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7#include "res.h"
8#include <inttypes.h>
9
10#define MAX_QP_STR_LEN 256
11
12static const char *srq_types_to_str(uint8_t idx)
13{
14 static const char *const srq_types_str[] = { "BASIC",
15 "XRC",
16 "TM" };
17
18 if (idx < ARRAY_SIZE(srq_types_str))
19 return srq_types_str[idx];
20 return "UNKNOWN";
21}
22
23static void print_type(uint32_t val)
24{
25 print_string(PRINT_ANY, "type", "type %s ", srq_types_to_str(val));
26}
27
28static void print_qps(char *qp_str)
29{
30 char *qpn;
31
32 if (!strlen(qp_str))
33 return;
34
35 open_json_array(PRINT_ANY, "lqpn");
36 print_string(PRINT_FP, NULL, " ", NULL);
37 qpn = strtok(qp_str, ",");
38 while (qpn) {
39 print_string(PRINT_ANY, NULL, "%s", qpn);
40 qpn = strtok(NULL, ",");
41 if (qpn)
42 print_string(PRINT_FP, NULL, ",", NULL);
43 }
44 print_string(PRINT_FP, NULL, " ", NULL);
45 close_json_array(PRINT_JSON, NULL);
46}
47
48static int filter_srq_range_qps(struct rd *rd, struct nlattr **qp_line,
49 uint32_t min_range, uint32_t max_range,
50 char **delimiter, char *qp_str)
51{
52 uint32_t qpn = 0, tmp_min_range = 0, tmp_max_range = 0;
53 char tmp[16] = {};
54
55 for (qpn = min_range; qpn <= max_range; qpn++) {
56 if (rd_is_filtered_attr(rd, "lqpn", qpn,
57 qp_line[RDMA_NLDEV_ATTR_MIN_RANGE])) {
58
59 if (!tmp_min_range)
60
61
62
63 continue;
64 if (!tmp_max_range)
65 snprintf(tmp, sizeof(tmp), "%s%d", *delimiter,
66 tmp_min_range);
67 else
68 snprintf(tmp, sizeof(tmp), "%s%d-%d",
69 *delimiter, tmp_min_range,
70 tmp_max_range);
71
72 strncat(qp_str, tmp,
73 MAX_QP_STR_LEN - strlen(qp_str) - 1);
74
75 memset(tmp, 0, strlen(tmp));
76 *delimiter = ",";
77 tmp_min_range = 0;
78 tmp_max_range = 0;
79 continue;
80 }
81 if (!tmp_min_range)
82 tmp_min_range = qpn;
83 else
84 tmp_max_range = qpn;
85 }
86
87 if (!tmp_min_range)
88 return 0;
89 if (!tmp_max_range)
90 snprintf(tmp, sizeof(tmp), "%s%d", *delimiter, tmp_min_range);
91 else
92 snprintf(tmp, sizeof(tmp), "%s%d-%d", *delimiter,
93 tmp_min_range, tmp_max_range);
94
95 strncat(qp_str, tmp, MAX_QP_STR_LEN - strlen(qp_str) - 1);
96 *delimiter = ",";
97 return 0;
98}
99
100static int get_srq_qps(struct rd *rd, struct nlattr *qp_table, char *qp_str)
101{
102 uint32_t qpn = 0, min_range = 0, max_range = 0;
103 struct nlattr *nla_entry;
104 struct filter_entry *fe;
105 char *delimiter = "";
106 char tmp[16] = {};
107
108 if (!qp_table)
109 return MNL_CB_ERROR;
110
111
112 if (!(mnl_attr_get_payload_len(qp_table))) {
113 list_for_each_entry(fe, &rd->filter_list, list) {
114 if (!strcmpx(fe->key, "lqpn"))
115
116
117
118 return -EINVAL;
119 }
120 return MNL_CB_OK;
121 }
122
123 mnl_attr_for_each_nested(nla_entry, qp_table) {
124 struct nlattr *qp_line[RDMA_NLDEV_ATTR_MAX] = {};
125
126 if (mnl_attr_parse_nested(nla_entry, rd_attr_cb, qp_line) !=
127 MNL_CB_OK)
128 goto out;
129
130 if (qp_line[RDMA_NLDEV_ATTR_RES_LQPN]) {
131 qpn = mnl_attr_get_u32(qp_line[RDMA_NLDEV_ATTR_RES_LQPN]);
132 if (rd_is_filtered_attr(rd, "lqpn", qpn,
133 qp_line[RDMA_NLDEV_ATTR_RES_LQPN]))
134 continue;
135 snprintf(tmp, sizeof(tmp), "%s%d", delimiter, qpn);
136 strncat(qp_str, tmp,
137 MAX_QP_STR_LEN - strlen(qp_str) - 1);
138 delimiter = ",";
139 } else if (qp_line[RDMA_NLDEV_ATTR_MIN_RANGE] &&
140 qp_line[RDMA_NLDEV_ATTR_MAX_RANGE]) {
141 min_range = mnl_attr_get_u32(qp_line[RDMA_NLDEV_ATTR_MIN_RANGE]);
142 max_range = mnl_attr_get_u32(qp_line[RDMA_NLDEV_ATTR_MAX_RANGE]);
143
144 if (filter_srq_range_qps(rd, qp_line, min_range,
145 max_range, &delimiter,
146 qp_str))
147 goto out;
148 } else {
149 goto out;
150 }
151 }
152
153 if (!strlen(qp_str))
154
155 goto out;
156
157 return MNL_CB_OK;
158
159out:
160 memset(qp_str, 0, strlen(qp_str));
161 return -EINVAL;
162}
163
164static int res_srq_line_raw(struct rd *rd, const char *name, int idx,
165 struct nlattr **nla_line)
166{
167 if (!nla_line[RDMA_NLDEV_ATTR_RES_RAW])
168 return MNL_CB_ERROR;
169
170 open_json_object(NULL);
171 print_dev(idx, name);
172 print_raw_data(rd, nla_line);
173 close_json_object();
174 newline();
175
176 return MNL_CB_OK;
177}
178
179static int res_srq_line(struct rd *rd, const char *name, int idx,
180 struct nlattr **nla_line)
181{
182 uint32_t srqn = 0, pid = 0, pdn = 0, cqn = 0;
183 char qp_str[MAX_QP_STR_LEN] = {};
184 char *comm = NULL;
185 uint8_t type = 0;
186 SPRINT_BUF(b);
187
188 if (!nla_line[RDMA_NLDEV_ATTR_RES_SRQN])
189 return MNL_CB_ERROR;
190
191 if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
192 pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
193 if (!get_task_name(pid, b, sizeof(b)))
194 comm = b;
195 } else if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) {
196
197 comm = (char *)mnl_attr_get_str(
198 nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
199 }
200
201 if (rd_is_filtered_attr(rd, "pid", pid,
202 nla_line[RDMA_NLDEV_ATTR_RES_PID]))
203 goto out;
204
205 if (nla_line[RDMA_NLDEV_ATTR_RES_SRQN])
206 srqn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_SRQN]);
207 if (rd_is_filtered_attr(rd, "srqn", srqn,
208 nla_line[RDMA_NLDEV_ATTR_RES_SRQN]))
209 goto out;
210
211 if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
212 type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
213 if (rd_is_string_filtered_attr(rd, "type", srq_types_to_str(type),
214 nla_line[RDMA_NLDEV_ATTR_RES_TYPE]))
215 goto out;
216
217 if (nla_line[RDMA_NLDEV_ATTR_RES_PDN])
218 pdn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
219 if (rd_is_filtered_attr(rd, "pdn", pdn,
220 nla_line[RDMA_NLDEV_ATTR_RES_PDN]))
221 goto out;
222
223 if (nla_line[RDMA_NLDEV_ATTR_RES_CQN])
224 cqn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
225 if (rd_is_filtered_attr(rd, "cqn", cqn,
226 nla_line[RDMA_NLDEV_ATTR_RES_CQN]))
227 goto out;
228
229 if (get_srq_qps(rd, nla_line[RDMA_NLDEV_ATTR_RES_QP], qp_str) !=
230 MNL_CB_OK)
231 goto out;
232
233 open_json_object(NULL);
234 print_dev(idx, name);
235 res_print_u32("srqn", srqn, nla_line[RDMA_NLDEV_ATTR_RES_SRQN]);
236 print_type(type);
237 print_qps(qp_str);
238 res_print_u32("pdn", pdn, nla_line[RDMA_NLDEV_ATTR_RES_PDN]);
239 res_print_u32("cqn", cqn, nla_line[RDMA_NLDEV_ATTR_RES_CQN]);
240 res_print_u32("pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
241 print_comm(comm, nla_line);
242
243 print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
244 close_json_object();
245 newline();
246
247out:
248 return MNL_CB_OK;
249}
250
251int res_srq_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
252{
253 struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
254 struct rd *rd = data;
255 const char *name;
256 uint32_t idx;
257
258 mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
259 if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME])
260 return MNL_CB_ERROR;
261
262 name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
263 idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
264
265 return (rd->show_raw) ? res_srq_line_raw(rd, name, idx, tb) :
266 res_srq_line(rd, name, idx, tb);
267}
268
269int res_srq_parse_cb(const struct nlmsghdr *nlh, void *data)
270{
271 struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
272 struct nlattr *nla_table, *nla_entry;
273 struct rd *rd = data;
274 int ret = MNL_CB_OK;
275 const char *name;
276 uint32_t idx;
277
278 mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
279 if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
280 !tb[RDMA_NLDEV_ATTR_RES_SRQ])
281 return MNL_CB_ERROR;
282
283 name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
284 idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
285 nla_table = tb[RDMA_NLDEV_ATTR_RES_SRQ];
286
287 mnl_attr_for_each_nested(nla_entry, nla_table) {
288 struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
289
290 ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
291 if (ret != MNL_CB_OK)
292 break;
293
294 ret = (rd->show_raw) ? res_srq_line_raw(rd, name, idx, nla_line) :
295 res_srq_line(rd, name, idx, nla_line);
296 if (ret != MNL_CB_OK)
297 break;
298 }
299 return ret;
300}
301