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/vport.h> 34#include <rdma/ib_mad.h> 35#include <rdma/ib_smi.h> 36#include <rdma/ib_pma.h> 37#include "mlx5_ib.h" 38#include "cmd.h" 39 40enum { 41 MLX5_IB_VENDOR_CLASS1 = 0x9, 42 MLX5_IB_VENDOR_CLASS2 = 0xa 43}; 44 45static bool can_do_mad_ifc(struct mlx5_ib_dev *dev, u8 port_num, 46 struct ib_mad *in_mad) 47{ 48 if (in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_LID_ROUTED && 49 in_mad->mad_hdr.mgmt_class != IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 50 return true; 51 return dev->mdev->port_caps[port_num - 1].has_smi; 52} 53 54static int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey, 55 int ignore_bkey, u8 port, const struct ib_wc *in_wc, 56 const struct ib_grh *in_grh, const void *in_mad, 57 void *response_mad) 58{ 59 u8 op_modifier = 0; 60 61 if (!can_do_mad_ifc(dev, port, (struct ib_mad *)in_mad)) 62 return -EPERM; 63 64 /* Key check traps can't be generated unless we have in_wc to 65 * tell us where to send the trap. 66 */ 67 if (ignore_mkey || !in_wc) 68 op_modifier |= 0x1; 69 if (ignore_bkey || !in_wc) 70 op_modifier |= 0x2; 71 72 return mlx5_cmd_mad_ifc(dev->mdev, in_mad, response_mad, op_modifier, 73 port); 74} 75 76static void pma_cnt_ext_assign(struct ib_pma_portcounters_ext *pma_cnt_ext, 77 void *out) 78{ 79#define MLX5_SUM_CNT(p, cntr1, cntr2) \ 80 (MLX5_GET64(query_vport_counter_out, p, cntr1) + \ 81 MLX5_GET64(query_vport_counter_out, p, cntr2)) 82 83 pma_cnt_ext->port_xmit_data = 84 cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.octets, 85 transmitted_ib_multicast.octets) >> 2); 86 pma_cnt_ext->port_rcv_data = 87 cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.octets, 88 received_ib_multicast.octets) >> 2); 89 pma_cnt_ext->port_xmit_packets = 90 cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.packets, 91 transmitted_ib_multicast.packets)); 92 pma_cnt_ext->port_rcv_packets = 93 cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.packets, 94 received_ib_multicast.packets)); 95 pma_cnt_ext->port_unicast_xmit_packets = 96 MLX5_GET64_BE(query_vport_counter_out, 97 out, transmitted_ib_unicast.packets); 98 pma_cnt_ext->port_unicast_rcv_packets = 99 MLX5_GET64_BE(query_vport_counter_out, 100 out, received_ib_unicast.packets); 101 pma_cnt_ext->port_multicast_xmit_packets = 102 MLX5_GET64_BE(query_vport_counter_out, 103 out, transmitted_ib_multicast.packets); 104 pma_cnt_ext->port_multicast_rcv_packets = 105 MLX5_GET64_BE(query_vport_counter_out, 106 out, received_ib_multicast.packets); 107} 108 109static void pma_cnt_assign(struct ib_pma_portcounters *pma_cnt, 110 void *out) 111{ 112 /* Traffic counters will be reported in 113 * their 64bit form via ib_pma_portcounters_ext by default. 114 */ 115 void *out_pma = MLX5_ADDR_OF(ppcnt_reg, out, 116 counter_set); 117 118#define MLX5_ASSIGN_PMA_CNTR(counter_var, counter_name) { \ 119 counter_var = MLX5_GET_BE(typeof(counter_var), \ 120 ib_port_cntrs_grp_data_layout, \ 121 out_pma, counter_name); \ 122 } 123 124 MLX5_ASSIGN_PMA_CNTR(pma_cnt->symbol_error_counter, 125 symbol_error_counter); 126 MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_error_recovery_counter, 127 link_error_recovery_counter); 128 MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_downed_counter, 129 link_downed_counter); 130 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_errors, 131 port_rcv_errors); 132 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_remphys_errors, 133 port_rcv_remote_physical_errors); 134 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_switch_relay_errors, 135 port_rcv_switch_relay_errors); 136 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_discards, 137 port_xmit_discards); 138 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_constraint_errors, 139 port_xmit_constraint_errors); 140 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_wait, 141 port_xmit_wait); 142 MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_constraint_errors, 143 port_rcv_constraint_errors); 144 MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_overrun_errors, 145 link_overrun_errors); 146 MLX5_ASSIGN_PMA_CNTR(pma_cnt->vl15_dropped, 147 vl_15_dropped); 148} 149 150static int process_pma_cmd(struct mlx5_ib_dev *dev, u8 port_num, 151 const struct ib_mad *in_mad, struct ib_mad *out_mad) 152{ 153 struct mlx5_core_dev *mdev; 154 bool native_port = true; 155 u8 mdev_port_num; 156 void *out_cnt; 157 int err; 158 159 mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); 160 if (!mdev) { 161 /* Fail to get the native port, likely due to 2nd port is still 162 * unaffiliated. In such case default to 1st port and attached 163 * PF device. 164 */ 165 native_port = false; 166 mdev = dev->mdev; 167 mdev_port_num = 1; 168 } 169 if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1) { 170 /* set local port to one for Function-Per-Port HCA. */ 171 mdev = dev->mdev; 172 mdev_port_num = 1; 173 } 174 175 /* Declaring support of extended counters */ 176 if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO) { 177 struct ib_class_port_info cpi = {}; 178 179 cpi.capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH; 180 memcpy((out_mad->data + 40), &cpi, sizeof(cpi)); 181 err = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; 182 goto done; 183 } 184 185 if (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT) { 186 struct ib_pma_portcounters_ext *pma_cnt_ext = 187 (struct ib_pma_portcounters_ext *)(out_mad->data + 40); 188 int sz = MLX5_ST_SZ_BYTES(query_vport_counter_out); 189 190 out_cnt = kvzalloc(sz, GFP_KERNEL); 191 if (!out_cnt) { 192 err = IB_MAD_RESULT_FAILURE; 193 goto done; 194 } 195 196 err = mlx5_core_query_vport_counter(mdev, 0, 0, mdev_port_num, 197 out_cnt); 198 if (!err) 199 pma_cnt_ext_assign(pma_cnt_ext, out_cnt); 200 } else { 201 struct ib_pma_portcounters *pma_cnt = 202 (struct ib_pma_portcounters *)(out_mad->data + 40); 203 int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); 204 205 out_cnt = kvzalloc(sz, GFP_KERNEL); 206 if (!out_cnt) { 207 err = IB_MAD_RESULT_FAILURE; 208 goto done; 209 } 210 211 err = mlx5_core_query_ib_ppcnt(mdev, mdev_port_num, 212 out_cnt, sz); 213 if (!err) 214 pma_cnt_assign(pma_cnt, out_cnt); 215 } 216 kvfree(out_cnt); 217 err = err ? IB_MAD_RESULT_FAILURE : 218 IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; 219done: 220 if (native_port) 221 mlx5_ib_put_native_port_mdev(dev, port_num); 222 return err; 223} 224 225int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, 226 const struct ib_wc *in_wc, const struct ib_grh *in_grh, 227 const struct ib_mad *in, struct ib_mad *out, 228 size_t *out_mad_size, u16 *out_mad_pkey_index) 229{ 230 struct mlx5_ib_dev *dev = to_mdev(ibdev); 231 u8 mgmt_class = in->mad_hdr.mgmt_class; 232 u8 method = in->mad_hdr.method; 233 u16 slid; 234 int err; 235 236 slid = in_wc ? ib_lid_cpu16(in_wc->slid) : 237 be16_to_cpu(IB_LID_PERMISSIVE); 238 239 if (method == IB_MGMT_METHOD_TRAP && !slid) 240 return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; 241 242 switch (mgmt_class) { 243 case IB_MGMT_CLASS_SUBN_LID_ROUTED: 244 case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: { 245 if (method != IB_MGMT_METHOD_GET && 246 method != IB_MGMT_METHOD_SET && 247 method != IB_MGMT_METHOD_TRAP_REPRESS) 248 return IB_MAD_RESULT_SUCCESS; 249 250 /* Don't process SMInfo queries -- the SMA can't handle them. 251 */ 252 if (in->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO) 253 return IB_MAD_RESULT_SUCCESS; 254 } break; 255 case IB_MGMT_CLASS_PERF_MGMT: 256 if (MLX5_CAP_GEN(dev->mdev, vport_counters) && 257 method == IB_MGMT_METHOD_GET) 258 return process_pma_cmd(dev, port_num, in, out); 259 fallthrough; 260 case MLX5_IB_VENDOR_CLASS1: 261 case MLX5_IB_VENDOR_CLASS2: 262 case IB_MGMT_CLASS_CONG_MGMT: { 263 if (method != IB_MGMT_METHOD_GET && 264 method != IB_MGMT_METHOD_SET) 265 return IB_MAD_RESULT_SUCCESS; 266 } break; 267 default: 268 return IB_MAD_RESULT_SUCCESS; 269 } 270 271 err = mlx5_MAD_IFC(to_mdev(ibdev), mad_flags & IB_MAD_IGNORE_MKEY, 272 mad_flags & IB_MAD_IGNORE_BKEY, port_num, in_wc, 273 in_grh, in, out); 274 if (err) 275 return IB_MAD_RESULT_FAILURE; 276 277 /* set return bit in status of directed route responses */ 278 if (mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 279 out->mad_hdr.status |= cpu_to_be16(1 << 15); 280 281 if (method == IB_MGMT_METHOD_TRAP_REPRESS) 282 /* no response for trap repress */ 283 return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; 284 285 return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; 286} 287 288int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port) 289{ 290 struct ib_smp *in_mad = NULL; 291 struct ib_smp *out_mad = NULL; 292 int err = -ENOMEM; 293 u16 packet_error; 294 295 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 296 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 297 if (!in_mad || !out_mad) 298 goto out; 299 300 init_query_mad(in_mad); 301 in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO; 302 in_mad->attr_mod = cpu_to_be32(port); 303 304 err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); 305 306 packet_error = be16_to_cpu(out_mad->status); 307 308 dev->mdev->port_caps[port - 1].ext_port_cap = (!err && !packet_error) ? 309 MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO : 0; 310 311out: 312 kfree(in_mad); 313 kfree(out_mad); 314 return err; 315} 316 317int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev, 318 struct ib_smp *out_mad) 319{ 320 struct ib_smp *in_mad = NULL; 321 int err = -ENOMEM; 322 323 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 324 if (!in_mad) 325 return -ENOMEM; 326 327 init_query_mad(in_mad); 328 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; 329 330 err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad, 331 out_mad); 332 333 kfree(in_mad); 334 return err; 335} 336 337int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev, 338 __be64 *sys_image_guid) 339{ 340 struct ib_smp *out_mad = NULL; 341 int err = -ENOMEM; 342 343 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 344 if (!out_mad) 345 return -ENOMEM; 346 347 err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); 348 if (err) 349 goto out; 350 351 memcpy(sys_image_guid, out_mad->data + 4, 8); 352 353out: 354 kfree(out_mad); 355 356 return err; 357} 358 359int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev, 360 u16 *max_pkeys) 361{ 362 struct ib_smp *out_mad = NULL; 363 int err = -ENOMEM; 364 365 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 366 if (!out_mad) 367 return -ENOMEM; 368 369 err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); 370 if (err) 371 goto out; 372 373 *max_pkeys = be16_to_cpup((__be16 *)(out_mad->data + 28)); 374 375out: 376 kfree(out_mad); 377 378 return err; 379} 380 381int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev, 382 u32 *vendor_id) 383{ 384 struct ib_smp *out_mad = NULL; 385 int err = -ENOMEM; 386 387 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 388 if (!out_mad) 389 return -ENOMEM; 390 391 err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); 392 if (err) 393 goto out; 394 395 *vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) & 0xffff; 396 397out: 398 kfree(out_mad); 399 400 return err; 401} 402 403int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc) 404{ 405 struct ib_smp *in_mad = NULL; 406 struct ib_smp *out_mad = NULL; 407 int err = -ENOMEM; 408 409 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 410 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 411 if (!in_mad || !out_mad) 412 goto out; 413 414 init_query_mad(in_mad); 415 in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; 416 417 err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); 418 if (err) 419 goto out; 420 421 memcpy(node_desc, out_mad->data, IB_DEVICE_NODE_DESC_MAX); 422out: 423 kfree(in_mad); 424 kfree(out_mad); 425 return err; 426} 427 428int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid) 429{ 430 struct ib_smp *in_mad = NULL; 431 struct ib_smp *out_mad = NULL; 432 int err = -ENOMEM; 433 434 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 435 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 436 if (!in_mad || !out_mad) 437 goto out; 438 439 init_query_mad(in_mad); 440 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; 441 442 err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); 443 if (err) 444 goto out; 445 446 memcpy(node_guid, out_mad->data + 12, 8); 447out: 448 kfree(in_mad); 449 kfree(out_mad); 450 return err; 451} 452 453int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u8 port, u16 index, 454 u16 *pkey) 455{ 456 struct ib_smp *in_mad = NULL; 457 struct ib_smp *out_mad = NULL; 458 int err = -ENOMEM; 459 460 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 461 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 462 if (!in_mad || !out_mad) 463 goto out; 464 465 init_query_mad(in_mad); 466 in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; 467 in_mad->attr_mod = cpu_to_be32(index / 32); 468 469 err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, 470 out_mad); 471 if (err) 472 goto out; 473 474 *pkey = be16_to_cpu(((__be16 *)out_mad->data)[index % 32]); 475 476out: 477 kfree(in_mad); 478 kfree(out_mad); 479 return err; 480} 481 482int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u8 port, int index, 483 union ib_gid *gid) 484{ 485 struct ib_smp *in_mad = NULL; 486 struct ib_smp *out_mad = NULL; 487 int err = -ENOMEM; 488 489 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 490 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 491 if (!in_mad || !out_mad) 492 goto out; 493 494 init_query_mad(in_mad); 495 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; 496 in_mad->attr_mod = cpu_to_be32(port); 497 498 err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, 499 out_mad); 500 if (err) 501 goto out; 502 503 memcpy(gid->raw, out_mad->data + 8, 8); 504 505 init_query_mad(in_mad); 506 in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; 507 in_mad->attr_mod = cpu_to_be32(index / 8); 508 509 err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, 510 out_mad); 511 if (err) 512 goto out; 513 514 memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); 515 516out: 517 kfree(in_mad); 518 kfree(out_mad); 519 return err; 520} 521 522int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port, 523 struct ib_port_attr *props) 524{ 525 struct mlx5_ib_dev *dev = to_mdev(ibdev); 526 struct mlx5_core_dev *mdev = dev->mdev; 527 struct ib_smp *in_mad = NULL; 528 struct ib_smp *out_mad = NULL; 529 int ext_active_speed; 530 int err = -ENOMEM; 531 532 in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); 533 out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); 534 if (!in_mad || !out_mad) 535 goto out; 536 537 /* props being zeroed by the caller, avoid zeroing it here */ 538 539 init_query_mad(in_mad); 540 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; 541 in_mad->attr_mod = cpu_to_be32(port); 542 543 err = mlx5_MAD_IFC(dev, 1, 1, port, NULL, NULL, in_mad, out_mad); 544 if (err) { 545 mlx5_ib_warn(dev, "err %d\n", err); 546 goto out; 547 } 548 549 props->lid = be16_to_cpup((__be16 *)(out_mad->data + 16)); 550 props->lmc = out_mad->data[34] & 0x7; 551 props->sm_lid = be16_to_cpup((__be16 *)(out_mad->data + 18)); 552 props->sm_sl = out_mad->data[36] & 0xf; 553 props->state = out_mad->data[32] & 0xf; 554 props->phys_state = out_mad->data[33] >> 4; 555 props->port_cap_flags = be32_to_cpup((__be32 *)(out_mad->data + 20)); 556 props->gid_tbl_len = out_mad->data[50]; 557 props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); 558 props->pkey_tbl_len = mdev->port_caps[port - 1].pkey_table_len; 559 props->bad_pkey_cntr = be16_to_cpup((__be16 *)(out_mad->data + 46)); 560 props->qkey_viol_cntr = be16_to_cpup((__be16 *)(out_mad->data + 48)); 561 props->active_width = out_mad->data[31] & 0xf; 562 props->active_speed = out_mad->data[35] >> 4; 563 props->max_mtu = out_mad->data[41] & 0xf; 564 props->active_mtu = out_mad->data[36] >> 4; 565 props->subnet_timeout = out_mad->data[51] & 0x1f; 566 props->max_vl_num = out_mad->data[37] >> 4; 567 props->init_type_reply = out_mad->data[41] >> 4; 568 569 if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP) { 570 props->port_cap_flags2 = 571 be16_to_cpup((__be16 *)(out_mad->data + 60)); 572 573 if (props->port_cap_flags2 & IB_PORT_LINK_WIDTH_2X_SUP) 574 props->active_width = out_mad->data[31] & 0x1f; 575 } 576 577 /* Check if extended speeds (EDR/FDR/...) are supported */ 578 if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { 579 ext_active_speed = out_mad->data[62] >> 4; 580 581 switch (ext_active_speed) { 582 case 1: 583 props->active_speed = 16; /* FDR */ 584 break; 585 case 2: 586 props->active_speed = 32; /* EDR */ 587 break; 588 case 4: 589 if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP && 590 props->port_cap_flags2 & IB_PORT_LINK_SPEED_HDR_SUP) 591 props->active_speed = IB_SPEED_HDR; 592 break; 593 } 594 } 595 596 /* If reported active speed is QDR, check if is FDR-10 */ 597 if (props->active_speed == 4) { 598 if (mdev->port_caps[port - 1].ext_port_cap & 599 MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO) { 600 init_query_mad(in_mad); 601 in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO; 602 in_mad->attr_mod = cpu_to_be32(port); 603 604 err = mlx5_MAD_IFC(dev, 1, 1, port, 605 NULL, NULL, in_mad, out_mad); 606 if (err) 607 goto out; 608 609 /* Checking LinkSpeedActive for FDR-10 */ 610 if (out_mad->data[15] & 0x1) 611 props->active_speed = 8; 612 } 613 } 614 615out: 616 kfree(in_mad); 617 kfree(out_mad); 618 619 return err; 620} 621