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e28c00ad | 1 | /* |
e7eacd36 | 2 | * Copyright (c) 2006, 2007, 2008 QLogic Corporation. 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> | |
6aea213a | 35 | #include <rdma/ib_pma.h> |
e28c00ad BS |
36 | |
37 | #include "ipath_kernel.h" | |
38 | #include "ipath_verbs.h" | |
27b678dd | 39 | #include "ipath_common.h" |
e28c00ad | 40 | |
9c3da099 HH |
41 | #define IB_SMP_UNSUP_VERSION cpu_to_be16(0x0004) |
42 | #define IB_SMP_UNSUP_METHOD cpu_to_be16(0x0008) | |
43 | #define IB_SMP_UNSUP_METH_ATTR cpu_to_be16(0x000C) | |
44 | #define IB_SMP_INVALID_FIELD cpu_to_be16(0x001C) | |
e28c00ad BS |
45 | |
46 | static int reply(struct ib_smp *smp) | |
47 | { | |
48 | /* | |
49 | * The verbs framework will handle the directed/LID route | |
50 | * packet changes. | |
51 | */ | |
52 | smp->method = IB_MGMT_METHOD_GET_RESP; | |
53 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) | |
54 | smp->status |= IB_SMP_DIRECTION; | |
55 | return IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY; | |
56 | } | |
57 | ||
58 | static int recv_subn_get_nodedescription(struct ib_smp *smp, | |
59 | struct ib_device *ibdev) | |
60 | { | |
61 | if (smp->attr_mod) | |
62 | smp->status |= IB_SMP_INVALID_FIELD; | |
63 | ||
286b63d0 | 64 | memcpy(smp->data, ibdev->node_desc, sizeof(smp->data)); |
e28c00ad BS |
65 | |
66 | return reply(smp); | |
67 | } | |
68 | ||
69 | struct nodeinfo { | |
70 | u8 base_version; | |
71 | u8 class_version; | |
72 | u8 node_type; | |
73 | u8 num_ports; | |
74 | __be64 sys_guid; | |
75 | __be64 node_guid; | |
76 | __be64 port_guid; | |
77 | __be16 partition_cap; | |
78 | __be16 device_id; | |
79 | __be32 revision; | |
80 | u8 local_port_num; | |
81 | u8 vendor_id[3]; | |
82 | } __attribute__ ((packed)); | |
83 | ||
84 | static int recv_subn_get_nodeinfo(struct ib_smp *smp, | |
85 | struct ib_device *ibdev, u8 port) | |
86 | { | |
87 | struct nodeinfo *nip = (struct nodeinfo *)&smp->data; | |
88 | struct ipath_devdata *dd = to_idev(ibdev)->dd; | |
e8a88f09 | 89 | u32 vendor, majrev, minrev; |
e28c00ad | 90 | |
11b054fe BS |
91 | /* GUID 0 is illegal */ |
92 | if (smp->attr_mod || (dd->ipath_guid == 0)) | |
e28c00ad BS |
93 | smp->status |= IB_SMP_INVALID_FIELD; |
94 | ||
95 | nip->base_version = 1; | |
96 | nip->class_version = 1; | |
97 | nip->node_type = 1; /* channel adapter */ | |
98 | /* | |
99 | * XXX The num_ports value will need a layer function to get | |
100 | * the value if we ever have more than one IB port on a chip. | |
101 | * We will also need to get the GUID for the port. | |
102 | */ | |
103 | nip->num_ports = ibdev->phys_port_cnt; | |
104 | /* This is already in network order */ | |
105 | nip->sys_guid = to_idev(ibdev)->sys_image_guid; | |
34b2aafe | 106 | nip->node_guid = dd->ipath_guid; |
f41d2298 | 107 | nip->port_guid = dd->ipath_guid; |
34b2aafe BS |
108 | nip->partition_cap = cpu_to_be16(ipath_get_npkeys(dd)); |
109 | nip->device_id = cpu_to_be16(dd->ipath_deviceid); | |
110 | majrev = dd->ipath_majrev; | |
111 | minrev = dd->ipath_minrev; | |
e28c00ad BS |
112 | nip->revision = cpu_to_be32((majrev << 16) | minrev); |
113 | nip->local_port_num = port; | |
34b2aafe | 114 | vendor = dd->ipath_vendorid; |
df866619 RC |
115 | nip->vendor_id[0] = IPATH_SRC_OUI_1; |
116 | nip->vendor_id[1] = IPATH_SRC_OUI_2; | |
117 | nip->vendor_id[2] = IPATH_SRC_OUI_3; | |
e28c00ad BS |
118 | |
119 | return reply(smp); | |
120 | } | |
121 | ||
122 | static int recv_subn_get_guidinfo(struct ib_smp *smp, | |
123 | struct ib_device *ibdev) | |
124 | { | |
125 | u32 startgx = 8 * be32_to_cpu(smp->attr_mod); | |
126 | __be64 *p = (__be64 *) smp->data; | |
127 | ||
128 | /* 32 blocks of 8 64-bit GUIDs per block */ | |
129 | ||
130 | memset(smp->data, 0, sizeof(smp->data)); | |
131 | ||
132 | /* | |
133 | * We only support one GUID for now. If this changes, the | |
134 | * portinfo.guid_cap field needs to be updated too. | |
135 | */ | |
11b054fe BS |
136 | if (startgx == 0) { |
137 | __be64 g = to_idev(ibdev)->dd->ipath_guid; | |
138 | if (g == 0) | |
139 | /* GUID 0 is illegal */ | |
140 | smp->status |= IB_SMP_INVALID_FIELD; | |
141 | else | |
142 | /* The first is a copy of the read-only HW GUID. */ | |
143 | *p = g; | |
144 | } else | |
e28c00ad BS |
145 | smp->status |= IB_SMP_INVALID_FIELD; |
146 | ||
147 | return reply(smp); | |
148 | } | |
149 | ||
a51a2513 RC |
150 | static void set_link_width_enabled(struct ipath_devdata *dd, u32 w) |
151 | { | |
152 | (void) dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_LWID_ENB, w); | |
153 | } | |
154 | ||
155 | static void set_link_speed_enabled(struct ipath_devdata *dd, u32 s) | |
156 | { | |
157 | (void) dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_SPD_ENB, s); | |
158 | } | |
34b2aafe BS |
159 | |
160 | static int get_overrunthreshold(struct ipath_devdata *dd) | |
161 | { | |
162 | return (dd->ipath_ibcctrl >> | |
163 | INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT) & | |
164 | INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK; | |
165 | } | |
166 | ||
167 | /** | |
168 | * set_overrunthreshold - set the overrun threshold | |
169 | * @dd: the infinipath device | |
170 | * @n: the new threshold | |
171 | * | |
172 | * Note that this will only take effect when the link state changes. | |
173 | */ | |
174 | static int set_overrunthreshold(struct ipath_devdata *dd, unsigned n) | |
175 | { | |
176 | unsigned v; | |
177 | ||
178 | v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT) & | |
179 | INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK; | |
180 | if (v != n) { | |
181 | dd->ipath_ibcctrl &= | |
182 | ~(INFINIPATH_IBCC_OVERRUNTHRESHOLD_MASK << | |
183 | INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT); | |
184 | dd->ipath_ibcctrl |= | |
185 | (u64) n << INFINIPATH_IBCC_OVERRUNTHRESHOLD_SHIFT; | |
186 | ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, | |
187 | dd->ipath_ibcctrl); | |
188 | } | |
189 | return 0; | |
190 | } | |
191 | ||
192 | static int get_phyerrthreshold(struct ipath_devdata *dd) | |
193 | { | |
194 | return (dd->ipath_ibcctrl >> | |
195 | INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) & | |
196 | INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK; | |
197 | } | |
198 | ||
199 | /** | |
200 | * set_phyerrthreshold - set the physical error threshold | |
201 | * @dd: the infinipath device | |
202 | * @n: the new threshold | |
203 | * | |
204 | * Note that this will only take effect when the link state changes. | |
205 | */ | |
206 | static int set_phyerrthreshold(struct ipath_devdata *dd, unsigned n) | |
207 | { | |
208 | unsigned v; | |
209 | ||
210 | v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) & | |
211 | INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK; | |
212 | if (v != n) { | |
213 | dd->ipath_ibcctrl &= | |
214 | ~(INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK << | |
215 | INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT); | |
216 | dd->ipath_ibcctrl |= | |
217 | (u64) n << INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT; | |
218 | ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, | |
219 | dd->ipath_ibcctrl); | |
220 | } | |
221 | return 0; | |
222 | } | |
223 | ||
224 | /** | |
225 | * get_linkdowndefaultstate - get the default linkdown state | |
226 | * @dd: the infinipath device | |
227 | * | |
228 | * Returns zero if the default is POLL, 1 if the default is SLEEP. | |
229 | */ | |
230 | static int get_linkdowndefaultstate(struct ipath_devdata *dd) | |
231 | { | |
232 | return !!(dd->ipath_ibcctrl & INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE); | |
233 | } | |
234 | ||
e28c00ad BS |
235 | static int recv_subn_get_portinfo(struct ib_smp *smp, |
236 | struct ib_device *ibdev, u8 port) | |
237 | { | |
238 | struct ipath_ibdev *dev; | |
a51a2513 | 239 | struct ipath_devdata *dd; |
da2ab62a | 240 | struct ib_port_info *pip = (struct ib_port_info *)smp->data; |
e28c00ad BS |
241 | u16 lid; |
242 | u8 ibcstat; | |
243 | u8 mtu; | |
244 | int ret; | |
245 | ||
246 | if (be32_to_cpu(smp->attr_mod) > ibdev->phys_port_cnt) { | |
247 | smp->status |= IB_SMP_INVALID_FIELD; | |
248 | ret = reply(smp); | |
249 | goto bail; | |
250 | } | |
251 | ||
252 | dev = to_idev(ibdev); | |
a51a2513 | 253 | dd = dev->dd; |
e28c00ad BS |
254 | |
255 | /* Clear all fields. Only set the non-zero fields. */ | |
256 | memset(smp->data, 0, sizeof(smp->data)); | |
257 | ||
258 | /* Only return the mkey if the protection field allows it. */ | |
259 | if (smp->method == IB_MGMT_METHOD_SET || dev->mkey == smp->mkey || | |
542869a1 | 260 | dev->mkeyprot == 0) |
e28c00ad BS |
261 | pip->mkey = dev->mkey; |
262 | pip->gid_prefix = dev->gid_prefix; | |
a51a2513 | 263 | lid = dd->ipath_lid; |
e28c00ad BS |
264 | pip->lid = lid ? cpu_to_be16(lid) : IB_LID_PERMISSIVE; |
265 | pip->sm_lid = cpu_to_be16(dev->sm_lid); | |
266 | pip->cap_mask = cpu_to_be32(dev->port_cap_flags); | |
267 | /* pip->diag_code; */ | |
268 | pip->mkey_lease_period = cpu_to_be16(dev->mkey_lease_period); | |
269 | pip->local_port_num = port; | |
a51a2513 RC |
270 | pip->link_width_enabled = dd->ipath_link_width_enabled; |
271 | pip->link_width_supported = dd->ipath_link_width_supported; | |
272 | pip->link_width_active = dd->ipath_link_width_active; | |
273 | pip->linkspeed_portstate = dd->ipath_link_speed_supported << 4; | |
274 | ibcstat = dd->ipath_lastibcstat; | |
275 | /* map LinkState to IB portinfo values. */ | |
276 | pip->linkspeed_portstate |= ipath_ib_linkstate(dd, ibcstat) + 1; | |
277 | ||
e28c00ad | 278 | pip->portphysstate_linkdown = |
a51a2513 RC |
279 | (ipath_cvt_physportstate[ibcstat & dd->ibcs_lts_mask] << 4) | |
280 | (get_linkdowndefaultstate(dd) ? 1 : 2); | |
281 | pip->mkeyprot_resv_lmc = (dev->mkeyprot << 6) | dd->ipath_lmc; | |
282 | pip->linkspeedactive_enabled = (dd->ipath_link_speed_active << 4) | | |
283 | dd->ipath_link_speed_enabled; | |
284 | switch (dd->ipath_ibmtu) { | |
e28c00ad BS |
285 | case 4096: |
286 | mtu = IB_MTU_4096; | |
287 | break; | |
288 | case 2048: | |
289 | mtu = IB_MTU_2048; | |
290 | break; | |
291 | case 1024: | |
292 | mtu = IB_MTU_1024; | |
293 | break; | |
294 | case 512: | |
295 | mtu = IB_MTU_512; | |
296 | break; | |
297 | case 256: | |
298 | mtu = IB_MTU_256; | |
299 | break; | |
300 | default: /* oops, something is wrong */ | |
301 | mtu = IB_MTU_2048; | |
302 | break; | |
303 | } | |
304 | pip->neighbormtu_mastersmsl = (mtu << 4) | dev->sm_sl; | |
305 | pip->vlcap_inittype = 0x10; /* VLCap = VL0, InitType = 0 */ | |
306 | pip->vl_high_limit = dev->vl_high_limit; | |
307 | /* pip->vl_arb_high_cap; // only one VL */ | |
308 | /* pip->vl_arb_low_cap; // only one VL */ | |
309 | /* InitTypeReply = 0 */ | |
826d8010 DO |
310 | /* our mtu cap depends on whether 4K MTU enabled or not */ |
311 | pip->inittypereply_mtucap = ipath_mtu4096 ? IB_MTU_4096 : IB_MTU_2048; | |
312 | /* HCAs ignore VLStallCount and HOQLife */ | |
e28c00ad BS |
313 | /* pip->vlstallcnt_hoqlife; */ |
314 | pip->operationalvl_pei_peo_fpi_fpo = 0x10; /* OVLs = 1 */ | |
315 | pip->mkey_violations = cpu_to_be16(dev->mkey_violations); | |
316 | /* P_KeyViolations are counted by hardware. */ | |
317 | pip->pkey_violations = | |
a51a2513 | 318 | cpu_to_be16((ipath_get_cr_errpkey(dd) - |
443a64ab | 319 | dev->z_pkey_violations) & 0xFFFF); |
e28c00ad BS |
320 | pip->qkey_violations = cpu_to_be16(dev->qkey_violations); |
321 | /* Only the hardware GUID is supported for now */ | |
322 | pip->guid_cap = 1; | |
323 | pip->clientrereg_resv_subnetto = dev->subnet_timeout; | |
324 | /* 32.768 usec. response time (guessing) */ | |
325 | pip->resv_resptimevalue = 3; | |
326 | pip->localphyerrors_overrunerrors = | |
a51a2513 RC |
327 | (get_phyerrthreshold(dd) << 4) | |
328 | get_overrunthreshold(dd); | |
e28c00ad | 329 | /* pip->max_credit_hint; */ |
a51a2513 RC |
330 | if (dev->port_cap_flags & IB_PORT_LINK_LATENCY_SUP) { |
331 | u32 v; | |
332 | ||
333 | v = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_LINKLATENCY); | |
334 | pip->link_roundtrip_latency[0] = v >> 16; | |
335 | pip->link_roundtrip_latency[1] = v >> 8; | |
336 | pip->link_roundtrip_latency[2] = v; | |
337 | } | |
e28c00ad BS |
338 | |
339 | ret = reply(smp); | |
340 | ||
341 | bail: | |
342 | return ret; | |
343 | } | |
344 | ||
34b2aafe BS |
345 | /** |
346 | * get_pkeys - return the PKEY table for port 0 | |
347 | * @dd: the infinipath device | |
348 | * @pkeys: the pkey table is placed here | |
349 | */ | |
350 | static int get_pkeys(struct ipath_devdata *dd, u16 * pkeys) | |
351 | { | |
3d089098 | 352 | /* always a kernel port, no locking needed */ |
34b2aafe BS |
353 | struct ipath_portdata *pd = dd->ipath_pd[0]; |
354 | ||
355 | memcpy(pkeys, pd->port_pkeys, sizeof(pd->port_pkeys)); | |
356 | ||
357 | return 0; | |
358 | } | |
359 | ||
e28c00ad BS |
360 | static int recv_subn_get_pkeytable(struct ib_smp *smp, |
361 | struct ib_device *ibdev) | |
362 | { | |
363 | u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); | |
364 | u16 *p = (u16 *) smp->data; | |
365 | __be16 *q = (__be16 *) smp->data; | |
366 | ||
367 | /* 64 blocks of 32 16-bit P_Key entries */ | |
368 | ||
369 | memset(smp->data, 0, sizeof(smp->data)); | |
370 | if (startpx == 0) { | |
371 | struct ipath_ibdev *dev = to_idev(ibdev); | |
34b2aafe | 372 | unsigned i, n = ipath_get_npkeys(dev->dd); |
e28c00ad | 373 | |
34b2aafe | 374 | get_pkeys(dev->dd, p); |
e28c00ad BS |
375 | |
376 | for (i = 0; i < n; i++) | |
377 | q[i] = cpu_to_be16(p[i]); | |
378 | } else | |
379 | smp->status |= IB_SMP_INVALID_FIELD; | |
380 | ||
381 | return reply(smp); | |
382 | } | |
383 | ||
384 | static int recv_subn_set_guidinfo(struct ib_smp *smp, | |
385 | struct ib_device *ibdev) | |
386 | { | |
387 | /* The only GUID we support is the first read-only entry. */ | |
388 | return recv_subn_get_guidinfo(smp, ibdev); | |
389 | } | |
390 | ||
34b2aafe BS |
391 | /** |
392 | * set_linkdowndefaultstate - set the default linkdown state | |
393 | * @dd: the infinipath device | |
394 | * @sleep: the new state | |
395 | * | |
396 | * Note that this will only take effect when the link state changes. | |
397 | */ | |
398 | static int set_linkdowndefaultstate(struct ipath_devdata *dd, int sleep) | |
399 | { | |
400 | if (sleep) | |
401 | dd->ipath_ibcctrl |= INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE; | |
402 | else | |
403 | dd->ipath_ibcctrl &= ~INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE; | |
404 | ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, | |
405 | dd->ipath_ibcctrl); | |
406 | return 0; | |
407 | } | |
408 | ||
e28c00ad BS |
409 | /** |
410 | * recv_subn_set_portinfo - set port information | |
411 | * @smp: the incoming SM packet | |
412 | * @ibdev: the infiniband device | |
413 | * @port: the port on the device | |
414 | * | |
415 | * Set Portinfo (see ch. 14.2.5.6). | |
416 | */ | |
417 | static int recv_subn_set_portinfo(struct ib_smp *smp, | |
418 | struct ib_device *ibdev, u8 port) | |
419 | { | |
da2ab62a | 420 | struct ib_port_info *pip = (struct ib_port_info *)smp->data; |
e28c00ad BS |
421 | struct ib_event event; |
422 | struct ipath_ibdev *dev; | |
542869a1 | 423 | struct ipath_devdata *dd; |
e28c00ad BS |
424 | char clientrereg = 0; |
425 | u16 lid, smlid; | |
426 | u8 lwe; | |
427 | u8 lse; | |
428 | u8 state; | |
429 | u16 lstate; | |
430 | u32 mtu; | |
34b2aafe | 431 | int ret, ore; |
e28c00ad BS |
432 | |
433 | if (be32_to_cpu(smp->attr_mod) > ibdev->phys_port_cnt) | |
434 | goto err; | |
435 | ||
436 | dev = to_idev(ibdev); | |
542869a1 | 437 | dd = dev->dd; |
e28c00ad BS |
438 | event.device = ibdev; |
439 | event.element.port_num = port; | |
440 | ||
441 | dev->mkey = pip->mkey; | |
442 | dev->gid_prefix = pip->gid_prefix; | |
443 | dev->mkey_lease_period = be16_to_cpu(pip->mkey_lease_period); | |
444 | ||
445 | lid = be16_to_cpu(pip->lid); | |
542869a1 RC |
446 | if (dd->ipath_lid != lid || |
447 | dd->ipath_lmc != (pip->mkeyprot_resv_lmc & 7)) { | |
e28c00ad | 448 | /* Must be a valid unicast LID address. */ |
27b678dd | 449 | if (lid == 0 || lid >= IPATH_MULTICAST_LID_BASE) |
e28c00ad | 450 | goto err; |
542869a1 | 451 | ipath_set_lid(dd, lid, pip->mkeyprot_resv_lmc & 7); |
e28c00ad BS |
452 | event.event = IB_EVENT_LID_CHANGE; |
453 | ib_dispatch_event(&event); | |
454 | } | |
455 | ||
456 | smlid = be16_to_cpu(pip->sm_lid); | |
457 | if (smlid != dev->sm_lid) { | |
458 | /* Must be a valid unicast LID address. */ | |
27b678dd | 459 | if (smlid == 0 || smlid >= IPATH_MULTICAST_LID_BASE) |
e28c00ad BS |
460 | goto err; |
461 | dev->sm_lid = smlid; | |
462 | event.event = IB_EVENT_SM_CHANGE; | |
463 | ib_dispatch_event(&event); | |
464 | } | |
465 | ||
a51a2513 | 466 | /* Allow 1x or 4x to be set (see 14.2.6.6). */ |
e28c00ad | 467 | lwe = pip->link_width_enabled; |
a51a2513 RC |
468 | if (lwe) { |
469 | if (lwe == 0xFF) | |
470 | lwe = dd->ipath_link_width_supported; | |
471 | else if (lwe >= 16 || (lwe & ~dd->ipath_link_width_supported)) | |
472 | goto err; | |
473 | set_link_width_enabled(dd, lwe); | |
474 | } | |
e28c00ad | 475 | |
a51a2513 | 476 | /* Allow 2.5 or 5.0 Gbs. */ |
e28c00ad | 477 | lse = pip->linkspeedactive_enabled & 0xF; |
a51a2513 RC |
478 | if (lse) { |
479 | if (lse == 15) | |
480 | lse = dd->ipath_link_speed_supported; | |
481 | else if (lse >= 8 || (lse & ~dd->ipath_link_speed_supported)) | |
482 | goto err; | |
483 | set_link_speed_enabled(dd, lse); | |
484 | } | |
e28c00ad BS |
485 | |
486 | /* Set link down default state. */ | |
487 | switch (pip->portphysstate_linkdown & 0xF) { | |
488 | case 0: /* NOP */ | |
489 | break; | |
490 | case 1: /* SLEEP */ | |
542869a1 | 491 | if (set_linkdowndefaultstate(dd, 1)) |
e28c00ad BS |
492 | goto err; |
493 | break; | |
494 | case 2: /* POLL */ | |
542869a1 | 495 | if (set_linkdowndefaultstate(dd, 0)) |
e28c00ad BS |
496 | goto err; |
497 | break; | |
498 | default: | |
499 | goto err; | |
500 | } | |
501 | ||
542869a1 | 502 | dev->mkeyprot = pip->mkeyprot_resv_lmc >> 6; |
e28c00ad BS |
503 | dev->vl_high_limit = pip->vl_high_limit; |
504 | ||
505 | switch ((pip->neighbormtu_mastersmsl >> 4) & 0xF) { | |
506 | case IB_MTU_256: | |
507 | mtu = 256; | |
508 | break; | |
509 | case IB_MTU_512: | |
510 | mtu = 512; | |
511 | break; | |
512 | case IB_MTU_1024: | |
513 | mtu = 1024; | |
514 | break; | |
515 | case IB_MTU_2048: | |
516 | mtu = 2048; | |
517 | break; | |
518 | case IB_MTU_4096: | |
826d8010 DO |
519 | if (!ipath_mtu4096) |
520 | goto err; | |
e28c00ad BS |
521 | mtu = 4096; |
522 | break; | |
523 | default: | |
524 | /* XXX We have already partially updated our state! */ | |
525 | goto err; | |
526 | } | |
542869a1 | 527 | ipath_set_mtu(dd, mtu); |
e28c00ad BS |
528 | |
529 | dev->sm_sl = pip->neighbormtu_mastersmsl & 0xF; | |
530 | ||
531 | /* We only support VL0 */ | |
532 | if (((pip->operationalvl_pei_peo_fpi_fpo >> 4) & 0xF) > 1) | |
533 | goto err; | |
534 | ||
535 | if (pip->mkey_violations == 0) | |
536 | dev->mkey_violations = 0; | |
537 | ||
538 | /* | |
539 | * Hardware counter can't be reset so snapshot and subtract | |
540 | * later. | |
541 | */ | |
542 | if (pip->pkey_violations == 0) | |
542869a1 | 543 | dev->z_pkey_violations = ipath_get_cr_errpkey(dd); |
e28c00ad BS |
544 | |
545 | if (pip->qkey_violations == 0) | |
546 | dev->qkey_violations = 0; | |
547 | ||
34b2aafe | 548 | ore = pip->localphyerrors_overrunerrors; |
542869a1 | 549 | if (set_phyerrthreshold(dd, (ore >> 4) & 0xF)) |
e28c00ad BS |
550 | goto err; |
551 | ||
542869a1 | 552 | if (set_overrunthreshold(dd, (ore & 0xF))) |
e28c00ad BS |
553 | goto err; |
554 | ||
555 | dev->subnet_timeout = pip->clientrereg_resv_subnetto & 0x1F; | |
556 | ||
557 | if (pip->clientrereg_resv_subnetto & 0x80) { | |
558 | clientrereg = 1; | |
6eddb5cb | 559 | event.event = IB_EVENT_CLIENT_REREGISTER; |
e28c00ad BS |
560 | ib_dispatch_event(&event); |
561 | } | |
562 | ||
563 | /* | |
564 | * Do the port state change now that the other link parameters | |
565 | * have been set. | |
566 | * Changing the port physical state only makes sense if the link | |
567 | * is down or is being set to down. | |
568 | */ | |
569 | state = pip->linkspeed_portstate & 0xF; | |
e28c00ad BS |
570 | lstate = (pip->portphysstate_linkdown >> 4) & 0xF; |
571 | if (lstate && !(state == IB_PORT_DOWN || state == IB_PORT_NOP)) | |
572 | goto err; | |
573 | ||
574 | /* | |
575 | * Only state changes of DOWN, ARM, and ACTIVE are valid | |
576 | * and must be in the correct state to take effect (see 7.2.6). | |
577 | */ | |
578 | switch (state) { | |
579 | case IB_PORT_NOP: | |
580 | if (lstate == 0) | |
581 | break; | |
582 | /* FALLTHROUGH */ | |
583 | case IB_PORT_DOWN: | |
584 | if (lstate == 0) | |
140277e9 | 585 | lstate = IPATH_IB_LINKDOWN_ONLY; |
e28c00ad BS |
586 | else if (lstate == 1) |
587 | lstate = IPATH_IB_LINKDOWN_SLEEP; | |
588 | else if (lstate == 2) | |
589 | lstate = IPATH_IB_LINKDOWN; | |
590 | else if (lstate == 3) | |
591 | lstate = IPATH_IB_LINKDOWN_DISABLE; | |
592 | else | |
593 | goto err; | |
542869a1 | 594 | ipath_set_linkstate(dd, lstate); |
4330e4da MA |
595 | if (lstate == IPATH_IB_LINKDOWN_DISABLE) { |
596 | ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; | |
597 | goto done; | |
598 | } | |
140277e9 RC |
599 | ipath_wait_linkstate(dd, IPATH_LINKINIT | IPATH_LINKARMED | |
600 | IPATH_LINKACTIVE, 1000); | |
e28c00ad BS |
601 | break; |
602 | case IB_PORT_ARMED: | |
542869a1 | 603 | ipath_set_linkstate(dd, IPATH_IB_LINKARM); |
e28c00ad BS |
604 | break; |
605 | case IB_PORT_ACTIVE: | |
542869a1 | 606 | ipath_set_linkstate(dd, IPATH_IB_LINKACTIVE); |
e28c00ad BS |
607 | break; |
608 | default: | |
609 | /* XXX We have already partially updated our state! */ | |
610 | goto err; | |
611 | } | |
612 | ||
613 | ret = recv_subn_get_portinfo(smp, ibdev, port); | |
614 | ||
615 | if (clientrereg) | |
616 | pip->clientrereg_resv_subnetto |= 0x80; | |
617 | ||
618 | goto done; | |
619 | ||
620 | err: | |
621 | smp->status |= IB_SMP_INVALID_FIELD; | |
622 | ret = recv_subn_get_portinfo(smp, ibdev, port); | |
623 | ||
624 | done: | |
625 | return ret; | |
626 | } | |
627 | ||
34b2aafe BS |
628 | /** |
629 | * rm_pkey - decrecment the reference count for the given PKEY | |
630 | * @dd: the infinipath device | |
631 | * @key: the PKEY index | |
632 | * | |
633 | * Return true if this was the last reference and the hardware table entry | |
634 | * needs to be changed. | |
635 | */ | |
636 | static int rm_pkey(struct ipath_devdata *dd, u16 key) | |
637 | { | |
638 | int i; | |
639 | int ret; | |
640 | ||
641 | for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { | |
642 | if (dd->ipath_pkeys[i] != key) | |
643 | continue; | |
644 | if (atomic_dec_and_test(&dd->ipath_pkeyrefs[i])) { | |
645 | dd->ipath_pkeys[i] = 0; | |
646 | ret = 1; | |
647 | goto bail; | |
648 | } | |
649 | break; | |
650 | } | |
651 | ||
652 | ret = 0; | |
653 | ||
654 | bail: | |
655 | return ret; | |
656 | } | |
657 | ||
658 | /** | |
659 | * add_pkey - add the given PKEY to the hardware table | |
660 | * @dd: the infinipath device | |
661 | * @key: the PKEY | |
662 | * | |
663 | * Return an error code if unable to add the entry, zero if no change, | |
664 | * or 1 if the hardware PKEY register needs to be updated. | |
665 | */ | |
666 | static int add_pkey(struct ipath_devdata *dd, u16 key) | |
667 | { | |
668 | int i; | |
669 | u16 lkey = key & 0x7FFF; | |
670 | int any = 0; | |
671 | int ret; | |
672 | ||
673 | if (lkey == 0x7FFF) { | |
674 | ret = 0; | |
675 | goto bail; | |
676 | } | |
677 | ||
678 | /* Look for an empty slot or a matching PKEY. */ | |
679 | for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { | |
680 | if (!dd->ipath_pkeys[i]) { | |
681 | any++; | |
682 | continue; | |
683 | } | |
684 | /* If it matches exactly, try to increment the ref count */ | |
685 | if (dd->ipath_pkeys[i] == key) { | |
686 | if (atomic_inc_return(&dd->ipath_pkeyrefs[i]) > 1) { | |
687 | ret = 0; | |
688 | goto bail; | |
689 | } | |
690 | /* Lost the race. Look for an empty slot below. */ | |
691 | atomic_dec(&dd->ipath_pkeyrefs[i]); | |
692 | any++; | |
693 | } | |
694 | /* | |
695 | * It makes no sense to have both the limited and unlimited | |
696 | * PKEY set at the same time since the unlimited one will | |
697 | * disable the limited one. | |
698 | */ | |
699 | if ((dd->ipath_pkeys[i] & 0x7FFF) == lkey) { | |
700 | ret = -EEXIST; | |
701 | goto bail; | |
702 | } | |
703 | } | |
704 | if (!any) { | |
705 | ret = -EBUSY; | |
706 | goto bail; | |
707 | } | |
708 | for (i = 0; i < ARRAY_SIZE(dd->ipath_pkeys); i++) { | |
709 | if (!dd->ipath_pkeys[i] && | |
710 | atomic_inc_return(&dd->ipath_pkeyrefs[i]) == 1) { | |
711 | /* for ipathstats, etc. */ | |
712 | ipath_stats.sps_pkeys[i] = lkey; | |
713 | dd->ipath_pkeys[i] = key; | |
714 | ret = 1; | |
715 | goto bail; | |
716 | } | |
717 | } | |
718 | ret = -EBUSY; | |
719 | ||
720 | bail: | |
721 | return ret; | |
722 | } | |
723 | ||
724 | /** | |
725 | * set_pkeys - set the PKEY table for port 0 | |
726 | * @dd: the infinipath device | |
727 | * @pkeys: the PKEY table | |
728 | */ | |
e3164533 | 729 | static int set_pkeys(struct ipath_devdata *dd, u16 *pkeys, u8 port) |
34b2aafe BS |
730 | { |
731 | struct ipath_portdata *pd; | |
732 | int i; | |
733 | int changed = 0; | |
734 | ||
3d089098 | 735 | /* always a kernel port, no locking needed */ |
34b2aafe BS |
736 | pd = dd->ipath_pd[0]; |
737 | ||
738 | for (i = 0; i < ARRAY_SIZE(pd->port_pkeys); i++) { | |
739 | u16 key = pkeys[i]; | |
740 | u16 okey = pd->port_pkeys[i]; | |
741 | ||
742 | if (key == okey) | |
743 | continue; | |
744 | /* | |
745 | * The value of this PKEY table entry is changing. | |
746 | * Remove the old entry in the hardware's array of PKEYs. | |
747 | */ | |
748 | if (okey & 0x7FFF) | |
749 | changed |= rm_pkey(dd, okey); | |
750 | if (key & 0x7FFF) { | |
751 | int ret = add_pkey(dd, key); | |
752 | ||
753 | if (ret < 0) | |
754 | key = 0; | |
755 | else | |
756 | changed |= ret; | |
757 | } | |
758 | pd->port_pkeys[i] = key; | |
759 | } | |
760 | if (changed) { | |
761 | u64 pkey; | |
e3164533 | 762 | struct ib_event event; |
34b2aafe BS |
763 | |
764 | pkey = (u64) dd->ipath_pkeys[0] | | |
765 | ((u64) dd->ipath_pkeys[1] << 16) | | |
766 | ((u64) dd->ipath_pkeys[2] << 32) | | |
767 | ((u64) dd->ipath_pkeys[3] << 48); | |
768 | ipath_cdbg(VERBOSE, "p0 new pkey reg %llx\n", | |
769 | (unsigned long long) pkey); | |
770 | ipath_write_kreg(dd, dd->ipath_kregs->kr_partitionkey, | |
771 | pkey); | |
e3164533 OG |
772 | |
773 | event.event = IB_EVENT_PKEY_CHANGE; | |
774 | event.device = &dd->verbs_dev->ibdev; | |
775 | event.element.port_num = port; | |
776 | ib_dispatch_event(&event); | |
34b2aafe BS |
777 | } |
778 | return 0; | |
779 | } | |
780 | ||
e28c00ad | 781 | static int recv_subn_set_pkeytable(struct ib_smp *smp, |
e3164533 | 782 | struct ib_device *ibdev, u8 port) |
e28c00ad BS |
783 | { |
784 | u32 startpx = 32 * (be32_to_cpu(smp->attr_mod) & 0xffff); | |
785 | __be16 *p = (__be16 *) smp->data; | |
786 | u16 *q = (u16 *) smp->data; | |
787 | struct ipath_ibdev *dev = to_idev(ibdev); | |
34b2aafe | 788 | unsigned i, n = ipath_get_npkeys(dev->dd); |
e28c00ad BS |
789 | |
790 | for (i = 0; i < n; i++) | |
791 | q[i] = be16_to_cpu(p[i]); | |
792 | ||
e3164533 | 793 | if (startpx != 0 || set_pkeys(dev->dd, q, port) != 0) |
e28c00ad BS |
794 | smp->status |= IB_SMP_INVALID_FIELD; |
795 | ||
796 | return recv_subn_get_pkeytable(smp, ibdev); | |
797 | } | |
798 | ||
6aea213a | 799 | static int recv_pma_get_classportinfo(struct ib_pma_mad *pmp) |
e28c00ad | 800 | { |
6aea213a OG |
801 | struct ib_class_port_info *p = |
802 | (struct ib_class_port_info *)pmp->data; | |
e28c00ad BS |
803 | |
804 | memset(pmp->data, 0, sizeof(pmp->data)); | |
805 | ||
6aea213a OG |
806 | if (pmp->mad_hdr.attr_mod != 0) |
807 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; | |
e28c00ad BS |
808 | |
809 | /* Indicate AllPortSelect is valid (only one port anyway) */ | |
6aea213a | 810 | p->capability_mask = cpu_to_be16(1 << 8); |
e28c00ad BS |
811 | p->base_version = 1; |
812 | p->class_version = 1; | |
813 | /* | |
814 | * Expected response time is 4.096 usec. * 2^18 == 1.073741824 | |
815 | * sec. | |
816 | */ | |
817 | p->resp_time_value = 18; | |
818 | ||
819 | return reply((struct ib_smp *) pmp); | |
820 | } | |
821 | ||
822 | /* | |
823 | * The PortSamplesControl.CounterMasks field is an array of 3 bit fields | |
824 | * which specify the N'th counter's capabilities. See ch. 16.1.3.2. | |
825 | * We support 5 counters which only count the mandatory quantities. | |
826 | */ | |
827 | #define COUNTER_MASK(q, n) (q << ((9 - n) * 3)) | |
9c3da099 HH |
828 | #define COUNTER_MASK0_9 cpu_to_be32(COUNTER_MASK(1, 0) | \ |
829 | COUNTER_MASK(1, 1) | \ | |
830 | COUNTER_MASK(1, 2) | \ | |
831 | COUNTER_MASK(1, 3) | \ | |
832 | COUNTER_MASK(1, 4)) | |
e28c00ad | 833 | |
6aea213a | 834 | static int recv_pma_get_portsamplescontrol(struct ib_pma_mad *pmp, |
e28c00ad BS |
835 | struct ib_device *ibdev, u8 port) |
836 | { | |
837 | struct ib_pma_portsamplescontrol *p = | |
838 | (struct ib_pma_portsamplescontrol *)pmp->data; | |
839 | struct ipath_ibdev *dev = to_idev(ibdev); | |
6c719cae | 840 | struct ipath_cregs const *crp = dev->dd->ipath_cregs; |
e28c00ad BS |
841 | unsigned long flags; |
842 | u8 port_select = p->port_select; | |
843 | ||
844 | memset(pmp->data, 0, sizeof(pmp->data)); | |
845 | ||
846 | p->port_select = port_select; | |
6aea213a | 847 | if (pmp->mad_hdr.attr_mod != 0 || |
e28c00ad | 848 | (port_select != port && port_select != 0xFF)) |
6aea213a | 849 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
e28c00ad BS |
850 | /* |
851 | * Ticks are 10x the link transfer period which for 2.5Gbs is 4 | |
852 | * nsec. 0 == 4 nsec., 1 == 8 nsec., ..., 255 == 1020 nsec. Sample | |
853 | * intervals are counted in ticks. Since we use Linux timers, that | |
854 | * count in jiffies, we can't sample for less than 1000 ticks if HZ | |
a51a2513 RC |
855 | * == 1000 (4000 ticks if HZ is 250). link_speed_active returns 2 for |
856 | * DDR, 1 for SDR, set the tick to 1 for DDR, 0 for SDR on chips that | |
857 | * have hardware support for delaying packets. | |
e28c00ad | 858 | */ |
a51a2513 RC |
859 | if (crp->cr_psstat) |
860 | p->tick = dev->dd->ipath_link_speed_active - 1; | |
861 | else | |
862 | p->tick = 250; /* 1 usec. */ | |
e28c00ad BS |
863 | p->counter_width = 4; /* 32 bit counters */ |
864 | p->counter_mask0_9 = COUNTER_MASK0_9; | |
865 | spin_lock_irqsave(&dev->pending_lock, flags); | |
6c719cae RC |
866 | if (crp->cr_psstat) |
867 | p->sample_status = ipath_read_creg32(dev->dd, crp->cr_psstat); | |
868 | else | |
869 | p->sample_status = dev->pma_sample_status; | |
e28c00ad BS |
870 | p->sample_start = cpu_to_be32(dev->pma_sample_start); |
871 | p->sample_interval = cpu_to_be32(dev->pma_sample_interval); | |
872 | p->tag = cpu_to_be16(dev->pma_tag); | |
873 | p->counter_select[0] = dev->pma_counter_select[0]; | |
874 | p->counter_select[1] = dev->pma_counter_select[1]; | |
875 | p->counter_select[2] = dev->pma_counter_select[2]; | |
876 | p->counter_select[3] = dev->pma_counter_select[3]; | |
877 | p->counter_select[4] = dev->pma_counter_select[4]; | |
878 | spin_unlock_irqrestore(&dev->pending_lock, flags); | |
879 | ||
880 | return reply((struct ib_smp *) pmp); | |
881 | } | |
882 | ||
6aea213a | 883 | static int recv_pma_set_portsamplescontrol(struct ib_pma_mad *pmp, |
e28c00ad BS |
884 | struct ib_device *ibdev, u8 port) |
885 | { | |
886 | struct ib_pma_portsamplescontrol *p = | |
887 | (struct ib_pma_portsamplescontrol *)pmp->data; | |
888 | struct ipath_ibdev *dev = to_idev(ibdev); | |
6c719cae | 889 | struct ipath_cregs const *crp = dev->dd->ipath_cregs; |
e28c00ad | 890 | unsigned long flags; |
6c719cae | 891 | u8 status; |
e28c00ad BS |
892 | int ret; |
893 | ||
6aea213a | 894 | if (pmp->mad_hdr.attr_mod != 0 || |
e28c00ad | 895 | (p->port_select != port && p->port_select != 0xFF)) { |
6aea213a | 896 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
e28c00ad BS |
897 | ret = reply((struct ib_smp *) pmp); |
898 | goto bail; | |
899 | } | |
900 | ||
6c719cae RC |
901 | spin_lock_irqsave(&dev->pending_lock, flags); |
902 | if (crp->cr_psstat) | |
903 | status = ipath_read_creg32(dev->dd, crp->cr_psstat); | |
904 | else | |
905 | status = dev->pma_sample_status; | |
906 | if (status == IB_PMA_SAMPLE_STATUS_DONE) { | |
907 | dev->pma_sample_start = be32_to_cpu(p->sample_start); | |
908 | dev->pma_sample_interval = be32_to_cpu(p->sample_interval); | |
909 | dev->pma_tag = be16_to_cpu(p->tag); | |
910 | dev->pma_counter_select[0] = p->counter_select[0]; | |
911 | dev->pma_counter_select[1] = p->counter_select[1]; | |
912 | dev->pma_counter_select[2] = p->counter_select[2]; | |
913 | dev->pma_counter_select[3] = p->counter_select[3]; | |
914 | dev->pma_counter_select[4] = p->counter_select[4]; | |
915 | if (crp->cr_psstat) { | |
916 | ipath_write_creg(dev->dd, crp->cr_psinterval, | |
917 | dev->pma_sample_interval); | |
918 | ipath_write_creg(dev->dd, crp->cr_psstart, | |
919 | dev->pma_sample_start); | |
920 | } else | |
921 | dev->pma_sample_status = IB_PMA_SAMPLE_STATUS_STARTED; | |
e28c00ad | 922 | } |
6c719cae RC |
923 | spin_unlock_irqrestore(&dev->pending_lock, flags); |
924 | ||
e28c00ad BS |
925 | ret = recv_pma_get_portsamplescontrol(pmp, ibdev, port); |
926 | ||
927 | bail: | |
928 | return ret; | |
929 | } | |
930 | ||
6c719cae RC |
931 | static u64 get_counter(struct ipath_ibdev *dev, |
932 | struct ipath_cregs const *crp, | |
933 | __be16 sel) | |
e28c00ad BS |
934 | { |
935 | u64 ret; | |
936 | ||
937 | switch (sel) { | |
938 | case IB_PMA_PORT_XMIT_DATA: | |
6c719cae RC |
939 | ret = (crp->cr_psxmitdatacount) ? |
940 | ipath_read_creg32(dev->dd, crp->cr_psxmitdatacount) : | |
941 | dev->ipath_sword; | |
e28c00ad BS |
942 | break; |
943 | case IB_PMA_PORT_RCV_DATA: | |
6c719cae RC |
944 | ret = (crp->cr_psrcvdatacount) ? |
945 | ipath_read_creg32(dev->dd, crp->cr_psrcvdatacount) : | |
946 | dev->ipath_rword; | |
e28c00ad BS |
947 | break; |
948 | case IB_PMA_PORT_XMIT_PKTS: | |
6c719cae RC |
949 | ret = (crp->cr_psxmitpktscount) ? |
950 | ipath_read_creg32(dev->dd, crp->cr_psxmitpktscount) : | |
951 | dev->ipath_spkts; | |
e28c00ad BS |
952 | break; |
953 | case IB_PMA_PORT_RCV_PKTS: | |
6c719cae RC |
954 | ret = (crp->cr_psrcvpktscount) ? |
955 | ipath_read_creg32(dev->dd, crp->cr_psrcvpktscount) : | |
956 | dev->ipath_rpkts; | |
e28c00ad BS |
957 | break; |
958 | case IB_PMA_PORT_XMIT_WAIT: | |
6c719cae RC |
959 | ret = (crp->cr_psxmitwaitcount) ? |
960 | ipath_read_creg32(dev->dd, crp->cr_psxmitwaitcount) : | |
961 | dev->ipath_xmit_wait; | |
e28c00ad BS |
962 | break; |
963 | default: | |
964 | ret = 0; | |
965 | } | |
966 | ||
967 | return ret; | |
968 | } | |
969 | ||
6aea213a | 970 | static int recv_pma_get_portsamplesresult(struct ib_pma_mad *pmp, |
e28c00ad BS |
971 | struct ib_device *ibdev) |
972 | { | |
973 | struct ib_pma_portsamplesresult *p = | |
974 | (struct ib_pma_portsamplesresult *)pmp->data; | |
975 | struct ipath_ibdev *dev = to_idev(ibdev); | |
6c719cae RC |
976 | struct ipath_cregs const *crp = dev->dd->ipath_cregs; |
977 | u8 status; | |
e28c00ad BS |
978 | int i; |
979 | ||
980 | memset(pmp->data, 0, sizeof(pmp->data)); | |
981 | p->tag = cpu_to_be16(dev->pma_tag); | |
6c719cae RC |
982 | if (crp->cr_psstat) |
983 | status = ipath_read_creg32(dev->dd, crp->cr_psstat); | |
984 | else | |
985 | status = dev->pma_sample_status; | |
986 | p->sample_status = cpu_to_be16(status); | |
e28c00ad | 987 | for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++) |
6c719cae RC |
988 | p->counter[i] = (status != IB_PMA_SAMPLE_STATUS_DONE) ? 0 : |
989 | cpu_to_be32( | |
990 | get_counter(dev, crp, dev->pma_counter_select[i])); | |
e28c00ad BS |
991 | |
992 | return reply((struct ib_smp *) pmp); | |
993 | } | |
994 | ||
6aea213a | 995 | static int recv_pma_get_portsamplesresult_ext(struct ib_pma_mad *pmp, |
e28c00ad BS |
996 | struct ib_device *ibdev) |
997 | { | |
998 | struct ib_pma_portsamplesresult_ext *p = | |
999 | (struct ib_pma_portsamplesresult_ext *)pmp->data; | |
1000 | struct ipath_ibdev *dev = to_idev(ibdev); | |
6c719cae RC |
1001 | struct ipath_cregs const *crp = dev->dd->ipath_cregs; |
1002 | u8 status; | |
e28c00ad BS |
1003 | int i; |
1004 | ||
1005 | memset(pmp->data, 0, sizeof(pmp->data)); | |
1006 | p->tag = cpu_to_be16(dev->pma_tag); | |
6c719cae RC |
1007 | if (crp->cr_psstat) |
1008 | status = ipath_read_creg32(dev->dd, crp->cr_psstat); | |
1009 | else | |
1010 | status = dev->pma_sample_status; | |
1011 | p->sample_status = cpu_to_be16(status); | |
e28c00ad | 1012 | /* 64 bits */ |
9c3da099 | 1013 | p->extended_width = cpu_to_be32(0x80000000); |
e28c00ad | 1014 | for (i = 0; i < ARRAY_SIZE(dev->pma_counter_select); i++) |
6c719cae RC |
1015 | p->counter[i] = (status != IB_PMA_SAMPLE_STATUS_DONE) ? 0 : |
1016 | cpu_to_be64( | |
1017 | get_counter(dev, crp, dev->pma_counter_select[i])); | |
e28c00ad BS |
1018 | |
1019 | return reply((struct ib_smp *) pmp); | |
1020 | } | |
1021 | ||
6aea213a | 1022 | static int recv_pma_get_portcounters(struct ib_pma_mad *pmp, |
e28c00ad BS |
1023 | struct ib_device *ibdev, u8 port) |
1024 | { | |
1025 | struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) | |
1026 | pmp->data; | |
1027 | struct ipath_ibdev *dev = to_idev(ibdev); | |
34b2aafe | 1028 | struct ipath_verbs_counters cntrs; |
e28c00ad BS |
1029 | u8 port_select = p->port_select; |
1030 | ||
34b2aafe | 1031 | ipath_get_counters(dev->dd, &cntrs); |
e28c00ad BS |
1032 | |
1033 | /* Adjust counters for any resets done. */ | |
443a64ab | 1034 | cntrs.symbol_error_counter -= dev->z_symbol_error_counter; |
e28c00ad | 1035 | cntrs.link_error_recovery_counter -= |
443a64ab BS |
1036 | dev->z_link_error_recovery_counter; |
1037 | cntrs.link_downed_counter -= dev->z_link_downed_counter; | |
e28c00ad | 1038 | cntrs.port_rcv_errors += dev->rcv_errors; |
443a64ab BS |
1039 | cntrs.port_rcv_errors -= dev->z_port_rcv_errors; |
1040 | cntrs.port_rcv_remphys_errors -= dev->z_port_rcv_remphys_errors; | |
1041 | cntrs.port_xmit_discards -= dev->z_port_xmit_discards; | |
1042 | cntrs.port_xmit_data -= dev->z_port_xmit_data; | |
1043 | cntrs.port_rcv_data -= dev->z_port_rcv_data; | |
1044 | cntrs.port_xmit_packets -= dev->z_port_xmit_packets; | |
1045 | cntrs.port_rcv_packets -= dev->z_port_rcv_packets; | |
fba75200 BS |
1046 | cntrs.local_link_integrity_errors -= |
1047 | dev->z_local_link_integrity_errors; | |
1048 | cntrs.excessive_buffer_overrun_errors -= | |
1049 | dev->z_excessive_buffer_overrun_errors; | |
6c719cae RC |
1050 | cntrs.vl15_dropped -= dev->z_vl15_dropped; |
1051 | cntrs.vl15_dropped += dev->n_vl15_dropped; | |
e28c00ad BS |
1052 | |
1053 | memset(pmp->data, 0, sizeof(pmp->data)); | |
1054 | ||
1055 | p->port_select = port_select; | |
6aea213a | 1056 | if (pmp->mad_hdr.attr_mod != 0 || |
e28c00ad | 1057 | (port_select != port && port_select != 0xFF)) |
6aea213a | 1058 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
e28c00ad BS |
1059 | |
1060 | if (cntrs.symbol_error_counter > 0xFFFFUL) | |
9c3da099 | 1061 | p->symbol_error_counter = cpu_to_be16(0xFFFF); |
e28c00ad BS |
1062 | else |
1063 | p->symbol_error_counter = | |
1064 | cpu_to_be16((u16)cntrs.symbol_error_counter); | |
1065 | if (cntrs.link_error_recovery_counter > 0xFFUL) | |
1066 | p->link_error_recovery_counter = 0xFF; | |
1067 | else | |
1068 | p->link_error_recovery_counter = | |
1069 | (u8)cntrs.link_error_recovery_counter; | |
1070 | if (cntrs.link_downed_counter > 0xFFUL) | |
1071 | p->link_downed_counter = 0xFF; | |
1072 | else | |
1073 | p->link_downed_counter = (u8)cntrs.link_downed_counter; | |
1074 | if (cntrs.port_rcv_errors > 0xFFFFUL) | |
9c3da099 | 1075 | p->port_rcv_errors = cpu_to_be16(0xFFFF); |
e28c00ad BS |
1076 | else |
1077 | p->port_rcv_errors = | |
1078 | cpu_to_be16((u16) cntrs.port_rcv_errors); | |
1079 | if (cntrs.port_rcv_remphys_errors > 0xFFFFUL) | |
9c3da099 | 1080 | p->port_rcv_remphys_errors = cpu_to_be16(0xFFFF); |
e28c00ad BS |
1081 | else |
1082 | p->port_rcv_remphys_errors = | |
1083 | cpu_to_be16((u16)cntrs.port_rcv_remphys_errors); | |
1084 | if (cntrs.port_xmit_discards > 0xFFFFUL) | |
9c3da099 | 1085 | p->port_xmit_discards = cpu_to_be16(0xFFFF); |
e28c00ad BS |
1086 | else |
1087 | p->port_xmit_discards = | |
1088 | cpu_to_be16((u16)cntrs.port_xmit_discards); | |
fba75200 BS |
1089 | if (cntrs.local_link_integrity_errors > 0xFUL) |
1090 | cntrs.local_link_integrity_errors = 0xFUL; | |
1091 | if (cntrs.excessive_buffer_overrun_errors > 0xFUL) | |
1092 | cntrs.excessive_buffer_overrun_errors = 0xFUL; | |
6aea213a | 1093 | p->link_overrun_errors = (cntrs.local_link_integrity_errors << 4) | |
fba75200 | 1094 | cntrs.excessive_buffer_overrun_errors; |
6c719cae | 1095 | if (cntrs.vl15_dropped > 0xFFFFUL) |
9c3da099 | 1096 | p->vl15_dropped = cpu_to_be16(0xFFFF); |
fba75200 | 1097 | else |
6c719cae | 1098 | p->vl15_dropped = cpu_to_be16((u16)cntrs.vl15_dropped); |
e28c00ad | 1099 | if (cntrs.port_xmit_data > 0xFFFFFFFFUL) |
9c3da099 | 1100 | p->port_xmit_data = cpu_to_be32(0xFFFFFFFF); |
e28c00ad BS |
1101 | else |
1102 | p->port_xmit_data = cpu_to_be32((u32)cntrs.port_xmit_data); | |
1103 | if (cntrs.port_rcv_data > 0xFFFFFFFFUL) | |
9c3da099 | 1104 | p->port_rcv_data = cpu_to_be32(0xFFFFFFFF); |
e28c00ad BS |
1105 | else |
1106 | p->port_rcv_data = cpu_to_be32((u32)cntrs.port_rcv_data); | |
1107 | if (cntrs.port_xmit_packets > 0xFFFFFFFFUL) | |
9c3da099 | 1108 | p->port_xmit_packets = cpu_to_be32(0xFFFFFFFF); |
e28c00ad BS |
1109 | else |
1110 | p->port_xmit_packets = | |
1111 | cpu_to_be32((u32)cntrs.port_xmit_packets); | |
1112 | if (cntrs.port_rcv_packets > 0xFFFFFFFFUL) | |
9c3da099 | 1113 | p->port_rcv_packets = cpu_to_be32(0xFFFFFFFF); |
e28c00ad BS |
1114 | else |
1115 | p->port_rcv_packets = | |
1116 | cpu_to_be32((u32) cntrs.port_rcv_packets); | |
1117 | ||
1118 | return reply((struct ib_smp *) pmp); | |
1119 | } | |
1120 | ||
6aea213a | 1121 | static int recv_pma_get_portcounters_ext(struct ib_pma_mad *pmp, |
e28c00ad BS |
1122 | struct ib_device *ibdev, u8 port) |
1123 | { | |
1124 | struct ib_pma_portcounters_ext *p = | |
1125 | (struct ib_pma_portcounters_ext *)pmp->data; | |
1126 | struct ipath_ibdev *dev = to_idev(ibdev); | |
1127 | u64 swords, rwords, spkts, rpkts, xwait; | |
1128 | u8 port_select = p->port_select; | |
1129 | ||
34b2aafe BS |
1130 | ipath_snapshot_counters(dev->dd, &swords, &rwords, &spkts, |
1131 | &rpkts, &xwait); | |
e28c00ad BS |
1132 | |
1133 | /* Adjust counters for any resets done. */ | |
443a64ab BS |
1134 | swords -= dev->z_port_xmit_data; |
1135 | rwords -= dev->z_port_rcv_data; | |
1136 | spkts -= dev->z_port_xmit_packets; | |
1137 | rpkts -= dev->z_port_rcv_packets; | |
e28c00ad BS |
1138 | |
1139 | memset(pmp->data, 0, sizeof(pmp->data)); | |
1140 | ||
1141 | p->port_select = port_select; | |
6aea213a | 1142 | if (pmp->mad_hdr.attr_mod != 0 || |
e28c00ad | 1143 | (port_select != port && port_select != 0xFF)) |
6aea213a | 1144 | pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; |
e28c00ad BS |
1145 | |
1146 | p->port_xmit_data = cpu_to_be64(swords); | |
1147 | p->port_rcv_data = cpu_to_be64(rwords); | |
1148 | p->port_xmit_packets = cpu_to_be64(spkts); | |
1149 | p->port_rcv_packets = cpu_to_be64(rpkts); | |
1150 | p->port_unicast_xmit_packets = cpu_to_be64(dev->n_unicast_xmit); | |
1151 | p->port_unicast_rcv_packets = cpu_to_be64(dev->n_unicast_rcv); | |
1152 | p->port_multicast_xmit_packets = cpu_to_be64(dev->n_multicast_xmit); | |
1153 | p->port_multicast_rcv_packets = cpu_to_be64(dev->n_multicast_rcv); | |
1154 | ||
1155 | return reply((struct ib_smp *) pmp); | |
1156 | } | |
1157 | ||
6aea213a | 1158 | static int recv_pma_set_portcounters(struct ib_pma_mad *pmp, |
e28c00ad BS |
1159 | struct ib_device *ibdev, u8 port) |
1160 | { | |
1161 | struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) | |
1162 | pmp->data; | |
1163 | struct ipath_ibdev *dev = to_idev(ibdev); | |
34b2aafe | 1164 | struct ipath_verbs_counters cntrs; |
e28c00ad BS |
1165 | |
1166 | /* | |
1167 | * Since the HW doesn't support clearing counters, we save the | |
1168 | * current count and subtract it from future responses. | |
1169 | */ | |
34b2aafe | 1170 | ipath_get_counters(dev->dd, &cntrs); |
e28c00ad BS |
1171 | |
1172 | if (p->counter_select & IB_PMA_SEL_SYMBOL_ERROR) | |
443a64ab | 1173 | dev->z_symbol_error_counter = cntrs.symbol_error_counter; |
e28c00ad BS |
1174 | |
1175 | if (p->counter_select & IB_PMA_SEL_LINK_ERROR_RECOVERY) | |
443a64ab | 1176 | dev->z_link_error_recovery_counter = |
e28c00ad BS |
1177 | cntrs.link_error_recovery_counter; |
1178 | ||
1179 | if (p->counter_select & IB_PMA_SEL_LINK_DOWNED) | |
443a64ab | 1180 | dev->z_link_downed_counter = cntrs.link_downed_counter; |
e28c00ad BS |
1181 | |
1182 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_ERRORS) | |
443a64ab | 1183 | dev->z_port_rcv_errors = |
e28c00ad BS |
1184 | cntrs.port_rcv_errors + dev->rcv_errors; |
1185 | ||
1186 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS) | |
443a64ab | 1187 | dev->z_port_rcv_remphys_errors = |
e28c00ad BS |
1188 | cntrs.port_rcv_remphys_errors; |
1189 | ||
1190 | if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DISCARDS) | |
443a64ab | 1191 | dev->z_port_xmit_discards = cntrs.port_xmit_discards; |
e28c00ad | 1192 | |
fba75200 BS |
1193 | if (p->counter_select & IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS) |
1194 | dev->z_local_link_integrity_errors = | |
1195 | cntrs.local_link_integrity_errors; | |
1196 | ||
1197 | if (p->counter_select & IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS) | |
1198 | dev->z_excessive_buffer_overrun_errors = | |
1199 | cntrs.excessive_buffer_overrun_errors; | |
1200 | ||
6c719cae | 1201 | if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED) { |
fba75200 | 1202 | dev->n_vl15_dropped = 0; |
6c719cae RC |
1203 | dev->z_vl15_dropped = cntrs.vl15_dropped; |
1204 | } | |
fba75200 | 1205 | |
e28c00ad | 1206 | if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA) |
443a64ab | 1207 | dev->z_port_xmit_data = cntrs.port_xmit_data; |
e28c00ad BS |
1208 | |
1209 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_DATA) | |
443a64ab | 1210 | dev->z_port_rcv_data = cntrs.port_rcv_data; |
e28c00ad BS |
1211 | |
1212 | if (p->counter_select & IB_PMA_SEL_PORT_XMIT_PACKETS) | |
443a64ab | 1213 | dev->z_port_xmit_packets = cntrs.port_xmit_packets; |
e28c00ad BS |
1214 | |
1215 | if (p->counter_select & IB_PMA_SEL_PORT_RCV_PACKETS) | |
443a64ab | 1216 | dev->z_port_rcv_packets = cntrs.port_rcv_packets; |
e28c00ad BS |
1217 | |
1218 | return recv_pma_get_portcounters(pmp, ibdev, port); | |
1219 | } | |
1220 | ||
6aea213a | 1221 | static int recv_pma_set_portcounters_ext(struct ib_pma_mad *pmp, |
e28c00ad BS |
1222 | struct ib_device *ibdev, u8 port) |
1223 | { | |
1224 | struct ib_pma_portcounters *p = (struct ib_pma_portcounters *) | |
1225 | pmp->data; | |
1226 | struct ipath_ibdev *dev = to_idev(ibdev); | |
1227 | u64 swords, rwords, spkts, rpkts, xwait; | |
1228 | ||
34b2aafe BS |
1229 | ipath_snapshot_counters(dev->dd, &swords, &rwords, &spkts, |
1230 | &rpkts, &xwait); | |
e28c00ad BS |
1231 | |
1232 | if (p->counter_select & IB_PMA_SELX_PORT_XMIT_DATA) | |
443a64ab | 1233 | dev->z_port_xmit_data = swords; |
e28c00ad BS |
1234 | |
1235 | if (p->counter_select & IB_PMA_SELX_PORT_RCV_DATA) | |
443a64ab | 1236 | dev->z_port_rcv_data = rwords; |
e28c00ad BS |
1237 | |
1238 | if (p->counter_select & IB_PMA_SELX_PORT_XMIT_PACKETS) | |
443a64ab | 1239 | dev->z_port_xmit_packets = spkts; |
e28c00ad BS |
1240 | |
1241 | if (p->counter_select & IB_PMA_SELX_PORT_RCV_PACKETS) | |
443a64ab | 1242 | dev->z_port_rcv_packets = rpkts; |
e28c00ad BS |
1243 | |
1244 | if (p->counter_select & IB_PMA_SELX_PORT_UNI_XMIT_PACKETS) | |
1245 | dev->n_unicast_xmit = 0; | |
1246 | ||
1247 | if (p->counter_select & IB_PMA_SELX_PORT_UNI_RCV_PACKETS) | |
1248 | dev->n_unicast_rcv = 0; | |
1249 | ||
1250 | if (p->counter_select & IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS) | |
1251 | dev->n_multicast_xmit = 0; | |
1252 | ||
1253 | if (p->counter_select & IB_PMA_SELX_PORT_MULTI_RCV_PACKETS) | |
1254 | dev->n_multicast_rcv = 0; | |
1255 | ||
1256 | return recv_pma_get_portcounters_ext(pmp, ibdev, port); | |
1257 | } | |
1258 | ||
1259 | static int process_subn(struct ib_device *ibdev, int mad_flags, | |
a97e2d86 | 1260 | u8 port_num, const struct ib_mad *in_mad, |
e28c00ad BS |
1261 | struct ib_mad *out_mad) |
1262 | { | |
1263 | struct ib_smp *smp = (struct ib_smp *)out_mad; | |
1264 | struct ipath_ibdev *dev = to_idev(ibdev); | |
1265 | int ret; | |
1266 | ||
1267 | *out_mad = *in_mad; | |
1268 | if (smp->class_version != 1) { | |
1269 | smp->status |= IB_SMP_UNSUP_VERSION; | |
1270 | ret = reply(smp); | |
1271 | goto bail; | |
1272 | } | |
1273 | ||
1274 | /* Is the mkey in the process of expiring? */ | |
b3b8128f RD |
1275 | if (dev->mkey_lease_timeout && |
1276 | time_after_eq(jiffies, dev->mkey_lease_timeout)) { | |
e28c00ad BS |
1277 | /* Clear timeout and mkey protection field. */ |
1278 | dev->mkey_lease_timeout = 0; | |
542869a1 | 1279 | dev->mkeyprot = 0; |
e28c00ad BS |
1280 | } |
1281 | ||
1282 | /* | |
1283 | * M_Key checking depends on | |
1284 | * Portinfo:M_Key_protect_bits | |
1285 | */ | |
1286 | if ((mad_flags & IB_MAD_IGNORE_MKEY) == 0 && dev->mkey != 0 && | |
1287 | dev->mkey != smp->mkey && | |
1288 | (smp->method == IB_MGMT_METHOD_SET || | |
1289 | (smp->method == IB_MGMT_METHOD_GET && | |
542869a1 | 1290 | dev->mkeyprot >= 2))) { |
e28c00ad BS |
1291 | if (dev->mkey_violations != 0xFFFF) |
1292 | ++dev->mkey_violations; | |
1293 | if (dev->mkey_lease_timeout || | |
1294 | dev->mkey_lease_period == 0) { | |
1295 | ret = IB_MAD_RESULT_SUCCESS | | |
1296 | IB_MAD_RESULT_CONSUMED; | |
1297 | goto bail; | |
1298 | } | |
1299 | dev->mkey_lease_timeout = jiffies + | |
1300 | dev->mkey_lease_period * HZ; | |
1301 | /* Future: Generate a trap notice. */ | |
1302 | ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED; | |
1303 | goto bail; | |
1304 | } else if (dev->mkey_lease_timeout) | |
1305 | dev->mkey_lease_timeout = 0; | |
1306 | ||
1307 | switch (smp->method) { | |
1308 | case IB_MGMT_METHOD_GET: | |
1309 | switch (smp->attr_id) { | |
1310 | case IB_SMP_ATTR_NODE_DESC: | |
1311 | ret = recv_subn_get_nodedescription(smp, ibdev); | |
1312 | goto bail; | |
1313 | case IB_SMP_ATTR_NODE_INFO: | |
1314 | ret = recv_subn_get_nodeinfo(smp, ibdev, port_num); | |
1315 | goto bail; | |
1316 | case IB_SMP_ATTR_GUID_INFO: | |
1317 | ret = recv_subn_get_guidinfo(smp, ibdev); | |
1318 | goto bail; | |
1319 | case IB_SMP_ATTR_PORT_INFO: | |
1320 | ret = recv_subn_get_portinfo(smp, ibdev, port_num); | |
1321 | goto bail; | |
1322 | case IB_SMP_ATTR_PKEY_TABLE: | |
1323 | ret = recv_subn_get_pkeytable(smp, ibdev); | |
1324 | goto bail; | |
1325 | case IB_SMP_ATTR_SM_INFO: | |
1326 | if (dev->port_cap_flags & IB_PORT_SM_DISABLED) { | |
1327 | ret = IB_MAD_RESULT_SUCCESS | | |
1328 | IB_MAD_RESULT_CONSUMED; | |
1329 | goto bail; | |
1330 | } | |
1331 | if (dev->port_cap_flags & IB_PORT_SM) { | |
1332 | ret = IB_MAD_RESULT_SUCCESS; | |
1333 | goto bail; | |
1334 | } | |
1335 | /* FALLTHROUGH */ | |
1336 | default: | |
1337 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
1338 | ret = reply(smp); | |
1339 | goto bail; | |
1340 | } | |
1341 | ||
1342 | case IB_MGMT_METHOD_SET: | |
1343 | switch (smp->attr_id) { | |
1344 | case IB_SMP_ATTR_GUID_INFO: | |
1345 | ret = recv_subn_set_guidinfo(smp, ibdev); | |
1346 | goto bail; | |
1347 | case IB_SMP_ATTR_PORT_INFO: | |
1348 | ret = recv_subn_set_portinfo(smp, ibdev, port_num); | |
1349 | goto bail; | |
1350 | case IB_SMP_ATTR_PKEY_TABLE: | |
e3164533 | 1351 | ret = recv_subn_set_pkeytable(smp, ibdev, port_num); |
e28c00ad BS |
1352 | goto bail; |
1353 | case IB_SMP_ATTR_SM_INFO: | |
1354 | if (dev->port_cap_flags & IB_PORT_SM_DISABLED) { | |
1355 | ret = IB_MAD_RESULT_SUCCESS | | |
1356 | IB_MAD_RESULT_CONSUMED; | |
1357 | goto bail; | |
1358 | } | |
1359 | if (dev->port_cap_flags & IB_PORT_SM) { | |
1360 | ret = IB_MAD_RESULT_SUCCESS; | |
1361 | goto bail; | |
1362 | } | |
1363 | /* FALLTHROUGH */ | |
1364 | default: | |
1365 | smp->status |= IB_SMP_UNSUP_METH_ATTR; | |
1366 | ret = reply(smp); | |
1367 | goto bail; | |
1368 | } | |
1369 | ||
27676a3e RC |
1370 | case IB_MGMT_METHOD_TRAP: |
1371 | case IB_MGMT_METHOD_REPORT: | |
1372 | case IB_MGMT_METHOD_REPORT_RESP: | |
1373 | case IB_MGMT_METHOD_TRAP_REPRESS: | |
e28c00ad BS |
1374 | case IB_MGMT_METHOD_GET_RESP: |
1375 | /* | |
1376 | * The ib_mad module will call us to process responses | |
1377 | * before checking for other consumers. | |
1378 | * Just tell the caller to process it normally. | |
1379 | */ | |
f9b40353 | 1380 | ret = IB_MAD_RESULT_SUCCESS; |
e28c00ad BS |
1381 | goto bail; |
1382 | default: | |
1383 | smp->status |= IB_SMP_UNSUP_METHOD; | |
1384 | ret = reply(smp); | |
1385 | } | |
1386 | ||
1387 | bail: | |
1388 | return ret; | |
1389 | } | |
1390 | ||
1391 | static int process_perf(struct ib_device *ibdev, u8 port_num, | |
a97e2d86 | 1392 | const struct ib_mad *in_mad, |
e28c00ad BS |
1393 | struct ib_mad *out_mad) |
1394 | { | |
6aea213a | 1395 | struct ib_pma_mad *pmp = (struct ib_pma_mad *)out_mad; |
e28c00ad BS |
1396 | int ret; |
1397 | ||
1398 | *out_mad = *in_mad; | |
6aea213a OG |
1399 | if (pmp->mad_hdr.class_version != 1) { |
1400 | pmp->mad_hdr.status |= IB_SMP_UNSUP_VERSION; | |
e28c00ad BS |
1401 | ret = reply((struct ib_smp *) pmp); |
1402 | goto bail; | |
1403 | } | |
1404 | ||
6aea213a | 1405 | switch (pmp->mad_hdr.method) { |
e28c00ad | 1406 | case IB_MGMT_METHOD_GET: |
6aea213a | 1407 | switch (pmp->mad_hdr.attr_id) { |
e28c00ad BS |
1408 | case IB_PMA_CLASS_PORT_INFO: |
1409 | ret = recv_pma_get_classportinfo(pmp); | |
1410 | goto bail; | |
1411 | case IB_PMA_PORT_SAMPLES_CONTROL: | |
1412 | ret = recv_pma_get_portsamplescontrol(pmp, ibdev, | |
1413 | port_num); | |
1414 | goto bail; | |
1415 | case IB_PMA_PORT_SAMPLES_RESULT: | |
1416 | ret = recv_pma_get_portsamplesresult(pmp, ibdev); | |
1417 | goto bail; | |
1418 | case IB_PMA_PORT_SAMPLES_RESULT_EXT: | |
1419 | ret = recv_pma_get_portsamplesresult_ext(pmp, | |
1420 | ibdev); | |
1421 | goto bail; | |
1422 | case IB_PMA_PORT_COUNTERS: | |
1423 | ret = recv_pma_get_portcounters(pmp, ibdev, | |
1424 | port_num); | |
1425 | goto bail; | |
1426 | case IB_PMA_PORT_COUNTERS_EXT: | |
1427 | ret = recv_pma_get_portcounters_ext(pmp, ibdev, | |
1428 | port_num); | |
1429 | goto bail; | |
1430 | default: | |
6aea213a | 1431 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; |
e28c00ad BS |
1432 | ret = reply((struct ib_smp *) pmp); |
1433 | goto bail; | |
1434 | } | |
1435 | ||
1436 | case IB_MGMT_METHOD_SET: | |
6aea213a | 1437 | switch (pmp->mad_hdr.attr_id) { |
e28c00ad BS |
1438 | case IB_PMA_PORT_SAMPLES_CONTROL: |
1439 | ret = recv_pma_set_portsamplescontrol(pmp, ibdev, | |
1440 | port_num); | |
1441 | goto bail; | |
1442 | case IB_PMA_PORT_COUNTERS: | |
1443 | ret = recv_pma_set_portcounters(pmp, ibdev, | |
1444 | port_num); | |
1445 | goto bail; | |
1446 | case IB_PMA_PORT_COUNTERS_EXT: | |
1447 | ret = recv_pma_set_portcounters_ext(pmp, ibdev, | |
1448 | port_num); | |
1449 | goto bail; | |
1450 | default: | |
6aea213a | 1451 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METH_ATTR; |
e28c00ad BS |
1452 | ret = reply((struct ib_smp *) pmp); |
1453 | goto bail; | |
1454 | } | |
1455 | ||
1456 | case IB_MGMT_METHOD_GET_RESP: | |
1457 | /* | |
1458 | * The ib_mad module will call us to process responses | |
1459 | * before checking for other consumers. | |
1460 | * Just tell the caller to process it normally. | |
1461 | */ | |
f9b40353 | 1462 | ret = IB_MAD_RESULT_SUCCESS; |
e28c00ad BS |
1463 | goto bail; |
1464 | default: | |
6aea213a | 1465 | pmp->mad_hdr.status |= IB_SMP_UNSUP_METHOD; |
e28c00ad BS |
1466 | ret = reply((struct ib_smp *) pmp); |
1467 | } | |
1468 | ||
1469 | bail: | |
1470 | return ret; | |
1471 | } | |
1472 | ||
1473 | /** | |
1474 | * ipath_process_mad - process an incoming MAD packet | |
1475 | * @ibdev: the infiniband device this packet came in on | |
1476 | * @mad_flags: MAD flags | |
1477 | * @port_num: the port number this packet came in on | |
1478 | * @in_wc: the work completion entry for this packet | |
1479 | * @in_grh: the global route header for this packet | |
1480 | * @in_mad: the incoming MAD | |
1481 | * @out_mad: any outgoing MAD reply | |
1482 | * | |
1483 | * Returns IB_MAD_RESULT_SUCCESS if this is a MAD that we are not | |
1484 | * interested in processing. | |
1485 | * | |
1486 | * Note that the verbs framework has already done the MAD sanity checks, | |
1487 | * and hop count/pointer updating for IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE | |
1488 | * MADs. | |
1489 | * | |
1490 | * This is called by the ib_mad module. | |
1491 | */ | |
1492 | int ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, | |
a97e2d86 | 1493 | const struct ib_wc *in_wc, const struct ib_grh *in_grh, |
4cd7c947 IW |
1494 | const struct ib_mad_hdr *in, size_t in_mad_size, |
1495 | struct ib_mad_hdr *out, size_t *out_mad_size, | |
1496 | u16 *out_mad_pkey_index) | |
e28c00ad | 1497 | { |
e28c00ad | 1498 | int ret; |
4cd7c947 IW |
1499 | const struct ib_mad *in_mad = (const struct ib_mad *)in; |
1500 | struct ib_mad *out_mad = (struct ib_mad *)out; | |
1501 | ||
3b8ab700 IW |
1502 | if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) || |
1503 | *out_mad_size != sizeof(*out_mad))) | |
1504 | return IB_MAD_RESULT_FAILURE; | |
e28c00ad | 1505 | |
e28c00ad BS |
1506 | switch (in_mad->mad_hdr.mgmt_class) { |
1507 | case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE: | |
1508 | case IB_MGMT_CLASS_SUBN_LID_ROUTED: | |
1509 | ret = process_subn(ibdev, mad_flags, port_num, | |
1510 | in_mad, out_mad); | |
1511 | goto bail; | |
1512 | case IB_MGMT_CLASS_PERF_MGMT: | |
1513 | ret = process_perf(ibdev, port_num, in_mad, out_mad); | |
1514 | goto bail; | |
1515 | default: | |
1516 | ret = IB_MAD_RESULT_SUCCESS; | |
1517 | } | |
1518 | ||
1519 | bail: | |
1520 | return ret; | |
1521 | } |