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Commit | Line | Data |
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6c80b41a LR |
1 | /* |
2 | * Copyright (c) 2017 Mellanox Technologies. All rights reserved. | |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted provided that the following conditions are met: | |
6 | * | |
7 | * 1. Redistributions of source code must retain the above copyright | |
8 | * notice, this list of conditions and the following disclaimer. | |
9 | * 2. Redistributions in binary form must reproduce the above copyright | |
10 | * notice, this list of conditions and the following disclaimer in the | |
11 | * documentation and/or other materials provided with the distribution. | |
12 | * 3. Neither the names of the copyright holders nor the names of its | |
13 | * contributors may be used to endorse or promote products derived from | |
14 | * this software without specific prior written permission. | |
15 | * | |
16 | * Alternatively, this software may be distributed under the terms of the | |
17 | * GNU General Public License ("GPL") version 2 as published by the Free | |
18 | * Software Foundation. | |
19 | * | |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
21 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | |
24 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
30 | * POSSIBILITY OF SUCH DAMAGE. | |
31 | */ | |
32 | ||
e3bf14bd | 33 | #include <linux/module.h> |
bf3c5a93 LR |
34 | #include <linux/pid.h> |
35 | #include <linux/pid_namespace.h> | |
3856ec4b | 36 | #include <linux/mutex.h> |
b4c598a6 | 37 | #include <net/netlink.h> |
00313983 | 38 | #include <rdma/rdma_cm.h> |
6c80b41a LR |
39 | #include <rdma/rdma_netlink.h> |
40 | ||
41 | #include "core_priv.h" | |
00313983 | 42 | #include "cma_priv.h" |
41eda65c | 43 | #include "restrack.h" |
5bd48c18 | 44 | #include "uverbs.h" |
6c80b41a | 45 | |
fb910690 EA |
46 | typedef int (*res_fill_func_t)(struct sk_buff*, bool, |
47 | struct rdma_restrack_entry*, uint32_t); | |
48 | ||
696de2e9 DL |
49 | /* |
50 | * Sort array elements by the netlink attribute name | |
51 | */ | |
b4c598a6 | 52 | static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = { |
696de2e9 DL |
53 | [RDMA_NLDEV_ATTR_CHARDEV] = { .type = NLA_U64 }, |
54 | [RDMA_NLDEV_ATTR_CHARDEV_ABI] = { .type = NLA_U64 }, | |
55 | [RDMA_NLDEV_ATTR_CHARDEV_NAME] = { .type = NLA_NUL_STRING, | |
34d65cd8 | 56 | .len = RDMA_NLDEV_ATTR_EMPTY_STRING }, |
696de2e9 | 57 | [RDMA_NLDEV_ATTR_CHARDEV_TYPE] = { .type = NLA_NUL_STRING, |
34d65cd8 | 58 | .len = RDMA_NLDEV_ATTR_CHARDEV_TYPE_SIZE }, |
f8fc8cd9 | 59 | [RDMA_NLDEV_ATTR_DEV_DIM] = { .type = NLA_U8 }, |
696de2e9 DL |
60 | [RDMA_NLDEV_ATTR_DEV_INDEX] = { .type = NLA_U32 }, |
61 | [RDMA_NLDEV_ATTR_DEV_NAME] = { .type = NLA_NUL_STRING, | |
34d65cd8 | 62 | .len = IB_DEVICE_NAME_MAX }, |
696de2e9 DL |
63 | [RDMA_NLDEV_ATTR_DEV_NODE_TYPE] = { .type = NLA_U8 }, |
64 | [RDMA_NLDEV_ATTR_DEV_PROTOCOL] = { .type = NLA_NUL_STRING, | |
34d65cd8 | 65 | .len = RDMA_NLDEV_ATTR_EMPTY_STRING }, |
696de2e9 DL |
66 | [RDMA_NLDEV_ATTR_DRIVER] = { .type = NLA_NESTED }, |
67 | [RDMA_NLDEV_ATTR_DRIVER_ENTRY] = { .type = NLA_NESTED }, | |
68 | [RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE] = { .type = NLA_U8 }, | |
69 | [RDMA_NLDEV_ATTR_DRIVER_STRING] = { .type = NLA_NUL_STRING, | |
34d65cd8 | 70 | .len = RDMA_NLDEV_ATTR_EMPTY_STRING }, |
696de2e9 DL |
71 | [RDMA_NLDEV_ATTR_DRIVER_S32] = { .type = NLA_S32 }, |
72 | [RDMA_NLDEV_ATTR_DRIVER_S64] = { .type = NLA_S64 }, | |
73 | [RDMA_NLDEV_ATTR_DRIVER_U32] = { .type = NLA_U32 }, | |
74 | [RDMA_NLDEV_ATTR_DRIVER_U64] = { .type = NLA_U64 }, | |
75 | [RDMA_NLDEV_ATTR_FW_VERSION] = { .type = NLA_NUL_STRING, | |
34d65cd8 | 76 | .len = RDMA_NLDEV_ATTR_EMPTY_STRING }, |
696de2e9 DL |
77 | [RDMA_NLDEV_ATTR_LID] = { .type = NLA_U32 }, |
78 | [RDMA_NLDEV_ATTR_LINK_TYPE] = { .type = NLA_NUL_STRING, | |
34d65cd8 | 79 | .len = IFNAMSIZ }, |
696de2e9 DL |
80 | [RDMA_NLDEV_ATTR_LMC] = { .type = NLA_U8 }, |
81 | [RDMA_NLDEV_ATTR_NDEV_INDEX] = { .type = NLA_U32 }, | |
82 | [RDMA_NLDEV_ATTR_NDEV_NAME] = { .type = NLA_NUL_STRING, | |
83 | .len = IFNAMSIZ }, | |
84 | [RDMA_NLDEV_ATTR_NODE_GUID] = { .type = NLA_U64 }, | |
85 | [RDMA_NLDEV_ATTR_PORT_INDEX] = { .type = NLA_U32 }, | |
86 | [RDMA_NLDEV_ATTR_PORT_PHYS_STATE] = { .type = NLA_U8 }, | |
87 | [RDMA_NLDEV_ATTR_PORT_STATE] = { .type = NLA_U8 }, | |
00313983 | 88 | [RDMA_NLDEV_ATTR_RES_CM_ID] = { .type = NLA_NESTED }, |
696de2e9 | 89 | [RDMA_NLDEV_ATTR_RES_CM_IDN] = { .type = NLA_U32 }, |
00313983 | 90 | [RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY] = { .type = NLA_NESTED }, |
a34fc089 | 91 | [RDMA_NLDEV_ATTR_RES_CQ] = { .type = NLA_NESTED }, |
a34fc089 | 92 | [RDMA_NLDEV_ATTR_RES_CQE] = { .type = NLA_U32 }, |
696de2e9 DL |
93 | [RDMA_NLDEV_ATTR_RES_CQN] = { .type = NLA_U32 }, |
94 | [RDMA_NLDEV_ATTR_RES_CQ_ENTRY] = { .type = NLA_NESTED }, | |
95 | [RDMA_NLDEV_ATTR_RES_CTXN] = { .type = NLA_U32 }, | |
96 | [RDMA_NLDEV_ATTR_RES_DST_ADDR] = { | |
97 | .len = sizeof(struct __kernel_sockaddr_storage) }, | |
fccec5b8 | 98 | [RDMA_NLDEV_ATTR_RES_IOVA] = { .type = NLA_U64 }, |
696de2e9 | 99 | [RDMA_NLDEV_ATTR_RES_KERN_NAME] = { .type = NLA_NUL_STRING, |
34d65cd8 | 100 | .len = RDMA_NLDEV_ATTR_EMPTY_STRING }, |
696de2e9 DL |
101 | [RDMA_NLDEV_ATTR_RES_LKEY] = { .type = NLA_U32 }, |
102 | [RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY] = { .type = NLA_U32 }, | |
103 | [RDMA_NLDEV_ATTR_RES_LQPN] = { .type = NLA_U32 }, | |
104 | [RDMA_NLDEV_ATTR_RES_MR] = { .type = NLA_NESTED }, | |
fccec5b8 | 105 | [RDMA_NLDEV_ATTR_RES_MRLEN] = { .type = NLA_U64 }, |
696de2e9 DL |
106 | [RDMA_NLDEV_ATTR_RES_MRN] = { .type = NLA_U32 }, |
107 | [RDMA_NLDEV_ATTR_RES_MR_ENTRY] = { .type = NLA_NESTED }, | |
108 | [RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE] = { .type = NLA_U8 }, | |
29cf1351 | 109 | [RDMA_NLDEV_ATTR_RES_PD] = { .type = NLA_NESTED }, |
517b773e | 110 | [RDMA_NLDEV_ATTR_RES_PDN] = { .type = NLA_U32 }, |
696de2e9 DL |
111 | [RDMA_NLDEV_ATTR_RES_PD_ENTRY] = { .type = NLA_NESTED }, |
112 | [RDMA_NLDEV_ATTR_RES_PID] = { .type = NLA_U32 }, | |
113 | [RDMA_NLDEV_ATTR_RES_POLL_CTX] = { .type = NLA_U8 }, | |
114 | [RDMA_NLDEV_ATTR_RES_PS] = { .type = NLA_U32 }, | |
115 | [RDMA_NLDEV_ATTR_RES_QP] = { .type = NLA_NESTED }, | |
116 | [RDMA_NLDEV_ATTR_RES_QP_ENTRY] = { .type = NLA_NESTED }, | |
117 | [RDMA_NLDEV_ATTR_RES_RKEY] = { .type = NLA_U32 }, | |
118 | [RDMA_NLDEV_ATTR_RES_RQPN] = { .type = NLA_U32 }, | |
119 | [RDMA_NLDEV_ATTR_RES_RQ_PSN] = { .type = NLA_U32 }, | |
120 | [RDMA_NLDEV_ATTR_RES_SQ_PSN] = { .type = NLA_U32 }, | |
121 | [RDMA_NLDEV_ATTR_RES_SRC_ADDR] = { | |
122 | .len = sizeof(struct __kernel_sockaddr_storage) }, | |
123 | [RDMA_NLDEV_ATTR_RES_STATE] = { .type = NLA_U8 }, | |
124 | [RDMA_NLDEV_ATTR_RES_SUMMARY] = { .type = NLA_NESTED }, | |
125 | [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY] = { .type = NLA_NESTED }, | |
126 | [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR]= { .type = NLA_U64 }, | |
127 | [RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME]= { .type = NLA_NUL_STRING, | |
34d65cd8 | 128 | .len = RDMA_NLDEV_ATTR_EMPTY_STRING }, |
696de2e9 DL |
129 | [RDMA_NLDEV_ATTR_RES_TYPE] = { .type = NLA_U8 }, |
130 | [RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]= { .type = NLA_U32 }, | |
131 | [RDMA_NLDEV_ATTR_RES_USECNT] = { .type = NLA_U64 }, | |
132 | [RDMA_NLDEV_ATTR_SM_LID] = { .type = NLA_U32 }, | |
133 | [RDMA_NLDEV_ATTR_SUBNET_PREFIX] = { .type = NLA_U64 }, | |
b47ae6f8 MZ |
134 | [RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK] = { .type = NLA_U32 }, |
135 | [RDMA_NLDEV_ATTR_STAT_MODE] = { .type = NLA_U32 }, | |
136 | [RDMA_NLDEV_ATTR_STAT_RES] = { .type = NLA_U32 }, | |
c4ffee7c MZ |
137 | [RDMA_NLDEV_ATTR_STAT_COUNTER] = { .type = NLA_NESTED }, |
138 | [RDMA_NLDEV_ATTR_STAT_COUNTER_ENTRY] = { .type = NLA_NESTED }, | |
139 | [RDMA_NLDEV_ATTR_STAT_COUNTER_ID] = { .type = NLA_U32 }, | |
140 | [RDMA_NLDEV_ATTR_STAT_HWCOUNTERS] = { .type = NLA_NESTED }, | |
141 | [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY] = { .type = NLA_NESTED }, | |
142 | [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME] = { .type = NLA_NUL_STRING }, | |
143 | [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_VALUE] = { .type = NLA_U64 }, | |
696de2e9 | 144 | [RDMA_NLDEV_ATTR_SYS_IMAGE_GUID] = { .type = NLA_U64 }, |
8f71bb00 | 145 | [RDMA_NLDEV_ATTR_UVERBS_DRIVER_ID] = { .type = NLA_U32 }, |
696de2e9 DL |
146 | [RDMA_NLDEV_NET_NS_FD] = { .type = NLA_U32 }, |
147 | [RDMA_NLDEV_SYS_ATTR_NETNS_MODE] = { .type = NLA_U8 }, | |
b4c598a6 LR |
148 | }; |
149 | ||
73937e8a SW |
150 | static int put_driver_name_print_type(struct sk_buff *msg, const char *name, |
151 | enum rdma_nldev_print_type print_type) | |
152 | { | |
153 | if (nla_put_string(msg, RDMA_NLDEV_ATTR_DRIVER_STRING, name)) | |
154 | return -EMSGSIZE; | |
155 | if (print_type != RDMA_NLDEV_PRINT_TYPE_UNSPEC && | |
156 | nla_put_u8(msg, RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE, print_type)) | |
157 | return -EMSGSIZE; | |
158 | ||
159 | return 0; | |
160 | } | |
161 | ||
162 | static int _rdma_nl_put_driver_u32(struct sk_buff *msg, const char *name, | |
163 | enum rdma_nldev_print_type print_type, | |
164 | u32 value) | |
165 | { | |
166 | if (put_driver_name_print_type(msg, name, print_type)) | |
167 | return -EMSGSIZE; | |
168 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_DRIVER_U32, value)) | |
169 | return -EMSGSIZE; | |
170 | ||
171 | return 0; | |
172 | } | |
173 | ||
174 | static int _rdma_nl_put_driver_u64(struct sk_buff *msg, const char *name, | |
175 | enum rdma_nldev_print_type print_type, | |
176 | u64 value) | |
177 | { | |
178 | if (put_driver_name_print_type(msg, name, print_type)) | |
179 | return -EMSGSIZE; | |
180 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_DRIVER_U64, value, | |
181 | RDMA_NLDEV_ATTR_PAD)) | |
182 | return -EMSGSIZE; | |
183 | ||
184 | return 0; | |
185 | } | |
186 | ||
e1b95ae0 EA |
187 | int rdma_nl_put_driver_string(struct sk_buff *msg, const char *name, |
188 | const char *str) | |
189 | { | |
190 | if (put_driver_name_print_type(msg, name, | |
191 | RDMA_NLDEV_PRINT_TYPE_UNSPEC)) | |
192 | return -EMSGSIZE; | |
193 | if (nla_put_string(msg, RDMA_NLDEV_ATTR_DRIVER_STRING, str)) | |
194 | return -EMSGSIZE; | |
195 | ||
196 | return 0; | |
197 | } | |
198 | EXPORT_SYMBOL(rdma_nl_put_driver_string); | |
199 | ||
73937e8a SW |
200 | int rdma_nl_put_driver_u32(struct sk_buff *msg, const char *name, u32 value) |
201 | { | |
202 | return _rdma_nl_put_driver_u32(msg, name, RDMA_NLDEV_PRINT_TYPE_UNSPEC, | |
203 | value); | |
204 | } | |
205 | EXPORT_SYMBOL(rdma_nl_put_driver_u32); | |
206 | ||
207 | int rdma_nl_put_driver_u32_hex(struct sk_buff *msg, const char *name, | |
208 | u32 value) | |
209 | { | |
210 | return _rdma_nl_put_driver_u32(msg, name, RDMA_NLDEV_PRINT_TYPE_HEX, | |
211 | value); | |
212 | } | |
213 | EXPORT_SYMBOL(rdma_nl_put_driver_u32_hex); | |
214 | ||
215 | int rdma_nl_put_driver_u64(struct sk_buff *msg, const char *name, u64 value) | |
216 | { | |
217 | return _rdma_nl_put_driver_u64(msg, name, RDMA_NLDEV_PRINT_TYPE_UNSPEC, | |
218 | value); | |
219 | } | |
220 | EXPORT_SYMBOL(rdma_nl_put_driver_u64); | |
221 | ||
222 | int rdma_nl_put_driver_u64_hex(struct sk_buff *msg, const char *name, u64 value) | |
223 | { | |
224 | return _rdma_nl_put_driver_u64(msg, name, RDMA_NLDEV_PRINT_TYPE_HEX, | |
225 | value); | |
226 | } | |
227 | EXPORT_SYMBOL(rdma_nl_put_driver_u64_hex); | |
228 | ||
c2409810 | 229 | static int fill_nldev_handle(struct sk_buff *msg, struct ib_device *device) |
b4c598a6 LR |
230 | { |
231 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_DEV_INDEX, device->index)) | |
232 | return -EMSGSIZE; | |
896de009 JG |
233 | if (nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_NAME, |
234 | dev_name(&device->dev))) | |
b4c598a6 | 235 | return -EMSGSIZE; |
c2409810 LR |
236 | |
237 | return 0; | |
238 | } | |
239 | ||
240 | static int fill_dev_info(struct sk_buff *msg, struct ib_device *device) | |
241 | { | |
242 | char fw[IB_FW_VERSION_NAME_MAX]; | |
9e886b39 LR |
243 | int ret = 0; |
244 | u8 port; | |
c2409810 LR |
245 | |
246 | if (fill_nldev_handle(msg, device)) | |
247 | return -EMSGSIZE; | |
248 | ||
b4c598a6 LR |
249 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, rdma_end_port(device))) |
250 | return -EMSGSIZE; | |
ac505253 LR |
251 | |
252 | BUILD_BUG_ON(sizeof(device->attrs.device_cap_flags) != sizeof(u64)); | |
253 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_CAP_FLAGS, | |
25a0ad85 SW |
254 | device->attrs.device_cap_flags, |
255 | RDMA_NLDEV_ATTR_PAD)) | |
ac505253 LR |
256 | return -EMSGSIZE; |
257 | ||
8621a7e3 | 258 | ib_get_device_fw_str(device, fw); |
5b2cc79d | 259 | /* Device without FW has strlen(fw) = 0 */ |
8621a7e3 LR |
260 | if (strlen(fw) && nla_put_string(msg, RDMA_NLDEV_ATTR_FW_VERSION, fw)) |
261 | return -EMSGSIZE; | |
262 | ||
1aaff896 | 263 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_NODE_GUID, |
25a0ad85 SW |
264 | be64_to_cpu(device->node_guid), |
265 | RDMA_NLDEV_ATTR_PAD)) | |
1aaff896 LR |
266 | return -EMSGSIZE; |
267 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_SYS_IMAGE_GUID, | |
25a0ad85 SW |
268 | be64_to_cpu(device->attrs.sys_image_guid), |
269 | RDMA_NLDEV_ATTR_PAD)) | |
1aaff896 | 270 | return -EMSGSIZE; |
1bb77b8c LR |
271 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_NODE_TYPE, device->node_type)) |
272 | return -EMSGSIZE; | |
f8fc8cd9 YF |
273 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_DIM, device->use_cq_dim)) |
274 | return -EMSGSIZE; | |
9e886b39 LR |
275 | |
276 | /* | |
277 | * Link type is determined on first port and mlx4 device | |
278 | * which can potentially have two different link type for the same | |
279 | * IB device is considered as better to be avoided in the future, | |
280 | */ | |
281 | port = rdma_start_port(device); | |
282 | if (rdma_cap_opa_mad(device, port)) | |
283 | ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "opa"); | |
284 | else if (rdma_protocol_ib(device, port)) | |
285 | ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "ib"); | |
286 | else if (rdma_protocol_iwarp(device, port)) | |
287 | ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "iw"); | |
288 | else if (rdma_protocol_roce(device, port)) | |
289 | ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "roce"); | |
290 | else if (rdma_protocol_usnic(device, port)) | |
291 | ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, | |
292 | "usnic"); | |
293 | return ret; | |
b4c598a6 LR |
294 | } |
295 | ||
7d02f605 | 296 | static int fill_port_info(struct sk_buff *msg, |
5b2cc79d LR |
297 | struct ib_device *device, u32 port, |
298 | const struct net *net) | |
7d02f605 | 299 | { |
5b2cc79d | 300 | struct net_device *netdev = NULL; |
ac505253 LR |
301 | struct ib_port_attr attr; |
302 | int ret; | |
4fa2813d | 303 | u64 cap_flags = 0; |
ac505253 | 304 | |
c2409810 | 305 | if (fill_nldev_handle(msg, device)) |
7d02f605 | 306 | return -EMSGSIZE; |
c2409810 | 307 | |
7d02f605 LR |
308 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port)) |
309 | return -EMSGSIZE; | |
ac505253 LR |
310 | |
311 | ret = ib_query_port(device, port, &attr); | |
312 | if (ret) | |
313 | return ret; | |
314 | ||
80a06dd3 | 315 | if (rdma_protocol_ib(device, port)) { |
4fa2813d MG |
316 | BUILD_BUG_ON((sizeof(attr.port_cap_flags) + |
317 | sizeof(attr.port_cap_flags2)) > sizeof(u64)); | |
318 | cap_flags = attr.port_cap_flags | | |
319 | ((u64)attr.port_cap_flags2 << 32); | |
dd8028f1 | 320 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_CAP_FLAGS, |
4fa2813d | 321 | cap_flags, RDMA_NLDEV_ATTR_PAD)) |
dd8028f1 LR |
322 | return -EMSGSIZE; |
323 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_SUBNET_PREFIX, | |
324 | attr.subnet_prefix, RDMA_NLDEV_ATTR_PAD)) | |
325 | return -EMSGSIZE; | |
80a06dd3 LR |
326 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_LID, attr.lid)) |
327 | return -EMSGSIZE; | |
328 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_SM_LID, attr.sm_lid)) | |
329 | return -EMSGSIZE; | |
34840fea LR |
330 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_LMC, attr.lmc)) |
331 | return -EMSGSIZE; | |
80a06dd3 | 332 | } |
5654e49d LR |
333 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_PORT_STATE, attr.state)) |
334 | return -EMSGSIZE; | |
335 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_PORT_PHYS_STATE, attr.phys_state)) | |
336 | return -EMSGSIZE; | |
5b2cc79d | 337 | |
c2261dd7 | 338 | netdev = ib_device_get_netdev(device, port); |
5b2cc79d LR |
339 | if (netdev && net_eq(dev_net(netdev), net)) { |
340 | ret = nla_put_u32(msg, | |
341 | RDMA_NLDEV_ATTR_NDEV_INDEX, netdev->ifindex); | |
342 | if (ret) | |
343 | goto out; | |
344 | ret = nla_put_string(msg, | |
345 | RDMA_NLDEV_ATTR_NDEV_NAME, netdev->name); | |
346 | } | |
347 | ||
348 | out: | |
349 | if (netdev) | |
350 | dev_put(netdev); | |
351 | return ret; | |
7d02f605 LR |
352 | } |
353 | ||
bf3c5a93 LR |
354 | static int fill_res_info_entry(struct sk_buff *msg, |
355 | const char *name, u64 curr) | |
356 | { | |
357 | struct nlattr *entry_attr; | |
358 | ||
ae0be8de MK |
359 | entry_attr = nla_nest_start_noflag(msg, |
360 | RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY); | |
bf3c5a93 LR |
361 | if (!entry_attr) |
362 | return -EMSGSIZE; | |
363 | ||
364 | if (nla_put_string(msg, RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME, name)) | |
365 | goto err; | |
25a0ad85 SW |
366 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR, curr, |
367 | RDMA_NLDEV_ATTR_PAD)) | |
bf3c5a93 LR |
368 | goto err; |
369 | ||
370 | nla_nest_end(msg, entry_attr); | |
371 | return 0; | |
372 | ||
373 | err: | |
374 | nla_nest_cancel(msg, entry_attr); | |
375 | return -EMSGSIZE; | |
376 | } | |
377 | ||
378 | static int fill_res_info(struct sk_buff *msg, struct ib_device *device) | |
379 | { | |
380 | static const char * const names[RDMA_RESTRACK_MAX] = { | |
381 | [RDMA_RESTRACK_PD] = "pd", | |
382 | [RDMA_RESTRACK_CQ] = "cq", | |
383 | [RDMA_RESTRACK_QP] = "qp", | |
00313983 | 384 | [RDMA_RESTRACK_CM_ID] = "cm_id", |
fccec5b8 | 385 | [RDMA_RESTRACK_MR] = "mr", |
ffd321e4 | 386 | [RDMA_RESTRACK_CTX] = "ctx", |
bf3c5a93 LR |
387 | }; |
388 | ||
bf3c5a93 LR |
389 | struct nlattr *table_attr; |
390 | int ret, i, curr; | |
391 | ||
392 | if (fill_nldev_handle(msg, device)) | |
393 | return -EMSGSIZE; | |
394 | ||
ae0be8de | 395 | table_attr = nla_nest_start_noflag(msg, RDMA_NLDEV_ATTR_RES_SUMMARY); |
bf3c5a93 LR |
396 | if (!table_attr) |
397 | return -EMSGSIZE; | |
398 | ||
399 | for (i = 0; i < RDMA_RESTRACK_MAX; i++) { | |
400 | if (!names[i]) | |
401 | continue; | |
60c78668 | 402 | curr = rdma_restrack_count(device, i); |
bf3c5a93 LR |
403 | ret = fill_res_info_entry(msg, names[i], curr); |
404 | if (ret) | |
405 | goto err; | |
406 | } | |
407 | ||
408 | nla_nest_end(msg, table_attr); | |
409 | return 0; | |
410 | ||
411 | err: | |
412 | nla_nest_cancel(msg, table_attr); | |
413 | return ret; | |
414 | } | |
415 | ||
00313983 SW |
416 | static int fill_res_name_pid(struct sk_buff *msg, |
417 | struct rdma_restrack_entry *res) | |
418 | { | |
ac71ffcf LR |
419 | int err = 0; |
420 | ||
00313983 SW |
421 | /* |
422 | * For user resources, user is should read /proc/PID/comm to get the | |
423 | * name of the task file. | |
424 | */ | |
425 | if (rdma_is_kernel_res(res)) { | |
ac71ffcf LR |
426 | err = nla_put_string(msg, RDMA_NLDEV_ATTR_RES_KERN_NAME, |
427 | res->kern_name); | |
00313983 | 428 | } else { |
ac71ffcf LR |
429 | pid_t pid; |
430 | ||
431 | pid = task_pid_vnr(res->task); | |
432 | /* | |
433 | * Task is dead and in zombie state. | |
434 | * There is no need to print PID anymore. | |
435 | */ | |
436 | if (pid) | |
437 | /* | |
438 | * This part is racy, task can be killed and PID will | |
439 | * be zero right here but it is ok, next query won't | |
440 | * return PID. We don't promise real-time reflection | |
441 | * of SW objects. | |
442 | */ | |
443 | err = nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PID, pid); | |
00313983 | 444 | } |
ac71ffcf LR |
445 | |
446 | return err ? -EMSGSIZE : 0; | |
00313983 SW |
447 | } |
448 | ||
02da3750 LR |
449 | static bool fill_res_entry(struct ib_device *dev, struct sk_buff *msg, |
450 | struct rdma_restrack_entry *res) | |
451 | { | |
452 | if (!dev->ops.fill_res_entry) | |
453 | return false; | |
454 | return dev->ops.fill_res_entry(msg, res); | |
455 | } | |
456 | ||
4061ff7a EA |
457 | static bool fill_stat_entry(struct ib_device *dev, struct sk_buff *msg, |
458 | struct rdma_restrack_entry *res) | |
459 | { | |
460 | if (!dev->ops.fill_stat_entry) | |
461 | return false; | |
462 | return dev->ops.fill_stat_entry(msg, res); | |
463 | } | |
464 | ||
659067b0 | 465 | static int fill_res_qp_entry(struct sk_buff *msg, bool has_cap_net_admin, |
d12ff624 | 466 | struct rdma_restrack_entry *res, uint32_t port) |
b5fa635a | 467 | { |
d12ff624 | 468 | struct ib_qp *qp = container_of(res, struct ib_qp, res); |
02da3750 | 469 | struct ib_device *dev = qp->device; |
b5fa635a | 470 | struct ib_qp_init_attr qp_init_attr; |
b5fa635a LR |
471 | struct ib_qp_attr qp_attr; |
472 | int ret; | |
473 | ||
474 | ret = ib_query_qp(qp, &qp_attr, 0, &qp_init_attr); | |
475 | if (ret) | |
476 | return ret; | |
477 | ||
478 | if (port && port != qp_attr.port_num) | |
c5dfe0ea | 479 | return -EAGAIN; |
b5fa635a LR |
480 | |
481 | /* In create_qp() port is not set yet */ | |
482 | if (qp_attr.port_num && | |
483 | nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, qp_attr.port_num)) | |
484 | goto err; | |
485 | ||
486 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, qp->qp_num)) | |
487 | goto err; | |
488 | if (qp->qp_type == IB_QPT_RC || qp->qp_type == IB_QPT_UC) { | |
489 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_RQPN, | |
490 | qp_attr.dest_qp_num)) | |
491 | goto err; | |
492 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_RQ_PSN, | |
493 | qp_attr.rq_psn)) | |
494 | goto err; | |
495 | } | |
496 | ||
497 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_SQ_PSN, qp_attr.sq_psn)) | |
498 | goto err; | |
499 | ||
500 | if (qp->qp_type == IB_QPT_RC || qp->qp_type == IB_QPT_UC || | |
501 | qp->qp_type == IB_QPT_XRC_INI || qp->qp_type == IB_QPT_XRC_TGT) { | |
502 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE, | |
503 | qp_attr.path_mig_state)) | |
504 | goto err; | |
505 | } | |
506 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_TYPE, qp->qp_type)) | |
507 | goto err; | |
508 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_STATE, qp_attr.qp_state)) | |
509 | goto err; | |
510 | ||
c3d02788 LR |
511 | if (!rdma_is_kernel_res(res) && |
512 | nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PDN, qp->pd->res.id)) | |
513 | goto err; | |
514 | ||
00313983 SW |
515 | if (fill_res_name_pid(msg, res)) |
516 | goto err; | |
517 | ||
02da3750 | 518 | if (fill_res_entry(dev, msg, res)) |
da5c8507 SW |
519 | goto err; |
520 | ||
00313983 SW |
521 | return 0; |
522 | ||
c5dfe0ea | 523 | err: return -EMSGSIZE; |
00313983 SW |
524 | } |
525 | ||
659067b0 | 526 | static int fill_res_cm_id_entry(struct sk_buff *msg, bool has_cap_net_admin, |
00313983 SW |
527 | struct rdma_restrack_entry *res, uint32_t port) |
528 | { | |
529 | struct rdma_id_private *id_priv = | |
530 | container_of(res, struct rdma_id_private, res); | |
02da3750 | 531 | struct ib_device *dev = id_priv->id.device; |
00313983 | 532 | struct rdma_cm_id *cm_id = &id_priv->id; |
00313983 SW |
533 | |
534 | if (port && port != cm_id->port_num) | |
535 | return 0; | |
536 | ||
00313983 SW |
537 | if (cm_id->port_num && |
538 | nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, cm_id->port_num)) | |
539 | goto err; | |
540 | ||
541 | if (id_priv->qp_num) { | |
542 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, id_priv->qp_num)) | |
b5fa635a | 543 | goto err; |
00313983 | 544 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_TYPE, cm_id->qp_type)) |
b5fa635a LR |
545 | goto err; |
546 | } | |
547 | ||
00313983 SW |
548 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PS, cm_id->ps)) |
549 | goto err; | |
550 | ||
551 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_STATE, id_priv->state)) | |
552 | goto err; | |
553 | ||
554 | if (cm_id->route.addr.src_addr.ss_family && | |
555 | nla_put(msg, RDMA_NLDEV_ATTR_RES_SRC_ADDR, | |
556 | sizeof(cm_id->route.addr.src_addr), | |
557 | &cm_id->route.addr.src_addr)) | |
558 | goto err; | |
559 | if (cm_id->route.addr.dst_addr.ss_family && | |
560 | nla_put(msg, RDMA_NLDEV_ATTR_RES_DST_ADDR, | |
561 | sizeof(cm_id->route.addr.dst_addr), | |
562 | &cm_id->route.addr.dst_addr)) | |
563 | goto err; | |
564 | ||
517b773e LR |
565 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CM_IDN, res->id)) |
566 | goto err; | |
567 | ||
00313983 SW |
568 | if (fill_res_name_pid(msg, res)) |
569 | goto err; | |
570 | ||
02da3750 | 571 | if (fill_res_entry(dev, msg, res)) |
da5c8507 SW |
572 | goto err; |
573 | ||
b5fa635a LR |
574 | return 0; |
575 | ||
c5dfe0ea | 576 | err: return -EMSGSIZE; |
b5fa635a LR |
577 | } |
578 | ||
659067b0 | 579 | static int fill_res_cq_entry(struct sk_buff *msg, bool has_cap_net_admin, |
a34fc089 SW |
580 | struct rdma_restrack_entry *res, uint32_t port) |
581 | { | |
582 | struct ib_cq *cq = container_of(res, struct ib_cq, res); | |
02da3750 | 583 | struct ib_device *dev = cq->device; |
a34fc089 SW |
584 | |
585 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CQE, cq->cqe)) | |
586 | goto err; | |
587 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_USECNT, | |
25a0ad85 | 588 | atomic_read(&cq->usecnt), RDMA_NLDEV_ATTR_PAD)) |
a34fc089 SW |
589 | goto err; |
590 | ||
591 | /* Poll context is only valid for kernel CQs */ | |
592 | if (rdma_is_kernel_res(res) && | |
593 | nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_POLL_CTX, cq->poll_ctx)) | |
594 | goto err; | |
595 | ||
f8fc8cd9 YF |
596 | if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_DIM, (cq->dim != NULL))) |
597 | goto err; | |
598 | ||
517b773e LR |
599 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CQN, res->id)) |
600 | goto err; | |
c3d02788 LR |
601 | if (!rdma_is_kernel_res(res) && |
602 | nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CTXN, | |
5bd48c18 | 603 | cq->uobject->uevent.uobject.context->res.id)) |
c3d02788 | 604 | goto err; |
517b773e | 605 | |
a34fc089 SW |
606 | if (fill_res_name_pid(msg, res)) |
607 | goto err; | |
608 | ||
02da3750 | 609 | if (fill_res_entry(dev, msg, res)) |
da5c8507 SW |
610 | goto err; |
611 | ||
a34fc089 SW |
612 | return 0; |
613 | ||
c5dfe0ea | 614 | err: return -EMSGSIZE; |
a34fc089 SW |
615 | } |
616 | ||
659067b0 | 617 | static int fill_res_mr_entry(struct sk_buff *msg, bool has_cap_net_admin, |
fccec5b8 SW |
618 | struct rdma_restrack_entry *res, uint32_t port) |
619 | { | |
620 | struct ib_mr *mr = container_of(res, struct ib_mr, res); | |
02da3750 | 621 | struct ib_device *dev = mr->pd->device; |
fccec5b8 | 622 | |
659067b0 | 623 | if (has_cap_net_admin) { |
fccec5b8 SW |
624 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_RKEY, mr->rkey)) |
625 | goto err; | |
626 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LKEY, mr->lkey)) | |
627 | goto err; | |
fccec5b8 SW |
628 | } |
629 | ||
25a0ad85 SW |
630 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_MRLEN, mr->length, |
631 | RDMA_NLDEV_ATTR_PAD)) | |
fccec5b8 SW |
632 | goto err; |
633 | ||
517b773e LR |
634 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_MRN, res->id)) |
635 | goto err; | |
636 | ||
c3d02788 LR |
637 | if (!rdma_is_kernel_res(res) && |
638 | nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PDN, mr->pd->res.id)) | |
639 | goto err; | |
640 | ||
fccec5b8 SW |
641 | if (fill_res_name_pid(msg, res)) |
642 | goto err; | |
643 | ||
02da3750 | 644 | if (fill_res_entry(dev, msg, res)) |
da5c8507 SW |
645 | goto err; |
646 | ||
fccec5b8 SW |
647 | return 0; |
648 | ||
c5dfe0ea | 649 | err: return -EMSGSIZE; |
fccec5b8 SW |
650 | } |
651 | ||
659067b0 | 652 | static int fill_res_pd_entry(struct sk_buff *msg, bool has_cap_net_admin, |
29cf1351 SW |
653 | struct rdma_restrack_entry *res, uint32_t port) |
654 | { | |
655 | struct ib_pd *pd = container_of(res, struct ib_pd, res); | |
02da3750 | 656 | struct ib_device *dev = pd->device; |
29cf1351 | 657 | |
659067b0 | 658 | if (has_cap_net_admin) { |
29cf1351 SW |
659 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY, |
660 | pd->local_dma_lkey)) | |
661 | goto err; | |
662 | if ((pd->flags & IB_PD_UNSAFE_GLOBAL_RKEY) && | |
663 | nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY, | |
664 | pd->unsafe_global_rkey)) | |
665 | goto err; | |
666 | } | |
667 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_USECNT, | |
25a0ad85 | 668 | atomic_read(&pd->usecnt), RDMA_NLDEV_ATTR_PAD)) |
29cf1351 | 669 | goto err; |
29cf1351 | 670 | |
517b773e LR |
671 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PDN, res->id)) |
672 | goto err; | |
673 | ||
c3d02788 LR |
674 | if (!rdma_is_kernel_res(res) && |
675 | nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CTXN, | |
676 | pd->uobject->context->res.id)) | |
677 | goto err; | |
678 | ||
29cf1351 SW |
679 | if (fill_res_name_pid(msg, res)) |
680 | goto err; | |
681 | ||
02da3750 | 682 | if (fill_res_entry(dev, msg, res)) |
da5c8507 SW |
683 | goto err; |
684 | ||
29cf1351 SW |
685 | return 0; |
686 | ||
c5dfe0ea | 687 | err: return -EMSGSIZE; |
29cf1351 SW |
688 | } |
689 | ||
c4ffee7c MZ |
690 | static int fill_stat_counter_mode(struct sk_buff *msg, |
691 | struct rdma_counter *counter) | |
692 | { | |
693 | struct rdma_counter_mode *m = &counter->mode; | |
694 | ||
695 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_MODE, m->mode)) | |
696 | return -EMSGSIZE; | |
697 | ||
698 | if (m->mode == RDMA_COUNTER_MODE_AUTO) | |
699 | if ((m->mask & RDMA_COUNTER_MASK_QP_TYPE) && | |
700 | nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_TYPE, m->param.qp_type)) | |
701 | return -EMSGSIZE; | |
702 | ||
703 | return 0; | |
704 | } | |
705 | ||
706 | static int fill_stat_counter_qp_entry(struct sk_buff *msg, u32 qpn) | |
707 | { | |
708 | struct nlattr *entry_attr; | |
709 | ||
710 | entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_QP_ENTRY); | |
711 | if (!entry_attr) | |
712 | return -EMSGSIZE; | |
713 | ||
714 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, qpn)) | |
715 | goto err; | |
716 | ||
717 | nla_nest_end(msg, entry_attr); | |
718 | return 0; | |
719 | ||
720 | err: | |
721 | nla_nest_cancel(msg, entry_attr); | |
722 | return -EMSGSIZE; | |
723 | } | |
724 | ||
725 | static int fill_stat_counter_qps(struct sk_buff *msg, | |
726 | struct rdma_counter *counter) | |
727 | { | |
728 | struct rdma_restrack_entry *res; | |
729 | struct rdma_restrack_root *rt; | |
730 | struct nlattr *table_attr; | |
731 | struct ib_qp *qp = NULL; | |
732 | unsigned long id = 0; | |
733 | int ret = 0; | |
734 | ||
735 | table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_QP); | |
736 | ||
737 | rt = &counter->device->res[RDMA_RESTRACK_QP]; | |
738 | xa_lock(&rt->xa); | |
739 | xa_for_each(&rt->xa, id, res) { | |
c4ffee7c MZ |
740 | qp = container_of(res, struct ib_qp, res); |
741 | if (qp->qp_type == IB_QPT_RAW_PACKET && !capable(CAP_NET_RAW)) | |
742 | continue; | |
743 | ||
744 | if (!qp->counter || (qp->counter->id != counter->id)) | |
745 | continue; | |
746 | ||
747 | ret = fill_stat_counter_qp_entry(msg, qp->qp_num); | |
748 | if (ret) | |
749 | goto err; | |
750 | } | |
751 | ||
752 | xa_unlock(&rt->xa); | |
753 | nla_nest_end(msg, table_attr); | |
754 | return 0; | |
755 | ||
756 | err: | |
757 | xa_unlock(&rt->xa); | |
758 | nla_nest_cancel(msg, table_attr); | |
759 | return ret; | |
760 | } | |
761 | ||
4061ff7a EA |
762 | int rdma_nl_stat_hwcounter_entry(struct sk_buff *msg, const char *name, |
763 | u64 value) | |
c4ffee7c MZ |
764 | { |
765 | struct nlattr *entry_attr; | |
766 | ||
767 | entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY); | |
768 | if (!entry_attr) | |
769 | return -EMSGSIZE; | |
770 | ||
771 | if (nla_put_string(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME, | |
772 | name)) | |
773 | goto err; | |
774 | if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_VALUE, | |
775 | value, RDMA_NLDEV_ATTR_PAD)) | |
776 | goto err; | |
777 | ||
778 | nla_nest_end(msg, entry_attr); | |
779 | return 0; | |
780 | ||
781 | err: | |
782 | nla_nest_cancel(msg, entry_attr); | |
783 | return -EMSGSIZE; | |
784 | } | |
4061ff7a EA |
785 | EXPORT_SYMBOL(rdma_nl_stat_hwcounter_entry); |
786 | ||
787 | static int fill_stat_mr_entry(struct sk_buff *msg, bool has_cap_net_admin, | |
788 | struct rdma_restrack_entry *res, uint32_t port) | |
789 | { | |
790 | struct ib_mr *mr = container_of(res, struct ib_mr, res); | |
791 | struct ib_device *dev = mr->pd->device; | |
792 | ||
793 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_MRN, res->id)) | |
794 | goto err; | |
795 | ||
796 | if (fill_stat_entry(dev, msg, res)) | |
797 | goto err; | |
798 | ||
799 | return 0; | |
800 | ||
801 | err: | |
802 | return -EMSGSIZE; | |
803 | } | |
c4ffee7c MZ |
804 | |
805 | static int fill_stat_counter_hwcounters(struct sk_buff *msg, | |
806 | struct rdma_counter *counter) | |
807 | { | |
808 | struct rdma_hw_stats *st = counter->stats; | |
809 | struct nlattr *table_attr; | |
810 | int i; | |
811 | ||
812 | table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTERS); | |
813 | if (!table_attr) | |
814 | return -EMSGSIZE; | |
815 | ||
816 | for (i = 0; i < st->num_counters; i++) | |
4061ff7a | 817 | if (rdma_nl_stat_hwcounter_entry(msg, st->names[i], st->value[i])) |
c4ffee7c MZ |
818 | goto err; |
819 | ||
820 | nla_nest_end(msg, table_attr); | |
821 | return 0; | |
822 | ||
823 | err: | |
824 | nla_nest_cancel(msg, table_attr); | |
825 | return -EMSGSIZE; | |
826 | } | |
827 | ||
828 | static int fill_res_counter_entry(struct sk_buff *msg, bool has_cap_net_admin, | |
829 | struct rdma_restrack_entry *res, | |
830 | uint32_t port) | |
831 | { | |
832 | struct rdma_counter *counter = | |
833 | container_of(res, struct rdma_counter, res); | |
834 | ||
835 | if (port && port != counter->port) | |
a15542bb | 836 | return -EAGAIN; |
c4ffee7c MZ |
837 | |
838 | /* Dump it even query failed */ | |
839 | rdma_counter_query_stats(counter); | |
840 | ||
841 | if (nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, counter->port) || | |
842 | nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_COUNTER_ID, counter->id) || | |
843 | fill_res_name_pid(msg, &counter->res) || | |
844 | fill_stat_counter_mode(msg, counter) || | |
845 | fill_stat_counter_qps(msg, counter) || | |
846 | fill_stat_counter_hwcounters(msg, counter)) | |
847 | return -EMSGSIZE; | |
848 | ||
849 | return 0; | |
850 | } | |
851 | ||
e5c9469e LR |
852 | static int nldev_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, |
853 | struct netlink_ext_ack *extack) | |
854 | { | |
855 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
856 | struct ib_device *device; | |
857 | struct sk_buff *msg; | |
858 | u32 index; | |
859 | int err; | |
860 | ||
8cb08174 JB |
861 | err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
862 | nldev_policy, extack); | |
e5c9469e LR |
863 | if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX]) |
864 | return -EINVAL; | |
865 | ||
866 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
867 | ||
37eeab55 | 868 | device = ib_device_get_by_index(sock_net(skb->sk), index); |
e5c9469e LR |
869 | if (!device) |
870 | return -EINVAL; | |
871 | ||
872 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
f8978bd9 LR |
873 | if (!msg) { |
874 | err = -ENOMEM; | |
875 | goto err; | |
876 | } | |
e5c9469e LR |
877 | |
878 | nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, | |
879 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET), | |
880 | 0, 0); | |
881 | ||
882 | err = fill_dev_info(msg, device); | |
f8978bd9 LR |
883 | if (err) |
884 | goto err_free; | |
e5c9469e LR |
885 | |
886 | nlmsg_end(msg, nlh); | |
887 | ||
01b67117 | 888 | ib_device_put(device); |
1d2fedd8 | 889 | return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); |
f8978bd9 LR |
890 | |
891 | err_free: | |
892 | nlmsg_free(msg); | |
893 | err: | |
01b67117 | 894 | ib_device_put(device); |
f8978bd9 | 895 | return err; |
e5c9469e LR |
896 | } |
897 | ||
05d940d3 LR |
898 | static int nldev_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh, |
899 | struct netlink_ext_ack *extack) | |
900 | { | |
901 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
902 | struct ib_device *device; | |
903 | u32 index; | |
904 | int err; | |
905 | ||
8cb08174 JB |
906 | err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
907 | nldev_policy, extack); | |
05d940d3 LR |
908 | if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX]) |
909 | return -EINVAL; | |
910 | ||
911 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
37eeab55 | 912 | device = ib_device_get_by_index(sock_net(skb->sk), index); |
05d940d3 LR |
913 | if (!device) |
914 | return -EINVAL; | |
915 | ||
916 | if (tb[RDMA_NLDEV_ATTR_DEV_NAME]) { | |
917 | char name[IB_DEVICE_NAME_MAX] = {}; | |
918 | ||
919 | nla_strlcpy(name, tb[RDMA_NLDEV_ATTR_DEV_NAME], | |
920 | IB_DEVICE_NAME_MAX); | |
7aefa623 JG |
921 | if (strlen(name) == 0) { |
922 | err = -EINVAL; | |
923 | goto done; | |
924 | } | |
05d940d3 | 925 | err = ib_device_rename(device, name); |
2e5b8a01 | 926 | goto done; |
05d940d3 LR |
927 | } |
928 | ||
2e5b8a01 PP |
929 | if (tb[RDMA_NLDEV_NET_NS_FD]) { |
930 | u32 ns_fd; | |
931 | ||
932 | ns_fd = nla_get_u32(tb[RDMA_NLDEV_NET_NS_FD]); | |
933 | err = ib_device_set_netns_put(skb, device, ns_fd); | |
934 | goto put_done; | |
935 | } | |
936 | ||
f8fc8cd9 YF |
937 | if (tb[RDMA_NLDEV_ATTR_DEV_DIM]) { |
938 | u8 use_dim; | |
939 | ||
940 | use_dim = nla_get_u8(tb[RDMA_NLDEV_ATTR_DEV_DIM]); | |
941 | err = ib_device_set_dim(device, use_dim); | |
942 | goto done; | |
943 | } | |
944 | ||
2e5b8a01 | 945 | done: |
01b67117 | 946 | ib_device_put(device); |
2e5b8a01 | 947 | put_done: |
05d940d3 LR |
948 | return err; |
949 | } | |
950 | ||
b4c598a6 LR |
951 | static int _nldev_get_dumpit(struct ib_device *device, |
952 | struct sk_buff *skb, | |
953 | struct netlink_callback *cb, | |
954 | unsigned int idx) | |
955 | { | |
956 | int start = cb->args[0]; | |
957 | struct nlmsghdr *nlh; | |
958 | ||
959 | if (idx < start) | |
960 | return 0; | |
961 | ||
962 | nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, | |
963 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET), | |
964 | 0, NLM_F_MULTI); | |
965 | ||
966 | if (fill_dev_info(skb, device)) { | |
967 | nlmsg_cancel(skb, nlh); | |
968 | goto out; | |
969 | } | |
970 | ||
971 | nlmsg_end(skb, nlh); | |
972 | ||
973 | idx++; | |
974 | ||
975 | out: cb->args[0] = idx; | |
976 | return skb->len; | |
977 | } | |
978 | ||
979 | static int nldev_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb) | |
980 | { | |
981 | /* | |
982 | * There is no need to take lock, because | |
37eeab55 | 983 | * we are relying on ib_core's locking. |
b4c598a6 LR |
984 | */ |
985 | return ib_enum_all_devs(_nldev_get_dumpit, skb, cb); | |
986 | } | |
987 | ||
c3f66f7b LR |
988 | static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, |
989 | struct netlink_ext_ack *extack) | |
990 | { | |
991 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
992 | struct ib_device *device; | |
993 | struct sk_buff *msg; | |
994 | u32 index; | |
995 | u32 port; | |
996 | int err; | |
997 | ||
8cb08174 JB |
998 | err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
999 | nldev_policy, extack); | |
287683d0 LR |
1000 | if (err || |
1001 | !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || | |
1002 | !tb[RDMA_NLDEV_ATTR_PORT_INDEX]) | |
c3f66f7b LR |
1003 | return -EINVAL; |
1004 | ||
1005 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
37eeab55 | 1006 | device = ib_device_get_by_index(sock_net(skb->sk), index); |
c3f66f7b LR |
1007 | if (!device) |
1008 | return -EINVAL; | |
1009 | ||
1010 | port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); | |
f8978bd9 LR |
1011 | if (!rdma_is_port_valid(device, port)) { |
1012 | err = -EINVAL; | |
1013 | goto err; | |
1014 | } | |
c3f66f7b LR |
1015 | |
1016 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
f8978bd9 LR |
1017 | if (!msg) { |
1018 | err = -ENOMEM; | |
1019 | goto err; | |
1020 | } | |
c3f66f7b LR |
1021 | |
1022 | nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, | |
1023 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET), | |
1024 | 0, 0); | |
1025 | ||
5b2cc79d | 1026 | err = fill_port_info(msg, device, port, sock_net(skb->sk)); |
f8978bd9 LR |
1027 | if (err) |
1028 | goto err_free; | |
c3f66f7b LR |
1029 | |
1030 | nlmsg_end(msg, nlh); | |
01b67117 | 1031 | ib_device_put(device); |
c3f66f7b | 1032 | |
1d2fedd8 | 1033 | return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); |
f8978bd9 LR |
1034 | |
1035 | err_free: | |
1036 | nlmsg_free(msg); | |
1037 | err: | |
01b67117 | 1038 | ib_device_put(device); |
f8978bd9 | 1039 | return err; |
c3f66f7b LR |
1040 | } |
1041 | ||
7d02f605 LR |
1042 | static int nldev_port_get_dumpit(struct sk_buff *skb, |
1043 | struct netlink_callback *cb) | |
1044 | { | |
1045 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
1046 | struct ib_device *device; | |
1047 | int start = cb->args[0]; | |
1048 | struct nlmsghdr *nlh; | |
1049 | u32 idx = 0; | |
1050 | u32 ifindex; | |
1051 | int err; | |
ea1075ed | 1052 | unsigned int p; |
7d02f605 | 1053 | |
8cb08174 JB |
1054 | err = nlmsg_parse_deprecated(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
1055 | nldev_policy, NULL); | |
7d02f605 LR |
1056 | if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX]) |
1057 | return -EINVAL; | |
1058 | ||
1059 | ifindex = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
37eeab55 | 1060 | device = ib_device_get_by_index(sock_net(skb->sk), ifindex); |
7d02f605 LR |
1061 | if (!device) |
1062 | return -EINVAL; | |
1063 | ||
ea1075ed | 1064 | rdma_for_each_port (device, p) { |
7d02f605 LR |
1065 | /* |
1066 | * The dumpit function returns all information from specific | |
1067 | * index. This specific index is taken from the netlink | |
1068 | * messages request sent by user and it is available | |
1069 | * in cb->args[0]. | |
1070 | * | |
1071 | * Usually, the user doesn't fill this field and it causes | |
1072 | * to return everything. | |
1073 | * | |
1074 | */ | |
1075 | if (idx < start) { | |
1076 | idx++; | |
1077 | continue; | |
1078 | } | |
1079 | ||
1080 | nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, | |
1081 | cb->nlh->nlmsg_seq, | |
1082 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, | |
1083 | RDMA_NLDEV_CMD_PORT_GET), | |
1084 | 0, NLM_F_MULTI); | |
1085 | ||
5b2cc79d | 1086 | if (fill_port_info(skb, device, p, sock_net(skb->sk))) { |
7d02f605 LR |
1087 | nlmsg_cancel(skb, nlh); |
1088 | goto out; | |
1089 | } | |
1090 | idx++; | |
1091 | nlmsg_end(skb, nlh); | |
1092 | } | |
1093 | ||
f8978bd9 | 1094 | out: |
01b67117 | 1095 | ib_device_put(device); |
f8978bd9 | 1096 | cb->args[0] = idx; |
7d02f605 LR |
1097 | return skb->len; |
1098 | } | |
1099 | ||
bf3c5a93 LR |
1100 | static int nldev_res_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, |
1101 | struct netlink_ext_ack *extack) | |
1102 | { | |
1103 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
1104 | struct ib_device *device; | |
1105 | struct sk_buff *msg; | |
1106 | u32 index; | |
1107 | int ret; | |
1108 | ||
8cb08174 JB |
1109 | ret = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
1110 | nldev_policy, extack); | |
bf3c5a93 LR |
1111 | if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX]) |
1112 | return -EINVAL; | |
1113 | ||
1114 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
37eeab55 | 1115 | device = ib_device_get_by_index(sock_net(skb->sk), index); |
bf3c5a93 LR |
1116 | if (!device) |
1117 | return -EINVAL; | |
1118 | ||
1119 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
f34727a1 DC |
1120 | if (!msg) { |
1121 | ret = -ENOMEM; | |
bf3c5a93 | 1122 | goto err; |
f34727a1 | 1123 | } |
bf3c5a93 LR |
1124 | |
1125 | nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, | |
1126 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_RES_GET), | |
1127 | 0, 0); | |
1128 | ||
1129 | ret = fill_res_info(msg, device); | |
1130 | if (ret) | |
1131 | goto err_free; | |
1132 | ||
1133 | nlmsg_end(msg, nlh); | |
01b67117 | 1134 | ib_device_put(device); |
1d2fedd8 | 1135 | return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); |
bf3c5a93 LR |
1136 | |
1137 | err_free: | |
1138 | nlmsg_free(msg); | |
1139 | err: | |
01b67117 | 1140 | ib_device_put(device); |
bf3c5a93 LR |
1141 | return ret; |
1142 | } | |
1143 | ||
1144 | static int _nldev_res_get_dumpit(struct ib_device *device, | |
1145 | struct sk_buff *skb, | |
1146 | struct netlink_callback *cb, | |
1147 | unsigned int idx) | |
1148 | { | |
1149 | int start = cb->args[0]; | |
1150 | struct nlmsghdr *nlh; | |
1151 | ||
1152 | if (idx < start) | |
1153 | return 0; | |
1154 | ||
1155 | nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, | |
1156 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_RES_GET), | |
1157 | 0, NLM_F_MULTI); | |
1158 | ||
1159 | if (fill_res_info(skb, device)) { | |
1160 | nlmsg_cancel(skb, nlh); | |
1161 | goto out; | |
1162 | } | |
bf3c5a93 LR |
1163 | nlmsg_end(skb, nlh); |
1164 | ||
1165 | idx++; | |
1166 | ||
1167 | out: | |
1168 | cb->args[0] = idx; | |
1169 | return skb->len; | |
1170 | } | |
1171 | ||
1172 | static int nldev_res_get_dumpit(struct sk_buff *skb, | |
1173 | struct netlink_callback *cb) | |
1174 | { | |
1175 | return ib_enum_all_devs(_nldev_res_get_dumpit, skb, cb); | |
1176 | } | |
1177 | ||
d12ff624 | 1178 | struct nldev_fill_res_entry { |
d12ff624 SW |
1179 | enum rdma_nldev_attr nldev_attr; |
1180 | enum rdma_nldev_command nldev_cmd; | |
c5dfe0ea LR |
1181 | u8 flags; |
1182 | u32 entry; | |
1183 | u32 id; | |
1184 | }; | |
1185 | ||
1186 | enum nldev_res_flags { | |
1187 | NLDEV_PER_DEV = 1 << 0, | |
d12ff624 SW |
1188 | }; |
1189 | ||
1190 | static const struct nldev_fill_res_entry fill_entries[RDMA_RESTRACK_MAX] = { | |
1191 | [RDMA_RESTRACK_QP] = { | |
d12ff624 SW |
1192 | .nldev_cmd = RDMA_NLDEV_CMD_RES_QP_GET, |
1193 | .nldev_attr = RDMA_NLDEV_ATTR_RES_QP, | |
c5dfe0ea | 1194 | .entry = RDMA_NLDEV_ATTR_RES_QP_ENTRY, |
1b8b7788 | 1195 | .id = RDMA_NLDEV_ATTR_RES_LQPN, |
d12ff624 | 1196 | }, |
00313983 | 1197 | [RDMA_RESTRACK_CM_ID] = { |
00313983 SW |
1198 | .nldev_cmd = RDMA_NLDEV_CMD_RES_CM_ID_GET, |
1199 | .nldev_attr = RDMA_NLDEV_ATTR_RES_CM_ID, | |
c5dfe0ea | 1200 | .entry = RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY, |
517b773e | 1201 | .id = RDMA_NLDEV_ATTR_RES_CM_IDN, |
00313983 | 1202 | }, |
a34fc089 | 1203 | [RDMA_RESTRACK_CQ] = { |
a34fc089 SW |
1204 | .nldev_cmd = RDMA_NLDEV_CMD_RES_CQ_GET, |
1205 | .nldev_attr = RDMA_NLDEV_ATTR_RES_CQ, | |
c5dfe0ea LR |
1206 | .flags = NLDEV_PER_DEV, |
1207 | .entry = RDMA_NLDEV_ATTR_RES_CQ_ENTRY, | |
517b773e | 1208 | .id = RDMA_NLDEV_ATTR_RES_CQN, |
a34fc089 | 1209 | }, |
fccec5b8 | 1210 | [RDMA_RESTRACK_MR] = { |
fccec5b8 SW |
1211 | .nldev_cmd = RDMA_NLDEV_CMD_RES_MR_GET, |
1212 | .nldev_attr = RDMA_NLDEV_ATTR_RES_MR, | |
c5dfe0ea LR |
1213 | .flags = NLDEV_PER_DEV, |
1214 | .entry = RDMA_NLDEV_ATTR_RES_MR_ENTRY, | |
517b773e | 1215 | .id = RDMA_NLDEV_ATTR_RES_MRN, |
fccec5b8 | 1216 | }, |
29cf1351 | 1217 | [RDMA_RESTRACK_PD] = { |
29cf1351 SW |
1218 | .nldev_cmd = RDMA_NLDEV_CMD_RES_PD_GET, |
1219 | .nldev_attr = RDMA_NLDEV_ATTR_RES_PD, | |
c5dfe0ea LR |
1220 | .flags = NLDEV_PER_DEV, |
1221 | .entry = RDMA_NLDEV_ATTR_RES_PD_ENTRY, | |
517b773e | 1222 | .id = RDMA_NLDEV_ATTR_RES_PDN, |
29cf1351 | 1223 | }, |
c4ffee7c | 1224 | [RDMA_RESTRACK_COUNTER] = { |
c4ffee7c MZ |
1225 | .nldev_cmd = RDMA_NLDEV_CMD_STAT_GET, |
1226 | .nldev_attr = RDMA_NLDEV_ATTR_STAT_COUNTER, | |
1227 | .entry = RDMA_NLDEV_ATTR_STAT_COUNTER_ENTRY, | |
1228 | .id = RDMA_NLDEV_ATTR_STAT_COUNTER_ID, | |
1229 | }, | |
d12ff624 SW |
1230 | }; |
1231 | ||
c5dfe0ea LR |
1232 | static int res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh, |
1233 | struct netlink_ext_ack *extack, | |
fb910690 EA |
1234 | enum rdma_restrack_type res_type, |
1235 | res_fill_func_t fill_func) | |
c5dfe0ea LR |
1236 | { |
1237 | const struct nldev_fill_res_entry *fe = &fill_entries[res_type]; | |
1238 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
1239 | struct rdma_restrack_entry *res; | |
1240 | struct ib_device *device; | |
1241 | u32 index, id, port = 0; | |
1242 | bool has_cap_net_admin; | |
1243 | struct sk_buff *msg; | |
1244 | int ret; | |
1245 | ||
8cb08174 JB |
1246 | ret = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
1247 | nldev_policy, extack); | |
c5dfe0ea LR |
1248 | if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !fe->id || !tb[fe->id]) |
1249 | return -EINVAL; | |
1250 | ||
1251 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
37eeab55 | 1252 | device = ib_device_get_by_index(sock_net(skb->sk), index); |
c5dfe0ea LR |
1253 | if (!device) |
1254 | return -EINVAL; | |
1255 | ||
1256 | if (tb[RDMA_NLDEV_ATTR_PORT_INDEX]) { | |
1257 | port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); | |
1258 | if (!rdma_is_port_valid(device, port)) { | |
1259 | ret = -EINVAL; | |
1260 | goto err; | |
1261 | } | |
1262 | } | |
1263 | ||
1264 | if ((port && fe->flags & NLDEV_PER_DEV) || | |
1265 | (!port && ~fe->flags & NLDEV_PER_DEV)) { | |
1266 | ret = -EINVAL; | |
1267 | goto err; | |
1268 | } | |
1269 | ||
1270 | id = nla_get_u32(tb[fe->id]); | |
1271 | res = rdma_restrack_get_byid(device, res_type, id); | |
1272 | if (IS_ERR(res)) { | |
1273 | ret = PTR_ERR(res); | |
1274 | goto err; | |
1275 | } | |
1276 | ||
c5dfe0ea LR |
1277 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
1278 | if (!msg) { | |
1279 | ret = -ENOMEM; | |
ab59ca3e | 1280 | goto err_get; |
c5dfe0ea LR |
1281 | } |
1282 | ||
1283 | nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, | |
1284 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, fe->nldev_cmd), | |
1285 | 0, 0); | |
1286 | ||
1287 | if (fill_nldev_handle(msg, device)) { | |
1288 | ret = -EMSGSIZE; | |
1289 | goto err_free; | |
1290 | } | |
1291 | ||
1292 | has_cap_net_admin = netlink_capable(skb, CAP_NET_ADMIN); | |
fb910690 EA |
1293 | |
1294 | ret = fill_func(msg, has_cap_net_admin, res, port); | |
c5dfe0ea LR |
1295 | if (ret) |
1296 | goto err_free; | |
1297 | ||
50bbe3d3 | 1298 | rdma_restrack_put(res); |
c5dfe0ea LR |
1299 | nlmsg_end(msg, nlh); |
1300 | ib_device_put(device); | |
1d2fedd8 | 1301 | return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); |
c5dfe0ea LR |
1302 | |
1303 | err_free: | |
1304 | nlmsg_free(msg); | |
1305 | err_get: | |
1306 | rdma_restrack_put(res); | |
1307 | err: | |
1308 | ib_device_put(device); | |
1309 | return ret; | |
1310 | } | |
1311 | ||
d12ff624 SW |
1312 | static int res_get_common_dumpit(struct sk_buff *skb, |
1313 | struct netlink_callback *cb, | |
fb910690 EA |
1314 | enum rdma_restrack_type res_type, |
1315 | res_fill_func_t fill_func) | |
b5fa635a | 1316 | { |
d12ff624 | 1317 | const struct nldev_fill_res_entry *fe = &fill_entries[res_type]; |
b5fa635a LR |
1318 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; |
1319 | struct rdma_restrack_entry *res; | |
7c77c6a9 | 1320 | struct rdma_restrack_root *rt; |
b5fa635a LR |
1321 | int err, ret = 0, idx = 0; |
1322 | struct nlattr *table_attr; | |
c5dfe0ea | 1323 | struct nlattr *entry_attr; |
b5fa635a LR |
1324 | struct ib_device *device; |
1325 | int start = cb->args[0]; | |
659067b0 | 1326 | bool has_cap_net_admin; |
b5fa635a | 1327 | struct nlmsghdr *nlh; |
fd47c2f9 | 1328 | unsigned long id; |
b5fa635a | 1329 | u32 index, port = 0; |
d12ff624 | 1330 | bool filled = false; |
b5fa635a | 1331 | |
8cb08174 JB |
1332 | err = nlmsg_parse_deprecated(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
1333 | nldev_policy, NULL); | |
b5fa635a | 1334 | /* |
d12ff624 | 1335 | * Right now, we are expecting the device index to get res information, |
b5fa635a LR |
1336 | * but it is possible to extend this code to return all devices in |
1337 | * one shot by checking the existence of RDMA_NLDEV_ATTR_DEV_INDEX. | |
1338 | * if it doesn't exist, we will iterate over all devices. | |
1339 | * | |
1340 | * But it is not needed for now. | |
1341 | */ | |
1342 | if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX]) | |
1343 | return -EINVAL; | |
1344 | ||
1345 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
37eeab55 | 1346 | device = ib_device_get_by_index(sock_net(skb->sk), index); |
b5fa635a LR |
1347 | if (!device) |
1348 | return -EINVAL; | |
1349 | ||
1350 | /* | |
1351 | * If no PORT_INDEX is supplied, we will return all QPs from that device | |
1352 | */ | |
1353 | if (tb[RDMA_NLDEV_ATTR_PORT_INDEX]) { | |
1354 | port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); | |
1355 | if (!rdma_is_port_valid(device, port)) { | |
1356 | ret = -EINVAL; | |
1357 | goto err_index; | |
1358 | } | |
1359 | } | |
1360 | ||
1361 | nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, | |
d12ff624 | 1362 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, fe->nldev_cmd), |
b5fa635a LR |
1363 | 0, NLM_F_MULTI); |
1364 | ||
1365 | if (fill_nldev_handle(skb, device)) { | |
1366 | ret = -EMSGSIZE; | |
1367 | goto err; | |
1368 | } | |
1369 | ||
ae0be8de | 1370 | table_attr = nla_nest_start_noflag(skb, fe->nldev_attr); |
b5fa635a LR |
1371 | if (!table_attr) { |
1372 | ret = -EMSGSIZE; | |
1373 | goto err; | |
1374 | } | |
1375 | ||
659067b0 LR |
1376 | has_cap_net_admin = netlink_capable(cb->skb, CAP_NET_ADMIN); |
1377 | ||
7c77c6a9 LR |
1378 | rt = &device->res[res_type]; |
1379 | xa_lock(&rt->xa); | |
fd47c2f9 LR |
1380 | /* |
1381 | * FIXME: if the skip ahead is something common this loop should | |
1382 | * use xas_for_each & xas_pause to optimize, we can have a lot of | |
1383 | * objects. | |
1384 | */ | |
7c77c6a9 | 1385 | xa_for_each(&rt->xa, id, res) { |
f2a0e45f | 1386 | if (idx < start || !rdma_restrack_get(res)) |
b5fa635a LR |
1387 | goto next; |
1388 | ||
7c77c6a9 LR |
1389 | xa_unlock(&rt->xa); |
1390 | ||
d12ff624 | 1391 | filled = true; |
b5fa635a | 1392 | |
ae0be8de | 1393 | entry_attr = nla_nest_start_noflag(skb, fe->entry); |
c5dfe0ea LR |
1394 | if (!entry_attr) { |
1395 | ret = -EMSGSIZE; | |
1396 | rdma_restrack_put(res); | |
7c77c6a9 | 1397 | goto msg_full; |
c5dfe0ea | 1398 | } |
c5dfe0ea | 1399 | |
fb910690 EA |
1400 | ret = fill_func(skb, has_cap_net_admin, res, port); |
1401 | ||
b5fa635a LR |
1402 | rdma_restrack_put(res); |
1403 | ||
7c77c6a9 | 1404 | if (ret) { |
c5dfe0ea | 1405 | nla_nest_cancel(skb, entry_attr); |
7c77c6a9 LR |
1406 | if (ret == -EMSGSIZE) |
1407 | goto msg_full; | |
1408 | if (ret == -EAGAIN) | |
1409 | goto again; | |
b5fa635a | 1410 | goto res_err; |
7c77c6a9 | 1411 | } |
c5dfe0ea | 1412 | nla_nest_end(skb, entry_attr); |
7c77c6a9 | 1413 | again: xa_lock(&rt->xa); |
b5fa635a LR |
1414 | next: idx++; |
1415 | } | |
7c77c6a9 | 1416 | xa_unlock(&rt->xa); |
b5fa635a | 1417 | |
7c77c6a9 | 1418 | msg_full: |
b5fa635a LR |
1419 | nla_nest_end(skb, table_attr); |
1420 | nlmsg_end(skb, nlh); | |
1421 | cb->args[0] = idx; | |
1422 | ||
1423 | /* | |
d12ff624 | 1424 | * No more entries to fill, cancel the message and |
b5fa635a LR |
1425 | * return 0 to mark end of dumpit. |
1426 | */ | |
d12ff624 | 1427 | if (!filled) |
b5fa635a LR |
1428 | goto err; |
1429 | ||
01b67117 | 1430 | ib_device_put(device); |
b5fa635a LR |
1431 | return skb->len; |
1432 | ||
1433 | res_err: | |
1434 | nla_nest_cancel(skb, table_attr); | |
b5fa635a LR |
1435 | |
1436 | err: | |
1437 | nlmsg_cancel(skb, nlh); | |
1438 | ||
1439 | err_index: | |
01b67117 | 1440 | ib_device_put(device); |
b5fa635a LR |
1441 | return ret; |
1442 | } | |
1443 | ||
fb910690 EA |
1444 | #define RES_GET_FUNCS(name, type) \ |
1445 | static int nldev_res_get_##name##_dumpit(struct sk_buff *skb, \ | |
f732e713 | 1446 | struct netlink_callback *cb) \ |
fb910690 EA |
1447 | { \ |
1448 | return res_get_common_dumpit(skb, cb, type, \ | |
1449 | fill_res_##name##_entry); \ | |
1450 | } \ | |
1451 | static int nldev_res_get_##name##_doit(struct sk_buff *skb, \ | |
1452 | struct nlmsghdr *nlh, \ | |
c5dfe0ea | 1453 | struct netlink_ext_ack *extack) \ |
fb910690 EA |
1454 | { \ |
1455 | return res_get_common_doit(skb, nlh, extack, type, \ | |
1456 | fill_res_##name##_entry); \ | |
f732e713 | 1457 | } |
fccec5b8 | 1458 | |
f732e713 LR |
1459 | RES_GET_FUNCS(qp, RDMA_RESTRACK_QP); |
1460 | RES_GET_FUNCS(cm_id, RDMA_RESTRACK_CM_ID); | |
1461 | RES_GET_FUNCS(cq, RDMA_RESTRACK_CQ); | |
1462 | RES_GET_FUNCS(pd, RDMA_RESTRACK_PD); | |
1463 | RES_GET_FUNCS(mr, RDMA_RESTRACK_MR); | |
c4ffee7c | 1464 | RES_GET_FUNCS(counter, RDMA_RESTRACK_COUNTER); |
29cf1351 | 1465 | |
3856ec4b SW |
1466 | static LIST_HEAD(link_ops); |
1467 | static DECLARE_RWSEM(link_ops_rwsem); | |
1468 | ||
1469 | static const struct rdma_link_ops *link_ops_get(const char *type) | |
1470 | { | |
1471 | const struct rdma_link_ops *ops; | |
1472 | ||
1473 | list_for_each_entry(ops, &link_ops, list) { | |
1474 | if (!strcmp(ops->type, type)) | |
1475 | goto out; | |
1476 | } | |
1477 | ops = NULL; | |
1478 | out: | |
1479 | return ops; | |
1480 | } | |
1481 | ||
1482 | void rdma_link_register(struct rdma_link_ops *ops) | |
1483 | { | |
1484 | down_write(&link_ops_rwsem); | |
afc1990e | 1485 | if (WARN_ON_ONCE(link_ops_get(ops->type))) |
3856ec4b | 1486 | goto out; |
3856ec4b SW |
1487 | list_add(&ops->list, &link_ops); |
1488 | out: | |
1489 | up_write(&link_ops_rwsem); | |
1490 | } | |
1491 | EXPORT_SYMBOL(rdma_link_register); | |
1492 | ||
1493 | void rdma_link_unregister(struct rdma_link_ops *ops) | |
1494 | { | |
1495 | down_write(&link_ops_rwsem); | |
1496 | list_del(&ops->list); | |
1497 | up_write(&link_ops_rwsem); | |
1498 | } | |
1499 | EXPORT_SYMBOL(rdma_link_unregister); | |
1500 | ||
1501 | static int nldev_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, | |
1502 | struct netlink_ext_ack *extack) | |
1503 | { | |
1504 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
1505 | char ibdev_name[IB_DEVICE_NAME_MAX]; | |
1506 | const struct rdma_link_ops *ops; | |
1507 | char ndev_name[IFNAMSIZ]; | |
1508 | struct net_device *ndev; | |
1509 | char type[IFNAMSIZ]; | |
1510 | int err; | |
1511 | ||
8cb08174 JB |
1512 | err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
1513 | nldev_policy, extack); | |
3856ec4b SW |
1514 | if (err || !tb[RDMA_NLDEV_ATTR_DEV_NAME] || |
1515 | !tb[RDMA_NLDEV_ATTR_LINK_TYPE] || !tb[RDMA_NLDEV_ATTR_NDEV_NAME]) | |
1516 | return -EINVAL; | |
1517 | ||
1518 | nla_strlcpy(ibdev_name, tb[RDMA_NLDEV_ATTR_DEV_NAME], | |
1519 | sizeof(ibdev_name)); | |
7aefa623 | 1520 | if (strchr(ibdev_name, '%') || strlen(ibdev_name) == 0) |
3856ec4b SW |
1521 | return -EINVAL; |
1522 | ||
1523 | nla_strlcpy(type, tb[RDMA_NLDEV_ATTR_LINK_TYPE], sizeof(type)); | |
1524 | nla_strlcpy(ndev_name, tb[RDMA_NLDEV_ATTR_NDEV_NAME], | |
1525 | sizeof(ndev_name)); | |
1526 | ||
7a54f78d | 1527 | ndev = dev_get_by_name(sock_net(skb->sk), ndev_name); |
3856ec4b SW |
1528 | if (!ndev) |
1529 | return -ENODEV; | |
1530 | ||
1531 | down_read(&link_ops_rwsem); | |
1532 | ops = link_ops_get(type); | |
1533 | #ifdef CONFIG_MODULES | |
1534 | if (!ops) { | |
1535 | up_read(&link_ops_rwsem); | |
1536 | request_module("rdma-link-%s", type); | |
1537 | down_read(&link_ops_rwsem); | |
1538 | ops = link_ops_get(type); | |
1539 | } | |
1540 | #endif | |
1541 | err = ops ? ops->newlink(ibdev_name, ndev) : -EINVAL; | |
1542 | up_read(&link_ops_rwsem); | |
1543 | dev_put(ndev); | |
1544 | ||
1545 | return err; | |
1546 | } | |
1547 | ||
1548 | static int nldev_dellink(struct sk_buff *skb, struct nlmsghdr *nlh, | |
1549 | struct netlink_ext_ack *extack) | |
1550 | { | |
1551 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
1552 | struct ib_device *device; | |
1553 | u32 index; | |
1554 | int err; | |
1555 | ||
8cb08174 JB |
1556 | err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
1557 | nldev_policy, extack); | |
3856ec4b SW |
1558 | if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX]) |
1559 | return -EINVAL; | |
1560 | ||
1561 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
37eeab55 | 1562 | device = ib_device_get_by_index(sock_net(skb->sk), index); |
3856ec4b SW |
1563 | if (!device) |
1564 | return -EINVAL; | |
1565 | ||
1566 | if (!(device->attrs.device_cap_flags & IB_DEVICE_ALLOW_USER_UNREG)) { | |
1567 | ib_device_put(device); | |
1568 | return -EINVAL; | |
1569 | } | |
1570 | ||
1571 | ib_unregister_device_and_put(device); | |
1572 | return 0; | |
1573 | } | |
1574 | ||
0e2d00eb JG |
1575 | static int nldev_get_chardev(struct sk_buff *skb, struct nlmsghdr *nlh, |
1576 | struct netlink_ext_ack *extack) | |
1577 | { | |
1578 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
34d65cd8 | 1579 | char client_name[RDMA_NLDEV_ATTR_CHARDEV_TYPE_SIZE]; |
0e2d00eb JG |
1580 | struct ib_client_nl_info data = {}; |
1581 | struct ib_device *ibdev = NULL; | |
1582 | struct sk_buff *msg; | |
1583 | u32 index; | |
1584 | int err; | |
1585 | ||
1586 | err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, nldev_policy, | |
1587 | extack); | |
1588 | if (err || !tb[RDMA_NLDEV_ATTR_CHARDEV_TYPE]) | |
1589 | return -EINVAL; | |
1590 | ||
34d65cd8 DL |
1591 | nla_strlcpy(client_name, tb[RDMA_NLDEV_ATTR_CHARDEV_TYPE], |
1592 | sizeof(client_name)); | |
0e2d00eb JG |
1593 | |
1594 | if (tb[RDMA_NLDEV_ATTR_DEV_INDEX]) { | |
1595 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
1596 | ibdev = ib_device_get_by_index(sock_net(skb->sk), index); | |
1597 | if (!ibdev) | |
1598 | return -EINVAL; | |
1599 | ||
1600 | if (tb[RDMA_NLDEV_ATTR_PORT_INDEX]) { | |
1601 | data.port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); | |
1602 | if (!rdma_is_port_valid(ibdev, data.port)) { | |
1603 | err = -EINVAL; | |
1604 | goto out_put; | |
1605 | } | |
1606 | } else { | |
1607 | data.port = -1; | |
1608 | } | |
1609 | } else if (tb[RDMA_NLDEV_ATTR_PORT_INDEX]) { | |
1610 | return -EINVAL; | |
1611 | } | |
1612 | ||
1613 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
1614 | if (!msg) { | |
1615 | err = -ENOMEM; | |
1616 | goto out_put; | |
1617 | } | |
1618 | nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, | |
1619 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, | |
1620 | RDMA_NLDEV_CMD_GET_CHARDEV), | |
1621 | 0, 0); | |
1622 | ||
1623 | data.nl_msg = msg; | |
1624 | err = ib_get_client_nl_info(ibdev, client_name, &data); | |
1625 | if (err) | |
1626 | goto out_nlmsg; | |
1627 | ||
1628 | err = nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_CHARDEV, | |
1629 | huge_encode_dev(data.cdev->devt), | |
1630 | RDMA_NLDEV_ATTR_PAD); | |
1631 | if (err) | |
1632 | goto out_data; | |
1633 | err = nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_CHARDEV_ABI, data.abi, | |
1634 | RDMA_NLDEV_ATTR_PAD); | |
1635 | if (err) | |
1636 | goto out_data; | |
1637 | if (nla_put_string(msg, RDMA_NLDEV_ATTR_CHARDEV_NAME, | |
1638 | dev_name(data.cdev))) { | |
1639 | err = -EMSGSIZE; | |
1640 | goto out_data; | |
1641 | } | |
1642 | ||
1643 | nlmsg_end(msg, nlh); | |
1644 | put_device(data.cdev); | |
1645 | if (ibdev) | |
1646 | ib_device_put(ibdev); | |
1d2fedd8 | 1647 | return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); |
0e2d00eb JG |
1648 | |
1649 | out_data: | |
1650 | put_device(data.cdev); | |
1651 | out_nlmsg: | |
1652 | nlmsg_free(msg); | |
1653 | out_put: | |
1654 | if (ibdev) | |
1655 | ib_device_put(ibdev); | |
1656 | return err; | |
1657 | } | |
1658 | ||
4d7ba8ce PP |
1659 | static int nldev_sys_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, |
1660 | struct netlink_ext_ack *extack) | |
cb7e0e13 PP |
1661 | { |
1662 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
4d7ba8ce | 1663 | struct sk_buff *msg; |
cb7e0e13 PP |
1664 | int err; |
1665 | ||
4d7ba8ce PP |
1666 | err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
1667 | nldev_policy, extack); | |
cb7e0e13 PP |
1668 | if (err) |
1669 | return err; | |
1670 | ||
4d7ba8ce PP |
1671 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
1672 | if (!msg) | |
1673 | return -ENOMEM; | |
1674 | ||
1675 | nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, | |
cb7e0e13 PP |
1676 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, |
1677 | RDMA_NLDEV_CMD_SYS_GET), | |
1678 | 0, 0); | |
1679 | ||
4d7ba8ce | 1680 | err = nla_put_u8(msg, RDMA_NLDEV_SYS_ATTR_NETNS_MODE, |
cb7e0e13 PP |
1681 | (u8)ib_devices_shared_netns); |
1682 | if (err) { | |
4d7ba8ce | 1683 | nlmsg_free(msg); |
cb7e0e13 PP |
1684 | return err; |
1685 | } | |
4d7ba8ce | 1686 | nlmsg_end(msg, nlh); |
1d2fedd8 | 1687 | return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); |
cb7e0e13 PP |
1688 | } |
1689 | ||
2b34c558 PP |
1690 | static int nldev_set_sys_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh, |
1691 | struct netlink_ext_ack *extack) | |
1692 | { | |
1693 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
1694 | u8 enable; | |
1695 | int err; | |
1696 | ||
1697 | err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, | |
1698 | nldev_policy, extack); | |
1699 | if (err || !tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE]) | |
1700 | return -EINVAL; | |
1701 | ||
1702 | enable = nla_get_u8(tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE]); | |
1703 | /* Only 0 and 1 are supported */ | |
1704 | if (enable > 1) | |
1705 | return -EINVAL; | |
1706 | ||
1707 | err = rdma_compatdev_set(enable); | |
1708 | return err; | |
1709 | } | |
1710 | ||
b47ae6f8 MZ |
1711 | static int nldev_stat_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh, |
1712 | struct netlink_ext_ack *extack) | |
1713 | { | |
b389327d | 1714 | u32 index, port, mode, mask = 0, qpn, cntn = 0; |
b47ae6f8 | 1715 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; |
b47ae6f8 MZ |
1716 | struct ib_device *device; |
1717 | struct sk_buff *msg; | |
1718 | int ret; | |
1719 | ||
1720 | ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, | |
1721 | nldev_policy, extack); | |
1722 | /* Currently only counter for QP is supported */ | |
1723 | if (ret || !tb[RDMA_NLDEV_ATTR_STAT_RES] || | |
1724 | !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || | |
1725 | !tb[RDMA_NLDEV_ATTR_PORT_INDEX] || !tb[RDMA_NLDEV_ATTR_STAT_MODE]) | |
1726 | return -EINVAL; | |
1727 | ||
1728 | if (nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_RES]) != RDMA_NLDEV_ATTR_RES_QP) | |
1729 | return -EINVAL; | |
1730 | ||
1731 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
1732 | device = ib_device_get_by_index(sock_net(skb->sk), index); | |
1733 | if (!device) | |
1734 | return -EINVAL; | |
1735 | ||
1736 | port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); | |
1737 | if (!rdma_is_port_valid(device, port)) { | |
1738 | ret = -EINVAL; | |
1739 | goto err; | |
1740 | } | |
1741 | ||
1742 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
1743 | if (!msg) { | |
1744 | ret = -ENOMEM; | |
1745 | goto err; | |
1746 | } | |
1747 | nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, | |
1748 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, | |
1749 | RDMA_NLDEV_CMD_STAT_SET), | |
1750 | 0, 0); | |
1751 | ||
1752 | mode = nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_MODE]); | |
b389327d MZ |
1753 | if (mode == RDMA_COUNTER_MODE_AUTO) { |
1754 | if (tb[RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK]) | |
1755 | mask = nla_get_u32( | |
1756 | tb[RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK]); | |
1757 | ||
1758 | ret = rdma_counter_set_auto_mode(device, port, | |
1759 | mask ? true : false, mask); | |
1760 | if (ret) | |
1761 | goto err_msg; | |
1762 | } else { | |
78f34a16 MZ |
1763 | if (!tb[RDMA_NLDEV_ATTR_RES_LQPN]) |
1764 | goto err_msg; | |
b389327d MZ |
1765 | qpn = nla_get_u32(tb[RDMA_NLDEV_ATTR_RES_LQPN]); |
1766 | if (tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]) { | |
1767 | cntn = nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]); | |
1768 | ret = rdma_counter_bind_qpn(device, port, qpn, cntn); | |
1769 | } else { | |
1770 | ret = rdma_counter_bind_qpn_alloc(device, port, | |
1771 | qpn, &cntn); | |
1772 | } | |
1773 | if (ret) | |
1774 | goto err_msg; | |
1775 | ||
1776 | if (fill_nldev_handle(msg, device) || | |
1777 | nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port) || | |
1778 | nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_COUNTER_ID, cntn) || | |
1779 | nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, qpn)) { | |
1780 | ret = -EMSGSIZE; | |
1781 | goto err_fill; | |
1782 | } | |
b47ae6f8 MZ |
1783 | } |
1784 | ||
b389327d MZ |
1785 | nlmsg_end(msg, nlh); |
1786 | ib_device_put(device); | |
1d2fedd8 | 1787 | return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); |
b389327d MZ |
1788 | |
1789 | err_fill: | |
1790 | rdma_counter_unbind_qpn(device, port, qpn, cntn); | |
1791 | err_msg: | |
1792 | nlmsg_free(msg); | |
1793 | err: | |
1794 | ib_device_put(device); | |
1795 | return ret; | |
1796 | } | |
1797 | ||
1798 | static int nldev_stat_del_doit(struct sk_buff *skb, struct nlmsghdr *nlh, | |
1799 | struct netlink_ext_ack *extack) | |
1800 | { | |
1801 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
1802 | struct ib_device *device; | |
1803 | struct sk_buff *msg; | |
1804 | u32 index, port, qpn, cntn; | |
1805 | int ret; | |
b47ae6f8 | 1806 | |
b389327d MZ |
1807 | ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, |
1808 | nldev_policy, extack); | |
1809 | if (ret || !tb[RDMA_NLDEV_ATTR_STAT_RES] || | |
1810 | !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_PORT_INDEX] || | |
1811 | !tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID] || | |
1812 | !tb[RDMA_NLDEV_ATTR_RES_LQPN]) | |
1813 | return -EINVAL; | |
1814 | ||
1815 | if (nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_RES]) != RDMA_NLDEV_ATTR_RES_QP) | |
1816 | return -EINVAL; | |
1817 | ||
1818 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
1819 | device = ib_device_get_by_index(sock_net(skb->sk), index); | |
1820 | if (!device) | |
1821 | return -EINVAL; | |
1822 | ||
1823 | port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); | |
1824 | if (!rdma_is_port_valid(device, port)) { | |
1825 | ret = -EINVAL; | |
1826 | goto err; | |
1827 | } | |
1828 | ||
1829 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
1830 | if (!msg) { | |
1831 | ret = -ENOMEM; | |
1832 | goto err; | |
1833 | } | |
1834 | nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, | |
1835 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, | |
1836 | RDMA_NLDEV_CMD_STAT_SET), | |
1837 | 0, 0); | |
1838 | ||
1839 | cntn = nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]); | |
1840 | qpn = nla_get_u32(tb[RDMA_NLDEV_ATTR_RES_LQPN]); | |
b389327d MZ |
1841 | if (fill_nldev_handle(msg, device) || |
1842 | nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port) || | |
1843 | nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_COUNTER_ID, cntn) || | |
1844 | nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, qpn)) { | |
b47ae6f8 | 1845 | ret = -EMSGSIZE; |
b389327d | 1846 | goto err_fill; |
b47ae6f8 MZ |
1847 | } |
1848 | ||
594e6c5d LR |
1849 | ret = rdma_counter_unbind_qpn(device, port, qpn, cntn); |
1850 | if (ret) | |
1851 | goto err_fill; | |
1852 | ||
b47ae6f8 MZ |
1853 | nlmsg_end(msg, nlh); |
1854 | ib_device_put(device); | |
1d2fedd8 | 1855 | return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); |
b47ae6f8 | 1856 | |
b389327d | 1857 | err_fill: |
b47ae6f8 MZ |
1858 | nlmsg_free(msg); |
1859 | err: | |
1860 | ib_device_put(device); | |
1861 | return ret; | |
1862 | } | |
1863 | ||
6e7be47a MZ |
1864 | static int stat_get_doit_default_counter(struct sk_buff *skb, |
1865 | struct nlmsghdr *nlh, | |
1866 | struct netlink_ext_ack *extack, | |
1867 | struct nlattr *tb[]) | |
1868 | { | |
1869 | struct rdma_hw_stats *stats; | |
1870 | struct nlattr *table_attr; | |
1871 | struct ib_device *device; | |
1872 | int ret, num_cnts, i; | |
1873 | struct sk_buff *msg; | |
1874 | u32 index, port; | |
1875 | u64 v; | |
1876 | ||
1877 | if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_PORT_INDEX]) | |
1878 | return -EINVAL; | |
1879 | ||
1880 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
1881 | device = ib_device_get_by_index(sock_net(skb->sk), index); | |
1882 | if (!device) | |
1883 | return -EINVAL; | |
1884 | ||
1885 | if (!device->ops.alloc_hw_stats || !device->ops.get_hw_stats) { | |
1886 | ret = -EINVAL; | |
1887 | goto err; | |
1888 | } | |
1889 | ||
1890 | port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); | |
1891 | if (!rdma_is_port_valid(device, port)) { | |
1892 | ret = -EINVAL; | |
1893 | goto err; | |
1894 | } | |
1895 | ||
1896 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
1897 | if (!msg) { | |
1898 | ret = -ENOMEM; | |
1899 | goto err; | |
1900 | } | |
1901 | ||
1902 | nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, | |
1903 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, | |
1904 | RDMA_NLDEV_CMD_STAT_GET), | |
1905 | 0, 0); | |
1906 | ||
1907 | if (fill_nldev_handle(msg, device) || | |
1908 | nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port)) { | |
1909 | ret = -EMSGSIZE; | |
1910 | goto err_msg; | |
1911 | } | |
1912 | ||
1913 | stats = device->port_data ? device->port_data[port].hw_stats : NULL; | |
1914 | if (stats == NULL) { | |
1915 | ret = -EINVAL; | |
1916 | goto err_msg; | |
1917 | } | |
1918 | mutex_lock(&stats->lock); | |
1919 | ||
1920 | num_cnts = device->ops.get_hw_stats(device, stats, port, 0); | |
1921 | if (num_cnts < 0) { | |
1922 | ret = -EINVAL; | |
1923 | goto err_stats; | |
1924 | } | |
1925 | ||
1926 | table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTERS); | |
1927 | if (!table_attr) { | |
1928 | ret = -EMSGSIZE; | |
1929 | goto err_stats; | |
1930 | } | |
1931 | for (i = 0; i < num_cnts; i++) { | |
1932 | v = stats->value[i] + | |
1933 | rdma_counter_get_hwstat_value(device, port, i); | |
4061ff7a | 1934 | if (rdma_nl_stat_hwcounter_entry(msg, stats->names[i], v)) { |
6e7be47a MZ |
1935 | ret = -EMSGSIZE; |
1936 | goto err_table; | |
1937 | } | |
1938 | } | |
1939 | nla_nest_end(msg, table_attr); | |
1940 | ||
1941 | mutex_unlock(&stats->lock); | |
1942 | nlmsg_end(msg, nlh); | |
1943 | ib_device_put(device); | |
1d2fedd8 | 1944 | return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); |
6e7be47a MZ |
1945 | |
1946 | err_table: | |
1947 | nla_nest_cancel(msg, table_attr); | |
1948 | err_stats: | |
1949 | mutex_unlock(&stats->lock); | |
1950 | err_msg: | |
1951 | nlmsg_free(msg); | |
1952 | err: | |
1953 | ib_device_put(device); | |
1954 | return ret; | |
1955 | } | |
1956 | ||
83c2c1fc MZ |
1957 | static int stat_get_doit_qp(struct sk_buff *skb, struct nlmsghdr *nlh, |
1958 | struct netlink_ext_ack *extack, struct nlattr *tb[]) | |
1959 | ||
1960 | { | |
1961 | static enum rdma_nl_counter_mode mode; | |
1962 | static enum rdma_nl_counter_mask mask; | |
1963 | struct ib_device *device; | |
1964 | struct sk_buff *msg; | |
1965 | u32 index, port; | |
1966 | int ret; | |
1967 | ||
1968 | if (tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]) | |
1969 | return nldev_res_get_counter_doit(skb, nlh, extack); | |
1970 | ||
1971 | if (!tb[RDMA_NLDEV_ATTR_STAT_MODE] || | |
1972 | !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_PORT_INDEX]) | |
1973 | return -EINVAL; | |
1974 | ||
1975 | index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); | |
1976 | device = ib_device_get_by_index(sock_net(skb->sk), index); | |
1977 | if (!device) | |
1978 | return -EINVAL; | |
1979 | ||
1980 | port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); | |
1981 | if (!rdma_is_port_valid(device, port)) { | |
1982 | ret = -EINVAL; | |
1983 | goto err; | |
1984 | } | |
1985 | ||
1986 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
1987 | if (!msg) { | |
1988 | ret = -ENOMEM; | |
1989 | goto err; | |
1990 | } | |
1991 | ||
1992 | nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq, | |
1993 | RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, | |
1994 | RDMA_NLDEV_CMD_STAT_GET), | |
1995 | 0, 0); | |
1996 | ||
1997 | ret = rdma_counter_get_mode(device, port, &mode, &mask); | |
1998 | if (ret) | |
1999 | goto err_msg; | |
2000 | ||
2001 | if (fill_nldev_handle(msg, device) || | |
2002 | nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port) || | |
932727c5 DC |
2003 | nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_MODE, mode)) { |
2004 | ret = -EMSGSIZE; | |
83c2c1fc | 2005 | goto err_msg; |
932727c5 | 2006 | } |
83c2c1fc MZ |
2007 | |
2008 | if ((mode == RDMA_COUNTER_MODE_AUTO) && | |
932727c5 DC |
2009 | nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK, mask)) { |
2010 | ret = -EMSGSIZE; | |
83c2c1fc | 2011 | goto err_msg; |
932727c5 | 2012 | } |
83c2c1fc MZ |
2013 | |
2014 | nlmsg_end(msg, nlh); | |
2015 | ib_device_put(device); | |
1d2fedd8 | 2016 | return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid); |
83c2c1fc MZ |
2017 | |
2018 | err_msg: | |
2019 | nlmsg_free(msg); | |
2020 | err: | |
2021 | ib_device_put(device); | |
2022 | return ret; | |
2023 | } | |
2024 | ||
c4ffee7c MZ |
2025 | static int nldev_stat_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, |
2026 | struct netlink_ext_ack *extack) | |
2027 | { | |
2028 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
2029 | int ret; | |
2030 | ||
2031 | ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, | |
2032 | nldev_policy, extack); | |
6e7be47a | 2033 | if (ret) |
c4ffee7c MZ |
2034 | return -EINVAL; |
2035 | ||
6e7be47a MZ |
2036 | if (!tb[RDMA_NLDEV_ATTR_STAT_RES]) |
2037 | return stat_get_doit_default_counter(skb, nlh, extack, tb); | |
2038 | ||
c4ffee7c MZ |
2039 | switch (nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_RES])) { |
2040 | case RDMA_NLDEV_ATTR_RES_QP: | |
83c2c1fc | 2041 | ret = stat_get_doit_qp(skb, nlh, extack, tb); |
c4ffee7c | 2042 | break; |
4061ff7a EA |
2043 | case RDMA_NLDEV_ATTR_RES_MR: |
2044 | ret = res_get_common_doit(skb, nlh, extack, RDMA_RESTRACK_MR, | |
2045 | fill_stat_mr_entry); | |
2046 | break; | |
c4ffee7c MZ |
2047 | default: |
2048 | ret = -EINVAL; | |
2049 | break; | |
2050 | } | |
2051 | ||
2052 | return ret; | |
2053 | } | |
2054 | ||
2055 | static int nldev_stat_get_dumpit(struct sk_buff *skb, | |
2056 | struct netlink_callback *cb) | |
2057 | { | |
2058 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX]; | |
2059 | int ret; | |
2060 | ||
2061 | ret = nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, | |
2062 | nldev_policy, NULL); | |
2063 | if (ret || !tb[RDMA_NLDEV_ATTR_STAT_RES]) | |
2064 | return -EINVAL; | |
2065 | ||
2066 | switch (nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_RES])) { | |
2067 | case RDMA_NLDEV_ATTR_RES_QP: | |
2068 | ret = nldev_res_get_counter_dumpit(skb, cb); | |
2069 | break; | |
4061ff7a EA |
2070 | case RDMA_NLDEV_ATTR_RES_MR: |
2071 | ret = res_get_common_dumpit(skb, cb, RDMA_RESTRACK_MR, | |
2072 | fill_stat_mr_entry); | |
2073 | break; | |
c4ffee7c MZ |
2074 | default: |
2075 | ret = -EINVAL; | |
2076 | break; | |
2077 | } | |
2078 | ||
2079 | return ret; | |
2080 | } | |
2081 | ||
d0e312fe | 2082 | static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = { |
b4c598a6 | 2083 | [RDMA_NLDEV_CMD_GET] = { |
e5c9469e | 2084 | .doit = nldev_get_doit, |
b4c598a6 LR |
2085 | .dump = nldev_get_dumpit, |
2086 | }, | |
0e2d00eb JG |
2087 | [RDMA_NLDEV_CMD_GET_CHARDEV] = { |
2088 | .doit = nldev_get_chardev, | |
2089 | }, | |
05d940d3 LR |
2090 | [RDMA_NLDEV_CMD_SET] = { |
2091 | .doit = nldev_set_doit, | |
2092 | .flags = RDMA_NL_ADMIN_PERM, | |
2093 | }, | |
3856ec4b SW |
2094 | [RDMA_NLDEV_CMD_NEWLINK] = { |
2095 | .doit = nldev_newlink, | |
2096 | .flags = RDMA_NL_ADMIN_PERM, | |
2097 | }, | |
2098 | [RDMA_NLDEV_CMD_DELLINK] = { | |
2099 | .doit = nldev_dellink, | |
2100 | .flags = RDMA_NL_ADMIN_PERM, | |
2101 | }, | |
7d02f605 | 2102 | [RDMA_NLDEV_CMD_PORT_GET] = { |
c3f66f7b | 2103 | .doit = nldev_port_get_doit, |
7d02f605 LR |
2104 | .dump = nldev_port_get_dumpit, |
2105 | }, | |
bf3c5a93 LR |
2106 | [RDMA_NLDEV_CMD_RES_GET] = { |
2107 | .doit = nldev_res_get_doit, | |
2108 | .dump = nldev_res_get_dumpit, | |
2109 | }, | |
b5fa635a | 2110 | [RDMA_NLDEV_CMD_RES_QP_GET] = { |
c5dfe0ea | 2111 | .doit = nldev_res_get_qp_doit, |
b5fa635a | 2112 | .dump = nldev_res_get_qp_dumpit, |
b5fa635a | 2113 | }, |
00313983 | 2114 | [RDMA_NLDEV_CMD_RES_CM_ID_GET] = { |
c5dfe0ea | 2115 | .doit = nldev_res_get_cm_id_doit, |
00313983 SW |
2116 | .dump = nldev_res_get_cm_id_dumpit, |
2117 | }, | |
a34fc089 | 2118 | [RDMA_NLDEV_CMD_RES_CQ_GET] = { |
c5dfe0ea | 2119 | .doit = nldev_res_get_cq_doit, |
a34fc089 SW |
2120 | .dump = nldev_res_get_cq_dumpit, |
2121 | }, | |
fccec5b8 | 2122 | [RDMA_NLDEV_CMD_RES_MR_GET] = { |
c5dfe0ea | 2123 | .doit = nldev_res_get_mr_doit, |
fccec5b8 SW |
2124 | .dump = nldev_res_get_mr_dumpit, |
2125 | }, | |
29cf1351 | 2126 | [RDMA_NLDEV_CMD_RES_PD_GET] = { |
c5dfe0ea | 2127 | .doit = nldev_res_get_pd_doit, |
29cf1351 SW |
2128 | .dump = nldev_res_get_pd_dumpit, |
2129 | }, | |
cb7e0e13 | 2130 | [RDMA_NLDEV_CMD_SYS_GET] = { |
4d7ba8ce | 2131 | .doit = nldev_sys_get_doit, |
cb7e0e13 | 2132 | }, |
2b34c558 PP |
2133 | [RDMA_NLDEV_CMD_SYS_SET] = { |
2134 | .doit = nldev_set_sys_set_doit, | |
b47ae6f8 MZ |
2135 | }, |
2136 | [RDMA_NLDEV_CMD_STAT_SET] = { | |
2137 | .doit = nldev_stat_set_doit, | |
2b34c558 PP |
2138 | .flags = RDMA_NL_ADMIN_PERM, |
2139 | }, | |
c4ffee7c MZ |
2140 | [RDMA_NLDEV_CMD_STAT_GET] = { |
2141 | .doit = nldev_stat_get_doit, | |
2142 | .dump = nldev_stat_get_dumpit, | |
2143 | }, | |
b389327d MZ |
2144 | [RDMA_NLDEV_CMD_STAT_DEL] = { |
2145 | .doit = nldev_stat_del_doit, | |
2146 | .flags = RDMA_NL_ADMIN_PERM, | |
2147 | }, | |
b4c598a6 LR |
2148 | }; |
2149 | ||
6c80b41a LR |
2150 | void __init nldev_init(void) |
2151 | { | |
b4c598a6 | 2152 | rdma_nl_register(RDMA_NL_NLDEV, nldev_cb_table); |
6c80b41a LR |
2153 | } |
2154 | ||
2155 | void __exit nldev_exit(void) | |
2156 | { | |
2157 | rdma_nl_unregister(RDMA_NL_NLDEV); | |
2158 | } | |
e3bf14bd JG |
2159 | |
2160 | MODULE_ALIAS_RDMA_NETLINK(RDMA_NL_NLDEV, 5); |