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
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
/*
* 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 "en.h"
#include "lib/crypto.h"
/* mlx5e global resources should be placed in this file.
* Global resources are common to all the netdevices created on the same nic.
*/
void mlx5e_mkey_set_relaxed_ordering(struct mlx5_core_dev *mdev, void *mkc)
{
bool ro_write = MLX5_CAP_GEN(mdev, relaxed_ordering_write);
bool ro_read = MLX5_CAP_GEN(mdev, relaxed_ordering_read) ||
(pcie_relaxed_ordering_enabled(mdev->pdev) &&
MLX5_CAP_GEN(mdev, relaxed_ordering_read_pci_enabled));
MLX5_SET(mkc, mkc, relaxed_ordering_read, ro_read);
MLX5_SET(mkc, mkc, relaxed_ordering_write, ro_write);
}
int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn, u32 *mkey)
{
int inlen = MLX5_ST_SZ_BYTES(create_mkey_in);
void *mkc;
u32 *in;
int err;
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return -ENOMEM;
mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
MLX5_SET(mkc, mkc, access_mode_1_0, MLX5_MKC_ACCESS_MODE_PA);
MLX5_SET(mkc, mkc, lw, 1);
MLX5_SET(mkc, mkc, lr, 1);
mlx5e_mkey_set_relaxed_ordering(mdev, mkc);
MLX5_SET(mkc, mkc, pd, pdn);
MLX5_SET(mkc, mkc, length64, 1);
MLX5_SET(mkc, mkc, qpn, 0xffffff);
err = mlx5_core_create_mkey(mdev, mkey, in, inlen);
kvfree(in);
return err;
}
int mlx5e_create_tis(struct mlx5_core_dev *mdev, void *in, u32 *tisn)
{
void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx);
MLX5_SET(tisc, tisc, transport_domain, mdev->mlx5e_res.hw_objs.td.tdn);
if (mlx5_lag_is_lacp_owner(mdev))
MLX5_SET(tisc, tisc, strict_lag_tx_port_affinity, 1);
return mlx5_core_create_tis(mdev, in, tisn);
}
void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn)
{
mlx5_core_destroy_tis(mdev, tisn);
}
static void mlx5e_destroy_tises(struct mlx5_core_dev *mdev, u32 tisn[MLX5_MAX_PORTS][MLX5_MAX_NUM_TC])
{
int tc, i;
for (i = 0; i < MLX5_MAX_PORTS; i++)
for (tc = 0; tc < MLX5_MAX_NUM_TC; tc++)
mlx5e_destroy_tis(mdev, tisn[i][tc]);
}
static bool mlx5_lag_should_assign_affinity(struct mlx5_core_dev *mdev)
{
return MLX5_CAP_GEN(mdev, lag_tx_port_affinity) && mlx5e_get_num_lag_ports(mdev) > 1;
}
static int mlx5e_create_tises(struct mlx5_core_dev *mdev, u32 tisn[MLX5_MAX_PORTS][MLX5_MAX_NUM_TC])
{
int tc, i;
int err;
for (i = 0; i < MLX5_MAX_PORTS; i++) {
for (tc = 0; tc < MLX5_MAX_NUM_TC; tc++) {
u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {};
void *tisc;
tisc = MLX5_ADDR_OF(create_tis_in, in, ctx);
MLX5_SET(tisc, tisc, prio, tc << 1);
if (mlx5_lag_should_assign_affinity(mdev))
MLX5_SET(tisc, tisc, lag_tx_port_affinity, i + 1);
err = mlx5e_create_tis(mdev, in, &tisn[i][tc]);
if (err)
goto err_close_tises;
}
}
return 0;
err_close_tises:
for (; i >= 0; i--) {
for (tc--; tc >= 0; tc--)
mlx5e_destroy_tis(mdev, tisn[i][tc]);
tc = MLX5_MAX_NUM_TC;
}
return err;
}
int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev)
{
struct mlx5e_hw_objs *res = &mdev->mlx5e_res.hw_objs;
int err;
err = mlx5_core_alloc_pd(mdev, &res->pdn);
if (err) {
mlx5_core_err(mdev, "alloc pd failed, %d\n", err);
return err;
}
err = mlx5_core_alloc_transport_domain(mdev, &res->td.tdn);
if (err) {
mlx5_core_err(mdev, "alloc td failed, %d\n", err);
goto err_dealloc_pd;
}
err = mlx5e_create_mkey(mdev, res->pdn, &res->mkey);
if (err) {
mlx5_core_err(mdev, "create mkey failed, %d\n", err);
goto err_dealloc_transport_domain;
}
err = mlx5_alloc_bfreg(mdev, &res->bfreg, false, false);
if (err) {
mlx5_core_err(mdev, "alloc bfreg failed, %d\n", err);
goto err_destroy_mkey;
}
err = mlx5e_create_tises(mdev, res->tisn);
if (err) {
mlx5_core_err(mdev, "alloc tises failed, %d\n", err);
goto err_destroy_bfreg;
}
INIT_LIST_HEAD(&res->td.tirs_list);
mutex_init(&res->td.list_lock);
mdev->mlx5e_res.dek_priv = mlx5_crypto_dek_init(mdev);
if (IS_ERR(mdev->mlx5e_res.dek_priv)) {
mlx5_core_err(mdev, "crypto dek init failed, %ld\n",
PTR_ERR(mdev->mlx5e_res.dek_priv));
mdev->mlx5e_res.dek_priv = NULL;
}
return 0;
err_destroy_bfreg:
mlx5_free_bfreg(mdev, &res->bfreg);
err_destroy_mkey:
mlx5_core_destroy_mkey(mdev, res->mkey);
err_dealloc_transport_domain:
mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
err_dealloc_pd:
mlx5_core_dealloc_pd(mdev, res->pdn);
return err;
}
void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev)
{
struct mlx5e_hw_objs *res = &mdev->mlx5e_res.hw_objs;
mlx5_crypto_dek_cleanup(mdev->mlx5e_res.dek_priv);
mdev->mlx5e_res.dek_priv = NULL;
mlx5e_destroy_tises(mdev, res->tisn);
mlx5_free_bfreg(mdev, &res->bfreg);
mlx5_core_destroy_mkey(mdev, res->mkey);
mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
mlx5_core_dealloc_pd(mdev, res->pdn);
memset(res, 0, sizeof(*res));
}
int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb,
bool enable_mc_lb)
{
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_tir *tir;
u8 lb_flags = 0;
int err = 0;
u32 tirn = 0;
int inlen;
void *in;
inlen = MLX5_ST_SZ_BYTES(modify_tir_in);
in = kvzalloc(inlen, GFP_KERNEL);
if (!in)
return -ENOMEM;
if (enable_uc_lb)
lb_flags = MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST;
if (enable_mc_lb)
lb_flags |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST;
if (lb_flags)
MLX5_SET(modify_tir_in, in, ctx.self_lb_block, lb_flags);
MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1);
mutex_lock(&mdev->mlx5e_res.hw_objs.td.list_lock);
list_for_each_entry(tir, &mdev->mlx5e_res.hw_objs.td.tirs_list, list) {
tirn = tir->tirn;
err = mlx5_core_modify_tir(mdev, tirn, in);
if (err)
break;
}
mutex_unlock(&mdev->mlx5e_res.hw_objs.td.list_lock);
kvfree(in);
if (err)
netdev_err(priv->netdev, "refresh tir(0x%x) failed, %d\n", tirn, err);
return err;
}
|
