Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1 | /* |
Mike Marciniszyn | 1fb9fed | 2012-07-16 17:11:06 +0000 | [diff] [blame] | 2 | * Copyright (c) 2012 Intel Corporation. All rights reserved. |
| 3 | * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved. |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 4 | * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. |
| 5 | * |
| 6 | * This software is available to you under a choice of one of two |
| 7 | * licenses. You may choose to be licensed under the terms of the GNU |
| 8 | * General Public License (GPL) Version 2, available from the file |
| 9 | * COPYING in the main directory of this source tree, or the |
| 10 | * OpenIB.org BSD license below: |
| 11 | * |
| 12 | * Redistribution and use in source and binary forms, with or |
| 13 | * without modification, are permitted provided that the following |
| 14 | * conditions are met: |
| 15 | * |
| 16 | * - Redistributions of source code must retain the above |
| 17 | * copyright notice, this list of conditions and the following |
| 18 | * disclaimer. |
| 19 | * |
| 20 | * - Redistributions in binary form must reproduce the above |
| 21 | * copyright notice, this list of conditions and the following |
| 22 | * disclaimer in the documentation and/or other materials |
| 23 | * provided with the distribution. |
| 24 | * |
| 25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 32 | * SOFTWARE. |
| 33 | */ |
| 34 | |
| 35 | #include <rdma/ib_smi.h> |
| 36 | |
| 37 | #include "qib.h" |
| 38 | #include "qib_mad.h" |
| 39 | |
| 40 | static int reply(struct ib_smp *smp) |
| 41 | { |
| 42 | /* |
| 43 | * The verbs framework will handle the directed/LID route |
| 44 | * packet changes. |
| 45 | */ |
| 46 | smp->method = IB_MGMT_METHOD_GET_RESP; |
| 47 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) |
| 48 | smp->status |= IB_SMP_DIRECTION; |
| 49 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; |
| 50 | } |
| 51 | |
Mike Marciniszyn | 36a8f01 | 2012-07-19 13:04:04 +0000 | [diff] [blame] | 52 | static int reply_failure(struct ib_smp *smp) |
| 53 | { |
| 54 | /* |
| 55 | * The verbs framework will handle the directed/LID route |
| 56 | * packet changes. |
| 57 | */ |
| 58 | smp->method = IB_MGMT_METHOD_GET_RESP; |
| 59 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) |
| 60 | smp->status |= IB_SMP_DIRECTION; |
| 61 | return IB_MAD_RESULT_FAILURE | IB_MAD_RESULT_REPLY; |
| 62 | } |
| 63 | |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 64 | static void qib_send_trap(struct qib_ibport *ibp, void *data, unsigned len) |
| 65 | { |
| 66 | struct ib_mad_send_buf *send_buf; |
| 67 | struct ib_mad_agent *agent; |
| 68 | struct ib_smp *smp; |
| 69 | int ret; |
| 70 | unsigned long flags; |
| 71 | unsigned long timeout; |
| 72 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 73 | agent = ibp->rvp.send_agent; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 74 | if (!agent) |
| 75 | return; |
| 76 | |
| 77 | /* o14-3.2.1 */ |
| 78 | if (!(ppd_from_ibp(ibp)->lflags & QIBL_LINKACTIVE)) |
| 79 | return; |
| 80 | |
| 81 | /* o14-2 */ |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 82 | if (ibp->rvp.trap_timeout && |
| 83 | time_before(jiffies, ibp->rvp.trap_timeout)) |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 84 | return; |
| 85 | |
| 86 | send_buf = ib_create_send_mad(agent, 0, 0, 0, IB_MGMT_MAD_HDR, |
Ira Weiny | da2dfaa | 2015-06-06 14:38:28 -0400 | [diff] [blame] | 87 | IB_MGMT_MAD_DATA, GFP_ATOMIC, |
| 88 | IB_MGMT_BASE_VERSION); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 89 | if (IS_ERR(send_buf)) |
| 90 | return; |
| 91 | |
| 92 | smp = send_buf->mad; |
| 93 | smp->base_version = IB_MGMT_BASE_VERSION; |
| 94 | smp->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; |
| 95 | smp->class_version = 1; |
| 96 | smp->method = IB_MGMT_METHOD_TRAP; |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 97 | ibp->rvp.tid++; |
| 98 | smp->tid = cpu_to_be64(ibp->rvp.tid); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 99 | smp->attr_id = IB_SMP_ATTR_NOTICE; |
| 100 | /* o14-1: smp->mkey = 0; */ |
| 101 | memcpy(smp->data, data, len); |
| 102 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 103 | spin_lock_irqsave(&ibp->rvp.lock, flags); |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 104 | if (!ibp->rvp.sm_ah) { |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 105 | if (ibp->rvp.sm_lid != be16_to_cpu(IB_LID_PERMISSIVE)) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 106 | struct ib_ah *ah; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 107 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 108 | ah = qib_create_qp0_ah(ibp, ibp->rvp.sm_lid); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 109 | if (IS_ERR(ah)) |
Mike Marciniszyn | 1fb9fed | 2012-07-16 17:11:06 +0000 | [diff] [blame] | 110 | ret = PTR_ERR(ah); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 111 | else { |
| 112 | send_buf->ah = ah; |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 113 | ibp->rvp.sm_ah = ibah_to_rvtah(ah); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 114 | ret = 0; |
| 115 | } |
| 116 | } else |
| 117 | ret = -EINVAL; |
| 118 | } else { |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 119 | send_buf->ah = &ibp->rvp.sm_ah->ibah; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 120 | ret = 0; |
| 121 | } |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 122 | spin_unlock_irqrestore(&ibp->rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 123 | |
| 124 | if (!ret) |
| 125 | ret = ib_post_send_mad(send_buf, NULL); |
| 126 | if (!ret) { |
| 127 | /* 4.096 usec. */ |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 128 | timeout = (4096 * (1UL << ibp->rvp.subnet_timeout)) / 1000; |
| 129 | ibp->rvp.trap_timeout = jiffies + usecs_to_jiffies(timeout); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 130 | } else { |
| 131 | ib_free_send_mad(send_buf); |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 132 | ibp->rvp.trap_timeout = 0; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 133 | } |
| 134 | } |
| 135 | |
| 136 | /* |
| 137 | * Send a bad [PQ]_Key trap (ch. 14.3.8). |
| 138 | */ |
| 139 | void qib_bad_pqkey(struct qib_ibport *ibp, __be16 trap_num, u32 key, u32 sl, |
| 140 | u32 qp1, u32 qp2, __be16 lid1, __be16 lid2) |
| 141 | { |
| 142 | struct ib_mad_notice_attr data; |
| 143 | |
| 144 | if (trap_num == IB_NOTICE_TRAP_BAD_PKEY) |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 145 | ibp->rvp.pkey_violations++; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 146 | else |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 147 | ibp->rvp.qkey_violations++; |
| 148 | ibp->rvp.n_pkt_drops++; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 149 | |
| 150 | /* Send violation trap */ |
| 151 | data.generic_type = IB_NOTICE_TYPE_SECURITY; |
| 152 | data.prod_type_msb = 0; |
| 153 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
| 154 | data.trap_num = trap_num; |
| 155 | data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid); |
| 156 | data.toggle_count = 0; |
Mike Marciniszyn | 041af0b | 2015-01-16 10:50:32 -0500 | [diff] [blame] | 157 | memset(&data.details, 0, sizeof(data.details)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 158 | data.details.ntc_257_258.lid1 = lid1; |
| 159 | data.details.ntc_257_258.lid2 = lid2; |
| 160 | data.details.ntc_257_258.key = cpu_to_be32(key); |
| 161 | data.details.ntc_257_258.sl_qp1 = cpu_to_be32((sl << 28) | qp1); |
| 162 | data.details.ntc_257_258.qp2 = cpu_to_be32(qp2); |
| 163 | |
Mike Marciniszyn | 041af0b | 2015-01-16 10:50:32 -0500 | [diff] [blame] | 164 | qib_send_trap(ibp, &data, sizeof(data)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 165 | } |
| 166 | |
| 167 | /* |
| 168 | * Send a bad M_Key trap (ch. 14.3.9). |
| 169 | */ |
| 170 | static void qib_bad_mkey(struct qib_ibport *ibp, struct ib_smp *smp) |
| 171 | { |
| 172 | struct ib_mad_notice_attr data; |
| 173 | |
| 174 | /* Send violation trap */ |
| 175 | data.generic_type = IB_NOTICE_TYPE_SECURITY; |
| 176 | data.prod_type_msb = 0; |
| 177 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
| 178 | data.trap_num = IB_NOTICE_TRAP_BAD_MKEY; |
| 179 | data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid); |
| 180 | data.toggle_count = 0; |
Mike Marciniszyn | 041af0b | 2015-01-16 10:50:32 -0500 | [diff] [blame] | 181 | memset(&data.details, 0, sizeof(data.details)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 182 | data.details.ntc_256.lid = data.issuer_lid; |
| 183 | data.details.ntc_256.method = smp->method; |
| 184 | data.details.ntc_256.attr_id = smp->attr_id; |
| 185 | data.details.ntc_256.attr_mod = smp->attr_mod; |
| 186 | data.details.ntc_256.mkey = smp->mkey; |
| 187 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) { |
| 188 | u8 hop_cnt; |
| 189 | |
| 190 | data.details.ntc_256.dr_slid = smp->dr_slid; |
| 191 | data.details.ntc_256.dr_trunc_hop = IB_NOTICE_TRAP_DR_NOTICE; |
| 192 | hop_cnt = smp->hop_cnt; |
| 193 | if (hop_cnt > ARRAY_SIZE(data.details.ntc_256.dr_rtn_path)) { |
| 194 | data.details.ntc_256.dr_trunc_hop |= |
| 195 | IB_NOTICE_TRAP_DR_TRUNC; |
| 196 | hop_cnt = ARRAY_SIZE(data.details.ntc_256.dr_rtn_path); |
| 197 | } |
| 198 | data.details.ntc_256.dr_trunc_hop |= hop_cnt; |
| 199 | memcpy(data.details.ntc_256.dr_rtn_path, smp->return_path, |
| 200 | hop_cnt); |
| 201 | } |
| 202 | |
Mike Marciniszyn | 041af0b | 2015-01-16 10:50:32 -0500 | [diff] [blame] | 203 | qib_send_trap(ibp, &data, sizeof(data)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | /* |
| 207 | * Send a Port Capability Mask Changed trap (ch. 14.3.11). |
| 208 | */ |
Harish Chegondi | 530a5d8 | 2016-02-03 14:20:52 -0800 | [diff] [blame] | 209 | void qib_cap_mask_chg(struct rvt_dev_info *rdi, u8 port_num) |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 210 | { |
Harish Chegondi | 530a5d8 | 2016-02-03 14:20:52 -0800 | [diff] [blame] | 211 | struct qib_ibdev *ibdev = container_of(rdi, struct qib_ibdev, rdi); |
| 212 | struct qib_devdata *dd = dd_from_dev(ibdev); |
| 213 | struct qib_ibport *ibp = &dd->pport[port_num - 1].ibport_data; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 214 | struct ib_mad_notice_attr data; |
| 215 | |
| 216 | data.generic_type = IB_NOTICE_TYPE_INFO; |
| 217 | data.prod_type_msb = 0; |
| 218 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
| 219 | data.trap_num = IB_NOTICE_TRAP_CAP_MASK_CHG; |
| 220 | data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid); |
| 221 | data.toggle_count = 0; |
Mike Marciniszyn | 041af0b | 2015-01-16 10:50:32 -0500 | [diff] [blame] | 222 | memset(&data.details, 0, sizeof(data.details)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 223 | data.details.ntc_144.lid = data.issuer_lid; |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 224 | data.details.ntc_144.new_cap_mask = |
| 225 | cpu_to_be32(ibp->rvp.port_cap_flags); |
Mike Marciniszyn | 041af0b | 2015-01-16 10:50:32 -0500 | [diff] [blame] | 226 | qib_send_trap(ibp, &data, sizeof(data)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | /* |
| 230 | * Send a System Image GUID Changed trap (ch. 14.3.12). |
| 231 | */ |
| 232 | void qib_sys_guid_chg(struct qib_ibport *ibp) |
| 233 | { |
| 234 | struct ib_mad_notice_attr data; |
| 235 | |
| 236 | data.generic_type = IB_NOTICE_TYPE_INFO; |
| 237 | data.prod_type_msb = 0; |
| 238 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
| 239 | data.trap_num = IB_NOTICE_TRAP_SYS_GUID_CHG; |
| 240 | data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid); |
| 241 | data.toggle_count = 0; |
Mike Marciniszyn | 041af0b | 2015-01-16 10:50:32 -0500 | [diff] [blame] | 242 | memset(&data.details, 0, sizeof(data.details)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 243 | data.details.ntc_145.lid = data.issuer_lid; |
| 244 | data.details.ntc_145.new_sys_guid = ib_qib_sys_image_guid; |
| 245 | |
Mike Marciniszyn | 041af0b | 2015-01-16 10:50:32 -0500 | [diff] [blame] | 246 | qib_send_trap(ibp, &data, sizeof(data)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | /* |
| 250 | * Send a Node Description Changed trap (ch. 14.3.13). |
| 251 | */ |
| 252 | void qib_node_desc_chg(struct qib_ibport *ibp) |
| 253 | { |
| 254 | struct ib_mad_notice_attr data; |
| 255 | |
| 256 | data.generic_type = IB_NOTICE_TYPE_INFO; |
| 257 | data.prod_type_msb = 0; |
| 258 | data.prod_type_lsb = IB_NOTICE_PROD_CA; |
| 259 | data.trap_num = IB_NOTICE_TRAP_CAP_MASK_CHG; |
| 260 | data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid); |
| 261 | data.toggle_count = 0; |
Mike Marciniszyn | 041af0b | 2015-01-16 10:50:32 -0500 | [diff] [blame] | 262 | memset(&data.details, 0, sizeof(data.details)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 263 | data.details.ntc_144.lid = data.issuer_lid; |
| 264 | data.details.ntc_144.local_changes = 1; |
| 265 | data.details.ntc_144.change_flags = IB_NOTICE_TRAP_NODE_DESC_CHG; |
| 266 | |
Mike Marciniszyn | 041af0b | 2015-01-16 10:50:32 -0500 | [diff] [blame] | 267 | qib_send_trap(ibp, &data, sizeof(data)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | static int subn_get_nodedescription(struct ib_smp *smp, |
| 271 | struct ib_device *ibdev) |
| 272 | { |
| 273 | if (smp->attr_mod) |
| 274 | smp->status |= IB_SMP_INVALID_FIELD; |
| 275 | |
| 276 | memcpy(smp->data, ibdev->node_desc, sizeof(smp->data)); |
| 277 | |
| 278 | return reply(smp); |
| 279 | } |
| 280 | |
| 281 | static int subn_get_nodeinfo(struct ib_smp *smp, struct ib_device *ibdev, |
| 282 | u8 port) |
| 283 | { |
| 284 | struct ib_node_info *nip = (struct ib_node_info *)&smp->data; |
| 285 | struct qib_devdata *dd = dd_from_ibdev(ibdev); |
| 286 | u32 vendor, majrev, minrev; |
| 287 | unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */ |
| 288 | |
| 289 | /* GUID 0 is illegal */ |
| 290 | if (smp->attr_mod || pidx >= dd->num_pports || |
| 291 | dd->pport[pidx].guid == 0) |
| 292 | smp->status |= IB_SMP_INVALID_FIELD; |
| 293 | else |
| 294 | nip->port_guid = dd->pport[pidx].guid; |
| 295 | |
| 296 | nip->base_version = 1; |
| 297 | nip->class_version = 1; |
| 298 | nip->node_type = 1; /* channel adapter */ |
| 299 | nip->num_ports = ibdev->phys_port_cnt; |
| 300 | /* This is already in network order */ |
| 301 | nip->sys_guid = ib_qib_sys_image_guid; |
| 302 | nip->node_guid = dd->pport->guid; /* Use first-port GUID as node */ |
| 303 | nip->partition_cap = cpu_to_be16(qib_get_npkeys(dd)); |
| 304 | nip->device_id = cpu_to_be16(dd->deviceid); |
| 305 | majrev = dd->majrev; |
| 306 | minrev = dd->minrev; |
| 307 | nip->revision = cpu_to_be32((majrev << 16) | minrev); |
| 308 | nip->local_port_num = port; |
| 309 | vendor = dd->vendorid; |
| 310 | nip->vendor_id[0] = QIB_SRC_OUI_1; |
| 311 | nip->vendor_id[1] = QIB_SRC_OUI_2; |
| 312 | nip->vendor_id[2] = QIB_SRC_OUI_3; |
| 313 | |
| 314 | return reply(smp); |
| 315 | } |
| 316 | |
| 317 | static int subn_get_guidinfo(struct ib_smp *smp, struct ib_device *ibdev, |
| 318 | u8 port) |
| 319 | { |
| 320 | struct qib_devdata *dd = dd_from_ibdev(ibdev); |
| 321 | u32 startgx = 8 * be32_to_cpu(smp->attr_mod); |
| 322 | __be64 *p = (__be64 *) smp->data; |
| 323 | unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */ |
| 324 | |
| 325 | /* 32 blocks of 8 64-bit GUIDs per block */ |
| 326 | |
| 327 | memset(smp->data, 0, sizeof(smp->data)); |
| 328 | |
| 329 | if (startgx == 0 && pidx < dd->num_pports) { |
| 330 | struct qib_pportdata *ppd = dd->pport + pidx; |
| 331 | struct qib_ibport *ibp = &ppd->ibport_data; |
| 332 | __be64 g = ppd->guid; |
| 333 | unsigned i; |
| 334 | |
| 335 | /* GUID 0 is illegal */ |
| 336 | if (g == 0) |
| 337 | smp->status |= IB_SMP_INVALID_FIELD; |
| 338 | else { |
| 339 | /* The first is a copy of the read-only HW GUID. */ |
| 340 | p[0] = g; |
| 341 | for (i = 1; i < QIB_GUIDS_PER_PORT; i++) |
| 342 | p[i] = ibp->guids[i - 1]; |
| 343 | } |
| 344 | } else |
| 345 | smp->status |= IB_SMP_INVALID_FIELD; |
| 346 | |
| 347 | return reply(smp); |
| 348 | } |
| 349 | |
| 350 | static void set_link_width_enabled(struct qib_pportdata *ppd, u32 w) |
| 351 | { |
| 352 | (void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LWID_ENB, w); |
| 353 | } |
| 354 | |
| 355 | static void set_link_speed_enabled(struct qib_pportdata *ppd, u32 s) |
| 356 | { |
| 357 | (void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_SPD_ENB, s); |
| 358 | } |
| 359 | |
| 360 | static int get_overrunthreshold(struct qib_pportdata *ppd) |
| 361 | { |
| 362 | return ppd->dd->f_get_ib_cfg(ppd, QIB_IB_CFG_OVERRUN_THRESH); |
| 363 | } |
| 364 | |
| 365 | /** |
| 366 | * set_overrunthreshold - set the overrun threshold |
| 367 | * @ppd: the physical port data |
| 368 | * @n: the new threshold |
| 369 | * |
| 370 | * Note that this will only take effect when the link state changes. |
| 371 | */ |
| 372 | static int set_overrunthreshold(struct qib_pportdata *ppd, unsigned n) |
| 373 | { |
| 374 | (void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_OVERRUN_THRESH, |
| 375 | (u32)n); |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | static int get_phyerrthreshold(struct qib_pportdata *ppd) |
| 380 | { |
| 381 | return ppd->dd->f_get_ib_cfg(ppd, QIB_IB_CFG_PHYERR_THRESH); |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * set_phyerrthreshold - set the physical error threshold |
| 386 | * @ppd: the physical port data |
| 387 | * @n: the new threshold |
| 388 | * |
| 389 | * Note that this will only take effect when the link state changes. |
| 390 | */ |
| 391 | static int set_phyerrthreshold(struct qib_pportdata *ppd, unsigned n) |
| 392 | { |
| 393 | (void) ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PHYERR_THRESH, |
| 394 | (u32)n); |
| 395 | return 0; |
| 396 | } |
| 397 | |
| 398 | /** |
| 399 | * get_linkdowndefaultstate - get the default linkdown state |
| 400 | * @ppd: the physical port data |
| 401 | * |
| 402 | * Returns zero if the default is POLL, 1 if the default is SLEEP. |
| 403 | */ |
| 404 | static int get_linkdowndefaultstate(struct qib_pportdata *ppd) |
| 405 | { |
| 406 | return ppd->dd->f_get_ib_cfg(ppd, QIB_IB_CFG_LINKDEFAULT) == |
| 407 | IB_LINKINITCMD_SLEEP; |
| 408 | } |
| 409 | |
| 410 | static int check_mkey(struct qib_ibport *ibp, struct ib_smp *smp, int mad_flags) |
| 411 | { |
Jim Foraker | 6199c89 | 2012-05-02 14:39:11 -0400 | [diff] [blame] | 412 | int valid_mkey = 0; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 413 | int ret = 0; |
| 414 | |
| 415 | /* Is the mkey in the process of expiring? */ |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 416 | if (ibp->rvp.mkey_lease_timeout && |
| 417 | time_after_eq(jiffies, ibp->rvp.mkey_lease_timeout)) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 418 | /* Clear timeout and mkey protection field. */ |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 419 | ibp->rvp.mkey_lease_timeout = 0; |
| 420 | ibp->rvp.mkeyprot = 0; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 421 | } |
| 422 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 423 | if ((mad_flags & IB_MAD_IGNORE_MKEY) || ibp->rvp.mkey == 0 || |
| 424 | ibp->rvp.mkey == smp->mkey) |
Jim Foraker | 6199c89 | 2012-05-02 14:39:11 -0400 | [diff] [blame] | 425 | valid_mkey = 1; |
| 426 | |
| 427 | /* Unset lease timeout on any valid Get/Set/TrapRepress */ |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 428 | if (valid_mkey && ibp->rvp.mkey_lease_timeout && |
Jim Foraker | 6199c89 | 2012-05-02 14:39:11 -0400 | [diff] [blame] | 429 | (smp->method == IB_MGMT_METHOD_GET || |
| 430 | smp->method == IB_MGMT_METHOD_SET || |
| 431 | smp->method == IB_MGMT_METHOD_TRAP_REPRESS)) |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 432 | ibp->rvp.mkey_lease_timeout = 0; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 433 | |
Jim Foraker | 6199c89 | 2012-05-02 14:39:11 -0400 | [diff] [blame] | 434 | if (!valid_mkey) { |
| 435 | switch (smp->method) { |
| 436 | case IB_MGMT_METHOD_GET: |
| 437 | /* Bad mkey not a violation below level 2 */ |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 438 | if (ibp->rvp.mkeyprot < 2) |
Jim Foraker | 6199c89 | 2012-05-02 14:39:11 -0400 | [diff] [blame] | 439 | break; |
| 440 | case IB_MGMT_METHOD_SET: |
| 441 | case IB_MGMT_METHOD_TRAP_REPRESS: |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 442 | if (ibp->rvp.mkey_violations != 0xFFFF) |
| 443 | ++ibp->rvp.mkey_violations; |
| 444 | if (!ibp->rvp.mkey_lease_timeout && |
| 445 | ibp->rvp.mkey_lease_period) |
| 446 | ibp->rvp.mkey_lease_timeout = jiffies + |
| 447 | ibp->rvp.mkey_lease_period * HZ; |
Jim Foraker | 6199c89 | 2012-05-02 14:39:11 -0400 | [diff] [blame] | 448 | /* Generate a trap notice. */ |
| 449 | qib_bad_mkey(ibp, smp); |
Jim Foraker | 3236b2d | 2012-05-02 14:57:23 -0400 | [diff] [blame] | 450 | ret = 1; |
Jim Foraker | 6199c89 | 2012-05-02 14:39:11 -0400 | [diff] [blame] | 451 | } |
| 452 | } |
| 453 | |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 454 | return ret; |
| 455 | } |
| 456 | |
| 457 | static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev, |
| 458 | u8 port) |
| 459 | { |
| 460 | struct qib_devdata *dd; |
| 461 | struct qib_pportdata *ppd; |
| 462 | struct qib_ibport *ibp; |
| 463 | struct ib_port_info *pip = (struct ib_port_info *)smp->data; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 464 | u8 mtu; |
| 465 | int ret; |
| 466 | u32 state; |
| 467 | u32 port_num = be32_to_cpu(smp->attr_mod); |
| 468 | |
| 469 | if (port_num == 0) |
| 470 | port_num = port; |
| 471 | else { |
| 472 | if (port_num > ibdev->phys_port_cnt) { |
| 473 | smp->status |= IB_SMP_INVALID_FIELD; |
| 474 | ret = reply(smp); |
| 475 | goto bail; |
| 476 | } |
| 477 | if (port_num != port) { |
| 478 | ibp = to_iport(ibdev, port_num); |
| 479 | ret = check_mkey(ibp, smp, 0); |
Mike Marciniszyn | 4c35500 | 2012-09-12 13:01:29 +0000 | [diff] [blame] | 480 | if (ret) { |
Jim Foraker | 3236b2d | 2012-05-02 14:57:23 -0400 | [diff] [blame] | 481 | ret = IB_MAD_RESULT_FAILURE; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 482 | goto bail; |
Mike Marciniszyn | 4c35500 | 2012-09-12 13:01:29 +0000 | [diff] [blame] | 483 | } |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 484 | } |
| 485 | } |
| 486 | |
| 487 | dd = dd_from_ibdev(ibdev); |
| 488 | /* IB numbers ports from 1, hdw from 0 */ |
| 489 | ppd = dd->pport + (port_num - 1); |
| 490 | ibp = &ppd->ibport_data; |
| 491 | |
| 492 | /* Clear all fields. Only set the non-zero fields. */ |
| 493 | memset(smp->data, 0, sizeof(smp->data)); |
| 494 | |
| 495 | /* Only return the mkey if the protection field allows it. */ |
Mitko Haralanov | 36b87b4 | 2011-03-04 18:53:17 +0000 | [diff] [blame] | 496 | if (!(smp->method == IB_MGMT_METHOD_GET && |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 497 | ibp->rvp.mkey != smp->mkey && |
| 498 | ibp->rvp.mkeyprot == 1)) |
| 499 | pip->mkey = ibp->rvp.mkey; |
| 500 | pip->gid_prefix = ibp->rvp.gid_prefix; |
Mike Marciniszyn | 520b3ee | 2012-02-25 17:45:50 -0800 | [diff] [blame] | 501 | pip->lid = cpu_to_be16(ppd->lid); |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 502 | pip->sm_lid = cpu_to_be16(ibp->rvp.sm_lid); |
| 503 | pip->cap_mask = cpu_to_be32(ibp->rvp.port_cap_flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 504 | /* pip->diag_code; */ |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 505 | pip->mkey_lease_period = cpu_to_be16(ibp->rvp.mkey_lease_period); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 506 | pip->local_port_num = port; |
| 507 | pip->link_width_enabled = ppd->link_width_enabled; |
| 508 | pip->link_width_supported = ppd->link_width_supported; |
| 509 | pip->link_width_active = ppd->link_width_active; |
| 510 | state = dd->f_iblink_state(ppd->lastibcstat); |
| 511 | pip->linkspeed_portstate = ppd->link_speed_supported << 4 | state; |
| 512 | |
| 513 | pip->portphysstate_linkdown = |
| 514 | (dd->f_ibphys_portstate(ppd->lastibcstat) << 4) | |
| 515 | (get_linkdowndefaultstate(ppd) ? 1 : 2); |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 516 | pip->mkeyprot_resv_lmc = (ibp->rvp.mkeyprot << 6) | ppd->lmc; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 517 | pip->linkspeedactive_enabled = (ppd->link_speed_active << 4) | |
| 518 | ppd->link_speed_enabled; |
| 519 | switch (ppd->ibmtu) { |
| 520 | default: /* something is wrong; fall through */ |
| 521 | case 4096: |
| 522 | mtu = IB_MTU_4096; |
| 523 | break; |
| 524 | case 2048: |
| 525 | mtu = IB_MTU_2048; |
| 526 | break; |
| 527 | case 1024: |
| 528 | mtu = IB_MTU_1024; |
| 529 | break; |
| 530 | case 512: |
| 531 | mtu = IB_MTU_512; |
| 532 | break; |
| 533 | case 256: |
| 534 | mtu = IB_MTU_256; |
| 535 | break; |
| 536 | } |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 537 | pip->neighbormtu_mastersmsl = (mtu << 4) | ibp->rvp.sm_sl; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 538 | pip->vlcap_inittype = ppd->vls_supported << 4; /* InitType = 0 */ |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 539 | pip->vl_high_limit = ibp->rvp.vl_high_limit; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 540 | pip->vl_arb_high_cap = |
| 541 | dd->f_get_ib_cfg(ppd, QIB_IB_CFG_VL_HIGH_CAP); |
| 542 | pip->vl_arb_low_cap = |
| 543 | dd->f_get_ib_cfg(ppd, QIB_IB_CFG_VL_LOW_CAP); |
| 544 | /* InitTypeReply = 0 */ |
| 545 | pip->inittypereply_mtucap = qib_ibmtu ? qib_ibmtu : IB_MTU_4096; |
| 546 | /* HCAs ignore VLStallCount and HOQLife */ |
| 547 | /* pip->vlstallcnt_hoqlife; */ |
| 548 | pip->operationalvl_pei_peo_fpi_fpo = |
| 549 | dd->f_get_ib_cfg(ppd, QIB_IB_CFG_OP_VLS) << 4; |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 550 | pip->mkey_violations = cpu_to_be16(ibp->rvp.mkey_violations); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 551 | /* P_KeyViolations are counted by hardware. */ |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 552 | pip->pkey_violations = cpu_to_be16(ibp->rvp.pkey_violations); |
| 553 | pip->qkey_violations = cpu_to_be16(ibp->rvp.qkey_violations); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 554 | /* Only the hardware GUID is supported for now */ |
| 555 | pip->guid_cap = QIB_GUIDS_PER_PORT; |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 556 | pip->clientrereg_resv_subnetto = ibp->rvp.subnet_timeout; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 557 | /* 32.768 usec. response time (guessing) */ |
| 558 | pip->resv_resptimevalue = 3; |
| 559 | pip->localphyerrors_overrunerrors = |
| 560 | (get_phyerrthreshold(ppd) << 4) | |
| 561 | get_overrunthreshold(ppd); |
| 562 | /* pip->max_credit_hint; */ |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 563 | if (ibp->rvp.port_cap_flags & IB_PORT_LINK_LATENCY_SUP) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 564 | u32 v; |
| 565 | |
| 566 | v = dd->f_get_ib_cfg(ppd, QIB_IB_CFG_LINKLATENCY); |
| 567 | pip->link_roundtrip_latency[0] = v >> 16; |
| 568 | pip->link_roundtrip_latency[1] = v >> 8; |
| 569 | pip->link_roundtrip_latency[2] = v; |
| 570 | } |
| 571 | |
| 572 | ret = reply(smp); |
| 573 | |
| 574 | bail: |
| 575 | return ret; |
| 576 | } |
| 577 | |
| 578 | /** |
| 579 | * get_pkeys - return the PKEY table |
| 580 | * @dd: the qlogic_ib device |
| 581 | * @port: the IB port number |
| 582 | * @pkeys: the pkey table is placed here |
| 583 | */ |
| 584 | static int get_pkeys(struct qib_devdata *dd, u8 port, u16 *pkeys) |
| 585 | { |
| 586 | struct qib_pportdata *ppd = dd->pport + port - 1; |
| 587 | /* |
| 588 | * always a kernel context, no locking needed. |
| 589 | * If we get here with ppd setup, no need to check |
| 590 | * that pd is valid. |
| 591 | */ |
| 592 | struct qib_ctxtdata *rcd = dd->rcd[ppd->hw_pidx]; |
| 593 | |
| 594 | memcpy(pkeys, rcd->pkeys, sizeof(rcd->pkeys)); |
| 595 | |
| 596 | return 0; |
| 597 | } |
| 598 | |
| 599 | static int subn_get_pkeytable(struct ib_smp *smp, struct ib_device *ibdev, |
| 600 | u8 port) |
| 601 | { |
| 602 | u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); |
| 603 | u16 *p = (u16 *) smp->data; |
| 604 | __be16 *q = (__be16 *) smp->data; |
| 605 | |
| 606 | /* 64 blocks of 32 16-bit P_Key entries */ |
| 607 | |
| 608 | memset(smp->data, 0, sizeof(smp->data)); |
| 609 | if (startpx == 0) { |
| 610 | struct qib_devdata *dd = dd_from_ibdev(ibdev); |
| 611 | unsigned i, n = qib_get_npkeys(dd); |
| 612 | |
| 613 | get_pkeys(dd, port, p); |
| 614 | |
| 615 | for (i = 0; i < n; i++) |
| 616 | q[i] = cpu_to_be16(p[i]); |
| 617 | } else |
| 618 | smp->status |= IB_SMP_INVALID_FIELD; |
| 619 | |
| 620 | return reply(smp); |
| 621 | } |
| 622 | |
| 623 | static int subn_set_guidinfo(struct ib_smp *smp, struct ib_device *ibdev, |
| 624 | u8 port) |
| 625 | { |
| 626 | struct qib_devdata *dd = dd_from_ibdev(ibdev); |
| 627 | u32 startgx = 8 * be32_to_cpu(smp->attr_mod); |
| 628 | __be64 *p = (__be64 *) smp->data; |
| 629 | unsigned pidx = port - 1; /* IB number port from 1, hdw from 0 */ |
| 630 | |
| 631 | /* 32 blocks of 8 64-bit GUIDs per block */ |
| 632 | |
| 633 | if (startgx == 0 && pidx < dd->num_pports) { |
| 634 | struct qib_pportdata *ppd = dd->pport + pidx; |
| 635 | struct qib_ibport *ibp = &ppd->ibport_data; |
| 636 | unsigned i; |
| 637 | |
| 638 | /* The first entry is read-only. */ |
| 639 | for (i = 1; i < QIB_GUIDS_PER_PORT; i++) |
| 640 | ibp->guids[i - 1] = p[i]; |
| 641 | } else |
| 642 | smp->status |= IB_SMP_INVALID_FIELD; |
| 643 | |
| 644 | /* The only GUID we support is the first read-only entry. */ |
| 645 | return subn_get_guidinfo(smp, ibdev, port); |
| 646 | } |
| 647 | |
| 648 | /** |
| 649 | * subn_set_portinfo - set port information |
| 650 | * @smp: the incoming SM packet |
| 651 | * @ibdev: the infiniband device |
| 652 | * @port: the port on the device |
| 653 | * |
| 654 | * Set Portinfo (see ch. 14.2.5.6). |
| 655 | */ |
| 656 | static int subn_set_portinfo(struct ib_smp *smp, struct ib_device *ibdev, |
| 657 | u8 port) |
| 658 | { |
| 659 | struct ib_port_info *pip = (struct ib_port_info *)smp->data; |
| 660 | struct ib_event event; |
| 661 | struct qib_devdata *dd; |
| 662 | struct qib_pportdata *ppd; |
| 663 | struct qib_ibport *ibp; |
Todd Rimmer | 4ccf28a | 2012-05-02 14:35:18 -0400 | [diff] [blame] | 664 | u8 clientrereg = (pip->clientrereg_resv_subnetto & 0x80); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 665 | unsigned long flags; |
| 666 | u16 lid, smlid; |
| 667 | u8 lwe; |
| 668 | u8 lse; |
| 669 | u8 state; |
| 670 | u8 vls; |
| 671 | u8 msl; |
| 672 | u16 lstate; |
| 673 | int ret, ore, mtu; |
| 674 | u32 port_num = be32_to_cpu(smp->attr_mod); |
| 675 | |
| 676 | if (port_num == 0) |
| 677 | port_num = port; |
| 678 | else { |
| 679 | if (port_num > ibdev->phys_port_cnt) |
| 680 | goto err; |
| 681 | /* Port attributes can only be set on the receiving port */ |
| 682 | if (port_num != port) |
| 683 | goto get_only; |
| 684 | } |
| 685 | |
| 686 | dd = dd_from_ibdev(ibdev); |
| 687 | /* IB numbers ports from 1, hdw from 0 */ |
| 688 | ppd = dd->pport + (port_num - 1); |
| 689 | ibp = &ppd->ibport_data; |
| 690 | event.device = ibdev; |
| 691 | event.element.port_num = port; |
| 692 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 693 | ibp->rvp.mkey = pip->mkey; |
| 694 | ibp->rvp.gid_prefix = pip->gid_prefix; |
| 695 | ibp->rvp.mkey_lease_period = be16_to_cpu(pip->mkey_lease_period); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 696 | |
| 697 | lid = be16_to_cpu(pip->lid); |
| 698 | /* Must be a valid unicast LID address. */ |
Dennis Dalessandro | 9ff198f | 2016-01-22 12:44:53 -0800 | [diff] [blame] | 699 | if (lid == 0 || lid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 700 | smp->status |= IB_SMP_INVALID_FIELD; |
| 701 | else if (ppd->lid != lid || ppd->lmc != (pip->mkeyprot_resv_lmc & 7)) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 702 | if (ppd->lid != lid) |
| 703 | qib_set_uevent_bits(ppd, _QIB_EVENT_LID_CHANGE_BIT); |
| 704 | if (ppd->lmc != (pip->mkeyprot_resv_lmc & 7)) |
| 705 | qib_set_uevent_bits(ppd, _QIB_EVENT_LMC_CHANGE_BIT); |
| 706 | qib_set_lid(ppd, lid, pip->mkeyprot_resv_lmc & 7); |
| 707 | event.event = IB_EVENT_LID_CHANGE; |
| 708 | ib_dispatch_event(&event); |
| 709 | } |
| 710 | |
| 711 | smlid = be16_to_cpu(pip->sm_lid); |
| 712 | msl = pip->neighbormtu_mastersmsl & 0xF; |
| 713 | /* Must be a valid unicast LID address. */ |
Dennis Dalessandro | 9ff198f | 2016-01-22 12:44:53 -0800 | [diff] [blame] | 714 | if (smlid == 0 || smlid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 715 | smp->status |= IB_SMP_INVALID_FIELD; |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 716 | else if (smlid != ibp->rvp.sm_lid || msl != ibp->rvp.sm_sl) { |
| 717 | spin_lock_irqsave(&ibp->rvp.lock, flags); |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 718 | if (ibp->rvp.sm_ah) { |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 719 | if (smlid != ibp->rvp.sm_lid) |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 720 | ibp->rvp.sm_ah->attr.dlid = smlid; |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 721 | if (msl != ibp->rvp.sm_sl) |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 722 | ibp->rvp.sm_ah->attr.sl = msl; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 723 | } |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 724 | spin_unlock_irqrestore(&ibp->rvp.lock, flags); |
| 725 | if (smlid != ibp->rvp.sm_lid) |
| 726 | ibp->rvp.sm_lid = smlid; |
| 727 | if (msl != ibp->rvp.sm_sl) |
| 728 | ibp->rvp.sm_sl = msl; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 729 | event.event = IB_EVENT_SM_CHANGE; |
| 730 | ib_dispatch_event(&event); |
| 731 | } |
| 732 | |
| 733 | /* Allow 1x or 4x to be set (see 14.2.6.6). */ |
| 734 | lwe = pip->link_width_enabled; |
| 735 | if (lwe) { |
| 736 | if (lwe == 0xFF) |
Mitko Haralanov | cc7fb05 | 2011-02-22 16:56:37 -0800 | [diff] [blame] | 737 | set_link_width_enabled(ppd, ppd->link_width_supported); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 738 | else if (lwe >= 16 || (lwe & ~ppd->link_width_supported)) |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 739 | smp->status |= IB_SMP_INVALID_FIELD; |
| 740 | else if (lwe != ppd->link_width_enabled) |
| 741 | set_link_width_enabled(ppd, lwe); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | lse = pip->linkspeedactive_enabled & 0xF; |
| 745 | if (lse) { |
| 746 | /* |
| 747 | * The IB 1.2 spec. only allows link speed values |
| 748 | * 1, 3, 5, 7, 15. 1.2.1 extended to allow specific |
| 749 | * speeds. |
| 750 | */ |
| 751 | if (lse == 15) |
Mitko Haralanov | cc7fb05 | 2011-02-22 16:56:37 -0800 | [diff] [blame] | 752 | set_link_speed_enabled(ppd, |
| 753 | ppd->link_speed_supported); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 754 | else if (lse >= 8 || (lse & ~ppd->link_speed_supported)) |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 755 | smp->status |= IB_SMP_INVALID_FIELD; |
| 756 | else if (lse != ppd->link_speed_enabled) |
| 757 | set_link_speed_enabled(ppd, lse); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 758 | } |
| 759 | |
| 760 | /* Set link down default state. */ |
| 761 | switch (pip->portphysstate_linkdown & 0xF) { |
| 762 | case 0: /* NOP */ |
| 763 | break; |
| 764 | case 1: /* SLEEP */ |
| 765 | (void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LINKDEFAULT, |
| 766 | IB_LINKINITCMD_SLEEP); |
| 767 | break; |
| 768 | case 2: /* POLL */ |
| 769 | (void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_LINKDEFAULT, |
| 770 | IB_LINKINITCMD_POLL); |
| 771 | break; |
| 772 | default: |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 773 | smp->status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 774 | } |
| 775 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 776 | ibp->rvp.mkeyprot = pip->mkeyprot_resv_lmc >> 6; |
| 777 | ibp->rvp.vl_high_limit = pip->vl_high_limit; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 778 | (void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_VL_HIGH_LIMIT, |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 779 | ibp->rvp.vl_high_limit); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 780 | |
| 781 | mtu = ib_mtu_enum_to_int((pip->neighbormtu_mastersmsl >> 4) & 0xF); |
| 782 | if (mtu == -1) |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 783 | smp->status |= IB_SMP_INVALID_FIELD; |
| 784 | else |
| 785 | qib_set_mtu(ppd, mtu); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 786 | |
| 787 | /* Set operational VLs */ |
| 788 | vls = (pip->operationalvl_pei_peo_fpi_fpo >> 4) & 0xF; |
| 789 | if (vls) { |
| 790 | if (vls > ppd->vls_supported) |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 791 | smp->status |= IB_SMP_INVALID_FIELD; |
| 792 | else |
| 793 | (void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_OP_VLS, vls); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 794 | } |
| 795 | |
| 796 | if (pip->mkey_violations == 0) |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 797 | ibp->rvp.mkey_violations = 0; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 798 | |
| 799 | if (pip->pkey_violations == 0) |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 800 | ibp->rvp.pkey_violations = 0; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 801 | |
| 802 | if (pip->qkey_violations == 0) |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 803 | ibp->rvp.qkey_violations = 0; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 804 | |
| 805 | ore = pip->localphyerrors_overrunerrors; |
| 806 | if (set_phyerrthreshold(ppd, (ore >> 4) & 0xF)) |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 807 | smp->status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 808 | |
| 809 | if (set_overrunthreshold(ppd, (ore & 0xF))) |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 810 | smp->status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 811 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 812 | ibp->rvp.subnet_timeout = pip->clientrereg_resv_subnetto & 0x1F; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 813 | |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 814 | /* |
| 815 | * Do the port state change now that the other link parameters |
| 816 | * have been set. |
| 817 | * Changing the port physical state only makes sense if the link |
| 818 | * is down or is being set to down. |
| 819 | */ |
| 820 | state = pip->linkspeed_portstate & 0xF; |
| 821 | lstate = (pip->portphysstate_linkdown >> 4) & 0xF; |
| 822 | if (lstate && !(state == IB_PORT_DOWN || state == IB_PORT_NOP)) |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 823 | smp->status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 824 | |
| 825 | /* |
| 826 | * Only state changes of DOWN, ARM, and ACTIVE are valid |
| 827 | * and must be in the correct state to take effect (see 7.2.6). |
| 828 | */ |
| 829 | switch (state) { |
| 830 | case IB_PORT_NOP: |
| 831 | if (lstate == 0) |
| 832 | break; |
| 833 | /* FALLTHROUGH */ |
| 834 | case IB_PORT_DOWN: |
| 835 | if (lstate == 0) |
| 836 | lstate = QIB_IB_LINKDOWN_ONLY; |
| 837 | else if (lstate == 1) |
| 838 | lstate = QIB_IB_LINKDOWN_SLEEP; |
| 839 | else if (lstate == 2) |
| 840 | lstate = QIB_IB_LINKDOWN; |
| 841 | else if (lstate == 3) |
| 842 | lstate = QIB_IB_LINKDOWN_DISABLE; |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 843 | else { |
| 844 | smp->status |= IB_SMP_INVALID_FIELD; |
| 845 | break; |
| 846 | } |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 847 | spin_lock_irqsave(&ppd->lflags_lock, flags); |
| 848 | ppd->lflags &= ~QIBL_LINKV; |
| 849 | spin_unlock_irqrestore(&ppd->lflags_lock, flags); |
| 850 | qib_set_linkstate(ppd, lstate); |
| 851 | /* |
| 852 | * Don't send a reply if the response would be sent |
| 853 | * through the disabled port. |
| 854 | */ |
| 855 | if (lstate == QIB_IB_LINKDOWN_DISABLE && smp->hop_cnt) { |
| 856 | ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
| 857 | goto done; |
| 858 | } |
| 859 | qib_wait_linkstate(ppd, QIBL_LINKV, 10); |
| 860 | break; |
| 861 | case IB_PORT_ARMED: |
| 862 | qib_set_linkstate(ppd, QIB_IB_LINKARM); |
| 863 | break; |
| 864 | case IB_PORT_ACTIVE: |
| 865 | qib_set_linkstate(ppd, QIB_IB_LINKACTIVE); |
| 866 | break; |
| 867 | default: |
Mike Marciniszyn | 3c9e5f4 | 2011-01-10 17:42:19 -0800 | [diff] [blame] | 868 | smp->status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 869 | } |
| 870 | |
Todd Rimmer | 4ccf28a | 2012-05-02 14:35:18 -0400 | [diff] [blame] | 871 | if (clientrereg) { |
| 872 | event.event = IB_EVENT_CLIENT_REREGISTER; |
| 873 | ib_dispatch_event(&event); |
| 874 | } |
| 875 | |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 876 | ret = subn_get_portinfo(smp, ibdev, port); |
| 877 | |
Todd Rimmer | 4ccf28a | 2012-05-02 14:35:18 -0400 | [diff] [blame] | 878 | /* restore re-reg bit per o14-12.2.1 */ |
| 879 | pip->clientrereg_resv_subnetto |= clientrereg; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 880 | |
Mitko Haralanov | cc7fb05 | 2011-02-22 16:56:37 -0800 | [diff] [blame] | 881 | goto get_only; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 882 | |
| 883 | err: |
| 884 | smp->status |= IB_SMP_INVALID_FIELD; |
| 885 | get_only: |
| 886 | ret = subn_get_portinfo(smp, ibdev, port); |
| 887 | done: |
| 888 | return ret; |
| 889 | } |
| 890 | |
| 891 | /** |
| 892 | * rm_pkey - decrecment the reference count for the given PKEY |
| 893 | * @dd: the qlogic_ib device |
| 894 | * @key: the PKEY index |
| 895 | * |
| 896 | * Return true if this was the last reference and the hardware table entry |
| 897 | * needs to be changed. |
| 898 | */ |
| 899 | static int rm_pkey(struct qib_pportdata *ppd, u16 key) |
| 900 | { |
| 901 | int i; |
| 902 | int ret; |
| 903 | |
| 904 | for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) { |
| 905 | if (ppd->pkeys[i] != key) |
| 906 | continue; |
| 907 | if (atomic_dec_and_test(&ppd->pkeyrefs[i])) { |
| 908 | ppd->pkeys[i] = 0; |
| 909 | ret = 1; |
| 910 | goto bail; |
| 911 | } |
| 912 | break; |
| 913 | } |
| 914 | |
| 915 | ret = 0; |
| 916 | |
| 917 | bail: |
| 918 | return ret; |
| 919 | } |
| 920 | |
| 921 | /** |
| 922 | * add_pkey - add the given PKEY to the hardware table |
| 923 | * @dd: the qlogic_ib device |
| 924 | * @key: the PKEY |
| 925 | * |
| 926 | * Return an error code if unable to add the entry, zero if no change, |
| 927 | * or 1 if the hardware PKEY register needs to be updated. |
| 928 | */ |
| 929 | static int add_pkey(struct qib_pportdata *ppd, u16 key) |
| 930 | { |
| 931 | int i; |
| 932 | u16 lkey = key & 0x7FFF; |
| 933 | int any = 0; |
| 934 | int ret; |
| 935 | |
| 936 | if (lkey == 0x7FFF) { |
| 937 | ret = 0; |
| 938 | goto bail; |
| 939 | } |
| 940 | |
| 941 | /* Look for an empty slot or a matching PKEY. */ |
| 942 | for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) { |
| 943 | if (!ppd->pkeys[i]) { |
| 944 | any++; |
| 945 | continue; |
| 946 | } |
| 947 | /* If it matches exactly, try to increment the ref count */ |
| 948 | if (ppd->pkeys[i] == key) { |
| 949 | if (atomic_inc_return(&ppd->pkeyrefs[i]) > 1) { |
| 950 | ret = 0; |
| 951 | goto bail; |
| 952 | } |
| 953 | /* Lost the race. Look for an empty slot below. */ |
| 954 | atomic_dec(&ppd->pkeyrefs[i]); |
| 955 | any++; |
| 956 | } |
| 957 | /* |
| 958 | * It makes no sense to have both the limited and unlimited |
| 959 | * PKEY set at the same time since the unlimited one will |
| 960 | * disable the limited one. |
| 961 | */ |
| 962 | if ((ppd->pkeys[i] & 0x7FFF) == lkey) { |
| 963 | ret = -EEXIST; |
| 964 | goto bail; |
| 965 | } |
| 966 | } |
| 967 | if (!any) { |
| 968 | ret = -EBUSY; |
| 969 | goto bail; |
| 970 | } |
| 971 | for (i = 0; i < ARRAY_SIZE(ppd->pkeys); i++) { |
| 972 | if (!ppd->pkeys[i] && |
| 973 | atomic_inc_return(&ppd->pkeyrefs[i]) == 1) { |
| 974 | /* for qibstats, etc. */ |
| 975 | ppd->pkeys[i] = key; |
| 976 | ret = 1; |
| 977 | goto bail; |
| 978 | } |
| 979 | } |
| 980 | ret = -EBUSY; |
| 981 | |
| 982 | bail: |
| 983 | return ret; |
| 984 | } |
| 985 | |
| 986 | /** |
| 987 | * set_pkeys - set the PKEY table for ctxt 0 |
| 988 | * @dd: the qlogic_ib device |
| 989 | * @port: the IB port number |
| 990 | * @pkeys: the PKEY table |
| 991 | */ |
| 992 | static int set_pkeys(struct qib_devdata *dd, u8 port, u16 *pkeys) |
| 993 | { |
| 994 | struct qib_pportdata *ppd; |
| 995 | struct qib_ctxtdata *rcd; |
| 996 | int i; |
| 997 | int changed = 0; |
| 998 | |
| 999 | /* |
| 1000 | * IB port one/two always maps to context zero/one, |
| 1001 | * always a kernel context, no locking needed |
| 1002 | * If we get here with ppd setup, no need to check |
| 1003 | * that rcd is valid. |
| 1004 | */ |
| 1005 | ppd = dd->pport + (port - 1); |
| 1006 | rcd = dd->rcd[ppd->hw_pidx]; |
| 1007 | |
| 1008 | for (i = 0; i < ARRAY_SIZE(rcd->pkeys); i++) { |
| 1009 | u16 key = pkeys[i]; |
| 1010 | u16 okey = rcd->pkeys[i]; |
| 1011 | |
| 1012 | if (key == okey) |
| 1013 | continue; |
| 1014 | /* |
| 1015 | * The value of this PKEY table entry is changing. |
| 1016 | * Remove the old entry in the hardware's array of PKEYs. |
| 1017 | */ |
| 1018 | if (okey & 0x7FFF) |
| 1019 | changed |= rm_pkey(ppd, okey); |
| 1020 | if (key & 0x7FFF) { |
| 1021 | int ret = add_pkey(ppd, key); |
| 1022 | |
| 1023 | if (ret < 0) |
| 1024 | key = 0; |
| 1025 | else |
| 1026 | changed |= ret; |
| 1027 | } |
| 1028 | rcd->pkeys[i] = key; |
| 1029 | } |
| 1030 | if (changed) { |
| 1031 | struct ib_event event; |
| 1032 | |
| 1033 | (void) dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PKEYS, 0); |
| 1034 | |
| 1035 | event.event = IB_EVENT_PKEY_CHANGE; |
Dennis Dalessandro | 2dc05ab | 2016-01-22 12:44:29 -0800 | [diff] [blame] | 1036 | event.device = &dd->verbs_dev.rdi.ibdev; |
Mike Marciniszyn | 911eccd | 2014-05-02 11:28:04 -0400 | [diff] [blame] | 1037 | event.element.port_num = port; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1038 | ib_dispatch_event(&event); |
| 1039 | } |
| 1040 | return 0; |
| 1041 | } |
| 1042 | |
| 1043 | static int subn_set_pkeytable(struct ib_smp *smp, struct ib_device *ibdev, |
| 1044 | u8 port) |
| 1045 | { |
| 1046 | u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); |
| 1047 | __be16 *p = (__be16 *) smp->data; |
| 1048 | u16 *q = (u16 *) smp->data; |
| 1049 | struct qib_devdata *dd = dd_from_ibdev(ibdev); |
| 1050 | unsigned i, n = qib_get_npkeys(dd); |
| 1051 | |
| 1052 | for (i = 0; i < n; i++) |
| 1053 | q[i] = be16_to_cpu(p[i]); |
| 1054 | |
| 1055 | if (startpx != 0 || set_pkeys(dd, port, q) != 0) |
| 1056 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1057 | |
| 1058 | return subn_get_pkeytable(smp, ibdev, port); |
| 1059 | } |
| 1060 | |
| 1061 | static int subn_get_sl_to_vl(struct ib_smp *smp, struct ib_device *ibdev, |
| 1062 | u8 port) |
| 1063 | { |
| 1064 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1065 | u8 *p = (u8 *) smp->data; |
| 1066 | unsigned i; |
| 1067 | |
| 1068 | memset(smp->data, 0, sizeof(smp->data)); |
| 1069 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1070 | if (!(ibp->rvp.port_cap_flags & IB_PORT_SL_MAP_SUP)) |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1071 | smp->status |= IB_SMP_UNSUP_METHOD; |
| 1072 | else |
| 1073 | for (i = 0; i < ARRAY_SIZE(ibp->sl_to_vl); i += 2) |
| 1074 | *p++ = (ibp->sl_to_vl[i] << 4) | ibp->sl_to_vl[i + 1]; |
| 1075 | |
| 1076 | return reply(smp); |
| 1077 | } |
| 1078 | |
| 1079 | static int subn_set_sl_to_vl(struct ib_smp *smp, struct ib_device *ibdev, |
| 1080 | u8 port) |
| 1081 | { |
| 1082 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1083 | u8 *p = (u8 *) smp->data; |
| 1084 | unsigned i; |
| 1085 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1086 | if (!(ibp->rvp.port_cap_flags & IB_PORT_SL_MAP_SUP)) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1087 | smp->status |= IB_SMP_UNSUP_METHOD; |
| 1088 | return reply(smp); |
| 1089 | } |
| 1090 | |
| 1091 | for (i = 0; i < ARRAY_SIZE(ibp->sl_to_vl); i += 2, p++) { |
| 1092 | ibp->sl_to_vl[i] = *p >> 4; |
| 1093 | ibp->sl_to_vl[i + 1] = *p & 0xF; |
| 1094 | } |
| 1095 | qib_set_uevent_bits(ppd_from_ibp(to_iport(ibdev, port)), |
| 1096 | _QIB_EVENT_SL2VL_CHANGE_BIT); |
| 1097 | |
| 1098 | return subn_get_sl_to_vl(smp, ibdev, port); |
| 1099 | } |
| 1100 | |
| 1101 | static int subn_get_vl_arb(struct ib_smp *smp, struct ib_device *ibdev, |
| 1102 | u8 port) |
| 1103 | { |
| 1104 | unsigned which = be32_to_cpu(smp->attr_mod) >> 16; |
| 1105 | struct qib_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port)); |
| 1106 | |
| 1107 | memset(smp->data, 0, sizeof(smp->data)); |
| 1108 | |
| 1109 | if (ppd->vls_supported == IB_VL_VL0) |
| 1110 | smp->status |= IB_SMP_UNSUP_METHOD; |
| 1111 | else if (which == IB_VLARB_LOWPRI_0_31) |
| 1112 | (void) ppd->dd->f_get_ib_table(ppd, QIB_IB_TBL_VL_LOW_ARB, |
| 1113 | smp->data); |
| 1114 | else if (which == IB_VLARB_HIGHPRI_0_31) |
| 1115 | (void) ppd->dd->f_get_ib_table(ppd, QIB_IB_TBL_VL_HIGH_ARB, |
| 1116 | smp->data); |
| 1117 | else |
| 1118 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1119 | |
| 1120 | return reply(smp); |
| 1121 | } |
| 1122 | |
| 1123 | static int subn_set_vl_arb(struct ib_smp *smp, struct ib_device *ibdev, |
| 1124 | u8 port) |
| 1125 | { |
| 1126 | unsigned which = be32_to_cpu(smp->attr_mod) >> 16; |
| 1127 | struct qib_pportdata *ppd = ppd_from_ibp(to_iport(ibdev, port)); |
| 1128 | |
| 1129 | if (ppd->vls_supported == IB_VL_VL0) |
| 1130 | smp->status |= IB_SMP_UNSUP_METHOD; |
| 1131 | else if (which == IB_VLARB_LOWPRI_0_31) |
| 1132 | (void) ppd->dd->f_set_ib_table(ppd, QIB_IB_TBL_VL_LOW_ARB, |
| 1133 | smp->data); |
| 1134 | else if (which == IB_VLARB_HIGHPRI_0_31) |
| 1135 | (void) ppd->dd->f_set_ib_table(ppd, QIB_IB_TBL_VL_HIGH_ARB, |
| 1136 | smp->data); |
| 1137 | else |
| 1138 | smp->status |= IB_SMP_INVALID_FIELD; |
| 1139 | |
| 1140 | return subn_get_vl_arb(smp, ibdev, port); |
| 1141 | } |
| 1142 | |
| 1143 | static int subn_trap_repress(struct ib_smp *smp, struct ib_device *ibdev, |
| 1144 | u8 port) |
| 1145 | { |
| 1146 | /* |
| 1147 | * For now, we only send the trap once so no need to process this. |
| 1148 | * o13-6, o13-7, |
| 1149 | * o14-3.a4 The SMA shall not send any message in response to a valid |
| 1150 | * SubnTrapRepress() message. |
| 1151 | */ |
| 1152 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
| 1153 | } |
| 1154 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1155 | static int pma_get_classportinfo(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1156 | struct ib_device *ibdev) |
| 1157 | { |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1158 | struct ib_class_port_info *p = |
| 1159 | (struct ib_class_port_info *)pmp->data; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1160 | struct qib_devdata *dd = dd_from_ibdev(ibdev); |
| 1161 | |
| 1162 | memset(pmp->data, 0, sizeof(pmp->data)); |
| 1163 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1164 | if (pmp->mad_hdr.attr_mod != 0) |
| 1165 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1166 | |
| 1167 | /* Note that AllPortSelect is not valid */ |
| 1168 | p->base_version = 1; |
| 1169 | p->class_version = 1; |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1170 | p->capability_mask = IB_PMA_CLASS_CAP_EXT_WIDTH; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1171 | /* |
| 1172 | * Set the most significant bit of CM2 to indicate support for |
| 1173 | * congestion statistics |
| 1174 | */ |
Erez Shitrit | 507f6af | 2016-05-25 22:02:04 +0300 | [diff] [blame] | 1175 | ib_set_cpi_capmask2(p, |
| 1176 | dd->psxmitwait_supported << |
| 1177 | (31 - IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE)); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1178 | /* |
| 1179 | * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec. |
| 1180 | */ |
Erez Shitrit | 507f6af | 2016-05-25 22:02:04 +0300 | [diff] [blame] | 1181 | ib_set_cpi_resp_time(p, 18); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1182 | |
| 1183 | return reply((struct ib_smp *) pmp); |
| 1184 | } |
| 1185 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1186 | static int pma_get_portsamplescontrol(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1187 | struct ib_device *ibdev, u8 port) |
| 1188 | { |
| 1189 | struct ib_pma_portsamplescontrol *p = |
| 1190 | (struct ib_pma_portsamplescontrol *)pmp->data; |
| 1191 | struct qib_ibdev *dev = to_idev(ibdev); |
| 1192 | struct qib_devdata *dd = dd_from_dev(dev); |
| 1193 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1194 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1195 | unsigned long flags; |
| 1196 | u8 port_select = p->port_select; |
| 1197 | |
| 1198 | memset(pmp->data, 0, sizeof(pmp->data)); |
| 1199 | |
| 1200 | p->port_select = port_select; |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1201 | if (pmp->mad_hdr.attr_mod != 0 || port_select != port) { |
| 1202 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1203 | goto bail; |
| 1204 | } |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1205 | spin_lock_irqsave(&ibp->rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1206 | p->tick = dd->f_get_ib_cfg(ppd, QIB_IB_CFG_PMA_TICKS); |
| 1207 | p->sample_status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT); |
| 1208 | p->counter_width = 4; /* 32 bit counters */ |
| 1209 | p->counter_mask0_9 = COUNTER_MASK0_9; |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1210 | p->sample_start = cpu_to_be32(ibp->rvp.pma_sample_start); |
| 1211 | p->sample_interval = cpu_to_be32(ibp->rvp.pma_sample_interval); |
| 1212 | p->tag = cpu_to_be16(ibp->rvp.pma_tag); |
| 1213 | p->counter_select[0] = ibp->rvp.pma_counter_select[0]; |
| 1214 | p->counter_select[1] = ibp->rvp.pma_counter_select[1]; |
| 1215 | p->counter_select[2] = ibp->rvp.pma_counter_select[2]; |
| 1216 | p->counter_select[3] = ibp->rvp.pma_counter_select[3]; |
| 1217 | p->counter_select[4] = ibp->rvp.pma_counter_select[4]; |
| 1218 | spin_unlock_irqrestore(&ibp->rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1219 | |
| 1220 | bail: |
| 1221 | return reply((struct ib_smp *) pmp); |
| 1222 | } |
| 1223 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1224 | static int pma_set_portsamplescontrol(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1225 | struct ib_device *ibdev, u8 port) |
| 1226 | { |
| 1227 | struct ib_pma_portsamplescontrol *p = |
| 1228 | (struct ib_pma_portsamplescontrol *)pmp->data; |
| 1229 | struct qib_ibdev *dev = to_idev(ibdev); |
| 1230 | struct qib_devdata *dd = dd_from_dev(dev); |
| 1231 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1232 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1233 | unsigned long flags; |
| 1234 | u8 status, xmit_flags; |
| 1235 | int ret; |
| 1236 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1237 | if (pmp->mad_hdr.attr_mod != 0 || p->port_select != port) { |
| 1238 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1239 | ret = reply((struct ib_smp *) pmp); |
| 1240 | goto bail; |
| 1241 | } |
| 1242 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1243 | spin_lock_irqsave(&ibp->rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1244 | |
| 1245 | /* Port Sampling code owns the PS* HW counters */ |
| 1246 | xmit_flags = ppd->cong_stats.flags; |
| 1247 | ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_SAMPLE; |
| 1248 | status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT); |
| 1249 | if (status == IB_PMA_SAMPLE_STATUS_DONE || |
| 1250 | (status == IB_PMA_SAMPLE_STATUS_RUNNING && |
| 1251 | xmit_flags == IB_PMA_CONG_HW_CONTROL_TIMER)) { |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1252 | ibp->rvp.pma_sample_start = be32_to_cpu(p->sample_start); |
| 1253 | ibp->rvp.pma_sample_interval = be32_to_cpu(p->sample_interval); |
| 1254 | ibp->rvp.pma_tag = be16_to_cpu(p->tag); |
| 1255 | ibp->rvp.pma_counter_select[0] = p->counter_select[0]; |
| 1256 | ibp->rvp.pma_counter_select[1] = p->counter_select[1]; |
| 1257 | ibp->rvp.pma_counter_select[2] = p->counter_select[2]; |
| 1258 | ibp->rvp.pma_counter_select[3] = p->counter_select[3]; |
| 1259 | ibp->rvp.pma_counter_select[4] = p->counter_select[4]; |
| 1260 | dd->f_set_cntr_sample(ppd, ibp->rvp.pma_sample_interval, |
| 1261 | ibp->rvp.pma_sample_start); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1262 | } |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1263 | spin_unlock_irqrestore(&ibp->rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1264 | |
| 1265 | ret = pma_get_portsamplescontrol(pmp, ibdev, port); |
| 1266 | |
| 1267 | bail: |
| 1268 | return ret; |
| 1269 | } |
| 1270 | |
| 1271 | static u64 get_counter(struct qib_ibport *ibp, struct qib_pportdata *ppd, |
| 1272 | __be16 sel) |
| 1273 | { |
| 1274 | u64 ret; |
| 1275 | |
| 1276 | switch (sel) { |
| 1277 | case IB_PMA_PORT_XMIT_DATA: |
| 1278 | ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSXMITDATA); |
| 1279 | break; |
| 1280 | case IB_PMA_PORT_RCV_DATA: |
| 1281 | ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSRCVDATA); |
| 1282 | break; |
| 1283 | case IB_PMA_PORT_XMIT_PKTS: |
| 1284 | ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSXMITPKTS); |
| 1285 | break; |
| 1286 | case IB_PMA_PORT_RCV_PKTS: |
| 1287 | ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSRCVPKTS); |
| 1288 | break; |
| 1289 | case IB_PMA_PORT_XMIT_WAIT: |
| 1290 | ret = ppd->dd->f_portcntr(ppd, QIBPORTCNTR_PSXMITWAIT); |
| 1291 | break; |
| 1292 | default: |
| 1293 | ret = 0; |
| 1294 | } |
| 1295 | |
| 1296 | return ret; |
| 1297 | } |
| 1298 | |
| 1299 | /* This function assumes that the xmit_wait lock is already held */ |
| 1300 | static u64 xmit_wait_get_value_delta(struct qib_pportdata *ppd) |
| 1301 | { |
| 1302 | u32 delta; |
| 1303 | |
| 1304 | delta = get_counter(&ppd->ibport_data, ppd, |
| 1305 | IB_PMA_PORT_XMIT_WAIT); |
| 1306 | return ppd->cong_stats.counter + delta; |
| 1307 | } |
| 1308 | |
| 1309 | static void cache_hw_sample_counters(struct qib_pportdata *ppd) |
| 1310 | { |
| 1311 | struct qib_ibport *ibp = &ppd->ibport_data; |
| 1312 | |
| 1313 | ppd->cong_stats.counter_cache.psxmitdata = |
| 1314 | get_counter(ibp, ppd, IB_PMA_PORT_XMIT_DATA); |
| 1315 | ppd->cong_stats.counter_cache.psrcvdata = |
| 1316 | get_counter(ibp, ppd, IB_PMA_PORT_RCV_DATA); |
| 1317 | ppd->cong_stats.counter_cache.psxmitpkts = |
| 1318 | get_counter(ibp, ppd, IB_PMA_PORT_XMIT_PKTS); |
| 1319 | ppd->cong_stats.counter_cache.psrcvpkts = |
| 1320 | get_counter(ibp, ppd, IB_PMA_PORT_RCV_PKTS); |
| 1321 | ppd->cong_stats.counter_cache.psxmitwait = |
| 1322 | get_counter(ibp, ppd, IB_PMA_PORT_XMIT_WAIT); |
| 1323 | } |
| 1324 | |
| 1325 | static u64 get_cache_hw_sample_counters(struct qib_pportdata *ppd, |
| 1326 | __be16 sel) |
| 1327 | { |
| 1328 | u64 ret; |
| 1329 | |
| 1330 | switch (sel) { |
| 1331 | case IB_PMA_PORT_XMIT_DATA: |
| 1332 | ret = ppd->cong_stats.counter_cache.psxmitdata; |
| 1333 | break; |
| 1334 | case IB_PMA_PORT_RCV_DATA: |
| 1335 | ret = ppd->cong_stats.counter_cache.psrcvdata; |
| 1336 | break; |
| 1337 | case IB_PMA_PORT_XMIT_PKTS: |
| 1338 | ret = ppd->cong_stats.counter_cache.psxmitpkts; |
| 1339 | break; |
| 1340 | case IB_PMA_PORT_RCV_PKTS: |
| 1341 | ret = ppd->cong_stats.counter_cache.psrcvpkts; |
| 1342 | break; |
| 1343 | case IB_PMA_PORT_XMIT_WAIT: |
| 1344 | ret = ppd->cong_stats.counter_cache.psxmitwait; |
| 1345 | break; |
| 1346 | default: |
| 1347 | ret = 0; |
| 1348 | } |
| 1349 | |
| 1350 | return ret; |
| 1351 | } |
| 1352 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1353 | static int pma_get_portsamplesresult(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1354 | struct ib_device *ibdev, u8 port) |
| 1355 | { |
| 1356 | struct ib_pma_portsamplesresult *p = |
| 1357 | (struct ib_pma_portsamplesresult *)pmp->data; |
| 1358 | struct qib_ibdev *dev = to_idev(ibdev); |
| 1359 | struct qib_devdata *dd = dd_from_dev(dev); |
| 1360 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1361 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1362 | unsigned long flags; |
| 1363 | u8 status; |
| 1364 | int i; |
| 1365 | |
| 1366 | memset(pmp->data, 0, sizeof(pmp->data)); |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1367 | spin_lock_irqsave(&ibp->rvp.lock, flags); |
| 1368 | p->tag = cpu_to_be16(ibp->rvp.pma_tag); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1369 | if (ppd->cong_stats.flags == IB_PMA_CONG_HW_CONTROL_TIMER) |
| 1370 | p->sample_status = IB_PMA_SAMPLE_STATUS_DONE; |
| 1371 | else { |
| 1372 | status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT); |
| 1373 | p->sample_status = cpu_to_be16(status); |
| 1374 | if (status == IB_PMA_SAMPLE_STATUS_DONE) { |
| 1375 | cache_hw_sample_counters(ppd); |
| 1376 | ppd->cong_stats.counter = |
| 1377 | xmit_wait_get_value_delta(ppd); |
| 1378 | dd->f_set_cntr_sample(ppd, |
| 1379 | QIB_CONG_TIMER_PSINTERVAL, 0); |
| 1380 | ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_TIMER; |
| 1381 | } |
| 1382 | } |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1383 | for (i = 0; i < ARRAY_SIZE(ibp->rvp.pma_counter_select); i++) |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1384 | p->counter[i] = cpu_to_be32( |
| 1385 | get_cache_hw_sample_counters( |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1386 | ppd, ibp->rvp.pma_counter_select[i])); |
| 1387 | spin_unlock_irqrestore(&ibp->rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1388 | |
| 1389 | return reply((struct ib_smp *) pmp); |
| 1390 | } |
| 1391 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1392 | static int pma_get_portsamplesresult_ext(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1393 | struct ib_device *ibdev, u8 port) |
| 1394 | { |
| 1395 | struct ib_pma_portsamplesresult_ext *p = |
| 1396 | (struct ib_pma_portsamplesresult_ext *)pmp->data; |
| 1397 | struct qib_ibdev *dev = to_idev(ibdev); |
| 1398 | struct qib_devdata *dd = dd_from_dev(dev); |
| 1399 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1400 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1401 | unsigned long flags; |
| 1402 | u8 status; |
| 1403 | int i; |
| 1404 | |
| 1405 | /* Port Sampling code owns the PS* HW counters */ |
| 1406 | memset(pmp->data, 0, sizeof(pmp->data)); |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1407 | spin_lock_irqsave(&ibp->rvp.lock, flags); |
| 1408 | p->tag = cpu_to_be16(ibp->rvp.pma_tag); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1409 | if (ppd->cong_stats.flags == IB_PMA_CONG_HW_CONTROL_TIMER) |
| 1410 | p->sample_status = IB_PMA_SAMPLE_STATUS_DONE; |
| 1411 | else { |
| 1412 | status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT); |
| 1413 | p->sample_status = cpu_to_be16(status); |
| 1414 | /* 64 bits */ |
| 1415 | p->extended_width = cpu_to_be32(0x80000000); |
| 1416 | if (status == IB_PMA_SAMPLE_STATUS_DONE) { |
| 1417 | cache_hw_sample_counters(ppd); |
| 1418 | ppd->cong_stats.counter = |
| 1419 | xmit_wait_get_value_delta(ppd); |
| 1420 | dd->f_set_cntr_sample(ppd, |
| 1421 | QIB_CONG_TIMER_PSINTERVAL, 0); |
| 1422 | ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_TIMER; |
| 1423 | } |
| 1424 | } |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1425 | for (i = 0; i < ARRAY_SIZE(ibp->rvp.pma_counter_select); i++) |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1426 | p->counter[i] = cpu_to_be64( |
| 1427 | get_cache_hw_sample_counters( |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1428 | ppd, ibp->rvp.pma_counter_select[i])); |
| 1429 | spin_unlock_irqrestore(&ibp->rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1430 | |
| 1431 | return reply((struct ib_smp *) pmp); |
| 1432 | } |
| 1433 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1434 | static int pma_get_portcounters(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1435 | struct ib_device *ibdev, u8 port) |
| 1436 | { |
| 1437 | struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) |
| 1438 | pmp->data; |
| 1439 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1440 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1441 | struct qib_verbs_counters cntrs; |
| 1442 | u8 port_select = p->port_select; |
| 1443 | |
| 1444 | qib_get_counters(ppd, &cntrs); |
| 1445 | |
| 1446 | /* Adjust counters for any resets done. */ |
| 1447 | cntrs.symbol_error_counter -= ibp->z_symbol_error_counter; |
| 1448 | cntrs.link_error_recovery_counter -= |
| 1449 | ibp->z_link_error_recovery_counter; |
| 1450 | cntrs.link_downed_counter -= ibp->z_link_downed_counter; |
| 1451 | cntrs.port_rcv_errors -= ibp->z_port_rcv_errors; |
| 1452 | cntrs.port_rcv_remphys_errors -= ibp->z_port_rcv_remphys_errors; |
| 1453 | cntrs.port_xmit_discards -= ibp->z_port_xmit_discards; |
| 1454 | cntrs.port_xmit_data -= ibp->z_port_xmit_data; |
| 1455 | cntrs.port_rcv_data -= ibp->z_port_rcv_data; |
| 1456 | cntrs.port_xmit_packets -= ibp->z_port_xmit_packets; |
| 1457 | cntrs.port_rcv_packets -= ibp->z_port_rcv_packets; |
| 1458 | cntrs.local_link_integrity_errors -= |
| 1459 | ibp->z_local_link_integrity_errors; |
| 1460 | cntrs.excessive_buffer_overrun_errors -= |
| 1461 | ibp->z_excessive_buffer_overrun_errors; |
| 1462 | cntrs.vl15_dropped -= ibp->z_vl15_dropped; |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1463 | cntrs.vl15_dropped += ibp->rvp.n_vl15_dropped; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1464 | |
| 1465 | memset(pmp->data, 0, sizeof(pmp->data)); |
| 1466 | |
| 1467 | p->port_select = port_select; |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1468 | if (pmp->mad_hdr.attr_mod != 0 || port_select != port) |
| 1469 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1470 | |
| 1471 | if (cntrs.symbol_error_counter > 0xFFFFUL) |
| 1472 | p->symbol_error_counter = cpu_to_be16(0xFFFF); |
| 1473 | else |
| 1474 | p->symbol_error_counter = |
| 1475 | cpu_to_be16((u16)cntrs.symbol_error_counter); |
| 1476 | if (cntrs.link_error_recovery_counter > 0xFFUL) |
| 1477 | p->link_error_recovery_counter = 0xFF; |
| 1478 | else |
| 1479 | p->link_error_recovery_counter = |
| 1480 | (u8)cntrs.link_error_recovery_counter; |
| 1481 | if (cntrs.link_downed_counter > 0xFFUL) |
| 1482 | p->link_downed_counter = 0xFF; |
| 1483 | else |
| 1484 | p->link_downed_counter = (u8)cntrs.link_downed_counter; |
| 1485 | if (cntrs.port_rcv_errors > 0xFFFFUL) |
| 1486 | p->port_rcv_errors = cpu_to_be16(0xFFFF); |
| 1487 | else |
| 1488 | p->port_rcv_errors = |
| 1489 | cpu_to_be16((u16) cntrs.port_rcv_errors); |
| 1490 | if (cntrs.port_rcv_remphys_errors > 0xFFFFUL) |
| 1491 | p->port_rcv_remphys_errors = cpu_to_be16(0xFFFF); |
| 1492 | else |
| 1493 | p->port_rcv_remphys_errors = |
| 1494 | cpu_to_be16((u16)cntrs.port_rcv_remphys_errors); |
| 1495 | if (cntrs.port_xmit_discards > 0xFFFFUL) |
| 1496 | p->port_xmit_discards = cpu_to_be16(0xFFFF); |
| 1497 | else |
| 1498 | p->port_xmit_discards = |
| 1499 | cpu_to_be16((u16)cntrs.port_xmit_discards); |
| 1500 | if (cntrs.local_link_integrity_errors > 0xFUL) |
| 1501 | cntrs.local_link_integrity_errors = 0xFUL; |
| 1502 | if (cntrs.excessive_buffer_overrun_errors > 0xFUL) |
| 1503 | cntrs.excessive_buffer_overrun_errors = 0xFUL; |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1504 | p->link_overrun_errors = (cntrs.local_link_integrity_errors << 4) | |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1505 | cntrs.excessive_buffer_overrun_errors; |
| 1506 | if (cntrs.vl15_dropped > 0xFFFFUL) |
| 1507 | p->vl15_dropped = cpu_to_be16(0xFFFF); |
| 1508 | else |
| 1509 | p->vl15_dropped = cpu_to_be16((u16)cntrs.vl15_dropped); |
| 1510 | if (cntrs.port_xmit_data > 0xFFFFFFFFUL) |
| 1511 | p->port_xmit_data = cpu_to_be32(0xFFFFFFFF); |
| 1512 | else |
| 1513 | p->port_xmit_data = cpu_to_be32((u32)cntrs.port_xmit_data); |
| 1514 | if (cntrs.port_rcv_data > 0xFFFFFFFFUL) |
| 1515 | p->port_rcv_data = cpu_to_be32(0xFFFFFFFF); |
| 1516 | else |
| 1517 | p->port_rcv_data = cpu_to_be32((u32)cntrs.port_rcv_data); |
| 1518 | if (cntrs.port_xmit_packets > 0xFFFFFFFFUL) |
| 1519 | p->port_xmit_packets = cpu_to_be32(0xFFFFFFFF); |
| 1520 | else |
| 1521 | p->port_xmit_packets = |
| 1522 | cpu_to_be32((u32)cntrs.port_xmit_packets); |
| 1523 | if (cntrs.port_rcv_packets > 0xFFFFFFFFUL) |
| 1524 | p->port_rcv_packets = cpu_to_be32(0xFFFFFFFF); |
| 1525 | else |
| 1526 | p->port_rcv_packets = |
| 1527 | cpu_to_be32((u32) cntrs.port_rcv_packets); |
| 1528 | |
| 1529 | return reply((struct ib_smp *) pmp); |
| 1530 | } |
| 1531 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1532 | static int pma_get_portcounters_cong(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1533 | struct ib_device *ibdev, u8 port) |
| 1534 | { |
| 1535 | /* Congestion PMA packets start at offset 24 not 64 */ |
| 1536 | struct ib_pma_portcounters_cong *p = |
| 1537 | (struct ib_pma_portcounters_cong *)pmp->reserved; |
| 1538 | struct qib_verbs_counters cntrs; |
| 1539 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1540 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1541 | struct qib_devdata *dd = dd_from_ppd(ppd); |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1542 | u32 port_select = be32_to_cpu(pmp->mad_hdr.attr_mod) & 0xFF; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1543 | u64 xmit_wait_counter; |
| 1544 | unsigned long flags; |
| 1545 | |
| 1546 | /* |
| 1547 | * This check is performed only in the GET method because the |
| 1548 | * SET method ends up calling this anyway. |
| 1549 | */ |
| 1550 | if (!dd->psxmitwait_supported) |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1551 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1552 | if (port_select != port) |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1553 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1554 | |
| 1555 | qib_get_counters(ppd, &cntrs); |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1556 | spin_lock_irqsave(&ppd->ibport_data.rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1557 | xmit_wait_counter = xmit_wait_get_value_delta(ppd); |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1558 | spin_unlock_irqrestore(&ppd->ibport_data.rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1559 | |
| 1560 | /* Adjust counters for any resets done. */ |
| 1561 | cntrs.symbol_error_counter -= ibp->z_symbol_error_counter; |
| 1562 | cntrs.link_error_recovery_counter -= |
| 1563 | ibp->z_link_error_recovery_counter; |
| 1564 | cntrs.link_downed_counter -= ibp->z_link_downed_counter; |
| 1565 | cntrs.port_rcv_errors -= ibp->z_port_rcv_errors; |
| 1566 | cntrs.port_rcv_remphys_errors -= |
| 1567 | ibp->z_port_rcv_remphys_errors; |
| 1568 | cntrs.port_xmit_discards -= ibp->z_port_xmit_discards; |
| 1569 | cntrs.local_link_integrity_errors -= |
| 1570 | ibp->z_local_link_integrity_errors; |
| 1571 | cntrs.excessive_buffer_overrun_errors -= |
| 1572 | ibp->z_excessive_buffer_overrun_errors; |
| 1573 | cntrs.vl15_dropped -= ibp->z_vl15_dropped; |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1574 | cntrs.vl15_dropped += ibp->rvp.n_vl15_dropped; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1575 | cntrs.port_xmit_data -= ibp->z_port_xmit_data; |
| 1576 | cntrs.port_rcv_data -= ibp->z_port_rcv_data; |
| 1577 | cntrs.port_xmit_packets -= ibp->z_port_xmit_packets; |
| 1578 | cntrs.port_rcv_packets -= ibp->z_port_rcv_packets; |
| 1579 | |
| 1580 | memset(pmp->reserved, 0, sizeof(pmp->reserved) + |
| 1581 | sizeof(pmp->data)); |
| 1582 | |
| 1583 | /* |
| 1584 | * Set top 3 bits to indicate interval in picoseconds in |
| 1585 | * remaining bits. |
| 1586 | */ |
| 1587 | p->port_check_rate = |
| 1588 | cpu_to_be16((QIB_XMIT_RATE_PICO << 13) | |
| 1589 | (dd->psxmitwait_check_rate & |
| 1590 | ~(QIB_XMIT_RATE_PICO << 13))); |
| 1591 | p->port_adr_events = cpu_to_be64(0); |
| 1592 | p->port_xmit_wait = cpu_to_be64(xmit_wait_counter); |
| 1593 | p->port_xmit_data = cpu_to_be64(cntrs.port_xmit_data); |
| 1594 | p->port_rcv_data = cpu_to_be64(cntrs.port_rcv_data); |
| 1595 | p->port_xmit_packets = |
| 1596 | cpu_to_be64(cntrs.port_xmit_packets); |
| 1597 | p->port_rcv_packets = |
| 1598 | cpu_to_be64(cntrs.port_rcv_packets); |
| 1599 | if (cntrs.symbol_error_counter > 0xFFFFUL) |
| 1600 | p->symbol_error_counter = cpu_to_be16(0xFFFF); |
| 1601 | else |
| 1602 | p->symbol_error_counter = |
| 1603 | cpu_to_be16( |
| 1604 | (u16)cntrs.symbol_error_counter); |
| 1605 | if (cntrs.link_error_recovery_counter > 0xFFUL) |
| 1606 | p->link_error_recovery_counter = 0xFF; |
| 1607 | else |
| 1608 | p->link_error_recovery_counter = |
| 1609 | (u8)cntrs.link_error_recovery_counter; |
| 1610 | if (cntrs.link_downed_counter > 0xFFUL) |
| 1611 | p->link_downed_counter = 0xFF; |
| 1612 | else |
| 1613 | p->link_downed_counter = |
| 1614 | (u8)cntrs.link_downed_counter; |
| 1615 | if (cntrs.port_rcv_errors > 0xFFFFUL) |
| 1616 | p->port_rcv_errors = cpu_to_be16(0xFFFF); |
| 1617 | else |
| 1618 | p->port_rcv_errors = |
| 1619 | cpu_to_be16((u16) cntrs.port_rcv_errors); |
| 1620 | if (cntrs.port_rcv_remphys_errors > 0xFFFFUL) |
| 1621 | p->port_rcv_remphys_errors = cpu_to_be16(0xFFFF); |
| 1622 | else |
| 1623 | p->port_rcv_remphys_errors = |
| 1624 | cpu_to_be16( |
| 1625 | (u16)cntrs.port_rcv_remphys_errors); |
| 1626 | if (cntrs.port_xmit_discards > 0xFFFFUL) |
| 1627 | p->port_xmit_discards = cpu_to_be16(0xFFFF); |
| 1628 | else |
| 1629 | p->port_xmit_discards = |
| 1630 | cpu_to_be16((u16)cntrs.port_xmit_discards); |
| 1631 | if (cntrs.local_link_integrity_errors > 0xFUL) |
| 1632 | cntrs.local_link_integrity_errors = 0xFUL; |
| 1633 | if (cntrs.excessive_buffer_overrun_errors > 0xFUL) |
| 1634 | cntrs.excessive_buffer_overrun_errors = 0xFUL; |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1635 | p->link_overrun_errors = (cntrs.local_link_integrity_errors << 4) | |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1636 | cntrs.excessive_buffer_overrun_errors; |
| 1637 | if (cntrs.vl15_dropped > 0xFFFFUL) |
| 1638 | p->vl15_dropped = cpu_to_be16(0xFFFF); |
| 1639 | else |
| 1640 | p->vl15_dropped = cpu_to_be16((u16)cntrs.vl15_dropped); |
| 1641 | |
| 1642 | return reply((struct ib_smp *)pmp); |
| 1643 | } |
| 1644 | |
Mike Marciniszyn | 7d7632a | 2014-03-07 08:40:55 -0500 | [diff] [blame] | 1645 | static void qib_snapshot_pmacounters( |
| 1646 | struct qib_ibport *ibp, |
| 1647 | struct qib_pma_counters *pmacounters) |
| 1648 | { |
| 1649 | struct qib_pma_counters *p; |
| 1650 | int cpu; |
| 1651 | |
| 1652 | memset(pmacounters, 0, sizeof(*pmacounters)); |
| 1653 | for_each_possible_cpu(cpu) { |
| 1654 | p = per_cpu_ptr(ibp->pmastats, cpu); |
| 1655 | pmacounters->n_unicast_xmit += p->n_unicast_xmit; |
| 1656 | pmacounters->n_unicast_rcv += p->n_unicast_rcv; |
| 1657 | pmacounters->n_multicast_xmit += p->n_multicast_xmit; |
| 1658 | pmacounters->n_multicast_rcv += p->n_multicast_rcv; |
| 1659 | } |
| 1660 | } |
| 1661 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1662 | static int pma_get_portcounters_ext(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1663 | struct ib_device *ibdev, u8 port) |
| 1664 | { |
| 1665 | struct ib_pma_portcounters_ext *p = |
| 1666 | (struct ib_pma_portcounters_ext *)pmp->data; |
| 1667 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1668 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1669 | u64 swords, rwords, spkts, rpkts, xwait; |
Mike Marciniszyn | 7d7632a | 2014-03-07 08:40:55 -0500 | [diff] [blame] | 1670 | struct qib_pma_counters pma; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1671 | u8 port_select = p->port_select; |
| 1672 | |
| 1673 | memset(pmp->data, 0, sizeof(pmp->data)); |
| 1674 | |
| 1675 | p->port_select = port_select; |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1676 | if (pmp->mad_hdr.attr_mod != 0 || port_select != port) { |
| 1677 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1678 | goto bail; |
| 1679 | } |
| 1680 | |
| 1681 | qib_snapshot_counters(ppd, &swords, &rwords, &spkts, &rpkts, &xwait); |
| 1682 | |
| 1683 | /* Adjust counters for any resets done. */ |
| 1684 | swords -= ibp->z_port_xmit_data; |
| 1685 | rwords -= ibp->z_port_rcv_data; |
| 1686 | spkts -= ibp->z_port_xmit_packets; |
| 1687 | rpkts -= ibp->z_port_rcv_packets; |
| 1688 | |
| 1689 | p->port_xmit_data = cpu_to_be64(swords); |
| 1690 | p->port_rcv_data = cpu_to_be64(rwords); |
| 1691 | p->port_xmit_packets = cpu_to_be64(spkts); |
| 1692 | p->port_rcv_packets = cpu_to_be64(rpkts); |
Mike Marciniszyn | 7d7632a | 2014-03-07 08:40:55 -0500 | [diff] [blame] | 1693 | |
| 1694 | qib_snapshot_pmacounters(ibp, &pma); |
| 1695 | |
| 1696 | p->port_unicast_xmit_packets = cpu_to_be64(pma.n_unicast_xmit |
| 1697 | - ibp->z_unicast_xmit); |
| 1698 | p->port_unicast_rcv_packets = cpu_to_be64(pma.n_unicast_rcv |
| 1699 | - ibp->z_unicast_rcv); |
| 1700 | p->port_multicast_xmit_packets = cpu_to_be64(pma.n_multicast_xmit |
| 1701 | - ibp->z_multicast_xmit); |
| 1702 | p->port_multicast_rcv_packets = cpu_to_be64(pma.n_multicast_rcv |
| 1703 | - ibp->z_multicast_rcv); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1704 | |
| 1705 | bail: |
| 1706 | return reply((struct ib_smp *) pmp); |
| 1707 | } |
| 1708 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1709 | static int pma_set_portcounters(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1710 | struct ib_device *ibdev, u8 port) |
| 1711 | { |
| 1712 | struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) |
| 1713 | pmp->data; |
| 1714 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1715 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1716 | struct qib_verbs_counters cntrs; |
| 1717 | |
| 1718 | /* |
| 1719 | * Since the HW doesn't support clearing counters, we save the |
| 1720 | * current count and subtract it from future responses. |
| 1721 | */ |
| 1722 | qib_get_counters(ppd, &cntrs); |
| 1723 | |
| 1724 | if (p->counter_select & IB_PMA_SEL_SYMBOL_ERROR) |
| 1725 | ibp->z_symbol_error_counter = cntrs.symbol_error_counter; |
| 1726 | |
| 1727 | if (p->counter_select & IB_PMA_SEL_LINK_ERROR_RECOVERY) |
| 1728 | ibp->z_link_error_recovery_counter = |
| 1729 | cntrs.link_error_recovery_counter; |
| 1730 | |
| 1731 | if (p->counter_select & IB_PMA_SEL_LINK_DOWNED) |
| 1732 | ibp->z_link_downed_counter = cntrs.link_downed_counter; |
| 1733 | |
| 1734 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_ERRORS) |
| 1735 | ibp->z_port_rcv_errors = cntrs.port_rcv_errors; |
| 1736 | |
| 1737 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS) |
| 1738 | ibp->z_port_rcv_remphys_errors = |
| 1739 | cntrs.port_rcv_remphys_errors; |
| 1740 | |
| 1741 | if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DISCARDS) |
| 1742 | ibp->z_port_xmit_discards = cntrs.port_xmit_discards; |
| 1743 | |
| 1744 | if (p->counter_select & IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS) |
| 1745 | ibp->z_local_link_integrity_errors = |
| 1746 | cntrs.local_link_integrity_errors; |
| 1747 | |
| 1748 | if (p->counter_select & IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS) |
| 1749 | ibp->z_excessive_buffer_overrun_errors = |
| 1750 | cntrs.excessive_buffer_overrun_errors; |
| 1751 | |
| 1752 | if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED) { |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1753 | ibp->rvp.n_vl15_dropped = 0; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1754 | ibp->z_vl15_dropped = cntrs.vl15_dropped; |
| 1755 | } |
| 1756 | |
| 1757 | if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA) |
| 1758 | ibp->z_port_xmit_data = cntrs.port_xmit_data; |
| 1759 | |
| 1760 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_DATA) |
| 1761 | ibp->z_port_rcv_data = cntrs.port_rcv_data; |
| 1762 | |
| 1763 | if (p->counter_select & IB_PMA_SEL_PORT_XMIT_PACKETS) |
| 1764 | ibp->z_port_xmit_packets = cntrs.port_xmit_packets; |
| 1765 | |
| 1766 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_PACKETS) |
| 1767 | ibp->z_port_rcv_packets = cntrs.port_rcv_packets; |
| 1768 | |
| 1769 | return pma_get_portcounters(pmp, ibdev, port); |
| 1770 | } |
| 1771 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1772 | static int pma_set_portcounters_cong(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1773 | struct ib_device *ibdev, u8 port) |
| 1774 | { |
| 1775 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1776 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1777 | struct qib_devdata *dd = dd_from_ppd(ppd); |
| 1778 | struct qib_verbs_counters cntrs; |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1779 | u32 counter_select = (be32_to_cpu(pmp->mad_hdr.attr_mod) >> 24) & 0xFF; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1780 | int ret = 0; |
| 1781 | unsigned long flags; |
| 1782 | |
| 1783 | qib_get_counters(ppd, &cntrs); |
| 1784 | /* Get counter values before we save them */ |
| 1785 | ret = pma_get_portcounters_cong(pmp, ibdev, port); |
| 1786 | |
| 1787 | if (counter_select & IB_PMA_SEL_CONG_XMIT) { |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1788 | spin_lock_irqsave(&ppd->ibport_data.rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1789 | ppd->cong_stats.counter = 0; |
| 1790 | dd->f_set_cntr_sample(ppd, QIB_CONG_TIMER_PSINTERVAL, |
| 1791 | 0x0); |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1792 | spin_unlock_irqrestore(&ppd->ibport_data.rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1793 | } |
| 1794 | if (counter_select & IB_PMA_SEL_CONG_PORT_DATA) { |
| 1795 | ibp->z_port_xmit_data = cntrs.port_xmit_data; |
| 1796 | ibp->z_port_rcv_data = cntrs.port_rcv_data; |
| 1797 | ibp->z_port_xmit_packets = cntrs.port_xmit_packets; |
| 1798 | ibp->z_port_rcv_packets = cntrs.port_rcv_packets; |
| 1799 | } |
| 1800 | if (counter_select & IB_PMA_SEL_CONG_ALL) { |
| 1801 | ibp->z_symbol_error_counter = |
| 1802 | cntrs.symbol_error_counter; |
| 1803 | ibp->z_link_error_recovery_counter = |
| 1804 | cntrs.link_error_recovery_counter; |
| 1805 | ibp->z_link_downed_counter = |
| 1806 | cntrs.link_downed_counter; |
| 1807 | ibp->z_port_rcv_errors = cntrs.port_rcv_errors; |
| 1808 | ibp->z_port_rcv_remphys_errors = |
| 1809 | cntrs.port_rcv_remphys_errors; |
| 1810 | ibp->z_port_xmit_discards = |
| 1811 | cntrs.port_xmit_discards; |
| 1812 | ibp->z_local_link_integrity_errors = |
| 1813 | cntrs.local_link_integrity_errors; |
| 1814 | ibp->z_excessive_buffer_overrun_errors = |
| 1815 | cntrs.excessive_buffer_overrun_errors; |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1816 | ibp->rvp.n_vl15_dropped = 0; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1817 | ibp->z_vl15_dropped = cntrs.vl15_dropped; |
| 1818 | } |
| 1819 | |
| 1820 | return ret; |
| 1821 | } |
| 1822 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 1823 | static int pma_set_portcounters_ext(struct ib_pma_mad *pmp, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1824 | struct ib_device *ibdev, u8 port) |
| 1825 | { |
| 1826 | struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) |
| 1827 | pmp->data; |
| 1828 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1829 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1830 | u64 swords, rwords, spkts, rpkts, xwait; |
Mike Marciniszyn | 7d7632a | 2014-03-07 08:40:55 -0500 | [diff] [blame] | 1831 | struct qib_pma_counters pma; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1832 | |
| 1833 | qib_snapshot_counters(ppd, &swords, &rwords, &spkts, &rpkts, &xwait); |
| 1834 | |
| 1835 | if (p->counter_select & IB_PMA_SELX_PORT_XMIT_DATA) |
| 1836 | ibp->z_port_xmit_data = swords; |
| 1837 | |
| 1838 | if (p->counter_select & IB_PMA_SELX_PORT_RCV_DATA) |
| 1839 | ibp->z_port_rcv_data = rwords; |
| 1840 | |
| 1841 | if (p->counter_select & IB_PMA_SELX_PORT_XMIT_PACKETS) |
| 1842 | ibp->z_port_xmit_packets = spkts; |
| 1843 | |
| 1844 | if (p->counter_select & IB_PMA_SELX_PORT_RCV_PACKETS) |
| 1845 | ibp->z_port_rcv_packets = rpkts; |
| 1846 | |
Mike Marciniszyn | 7d7632a | 2014-03-07 08:40:55 -0500 | [diff] [blame] | 1847 | qib_snapshot_pmacounters(ibp, &pma); |
| 1848 | |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1849 | if (p->counter_select & IB_PMA_SELX_PORT_UNI_XMIT_PACKETS) |
Mike Marciniszyn | 7d7632a | 2014-03-07 08:40:55 -0500 | [diff] [blame] | 1850 | ibp->z_unicast_xmit = pma.n_unicast_xmit; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1851 | |
| 1852 | if (p->counter_select & IB_PMA_SELX_PORT_UNI_RCV_PACKETS) |
Mike Marciniszyn | 7d7632a | 2014-03-07 08:40:55 -0500 | [diff] [blame] | 1853 | ibp->z_unicast_rcv = pma.n_unicast_rcv; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1854 | |
| 1855 | if (p->counter_select & IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS) |
Mike Marciniszyn | 7d7632a | 2014-03-07 08:40:55 -0500 | [diff] [blame] | 1856 | ibp->z_multicast_xmit = pma.n_multicast_xmit; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1857 | |
| 1858 | if (p->counter_select & IB_PMA_SELX_PORT_MULTI_RCV_PACKETS) |
Mike Marciniszyn | 7d7632a | 2014-03-07 08:40:55 -0500 | [diff] [blame] | 1859 | ibp->z_multicast_rcv = pma.n_multicast_rcv; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1860 | |
| 1861 | return pma_get_portcounters_ext(pmp, ibdev, port); |
| 1862 | } |
| 1863 | |
| 1864 | static int process_subn(struct ib_device *ibdev, int mad_flags, |
Ira Weiny | a97e2d8 | 2015-05-31 17:15:30 -0400 | [diff] [blame] | 1865 | u8 port, const struct ib_mad *in_mad, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1866 | struct ib_mad *out_mad) |
| 1867 | { |
| 1868 | struct ib_smp *smp = (struct ib_smp *)out_mad; |
| 1869 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 1870 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 1871 | int ret; |
| 1872 | |
| 1873 | *out_mad = *in_mad; |
| 1874 | if (smp->class_version != 1) { |
| 1875 | smp->status |= IB_SMP_UNSUP_VERSION; |
| 1876 | ret = reply(smp); |
| 1877 | goto bail; |
| 1878 | } |
| 1879 | |
| 1880 | ret = check_mkey(ibp, smp, mad_flags); |
| 1881 | if (ret) { |
| 1882 | u32 port_num = be32_to_cpu(smp->attr_mod); |
| 1883 | |
| 1884 | /* |
| 1885 | * If this is a get/set portinfo, we already check the |
| 1886 | * M_Key if the MAD is for another port and the M_Key |
| 1887 | * is OK on the receiving port. This check is needed |
| 1888 | * to increment the error counters when the M_Key |
| 1889 | * fails to match on *both* ports. |
| 1890 | */ |
| 1891 | if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_PORT_INFO && |
| 1892 | (smp->method == IB_MGMT_METHOD_GET || |
| 1893 | smp->method == IB_MGMT_METHOD_SET) && |
| 1894 | port_num && port_num <= ibdev->phys_port_cnt && |
| 1895 | port != port_num) |
| 1896 | (void) check_mkey(to_iport(ibdev, port_num), smp, 0); |
Jim Foraker | 3236b2d | 2012-05-02 14:57:23 -0400 | [diff] [blame] | 1897 | ret = IB_MAD_RESULT_FAILURE; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1898 | goto bail; |
| 1899 | } |
| 1900 | |
| 1901 | switch (smp->method) { |
| 1902 | case IB_MGMT_METHOD_GET: |
| 1903 | switch (smp->attr_id) { |
| 1904 | case IB_SMP_ATTR_NODE_DESC: |
| 1905 | ret = subn_get_nodedescription(smp, ibdev); |
| 1906 | goto bail; |
| 1907 | case IB_SMP_ATTR_NODE_INFO: |
| 1908 | ret = subn_get_nodeinfo(smp, ibdev, port); |
| 1909 | goto bail; |
| 1910 | case IB_SMP_ATTR_GUID_INFO: |
| 1911 | ret = subn_get_guidinfo(smp, ibdev, port); |
| 1912 | goto bail; |
| 1913 | case IB_SMP_ATTR_PORT_INFO: |
| 1914 | ret = subn_get_portinfo(smp, ibdev, port); |
| 1915 | goto bail; |
| 1916 | case IB_SMP_ATTR_PKEY_TABLE: |
| 1917 | ret = subn_get_pkeytable(smp, ibdev, port); |
| 1918 | goto bail; |
| 1919 | case IB_SMP_ATTR_SL_TO_VL_TABLE: |
| 1920 | ret = subn_get_sl_to_vl(smp, ibdev, port); |
| 1921 | goto bail; |
| 1922 | case IB_SMP_ATTR_VL_ARB_TABLE: |
| 1923 | ret = subn_get_vl_arb(smp, ibdev, port); |
| 1924 | goto bail; |
| 1925 | case IB_SMP_ATTR_SM_INFO: |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1926 | if (ibp->rvp.port_cap_flags & IB_PORT_SM_DISABLED) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1927 | ret = IB_MAD_RESULT_SUCCESS | |
| 1928 | IB_MAD_RESULT_CONSUMED; |
| 1929 | goto bail; |
| 1930 | } |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1931 | if (ibp->rvp.port_cap_flags & IB_PORT_SM) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1932 | ret = IB_MAD_RESULT_SUCCESS; |
| 1933 | goto bail; |
| 1934 | } |
| 1935 | /* FALLTHROUGH */ |
| 1936 | default: |
| 1937 | smp->status |= IB_SMP_UNSUP_METH_ATTR; |
| 1938 | ret = reply(smp); |
| 1939 | goto bail; |
| 1940 | } |
| 1941 | |
| 1942 | case IB_MGMT_METHOD_SET: |
| 1943 | switch (smp->attr_id) { |
| 1944 | case IB_SMP_ATTR_GUID_INFO: |
| 1945 | ret = subn_set_guidinfo(smp, ibdev, port); |
| 1946 | goto bail; |
| 1947 | case IB_SMP_ATTR_PORT_INFO: |
| 1948 | ret = subn_set_portinfo(smp, ibdev, port); |
| 1949 | goto bail; |
| 1950 | case IB_SMP_ATTR_PKEY_TABLE: |
| 1951 | ret = subn_set_pkeytable(smp, ibdev, port); |
| 1952 | goto bail; |
| 1953 | case IB_SMP_ATTR_SL_TO_VL_TABLE: |
| 1954 | ret = subn_set_sl_to_vl(smp, ibdev, port); |
| 1955 | goto bail; |
| 1956 | case IB_SMP_ATTR_VL_ARB_TABLE: |
| 1957 | ret = subn_set_vl_arb(smp, ibdev, port); |
| 1958 | goto bail; |
| 1959 | case IB_SMP_ATTR_SM_INFO: |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1960 | if (ibp->rvp.port_cap_flags & IB_PORT_SM_DISABLED) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1961 | ret = IB_MAD_RESULT_SUCCESS | |
| 1962 | IB_MAD_RESULT_CONSUMED; |
| 1963 | goto bail; |
| 1964 | } |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 1965 | if (ibp->rvp.port_cap_flags & IB_PORT_SM) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1966 | ret = IB_MAD_RESULT_SUCCESS; |
| 1967 | goto bail; |
| 1968 | } |
| 1969 | /* FALLTHROUGH */ |
| 1970 | default: |
| 1971 | smp->status |= IB_SMP_UNSUP_METH_ATTR; |
| 1972 | ret = reply(smp); |
| 1973 | goto bail; |
| 1974 | } |
| 1975 | |
| 1976 | case IB_MGMT_METHOD_TRAP_REPRESS: |
| 1977 | if (smp->attr_id == IB_SMP_ATTR_NOTICE) |
| 1978 | ret = subn_trap_repress(smp, ibdev, port); |
| 1979 | else { |
| 1980 | smp->status |= IB_SMP_UNSUP_METH_ATTR; |
| 1981 | ret = reply(smp); |
| 1982 | } |
| 1983 | goto bail; |
| 1984 | |
| 1985 | case IB_MGMT_METHOD_TRAP: |
| 1986 | case IB_MGMT_METHOD_REPORT: |
| 1987 | case IB_MGMT_METHOD_REPORT_RESP: |
| 1988 | case IB_MGMT_METHOD_GET_RESP: |
| 1989 | /* |
| 1990 | * The ib_mad module will call us to process responses |
| 1991 | * before checking for other consumers. |
| 1992 | * Just tell the caller to process it normally. |
| 1993 | */ |
| 1994 | ret = IB_MAD_RESULT_SUCCESS; |
| 1995 | goto bail; |
| 1996 | |
| 1997 | case IB_MGMT_METHOD_SEND: |
| 1998 | if (ib_get_smp_direction(smp) && |
| 1999 | smp->attr_id == QIB_VENDOR_IPG) { |
| 2000 | ppd->dd->f_set_ib_cfg(ppd, QIB_IB_CFG_PORT, |
| 2001 | smp->data[0]); |
| 2002 | ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; |
| 2003 | } else |
| 2004 | ret = IB_MAD_RESULT_SUCCESS; |
| 2005 | goto bail; |
| 2006 | |
| 2007 | default: |
| 2008 | smp->status |= IB_SMP_UNSUP_METHOD; |
| 2009 | ret = reply(smp); |
| 2010 | } |
| 2011 | |
| 2012 | bail: |
| 2013 | return ret; |
| 2014 | } |
| 2015 | |
| 2016 | static int process_perf(struct ib_device *ibdev, u8 port, |
Ira Weiny | a97e2d8 | 2015-05-31 17:15:30 -0400 | [diff] [blame] | 2017 | const struct ib_mad *in_mad, |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2018 | struct ib_mad *out_mad) |
| 2019 | { |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 2020 | struct ib_pma_mad *pmp = (struct ib_pma_mad *)out_mad; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2021 | int ret; |
| 2022 | |
| 2023 | *out_mad = *in_mad; |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 2024 | if (pmp->mad_hdr.class_version != 1) { |
| 2025 | pmp->mad_hdr.status |= IB_SMP_UNSUP_VERSION; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2026 | ret = reply((struct ib_smp *) pmp); |
| 2027 | goto bail; |
| 2028 | } |
| 2029 | |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 2030 | switch (pmp->mad_hdr.method) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2031 | case IB_MGMT_METHOD_GET: |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 2032 | switch (pmp->mad_hdr.attr_id) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2033 | case IB_PMA_CLASS_PORT_INFO: |
| 2034 | ret = pma_get_classportinfo(pmp, ibdev); |
| 2035 | goto bail; |
| 2036 | case IB_PMA_PORT_SAMPLES_CONTROL: |
| 2037 | ret = pma_get_portsamplescontrol(pmp, ibdev, port); |
| 2038 | goto bail; |
| 2039 | case IB_PMA_PORT_SAMPLES_RESULT: |
| 2040 | ret = pma_get_portsamplesresult(pmp, ibdev, port); |
| 2041 | goto bail; |
| 2042 | case IB_PMA_PORT_SAMPLES_RESULT_EXT: |
| 2043 | ret = pma_get_portsamplesresult_ext(pmp, ibdev, port); |
| 2044 | goto bail; |
| 2045 | case IB_PMA_PORT_COUNTERS: |
| 2046 | ret = pma_get_portcounters(pmp, ibdev, port); |
| 2047 | goto bail; |
| 2048 | case IB_PMA_PORT_COUNTERS_EXT: |
| 2049 | ret = pma_get_portcounters_ext(pmp, ibdev, port); |
| 2050 | goto bail; |
| 2051 | case IB_PMA_PORT_COUNTERS_CONG: |
| 2052 | ret = pma_get_portcounters_cong(pmp, ibdev, port); |
| 2053 | goto bail; |
| 2054 | default: |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 2055 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2056 | ret = reply((struct ib_smp *) pmp); |
| 2057 | goto bail; |
| 2058 | } |
| 2059 | |
| 2060 | case IB_MGMT_METHOD_SET: |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 2061 | switch (pmp->mad_hdr.attr_id) { |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2062 | case IB_PMA_PORT_SAMPLES_CONTROL: |
| 2063 | ret = pma_set_portsamplescontrol(pmp, ibdev, port); |
| 2064 | goto bail; |
| 2065 | case IB_PMA_PORT_COUNTERS: |
| 2066 | ret = pma_set_portcounters(pmp, ibdev, port); |
| 2067 | goto bail; |
| 2068 | case IB_PMA_PORT_COUNTERS_EXT: |
| 2069 | ret = pma_set_portcounters_ext(pmp, ibdev, port); |
| 2070 | goto bail; |
| 2071 | case IB_PMA_PORT_COUNTERS_CONG: |
| 2072 | ret = pma_set_portcounters_cong(pmp, ibdev, port); |
| 2073 | goto bail; |
| 2074 | default: |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 2075 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2076 | ret = reply((struct ib_smp *) pmp); |
| 2077 | goto bail; |
| 2078 | } |
| 2079 | |
| 2080 | case IB_MGMT_METHOD_TRAP: |
| 2081 | case IB_MGMT_METHOD_GET_RESP: |
| 2082 | /* |
| 2083 | * The ib_mad module will call us to process responses |
| 2084 | * before checking for other consumers. |
| 2085 | * Just tell the caller to process it normally. |
| 2086 | */ |
| 2087 | ret = IB_MAD_RESULT_SUCCESS; |
| 2088 | goto bail; |
| 2089 | |
| 2090 | default: |
Or Gerlitz | 6aea213 | 2011-07-05 15:46:29 +0000 | [diff] [blame] | 2091 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METHOD; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2092 | ret = reply((struct ib_smp *) pmp); |
| 2093 | } |
| 2094 | |
| 2095 | bail: |
| 2096 | return ret; |
| 2097 | } |
| 2098 | |
Mike Marciniszyn | 36a8f01 | 2012-07-19 13:04:04 +0000 | [diff] [blame] | 2099 | static int cc_get_classportinfo(struct ib_cc_mad *ccp, |
| 2100 | struct ib_device *ibdev) |
| 2101 | { |
| 2102 | struct ib_cc_classportinfo_attr *p = |
| 2103 | (struct ib_cc_classportinfo_attr *)ccp->mgmt_data; |
| 2104 | |
| 2105 | memset(ccp->mgmt_data, 0, sizeof(ccp->mgmt_data)); |
| 2106 | |
| 2107 | p->base_version = 1; |
| 2108 | p->class_version = 1; |
| 2109 | p->cap_mask = 0; |
| 2110 | |
| 2111 | /* |
| 2112 | * Expected response time is 4.096 usec. * 2^18 == 1.073741824 sec. |
| 2113 | */ |
| 2114 | p->resp_time_value = 18; |
| 2115 | |
| 2116 | return reply((struct ib_smp *) ccp); |
| 2117 | } |
| 2118 | |
| 2119 | static int cc_get_congestion_info(struct ib_cc_mad *ccp, |
| 2120 | struct ib_device *ibdev, u8 port) |
| 2121 | { |
| 2122 | struct ib_cc_info_attr *p = |
| 2123 | (struct ib_cc_info_attr *)ccp->mgmt_data; |
| 2124 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 2125 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 2126 | |
| 2127 | memset(ccp->mgmt_data, 0, sizeof(ccp->mgmt_data)); |
| 2128 | |
| 2129 | p->congestion_info = 0; |
| 2130 | p->control_table_cap = ppd->cc_max_table_entries; |
| 2131 | |
| 2132 | return reply((struct ib_smp *) ccp); |
| 2133 | } |
| 2134 | |
| 2135 | static int cc_get_congestion_setting(struct ib_cc_mad *ccp, |
| 2136 | struct ib_device *ibdev, u8 port) |
| 2137 | { |
| 2138 | int i; |
| 2139 | struct ib_cc_congestion_setting_attr *p = |
| 2140 | (struct ib_cc_congestion_setting_attr *)ccp->mgmt_data; |
| 2141 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 2142 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 2143 | struct ib_cc_congestion_entry_shadow *entries; |
| 2144 | |
| 2145 | memset(ccp->mgmt_data, 0, sizeof(ccp->mgmt_data)); |
| 2146 | |
| 2147 | spin_lock(&ppd->cc_shadow_lock); |
| 2148 | |
| 2149 | entries = ppd->congestion_entries_shadow->entries; |
| 2150 | p->port_control = cpu_to_be16( |
| 2151 | ppd->congestion_entries_shadow->port_control); |
| 2152 | p->control_map = cpu_to_be16( |
| 2153 | ppd->congestion_entries_shadow->control_map); |
| 2154 | for (i = 0; i < IB_CC_CCS_ENTRIES; i++) { |
| 2155 | p->entries[i].ccti_increase = entries[i].ccti_increase; |
| 2156 | p->entries[i].ccti_timer = cpu_to_be16(entries[i].ccti_timer); |
| 2157 | p->entries[i].trigger_threshold = entries[i].trigger_threshold; |
| 2158 | p->entries[i].ccti_min = entries[i].ccti_min; |
| 2159 | } |
| 2160 | |
| 2161 | spin_unlock(&ppd->cc_shadow_lock); |
| 2162 | |
| 2163 | return reply((struct ib_smp *) ccp); |
| 2164 | } |
| 2165 | |
| 2166 | static int cc_get_congestion_control_table(struct ib_cc_mad *ccp, |
| 2167 | struct ib_device *ibdev, u8 port) |
| 2168 | { |
| 2169 | struct ib_cc_table_attr *p = |
| 2170 | (struct ib_cc_table_attr *)ccp->mgmt_data; |
| 2171 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 2172 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 2173 | u32 cct_block_index = be32_to_cpu(ccp->attr_mod); |
| 2174 | u32 max_cct_block; |
| 2175 | u32 cct_entry; |
| 2176 | struct ib_cc_table_entry_shadow *entries; |
| 2177 | int i; |
| 2178 | |
| 2179 | /* Is the table index more than what is supported? */ |
| 2180 | if (cct_block_index > IB_CC_TABLE_CAP_DEFAULT - 1) |
| 2181 | goto bail; |
| 2182 | |
| 2183 | memset(ccp->mgmt_data, 0, sizeof(ccp->mgmt_data)); |
| 2184 | |
| 2185 | spin_lock(&ppd->cc_shadow_lock); |
| 2186 | |
| 2187 | max_cct_block = |
| 2188 | (ppd->ccti_entries_shadow->ccti_last_entry + 1)/IB_CCT_ENTRIES; |
| 2189 | max_cct_block = max_cct_block ? max_cct_block - 1 : 0; |
| 2190 | |
| 2191 | if (cct_block_index > max_cct_block) { |
| 2192 | spin_unlock(&ppd->cc_shadow_lock); |
| 2193 | goto bail; |
| 2194 | } |
| 2195 | |
| 2196 | ccp->attr_mod = cpu_to_be32(cct_block_index); |
| 2197 | |
| 2198 | cct_entry = IB_CCT_ENTRIES * (cct_block_index + 1); |
| 2199 | |
| 2200 | cct_entry--; |
| 2201 | |
| 2202 | p->ccti_limit = cpu_to_be16(cct_entry); |
| 2203 | |
| 2204 | entries = &ppd->ccti_entries_shadow-> |
| 2205 | entries[IB_CCT_ENTRIES * cct_block_index]; |
| 2206 | cct_entry %= IB_CCT_ENTRIES; |
| 2207 | |
| 2208 | for (i = 0; i <= cct_entry; i++) |
| 2209 | p->ccti_entries[i].entry = cpu_to_be16(entries[i].entry); |
| 2210 | |
| 2211 | spin_unlock(&ppd->cc_shadow_lock); |
| 2212 | |
| 2213 | return reply((struct ib_smp *) ccp); |
| 2214 | |
| 2215 | bail: |
| 2216 | return reply_failure((struct ib_smp *) ccp); |
| 2217 | } |
| 2218 | |
| 2219 | static int cc_set_congestion_setting(struct ib_cc_mad *ccp, |
| 2220 | struct ib_device *ibdev, u8 port) |
| 2221 | { |
| 2222 | struct ib_cc_congestion_setting_attr *p = |
| 2223 | (struct ib_cc_congestion_setting_attr *)ccp->mgmt_data; |
| 2224 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 2225 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 2226 | int i; |
| 2227 | |
| 2228 | ppd->cc_sl_control_map = be16_to_cpu(p->control_map); |
| 2229 | |
| 2230 | for (i = 0; i < IB_CC_CCS_ENTRIES; i++) { |
| 2231 | ppd->congestion_entries[i].ccti_increase = |
| 2232 | p->entries[i].ccti_increase; |
| 2233 | |
| 2234 | ppd->congestion_entries[i].ccti_timer = |
| 2235 | be16_to_cpu(p->entries[i].ccti_timer); |
| 2236 | |
| 2237 | ppd->congestion_entries[i].trigger_threshold = |
| 2238 | p->entries[i].trigger_threshold; |
| 2239 | |
| 2240 | ppd->congestion_entries[i].ccti_min = |
| 2241 | p->entries[i].ccti_min; |
| 2242 | } |
| 2243 | |
| 2244 | return reply((struct ib_smp *) ccp); |
| 2245 | } |
| 2246 | |
| 2247 | static int cc_set_congestion_control_table(struct ib_cc_mad *ccp, |
| 2248 | struct ib_device *ibdev, u8 port) |
| 2249 | { |
| 2250 | struct ib_cc_table_attr *p = |
| 2251 | (struct ib_cc_table_attr *)ccp->mgmt_data; |
| 2252 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 2253 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
| 2254 | u32 cct_block_index = be32_to_cpu(ccp->attr_mod); |
| 2255 | u32 cct_entry; |
| 2256 | struct ib_cc_table_entry_shadow *entries; |
| 2257 | int i; |
| 2258 | |
| 2259 | /* Is the table index more than what is supported? */ |
| 2260 | if (cct_block_index > IB_CC_TABLE_CAP_DEFAULT - 1) |
| 2261 | goto bail; |
| 2262 | |
| 2263 | /* If this packet is the first in the sequence then |
| 2264 | * zero the total table entry count. |
| 2265 | */ |
| 2266 | if (be16_to_cpu(p->ccti_limit) < IB_CCT_ENTRIES) |
| 2267 | ppd->total_cct_entry = 0; |
| 2268 | |
| 2269 | cct_entry = (be16_to_cpu(p->ccti_limit))%IB_CCT_ENTRIES; |
| 2270 | |
| 2271 | /* ccti_limit is 0 to 63 */ |
| 2272 | ppd->total_cct_entry += (cct_entry + 1); |
| 2273 | |
| 2274 | if (ppd->total_cct_entry > ppd->cc_supported_table_entries) |
| 2275 | goto bail; |
| 2276 | |
| 2277 | ppd->ccti_limit = be16_to_cpu(p->ccti_limit); |
| 2278 | |
| 2279 | entries = ppd->ccti_entries + (IB_CCT_ENTRIES * cct_block_index); |
| 2280 | |
| 2281 | for (i = 0; i <= cct_entry; i++) |
| 2282 | entries[i].entry = be16_to_cpu(p->ccti_entries[i].entry); |
| 2283 | |
| 2284 | spin_lock(&ppd->cc_shadow_lock); |
| 2285 | |
| 2286 | ppd->ccti_entries_shadow->ccti_last_entry = ppd->total_cct_entry - 1; |
| 2287 | memcpy(ppd->ccti_entries_shadow->entries, ppd->ccti_entries, |
| 2288 | (ppd->total_cct_entry * sizeof(struct ib_cc_table_entry))); |
| 2289 | |
| 2290 | ppd->congestion_entries_shadow->port_control = IB_CC_CCS_PC_SL_BASED; |
| 2291 | ppd->congestion_entries_shadow->control_map = ppd->cc_sl_control_map; |
| 2292 | memcpy(ppd->congestion_entries_shadow->entries, ppd->congestion_entries, |
| 2293 | IB_CC_CCS_ENTRIES * sizeof(struct ib_cc_congestion_entry)); |
| 2294 | |
| 2295 | spin_unlock(&ppd->cc_shadow_lock); |
| 2296 | |
| 2297 | return reply((struct ib_smp *) ccp); |
| 2298 | |
| 2299 | bail: |
| 2300 | return reply_failure((struct ib_smp *) ccp); |
| 2301 | } |
| 2302 | |
| 2303 | static int check_cc_key(struct qib_ibport *ibp, |
| 2304 | struct ib_cc_mad *ccp, int mad_flags) |
| 2305 | { |
| 2306 | return 0; |
| 2307 | } |
| 2308 | |
| 2309 | static int process_cc(struct ib_device *ibdev, int mad_flags, |
Ira Weiny | a97e2d8 | 2015-05-31 17:15:30 -0400 | [diff] [blame] | 2310 | u8 port, const struct ib_mad *in_mad, |
Mike Marciniszyn | 36a8f01 | 2012-07-19 13:04:04 +0000 | [diff] [blame] | 2311 | struct ib_mad *out_mad) |
| 2312 | { |
| 2313 | struct ib_cc_mad *ccp = (struct ib_cc_mad *)out_mad; |
| 2314 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 2315 | int ret; |
| 2316 | |
| 2317 | *out_mad = *in_mad; |
| 2318 | |
| 2319 | if (ccp->class_version != 2) { |
| 2320 | ccp->status |= IB_SMP_UNSUP_VERSION; |
| 2321 | ret = reply((struct ib_smp *)ccp); |
| 2322 | goto bail; |
| 2323 | } |
| 2324 | |
| 2325 | ret = check_cc_key(ibp, ccp, mad_flags); |
| 2326 | if (ret) |
| 2327 | goto bail; |
| 2328 | |
| 2329 | switch (ccp->method) { |
| 2330 | case IB_MGMT_METHOD_GET: |
| 2331 | switch (ccp->attr_id) { |
| 2332 | case IB_CC_ATTR_CLASSPORTINFO: |
| 2333 | ret = cc_get_classportinfo(ccp, ibdev); |
| 2334 | goto bail; |
| 2335 | |
| 2336 | case IB_CC_ATTR_CONGESTION_INFO: |
| 2337 | ret = cc_get_congestion_info(ccp, ibdev, port); |
| 2338 | goto bail; |
| 2339 | |
| 2340 | case IB_CC_ATTR_CA_CONGESTION_SETTING: |
| 2341 | ret = cc_get_congestion_setting(ccp, ibdev, port); |
| 2342 | goto bail; |
| 2343 | |
| 2344 | case IB_CC_ATTR_CONGESTION_CONTROL_TABLE: |
| 2345 | ret = cc_get_congestion_control_table(ccp, ibdev, port); |
| 2346 | goto bail; |
| 2347 | |
| 2348 | /* FALLTHROUGH */ |
| 2349 | default: |
| 2350 | ccp->status |= IB_SMP_UNSUP_METH_ATTR; |
| 2351 | ret = reply((struct ib_smp *) ccp); |
| 2352 | goto bail; |
| 2353 | } |
| 2354 | |
| 2355 | case IB_MGMT_METHOD_SET: |
| 2356 | switch (ccp->attr_id) { |
| 2357 | case IB_CC_ATTR_CA_CONGESTION_SETTING: |
| 2358 | ret = cc_set_congestion_setting(ccp, ibdev, port); |
| 2359 | goto bail; |
| 2360 | |
| 2361 | case IB_CC_ATTR_CONGESTION_CONTROL_TABLE: |
| 2362 | ret = cc_set_congestion_control_table(ccp, ibdev, port); |
| 2363 | goto bail; |
| 2364 | |
| 2365 | /* FALLTHROUGH */ |
| 2366 | default: |
| 2367 | ccp->status |= IB_SMP_UNSUP_METH_ATTR; |
| 2368 | ret = reply((struct ib_smp *) ccp); |
| 2369 | goto bail; |
| 2370 | } |
| 2371 | |
| 2372 | case IB_MGMT_METHOD_GET_RESP: |
| 2373 | /* |
| 2374 | * The ib_mad module will call us to process responses |
| 2375 | * before checking for other consumers. |
| 2376 | * Just tell the caller to process it normally. |
| 2377 | */ |
| 2378 | ret = IB_MAD_RESULT_SUCCESS; |
| 2379 | goto bail; |
| 2380 | |
| 2381 | case IB_MGMT_METHOD_TRAP: |
| 2382 | default: |
| 2383 | ccp->status |= IB_SMP_UNSUP_METHOD; |
| 2384 | ret = reply((struct ib_smp *) ccp); |
| 2385 | } |
| 2386 | |
| 2387 | bail: |
| 2388 | return ret; |
| 2389 | } |
| 2390 | |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2391 | /** |
| 2392 | * qib_process_mad - process an incoming MAD packet |
| 2393 | * @ibdev: the infiniband device this packet came in on |
| 2394 | * @mad_flags: MAD flags |
| 2395 | * @port: the port number this packet came in on |
| 2396 | * @in_wc: the work completion entry for this packet |
| 2397 | * @in_grh: the global route header for this packet |
| 2398 | * @in_mad: the incoming MAD |
| 2399 | * @out_mad: any outgoing MAD reply |
| 2400 | * |
| 2401 | * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not |
| 2402 | * interested in processing. |
| 2403 | * |
| 2404 | * Note that the verbs framework has already done the MAD sanity checks, |
| 2405 | * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE |
| 2406 | * MADs. |
| 2407 | * |
| 2408 | * This is called by the ib_mad module. |
| 2409 | */ |
| 2410 | int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port, |
Ira Weiny | a97e2d8 | 2015-05-31 17:15:30 -0400 | [diff] [blame] | 2411 | const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
Ira Weiny | 4cd7c94 | 2015-06-06 14:38:31 -0400 | [diff] [blame] | 2412 | const struct ib_mad_hdr *in, size_t in_mad_size, |
| 2413 | struct ib_mad_hdr *out, size_t *out_mad_size, |
| 2414 | u16 *out_mad_pkey_index) |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2415 | { |
| 2416 | int ret; |
Mike Marciniszyn | 36a8f01 | 2012-07-19 13:04:04 +0000 | [diff] [blame] | 2417 | struct qib_ibport *ibp = to_iport(ibdev, port); |
| 2418 | struct qib_pportdata *ppd = ppd_from_ibp(ibp); |
Ira Weiny | 4cd7c94 | 2015-06-06 14:38:31 -0400 | [diff] [blame] | 2419 | const struct ib_mad *in_mad = (const struct ib_mad *)in; |
| 2420 | struct ib_mad *out_mad = (struct ib_mad *)out; |
| 2421 | |
Ira Weiny | 3b8ab70 | 2015-06-25 09:52:50 -0400 | [diff] [blame] | 2422 | if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || |
| 2423 | *out_mad_size != sizeof(*out_mad))) |
| 2424 | return IB_MAD_RESULT_FAILURE; |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2425 | |
| 2426 | switch (in_mad->mad_hdr.mgmt_class) { |
| 2427 | case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: |
| 2428 | case IB_MGMT_CLASS_SUBN_LID_ROUTED: |
| 2429 | ret = process_subn(ibdev, mad_flags, port, in_mad, out_mad); |
| 2430 | goto bail; |
| 2431 | |
| 2432 | case IB_MGMT_CLASS_PERF_MGMT: |
| 2433 | ret = process_perf(ibdev, port, in_mad, out_mad); |
| 2434 | goto bail; |
| 2435 | |
Mike Marciniszyn | 36a8f01 | 2012-07-19 13:04:04 +0000 | [diff] [blame] | 2436 | case IB_MGMT_CLASS_CONG_MGMT: |
| 2437 | if (!ppd->congestion_entries_shadow || |
| 2438 | !qib_cc_table_size) { |
| 2439 | ret = IB_MAD_RESULT_SUCCESS; |
| 2440 | goto bail; |
| 2441 | } |
| 2442 | ret = process_cc(ibdev, mad_flags, port, in_mad, out_mad); |
| 2443 | goto bail; |
| 2444 | |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2445 | default: |
| 2446 | ret = IB_MAD_RESULT_SUCCESS; |
| 2447 | } |
| 2448 | |
| 2449 | bail: |
| 2450 | return ret; |
| 2451 | } |
| 2452 | |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2453 | static void xmit_wait_timer_func(unsigned long opaque) |
| 2454 | { |
| 2455 | struct qib_pportdata *ppd = (struct qib_pportdata *)opaque; |
| 2456 | struct qib_devdata *dd = dd_from_ppd(ppd); |
| 2457 | unsigned long flags; |
| 2458 | u8 status; |
| 2459 | |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 2460 | spin_lock_irqsave(&ppd->ibport_data.rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2461 | if (ppd->cong_stats.flags == IB_PMA_CONG_HW_CONTROL_SAMPLE) { |
| 2462 | status = dd->f_portcntr(ppd, QIBPORTCNTR_PSSTAT); |
| 2463 | if (status == IB_PMA_SAMPLE_STATUS_DONE) { |
| 2464 | /* save counter cache */ |
| 2465 | cache_hw_sample_counters(ppd); |
| 2466 | ppd->cong_stats.flags = IB_PMA_CONG_HW_CONTROL_TIMER; |
| 2467 | } else |
| 2468 | goto done; |
| 2469 | } |
| 2470 | ppd->cong_stats.counter = xmit_wait_get_value_delta(ppd); |
| 2471 | dd->f_set_cntr_sample(ppd, QIB_CONG_TIMER_PSINTERVAL, 0x0); |
| 2472 | done: |
Harish Chegondi | f24a6d4 | 2016-01-22 12:56:02 -0800 | [diff] [blame] | 2473 | spin_unlock_irqrestore(&ppd->ibport_data.rvp.lock, flags); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2474 | mod_timer(&ppd->cong_stats.timer, jiffies + HZ); |
| 2475 | } |
| 2476 | |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 2477 | void qib_notify_create_mad_agent(struct rvt_dev_info *rdi, int port_idx) |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2478 | { |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 2479 | struct qib_ibdev *ibdev = container_of(rdi, struct qib_ibdev, rdi); |
| 2480 | struct qib_devdata *dd = container_of(ibdev, |
| 2481 | struct qib_devdata, verbs_dev); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2482 | |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 2483 | /* Initialize xmit_wait structure */ |
| 2484 | dd->pport[port_idx].cong_stats.counter = 0; |
| 2485 | init_timer(&dd->pport[port_idx].cong_stats.timer); |
| 2486 | dd->pport[port_idx].cong_stats.timer.function = xmit_wait_timer_func; |
| 2487 | dd->pport[port_idx].cong_stats.timer.data = |
| 2488 | (unsigned long)(&dd->pport[port_idx]); |
| 2489 | dd->pport[port_idx].cong_stats.timer.expires = 0; |
| 2490 | add_timer(&dd->pport[port_idx].cong_stats.timer); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2491 | } |
| 2492 | |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 2493 | void qib_notify_free_mad_agent(struct rvt_dev_info *rdi, int port_idx) |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2494 | { |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 2495 | struct qib_ibdev *ibdev = container_of(rdi, struct qib_ibdev, rdi); |
| 2496 | struct qib_devdata *dd = container_of(ibdev, |
| 2497 | struct qib_devdata, verbs_dev); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2498 | |
Dennis Dalessandro | 5196aa9 | 2016-01-22 13:07:30 -0800 | [diff] [blame] | 2499 | if (dd->pport[port_idx].cong_stats.timer.data) |
| 2500 | del_timer_sync(&dd->pport[port_idx].cong_stats.timer); |
Harish Chegondi | 21cfca3 | 2016-02-14 12:11:28 -0800 | [diff] [blame] | 2501 | |
| 2502 | if (dd->pport[port_idx].ibport_data.smi_ah) |
| 2503 | ib_destroy_ah(&dd->pport[port_idx].ibport_data.smi_ah->ibah); |
Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 2504 | } |