1 /* 2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #include <linux/mlx5/cmd.h> 34 #include <linux/mlx5/vport.h> 35 #include <rdma/ib_mad.h> 36 #include <rdma/ib_smi.h> 37 #include <rdma/ib_pma.h> 38 #include "mlx5_ib.h" 39 #include "cmd.h" 40 41 enum { 42 MLX5_IB_VENDOR_CLASS1 = 0x9, 43 MLX5_IB_VENDOR_CLASS2 = 0xa 44 }; 45 46 static bool can_do_mad_ifc(struct mlx5_ib_dev *dev, u8 port_num, 47 struct ib_mad *in_mad) 48 { 49 if (in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_LID_ROUTED && 50 in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 51 return true; 52 return dev->mdev->port_caps[port_num - 1].has_smi; 53 } 54 55 static int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey, 56 int ignore_bkey, u8 port, const struct ib_wc *in_wc, 57 const struct ib_grh *in_grh, const void *in_mad, 58 void *response_mad) 59 { 60 u8 op_modifier = 0; 61 62 if (!can_do_mad_ifc(dev, port, (struct ib_mad *)in_mad)) 63 return -EPERM; 64 65 /* Key check traps can't be generated unless we have in_wc to 66 * tell us where to send the trap. 67 */ 68 if (ignore_mkey || !in_wc) 69 op_modifier |= 0x1; 70 if (ignore_bkey || !in_wc) 71 op_modifier |= 0x2; 72 73 return mlx5_cmd_mad_ifc(dev->mdev, in_mad, response_mad, op_modifier, 74 port); 75 } 76 77 static void pma_cnt_ext_assign(struct ib_pma_portcounters_ext *pma_cnt_ext, 78 void *out) 79 { 80 #define MLX5_SUM_CNT(p, cntr1, cntr2) \ 81 (MLX5_GET64(query_vport_counter_out, p, cntr1) + \ 82 MLX5_GET64(query_vport_counter_out, p, cntr2)) 83 84 pma_cnt_ext->port_xmit_data = 85 cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.octets, 86 transmitted_ib_multicast.octets) >> 2); 87 pma_cnt_ext->port_rcv_data = 88 cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.octets, 89 received_ib_multicast.octets) >> 2); 90 pma_cnt_ext->port_xmit_packets = 91 cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.packets, 92 transmitted_ib_multicast.packets)); 93 pma_cnt_ext->port_rcv_packets = 94 cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.packets, 95 received_ib_multicast.packets)); 96 pma_cnt_ext->port_unicast_xmit_packets = 97 MLX5_GET64_BE(query_vport_counter_out, 98 out, transmitted_ib_unicast.packets); 99 pma_cnt_ext->port_unicast_rcv_packets = 100 MLX5_GET64_BE(query_vport_counter_out, 101 out, received_ib_unicast.packets); 102 pma_cnt_ext->port_multicast_xmit_packets = 103 MLX5_GET64_BE(query_vport_counter_out, 104 out, transmitted_ib_multicast.packets); 105 pma_cnt_ext->port_multicast_rcv_packets = 106 MLX5_GET64_BE(query_vport_counter_out, 107 out, received_ib_multicast.packets); 108 } 109 110 static void pma_cnt_assign(struct ib_pma_portcounters *pma_cnt, 111 void *out) 112 { 113 /* Traffic counters will be reported in 114 * their 64bit form via ib_pma_portcounters_ext by default. 115 */ 116 void *out_pma = MLX5_ADDR_OF(ppcnt_reg, out, 117 counter_set); 118 119 #define MLX5_ASSIGN_PMA_CNTR(counter_var, counter_name) { \ 120 counter_var = MLX5_GET_BE(typeof(counter_var), \ 121 ib_port_cntrs_grp_data_layout, \ 122 out_pma, counter_name); \ 123 } 124 125 MLX5_ASSIGN_PMA_CNTR(pma_cnt->symbol_error_counter, 126 symbol_error_counter); 127 MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_error_recovery_counter, 128 link_error_recovery_counter); 129 MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_downed_counter, 130 link_downed_counter); 131 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_errors, 132 port_rcv_errors); 133 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_remphys_errors, 134 port_rcv_remote_physical_errors); 135 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_switch_relay_errors, 136 port_rcv_switch_relay_errors); 137 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_discards, 138 port_xmit_discards); 139 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_constraint_errors, 140 port_xmit_constraint_errors); 141 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_wait, 142 port_xmit_wait); 143 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_constraint_errors, 144 port_rcv_constraint_errors); 145 MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_overrun_errors, 146 link_overrun_errors); 147 MLX5_ASSIGN_PMA_CNTR(pma_cnt->vl15_dropped, 148 vl_15_dropped); 149 } 150 151 static int process_pma_cmd(struct mlx5_ib_dev *dev, u8 port_num, 152 const struct ib_mad *in_mad, struct ib_mad *out_mad) 153 { 154 struct mlx5_core_dev *mdev; 155 bool native_port = true; 156 u8 mdev_port_num; 157 void *out_cnt; 158 int err; 159 160 mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); 161 if (!mdev) { 162 /* Fail to get the native port, likely due to 2nd port is still 163 * unaffiliated. In such case default to 1st port and attached 164 * PF device. 165 */ 166 native_port = false; 167 mdev = dev->mdev; 168 mdev_port_num = 1; 169 } 170 /* Declaring support of extended counters */ 171 if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO) { 172 struct ib_class_port_info cpi = {}; 173 174 cpi.capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH; 175 memcpy((out_mad->data + 40), &cpi, sizeof(cpi)); 176 err = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; 177 goto done; 178 } 179 180 if (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT) { 181 struct ib_pma_portcounters_ext *pma_cnt_ext = 182 (struct ib_pma_portcounters_ext *)(out_mad->data + 40); 183 int sz = MLX5_ST_SZ_BYTES(query_vport_counter_out); 184 185 out_cnt = kvzalloc(sz, GFP_KERNEL); 186 if (!out_cnt) { 187 err = IB_MAD_RESULT_FAILURE; 188 goto done; 189 } 190 191 err = mlx5_core_query_vport_counter(mdev, 0, 0, 192 mdev_port_num, out_cnt, sz); 193 if (!err) 194 pma_cnt_ext_assign(pma_cnt_ext, out_cnt); 195 } else { 196 struct ib_pma_portcounters *pma_cnt = 197 (struct ib_pma_portcounters *)(out_mad->data + 40); 198 int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); 199 200 out_cnt = kvzalloc(sz, GFP_KERNEL); 201 if (!out_cnt) { 202 err = IB_MAD_RESULT_FAILURE; 203 goto done; 204 } 205 206 err = mlx5_core_query_ib_ppcnt(mdev, mdev_port_num, 207 out_cnt, sz); 208 if (!err) 209 pma_cnt_assign(pma_cnt, out_cnt); 210 } 211 kvfree(out_cnt); 212 err = err ? IB_MAD_RESULT_FAILURE : 213 IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; 214 done: 215 if (native_port) 216 mlx5_ib_put_native_port_mdev(dev, port_num); 217 return err; 218 } 219 220 int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 221 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 222 const struct ib_mad *in, struct ib_mad *out, 223 size_t *out_mad_size, u16 *out_mad_pkey_index) 224 { 225 struct mlx5_ib_dev *dev = to_mdev(ibdev); 226 u8 mgmt_class = in->mad_hdr.mgmt_class; 227 u8 method = in->mad_hdr.method; 228 u16 slid; 229 int err; 230 231 slid = in_wc ? ib_lid_cpu16(in_wc->slid) : 232 be16_to_cpu(IB_LID_PERMISSIVE); 233 234 if (method == IB_MGMT_METHOD_TRAP && !slid) 235 return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; 236 237 switch (mgmt_class) { 238 case IB_MGMT_CLASS_SUBN_LID_ROUTED: 239 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: { 240 if (method != IB_MGMT_METHOD_GET && 241 method != IB_MGMT_METHOD_SET && 242 method != IB_MGMT_METHOD_TRAP_REPRESS) 243 return IB_MAD_RESULT_SUCCESS; 244 245 /* Don't process SMInfo queries -- the SMA can't handle them. 246 */ 247 if (in->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO) 248 return IB_MAD_RESULT_SUCCESS; 249 } break; 250 case IB_MGMT_CLASS_PERF_MGMT: 251 if (MLX5_CAP_GEN(dev->mdev, vport_counters) && 252 method == IB_MGMT_METHOD_GET) 253 return process_pma_cmd(dev, port_num, in, out); 254 /* fallthrough */ 255 case MLX5_IB_VENDOR_CLASS1: 256 /* fallthrough */ 257 case MLX5_IB_VENDOR_CLASS2: 258 case IB_MGMT_CLASS_CONG_MGMT: { 259 if (method != IB_MGMT_METHOD_GET && 260 method != IB_MGMT_METHOD_SET) 261 return IB_MAD_RESULT_SUCCESS; 262 } break; 263 default: 264 return IB_MAD_RESULT_SUCCESS; 265 } 266 267 err = mlx5_MAD_IFC(to_mdev(ibdev), mad_flags & IB_MAD_IGNORE_MKEY, 268 mad_flags & IB_MAD_IGNORE_BKEY, port_num, in_wc, 269 in_grh, in, out); 270 if (err) 271 return IB_MAD_RESULT_FAILURE; 272 273 /* set return bit in status of directed route responses */ 274 if (mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 275 out->mad_hdr.status |= cpu_to_be16(1 << 15); 276 277 if (method == IB_MGMT_METHOD_TRAP_REPRESS) 278 /* no response for trap repress */ 279 return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; 280 281 return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; 282 } 283 284 int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port) 285 { 286 struct ib_smp *in_mad = NULL; 287 struct ib_smp *out_mad = NULL; 288 int err = -ENOMEM; 289 u16 packet_error; 290 291 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 292 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 293 if (!in_mad || !out_mad) 294 goto out; 295 296 init_query_mad(in_mad); 297 in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO; 298 in_mad->attr_mod = cpu_to_be32(port); 299 300 err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); 301 302 packet_error = be16_to_cpu(out_mad->status); 303 304 dev->mdev->port_caps[port - 1].ext_port_cap = (!err && !packet_error) ? 305 MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO : 0; 306 307 out: 308 kfree(in_mad); 309 kfree(out_mad); 310 return err; 311 } 312 313 int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev, 314 struct ib_smp *out_mad) 315 { 316 struct ib_smp *in_mad = NULL; 317 int err = -ENOMEM; 318 319 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 320 if (!in_mad) 321 return -ENOMEM; 322 323 init_query_mad(in_mad); 324 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; 325 326 err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad, 327 out_mad); 328 329 kfree(in_mad); 330 return err; 331 } 332 333 int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev, 334 __be64 *sys_image_guid) 335 { 336 struct ib_smp *out_mad = NULL; 337 int err = -ENOMEM; 338 339 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 340 if (!out_mad) 341 return -ENOMEM; 342 343 err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); 344 if (err) 345 goto out; 346 347 memcpy(sys_image_guid, out_mad->data + 4, 8); 348 349 out: 350 kfree(out_mad); 351 352 return err; 353 } 354 355 int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev, 356 u16 *max_pkeys) 357 { 358 struct ib_smp *out_mad = NULL; 359 int err = -ENOMEM; 360 361 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 362 if (!out_mad) 363 return -ENOMEM; 364 365 err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); 366 if (err) 367 goto out; 368 369 *max_pkeys = be16_to_cpup((__be16 *)(out_mad->data + 28)); 370 371 out: 372 kfree(out_mad); 373 374 return err; 375 } 376 377 int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev, 378 u32 *vendor_id) 379 { 380 struct ib_smp *out_mad = NULL; 381 int err = -ENOMEM; 382 383 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 384 if (!out_mad) 385 return -ENOMEM; 386 387 err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); 388 if (err) 389 goto out; 390 391 *vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) & 0xffff; 392 393 out: 394 kfree(out_mad); 395 396 return err; 397 } 398 399 int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc) 400 { 401 struct ib_smp *in_mad = NULL; 402 struct ib_smp *out_mad = NULL; 403 int err = -ENOMEM; 404 405 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 406 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 407 if (!in_mad || !out_mad) 408 goto out; 409 410 init_query_mad(in_mad); 411 in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; 412 413 err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); 414 if (err) 415 goto out; 416 417 memcpy(node_desc, out_mad->data, IB_DEVICE_NODE_DESC_MAX); 418 out: 419 kfree(in_mad); 420 kfree(out_mad); 421 return err; 422 } 423 424 int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid) 425 { 426 struct ib_smp *in_mad = NULL; 427 struct ib_smp *out_mad = NULL; 428 int err = -ENOMEM; 429 430 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 431 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 432 if (!in_mad || !out_mad) 433 goto out; 434 435 init_query_mad(in_mad); 436 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; 437 438 err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); 439 if (err) 440 goto out; 441 442 memcpy(node_guid, out_mad->data + 12, 8); 443 out: 444 kfree(in_mad); 445 kfree(out_mad); 446 return err; 447 } 448 449 int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u8 port, u16 index, 450 u16 *pkey) 451 { 452 struct ib_smp *in_mad = NULL; 453 struct ib_smp *out_mad = NULL; 454 int err = -ENOMEM; 455 456 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 457 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 458 if (!in_mad || !out_mad) 459 goto out; 460 461 init_query_mad(in_mad); 462 in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; 463 in_mad->attr_mod = cpu_to_be32(index / 32); 464 465 err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, 466 out_mad); 467 if (err) 468 goto out; 469 470 *pkey = be16_to_cpu(((__be16 *)out_mad->data)[index % 32]); 471 472 out: 473 kfree(in_mad); 474 kfree(out_mad); 475 return err; 476 } 477 478 int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u8 port, int index, 479 union ib_gid *gid) 480 { 481 struct ib_smp *in_mad = NULL; 482 struct ib_smp *out_mad = NULL; 483 int err = -ENOMEM; 484 485 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 486 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 487 if (!in_mad || !out_mad) 488 goto out; 489 490 init_query_mad(in_mad); 491 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; 492 in_mad->attr_mod = cpu_to_be32(port); 493 494 err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, 495 out_mad); 496 if (err) 497 goto out; 498 499 memcpy(gid->raw, out_mad->data + 8, 8); 500 501 init_query_mad(in_mad); 502 in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; 503 in_mad->attr_mod = cpu_to_be32(index / 8); 504 505 err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, 506 out_mad); 507 if (err) 508 goto out; 509 510 memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); 511 512 out: 513 kfree(in_mad); 514 kfree(out_mad); 515 return err; 516 } 517 518 int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port, 519 struct ib_port_attr *props) 520 { 521 struct mlx5_ib_dev *dev = to_mdev(ibdev); 522 struct mlx5_core_dev *mdev = dev->mdev; 523 struct ib_smp *in_mad = NULL; 524 struct ib_smp *out_mad = NULL; 525 int ext_active_speed; 526 int err = -ENOMEM; 527 528 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 529 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 530 if (!in_mad || !out_mad) 531 goto out; 532 533 /* props being zeroed by the caller, avoid zeroing it here */ 534 535 init_query_mad(in_mad); 536 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; 537 in_mad->attr_mod = cpu_to_be32(port); 538 539 err = mlx5_MAD_IFC(dev, 1, 1, port, NULL, NULL, in_mad, out_mad); 540 if (err) { 541 mlx5_ib_warn(dev, "err %d\n", err); 542 goto out; 543 } 544 545 props->lid = be16_to_cpup((__be16 *)(out_mad->data + 16)); 546 props->lmc = out_mad->data[34] & 0x7; 547 props->sm_lid = be16_to_cpup((__be16 *)(out_mad->data + 18)); 548 props->sm_sl = out_mad->data[36] & 0xf; 549 props->state = out_mad->data[32] & 0xf; 550 props->phys_state = out_mad->data[33] >> 4; 551 props->port_cap_flags = be32_to_cpup((__be32 *)(out_mad->data + 20)); 552 props->gid_tbl_len = out_mad->data[50]; 553 props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); 554 props->pkey_tbl_len = mdev->port_caps[port - 1].pkey_table_len; 555 props->bad_pkey_cntr = be16_to_cpup((__be16 *)(out_mad->data + 46)); 556 props->qkey_viol_cntr = be16_to_cpup((__be16 *)(out_mad->data + 48)); 557 props->active_width = out_mad->data[31] & 0xf; 558 props->active_speed = out_mad->data[35] >> 4; 559 props->max_mtu = out_mad->data[41] & 0xf; 560 props->active_mtu = out_mad->data[36] >> 4; 561 props->subnet_timeout = out_mad->data[51] & 0x1f; 562 props->max_vl_num = out_mad->data[37] >> 4; 563 props->init_type_reply = out_mad->data[41] >> 4; 564 565 if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP) { 566 props->port_cap_flags2 = 567 be16_to_cpup((__be16 *)(out_mad->data + 60)); 568 569 if (props->port_cap_flags2 & IB_PORT_LINK_WIDTH_2X_SUP) 570 props->active_width = out_mad->data[31] & 0x1f; 571 } 572 573 /* Check if extended speeds (EDR/FDR/...) are supported */ 574 if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { 575 ext_active_speed = out_mad->data[62] >> 4; 576 577 switch (ext_active_speed) { 578 case 1: 579 props->active_speed = 16; /* FDR */ 580 break; 581 case 2: 582 props->active_speed = 32; /* EDR */ 583 break; 584 case 4: 585 if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP && 586 props->port_cap_flags2 & IB_PORT_LINK_SPEED_HDR_SUP) 587 props->active_speed = IB_SPEED_HDR; 588 break; 589 } 590 } 591 592 /* If reported active speed is QDR, check if is FDR-10 */ 593 if (props->active_speed == 4) { 594 if (mdev->port_caps[port - 1].ext_port_cap & 595 MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO) { 596 init_query_mad(in_mad); 597 in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO; 598 in_mad->attr_mod = cpu_to_be32(port); 599 600 err = mlx5_MAD_IFC(dev, 1, 1, port, 601 NULL, NULL, in_mad, out_mad); 602 if (err) 603 goto out; 604 605 /* Checking LinkSpeedActive for FDR-10 */ 606 if (out_mad->data[15] & 0x1) 607 props->active_speed = 8; 608 } 609 } 610 611 out: 612 kfree(in_mad); 613 kfree(out_mad); 614 615 return err; 616 } 617