1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/*
* Copyright (c) 2016, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/module.h>
#include <linux/mlx5/vport.h>
#include "mlx5_ib.h"
static inline u32 mlx_to_net_policy(enum port_state_policy mlx_policy)
{
switch (mlx_policy) {
case MLX5_POLICY_DOWN:
return IFLA_VF_LINK_STATE_DISABLE;
case MLX5_POLICY_UP:
return IFLA_VF_LINK_STATE_ENABLE;
case MLX5_POLICY_FOLLOW:
return IFLA_VF_LINK_STATE_AUTO;
default:
return __IFLA_VF_LINK_STATE_MAX;
}
}
int mlx5_ib_get_vf_config(struct ib_device *device, int vf, u8 port,
struct ifla_vf_info *info)
{
struct mlx5_ib_dev *dev = to_mdev(device);
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_hca_vport_context *rep;
int err;
rep = kzalloc(sizeof(*rep), GFP_KERNEL);
if (!rep)
return -ENOMEM;
err = mlx5_query_hca_vport_context(mdev, 1, 1, vf + 1, rep);
if (err) {
mlx5_ib_warn(dev, "failed to query port policy for vf %d (%d)\n",
vf, err);
goto free;
}
memset(info, 0, sizeof(*info));
info->linkstate = mlx_to_net_policy(rep->policy);
if (info->linkstate == __IFLA_VF_LINK_STATE_MAX)
err = -EINVAL;
free:
kfree(rep);
return err;
}
static inline enum port_state_policy net_to_mlx_policy(int policy)
{
switch (policy) {
case IFLA_VF_LINK_STATE_DISABLE:
return MLX5_POLICY_DOWN;
case IFLA_VF_LINK_STATE_ENABLE:
return MLX5_POLICY_UP;
case IFLA_VF_LINK_STATE_AUTO:
return MLX5_POLICY_FOLLOW;
default:
return MLX5_POLICY_INVALID;
}
}
int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf,
u8 port, int state)
{
struct mlx5_ib_dev *dev = to_mdev(device);
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_hca_vport_context *in;
struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;
int err;
in = kzalloc(sizeof(*in), GFP_KERNEL);
if (!in)
return -ENOMEM;
in->policy = net_to_mlx_policy(state);
if (in->policy == MLX5_POLICY_INVALID) {
err = -EINVAL;
goto out;
}
in->field_select = MLX5_HCA_VPORT_SEL_STATE_POLICY;
err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
if (!err)
vfs_ctx[vf].policy = in->policy;
out:
kfree(in);
return err;
}
int mlx5_ib_get_vf_stats(struct ib_device *device, int vf,
u8 port, struct ifla_vf_stats *stats)
{
int out_sz = MLX5_ST_SZ_BYTES(query_vport_counter_out);
struct mlx5_core_dev *mdev;
struct mlx5_ib_dev *dev;
void *out;
int err;
dev = to_mdev(device);
mdev = dev->mdev;
out = kzalloc(out_sz, GFP_KERNEL);
if (!out)
return -ENOMEM;
err = mlx5_core_query_vport_counter(mdev, true, vf, port, out, out_sz);
if (err)
goto ex;
stats->rx_packets = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_unicast.packets);
stats->tx_packets = MLX5_GET64_PR(query_vport_counter_out, out, transmitted_ib_unicast.packets);
stats->rx_bytes = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_unicast.octets);
stats->tx_bytes = MLX5_GET64_PR(query_vport_counter_out, out, transmitted_ib_unicast.octets);
stats->multicast = MLX5_GET64_PR(query_vport_counter_out, out, received_ib_multicast.packets);
ex:
kfree(out);
return err;
}
static int set_vf_node_guid(struct ib_device *device, int vf, u8 port, u64 guid)
{
struct mlx5_ib_dev *dev = to_mdev(device);
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_hca_vport_context *in;
struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;
int err;
in = kzalloc(sizeof(*in), GFP_KERNEL);
if (!in)
return -ENOMEM;
in->field_select = MLX5_HCA_VPORT_SEL_NODE_GUID;
in->node_guid = guid;
err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
if (!err)
vfs_ctx[vf].node_guid = guid;
kfree(in);
return err;
}
static int set_vf_port_guid(struct ib_device *device, int vf, u8 port, u64 guid)
{
struct mlx5_ib_dev *dev = to_mdev(device);
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_hca_vport_context *in;
struct mlx5_vf_context *vfs_ctx = mdev->priv.sriov.vfs_ctx;
int err;
in = kzalloc(sizeof(*in), GFP_KERNEL);
if (!in)
return -ENOMEM;
in->field_select = MLX5_HCA_VPORT_SEL_PORT_GUID;
in->port_guid = guid;
err = mlx5_core_modify_hca_vport_context(mdev, 1, 1, vf + 1, in);
if (!err)
vfs_ctx[vf].port_guid = guid;
kfree(in);
return err;
}
int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port,
u64 guid, int type)
{
if (type == IFLA_VF_IB_NODE_GUID)
return set_vf_node_guid(device, vf, port, guid);
else if (type == IFLA_VF_IB_PORT_GUID)
return set_vf_port_guid(device, vf, port, guid);
return -EINVAL;
}
int mlx5_ib_get_vf_guid(struct ib_device *device, int vf, u8 port,
struct ifla_vf_guid *node_guid,
struct ifla_vf_guid *port_guid)
{
struct mlx5_ib_dev *dev = to_mdev(device);
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_hca_vport_context *rep;
int err;
rep = kzalloc(sizeof(*rep), GFP_KERNEL);
if (!rep)
return -ENOMEM;
err = mlx5_query_hca_vport_context(mdev, 1, 1, vf+1, rep);
if (err)
goto ex;
port_guid->guid = rep->port_guid;
node_guid->guid = rep->node_guid;
ex:
kfree(rep);
return err;
}
|
