Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 1 | /* |
| 2 | * link.c RDMA tool |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version |
| 7 | * 2 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * Authors: Leon Romanovsky <leonro@mellanox.com> |
| 10 | */ |
| 11 | |
| 12 | #include "rdma.h" |
| 13 | |
| 14 | static int link_help(struct rd *rd) |
| 15 | { |
| 16 | pr_out("Usage: %s link show [DEV/PORT_INDEX]\n", rd->filename); |
| 17 | return 0; |
| 18 | } |
| 19 | |
| 20 | static const char *caps_to_str(uint32_t idx) |
| 21 | { |
| 22 | #define RDMA_PORT_FLAGS(x) \ |
| 23 | x(SM, 1) \ |
| 24 | x(NOTICE, 2) \ |
| 25 | x(TRAP, 3) \ |
| 26 | x(OPT_IPD, 4) \ |
| 27 | x(AUTO_MIGR, 5) \ |
| 28 | x(SL_MAP, 6) \ |
| 29 | x(MKEY_NVRAM, 7) \ |
| 30 | x(PKEY_NVRAM, 8) \ |
| 31 | x(LED_INFO, 9) \ |
| 32 | x(SM_DISABLED, 10) \ |
| 33 | x(SYS_IMAGE_GUIG, 11) \ |
| 34 | x(PKEY_SW_EXT_PORT_TRAP, 12) \ |
| 35 | x(EXTENDED_SPEEDS, 14) \ |
| 36 | x(CM, 16) \ |
| 37 | x(SNMP_TUNNEL, 17) \ |
| 38 | x(REINIT, 18) \ |
| 39 | x(DEVICE_MGMT, 19) \ |
| 40 | x(VENDOR_CLASS, 20) \ |
| 41 | x(DR_NOTICE, 21) \ |
| 42 | x(CAP_MASK_NOTICE, 22) \ |
| 43 | x(BOOT_MGMT, 23) \ |
| 44 | x(LINK_LATENCY, 24) \ |
| 45 | x(CLIENT_REG, 23) \ |
| 46 | x(IP_BASED_GIDS, 26) |
| 47 | |
| 48 | enum { RDMA_PORT_FLAGS(RDMA_BITMAP_ENUM) }; |
| 49 | |
| 50 | static const char * const |
| 51 | rdma_port_names[] = { RDMA_PORT_FLAGS(RDMA_BITMAP_NAMES) }; |
| 52 | #undef RDMA_PORT_FLAGS |
| 53 | |
| 54 | if (idx < ARRAY_SIZE(rdma_port_names) && rdma_port_names[idx]) |
| 55 | return rdma_port_names[idx]; |
| 56 | return "UNKNOWN"; |
| 57 | } |
| 58 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 59 | static void link_print_caps(struct rd *rd, struct nlattr **tb) |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 60 | { |
| 61 | uint64_t caps; |
| 62 | uint32_t idx; |
| 63 | |
| 64 | if (!tb[RDMA_NLDEV_ATTR_CAP_FLAGS]) |
| 65 | return; |
| 66 | |
| 67 | caps = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_CAP_FLAGS]); |
| 68 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 69 | if (rd->json_output) { |
| 70 | jsonw_name(rd->jw, "caps"); |
| 71 | jsonw_start_array(rd->jw); |
| 72 | } else { |
| 73 | pr_out("\n caps: <"); |
| 74 | } |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 75 | for (idx = 0; caps; idx++) { |
| 76 | if (caps & 0x1) { |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 77 | if (rd->json_output) { |
| 78 | jsonw_string(rd->jw, caps_to_str(idx)); |
| 79 | } else { |
| 80 | pr_out("%s", caps_to_str(idx)); |
| 81 | if (caps >> 0x1) |
| 82 | pr_out(", "); |
| 83 | } |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 84 | } |
| 85 | caps >>= 0x1; |
| 86 | } |
| 87 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 88 | if (rd->json_output) |
| 89 | jsonw_end_array(rd->jw); |
| 90 | else |
| 91 | pr_out(">"); |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 92 | } |
| 93 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 94 | static void link_print_subnet_prefix(struct rd *rd, struct nlattr **tb) |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 95 | { |
| 96 | uint64_t subnet_prefix; |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 97 | uint16_t vp[4]; |
| 98 | char str[32]; |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 99 | |
| 100 | if (!tb[RDMA_NLDEV_ATTR_SUBNET_PREFIX]) |
| 101 | return; |
| 102 | |
| 103 | subnet_prefix = mnl_attr_get_u64(tb[RDMA_NLDEV_ATTR_SUBNET_PREFIX]); |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 104 | memcpy(vp, &subnet_prefix, sizeof(uint64_t)); |
| 105 | snprintf(str, 32, "%04x:%04x:%04x:%04x", vp[3], vp[2], vp[1], vp[0]); |
| 106 | if (rd->json_output) |
| 107 | jsonw_string_field(rd->jw, "subnet_prefix", str); |
| 108 | else |
| 109 | pr_out("subnet_prefix %s ", str); |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 110 | } |
| 111 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 112 | static void link_print_lid(struct rd *rd, struct nlattr **tb) |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 113 | { |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 114 | uint32_t lid; |
| 115 | |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 116 | if (!tb[RDMA_NLDEV_ATTR_LID]) |
| 117 | return; |
| 118 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 119 | lid = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_LID]); |
| 120 | if (rd->json_output) |
| 121 | jsonw_uint_field(rd->jw, "lid", lid); |
| 122 | else |
| 123 | pr_out("lid %u ", lid); |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 124 | } |
| 125 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 126 | static void link_print_sm_lid(struct rd *rd, struct nlattr **tb) |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 127 | { |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 128 | uint32_t sm_lid; |
| 129 | |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 130 | if (!tb[RDMA_NLDEV_ATTR_SM_LID]) |
| 131 | return; |
| 132 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 133 | sm_lid = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_SM_LID]); |
| 134 | if (rd->json_output) |
| 135 | jsonw_uint_field(rd->jw, "sm_lid", sm_lid); |
| 136 | else |
| 137 | pr_out("sm_lid %u ", sm_lid); |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 138 | } |
| 139 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 140 | static void link_print_lmc(struct rd *rd, struct nlattr **tb) |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 141 | { |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 142 | uint8_t lmc; |
| 143 | |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 144 | if (!tb[RDMA_NLDEV_ATTR_LMC]) |
| 145 | return; |
| 146 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 147 | lmc = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_LMC]); |
| 148 | if (rd->json_output) |
| 149 | jsonw_uint_field(rd->jw, "lmc", lmc); |
| 150 | else |
| 151 | pr_out("lmc %u ", lmc); |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | static const char *link_state_to_str(uint8_t link_state) |
| 155 | { |
| 156 | static const char * const link_state_str[] = { "NOP", "DOWN", |
| 157 | "INIT", "ARMED", |
| 158 | "ACTIVE", |
| 159 | "ACTIVE_DEFER" }; |
| 160 | if (link_state < ARRAY_SIZE(link_state_str)) |
| 161 | return link_state_str[link_state]; |
| 162 | return "UNKNOWN"; |
| 163 | } |
| 164 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 165 | static void link_print_state(struct rd *rd, struct nlattr **tb) |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 166 | { |
| 167 | uint8_t state; |
| 168 | |
| 169 | if (!tb[RDMA_NLDEV_ATTR_PORT_STATE]) |
| 170 | return; |
| 171 | |
| 172 | state = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_PORT_STATE]); |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 173 | if (rd->json_output) |
| 174 | jsonw_string_field(rd->jw, "state", link_state_to_str(state)); |
| 175 | else |
| 176 | pr_out("state %s ", link_state_to_str(state)); |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | static const char *phys_state_to_str(uint8_t phys_state) |
| 180 | { |
| 181 | static const char * const phys_state_str[] = { "NOP", "SLEEP", |
| 182 | "POLLING", "DISABLED", |
| 183 | "ARMED", "LINK_UP", |
| 184 | "LINK_ERROR_RECOVER", |
| 185 | "PHY_TEST", "UNKNOWN", |
| 186 | "OPA_OFFLINE", |
| 187 | "UNKNOWN", "OPA_TEST" }; |
| 188 | if (phys_state < ARRAY_SIZE(phys_state_str)) |
| 189 | return phys_state_str[phys_state]; |
| 190 | return "UNKNOWN"; |
| 191 | }; |
| 192 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 193 | static void link_print_phys_state(struct rd *rd, struct nlattr **tb) |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 194 | { |
| 195 | uint8_t phys_state; |
| 196 | |
| 197 | if (!tb[RDMA_NLDEV_ATTR_PORT_PHYS_STATE]) |
| 198 | return; |
| 199 | |
| 200 | phys_state = mnl_attr_get_u8(tb[RDMA_NLDEV_ATTR_PORT_PHYS_STATE]); |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 201 | if (rd->json_output) |
| 202 | jsonw_string_field(rd->jw, "physical_state", |
| 203 | phys_state_to_str(phys_state)); |
| 204 | else |
| 205 | pr_out("physical_state %s ", phys_state_to_str(phys_state)); |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | static int link_parse_cb(const struct nlmsghdr *nlh, void *data) |
| 209 | { |
| 210 | struct nlattr *tb[RDMA_NLDEV_ATTR_MAX] = {}; |
| 211 | struct rd *rd = data; |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 212 | uint32_t port, idx; |
| 213 | char name[32]; |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 214 | |
| 215 | mnl_attr_parse(nlh, 0, rd_attr_cb, tb); |
| 216 | if (!tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !tb[RDMA_NLDEV_ATTR_DEV_NAME]) |
| 217 | return MNL_CB_ERROR; |
| 218 | |
| 219 | if (!tb[RDMA_NLDEV_ATTR_PORT_INDEX]) { |
| 220 | pr_err("This tool doesn't support switches yet\n"); |
| 221 | return MNL_CB_ERROR; |
| 222 | } |
| 223 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 224 | idx = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); |
| 225 | port = mnl_attr_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]); |
| 226 | snprintf(name, 32, "%s/%u", |
| 227 | mnl_attr_get_str(tb[RDMA_NLDEV_ATTR_DEV_NAME]), port); |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 228 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 229 | if (rd->json_output) { |
| 230 | jsonw_uint_field(rd->jw, "ifindex", idx); |
| 231 | jsonw_uint_field(rd->jw, "port", port); |
| 232 | jsonw_string_field(rd->jw, "ifname", name); |
| 233 | |
| 234 | } else { |
| 235 | pr_out("%u/%u: %s: ", idx, port, name); |
| 236 | } |
| 237 | |
| 238 | link_print_subnet_prefix(rd, tb); |
| 239 | link_print_lid(rd, tb); |
| 240 | link_print_sm_lid(rd, tb); |
| 241 | link_print_lmc(rd, tb); |
| 242 | link_print_state(rd, tb); |
| 243 | link_print_phys_state(rd, tb); |
| 244 | if (rd->show_details) |
| 245 | link_print_caps(rd, tb); |
| 246 | |
| 247 | if (!rd->json_output) |
| 248 | pr_out("\n"); |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 249 | return MNL_CB_OK; |
| 250 | } |
| 251 | |
| 252 | static int link_no_args(struct rd *rd) |
| 253 | { |
| 254 | uint32_t seq; |
| 255 | int ret; |
| 256 | |
| 257 | rd_prepare_msg(rd, RDMA_NLDEV_CMD_PORT_GET, &seq, |
| 258 | (NLM_F_REQUEST | NLM_F_ACK)); |
| 259 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_DEV_INDEX, rd->dev_idx); |
| 260 | mnl_attr_put_u32(rd->nlh, RDMA_NLDEV_ATTR_PORT_INDEX, rd->port_idx); |
| 261 | ret = rd_send_msg(rd); |
| 262 | if (ret) |
| 263 | return ret; |
| 264 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 265 | if (rd->json_output) |
| 266 | jsonw_start_object(rd->jw); |
| 267 | ret = rd_recv_msg(rd, link_parse_cb, rd, seq); |
| 268 | if (rd->json_output) |
| 269 | jsonw_end_object(rd->jw); |
| 270 | return ret; |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 271 | } |
| 272 | |
| 273 | static int link_one_show(struct rd *rd) |
| 274 | { |
| 275 | const struct rd_cmd cmds[] = { |
| 276 | { NULL, link_no_args}, |
| 277 | { 0 } |
| 278 | }; |
| 279 | |
| 280 | return rd_exec_cmd(rd, cmds, "parameter"); |
| 281 | } |
| 282 | |
| 283 | static int link_show(struct rd *rd) |
| 284 | { |
| 285 | struct dev_map *dev_map; |
| 286 | uint32_t port; |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 287 | int ret = 0; |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 288 | |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 289 | if (rd->json_output) |
| 290 | jsonw_start_array(rd->jw); |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 291 | if (rd_no_arg(rd)) { |
| 292 | list_for_each_entry(dev_map, &rd->dev_map_list, list) { |
| 293 | rd->dev_idx = dev_map->idx; |
| 294 | for (port = 1; port < dev_map->num_ports + 1; port++) { |
| 295 | rd->port_idx = port; |
| 296 | ret = link_one_show(rd); |
| 297 | if (ret) |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 298 | goto out; |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 299 | } |
| 300 | } |
| 301 | |
| 302 | } else { |
| 303 | dev_map = dev_map_lookup(rd, true); |
| 304 | port = get_port_from_argv(rd); |
| 305 | if (!dev_map || port > dev_map->num_ports) { |
| 306 | pr_err("Wrong device name\n"); |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 307 | ret = -ENOENT; |
| 308 | goto out; |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 309 | } |
| 310 | rd_arg_inc(rd); |
| 311 | rd->dev_idx = dev_map->idx; |
| 312 | rd->port_idx = port ? : 1; |
| 313 | for (; rd->port_idx < dev_map->num_ports + 1; rd->port_idx++) { |
| 314 | ret = link_one_show(rd); |
| 315 | if (ret) |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 316 | goto out; |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 317 | if (port) |
| 318 | /* |
| 319 | * We got request to show link for devname |
| 320 | * with port index. |
| 321 | */ |
| 322 | break; |
| 323 | } |
| 324 | } |
Leon Romanovsky | 7fc7574 | 2017-08-20 12:58:27 +0300 | [diff] [blame] | 325 | |
| 326 | out: |
| 327 | if (rd->json_output) |
| 328 | jsonw_end_array(rd->jw); |
| 329 | return ret; |
Leon Romanovsky | da990ab | 2017-08-20 12:58:24 +0300 | [diff] [blame] | 330 | } |
| 331 | |
| 332 | int cmd_link(struct rd *rd) |
| 333 | { |
| 334 | const struct rd_cmd cmds[] = { |
| 335 | { NULL, link_show }, |
| 336 | { "show", link_show }, |
| 337 | { "list", link_show }, |
| 338 | { "help", link_help }, |
| 339 | { 0 } |
| 340 | }; |
| 341 | |
| 342 | return rd_exec_cmd(rd, cmds, "link command"); |
| 343 | } |