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Commit | Line | Data |
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835d8321 | 1 | // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB |
40df8263 LR |
2 | /* |
3 | * dev.c RDMA tool | |
40df8263 LR |
4 | * Authors: Leon Romanovsky <leonro@mellanox.com> |
5 | */ | |
6 | ||
d17a0248 | 7 | #include <fcntl.h> |
40df8263 LR |
8 | #include "rdma.h" |
9 | ||
10 | static int dev_help(struct rd *rd) | |
11 | { | |
12 | pr_out("Usage: %s dev show [DEV]\n", rd->filename); | |
4443c9c6 | 13 | pr_out(" %s dev set [DEV] name DEVNAME\n", rd->filename); |
d17a0248 | 14 | pr_out(" %s dev set [DEV] netns NSNAME\n", rd->filename); |
8a56ef32 | 15 | pr_out(" %s dev set [DEV] adaptive-moderation [on|off]\n", rd->filename); |
40df8263 LR |
16 | return 0; |
17 | } | |
18 | ||
19 | static const char *dev_caps_to_str(uint32_t idx) | |
20 | { | |
378dd31b | 21 | #define RDMA_DEV_FLAGS_LOW(x) \ |
40df8263 LR |
22 | x(RESIZE_MAX_WR, 0) \ |
23 | x(BAD_PKEY_CNTR, 1) \ | |
24 | x(BAD_QKEY_CNTR, 2) \ | |
25 | x(RAW_MULTI, 3) \ | |
26 | x(AUTO_PATH_MIG, 4) \ | |
27 | x(CHANGE_PHY_PORT, 5) \ | |
28 | x(UD_AV_PORT_ENFORCE_PORT_ENFORCE, 6) \ | |
29 | x(CURR_QP_STATE_MOD, 7) \ | |
30 | x(SHUTDOWN_PORT, 8) \ | |
31 | x(INIT_TYPE, 9) \ | |
32 | x(PORT_ACTIVE_EVENT, 10) \ | |
33 | x(SYS_IMAGE_GUID, 11) \ | |
34 | x(RC_RNR_NAK_GEN, 12) \ | |
35 | x(SRQ_RESIZE, 13) \ | |
36 | x(N_NOTIFY_CQ, 14) \ | |
37 | x(LOCAL_DMA_LKEY, 15) \ | |
38 | x(MEM_WINDOW, 17) \ | |
39 | x(UD_IP_CSUM, 18) \ | |
40 | x(UD_TSO, 19) \ | |
41 | x(XRC, 20) \ | |
42 | x(MEM_MGT_EXTENSIONS, 21) \ | |
43 | x(BLOCK_MULTICAST_LOOPBACK, 22) \ | |
44 | x(MEM_WINDOW_TYPE_2A, 23) \ | |
45 | x(MEM_WINDOW_TYPE_2B, 24) \ | |
46 | x(RC_IP_CSUM, 25) \ | |
47 | x(RAW_IP_CSUM, 26) \ | |
48 | x(CROSS_CHANNEL, 27) \ | |
49 | x(MANAGED_FLOW_STEERING, 29) \ | |
50 | x(SIGNATURE_HANDOVER, 30) \ | |
378dd31b | 51 | x(ON_DEMAND_PAGING, 31) |
40df8263 | 52 | |
378dd31b LR |
53 | #define RDMA_DEV_FLAGS_HIGH(x) \ |
54 | x(SG_GAPS_REG, 0) \ | |
55 | x(VIRTUAL_FUNCTION, 1) \ | |
56 | x(RAW_SCATTER_FCS, 2) \ | |
57 | x(RDMA_NETDEV_OPA_VNIC, 3) \ | |
58 | x(PCI_WRITE_END_PADDING, 4) | |
40df8263 | 59 | |
378dd31b LR |
60 | /* |
61 | * Separation below is needed to allow compilation of rdmatool | |
62 | * on 32bits systems. On such systems, C-enum is limited to be | |
63 | * int and can't hold more than 32 bits. | |
64 | */ | |
65 | enum { RDMA_DEV_FLAGS_LOW(RDMA_BITMAP_ENUM) }; | |
66 | enum { RDMA_DEV_FLAGS_HIGH(RDMA_BITMAP_ENUM) }; | |
67 | ||
68 | static const char * const | |
69 | rdma_dev_names_low[] = { RDMA_DEV_FLAGS_LOW(RDMA_BITMAP_NAMES) }; | |
40df8263 | 70 | static const char * const |
378dd31b LR |
71 | rdma_dev_names_high[] = { RDMA_DEV_FLAGS_HIGH(RDMA_BITMAP_NAMES) }; |
72 | uint32_t high_idx; | |
73 | #undef RDMA_DEV_FLAGS_LOW | |
74 | #undef RDMA_DEV_FLAGS_HIGH | |
75 | ||
76 | if (idx < ARRAY_SIZE(rdma_dev_names_low) && rdma_dev_names_low[idx]) | |
77 | return rdma_dev_names_low[idx]; | |
78 | ||
79 | high_idx = idx - ARRAY_SIZE(rdma_dev_names_low); | |
80 | if (high_idx < ARRAY_SIZE(rdma_dev_names_high) && | |
81 | rdma_dev_names_high[high_idx]) | |
82 | return rdma_dev_names_high[high_idx]; | |
40df8263 | 83 | |
40df8263 LR |
84 | return "UNKNOWN"; |
85 | } | |
86 | ||
ef353e2e | 87 | static void dev_print_caps(struct rd *rd, struct nlattr **tb) |
40df8263 LR |
88 | { |
89 | uint64_t caps; | |
90 | uint32_t idx; | |
91 | ||
92 | if (!tb[RDMA_NLDEV_ATTR_CAP_FLAGS]) | |
93 | return; | |
94 | ||
95 | caps = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_CAP_FLAGS]); | |
96 | ||
b0a688a5 IK |
97 | print_color_string(PRINT_FP, COLOR_NONE, NULL, "\n caps: <", NULL); |
98 | open_json_array(PRINT_JSON, "caps"); | |
40df8263 | 99 | for (idx = 0; caps; idx++) { |
b0a688a5 IK |
100 | if (caps & 0x1) |
101 | print_color_string(PRINT_ANY, COLOR_NONE, NULL, | |
102 | caps >> 0x1 ? "%s, " : "%s", | |
103 | dev_caps_to_str(idx)); | |
40df8263 LR |
104 | caps >>= 0x1; |
105 | } | |
b0a688a5 | 106 | close_json_array(PRINT_ANY, ">"); |
40df8263 LR |
107 | } |
108 | ||
ef353e2e | 109 | static void dev_print_fw(struct rd *rd, struct nlattr **tb) |
40df8263 | 110 | { |
ef353e2e | 111 | const char *str; |
40df8263 LR |
112 | if (!tb[RDMA_NLDEV_ATTR_FW_VERSION]) |
113 | return; | |
114 | ||
ef353e2e | 115 | str = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_FW_VERSION]); |
b0a688a5 | 116 | print_color_string(PRINT_ANY, COLOR_NONE, "fw", "fw %s ", str); |
40df8263 LR |
117 | } |
118 | ||
ef353e2e | 119 | static void dev_print_node_guid(struct rd *rd, struct nlattr **tb) |
40df8263 LR |
120 | { |
121 | uint64_t node_guid; | |
ef353e2e LR |
122 | uint16_t vp[4]; |
123 | char str[32]; | |
40df8263 LR |
124 | |
125 | if (!tb[RDMA_NLDEV_ATTR_NODE_GUID]) | |
126 | return; | |
127 | ||
128 | node_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_NODE_GUID]); | |
ef353e2e LR |
129 | memcpy(vp, &node_guid, sizeof(uint64_t)); |
130 | snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]); | |
b0a688a5 IK |
131 | print_color_string(PRINT_ANY, COLOR_NONE, "node_guid", "node_guid %s ", |
132 | str); | |
40df8263 LR |
133 | } |
134 | ||
ef353e2e | 135 | static void dev_print_sys_image_guid(struct rd *rd, struct nlattr **tb) |
40df8263 LR |
136 | { |
137 | uint64_t sys_image_guid; | |
ef353e2e LR |
138 | uint16_t vp[4]; |
139 | char str[32]; | |
40df8263 LR |
140 | |
141 | if (!tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID]) | |
142 | return; | |
143 | ||
144 | sys_image_guid = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_SYS_IMAGE_GUID]); | |
ef353e2e LR |
145 | memcpy(vp, &sys_image_guid, sizeof(uint64_t)); |
146 | snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]); | |
b0a688a5 IK |
147 | print_color_string(PRINT_ANY, COLOR_NONE, "sys_image_guid", |
148 | "sys_image_guid %s ", str); | |
40df8263 LR |
149 | } |
150 | ||
8a56ef32 YF |
151 | static void dev_print_dim_setting(struct rd *rd, struct nlattr **tb) |
152 | { | |
153 | uint8_t dim_setting; | |
154 | ||
155 | if (!tb[RDMA_NLDEV_ATTR_DEV_DIM]) | |
156 | return; | |
157 | ||
158 | dim_setting = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_DEV_DIM]); | |
159 | if (dim_setting > 1) | |
160 | return; | |
161 | ||
162 | print_on_off(rd, "adaptive-moderation", dim_setting); | |
163 | ||
164 | } | |
165 | ||
40df8263 LR |
166 | static const char *node_type_to_str(uint8_t node_type) |
167 | { | |
168 | static const char * const node_type_str[] = { "unknown", "ca", | |
169 | "switch", "router", | |
170 | "rnic", "usnic", | |
7087f7c0 GP |
171 | "usnic_udp", |
172 | "unspecified" }; | |
40df8263 LR |
173 | if (node_type < ARRAY_SIZE(node_type_str)) |
174 | return node_type_str[node_type]; | |
175 | return "unknown"; | |
176 | } | |
177 | ||
ef353e2e | 178 | static void dev_print_node_type(struct rd *rd, struct nlattr **tb) |
40df8263 | 179 | { |
ef353e2e | 180 | const char *node_str; |
40df8263 LR |
181 | uint8_t node_type; |
182 | ||
183 | if (!tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE]) | |
184 | return; | |
185 | ||
186 | node_type = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_DEV_NODE_TYPE]); | |
ef353e2e | 187 | node_str = node_type_to_str(node_type); |
b0a688a5 IK |
188 | print_color_string(PRINT_ANY, COLOR_NONE, "node_type", "node_type %s ", |
189 | node_str); | |
40df8263 LR |
190 | } |
191 | ||
192 | static int dev_parse_cb(const struct nlmsghdr *nlh, void *data) | |
193 | { | |
194 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; | |
195 | struct rd *rd = data; | |
ef353e2e LR |
196 | const char *name; |
197 | uint32_t idx; | |
40df8263 LR |
198 | |
199 | mnl_attr_parse(nlh, 0, rd_attr_cb, tb); | |
200 | if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME]) | |
201 | return MNL_CB_ERROR; | |
b0a688a5 | 202 | open_json_object(NULL); |
ef353e2e LR |
203 | idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); |
204 | name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]); | |
b0a688a5 IK |
205 | print_color_uint(PRINT_ANY, COLOR_NONE, "ifindex", "%u: ", idx); |
206 | print_color_string(PRINT_ANY, COLOR_NONE, "ifname", "%s: ", name); | |
ef353e2e LR |
207 | |
208 | dev_print_node_type(rd, tb); | |
209 | dev_print_fw(rd, tb); | |
210 | dev_print_node_guid(rd, tb); | |
211 | dev_print_sys_image_guid(rd, tb); | |
8a56ef32 YF |
212 | if (rd->show_details) { |
213 | dev_print_dim_setting(rd, tb); | |
ef353e2e | 214 | dev_print_caps(rd, tb); |
8a56ef32 | 215 | } |
40df8263 | 216 | |
b0a688a5 | 217 | newline(rd); |
40df8263 LR |
218 | return MNL_CB_OK; |
219 | } | |
220 | ||
221 | static int dev_no_args(struct rd *rd) | |
222 | { | |
223 | uint32_t seq; | |
224 | int ret; | |
225 | ||
226 | rd_prepare_msg(rd, RDMA_NLDEV_CMD_GET, | |
227 | &seq, (NLM_F_REQUEST | NLM_F_ACK)); | |
228 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); | |
229 | ret = rd_send_msg(rd); | |
230 | if (ret) | |
231 | return ret; | |
232 | ||
ef353e2e | 233 | ret = rd_recv_msg(rd, dev_parse_cb, rd, seq); |
ef353e2e | 234 | return ret; |
40df8263 LR |
235 | } |
236 | ||
237 | static int dev_one_show(struct rd *rd) | |
238 | { | |
239 | const struct rd_cmd cmds[] = { | |
240 | { NULL, dev_no_args}, | |
241 | { 0 } | |
242 | }; | |
243 | ||
244 | return rd_exec_cmd(rd, cmds, "parameter"); | |
245 | } | |
246 | ||
4443c9c6 LR |
247 | static int dev_set_name(struct rd *rd) |
248 | { | |
249 | uint32_t seq; | |
250 | ||
251 | if (rd_no_arg(rd)) { | |
252 | pr_err("Please provide device new name.\n"); | |
253 | return -EINVAL; | |
254 | } | |
255 | ||
256 | rd_prepare_msg(rd, RDMA_NLDEV_CMD_SET, | |
257 | &seq, (NLM_F_REQUEST | NLM_F_ACK)); | |
258 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); | |
259 | mnl_attr_put_strz(rd->nlh, RDMA_NLDEV_ATTR_DEV_NAME, rd_argv(rd)); | |
260 | ||
8f5cfd23 | 261 | return rd_sendrecv_msg(rd, seq); |
4443c9c6 LR |
262 | } |
263 | ||
d17a0248 PP |
264 | static int dev_set_netns(struct rd *rd) |
265 | { | |
266 | char *netns_path; | |
267 | uint32_t seq; | |
268 | int netns; | |
269 | int ret; | |
270 | ||
271 | if (rd_no_arg(rd)) { | |
272 | pr_err("Please provide device name.\n"); | |
273 | return -EINVAL; | |
274 | } | |
275 | ||
276 | if (asprintf(&netns_path, "%s/%s", NETNS_RUN_DIR, rd_argv(rd)) < 0) | |
277 | return -ENOMEM; | |
278 | ||
279 | netns = open(netns_path, O_RDONLY | O_CLOEXEC); | |
280 | if (netns < 0) { | |
281 | fprintf(stderr, "Cannot open network namespace \"%s\": %s\n", | |
282 | rd_argv(rd), strerror(errno)); | |
283 | ret = -EINVAL; | |
284 | goto done; | |
285 | } | |
286 | ||
287 | rd_prepare_msg(rd, RDMA_NLDEV_CMD_SET, | |
288 | &seq, (NLM_F_REQUEST | NLM_F_ACK)); | |
289 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); | |
290 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_NET_NS_FD, netns); | |
291 | ret = rd_sendrecv_msg(rd, seq); | |
292 | close(netns); | |
293 | done: | |
294 | free(netns_path); | |
295 | return ret; | |
296 | } | |
297 | ||
8a56ef32 YF |
298 | static int dev_set_dim_sendmsg(struct rd *rd, uint8_t dim_setting) |
299 | { | |
300 | uint32_t seq; | |
301 | ||
302 | rd_prepare_msg(rd, RDMA_NLDEV_CMD_SET, &seq, | |
303 | (NLM_F_REQUEST | NLM_F_ACK)); | |
304 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); | |
305 | mnl_attr_put_u8(rd->nlh, RDMA_NLDEV_ATTR_DEV_DIM, dim_setting); | |
306 | ||
307 | return rd_sendrecv_msg(rd, seq); | |
308 | } | |
309 | ||
310 | static int dev_set_dim_off(struct rd *rd) | |
311 | { | |
312 | return dev_set_dim_sendmsg(rd, 0); | |
313 | } | |
314 | ||
315 | static int dev_set_dim_on(struct rd *rd) | |
316 | { | |
317 | return dev_set_dim_sendmsg(rd, 1); | |
318 | } | |
319 | ||
320 | static int dev_set_dim(struct rd *rd) | |
321 | { | |
322 | const struct rd_cmd cmds[] = { | |
323 | { NULL, dev_help}, | |
324 | { "on", dev_set_dim_on}, | |
325 | { "off", dev_set_dim_off}, | |
326 | { 0 } | |
327 | }; | |
328 | ||
329 | return rd_exec_cmd(rd, cmds, "parameter"); | |
330 | } | |
331 | ||
4443c9c6 LR |
332 | static int dev_one_set(struct rd *rd) |
333 | { | |
334 | const struct rd_cmd cmds[] = { | |
335 | { NULL, dev_help}, | |
336 | { "name", dev_set_name}, | |
d17a0248 | 337 | { "netns", dev_set_netns}, |
8a56ef32 | 338 | { "adaptive-moderation", dev_set_dim}, |
4443c9c6 LR |
339 | { 0 } |
340 | }; | |
341 | ||
342 | return rd_exec_cmd(rd, cmds, "parameter"); | |
343 | } | |
344 | ||
40df8263 LR |
345 | static int dev_show(struct rd *rd) |
346 | { | |
8b92a2c9 | 347 | return rd_exec_dev(rd, dev_one_show); |
40df8263 LR |
348 | } |
349 | ||
4443c9c6 LR |
350 | static int dev_set(struct rd *rd) |
351 | { | |
352 | return rd_exec_require_dev(rd, dev_one_set); | |
353 | } | |
354 | ||
40df8263 LR |
355 | int cmd_dev(struct rd *rd) |
356 | { | |
357 | const struct rd_cmd cmds[] = { | |
358 | { NULL, dev_show }, | |
359 | { "show", dev_show }, | |
360 | { "list", dev_show }, | |
4443c9c6 | 361 | { "set", dev_set }, |
40df8263 LR |
362 | { "help", dev_help }, |
363 | { 0 } | |
364 | }; | |
365 | ||
366 | return rd_exec_cmd(rd, cmds, "dev command"); | |
367 | } |