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rdma: Rewrite custom JSON and prints logic to use common API
[mirror_iproute2.git] / rdma / res-cmid.c
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1// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
2/*
3 * res-cmid.c RDMA tool
4 * Authors: Leon Romanovsky <leonro@mellanox.com>
5 */
6
7#include "res.h"
8#include <inttypes.h>
9
10static void print_qp_type(struct rd *rd, uint32_t val)
11{
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12 print_color_string(PRINT_ANY, COLOR_NONE, "qp-type", "qp-type %s ",
13 qp_types_to_str(val));
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14}
15
16static const char *cm_id_state_to_str(uint8_t idx)
17{
18 static const char *const cm_id_states_str[] = {
19 "IDLE", "ADDR_QUERY", "ADDR_RESOLVED",
20 "ROUTE_QUERY", "ROUTE_RESOLVED", "CONNECT",
21 "DISCONNECT", "ADDR_BOUND", "LISTEN",
22 "DEVICE_REMOVAL", "DESTROYING"
23 };
24
25 if (idx < ARRAY_SIZE(cm_id_states_str))
26 return cm_id_states_str[idx];
27 return "UNKNOWN";
28}
29
30static const char *cm_id_ps_to_str(uint32_t ps)
31{
32 switch (ps) {
33 case RDMA_PS_IPOIB:
34 return "IPoIB";
35 case RDMA_PS_IB:
36 return "IPoIB";
37 case RDMA_PS_TCP:
38 return "TCP";
39 case RDMA_PS_UDP:
40 return "UDP";
41 default:
42 return "---";
43 }
44}
45
46static void print_cm_id_state(struct rd *rd, uint8_t state)
47{
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48 print_color_string(PRINT_ANY, COLOR_NONE, "state", "state %s ",
49 cm_id_state_to_str(state));
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50}
51
52static void print_ps(struct rd *rd, uint32_t ps)
53{
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54 print_color_string(PRINT_ANY, COLOR_NONE, "ps", "ps %s ",
55 cm_id_ps_to_str(ps));
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56}
57
58static void print_ipaddr(struct rd *rd, const char *key, char *addrstr,
59 uint16_t port)
60{
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61 int name_size = INET6_ADDRSTRLEN + strlen(":65535");
62 char json_name[name_size];
438fac3a 63
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64 snprintf(json_name, name_size, "%s:%u", addrstr, port);
65 print_color_string(PRINT_ANY, COLOR_NONE, key, key, json_name);
66 print_color_string(PRINT_FP, COLOR_NONE, NULL, " %s:", addrstr);
67 print_color_uint(PRINT_FP, COLOR_NONE, NULL, "%u ", port);
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68}
69
70static int ss_ntop(struct nlattr *nla_line, char *addr_str, uint16_t *port)
71{
72 struct __kernel_sockaddr_storage *addr;
73
74 addr = (struct __kernel_sockaddr_storage *)mnl_attr_get_payload(
75 nla_line);
76 switch (addr->ss_family) {
77 case AF_INET: {
78 struct sockaddr_in *sin = (struct sockaddr_in *)addr;
79
80 if (!inet_ntop(AF_INET, (const void *)&sin->sin_addr, addr_str,
81 INET6_ADDRSTRLEN))
82 return -EINVAL;
83 *port = ntohs(sin->sin_port);
84 break;
85 }
86 case AF_INET6: {
87 struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr;
88
89 if (!inet_ntop(AF_INET6, (const void *)&sin6->sin6_addr,
90 addr_str, INET6_ADDRSTRLEN))
91 return -EINVAL;
92 *port = ntohs(sin6->sin6_port);
93 break;
94 }
95 default:
96 return -EINVAL;
97 }
98 return 0;
99}
7d06b31f 100static int res_cm_id_line(struct rd *rd, const char *name, int idx,
5a823593 101 struct nlattr **nla_line)
7d06b31f 102{
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103 char src_addr_str[INET6_ADDRSTRLEN];
104 char dst_addr_str[INET6_ADDRSTRLEN];
105 uint16_t src_port, dst_port;
106 uint32_t port = 0, pid = 0;
107 uint8_t type = 0, state;
108 uint32_t lqpn = 0, ps;
109 uint32_t cm_idn = 0;
110 char *comm = NULL;
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111
112 if (!nla_line[RDMA_NLDEV_ATTR_RES_STATE] ||
f9313484 113 !nla_line[RDMA_NLDEV_ATTR_RES_PS])
7d06b31f 114 return MNL_CB_ERROR;
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115
116 if (nla_line[RDMA_NLDEV_ATTR_PORT_INDEX])
117 port = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_PORT_INDEX]);
118
119 if (port && port != rd->port_idx)
120 goto out;
121
78728b7e 122 if (nla_line[RDMA_NLDEV_ATTR_RES_LQPN])
7d06b31f 123 lqpn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
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124
125 if (rd_is_filtered_attr(rd, "lqpn", lqpn,
126 nla_line[RDMA_NLDEV_ATTR_RES_LQPN]))
127 goto out;
128
129 if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
7d06b31f 130 type = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_TYPE]);
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131 if (rd_is_string_filtered_attr(rd, "qp-type", qp_types_to_str(type),
132 nla_line[RDMA_NLDEV_ATTR_RES_TYPE]))
133 goto out;
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134
135 ps = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PS]);
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136 if (rd_is_string_filtered_attr(rd, "ps", cm_id_ps_to_str(ps),
137 nla_line[RDMA_NLDEV_ATTR_RES_PS]))
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138 goto out;
139
140 state = mnl_attr_get_u8(nla_line[RDMA_NLDEV_ATTR_RES_STATE]);
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141 if (rd_is_string_filtered_attr(rd, "state", cm_id_state_to_str(state),
142 nla_line[RDMA_NLDEV_ATTR_RES_STATE]))
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143 goto out;
144
78728b7e 145 if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
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146 if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR],
147 src_addr_str, &src_port))
148 goto out;
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149 if (rd_is_string_filtered_attr(rd, "src-addr", src_addr_str,
150 nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]))
151 goto out;
152 if (rd_is_filtered_attr(rd, "src-port", src_port,
153 nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR]))
154 goto out;
7d06b31f 155
78728b7e 156 if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
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157 if (ss_ntop(nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR],
158 dst_addr_str, &dst_port))
159 goto out;
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160 if (rd_is_string_filtered_attr(rd, "dst-addr", dst_addr_str,
161 nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]))
162 goto out;
163 if (rd_is_filtered_attr(rd, "dst-port", dst_port,
164 nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR]))
165 goto out;
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166
167 if (nla_line[RDMA_NLDEV_ATTR_RES_PID]) {
168 pid = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_PID]);
169 comm = get_task_name(pid);
170 }
171
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172 if (rd_is_filtered_attr(rd, "pid", pid,
173 nla_line[RDMA_NLDEV_ATTR_RES_PID]))
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174 goto out;
175
176 if (nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN])
177 cm_idn = mnl_attr_get_u32(nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]);
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178 if (rd_is_filtered_attr(rd, "cm-idn", cm_idn,
179 nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]))
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180 goto out;
181
182 if (nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]) {
183 /* discard const from mnl_attr_get_str */
184 comm = (char *)mnl_attr_get_str(
185 nla_line[RDMA_NLDEV_ATTR_RES_KERN_NAME]);
186 }
187
b0a688a5 188 open_json_object(NULL);
7d06b31f 189 print_link(rd, idx, name, port, nla_line);
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190 res_print_uint(rd, "cm-idn", cm_idn,
191 nla_line[RDMA_NLDEV_ATTR_RES_CM_IDN]);
192 res_print_uint(rd, "lqpn", lqpn, nla_line[RDMA_NLDEV_ATTR_RES_LQPN]);
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193 if (nla_line[RDMA_NLDEV_ATTR_RES_TYPE])
194 print_qp_type(rd, type);
195 print_cm_id_state(rd, state);
196 print_ps(rd, ps);
127ff956 197 res_print_uint(rd, "pid", pid, nla_line[RDMA_NLDEV_ATTR_RES_PID]);
7d06b31f 198 print_comm(rd, comm, nla_line);
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199
200 if (nla_line[RDMA_NLDEV_ATTR_RES_SRC_ADDR])
201 print_ipaddr(rd, "src-addr", src_addr_str, src_port);
202 if (nla_line[RDMA_NLDEV_ATTR_RES_DST_ADDR])
203 print_ipaddr(rd, "dst-addr", dst_addr_str, dst_port);
204
205 print_driver_table(rd, nla_line[RDMA_NLDEV_ATTR_DRIVER]);
206 newline(rd);
207
208out: if (nla_line[RDMA_NLDEV_ATTR_RES_PID])
209 free(comm);
210 return MNL_CB_OK;
211}
212
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213int res_cm_id_idx_parse_cb(const struct nlmsghdr *nlh, void *data)
214{
215 struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
216 struct rd *rd = data;
217 const char *name;
218 int idx;
219
220 mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
221 if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME])
222 return MNL_CB_ERROR;
223
224 name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
225 idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
226
227 return res_cm_id_line(rd, name, idx, tb);
228}
229
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230int res_cm_id_parse_cb(const struct nlmsghdr *nlh, void *data)
231{
232 struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {};
233 struct nlattr *nla_table, *nla_entry;
234 struct rd *rd = data;
7d06b31f 235 int ret = MNL_CB_OK;
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236 const char *name;
237 int idx;
238
239 mnl_attr_parse(nlh, 0, rd_attr_cb, tb);
240 if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
241 !tb[RDMA_NLDEV_ATTR_RES_CM_ID])
242 return MNL_CB_ERROR;
243
244 name = mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]);
245 idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
246 nla_table = tb[RDMA_NLDEV_ATTR_RES_CM_ID];
7d06b31f 247
438fac3a 248 mnl_attr_for_each_nested(nla_entry, nla_table) {
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249 struct nlattr *nla_line[RDMA_NLDEV_ATTR_MAX] = {};
250
251 ret = mnl_attr_parse_nested(nla_entry, rd_attr_cb, nla_line);
252 if (ret != MNL_CB_OK)
253 break;
438fac3a 254
5a823593 255 ret = res_cm_id_line(rd, name, idx, nla_line);
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256 if (ret != MNL_CB_OK)
257 break;
438fac3a 258 }
7d06b31f 259 return ret;
438fac3a 260}