Commit | Line | Data |
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e28c00ad | 1 | /* |
759d5768 | 2 | * Copyright (c) 2006 QLogic, Inc. All rights reserved. |
e28c00ad BS |
3 | * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved. |
4 | * | |
5 | * This software is available to you under a choice of one of two | |
6 | * licenses. You may choose to be licensed under the terms of the GNU | |
7 | * General Public License (GPL) Version 2, available from the file | |
8 | * COPYING in the main directory of this source tree, or the | |
9 | * OpenIB.org BSD license below: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or | |
12 | * without modification, are permitted provided that the following | |
13 | * conditions are met: | |
14 | * | |
15 | * - Redistributions of source code must retain the above | |
16 | * copyright notice, this list of conditions and the following | |
17 | * disclaimer. | |
18 | * | |
19 | * - Redistributions in binary form must reproduce the above | |
20 | * copyright notice, this list of conditions and the following | |
21 | * disclaimer in the documentation and/or other materials | |
22 | * provided with the distribution. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
31 | * SOFTWARE. | |
32 | */ | |
33 | ||
34 | #include <rdma/ib_smi.h> | |
35 | ||
36 | #include "ipath_kernel.h" | |
37 | #include "ipath_verbs.h" | |
27b678dd | 38 | #include "ipath_common.h" |
e28c00ad BS |
39 | |
40 | #define IB_SMP_UNSUP_VERSION __constant_htons(0x0004) | |
41 | #define IB_SMP_UNSUP_METHOD __constant_htons(0x0008) | |
42 | #define IB_SMP_UNSUP_METH_ATTR __constant_htons(0x000C) | |
43 | #define IB_SMP_INVALID_FIELD __constant_htons(0x001C) | |
44 | ||
45 | static int reply(struct ib_smp *smp) | |
46 | { | |
47 | /* | |
48 | * The verbs framework will handle the directed/LID route | |
49 | * packet changes. | |
50 | */ | |
51 | smp->method = IB_MGMT_METHOD_GET_RESP; | |
52 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) | |
53 | smp->status |= IB_SMP_DIRECTION; | |
54 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; | |
55 | } | |
56 | ||
57 | static int recv_subn_get_nodedescription(struct ib_smp *smp, | |
58 | struct ib_device *ibdev) | |
59 | { | |
60 | if (smp->attr_mod) | |
61 | smp->status |= IB_SMP_INVALID_FIELD; | |
62 | ||
63 | strncpy(smp->data, ibdev->node_desc, sizeof(smp->data)); | |
64 | ||
65 | return reply(smp); | |
66 | } | |
67 | ||
68 | struct nodeinfo { | |
69 | u8 base_version; | |
70 | u8 class_version; | |
71 | u8 node_type; | |
72 | u8 num_ports; | |
73 | __be64 sys_guid; | |
74 | __be64 node_guid; | |
75 | __be64 port_guid; | |
76 | __be16 partition_cap; | |
77 | __be16 device_id; | |
78 | __be32 revision; | |
79 | u8 local_port_num; | |
80 | u8 vendor_id[3]; | |
81 | } __attribute__ ((packed)); | |
82 | ||
83 | static int recv_subn_get_nodeinfo(struct ib_smp *smp, | |
84 | struct ib_device *ibdev, u8 port) | |
85 | { | |
86 | struct nodeinfo *nip = (struct nodeinfo *)&smp->data; | |
87 | struct ipath_devdata *dd = to_idev(ibdev)->dd; | |
e8a88f09 | 88 | u32 vendor, majrev, minrev; |
e28c00ad | 89 | |
11b054fe BS |
90 | /* GUID 0 is illegal */ |
91 | if (smp->attr_mod || (dd->ipath_guid == 0)) | |
e28c00ad BS |
92 | smp->status |= IB_SMP_INVALID_FIELD; |
93 | ||
94 | nip->base_version = 1; | |
95 | nip->class_version = 1; | |
96 | nip->node_type = 1; /* channel adapter */ | |
97 | /* | |
98 | * XXX The num_ports value will need a layer function to get | |
99 | * the value if we ever have more than one IB port on a chip. | |
100 | * We will also need to get the GUID for the port. | |
101 | */ | |
102 | nip->num_ports = ibdev->phys_port_cnt; | |
103 | /* This is already in network order */ | |
104 | nip->sys_guid = to_idev(ibdev)->sys_image_guid; | |
34b2aafe | 105 | nip->node_guid = dd->ipath_guid; |
e28c00ad | 106 | nip->port_guid = nip->sys_guid; |
34b2aafe BS |
107 | nip->partition_cap = cpu_to_be16(ipath_get_npkeys(dd)); |
108 | nip->device_id = cpu_to_be16(dd->ipath_deviceid); | |
109 | majrev = dd->ipath_majrev; | |
110 | minrev = dd->ipath_minrev; | |
e28c00ad BS |
111 | nip->revision = cpu_to_be32((majrev << 16) | minrev); |
112 | nip->local_port_num = port; | |
34b2aafe | 113 | vendor = dd->ipath_vendorid; |
e28c00ad BS |
114 | nip->vendor_id[0] = 0; |
115 | nip->vendor_id[1] = vendor >> 8; | |
116 | nip->vendor_id[2] = vendor; | |
117 | ||
118 | return reply(smp); | |
119 | } | |
120 | ||
121 | static int recv_subn_get_guidinfo(struct ib_smp *smp, | |
122 | struct ib_device *ibdev) | |
123 | { | |
124 | u32 startgx = 8 * be32_to_cpu(smp->attr_mod); | |
125 | __be64 *p = (__be64 *) smp->data; | |
126 | ||
127 | /* 32 blocks of 8 64-bit GUIDs per block */ | |
128 | ||
129 | memset(smp->data, 0, sizeof(smp->data)); | |
130 | ||
131 | /* | |
132 | * We only support one GUID for now. If this changes, the | |
133 | * portinfo.guid_cap field needs to be updated too. | |
134 | */ | |
11b054fe BS |
135 | if (startgx == 0) { |
136 | __be64 g = to_idev(ibdev)->dd->ipath_guid; | |
137 | if (g == 0) | |
138 | /* GUID 0 is illegal */ | |
139 | smp->status |= IB_SMP_INVALID_FIELD; | |
140 | else | |
141 | /* The first is a copy of the read-only HW GUID. */ | |
142 | *p = g; | |
143 | } else | |
e28c00ad BS |
144 | smp->status |= IB_SMP_INVALID_FIELD; |
145 | ||
146 | return reply(smp); | |
147 | } | |
148 | ||
34b2aafe BS |
149 | |
150 | static int get_overrunthreshold(struct ipath_devdata *dd) | |
151 | { | |
152 | return (dd->ipath_ibcctrl >> | |
153 | INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT) & | |
154 | INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK; | |
155 | } | |
156 | ||
157 | /** | |
158 | * set_overrunthreshold - set the overrun threshold | |
159 | * @dd: the infinipath device | |
160 | * @n: the new threshold | |
161 | * | |
162 | * Note that this will only take effect when the link state changes. | |
163 | */ | |
164 | static int set_overrunthreshold(struct ipath_devdata *dd, unsigned n) | |
165 | { | |
166 | unsigned v; | |
167 | ||
168 | v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT) & | |
169 | INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK; | |
170 | if (v != n) { | |
171 | dd->ipath_ibcctrl &= | |
172 | ~(INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK << | |
173 | INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT); | |
174 | dd->ipath_ibcctrl |= | |
175 | (u64) n << INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT; | |
176 | ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, | |
177 | dd->ipath_ibcctrl); | |
178 | } | |
179 | return 0; | |
180 | } | |
181 | ||
182 | static int get_phyerrthreshold(struct ipath_devdata *dd) | |
183 | { | |
184 | return (dd->ipath_ibcctrl >> | |
185 | INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) & | |
186 | INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK; | |
187 | } | |
188 | ||
189 | /** | |
190 | * set_phyerrthreshold - set the physical error threshold | |
191 | * @dd: the infinipath device | |
192 | * @n: the new threshold | |
193 | * | |
194 | * Note that this will only take effect when the link state changes. | |
195 | */ | |
196 | static int set_phyerrthreshold(struct ipath_devdata *dd, unsigned n) | |
197 | { | |
198 | unsigned v; | |
199 | ||
200 | v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) & | |
201 | INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK; | |
202 | if (v != n) { | |
203 | dd->ipath_ibcctrl &= | |
204 | ~(INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK << | |
205 | INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT); | |
206 | dd->ipath_ibcctrl |= | |
207 | (u64) n << INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT; | |
208 | ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, | |
209 | dd->ipath_ibcctrl); | |
210 | } | |
211 | return 0; | |
212 | } | |
213 | ||
214 | /** | |
215 | * get_linkdowndefaultstate - get the default linkdown state | |
216 | * @dd: the infinipath device | |
217 | * | |
218 | * Returns zero if the default is POLL, 1 if the default is SLEEP. | |
219 | */ | |
220 | static int get_linkdowndefaultstate(struct ipath_devdata *dd) | |
221 | { | |
222 | return !!(dd->ipath_ibcctrl & INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE); | |
223 | } | |
224 | ||
e28c00ad BS |
225 | static int recv_subn_get_portinfo(struct ib_smp *smp, |
226 | struct ib_device *ibdev, u8 port) | |
227 | { | |
228 | struct ipath_ibdev *dev; | |
da2ab62a | 229 | struct ib_port_info *pip = (struct ib_port_info *)smp->data; |
e28c00ad BS |
230 | u16 lid; |
231 | u8 ibcstat; | |
232 | u8 mtu; | |
233 | int ret; | |
234 | ||
235 | if (be32_to_cpu(smp->attr_mod) > ibdev->phys_port_cnt) { | |
236 | smp->status |= IB_SMP_INVALID_FIELD; | |
237 | ret = reply(smp); | |
238 | goto bail; | |
239 | } | |
240 | ||
241 | dev = to_idev(ibdev); | |
242 | ||
243 | /* Clear all fields. Only set the non-zero fields. */ | |
244 | memset(smp->data, 0, sizeof(smp->data)); | |
245 | ||
246 | /* Only return the mkey if the protection field allows it. */ | |
247 | if (smp->method == IB_MGMT_METHOD_SET || dev->mkey == smp->mkey || | |
248 | (dev->mkeyprot_resv_lmc >> 6) == 0) | |
249 | pip->mkey = dev->mkey; | |
250 | pip->gid_prefix = dev->gid_prefix; | |
34b2aafe | 251 | lid = dev->dd->ipath_lid; |
e28c00ad BS |
252 | pip->lid = lid ? cpu_to_be16(lid) : IB_LID_PERMISSIVE; |
253 | pip->sm_lid = cpu_to_be16(dev->sm_lid); | |
254 | pip->cap_mask = cpu_to_be32(dev->port_cap_flags); | |
255 | /* pip->diag_code; */ | |
256 | pip->mkey_lease_period = cpu_to_be16(dev->mkey_lease_period); | |
257 | pip->local_port_num = port; | |
258 | pip->link_width_enabled = dev->link_width_enabled; | |
259 | pip->link_width_supported = 3; /* 1x or 4x */ | |
260 | pip->link_width_active = 2; /* 4x */ | |
261 | pip->linkspeed_portstate = 0x10; /* 2.5Gbps */ | |
34b2aafe | 262 | ibcstat = dev->dd->ipath_lastibcstat; |
e28c00ad BS |
263 | pip->linkspeed_portstate |= ((ibcstat >> 4) & 0x3) + 1; |
264 | pip->portphysstate_linkdown = | |
265 | (ipath_cvt_physportstate[ibcstat & 0xf] << 4) | | |
34b2aafe | 266 | (get_linkdowndefaultstate(dev->dd) ? 1 : 2); |
e28c00ad BS |
267 | pip->mkeyprot_resv_lmc = dev->mkeyprot_resv_lmc; |
268 | pip->linkspeedactive_enabled = 0x11; /* 2.5Gbps, 2.5Gbps */ | |
34b2aafe | 269 | switch (dev->dd->ipath_ibmtu) { |
e28c00ad BS |
270 | case 4096: |
271 | mtu = IB_MTU_4096; | |
272 | break; | |
273 | case 2048: | |
274 | mtu = IB_MTU_2048; | |
275 | break; | |
276 | case 1024: | |
277 | mtu = IB_MTU_1024; | |
278 | break; | |
279 | case 512: | |
280 | mtu = IB_MTU_512; | |
281 | break; | |
282 | case 256: | |
283 | mtu = IB_MTU_256; | |
284 | break; | |
285 | default: /* oops, something is wrong */ | |
286 | mtu = IB_MTU_2048; | |
287 | break; | |
288 | } | |
289 | pip->neighbormtu_mastersmsl = (mtu << 4) | dev->sm_sl; | |
290 | pip->vlcap_inittype = 0x10; /* VLCap = VL0, InitType = 0 */ | |
291 | pip->vl_high_limit = dev->vl_high_limit; | |
292 | /* pip->vl_arb_high_cap; // only one VL */ | |
293 | /* pip->vl_arb_low_cap; // only one VL */ | |
294 | /* InitTypeReply = 0 */ | |
e7340f04 RW |
295 | /* |
296 | * Note: the chips support a maximum MTU of 4096, but the driver | |
297 | * hasn't implemented this feature yet, so set the maximum value | |
298 | * to 2048. | |
299 | */ | |
300 | pip->inittypereply_mtucap = IB_MTU_2048; | |
e28c00ad BS |
301 | // HCAs ignore VLStallCount and HOQLife |
302 | /* pip->vlstallcnt_hoqlife; */ | |
303 | pip->operationalvl_pei_peo_fpi_fpo = 0x10; /* OVLs = 1 */ | |
304 | pip->mkey_violations = cpu_to_be16(dev->mkey_violations); | |
305 | /* P_KeyViolations are counted by hardware. */ | |
306 | pip->pkey_violations = | |
34b2aafe | 307 | cpu_to_be16((ipath_get_cr_errpkey(dev->dd) - |
443a64ab | 308 | dev->z_pkey_violations) & 0xFFFF); |
e28c00ad BS |
309 | pip->qkey_violations = cpu_to_be16(dev->qkey_violations); |
310 | /* Only the hardware GUID is supported for now */ | |
311 | pip->guid_cap = 1; | |
312 | pip->clientrereg_resv_subnetto = dev->subnet_timeout; | |
313 | /* 32.768 usec. response time (guessing) */ | |
314 | pip->resv_resptimevalue = 3; | |
315 | pip->localphyerrors_overrunerrors = | |
34b2aafe BS |
316 | (get_phyerrthreshold(dev->dd) << 4) | |
317 | get_overrunthreshold(dev->dd); | |
e28c00ad BS |
318 | /* pip->max_credit_hint; */ |
319 | /* pip->link_roundtrip_latency[3]; */ | |
320 | ||
321 | ret = reply(smp); | |
322 | ||
323 | bail: | |
324 | return ret; | |
325 | } | |
326 | ||
34b2aafe BS |
327 | /** |
328 | * get_pkeys - return the PKEY table for port 0 | |
329 | * @dd: the infinipath device | |
330 | * @pkeys: the pkey table is placed here | |
331 | */ | |
332 | static int get_pkeys(struct ipath_devdata *dd, u16 * pkeys) | |
333 | { | |
334 | struct ipath_portdata *pd = dd->ipath_pd[0]; | |
335 | ||
336 | memcpy(pkeys, pd->port_pkeys, sizeof(pd->port_pkeys)); | |
337 | ||
338 | return 0; | |
339 | } | |
340 | ||
e28c00ad BS |
341 | static int recv_subn_get_pkeytable(struct ib_smp *smp, |
342 | struct ib_device *ibdev) | |
343 | { | |
344 | u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); | |
345 | u16 *p = (u16 *) smp->data; | |
346 | __be16 *q = (__be16 *) smp->data; | |
347 | ||
348 | /* 64 blocks of 32 16-bit P_Key entries */ | |
349 | ||
350 | memset(smp->data, 0, sizeof(smp->data)); | |
351 | if (startpx == 0) { | |
352 | struct ipath_ibdev *dev = to_idev(ibdev); | |
34b2aafe | 353 | unsigned i, n = ipath_get_npkeys(dev->dd); |
e28c00ad | 354 | |
34b2aafe | 355 | get_pkeys(dev->dd, p); |
e28c00ad BS |
356 | |
357 | for (i = 0; i < n; i++) | |
358 | q[i] = cpu_to_be16(p[i]); | |
359 | } else | |
360 | smp->status |= IB_SMP_INVALID_FIELD; | |
361 | ||
362 | return reply(smp); | |
363 | } | |
364 | ||
365 | static int recv_subn_set_guidinfo(struct ib_smp *smp, | |
366 | struct ib_device *ibdev) | |
367 | { | |
368 | /* The only GUID we support is the first read-only entry. */ | |
369 | return recv_subn_get_guidinfo(smp, ibdev); | |
370 | } | |
371 | ||
34b2aafe BS |
372 | /** |
373 | * set_linkdowndefaultstate - set the default linkdown state | |
374 | * @dd: the infinipath device | |
375 | * @sleep: the new state | |
376 | * | |
377 | * Note that this will only take effect when the link state changes. | |
378 | */ | |
379 | static int set_linkdowndefaultstate(struct ipath_devdata *dd, int sleep) | |
380 | { | |
381 | if (sleep) | |
382 | dd->ipath_ibcctrl |= INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE; | |
383 | else | |
384 | dd->ipath_ibcctrl &= ~INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE; | |
385 | ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, | |
386 | dd->ipath_ibcctrl); | |
387 | return 0; | |
388 | } | |
389 | ||
e28c00ad BS |
390 | /** |
391 | * recv_subn_set_portinfo - set port information | |
392 | * @smp: the incoming SM packet | |
393 | * @ibdev: the infiniband device | |
394 | * @port: the port on the device | |
395 | * | |
396 | * Set Portinfo (see ch. 14.2.5.6). | |
397 | */ | |
398 | static int recv_subn_set_portinfo(struct ib_smp *smp, | |
399 | struct ib_device *ibdev, u8 port) | |
400 | { | |
da2ab62a | 401 | struct ib_port_info *pip = (struct ib_port_info *)smp->data; |
e28c00ad BS |
402 | struct ib_event event; |
403 | struct ipath_ibdev *dev; | |
404 | u32 flags; | |
405 | char clientrereg = 0; | |
406 | u16 lid, smlid; | |
407 | u8 lwe; | |
408 | u8 lse; | |
409 | u8 state; | |
410 | u16 lstate; | |
411 | u32 mtu; | |
34b2aafe | 412 | int ret, ore; |
e28c00ad BS |
413 | |
414 | if (be32_to_cpu(smp->attr_mod) > ibdev->phys_port_cnt) | |
415 | goto err; | |
416 | ||
417 | dev = to_idev(ibdev); | |
418 | event.device = ibdev; | |
419 | event.element.port_num = port; | |
420 | ||
421 | dev->mkey = pip->mkey; | |
422 | dev->gid_prefix = pip->gid_prefix; | |
423 | dev->mkey_lease_period = be16_to_cpu(pip->mkey_lease_period); | |
424 | ||
425 | lid = be16_to_cpu(pip->lid); | |
34b2aafe | 426 | if (lid != dev->dd->ipath_lid) { |
e28c00ad | 427 | /* Must be a valid unicast LID address. */ |
27b678dd | 428 | if (lid == 0 || lid >= IPATH_MULTICAST_LID_BASE) |
e28c00ad | 429 | goto err; |
1eb68b99 | 430 | ipath_set_lid(dev->dd, lid, pip->mkeyprot_resv_lmc & 7); |
e28c00ad BS |
431 | event.event = IB_EVENT_LID_CHANGE; |
432 | ib_dispatch_event(&event); | |
433 | } | |
434 | ||
435 | smlid = be16_to_cpu(pip->sm_lid); | |
436 | if (smlid != dev->sm_lid) { | |
437 | /* Must be a valid unicast LID address. */ | |
27b678dd | 438 | if (smlid == 0 || smlid >= IPATH_MULTICAST_LID_BASE) |
e28c00ad BS |
439 | goto err; |
440 | dev->sm_lid = smlid; | |
441 | event.event = IB_EVENT_SM_CHANGE; | |
442 | ib_dispatch_event(&event); | |
443 | } | |
444 | ||
445 | /* Only 4x supported but allow 1x or 4x to be set (see 14.2.6.6). */ | |
446 | lwe = pip->link_width_enabled; | |
447 | if ((lwe >= 4 && lwe <= 8) || (lwe >= 0xC && lwe <= 0xFE)) | |
448 | goto err; | |
449 | if (lwe == 0xFF) | |
450 | dev->link_width_enabled = 3; /* 1x or 4x */ | |
451 | else if (lwe) | |
452 | dev->link_width_enabled = lwe; | |
453 | ||
454 | /* Only 2.5 Gbs supported. */ | |
455 | lse = pip->linkspeedactive_enabled & 0xF; | |
456 | if (lse >= 2 && lse <= 0xE) | |
457 | goto err; | |
458 | ||
459 | /* Set link down default state. */ | |
460 | switch (pip->portphysstate_linkdown & 0xF) { | |
461 | case 0: /* NOP */ | |
462 | break; | |
463 | case 1: /* SLEEP */ | |
34b2aafe | 464 | if (set_linkdowndefaultstate(dev->dd, 1)) |
e28c00ad BS |
465 | goto err; |
466 | break; | |
467 | case 2: /* POLL */ | |
34b2aafe | 468 | if (set_linkdowndefaultstate(dev->dd, 0)) |
e28c00ad BS |
469 | goto err; |
470 | break; | |
471 | default: | |
472 | goto err; | |
473 | } | |
474 | ||
475 | dev->mkeyprot_resv_lmc = pip->mkeyprot_resv_lmc; | |
476 | dev->vl_high_limit = pip->vl_high_limit; | |
477 | ||
478 | switch ((pip->neighbormtu_mastersmsl >> 4) & 0xF) { | |
479 | case IB_MTU_256: | |
480 | mtu = 256; | |
481 | break; | |
482 | case IB_MTU_512: | |
483 | mtu = 512; | |
484 | break; | |
485 | case IB_MTU_1024: | |
486 | mtu = 1024; | |
487 | break; | |
488 | case IB_MTU_2048: | |
489 | mtu = 2048; | |
490 | break; | |
491 | case IB_MTU_4096: | |
492 | mtu = 4096; | |
493 | break; | |
494 | default: | |
495 | /* XXX We have already partially updated our state! */ | |
496 | goto err; | |
497 | } | |
34b2aafe | 498 | ipath_set_mtu(dev->dd, mtu); |
e28c00ad BS |
499 | |
500 | dev->sm_sl = pip->neighbormtu_mastersmsl & 0xF; | |
501 | ||
502 | /* We only support VL0 */ | |
503 | if (((pip->operationalvl_pei_peo_fpi_fpo >> 4) & 0xF) > 1) | |
504 | goto err; | |
505 | ||
506 | if (pip->mkey_violations == 0) | |
507 | dev->mkey_violations = 0; | |
508 | ||
509 | /* | |
510 | * Hardware counter can't be reset so snapshot and subtract | |
511 | * later. | |
512 | */ | |
513 | if (pip->pkey_violations == 0) | |
34b2aafe | 514 | dev->z_pkey_violations = ipath_get_cr_errpkey(dev->dd); |
e28c00ad BS |
515 | |
516 | if (pip->qkey_violations == 0) | |
517 | dev->qkey_violations = 0; | |
518 | ||
34b2aafe BS |
519 | ore = pip->localphyerrors_overrunerrors; |
520 | if (set_phyerrthreshold(dev->dd, (ore >> 4) & 0xF)) | |
e28c00ad BS |
521 | goto err; |
522 | ||
34b2aafe | 523 | if (set_overrunthreshold(dev->dd, (ore & 0xF))) |
e28c00ad BS |
524 | goto err; |
525 | ||
526 | dev->subnet_timeout = pip->clientrereg_resv_subnetto & 0x1F; | |
527 | ||
528 | if (pip->clientrereg_resv_subnetto & 0x80) { | |
529 | clientrereg = 1; | |
6eddb5cb | 530 | event.event = IB_EVENT_CLIENT_REREGISTER; |
e28c00ad BS |
531 | ib_dispatch_event(&event); |
532 | } | |
533 | ||
534 | /* | |
535 | * Do the port state change now that the other link parameters | |
536 | * have been set. | |
537 | * Changing the port physical state only makes sense if the link | |
538 | * is down or is being set to down. | |
539 | */ | |
540 | state = pip->linkspeed_portstate & 0xF; | |
34b2aafe | 541 | flags = dev->dd->ipath_flags; |
e28c00ad BS |
542 | lstate = (pip->portphysstate_linkdown >> 4) & 0xF; |
543 | if (lstate && !(state == IB_PORT_DOWN || state == IB_PORT_NOP)) | |
544 | goto err; | |
545 | ||
546 | /* | |
547 | * Only state changes of DOWN, ARM, and ACTIVE are valid | |
548 | * and must be in the correct state to take effect (see 7.2.6). | |
549 | */ | |
550 | switch (state) { | |
551 | case IB_PORT_NOP: | |
552 | if (lstate == 0) | |
553 | break; | |
554 | /* FALLTHROUGH */ | |
555 | case IB_PORT_DOWN: | |
556 | if (lstate == 0) | |
34b2aafe | 557 | if (get_linkdowndefaultstate(dev->dd)) |
e28c00ad BS |
558 | lstate = IPATH_IB_LINKDOWN_SLEEP; |
559 | else | |
560 | lstate = IPATH_IB_LINKDOWN; | |
561 | else if (lstate == 1) | |
562 | lstate = IPATH_IB_LINKDOWN_SLEEP; | |
563 | else if (lstate == 2) | |
564 | lstate = IPATH_IB_LINKDOWN; | |
565 | else if (lstate == 3) | |
566 | lstate = IPATH_IB_LINKDOWN_DISABLE; | |
567 | else | |
568 | goto err; | |
34b2aafe | 569 | ipath_set_linkstate(dev->dd, lstate); |
e28c00ad BS |
570 | if (flags & IPATH_LINKACTIVE) { |
571 | event.event = IB_EVENT_PORT_ERR; | |
572 | ib_dispatch_event(&event); | |
573 | } | |
574 | break; | |
575 | case IB_PORT_ARMED: | |
576 | if (!(flags & (IPATH_LINKINIT | IPATH_LINKACTIVE))) | |
577 | break; | |
34b2aafe | 578 | ipath_set_linkstate(dev->dd, IPATH_IB_LINKARM); |
e28c00ad BS |
579 | if (flags & IPATH_LINKACTIVE) { |
580 | event.event = IB_EVENT_PORT_ERR; | |
581 | ib_dispatch_event(&event); | |
582 | } | |
583 | break; | |
584 | case IB_PORT_ACTIVE: | |
585 | if (!(flags & IPATH_LINKARMED)) | |
586 | break; | |
34b2aafe | 587 | ipath_set_linkstate(dev->dd, IPATH_IB_LINKACTIVE); |
e28c00ad BS |
588 | event.event = IB_EVENT_PORT_ACTIVE; |
589 | ib_dispatch_event(&event); | |
590 | break; | |
591 | default: | |
592 | /* XXX We have already partially updated our state! */ | |
593 | goto err; | |
594 | } | |
595 | ||
596 | ret = recv_subn_get_portinfo(smp, ibdev, port); | |
597 | ||
598 | if (clientrereg) | |
599 | pip->clientrereg_resv_subnetto |= 0x80; | |
600 | ||
601 | goto done; | |
602 | ||
603 | err: | |
604 | smp->status |= IB_SMP_INVALID_FIELD; | |
605 | ret = recv_subn_get_portinfo(smp, ibdev, port); | |
606 | ||
607 | done: | |
608 | return ret; | |
609 | } | |
610 | ||
34b2aafe BS |
611 | /** |
612 | * rm_pkey - decrecment the reference count for the given PKEY | |
613 | * @dd: the infinipath device | |
614 | * @key: the PKEY index | |
615 | * | |
616 | * Return true if this was the last reference and the hardware table entry | |
617 | * needs to be changed. | |
618 | */ | |
619 | static int rm_pkey(struct ipath_devdata *dd, u16 key) | |
620 | { | |
621 | int i; | |
622 | int ret; | |
623 | ||
624 | for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { | |
625 | if (dd->ipath_pkeys[i] != key) | |
626 | continue; | |
627 | if (atomic_dec_and_test(&dd->ipath_pkeyrefs[i])) { | |
628 | dd->ipath_pkeys[i] = 0; | |
629 | ret = 1; | |
630 | goto bail; | |
631 | } | |
632 | break; | |
633 | } | |
634 | ||
635 | ret = 0; | |
636 | ||
637 | bail: | |
638 | return ret; | |
639 | } | |
640 | ||
641 | /** | |
642 | * add_pkey - add the given PKEY to the hardware table | |
643 | * @dd: the infinipath device | |
644 | * @key: the PKEY | |
645 | * | |
646 | * Return an error code if unable to add the entry, zero if no change, | |
647 | * or 1 if the hardware PKEY register needs to be updated. | |
648 | */ | |
649 | static int add_pkey(struct ipath_devdata *dd, u16 key) | |
650 | { | |
651 | int i; | |
652 | u16 lkey = key & 0x7FFF; | |
653 | int any = 0; | |
654 | int ret; | |
655 | ||
656 | if (lkey == 0x7FFF) { | |
657 | ret = 0; | |
658 | goto bail; | |
659 | } | |
660 | ||
661 | /* Look for an empty slot or a matching PKEY. */ | |
662 | for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { | |
663 | if (!dd->ipath_pkeys[i]) { | |
664 | any++; | |
665 | continue; | |
666 | } | |
667 | /* If it matches exactly, try to increment the ref count */ | |
668 | if (dd->ipath_pkeys[i] == key) { | |
669 | if (atomic_inc_return(&dd->ipath_pkeyrefs[i]) > 1) { | |
670 | ret = 0; | |
671 | goto bail; | |
672 | } | |
673 | /* Lost the race. Look for an empty slot below. */ | |
674 | atomic_dec(&dd->ipath_pkeyrefs[i]); | |
675 | any++; | |
676 | } | |
677 | /* | |
678 | * It makes no sense to have both the limited and unlimited | |
679 | * PKEY set at the same time since the unlimited one will | |
680 | * disable the limited one. | |
681 | */ | |
682 | if ((dd->ipath_pkeys[i] & 0x7FFF) == lkey) { | |
683 | ret = -EEXIST; | |
684 | goto bail; | |
685 | } | |
686 | } | |
687 | if (!any) { | |
688 | ret = -EBUSY; | |
689 | goto bail; | |
690 | } | |
691 | for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { | |
692 | if (!dd->ipath_pkeys[i] && | |
693 | atomic_inc_return(&dd->ipath_pkeyrefs[i]) == 1) { | |
694 | /* for ipathstats, etc. */ | |
695 | ipath_stats.sps_pkeys[i] = lkey; | |
696 | dd->ipath_pkeys[i] = key; | |
697 | ret = 1; | |
698 | goto bail; | |
699 | } | |
700 | } | |
701 | ret = -EBUSY; | |
702 | ||
703 | bail: | |
704 | return ret; | |
705 | } | |
706 | ||
707 | /** | |
708 | * set_pkeys - set the PKEY table for port 0 | |
709 | * @dd: the infinipath device | |
710 | * @pkeys: the PKEY table | |
711 | */ | |
712 | static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys) | |
713 | { | |
714 | struct ipath_portdata *pd; | |
715 | int i; | |
716 | int changed = 0; | |
717 | ||
718 | pd = dd->ipath_pd[0]; | |
719 | ||
720 | for (i = 0; i < ARRAY_SIZE(pd->port_pkeys); i++) { | |
721 | u16 key = pkeys[i]; | |
722 | u16 okey = pd->port_pkeys[i]; | |
723 | ||
724 | if (key == okey) | |
725 | continue; | |
726 | /* | |
727 | * The value of this PKEY table entry is changing. | |
728 | * Remove the old entry in the hardware's array of PKEYs. | |
729 | */ | |
730 | if (okey & 0x7FFF) | |
731 | changed |= rm_pkey(dd, okey); | |
732 | if (key & 0x7FFF) { | |
733 | int ret = add_pkey(dd, key); | |
734 | ||
735 | if (ret < 0) | |
736 | key = 0; | |
737 | else | |
738 | changed |= ret; | |
739 | } | |
740 | pd->port_pkeys[i] = key; | |
741 | } | |
742 | if (changed) { | |
743 | u64 pkey; | |
744 | ||
745 | pkey = (u64) dd->ipath_pkeys[0] | | |
746 | ((u64) dd->ipath_pkeys[1] << 16) | | |
747 | ((u64) dd->ipath_pkeys[2] << 32) | | |
748 | ((u64) dd->ipath_pkeys[3] << 48); | |
749 | ipath_cdbg(VERBOSE, "p0 new pkey reg %llx\n", | |
750 | (unsigned long long) pkey); | |
751 | ipath_write_kreg(dd, dd->ipath_kregs->kr_partitionkey, | |
752 | pkey); | |
753 | } | |
754 | return 0; | |
755 | } | |
756 | ||
e28c00ad BS |
757 | static int recv_subn_set_pkeytable(struct ib_smp *smp, |
758 | struct ib_device *ibdev) | |
759 | { | |
760 | u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); | |
761 | __be16 *p = (__be16 *) smp->data; | |
762 | u16 *q = (u16 *) smp->data; | |
763 | struct ipath_ibdev *dev = to_idev(ibdev); | |
34b2aafe | 764 | unsigned i, n = ipath_get_npkeys(dev->dd); |
e28c00ad BS |
765 | |
766 | for (i = 0; i < n; i++) | |
767 | q[i] = be16_to_cpu(p[i]); | |
768 | ||
34b2aafe | 769 | if (startpx != 0 || set_pkeys(dev->dd, q) != 0) |
e28c00ad BS |
770 | smp->status |= IB_SMP_INVALID_FIELD; |
771 | ||
772 | return recv_subn_get_pkeytable(smp, ibdev); | |
773 | } | |
774 | ||
775 | #define IB_PMA_CLASS_PORT_INFO __constant_htons(0x0001) | |
776 | #define IB_PMA_PORT_SAMPLES_CONTROL __constant_htons(0x0010) | |
777 | #define IB_PMA_PORT_SAMPLES_RESULT __constant_htons(0x0011) | |
778 | #define IB_PMA_PORT_COUNTERS __constant_htons(0x0012) | |
779 | #define IB_PMA_PORT_COUNTERS_EXT __constant_htons(0x001D) | |
780 | #define IB_PMA_PORT_SAMPLES_RESULT_EXT __constant_htons(0x001E) | |
781 | ||
782 | struct ib_perf { | |
783 | u8 base_version; | |
784 | u8 mgmt_class; | |
785 | u8 class_version; | |
786 | u8 method; | |
787 | __be16 status; | |
788 | __be16 unused; | |
789 | __be64 tid; | |
790 | __be16 attr_id; | |
791 | __be16 resv; | |
792 | __be32 attr_mod; | |
793 | u8 reserved[40]; | |
794 | u8 data[192]; | |
795 | } __attribute__ ((packed)); | |
796 | ||
797 | struct ib_pma_classportinfo { | |
798 | u8 base_version; | |
799 | u8 class_version; | |
800 | __be16 cap_mask; | |
801 | u8 reserved[3]; | |
802 | u8 resp_time_value; /* only lower 5 bits */ | |
803 | union ib_gid redirect_gid; | |
804 | __be32 redirect_tc_sl_fl; /* 8, 4, 20 bits respectively */ | |
805 | __be16 redirect_lid; | |
806 | __be16 redirect_pkey; | |
807 | __be32 redirect_qp; /* only lower 24 bits */ | |
808 | __be32 redirect_qkey; | |
809 | union ib_gid trap_gid; | |
810 | __be32 trap_tc_sl_fl; /* 8, 4, 20 bits respectively */ | |
811 | __be16 trap_lid; | |
812 | __be16 trap_pkey; | |
813 | __be32 trap_hl_qp; /* 8, 24 bits respectively */ | |
814 | __be32 trap_qkey; | |
815 | } __attribute__ ((packed)); | |
816 | ||
817 | struct ib_pma_portsamplescontrol { | |
818 | u8 opcode; | |
819 | u8 port_select; | |
820 | u8 tick; | |
821 | u8 counter_width; /* only lower 3 bits */ | |
822 | __be32 counter_mask0_9; /* 2, 10 * 3, bits */ | |
823 | __be16 counter_mask10_14; /* 1, 5 * 3, bits */ | |
824 | u8 sample_mechanisms; | |
825 | u8 sample_status; /* only lower 2 bits */ | |
826 | __be64 option_mask; | |
827 | __be64 vendor_mask; | |
828 | __be32 sample_start; | |
829 | __be32 sample_interval; | |
830 | __be16 tag; | |
831 | __be16 counter_select[15]; | |
832 | } __attribute__ ((packed)); | |
833 | ||
834 | struct ib_pma_portsamplesresult { | |
835 | __be16 tag; | |
836 | __be16 sample_status; /* only lower 2 bits */ | |
837 | __be32 counter[15]; | |
838 | } __attribute__ ((packed)); | |
839 | ||
840 | struct ib_pma_portsamplesresult_ext { | |
841 | __be16 tag; | |
842 | __be16 sample_status; /* only lower 2 bits */ | |
843 | __be32 extended_width; /* only upper 2 bits */ | |
844 | __be64 counter[15]; | |
845 | } __attribute__ ((packed)); | |
846 | ||
847 | struct ib_pma_portcounters { | |
848 | u8 reserved; | |
849 | u8 port_select; | |
850 | __be16 counter_select; | |
851 | __be16 symbol_error_counter; | |
852 | u8 link_error_recovery_counter; | |
853 | u8 link_downed_counter; | |
854 | __be16 port_rcv_errors; | |
855 | __be16 port_rcv_remphys_errors; | |
856 | __be16 port_rcv_switch_relay_errors; | |
857 | __be16 port_xmit_discards; | |
858 | u8 port_xmit_constraint_errors; | |
859 | u8 port_rcv_constraint_errors; | |
860 | u8 reserved1; | |
861 | u8 lli_ebor_errors; /* 4, 4, bits */ | |
862 | __be16 reserved2; | |
863 | __be16 vl15_dropped; | |
864 | __be32 port_xmit_data; | |
865 | __be32 port_rcv_data; | |
866 | __be32 port_xmit_packets; | |
867 | __be32 port_rcv_packets; | |
868 | } __attribute__ ((packed)); | |
869 | ||
870 | #define IB_PMA_SEL_SYMBOL_ERROR __constant_htons(0x0001) | |
871 | #define IB_PMA_SEL_LINK_ERROR_RECOVERY __constant_htons(0x0002) | |
872 | #define IB_PMA_SEL_LINK_DOWNED __constant_htons(0x0004) | |
873 | #define IB_PMA_SEL_PORT_RCV_ERRORS __constant_htons(0x0008) | |
874 | #define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS __constant_htons(0x0010) | |
875 | #define IB_PMA_SEL_PORT_XMIT_DISCARDS __constant_htons(0x0040) | |
fba75200 BS |
876 | #define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS __constant_htons(0x0200) |
877 | #define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS __constant_htons(0x0400) | |
878 | #define IB_PMA_SEL_PORT_VL15_DROPPED __constant_htons(0x0800) | |
e28c00ad BS |
879 | #define IB_PMA_SEL_PORT_XMIT_DATA __constant_htons(0x1000) |
880 | #define IB_PMA_SEL_PORT_RCV_DATA __constant_htons(0x2000) | |
881 | #define IB_PMA_SEL_PORT_XMIT_PACKETS __constant_htons(0x4000) | |
882 | #define IB_PMA_SEL_PORT_RCV_PACKETS __constant_htons(0x8000) | |
883 | ||
884 | struct ib_pma_portcounters_ext { | |
885 | u8 reserved; | |
886 | u8 port_select; | |
887 | __be16 counter_select; | |
888 | __be32 reserved1; | |
889 | __be64 port_xmit_data; | |
890 | __be64 port_rcv_data; | |
891 | __be64 port_xmit_packets; | |
892 | __be64 port_rcv_packets; | |
893 | __be64 port_unicast_xmit_packets; | |
894 | __be64 port_unicast_rcv_packets; | |
895 | __be64 port_multicast_xmit_packets; | |
896 | __be64 port_multicast_rcv_packets; | |
897 | } __attribute__ ((packed)); | |
898 | ||
899 | #define IB_PMA_SELX_PORT_XMIT_DATA __constant_htons(0x0001) | |
900 | #define IB_PMA_SELX_PORT_RCV_DATA __constant_htons(0x0002) | |
901 | #define IB_PMA_SELX_PORT_XMIT_PACKETS __constant_htons(0x0004) | |
902 | #define IB_PMA_SELX_PORT_RCV_PACKETS __constant_htons(0x0008) | |
903 | #define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS __constant_htons(0x0010) | |
904 | #define IB_PMA_SELX_PORT_UNI_RCV_PACKETS __constant_htons(0x0020) | |
905 | #define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS __constant_htons(0x0040) | |
906 | #define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS __constant_htons(0x0080) | |
907 | ||
908 | static int recv_pma_get_classportinfo(struct ib_perf *pmp) | |
909 | { | |
910 | struct ib_pma_classportinfo *p = | |
911 | (struct ib_pma_classportinfo *)pmp->data; | |
912 | ||
913 | memset(pmp->data, 0, sizeof(pmp->data)); | |
914 | ||
915 | if (pmp->attr_mod != 0) | |
916 | pmp->status |= IB_SMP_INVALID_FIELD; | |
917 | ||
918 | /* Indicate AllPortSelect is valid (only one port anyway) */ | |
919 | p->cap_mask = __constant_cpu_to_be16(1 << 8); | |
920 | p->base_version = 1; | |
921 | p->class_version = 1; | |
922 | /* | |
923 | * Expected response time is 4.096 usec. * 2^18 == 1.073741824 | |
924 | * sec. | |
925 | */ | |
926 | p->resp_time_value = 18; | |
927 | ||
928 | return reply((struct ib_smp *) pmp); | |
929 | } | |
930 | ||
931 | /* | |
932 | * The PortSamplesControl.CounterMasks field is an array of 3 bit fields | |
933 | * which specify the N'th counter's capabilities. See ch. 16.1.3.2. | |
934 | * We support 5 counters which only count the mandatory quantities. | |
935 | */ | |
936 | #define COUNTER_MASK(q, n) (q << ((9 - n) * 3)) | |
937 | #define COUNTER_MASK0_9 \ | |
938 | __constant_cpu_to_be32(COUNTER_MASK(1, 0) | \ | |
939 | COUNTER_MASK(1, 1) | \ | |
940 | COUNTER_MASK(1, 2) | \ | |
941 | COUNTER_MASK(1, 3) | \ | |
942 | COUNTER_MASK(1, 4)) | |
943 | ||
944 | static int recv_pma_get_portsamplescontrol(struct ib_perf *pmp, | |
945 | struct ib_device *ibdev, u8 port) | |
946 | { | |
947 | struct ib_pma_portsamplescontrol *p = | |
948 | (struct ib_pma_portsamplescontrol *)pmp->data; | |
949 | struct ipath_ibdev *dev = to_idev(ibdev); | |
950 | unsigned long flags; | |
951 | u8 port_select = p->port_select; | |
952 | ||
953 | memset(pmp->data, 0, sizeof(pmp->data)); | |
954 | ||
955 | p->port_select = port_select; | |
956 | if (pmp->attr_mod != 0 || | |
957 | (port_select != port && port_select != 0xFF)) | |
958 | pmp->status |= IB_SMP_INVALID_FIELD; | |
959 | /* | |
960 | * Ticks are 10x the link transfer period which for 2.5Gbs is 4 | |
961 | * nsec. 0 == 4 nsec., 1 == 8 nsec., ..., 255 == 1020 nsec. Sample | |
962 | * intervals are counted in ticks. Since we use Linux timers, that | |
963 | * count in jiffies, we can't sample for less than 1000 ticks if HZ | |
964 | * == 1000 (4000 ticks if HZ is 250). | |
965 | */ | |
966 | /* XXX This is WRONG. */ | |
967 | p->tick = 250; /* 1 usec. */ | |
968 | p->counter_width = 4; /* 32 bit counters */ | |
969 | p->counter_mask0_9 = COUNTER_MASK0_9; | |
970 | spin_lock_irqsave(&dev->pending_lock, flags); | |
971 | p->sample_status = dev->pma_sample_status; | |
972 | p->sample_start = cpu_to_be32(dev->pma_sample_start); | |
973 | p->sample_interval = cpu_to_be32(dev->pma_sample_interval); | |
974 | p->tag = cpu_to_be16(dev->pma_tag); | |
975 | p->counter_select[0] = dev->pma_counter_select[0]; | |
976 | p->counter_select[1] = dev->pma_counter_select[1]; | |
977 | p->counter_select[2] = dev->pma_counter_select[2]; | |
978 | p->counter_select[3] = dev->pma_counter_select[3]; | |
979 | p->counter_select[4] = dev->pma_counter_select[4]; | |
980 | spin_unlock_irqrestore(&dev->pending_lock, flags); | |
981 | ||
982 | return reply((struct ib_smp *) pmp); | |
983 | } | |
984 | ||
985 | static int recv_pma_set_portsamplescontrol(struct ib_perf *pmp, | |
986 | struct ib_device *ibdev, u8 port) | |
987 | { | |
988 | struct ib_pma_portsamplescontrol *p = | |
989 | (struct ib_pma_portsamplescontrol *)pmp->data; | |
990 | struct ipath_ibdev *dev = to_idev(ibdev); | |
991 | unsigned long flags; | |
992 | u32 start; | |
993 | int ret; | |
994 | ||
995 | if (pmp->attr_mod != 0 || | |
996 | (p->port_select != port && p->port_select != 0xFF)) { | |
997 | pmp->status |= IB_SMP_INVALID_FIELD; | |
998 | ret = reply((struct ib_smp *) pmp); | |
999 | goto bail; | |
1000 | } | |
1001 | ||
1002 | start = be32_to_cpu(p->sample_start); | |
1003 | if (start != 0) { | |
1004 | spin_lock_irqsave(&dev->pending_lock, flags); | |
1005 | if (dev->pma_sample_status == IB_PMA_SAMPLE_STATUS_DONE) { | |
1006 | dev->pma_sample_status = | |
1007 | IB_PMA_SAMPLE_STATUS_STARTED; | |
1008 | dev->pma_sample_start = start; | |
1009 | dev->pma_sample_interval = | |
1010 | be32_to_cpu(p->sample_interval); | |
1011 | dev->pma_tag = be16_to_cpu(p->tag); | |
1012 | if (p->counter_select[0]) | |
1013 | dev->pma_counter_select[0] = | |
1014 | p->counter_select[0]; | |
1015 | if (p->counter_select[1]) | |
1016 | dev->pma_counter_select[1] = | |
1017 | p->counter_select[1]; | |
1018 | if (p->counter_select[2]) | |
1019 | dev->pma_counter_select[2] = | |
1020 | p->counter_select[2]; | |
1021 | if (p->counter_select[3]) | |
1022 | dev->pma_counter_select[3] = | |
1023 | p->counter_select[3]; | |
1024 | if (p->counter_select[4]) | |
1025 | dev->pma_counter_select[4] = | |
1026 | p->counter_select[4]; | |
1027 | } | |
1028 | spin_unlock_irqrestore(&dev->pending_lock, flags); | |
1029 | } | |
1030 | ret = recv_pma_get_portsamplescontrol(pmp, ibdev, port); | |
1031 | ||
1032 | bail: | |
1033 | return ret; | |
1034 | } | |
1035 | ||
1036 | static u64 get_counter(struct ipath_ibdev *dev, __be16 sel) | |
1037 | { | |
1038 | u64 ret; | |
1039 | ||
1040 | switch (sel) { | |
1041 | case IB_PMA_PORT_XMIT_DATA: | |
1042 | ret = dev->ipath_sword; | |
1043 | break; | |
1044 | case IB_PMA_PORT_RCV_DATA: | |
1045 | ret = dev->ipath_rword; | |
1046 | break; | |
1047 | case IB_PMA_PORT_XMIT_PKTS: | |
1048 | ret = dev->ipath_spkts; | |
1049 | break; | |
1050 | case IB_PMA_PORT_RCV_PKTS: | |
1051 | ret = dev->ipath_rpkts; | |
1052 | break; | |
1053 | case IB_PMA_PORT_XMIT_WAIT: | |
1054 | ret = dev->ipath_xmit_wait; | |
1055 | break; | |
1056 | default: | |
1057 | ret = 0; | |
1058 | } | |
1059 | ||
1060 | return ret; | |
1061 | } | |
1062 | ||
1063 | static int recv_pma_get_portsamplesresult(struct ib_perf *pmp, | |
1064 | struct ib_device *ibdev) | |
1065 | { | |
1066 | struct ib_pma_portsamplesresult *p = | |
1067 | (struct ib_pma_portsamplesresult *)pmp->data; | |
1068 | struct ipath_ibdev *dev = to_idev(ibdev); | |
1069 | int i; | |
1070 | ||
1071 | memset(pmp->data, 0, sizeof(pmp->data)); | |
1072 | p->tag = cpu_to_be16(dev->pma_tag); | |
1073 | p->sample_status = cpu_to_be16(dev->pma_sample_status); | |
1074 | for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++) | |
1075 | p->counter[i] = cpu_to_be32( | |
1076 | get_counter(dev, dev->pma_counter_select[i])); | |
1077 | ||
1078 | return reply((struct ib_smp *) pmp); | |
1079 | } | |
1080 | ||
1081 | static int recv_pma_get_portsamplesresult_ext(struct ib_perf *pmp, | |
1082 | struct ib_device *ibdev) | |
1083 | { | |
1084 | struct ib_pma_portsamplesresult_ext *p = | |
1085 | (struct ib_pma_portsamplesresult_ext *)pmp->data; | |
1086 | struct ipath_ibdev *dev = to_idev(ibdev); | |
1087 | int i; | |
1088 | ||
1089 | memset(pmp->data, 0, sizeof(pmp->data)); | |
1090 | p->tag = cpu_to_be16(dev->pma_tag); | |
1091 | p->sample_status = cpu_to_be16(dev->pma_sample_status); | |
1092 | /* 64 bits */ | |
1093 | p->extended_width = __constant_cpu_to_be32(0x80000000); | |
1094 | for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++) | |
1095 | p->counter[i] = cpu_to_be64( | |
1096 | get_counter(dev, dev->pma_counter_select[i])); | |
1097 | ||
1098 | return reply((struct ib_smp *) pmp); | |
1099 | } | |
1100 | ||
1101 | static int recv_pma_get_portcounters(struct ib_perf *pmp, | |
1102 | struct ib_device *ibdev, u8 port) | |
1103 | { | |
1104 | struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) | |
1105 | pmp->data; | |
1106 | struct ipath_ibdev *dev = to_idev(ibdev); | |
34b2aafe | 1107 | struct ipath_verbs_counters cntrs; |
e28c00ad BS |
1108 | u8 port_select = p->port_select; |
1109 | ||
34b2aafe | 1110 | ipath_get_counters(dev->dd, &cntrs); |
e28c00ad BS |
1111 | |
1112 | /* Adjust counters for any resets done. */ | |
443a64ab | 1113 | cntrs.symbol_error_counter -= dev->z_symbol_error_counter; |
e28c00ad | 1114 | cntrs.link_error_recovery_counter -= |
443a64ab BS |
1115 | dev->z_link_error_recovery_counter; |
1116 | cntrs.link_downed_counter -= dev->z_link_downed_counter; | |
e28c00ad | 1117 | cntrs.port_rcv_errors += dev->rcv_errors; |
443a64ab BS |
1118 | cntrs.port_rcv_errors -= dev->z_port_rcv_errors; |
1119 | cntrs.port_rcv_remphys_errors -= dev->z_port_rcv_remphys_errors; | |
1120 | cntrs.port_xmit_discards -= dev->z_port_xmit_discards; | |
1121 | cntrs.port_xmit_data -= dev->z_port_xmit_data; | |
1122 | cntrs.port_rcv_data -= dev->z_port_rcv_data; | |
1123 | cntrs.port_xmit_packets -= dev->z_port_xmit_packets; | |
1124 | cntrs.port_rcv_packets -= dev->z_port_rcv_packets; | |
fba75200 BS |
1125 | cntrs.local_link_integrity_errors -= |
1126 | dev->z_local_link_integrity_errors; | |
1127 | cntrs.excessive_buffer_overrun_errors -= | |
1128 | dev->z_excessive_buffer_overrun_errors; | |
e28c00ad BS |
1129 | |
1130 | memset(pmp->data, 0, sizeof(pmp->data)); | |
1131 | ||
1132 | p->port_select = port_select; | |
1133 | if (pmp->attr_mod != 0 || | |
1134 | (port_select != port && port_select != 0xFF)) | |
1135 | pmp->status |= IB_SMP_INVALID_FIELD; | |
1136 | ||
1137 | if (cntrs.symbol_error_counter > 0xFFFFUL) | |
1138 | p->symbol_error_counter = __constant_cpu_to_be16(0xFFFF); | |
1139 | else | |
1140 | p->symbol_error_counter = | |
1141 | cpu_to_be16((u16)cntrs.symbol_error_counter); | |
1142 | if (cntrs.link_error_recovery_counter > 0xFFUL) | |
1143 | p->link_error_recovery_counter = 0xFF; | |
1144 | else | |
1145 | p->link_error_recovery_counter = | |
1146 | (u8)cntrs.link_error_recovery_counter; | |
1147 | if (cntrs.link_downed_counter > 0xFFUL) | |
1148 | p->link_downed_counter = 0xFF; | |
1149 | else | |
1150 | p->link_downed_counter = (u8)cntrs.link_downed_counter; | |
1151 | if (cntrs.port_rcv_errors > 0xFFFFUL) | |
1152 | p->port_rcv_errors = __constant_cpu_to_be16(0xFFFF); | |
1153 | else | |
1154 | p->port_rcv_errors = | |
1155 | cpu_to_be16((u16) cntrs.port_rcv_errors); | |
1156 | if (cntrs.port_rcv_remphys_errors > 0xFFFFUL) | |
1157 | p->port_rcv_remphys_errors = __constant_cpu_to_be16(0xFFFF); | |
1158 | else | |
1159 | p->port_rcv_remphys_errors = | |
1160 | cpu_to_be16((u16)cntrs.port_rcv_remphys_errors); | |
1161 | if (cntrs.port_xmit_discards > 0xFFFFUL) | |
1162 | p->port_xmit_discards = __constant_cpu_to_be16(0xFFFF); | |
1163 | else | |
1164 | p->port_xmit_discards = | |
1165 | cpu_to_be16((u16)cntrs.port_xmit_discards); | |
fba75200 BS |
1166 | if (cntrs.local_link_integrity_errors > 0xFUL) |
1167 | cntrs.local_link_integrity_errors = 0xFUL; | |
1168 | if (cntrs.excessive_buffer_overrun_errors > 0xFUL) | |
1169 | cntrs.excessive_buffer_overrun_errors = 0xFUL; | |
1170 | p->lli_ebor_errors = (cntrs.local_link_integrity_errors << 4) | | |
1171 | cntrs.excessive_buffer_overrun_errors; | |
1172 | if (dev->n_vl15_dropped > 0xFFFFUL) | |
1173 | p->vl15_dropped = __constant_cpu_to_be16(0xFFFF); | |
1174 | else | |
1175 | p->vl15_dropped = cpu_to_be16((u16)dev->n_vl15_dropped); | |
e28c00ad BS |
1176 | if (cntrs.port_xmit_data > 0xFFFFFFFFUL) |
1177 | p->port_xmit_data = __constant_cpu_to_be32(0xFFFFFFFF); | |
1178 | else | |
1179 | p->port_xmit_data = cpu_to_be32((u32)cntrs.port_xmit_data); | |
1180 | if (cntrs.port_rcv_data > 0xFFFFFFFFUL) | |
1181 | p->port_rcv_data = __constant_cpu_to_be32(0xFFFFFFFF); | |
1182 | else | |
1183 | p->port_rcv_data = cpu_to_be32((u32)cntrs.port_rcv_data); | |
1184 | if (cntrs.port_xmit_packets > 0xFFFFFFFFUL) | |
1185 | p->port_xmit_packets = __constant_cpu_to_be32(0xFFFFFFFF); | |
1186 | else | |
1187 | p->port_xmit_packets = | |
1188 | cpu_to_be32((u32)cntrs.port_xmit_packets); | |
1189 | if (cntrs.port_rcv_packets > 0xFFFFFFFFUL) | |
1190 | p->port_rcv_packets = __constant_cpu_to_be32(0xFFFFFFFF); | |
1191 | else | |
1192 | p->port_rcv_packets = | |
1193 | cpu_to_be32((u32) cntrs.port_rcv_packets); | |
1194 | ||
1195 | return reply((struct ib_smp *) pmp); | |
1196 | } | |
1197 | ||
1198 | static int recv_pma_get_portcounters_ext(struct ib_perf *pmp, | |
1199 | struct ib_device *ibdev, u8 port) | |
1200 | { | |
1201 | struct ib_pma_portcounters_ext *p = | |
1202 | (struct ib_pma_portcounters_ext *)pmp->data; | |
1203 | struct ipath_ibdev *dev = to_idev(ibdev); | |
1204 | u64 swords, rwords, spkts, rpkts, xwait; | |
1205 | u8 port_select = p->port_select; | |
1206 | ||
34b2aafe BS |
1207 | ipath_snapshot_counters(dev->dd, &swords, &rwords, &spkts, |
1208 | &rpkts, &xwait); | |
e28c00ad BS |
1209 | |
1210 | /* Adjust counters for any resets done. */ | |
443a64ab BS |
1211 | swords -= dev->z_port_xmit_data; |
1212 | rwords -= dev->z_port_rcv_data; | |
1213 | spkts -= dev->z_port_xmit_packets; | |
1214 | rpkts -= dev->z_port_rcv_packets; | |
e28c00ad BS |
1215 | |
1216 | memset(pmp->data, 0, sizeof(pmp->data)); | |
1217 | ||
1218 | p->port_select = port_select; | |
1219 | if (pmp->attr_mod != 0 || | |
1220 | (port_select != port && port_select != 0xFF)) | |
1221 | pmp->status |= IB_SMP_INVALID_FIELD; | |
1222 | ||
1223 | p->port_xmit_data = cpu_to_be64(swords); | |
1224 | p->port_rcv_data = cpu_to_be64(rwords); | |
1225 | p->port_xmit_packets = cpu_to_be64(spkts); | |
1226 | p->port_rcv_packets = cpu_to_be64(rpkts); | |
1227 | p->port_unicast_xmit_packets = cpu_to_be64(dev->n_unicast_xmit); | |
1228 | p->port_unicast_rcv_packets = cpu_to_be64(dev->n_unicast_rcv); | |
1229 | p->port_multicast_xmit_packets = cpu_to_be64(dev->n_multicast_xmit); | |
1230 | p->port_multicast_rcv_packets = cpu_to_be64(dev->n_multicast_rcv); | |
1231 | ||
1232 | return reply((struct ib_smp *) pmp); | |
1233 | } | |
1234 | ||
1235 | static int recv_pma_set_portcounters(struct ib_perf *pmp, | |
1236 | struct ib_device *ibdev, u8 port) | |
1237 | { | |
1238 | struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) | |
1239 | pmp->data; | |
1240 | struct ipath_ibdev *dev = to_idev(ibdev); | |
34b2aafe | 1241 | struct ipath_verbs_counters cntrs; |
e28c00ad BS |
1242 | |
1243 | /* | |
1244 | * Since the HW doesn't support clearing counters, we save the | |
1245 | * current count and subtract it from future responses. | |
1246 | */ | |
34b2aafe | 1247 | ipath_get_counters(dev->dd, &cntrs); |
e28c00ad BS |
1248 | |
1249 | if (p->counter_select & IB_PMA_SEL_SYMBOL_ERROR) | |
443a64ab | 1250 | dev->z_symbol_error_counter = cntrs.symbol_error_counter; |
e28c00ad BS |
1251 | |
1252 | if (p->counter_select & IB_PMA_SEL_LINK_ERROR_RECOVERY) | |
443a64ab | 1253 | dev->z_link_error_recovery_counter = |
e28c00ad BS |
1254 | cntrs.link_error_recovery_counter; |
1255 | ||
1256 | if (p->counter_select & IB_PMA_SEL_LINK_DOWNED) | |
443a64ab | 1257 | dev->z_link_downed_counter = cntrs.link_downed_counter; |
e28c00ad BS |
1258 | |
1259 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_ERRORS) | |
443a64ab | 1260 | dev->z_port_rcv_errors = |
e28c00ad BS |
1261 | cntrs.port_rcv_errors + dev->rcv_errors; |
1262 | ||
1263 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS) | |
443a64ab | 1264 | dev->z_port_rcv_remphys_errors = |
e28c00ad BS |
1265 | cntrs.port_rcv_remphys_errors; |
1266 | ||
1267 | if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DISCARDS) | |
443a64ab | 1268 | dev->z_port_xmit_discards = cntrs.port_xmit_discards; |
e28c00ad | 1269 | |
fba75200 BS |
1270 | if (p->counter_select & IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS) |
1271 | dev->z_local_link_integrity_errors = | |
1272 | cntrs.local_link_integrity_errors; | |
1273 | ||
1274 | if (p->counter_select & IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS) | |
1275 | dev->z_excessive_buffer_overrun_errors = | |
1276 | cntrs.excessive_buffer_overrun_errors; | |
1277 | ||
1278 | if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED) | |
1279 | dev->n_vl15_dropped = 0; | |
1280 | ||
e28c00ad | 1281 | if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA) |
443a64ab | 1282 | dev->z_port_xmit_data = cntrs.port_xmit_data; |
e28c00ad BS |
1283 | |
1284 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_DATA) | |
443a64ab | 1285 | dev->z_port_rcv_data = cntrs.port_rcv_data; |
e28c00ad BS |
1286 | |
1287 | if (p->counter_select & IB_PMA_SEL_PORT_XMIT_PACKETS) | |
443a64ab | 1288 | dev->z_port_xmit_packets = cntrs.port_xmit_packets; |
e28c00ad BS |
1289 | |
1290 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_PACKETS) | |
443a64ab | 1291 | dev->z_port_rcv_packets = cntrs.port_rcv_packets; |
e28c00ad BS |
1292 | |
1293 | return recv_pma_get_portcounters(pmp, ibdev, port); | |
1294 | } | |
1295 | ||
1296 | static int recv_pma_set_portcounters_ext(struct ib_perf *pmp, | |
1297 | struct ib_device *ibdev, u8 port) | |
1298 | { | |
1299 | struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) | |
1300 | pmp->data; | |
1301 | struct ipath_ibdev *dev = to_idev(ibdev); | |
1302 | u64 swords, rwords, spkts, rpkts, xwait; | |
1303 | ||
34b2aafe BS |
1304 | ipath_snapshot_counters(dev->dd, &swords, &rwords, &spkts, |
1305 | &rpkts, &xwait); | |
e28c00ad BS |
1306 | |
1307 | if (p->counter_select & IB_PMA_SELX_PORT_XMIT_DATA) | |
443a64ab | 1308 | dev->z_port_xmit_data = swords; |
e28c00ad BS |
1309 | |
1310 | if (p->counter_select & IB_PMA_SELX_PORT_RCV_DATA) | |
443a64ab | 1311 | dev->z_port_rcv_data = rwords; |
e28c00ad BS |
1312 | |
1313 | if (p->counter_select & IB_PMA_SELX_PORT_XMIT_PACKETS) | |
443a64ab | 1314 | dev->z_port_xmit_packets = spkts; |
e28c00ad BS |
1315 | |
1316 | if (p->counter_select & IB_PMA_SELX_PORT_RCV_PACKETS) | |
443a64ab | 1317 | dev->z_port_rcv_packets = rpkts; |
e28c00ad BS |
1318 | |
1319 | if (p->counter_select & IB_PMA_SELX_PORT_UNI_XMIT_PACKETS) | |
1320 | dev->n_unicast_xmit = 0; | |
1321 | ||
1322 | if (p->counter_select & IB_PMA_SELX_PORT_UNI_RCV_PACKETS) | |
1323 | dev->n_unicast_rcv = 0; | |
1324 | ||
1325 | if (p->counter_select & IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS) | |
1326 | dev->n_multicast_xmit = 0; | |
1327 | ||
1328 | if (p->counter_select & IB_PMA_SELX_PORT_MULTI_RCV_PACKETS) | |
1329 | dev->n_multicast_rcv = 0; | |
1330 | ||
1331 | return recv_pma_get_portcounters_ext(pmp, ibdev, port); | |
1332 | } | |
1333 | ||
1334 | static int process_subn(struct ib_device *ibdev, int mad_flags, | |
1335 | u8 port_num, struct ib_mad *in_mad, | |
1336 | struct ib_mad *out_mad) | |
1337 | { | |
1338 | struct ib_smp *smp = (struct ib_smp *)out_mad; | |
1339 | struct ipath_ibdev *dev = to_idev(ibdev); | |
1340 | int ret; | |
1341 | ||
1342 | *out_mad = *in_mad; | |
1343 | if (smp->class_version != 1) { | |
1344 | smp->status |= IB_SMP_UNSUP_VERSION; | |
1345 | ret = reply(smp); | |
1346 | goto bail; | |
1347 | } | |
1348 | ||
1349 | /* Is the mkey in the process of expiring? */ | |
1350 | if (dev->mkey_lease_timeout && jiffies >= dev->mkey_lease_timeout) { | |
1351 | /* Clear timeout and mkey protection field. */ | |
1352 | dev->mkey_lease_timeout = 0; | |
1353 | dev->mkeyprot_resv_lmc &= 0x3F; | |
1354 | } | |
1355 | ||
1356 | /* | |
1357 | * M_Key checking depends on | |
1358 | * Portinfo:M_Key_protect_bits | |
1359 | */ | |
1360 | if ((mad_flags & IB_MAD_IGNORE_MKEY) == 0 && dev->mkey != 0 && | |
1361 | dev->mkey != smp->mkey && | |
1362 | (smp->method == IB_MGMT_METHOD_SET || | |
1363 | (smp->method == IB_MGMT_METHOD_GET && | |
1364 | (dev->mkeyprot_resv_lmc >> 7) != 0))) { | |
1365 | if (dev->mkey_violations != 0xFFFF) | |
1366 | ++dev->mkey_violations; | |
1367 | if (dev->mkey_lease_timeout || | |
1368 | dev->mkey_lease_period == 0) { | |
1369 | ret = IB_MAD_RESULT_SUCCESS | | |
1370 | IB_MAD_RESULT_CONSUMED; | |
1371 | goto bail; | |
1372 | } | |
1373 | dev->mkey_lease_timeout = jiffies + | |
1374 | dev->mkey_lease_period * HZ; | |
1375 | /* Future: Generate a trap notice. */ | |
1376 | ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; | |
1377 | goto bail; | |
1378 | } else if (dev->mkey_lease_timeout) | |
1379 | dev->mkey_lease_timeout = 0; | |
1380 | ||
1381 | switch (smp->method) { | |
1382 | case IB_MGMT_METHOD_GET: | |
1383 | switch (smp->attr_id) { | |
1384 | case IB_SMP_ATTR_NODE_DESC: | |
1385 | ret = recv_subn_get_nodedescription(smp, ibdev); | |
1386 | goto bail; | |
1387 | case IB_SMP_ATTR_NODE_INFO: | |
1388 | ret = recv_subn_get_nodeinfo(smp, ibdev, port_num); | |
1389 | goto bail; | |
1390 | case IB_SMP_ATTR_GUID_INFO: | |
1391 | ret = recv_subn_get_guidinfo(smp, ibdev); | |
1392 | goto bail; | |
1393 | case IB_SMP_ATTR_PORT_INFO: | |
1394 | ret = recv_subn_get_portinfo(smp, ibdev, port_num); | |
1395 | goto bail; | |
1396 | case IB_SMP_ATTR_PKEY_TABLE: | |
1397 | ret = recv_subn_get_pkeytable(smp, ibdev); | |
1398 | goto bail; | |
1399 | case IB_SMP_ATTR_SM_INFO: | |
1400 | if (dev->port_cap_flags & IB_PORT_SM_DISABLED) { | |
1401 | ret = IB_MAD_RESULT_SUCCESS | | |
1402 | IB_MAD_RESULT_CONSUMED; | |
1403 | goto bail; | |
1404 | } | |
1405 | if (dev->port_cap_flags & IB_PORT_SM) { | |
1406 | ret = IB_MAD_RESULT_SUCCESS; | |
1407 | goto bail; | |
1408 | } | |
1409 | /* FALLTHROUGH */ | |
1410 | default: | |
1411 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
1412 | ret = reply(smp); | |
1413 | goto bail; | |
1414 | } | |
1415 | ||
1416 | case IB_MGMT_METHOD_SET: | |
1417 | switch (smp->attr_id) { | |
1418 | case IB_SMP_ATTR_GUID_INFO: | |
1419 | ret = recv_subn_set_guidinfo(smp, ibdev); | |
1420 | goto bail; | |
1421 | case IB_SMP_ATTR_PORT_INFO: | |
1422 | ret = recv_subn_set_portinfo(smp, ibdev, port_num); | |
1423 | goto bail; | |
1424 | case IB_SMP_ATTR_PKEY_TABLE: | |
1425 | ret = recv_subn_set_pkeytable(smp, ibdev); | |
1426 | goto bail; | |
1427 | case IB_SMP_ATTR_SM_INFO: | |
1428 | if (dev->port_cap_flags & IB_PORT_SM_DISABLED) { | |
1429 | ret = IB_MAD_RESULT_SUCCESS | | |
1430 | IB_MAD_RESULT_CONSUMED; | |
1431 | goto bail; | |
1432 | } | |
1433 | if (dev->port_cap_flags & IB_PORT_SM) { | |
1434 | ret = IB_MAD_RESULT_SUCCESS; | |
1435 | goto bail; | |
1436 | } | |
1437 | /* FALLTHROUGH */ | |
1438 | default: | |
1439 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
1440 | ret = reply(smp); | |
1441 | goto bail; | |
1442 | } | |
1443 | ||
1444 | case IB_MGMT_METHOD_GET_RESP: | |
1445 | /* | |
1446 | * The ib_mad module will call us to process responses | |
1447 | * before checking for other consumers. | |
1448 | * Just tell the caller to process it normally. | |
1449 | */ | |
1450 | ret = IB_MAD_RESULT_FAILURE; | |
1451 | goto bail; | |
1452 | default: | |
1453 | smp->status |= IB_SMP_UNSUP_METHOD; | |
1454 | ret = reply(smp); | |
1455 | } | |
1456 | ||
1457 | bail: | |
1458 | return ret; | |
1459 | } | |
1460 | ||
1461 | static int process_perf(struct ib_device *ibdev, u8 port_num, | |
1462 | struct ib_mad *in_mad, | |
1463 | struct ib_mad *out_mad) | |
1464 | { | |
1465 | struct ib_perf *pmp = (struct ib_perf *)out_mad; | |
1466 | int ret; | |
1467 | ||
1468 | *out_mad = *in_mad; | |
1469 | if (pmp->class_version != 1) { | |
1470 | pmp->status |= IB_SMP_UNSUP_VERSION; | |
1471 | ret = reply((struct ib_smp *) pmp); | |
1472 | goto bail; | |
1473 | } | |
1474 | ||
1475 | switch (pmp->method) { | |
1476 | case IB_MGMT_METHOD_GET: | |
1477 | switch (pmp->attr_id) { | |
1478 | case IB_PMA_CLASS_PORT_INFO: | |
1479 | ret = recv_pma_get_classportinfo(pmp); | |
1480 | goto bail; | |
1481 | case IB_PMA_PORT_SAMPLES_CONTROL: | |
1482 | ret = recv_pma_get_portsamplescontrol(pmp, ibdev, | |
1483 | port_num); | |
1484 | goto bail; | |
1485 | case IB_PMA_PORT_SAMPLES_RESULT: | |
1486 | ret = recv_pma_get_portsamplesresult(pmp, ibdev); | |
1487 | goto bail; | |
1488 | case IB_PMA_PORT_SAMPLES_RESULT_EXT: | |
1489 | ret = recv_pma_get_portsamplesresult_ext(pmp, | |
1490 | ibdev); | |
1491 | goto bail; | |
1492 | case IB_PMA_PORT_COUNTERS: | |
1493 | ret = recv_pma_get_portcounters(pmp, ibdev, | |
1494 | port_num); | |
1495 | goto bail; | |
1496 | case IB_PMA_PORT_COUNTERS_EXT: | |
1497 | ret = recv_pma_get_portcounters_ext(pmp, ibdev, | |
1498 | port_num); | |
1499 | goto bail; | |
1500 | default: | |
1501 | pmp->status |= IB_SMP_UNSUP_METH_ATTR; | |
1502 | ret = reply((struct ib_smp *) pmp); | |
1503 | goto bail; | |
1504 | } | |
1505 | ||
1506 | case IB_MGMT_METHOD_SET: | |
1507 | switch (pmp->attr_id) { | |
1508 | case IB_PMA_PORT_SAMPLES_CONTROL: | |
1509 | ret = recv_pma_set_portsamplescontrol(pmp, ibdev, | |
1510 | port_num); | |
1511 | goto bail; | |
1512 | case IB_PMA_PORT_COUNTERS: | |
1513 | ret = recv_pma_set_portcounters(pmp, ibdev, | |
1514 | port_num); | |
1515 | goto bail; | |
1516 | case IB_PMA_PORT_COUNTERS_EXT: | |
1517 | ret = recv_pma_set_portcounters_ext(pmp, ibdev, | |
1518 | port_num); | |
1519 | goto bail; | |
1520 | default: | |
1521 | pmp->status |= IB_SMP_UNSUP_METH_ATTR; | |
1522 | ret = reply((struct ib_smp *) pmp); | |
1523 | goto bail; | |
1524 | } | |
1525 | ||
1526 | case IB_MGMT_METHOD_GET_RESP: | |
1527 | /* | |
1528 | * The ib_mad module will call us to process responses | |
1529 | * before checking for other consumers. | |
1530 | * Just tell the caller to process it normally. | |
1531 | */ | |
1532 | ret = IB_MAD_RESULT_FAILURE; | |
1533 | goto bail; | |
1534 | default: | |
1535 | pmp->status |= IB_SMP_UNSUP_METHOD; | |
1536 | ret = reply((struct ib_smp *) pmp); | |
1537 | } | |
1538 | ||
1539 | bail: | |
1540 | return ret; | |
1541 | } | |
1542 | ||
1543 | /** | |
1544 | * ipath_process_mad - process an incoming MAD packet | |
1545 | * @ibdev: the infiniband device this packet came in on | |
1546 | * @mad_flags: MAD flags | |
1547 | * @port_num: the port number this packet came in on | |
1548 | * @in_wc: the work completion entry for this packet | |
1549 | * @in_grh: the global route header for this packet | |
1550 | * @in_mad: the incoming MAD | |
1551 | * @out_mad: any outgoing MAD reply | |
1552 | * | |
1553 | * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not | |
1554 | * interested in processing. | |
1555 | * | |
1556 | * Note that the verbs framework has already done the MAD sanity checks, | |
1557 | * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE | |
1558 | * MADs. | |
1559 | * | |
1560 | * This is called by the ib_mad module. | |
1561 | */ | |
1562 | int ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, | |
1563 | struct ib_wc *in_wc, struct ib_grh *in_grh, | |
1564 | struct ib_mad *in_mad, struct ib_mad *out_mad) | |
1565 | { | |
e28c00ad BS |
1566 | int ret; |
1567 | ||
e28c00ad BS |
1568 | switch (in_mad->mad_hdr.mgmt_class) { |
1569 | case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: | |
1570 | case IB_MGMT_CLASS_SUBN_LID_ROUTED: | |
1571 | ret = process_subn(ibdev, mad_flags, port_num, | |
1572 | in_mad, out_mad); | |
1573 | goto bail; | |
1574 | case IB_MGMT_CLASS_PERF_MGMT: | |
1575 | ret = process_perf(ibdev, port_num, in_mad, out_mad); | |
1576 | goto bail; | |
1577 | default: | |
1578 | ret = IB_MAD_RESULT_SUCCESS; | |
1579 | } | |
1580 | ||
1581 | bail: | |
1582 | return ret; | |
1583 | } |