVE,
eb234ee9
SL		 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,
f43d48d1 280 .flash_device = mlx5i_flash_device,
eb234ee9
SL		 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,
9fbe1c25
MB		 286 .get_rxnfc = mlx5i_get_rxnfc,
287 .set_rxnfc = mlx5i_set_rxnfc,
eb234ee9
SL		 288 .get_link_ksettings = mlx5i_get_link_ksettings,
289 .get_link = ethtool_op_get_link,
076b0936 290};
6a910233
AV		 291
292const struct ethtool_ops mlx5i_pkey_ethtool_ops = {
293 .get_drvinfo = mlx5i_get_drvinfo,
294 .get_link = ethtool_op_get_link,
93b66472 295 .get_ts_info = mlx5i_get_ts_info,
6a910233 296};
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