Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1 | /* |
Saeed Mahameed | 6cf0a15 | 2015-04-02 17:07:30 +0300 | [diff] [blame] | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 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> |
Meny Yossefi | 3efd9a1 | 2016-02-18 18:15:01 +0200 | [diff] [blame] | 34 | #include <linux/mlx5/vport.h> |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 35 | #include <rdma/ib_mad.h> |
| 36 | #include <rdma/ib_smi.h> |
Meny Yossefi | 3efd9a1 | 2016-02-18 18:15:01 +0200 | [diff] [blame] | 37 | #include <rdma/ib_pma.h> |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 38 | #include "mlx5_ib.h" |
| 39 | |
| 40 | enum { |
| 41 | MLX5_IB_VENDOR_CLASS1 = 0x9, |
| 42 | MLX5_IB_VENDOR_CLASS2 = 0xa |
| 43 | }; |
| 44 | |
| 45 | int mlx5_MAD_IFC(struct mlx5_ib_dev *dev, int ignore_mkey, int ignore_bkey, |
Ira Weiny | a97e2d8 | 2015-05-31 17:15:30 -0400 | [diff] [blame] | 46 | u8 port, const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
| 47 | const void *in_mad, void *response_mad) |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 48 | { |
| 49 | u8 op_modifier = 0; |
| 50 | |
| 51 | /* Key check traps can't be generated unless we have in_wc to |
| 52 | * tell us where to send the trap. |
| 53 | */ |
| 54 | if (ignore_mkey || !in_wc) |
| 55 | op_modifier |= 0x1; |
| 56 | if (ignore_bkey || !in_wc) |
| 57 | op_modifier |= 0x2; |
| 58 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 59 | return mlx5_core_mad_ifc(dev->mdev, in_mad, response_mad, op_modifier, port); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 60 | } |
| 61 | |
Meny Yossefi | 3efd9a1 | 2016-02-18 18:15:01 +0200 | [diff] [blame] | 62 | static int process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, |
| 63 | const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
| 64 | const struct ib_mad *in_mad, struct ib_mad *out_mad) |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 65 | { |
| 66 | u16 slid; |
| 67 | int err; |
| 68 | |
| 69 | slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE); |
| 70 | |
| 71 | if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP && slid == 0) |
| 72 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
| 73 | |
| 74 | if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED || |
| 75 | in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { |
| 76 | if (in_mad->mad_hdr.method != IB_MGMT_METHOD_GET && |
| 77 | in_mad->mad_hdr.method != IB_MGMT_METHOD_SET && |
| 78 | in_mad->mad_hdr.method != IB_MGMT_METHOD_TRAP_REPRESS) |
| 79 | return IB_MAD_RESULT_SUCCESS; |
| 80 | |
| 81 | /* Don't process SMInfo queries -- the SMA can't handle them. |
| 82 | */ |
| 83 | if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO) |
| 84 | return IB_MAD_RESULT_SUCCESS; |
| 85 | } else if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT || |
| 86 | in_mad->mad_hdr.mgmt_class == MLX5_IB_VENDOR_CLASS1 || |
| 87 | in_mad->mad_hdr.mgmt_class == MLX5_IB_VENDOR_CLASS2 || |
| 88 | in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_CONG_MGMT) { |
| 89 | if (in_mad->mad_hdr.method != IB_MGMT_METHOD_GET && |
| 90 | in_mad->mad_hdr.method != IB_MGMT_METHOD_SET) |
| 91 | return IB_MAD_RESULT_SUCCESS; |
| 92 | } else { |
| 93 | return IB_MAD_RESULT_SUCCESS; |
| 94 | } |
| 95 | |
| 96 | err = mlx5_MAD_IFC(to_mdev(ibdev), |
| 97 | mad_flags & IB_MAD_IGNORE_MKEY, |
| 98 | mad_flags & IB_MAD_IGNORE_BKEY, |
| 99 | port_num, in_wc, in_grh, in_mad, out_mad); |
| 100 | if (err) |
| 101 | return IB_MAD_RESULT_FAILURE; |
| 102 | |
| 103 | /* set return bit in status of directed route responses */ |
| 104 | if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) |
| 105 | out_mad->mad_hdr.status |= cpu_to_be16(1 << 15); |
| 106 | |
| 107 | if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP_REPRESS) |
| 108 | /* no response for trap repress */ |
| 109 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
| 110 | |
| 111 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
| 112 | } |
| 113 | |
Meny Yossefi | 3efd9a1 | 2016-02-18 18:15:01 +0200 | [diff] [blame] | 114 | static void pma_cnt_ext_assign(struct ib_pma_portcounters_ext *pma_cnt_ext, |
| 115 | void *out) |
| 116 | { |
| 117 | #define MLX5_SUM_CNT(p, cntr1, cntr2) \ |
| 118 | (MLX5_GET64(query_vport_counter_out, p, cntr1) + \ |
| 119 | MLX5_GET64(query_vport_counter_out, p, cntr2)) |
| 120 | |
| 121 | pma_cnt_ext->port_xmit_data = |
| 122 | cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.octets, |
| 123 | transmitted_ib_multicast.octets) >> 2); |
| 124 | pma_cnt_ext->port_xmit_data = |
| 125 | cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.octets, |
| 126 | received_ib_multicast.octets) >> 2); |
| 127 | pma_cnt_ext->port_xmit_packets = |
| 128 | cpu_to_be64(MLX5_SUM_CNT(out, transmitted_ib_unicast.packets, |
| 129 | transmitted_ib_multicast.packets)); |
| 130 | pma_cnt_ext->port_rcv_packets = |
| 131 | cpu_to_be64(MLX5_SUM_CNT(out, received_ib_unicast.packets, |
| 132 | received_ib_multicast.packets)); |
| 133 | pma_cnt_ext->port_unicast_xmit_packets = |
| 134 | MLX5_GET64_BE(query_vport_counter_out, |
| 135 | out, transmitted_ib_unicast.packets); |
| 136 | pma_cnt_ext->port_unicast_rcv_packets = |
| 137 | MLX5_GET64_BE(query_vport_counter_out, |
| 138 | out, received_ib_unicast.packets); |
| 139 | pma_cnt_ext->port_multicast_xmit_packets = |
| 140 | MLX5_GET64_BE(query_vport_counter_out, |
| 141 | out, transmitted_ib_multicast.packets); |
| 142 | pma_cnt_ext->port_multicast_rcv_packets = |
| 143 | MLX5_GET64_BE(query_vport_counter_out, |
| 144 | out, received_ib_multicast.packets); |
| 145 | } |
| 146 | |
| 147 | static void pma_cnt_assign(struct ib_pma_portcounters *pma_cnt, |
| 148 | void *out) |
| 149 | { |
| 150 | /* Traffic counters will be reported in |
| 151 | * their 64bit form via ib_pma_portcounters_ext by default. |
| 152 | */ |
| 153 | void *out_pma = MLX5_ADDR_OF(ppcnt_reg, out, |
| 154 | counter_set); |
| 155 | |
| 156 | #define MLX5_ASSIGN_PMA_CNTR(counter_var, counter_name) { \ |
| 157 | counter_var = MLX5_GET_BE(typeof(counter_var), \ |
| 158 | ib_port_cntrs_grp_data_layout, \ |
| 159 | out_pma, counter_name); \ |
| 160 | } |
| 161 | |
| 162 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->symbol_error_counter, |
| 163 | symbol_error_counter); |
| 164 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_error_recovery_counter, |
| 165 | link_error_recovery_counter); |
| 166 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_downed_counter, |
| 167 | link_downed_counter); |
| 168 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_errors, |
| 169 | port_rcv_errors); |
| 170 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_remphys_errors, |
| 171 | port_rcv_remote_physical_errors); |
| 172 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_switch_relay_errors, |
| 173 | port_rcv_switch_relay_errors); |
| 174 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_discards, |
| 175 | port_xmit_discards); |
| 176 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_xmit_constraint_errors, |
| 177 | port_xmit_constraint_errors); |
| 178 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->port_rcv_constraint_errors, |
| 179 | port_rcv_constraint_errors); |
| 180 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->link_overrun_errors, |
| 181 | link_overrun_errors); |
| 182 | MLX5_ASSIGN_PMA_CNTR(pma_cnt->vl15_dropped, |
| 183 | vl_15_dropped); |
| 184 | } |
| 185 | |
| 186 | static int process_pma_cmd(struct ib_device *ibdev, u8 port_num, |
| 187 | const struct ib_mad *in_mad, struct ib_mad *out_mad) |
| 188 | { |
| 189 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
| 190 | int err; |
| 191 | void *out_cnt; |
| 192 | |
| 193 | /* Decalring support of extended counters */ |
| 194 | if (in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO) { |
| 195 | struct ib_class_port_info cpi = {}; |
| 196 | |
| 197 | cpi.capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH; |
| 198 | memcpy((out_mad->data + 40), &cpi, sizeof(cpi)); |
| 199 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
| 200 | } |
| 201 | |
| 202 | if (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT) { |
| 203 | struct ib_pma_portcounters_ext *pma_cnt_ext = |
| 204 | (struct ib_pma_portcounters_ext *)(out_mad->data + 40); |
| 205 | int sz = MLX5_ST_SZ_BYTES(query_vport_counter_out); |
| 206 | |
| 207 | out_cnt = mlx5_vzalloc(sz); |
| 208 | if (!out_cnt) |
| 209 | return IB_MAD_RESULT_FAILURE; |
| 210 | |
Eli Cohen | 2a4826f | 2016-03-11 22:58:40 +0200 | [diff] [blame] | 211 | err = mlx5_core_query_vport_counter(dev->mdev, 0, 0, |
Meny Yossefi | 3efd9a1 | 2016-02-18 18:15:01 +0200 | [diff] [blame] | 212 | port_num, out_cnt, sz); |
| 213 | if (!err) |
| 214 | pma_cnt_ext_assign(pma_cnt_ext, out_cnt); |
| 215 | } else { |
| 216 | struct ib_pma_portcounters *pma_cnt = |
| 217 | (struct ib_pma_portcounters *)(out_mad->data + 40); |
| 218 | int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); |
| 219 | |
| 220 | out_cnt = mlx5_vzalloc(sz); |
| 221 | if (!out_cnt) |
| 222 | return IB_MAD_RESULT_FAILURE; |
| 223 | |
| 224 | err = mlx5_core_query_ib_ppcnt(dev->mdev, port_num, |
| 225 | out_cnt, sz); |
| 226 | if (!err) |
| 227 | pma_cnt_assign(pma_cnt, out_cnt); |
| 228 | } |
| 229 | |
| 230 | kvfree(out_cnt); |
| 231 | if (err) |
| 232 | return IB_MAD_RESULT_FAILURE; |
| 233 | |
| 234 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
| 235 | } |
| 236 | |
| 237 | int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, |
| 238 | const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
| 239 | const struct ib_mad_hdr *in, size_t in_mad_size, |
| 240 | struct ib_mad_hdr *out, size_t *out_mad_size, |
| 241 | u16 *out_mad_pkey_index) |
| 242 | { |
| 243 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
| 244 | struct mlx5_core_dev *mdev = dev->mdev; |
| 245 | const struct ib_mad *in_mad = (const struct ib_mad *)in; |
| 246 | struct ib_mad *out_mad = (struct ib_mad *)out; |
| 247 | |
| 248 | if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || |
| 249 | *out_mad_size != sizeof(*out_mad))) |
| 250 | return IB_MAD_RESULT_FAILURE; |
| 251 | |
| 252 | memset(out_mad->data, 0, sizeof(out_mad->data)); |
| 253 | |
| 254 | if (MLX5_CAP_GEN(mdev, vport_counters) && |
| 255 | in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT && |
| 256 | in_mad->mad_hdr.method == IB_MGMT_METHOD_GET) { |
| 257 | return process_pma_cmd(ibdev, port_num, in_mad, out_mad); |
| 258 | } else { |
| 259 | return process_mad(ibdev, mad_flags, port_num, in_wc, in_grh, |
| 260 | in_mad, out_mad); |
| 261 | } |
| 262 | } |
| 263 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 264 | int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port) |
| 265 | { |
| 266 | struct ib_smp *in_mad = NULL; |
| 267 | struct ib_smp *out_mad = NULL; |
| 268 | int err = -ENOMEM; |
| 269 | u16 packet_error; |
| 270 | |
| 271 | in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| 272 | out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| 273 | if (!in_mad || !out_mad) |
| 274 | goto out; |
| 275 | |
| 276 | init_query_mad(in_mad); |
| 277 | in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO; |
| 278 | in_mad->attr_mod = cpu_to_be32(port); |
| 279 | |
| 280 | err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); |
| 281 | |
| 282 | packet_error = be16_to_cpu(out_mad->status); |
| 283 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 284 | dev->mdev->port_caps[port - 1].ext_port_cap = (!err && !packet_error) ? |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 285 | MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO : 0; |
| 286 | |
| 287 | out: |
| 288 | kfree(in_mad); |
| 289 | kfree(out_mad); |
| 290 | return err; |
| 291 | } |
Majd Dibbiny | 1b5daf1 | 2015-06-04 19:30:46 +0300 | [diff] [blame] | 292 | |
| 293 | int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev, |
| 294 | struct ib_smp *out_mad) |
| 295 | { |
| 296 | struct ib_smp *in_mad = NULL; |
| 297 | int err = -ENOMEM; |
| 298 | |
| 299 | in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| 300 | if (!in_mad) |
| 301 | return -ENOMEM; |
| 302 | |
| 303 | init_query_mad(in_mad); |
| 304 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; |
| 305 | |
| 306 | err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad, |
| 307 | out_mad); |
| 308 | |
| 309 | kfree(in_mad); |
| 310 | return err; |
| 311 | } |
| 312 | |
| 313 | int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev, |
| 314 | __be64 *sys_image_guid) |
| 315 | { |
| 316 | struct ib_smp *out_mad = NULL; |
| 317 | int err = -ENOMEM; |
| 318 | |
| 319 | out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| 320 | if (!out_mad) |
| 321 | return -ENOMEM; |
| 322 | |
| 323 | err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); |
| 324 | if (err) |
| 325 | goto out; |
| 326 | |
| 327 | memcpy(sys_image_guid, out_mad->data + 4, 8); |
| 328 | |
| 329 | out: |
| 330 | kfree(out_mad); |
| 331 | |
| 332 | return err; |
| 333 | } |
| 334 | |
| 335 | int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev, |
| 336 | u16 *max_pkeys) |
| 337 | { |
| 338 | struct ib_smp *out_mad = NULL; |
| 339 | int err = -ENOMEM; |
| 340 | |
| 341 | out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| 342 | if (!out_mad) |
| 343 | return -ENOMEM; |
| 344 | |
| 345 | err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); |
| 346 | if (err) |
| 347 | goto out; |
| 348 | |
| 349 | *max_pkeys = be16_to_cpup((__be16 *)(out_mad->data + 28)); |
| 350 | |
| 351 | out: |
| 352 | kfree(out_mad); |
| 353 | |
| 354 | return err; |
| 355 | } |
| 356 | |
| 357 | int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev, |
| 358 | u32 *vendor_id) |
| 359 | { |
| 360 | struct ib_smp *out_mad = NULL; |
| 361 | int err = -ENOMEM; |
| 362 | |
| 363 | out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| 364 | if (!out_mad) |
| 365 | return -ENOMEM; |
| 366 | |
| 367 | err = mlx5_query_mad_ifc_smp_attr_node_info(ibdev, out_mad); |
| 368 | if (err) |
| 369 | goto out; |
| 370 | |
| 371 | *vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) & 0xffff; |
| 372 | |
| 373 | out: |
| 374 | kfree(out_mad); |
| 375 | |
| 376 | return err; |
| 377 | } |
| 378 | |
| 379 | int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc) |
| 380 | { |
| 381 | struct ib_smp *in_mad = NULL; |
| 382 | struct ib_smp *out_mad = NULL; |
| 383 | int err = -ENOMEM; |
| 384 | |
| 385 | in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| 386 | out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| 387 | if (!in_mad || !out_mad) |
| 388 | goto out; |
| 389 | |
| 390 | init_query_mad(in_mad); |
| 391 | in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; |
| 392 | |
| 393 | err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); |
| 394 | if (err) |
| 395 | goto out; |
| 396 | |
| 397 | memcpy(node_desc, out_mad->data, 64); |
| 398 | out: |
| 399 | kfree(in_mad); |
| 400 | kfree(out_mad); |
| 401 | return err; |
| 402 | } |
| 403 | |
| 404 | int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid) |
| 405 | { |
| 406 | struct ib_smp *in_mad = NULL; |
| 407 | struct ib_smp *out_mad = NULL; |
| 408 | int err = -ENOMEM; |
| 409 | |
| 410 | in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| 411 | out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| 412 | if (!in_mad || !out_mad) |
| 413 | goto out; |
| 414 | |
| 415 | init_query_mad(in_mad); |
| 416 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; |
| 417 | |
| 418 | err = mlx5_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); |
| 419 | if (err) |
| 420 | goto out; |
| 421 | |
| 422 | memcpy(node_guid, out_mad->data + 12, 8); |
| 423 | out: |
| 424 | kfree(in_mad); |
| 425 | kfree(out_mad); |
| 426 | return err; |
| 427 | } |
| 428 | |
| 429 | int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u8 port, u16 index, |
| 430 | u16 *pkey) |
| 431 | { |
| 432 | struct ib_smp *in_mad = NULL; |
| 433 | struct ib_smp *out_mad = NULL; |
| 434 | int err = -ENOMEM; |
| 435 | |
| 436 | in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| 437 | out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| 438 | if (!in_mad || !out_mad) |
| 439 | goto out; |
| 440 | |
| 441 | init_query_mad(in_mad); |
| 442 | in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; |
| 443 | in_mad->attr_mod = cpu_to_be32(index / 32); |
| 444 | |
| 445 | err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, |
| 446 | out_mad); |
| 447 | if (err) |
| 448 | goto out; |
| 449 | |
| 450 | *pkey = be16_to_cpu(((__be16 *)out_mad->data)[index % 32]); |
| 451 | |
| 452 | out: |
| 453 | kfree(in_mad); |
| 454 | kfree(out_mad); |
| 455 | return err; |
| 456 | } |
| 457 | |
| 458 | int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u8 port, int index, |
| 459 | union ib_gid *gid) |
| 460 | { |
| 461 | struct ib_smp *in_mad = NULL; |
| 462 | struct ib_smp *out_mad = NULL; |
| 463 | int err = -ENOMEM; |
| 464 | |
| 465 | in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| 466 | out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| 467 | if (!in_mad || !out_mad) |
| 468 | goto out; |
| 469 | |
| 470 | init_query_mad(in_mad); |
| 471 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; |
| 472 | in_mad->attr_mod = cpu_to_be32(port); |
| 473 | |
| 474 | err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, |
| 475 | out_mad); |
| 476 | if (err) |
| 477 | goto out; |
| 478 | |
| 479 | memcpy(gid->raw, out_mad->data + 8, 8); |
| 480 | |
| 481 | init_query_mad(in_mad); |
| 482 | in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; |
| 483 | in_mad->attr_mod = cpu_to_be32(index / 8); |
| 484 | |
| 485 | err = mlx5_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, |
| 486 | out_mad); |
| 487 | if (err) |
| 488 | goto out; |
| 489 | |
| 490 | memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); |
| 491 | |
| 492 | out: |
| 493 | kfree(in_mad); |
| 494 | kfree(out_mad); |
| 495 | return err; |
| 496 | } |
| 497 | |
| 498 | int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port, |
| 499 | struct ib_port_attr *props) |
| 500 | { |
| 501 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
| 502 | struct mlx5_core_dev *mdev = dev->mdev; |
| 503 | struct ib_smp *in_mad = NULL; |
| 504 | struct ib_smp *out_mad = NULL; |
| 505 | int ext_active_speed; |
| 506 | int err = -ENOMEM; |
| 507 | |
| 508 | if (port < 1 || port > MLX5_CAP_GEN(mdev, num_ports)) { |
| 509 | mlx5_ib_warn(dev, "invalid port number %d\n", port); |
| 510 | return -EINVAL; |
| 511 | } |
| 512 | |
| 513 | in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); |
| 514 | out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL); |
| 515 | if (!in_mad || !out_mad) |
| 516 | goto out; |
| 517 | |
| 518 | memset(props, 0, sizeof(*props)); |
| 519 | |
| 520 | init_query_mad(in_mad); |
| 521 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; |
| 522 | in_mad->attr_mod = cpu_to_be32(port); |
| 523 | |
| 524 | err = mlx5_MAD_IFC(dev, 1, 1, port, NULL, NULL, in_mad, out_mad); |
| 525 | if (err) { |
| 526 | mlx5_ib_warn(dev, "err %d\n", err); |
| 527 | goto out; |
| 528 | } |
| 529 | |
| 530 | props->lid = be16_to_cpup((__be16 *)(out_mad->data + 16)); |
| 531 | props->lmc = out_mad->data[34] & 0x7; |
| 532 | props->sm_lid = be16_to_cpup((__be16 *)(out_mad->data + 18)); |
| 533 | props->sm_sl = out_mad->data[36] & 0xf; |
| 534 | props->state = out_mad->data[32] & 0xf; |
| 535 | props->phys_state = out_mad->data[33] >> 4; |
| 536 | props->port_cap_flags = be32_to_cpup((__be32 *)(out_mad->data + 20)); |
| 537 | props->gid_tbl_len = out_mad->data[50]; |
| 538 | props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); |
| 539 | props->pkey_tbl_len = mdev->port_caps[port - 1].pkey_table_len; |
| 540 | props->bad_pkey_cntr = be16_to_cpup((__be16 *)(out_mad->data + 46)); |
| 541 | props->qkey_viol_cntr = be16_to_cpup((__be16 *)(out_mad->data + 48)); |
| 542 | props->active_width = out_mad->data[31] & 0xf; |
| 543 | props->active_speed = out_mad->data[35] >> 4; |
| 544 | props->max_mtu = out_mad->data[41] & 0xf; |
| 545 | props->active_mtu = out_mad->data[36] >> 4; |
| 546 | props->subnet_timeout = out_mad->data[51] & 0x1f; |
| 547 | props->max_vl_num = out_mad->data[37] >> 4; |
| 548 | props->init_type_reply = out_mad->data[41] >> 4; |
| 549 | |
| 550 | /* Check if extended speeds (EDR/FDR/...) are supported */ |
| 551 | if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) { |
| 552 | ext_active_speed = out_mad->data[62] >> 4; |
| 553 | |
| 554 | switch (ext_active_speed) { |
| 555 | case 1: |
| 556 | props->active_speed = 16; /* FDR */ |
| 557 | break; |
| 558 | case 2: |
| 559 | props->active_speed = 32; /* EDR */ |
| 560 | break; |
| 561 | } |
| 562 | } |
| 563 | |
| 564 | /* If reported active speed is QDR, check if is FDR-10 */ |
| 565 | if (props->active_speed == 4) { |
| 566 | if (mdev->port_caps[port - 1].ext_port_cap & |
| 567 | MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO) { |
| 568 | init_query_mad(in_mad); |
| 569 | in_mad->attr_id = MLX5_ATTR_EXTENDED_PORT_INFO; |
| 570 | in_mad->attr_mod = cpu_to_be32(port); |
| 571 | |
| 572 | err = mlx5_MAD_IFC(dev, 1, 1, port, |
| 573 | NULL, NULL, in_mad, out_mad); |
| 574 | if (err) |
| 575 | goto out; |
| 576 | |
| 577 | /* Checking LinkSpeedActive for FDR-10 */ |
| 578 | if (out_mad->data[15] & 0x1) |
| 579 | props->active_speed = 8; |
| 580 | } |
| 581 | } |
| 582 | |
| 583 | out: |
| 584 | kfree(in_mad); |
| 585 | kfree(out_mad); |
| 586 | |
| 587 | return err; |
| 588 | } |