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Merge tag 'io_uring-5.7-2020-05-22' of git://git.kernel.dk/linux-block
[thirdparty/linux.git] / drivers / infiniband / hw / i40iw / i40iw_hw.c
CommitLineData
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1/*******************************************************************************
2*
3* Copyright (c) 2015-2016 Intel Corporation. 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* OpenFabrics.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
35#include <linux/module.h>
36#include <linux/moduleparam.h>
37#include <linux/netdevice.h>
38#include <linux/etherdevice.h>
39#include <linux/ip.h>
40#include <linux/tcp.h>
41#include <linux/if_vlan.h>
42
43#include "i40iw.h"
44
45/**
46 * i40iw_initialize_hw_resources - initialize hw resource during open
47 * @iwdev: iwarp device
48 */
49u32 i40iw_initialize_hw_resources(struct i40iw_device *iwdev)
50{
51 unsigned long num_pds;
52 u32 resources_size;
53 u32 max_mr;
54 u32 max_qp;
55 u32 max_cq;
56 u32 arp_table_size;
57 u32 mrdrvbits;
58 void *resource_ptr;
59
60 max_qp = iwdev->sc_dev.hmc_info->hmc_obj[I40IW_HMC_IW_QP].cnt;
61 max_cq = iwdev->sc_dev.hmc_info->hmc_obj[I40IW_HMC_IW_CQ].cnt;
62 max_mr = iwdev->sc_dev.hmc_info->hmc_obj[I40IW_HMC_IW_MR].cnt;
63 arp_table_size = iwdev->sc_dev.hmc_info->hmc_obj[I40IW_HMC_IW_ARP].cnt;
64 iwdev->max_cqe = 0xFFFFF;
85a87c90 65 num_pds = I40IW_MAX_PDS;
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66 resources_size = sizeof(struct i40iw_arp_entry) * arp_table_size;
67 resources_size += sizeof(unsigned long) * BITS_TO_LONGS(max_qp);
68 resources_size += sizeof(unsigned long) * BITS_TO_LONGS(max_mr);
69 resources_size += sizeof(unsigned long) * BITS_TO_LONGS(max_cq);
70 resources_size += sizeof(unsigned long) * BITS_TO_LONGS(num_pds);
71 resources_size += sizeof(unsigned long) * BITS_TO_LONGS(arp_table_size);
72 resources_size += sizeof(struct i40iw_qp **) * max_qp;
73 iwdev->mem_resources = kzalloc(resources_size, GFP_KERNEL);
74
75 if (!iwdev->mem_resources)
76 return -ENOMEM;
77
78 iwdev->max_qp = max_qp;
79 iwdev->max_mr = max_mr;
80 iwdev->max_cq = max_cq;
81 iwdev->max_pd = num_pds;
82 iwdev->arp_table_size = arp_table_size;
83 iwdev->arp_table = (struct i40iw_arp_entry *)iwdev->mem_resources;
84 resource_ptr = iwdev->mem_resources + (sizeof(struct i40iw_arp_entry) * arp_table_size);
85
86 iwdev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY |
87 IB_DEVICE_MEM_WINDOW | IB_DEVICE_MEM_MGT_EXTENSIONS;
88
89 iwdev->allocated_qps = resource_ptr;
90 iwdev->allocated_cqs = &iwdev->allocated_qps[BITS_TO_LONGS(max_qp)];
91 iwdev->allocated_mrs = &iwdev->allocated_cqs[BITS_TO_LONGS(max_cq)];
92 iwdev->allocated_pds = &iwdev->allocated_mrs[BITS_TO_LONGS(max_mr)];
93 iwdev->allocated_arps = &iwdev->allocated_pds[BITS_TO_LONGS(num_pds)];
94 iwdev->qp_table = (struct i40iw_qp **)(&iwdev->allocated_arps[BITS_TO_LONGS(arp_table_size)]);
95 set_bit(0, iwdev->allocated_mrs);
96 set_bit(0, iwdev->allocated_qps);
97 set_bit(0, iwdev->allocated_cqs);
98 set_bit(0, iwdev->allocated_pds);
99 set_bit(0, iwdev->allocated_arps);
100
101 /* Following for ILQ/IEQ */
102 set_bit(1, iwdev->allocated_qps);
103 set_bit(1, iwdev->allocated_cqs);
104 set_bit(1, iwdev->allocated_pds);
105 set_bit(2, iwdev->allocated_cqs);
106 set_bit(2, iwdev->allocated_pds);
107
108 spin_lock_init(&iwdev->resource_lock);
996abf0a 109 spin_lock_init(&iwdev->qptable_lock);
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110 /* stag index mask has a minimum of 14 bits */
111 mrdrvbits = 24 - max(get_count_order(iwdev->max_mr), 14);
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112 iwdev->mr_stagmask = ~(((1 << mrdrvbits) - 1) << (32 - mrdrvbits));
113 return 0;
114}
115
116/**
117 * i40iw_cqp_ce_handler - handle cqp completions
118 * @iwdev: iwarp device
119 * @arm: flag to arm after completions
120 * @cq: cq for cqp completions
121 */
122static void i40iw_cqp_ce_handler(struct i40iw_device *iwdev, struct i40iw_sc_cq *cq, bool arm)
123{
124 struct i40iw_cqp_request *cqp_request;
125 struct i40iw_sc_dev *dev = &iwdev->sc_dev;
126 u32 cqe_count = 0;
127 struct i40iw_ccq_cqe_info info;
128 int ret;
129
130 do {
131 memset(&info, 0, sizeof(info));
132 ret = dev->ccq_ops->ccq_get_cqe_info(cq, &info);
133 if (ret)
134 break;
135 cqp_request = (struct i40iw_cqp_request *)(unsigned long)info.scratch;
136 if (info.error)
137 i40iw_pr_err("opcode = 0x%x maj_err_code = 0x%x min_err_code = 0x%x\n",
138 info.op_code, info.maj_err_code, info.min_err_code);
139 if (cqp_request) {
140 cqp_request->compl_info.maj_err_code = info.maj_err_code;
141 cqp_request->compl_info.min_err_code = info.min_err_code;
142 cqp_request->compl_info.op_ret_val = info.op_ret_val;
143 cqp_request->compl_info.error = info.error;
144
145 if (cqp_request->waiting) {
146 cqp_request->request_done = true;
147 wake_up(&cqp_request->waitq);
148 i40iw_put_cqp_request(&iwdev->cqp, cqp_request);
149 } else {
150 if (cqp_request->callback_fcn)
151 cqp_request->callback_fcn(cqp_request, 1);
152 i40iw_put_cqp_request(&iwdev->cqp, cqp_request);
153 }
154 }
155
156 cqe_count++;
157 } while (1);
158
159 if (arm && cqe_count) {
160 i40iw_process_bh(dev);
161 dev->ccq_ops->ccq_arm(cq);
162 }
163}
164
165/**
166 * i40iw_iwarp_ce_handler - handle iwarp completions
167 * @iwdev: iwarp device
168 * @iwcp: iwarp cq receiving event
169 */
170static void i40iw_iwarp_ce_handler(struct i40iw_device *iwdev,
171 struct i40iw_sc_cq *iwcq)
172{
173 struct i40iw_cq *i40iwcq = iwcq->back_cq;
174
175 if (i40iwcq->ibcq.comp_handler)
176 i40iwcq->ibcq.comp_handler(&i40iwcq->ibcq,
177 i40iwcq->ibcq.cq_context);
178}
179
180/**
181 * i40iw_puda_ce_handler - handle puda completion events
182 * @iwdev: iwarp device
183 * @cq: puda completion q for event
184 */
185static void i40iw_puda_ce_handler(struct i40iw_device *iwdev,
186 struct i40iw_sc_cq *cq)
187{
188 struct i40iw_sc_dev *dev = (struct i40iw_sc_dev *)&iwdev->sc_dev;
189 enum i40iw_status_code status;
190 u32 compl_error;
191
192 do {
193 status = i40iw_puda_poll_completion(dev, cq, &compl_error);
194 if (status == I40IW_ERR_QUEUE_EMPTY)
195 break;
196 if (status) {
197 i40iw_pr_err("puda status = %d\n", status);
198 break;
199 }
200 if (compl_error) {
201 i40iw_pr_err("puda compl_err =0x%x\n", compl_error);
202 break;
203 }
204 } while (1);
205
206 dev->ccq_ops->ccq_arm(cq);
207}
208
209/**
210 * i40iw_process_ceq - handle ceq for completions
211 * @iwdev: iwarp device
212 * @ceq: ceq having cq for completion
213 */
214void i40iw_process_ceq(struct i40iw_device *iwdev, struct i40iw_ceq *ceq)
215{
216 struct i40iw_sc_dev *dev = &iwdev->sc_dev;
217 struct i40iw_sc_ceq *sc_ceq;
218 struct i40iw_sc_cq *cq;
219 bool arm = true;
220
221 sc_ceq = &ceq->sc_ceq;
222 do {
223 cq = dev->ceq_ops->process_ceq(dev, sc_ceq);
224 if (!cq)
225 break;
226
227 if (cq->cq_type == I40IW_CQ_TYPE_CQP)
228 i40iw_cqp_ce_handler(iwdev, cq, arm);
229 else if (cq->cq_type == I40IW_CQ_TYPE_IWARP)
230 i40iw_iwarp_ce_handler(iwdev, cq);
231 else if ((cq->cq_type == I40IW_CQ_TYPE_ILQ) ||
232 (cq->cq_type == I40IW_CQ_TYPE_IEQ))
233 i40iw_puda_ce_handler(iwdev, cq);
234 } while (1);
235}
236
237/**
238 * i40iw_next_iw_state - modify qp state
239 * @iwqp: iwarp qp to modify
240 * @state: next state for qp
241 * @del_hash: del hash
242 * @term: term message
243 * @termlen: length of term message
244 */
245void i40iw_next_iw_state(struct i40iw_qp *iwqp,
246 u8 state,
247 u8 del_hash,
248 u8 term,
249 u8 termlen)
250{
251 struct i40iw_modify_qp_info info;
252
253 memset(&info, 0, sizeof(info));
254 info.next_iwarp_state = state;
255 info.remove_hash_idx = del_hash;
256 info.cq_num_valid = true;
257 info.arp_cache_idx_valid = true;
258 info.dont_send_term = true;
259 info.dont_send_fin = true;
260 info.termlen = termlen;
261
262 if (term & I40IWQP_TERM_SEND_TERM_ONLY)
263 info.dont_send_term = false;
264 if (term & I40IWQP_TERM_SEND_FIN_ONLY)
265 info.dont_send_fin = false;
266 if (iwqp->sc_qp.term_flags && (state == I40IW_QP_STATE_ERROR))
267 info.reset_tcp_conn = true;
866e0f4d 268 iwqp->hw_iwarp_state = state;
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269 i40iw_hw_modify_qp(iwqp->iwdev, iwqp, &info, 0);
270}
271
272/**
273 * i40iw_process_aeq - handle aeq events
274 * @iwdev: iwarp device
275 */
276void i40iw_process_aeq(struct i40iw_device *iwdev)
277{
278 struct i40iw_sc_dev *dev = &iwdev->sc_dev;
279 struct i40iw_aeq *aeq = &iwdev->aeq;
280 struct i40iw_sc_aeq *sc_aeq = &aeq->sc_aeq;
281 struct i40iw_aeqe_info aeinfo;
282 struct i40iw_aeqe_info *info = &aeinfo;
283 int ret;
284 struct i40iw_qp *iwqp = NULL;
285 struct i40iw_sc_cq *cq = NULL;
286 struct i40iw_cq *iwcq = NULL;
287 struct i40iw_sc_qp *qp = NULL;
288 struct i40iw_qp_host_ctx_info *ctx_info = NULL;
289 unsigned long flags;
290
291 u32 aeqcnt = 0;
292
293 if (!sc_aeq->size)
294 return;
295
296 do {
297 memset(info, 0, sizeof(*info));
298 ret = dev->aeq_ops->get_next_aeqe(sc_aeq, info);
299 if (ret)
300 break;
301
302 aeqcnt++;
303 i40iw_debug(dev, I40IW_DEBUG_AEQ,
304 "%s ae_id = 0x%x bool qp=%d qp_id = %d\n",
305 __func__, info->ae_id, info->qp, info->qp_cq_id);
306 if (info->qp) {
996abf0a 307 spin_lock_irqsave(&iwdev->qptable_lock, flags);
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308 iwqp = iwdev->qp_table[info->qp_cq_id];
309 if (!iwqp) {
996abf0a 310 spin_unlock_irqrestore(&iwdev->qptable_lock, flags);
f4a87ca1
MI
311 i40iw_debug(dev, I40IW_DEBUG_AEQ,
312 "%s qp_id %d is already freed\n",
313 __func__, info->qp_cq_id);
4e9042e6
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314 continue;
315 }
996abf0a
IM
316 i40iw_add_ref(&iwqp->ibqp);
317 spin_unlock_irqrestore(&iwdev->qptable_lock, flags);
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FL
318 qp = &iwqp->sc_qp;
319 spin_lock_irqsave(&iwqp->lock, flags);
320 iwqp->hw_tcp_state = info->tcp_state;
321 iwqp->hw_iwarp_state = info->iwarp_state;
322 iwqp->last_aeq = info->ae_id;
323 spin_unlock_irqrestore(&iwqp->lock, flags);
324 ctx_info = &iwqp->ctx_info;
325 ctx_info->err_rq_idx_valid = true;
326 } else {
327 if (info->ae_id != I40IW_AE_CQ_OPERATION_ERROR)
328 continue;
329 }
330
331 switch (info->ae_id) {
332 case I40IW_AE_LLP_FIN_RECEIVED:
333 if (qp->term_flags)
9f7b16af 334 break;
4e9042e6
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335 if (atomic_inc_return(&iwqp->close_timer_started) == 1) {
336 iwqp->hw_tcp_state = I40IW_TCP_STATE_CLOSE_WAIT;
337 if ((iwqp->hw_tcp_state == I40IW_TCP_STATE_CLOSE_WAIT) &&
338 (iwqp->ibqp_state == IB_QPS_RTS)) {
339 i40iw_next_iw_state(iwqp,
340 I40IW_QP_STATE_CLOSING, 0, 0, 0);
341 i40iw_cm_disconn(iwqp);
342 }
343 iwqp->cm_id->add_ref(iwqp->cm_id);
344 i40iw_schedule_cm_timer(iwqp->cm_node,
345 (struct i40iw_puda_buf *)iwqp,
346 I40IW_TIMER_TYPE_CLOSE, 1, 0);
347 }
348 break;
349 case I40IW_AE_LLP_CLOSE_COMPLETE:
350 if (qp->term_flags)
351 i40iw_terminate_done(qp, 0);
352 else
353 i40iw_cm_disconn(iwqp);
354 break;
546b1452
HO
355 case I40IW_AE_BAD_CLOSE:
356 /* fall through */
4e9042e6
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357 case I40IW_AE_RESET_SENT:
358 i40iw_next_iw_state(iwqp, I40IW_QP_STATE_ERROR, 1, 0, 0);
359 i40iw_cm_disconn(iwqp);
360 break;
361 case I40IW_AE_LLP_CONNECTION_RESET:
362 if (atomic_read(&iwqp->close_timer_started))
9f7b16af 363 break;
4e9042e6
FL
364 i40iw_cm_disconn(iwqp);
365 break;
0fc2dc58
HO
366 case I40IW_AE_QP_SUSPEND_COMPLETE:
367 i40iw_qp_suspend_resume(dev, &iwqp->sc_qp, false);
368 break;
4e9042e6
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369 case I40IW_AE_TERMINATE_SENT:
370 i40iw_terminate_send_fin(qp);
371 break;
372 case I40IW_AE_LLP_TERMINATE_RECEIVED:
373 i40iw_terminate_received(qp, info);
374 break;
375 case I40IW_AE_CQ_OPERATION_ERROR:
376 i40iw_pr_err("Processing an iWARP related AE for CQ misc = 0x%04X\n",
377 info->ae_id);
378 cq = (struct i40iw_sc_cq *)(unsigned long)info->compl_ctx;
379 iwcq = (struct i40iw_cq *)cq->back_cq;
380
381 if (iwcq->ibcq.event_handler) {
382 struct ib_event ibevent;
383
384 ibevent.device = iwcq->ibcq.device;
385 ibevent.event = IB_EVENT_CQ_ERR;
386 ibevent.element.cq = &iwcq->ibcq;
387 iwcq->ibcq.event_handler(&ibevent, iwcq->ibcq.cq_context);
388 }
389 break;
756f77d2
SS
390 case I40IW_AE_LLP_DOUBT_REACHABILITY:
391 break;
4e9042e6
FL
392 case I40IW_AE_PRIV_OPERATION_DENIED:
393 case I40IW_AE_STAG_ZERO_INVALID:
394 case I40IW_AE_IB_RREQ_AND_Q1_FULL:
395 case I40IW_AE_DDP_UBE_INVALID_DDP_VERSION:
396 case I40IW_AE_DDP_UBE_INVALID_MO:
397 case I40IW_AE_DDP_UBE_INVALID_QN:
398 case I40IW_AE_DDP_NO_L_BIT:
399 case I40IW_AE_RDMAP_ROE_INVALID_RDMAP_VERSION:
400 case I40IW_AE_RDMAP_ROE_UNEXPECTED_OPCODE:
401 case I40IW_AE_ROE_INVALID_RDMA_READ_REQUEST:
402 case I40IW_AE_ROE_INVALID_RDMA_WRITE_OR_READ_RESP:
403 case I40IW_AE_INVALID_ARP_ENTRY:
404 case I40IW_AE_INVALID_TCP_OPTION_RCVD:
405 case I40IW_AE_STALE_ARP_ENTRY:
406 case I40IW_AE_LLP_RECEIVED_MPA_CRC_ERROR:
407 case I40IW_AE_LLP_SEGMENT_TOO_SMALL:
408 case I40IW_AE_LLP_SYN_RECEIVED:
409 case I40IW_AE_LLP_TOO_MANY_RETRIES:
4e9042e6
FL
410 case I40IW_AE_LCE_QP_CATASTROPHIC:
411 case I40IW_AE_LCE_FUNCTION_CATASTROPHIC:
412 case I40IW_AE_LCE_CQ_CATASTROPHIC:
413 case I40IW_AE_UDA_XMIT_DGRAM_TOO_LONG:
2d7099fc 414 case I40IW_AE_UDA_XMIT_DGRAM_TOO_SHORT:
4e9042e6 415 ctx_info->err_rq_idx_valid = false;
ad4d6340 416 /* fall through */
4e9042e6 417 default:
0fc2dc58
HO
418 if (!info->sq && ctx_info->err_rq_idx_valid) {
419 ctx_info->err_rq_idx = info->wqe_idx;
420 ctx_info->tcp_info_valid = false;
421 ctx_info->iwarp_info_valid = false;
422 ret = dev->iw_priv_qp_ops->qp_setctx(&iwqp->sc_qp,
423 iwqp->host_ctx.va,
424 ctx_info);
425 }
426 i40iw_terminate_connection(qp, info);
427 break;
4e9042e6 428 }
996abf0a
IM
429 if (info->qp)
430 i40iw_rem_ref(&iwqp->ibqp);
4e9042e6
FL
431 } while (1);
432
433 if (aeqcnt)
434 dev->aeq_ops->repost_aeq_entries(dev, aeqcnt);
435}
436
437/**
aaf5e003 438 * i40iw_cqp_manage_abvpt_cmd - send cqp command manage abpvt
4e9042e6
FL
439 * @iwdev: iwarp device
440 * @accel_local_port: port for apbvt
441 * @add_port: add or delete port
442 */
aaf5e003
SS
443static enum i40iw_status_code
444i40iw_cqp_manage_abvpt_cmd(struct i40iw_device *iwdev,
445 u16 accel_local_port,
446 bool add_port)
4e9042e6
FL
447{
448 struct i40iw_apbvt_info *info;
4e9042e6
FL
449 struct i40iw_cqp_request *cqp_request;
450 struct cqp_commands_info *cqp_info;
aaf5e003 451 enum i40iw_status_code status;
4e9042e6
FL
452
453 cqp_request = i40iw_get_cqp_request(&iwdev->cqp, add_port);
aaf5e003
SS
454 if (!cqp_request)
455 return I40IW_ERR_NO_MEMORY;
4e9042e6
FL
456
457 cqp_info = &cqp_request->info;
458 info = &cqp_info->in.u.manage_apbvt_entry.info;
459
460 memset(info, 0, sizeof(*info));
461 info->add = add_port;
462 info->port = cpu_to_le16(accel_local_port);
463
464 cqp_info->cqp_cmd = OP_MANAGE_APBVT_ENTRY;
465 cqp_info->post_sq = 1;
466 cqp_info->in.u.manage_apbvt_entry.cqp = &iwdev->cqp.sc_cqp;
467 cqp_info->in.u.manage_apbvt_entry.scratch = (uintptr_t)cqp_request;
468 status = i40iw_handle_cqp_op(iwdev, cqp_request);
469 if (status)
470 i40iw_pr_err("CQP-OP Manage APBVT entry fail");
f43c00c0 471
4e9042e6
FL
472 return status;
473}
474
aaf5e003
SS
475/**
476 * i40iw_manage_apbvt - add or delete tcp port
477 * @iwdev: iwarp device
478 * @accel_local_port: port for apbvt
479 * @add_port: add or delete port
480 */
481enum i40iw_status_code i40iw_manage_apbvt(struct i40iw_device *iwdev,
482 u16 accel_local_port,
483 bool add_port)
484{
485 struct i40iw_cm_core *cm_core = &iwdev->cm_core;
486 enum i40iw_status_code status;
487 unsigned long flags;
488 bool in_use;
489
490 /* apbvt_lock is held across CQP delete APBVT OP (non-waiting) to
491 * protect against race where add APBVT CQP can race ahead of the delete
492 * APBVT for same port.
493 */
494 if (add_port) {
495 spin_lock_irqsave(&cm_core->apbvt_lock, flags);
496 in_use = __test_and_set_bit(accel_local_port,
497 cm_core->ports_in_use);
498 spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
499 if (in_use)
500 return 0;
501 return i40iw_cqp_manage_abvpt_cmd(iwdev, accel_local_port,
502 true);
503 } else {
504 spin_lock_irqsave(&cm_core->apbvt_lock, flags);
505 in_use = i40iw_port_in_use(cm_core, accel_local_port);
506 if (in_use) {
507 spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
508 return 0;
509 }
510 __clear_bit(accel_local_port, cm_core->ports_in_use);
511 status = i40iw_cqp_manage_abvpt_cmd(iwdev, accel_local_port,
512 false);
513 spin_unlock_irqrestore(&cm_core->apbvt_lock, flags);
514 return status;
515 }
516}
517
4e9042e6
FL
518/**
519 * i40iw_manage_arp_cache - manage hw arp cache
520 * @iwdev: iwarp device
521 * @mac_addr: mac address ptr
522 * @ip_addr: ip addr for arp cache
523 * @action: add, delete or modify
524 */
525void i40iw_manage_arp_cache(struct i40iw_device *iwdev,
526 unsigned char *mac_addr,
20c61f7e 527 u32 *ip_addr,
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FL
528 bool ipv4,
529 u32 action)
530{
531 struct i40iw_add_arp_cache_entry_info *info;
532 struct i40iw_cqp_request *cqp_request;
533 struct cqp_commands_info *cqp_info;
534 int arp_index;
535
536 arp_index = i40iw_arp_table(iwdev, ip_addr, ipv4, mac_addr, action);
37e31d2d 537 if (arp_index < 0)
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538 return;
539 cqp_request = i40iw_get_cqp_request(&iwdev->cqp, false);
540 if (!cqp_request)
541 return;
542
543 cqp_info = &cqp_request->info;
544 if (action == I40IW_ARP_ADD) {
545 cqp_info->cqp_cmd = OP_ADD_ARP_CACHE_ENTRY;
546 info = &cqp_info->in.u.add_arp_cache_entry.info;
547 memset(info, 0, sizeof(*info));
20c61f7e 548 info->arp_index = cpu_to_le16((u16)arp_index);
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549 info->permanent = true;
550 ether_addr_copy(info->mac_addr, mac_addr);
551 cqp_info->in.u.add_arp_cache_entry.scratch = (uintptr_t)cqp_request;
552 cqp_info->in.u.add_arp_cache_entry.cqp = &iwdev->cqp.sc_cqp;
553 } else {
554 cqp_info->cqp_cmd = OP_DELETE_ARP_CACHE_ENTRY;
555 cqp_info->in.u.del_arp_cache_entry.scratch = (uintptr_t)cqp_request;
556 cqp_info->in.u.del_arp_cache_entry.cqp = &iwdev->cqp.sc_cqp;
557 cqp_info->in.u.del_arp_cache_entry.arp_index = arp_index;
558 }
559
560 cqp_info->in.u.add_arp_cache_entry.cqp = &iwdev->cqp.sc_cqp;
561 cqp_info->in.u.add_arp_cache_entry.scratch = (uintptr_t)cqp_request;
562 cqp_info->post_sq = 1;
563 if (i40iw_handle_cqp_op(iwdev, cqp_request))
564 i40iw_pr_err("CQP-OP Add/Del Arp Cache entry fail");
565}
566
567/**
568 * i40iw_send_syn_cqp_callback - do syn/ack after qhash
569 * @cqp_request: qhash cqp completion
570 * @send_ack: flag send ack
571 */
572static void i40iw_send_syn_cqp_callback(struct i40iw_cqp_request *cqp_request, u32 send_ack)
573{
574 i40iw_send_syn(cqp_request->param, send_ack);
575}
576
577/**
578 * i40iw_manage_qhash - add or modify qhash
579 * @iwdev: iwarp device
580 * @cminfo: cm info for qhash
581 * @etype: type (syn or quad)
582 * @mtype: type of qhash
583 * @cmnode: cmnode associated with connection
584 * @wait: wait for completion
585 * @user_pri:user pri of the connection
586 */
587enum i40iw_status_code i40iw_manage_qhash(struct i40iw_device *iwdev,
588 struct i40iw_cm_info *cminfo,
589 enum i40iw_quad_entry_type etype,
590 enum i40iw_quad_hash_manage_type mtype,
591 void *cmnode,
592 bool wait)
593{
594 struct i40iw_qhash_table_info *info;
595 struct i40iw_sc_dev *dev = &iwdev->sc_dev;
d6f7bbcc 596 struct i40iw_sc_vsi *vsi = &iwdev->vsi;
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597 enum i40iw_status_code status;
598 struct i40iw_cqp *iwcqp = &iwdev->cqp;
599 struct i40iw_cqp_request *cqp_request;
600 struct cqp_commands_info *cqp_info;
601
602 cqp_request = i40iw_get_cqp_request(iwcqp, wait);
603 if (!cqp_request)
604 return I40IW_ERR_NO_MEMORY;
605 cqp_info = &cqp_request->info;
606 info = &cqp_info->in.u.manage_qhash_table_entry.info;
607 memset(info, 0, sizeof(*info));
608
d6f7bbcc 609 info->vsi = &iwdev->vsi;
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610 info->manage = mtype;
611 info->entry_type = etype;
612 if (cminfo->vlan_id != 0xFFFF) {
613 info->vlan_valid = true;
614 info->vlan_id = cpu_to_le16(cminfo->vlan_id);
615 } else {
616 info->vlan_valid = false;
617 }
618
619 info->ipv4_valid = cminfo->ipv4;
0fc2dc58 620 info->user_pri = cminfo->user_pri;
4e9042e6 621 ether_addr_copy(info->mac_addr, iwdev->netdev->dev_addr);
d6f7bbcc 622 info->qp_num = cpu_to_le32(vsi->ilq->qp_id);
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FL
623 info->dest_port = cpu_to_le16(cminfo->loc_port);
624 info->dest_ip[0] = cpu_to_le32(cminfo->loc_addr[0]);
625 info->dest_ip[1] = cpu_to_le32(cminfo->loc_addr[1]);
626 info->dest_ip[2] = cpu_to_le32(cminfo->loc_addr[2]);
627 info->dest_ip[3] = cpu_to_le32(cminfo->loc_addr[3]);
4e9042e6 628 if (etype == I40IW_QHASH_TYPE_TCP_ESTABLISHED) {
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FL
629 info->src_port = cpu_to_le16(cminfo->rem_port);
630 info->src_ip[0] = cpu_to_le32(cminfo->rem_addr[0]);
631 info->src_ip[1] = cpu_to_le32(cminfo->rem_addr[1]);
632 info->src_ip[2] = cpu_to_le32(cminfo->rem_addr[2]);
633 info->src_ip[3] = cpu_to_le32(cminfo->rem_addr[3]);
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634 }
635 if (cmnode) {
636 cqp_request->callback_fcn = i40iw_send_syn_cqp_callback;
637 cqp_request->param = (void *)cmnode;
638 }
639
640 if (info->ipv4_valid)
641 i40iw_debug(dev, I40IW_DEBUG_CM,
642 "%s:%s IP=%pI4, port=%d, mac=%pM, vlan_id=%d\n",
643 __func__, (!mtype) ? "DELETE" : "ADD",
644 info->dest_ip,
645 info->dest_port, info->mac_addr, cminfo->vlan_id);
646 else
647 i40iw_debug(dev, I40IW_DEBUG_CM,
648 "%s:%s IP=%pI6, port=%d, mac=%pM, vlan_id=%d\n",
649 __func__, (!mtype) ? "DELETE" : "ADD",
650 info->dest_ip,
651 info->dest_port, info->mac_addr, cminfo->vlan_id);
652 cqp_info->in.u.manage_qhash_table_entry.cqp = &iwdev->cqp.sc_cqp;
653 cqp_info->in.u.manage_qhash_table_entry.scratch = (uintptr_t)cqp_request;
654 cqp_info->cqp_cmd = OP_MANAGE_QHASH_TABLE_ENTRY;
655 cqp_info->post_sq = 1;
656 status = i40iw_handle_cqp_op(iwdev, cqp_request);
657 if (status)
658 i40iw_pr_err("CQP-OP Manage Qhash Entry fail");
659 return status;
660}
661
662/**
663 * i40iw_hw_flush_wqes - flush qp's wqe
664 * @iwdev: iwarp device
665 * @qp: hardware control qp
666 * @info: info for flush
667 * @wait: flag wait for completion
668 */
669enum i40iw_status_code i40iw_hw_flush_wqes(struct i40iw_device *iwdev,
670 struct i40iw_sc_qp *qp,
671 struct i40iw_qp_flush_info *info,
672 bool wait)
673{
674 enum i40iw_status_code status;
675 struct i40iw_qp_flush_info *hw_info;
676 struct i40iw_cqp_request *cqp_request;
677 struct cqp_commands_info *cqp_info;
1cda28bb 678 struct i40iw_qp *iwqp = (struct i40iw_qp *)qp->back_qp;
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679
680 cqp_request = i40iw_get_cqp_request(&iwdev->cqp, wait);
681 if (!cqp_request)
682 return I40IW_ERR_NO_MEMORY;
683
684 cqp_info = &cqp_request->info;
685 hw_info = &cqp_request->info.in.u.qp_flush_wqes.info;
686 memcpy(hw_info, info, sizeof(*hw_info));
687
688 cqp_info->cqp_cmd = OP_QP_FLUSH_WQES;
689 cqp_info->post_sq = 1;
690 cqp_info->in.u.qp_flush_wqes.qp = qp;
691 cqp_info->in.u.qp_flush_wqes.scratch = (uintptr_t)cqp_request;
692 status = i40iw_handle_cqp_op(iwdev, cqp_request);
1cda28bb 693 if (status) {
4e9042e6 694 i40iw_pr_err("CQP-OP Flush WQE's fail");
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SS
695 complete(&iwqp->sq_drained);
696 complete(&iwqp->rq_drained);
697 return status;
698 }
699 if (!cqp_request->compl_info.maj_err_code) {
700 switch (cqp_request->compl_info.min_err_code) {
701 case I40IW_CQP_COMPL_RQ_WQE_FLUSHED:
702 complete(&iwqp->sq_drained);
703 break;
704 case I40IW_CQP_COMPL_SQ_WQE_FLUSHED:
705 complete(&iwqp->rq_drained);
706 break;
707 case I40IW_CQP_COMPL_RQ_SQ_WQE_FLUSHED:
708 break;
709 default:
710 complete(&iwqp->sq_drained);
711 complete(&iwqp->rq_drained);
712 break;
713 }
714 }
715
716 return 0;
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717}
718
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719/**
720 * i40iw_gen_ae - generate AE
721 * @iwdev: iwarp device
722 * @qp: qp associated with AE
723 * @info: info for ae
724 * @wait: wait for completion
725 */
726void i40iw_gen_ae(struct i40iw_device *iwdev,
727 struct i40iw_sc_qp *qp,
728 struct i40iw_gen_ae_info *info,
729 bool wait)
730{
731 struct i40iw_gen_ae_info *ae_info;
732 struct i40iw_cqp_request *cqp_request;
733 struct cqp_commands_info *cqp_info;
734
735 cqp_request = i40iw_get_cqp_request(&iwdev->cqp, wait);
736 if (!cqp_request)
737 return;
738
739 cqp_info = &cqp_request->info;
740 ae_info = &cqp_request->info.in.u.gen_ae.info;
741 memcpy(ae_info, info, sizeof(*ae_info));
742
743 cqp_info->cqp_cmd = OP_GEN_AE;
744 cqp_info->post_sq = 1;
745 cqp_info->in.u.gen_ae.qp = qp;
746 cqp_info->in.u.gen_ae.scratch = (uintptr_t)cqp_request;
747 if (i40iw_handle_cqp_op(iwdev, cqp_request))
748 i40iw_pr_err("CQP OP failed attempting to generate ae_code=0x%x\n",
749 info->ae_code);
750}
751
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752/**
753 * i40iw_hw_manage_vf_pble_bp - manage vf pbles
754 * @iwdev: iwarp device
755 * @info: info for managing pble
756 * @wait: flag wait for completion
757 */
758enum i40iw_status_code i40iw_hw_manage_vf_pble_bp(struct i40iw_device *iwdev,
759 struct i40iw_manage_vf_pble_info *info,
760 bool wait)
761{
762 enum i40iw_status_code status;
763 struct i40iw_manage_vf_pble_info *hw_info;
764 struct i40iw_cqp_request *cqp_request;
765 struct cqp_commands_info *cqp_info;
766
767 if ((iwdev->init_state < CCQ_CREATED) && wait)
768 wait = false;
769
770 cqp_request = i40iw_get_cqp_request(&iwdev->cqp, wait);
771 if (!cqp_request)
772 return I40IW_ERR_NO_MEMORY;
773
774 cqp_info = &cqp_request->info;
775 hw_info = &cqp_request->info.in.u.manage_vf_pble_bp.info;
776 memcpy(hw_info, info, sizeof(*hw_info));
777
778 cqp_info->cqp_cmd = OP_MANAGE_VF_PBLE_BP;
779 cqp_info->post_sq = 1;
780 cqp_info->in.u.manage_vf_pble_bp.cqp = &iwdev->cqp.sc_cqp;
781 cqp_info->in.u.manage_vf_pble_bp.scratch = (uintptr_t)cqp_request;
782 status = i40iw_handle_cqp_op(iwdev, cqp_request);
783 if (status)
784 i40iw_pr_err("CQP-OP Manage VF pble_bp fail");
785 return status;
786}
787
788/**
789 * i40iw_get_ib_wc - return change flush code to IB's
790 * @opcode: iwarp flush code
791 */
792static enum ib_wc_status i40iw_get_ib_wc(enum i40iw_flush_opcode opcode)
793{
794 switch (opcode) {
795 case FLUSH_PROT_ERR:
796 return IB_WC_LOC_PROT_ERR;
797 case FLUSH_REM_ACCESS_ERR:
798 return IB_WC_REM_ACCESS_ERR;
799 case FLUSH_LOC_QP_OP_ERR:
800 return IB_WC_LOC_QP_OP_ERR;
801 case FLUSH_REM_OP_ERR:
802 return IB_WC_REM_OP_ERR;
803 case FLUSH_LOC_LEN_ERR:
804 return IB_WC_LOC_LEN_ERR;
805 case FLUSH_GENERAL_ERR:
806 return IB_WC_GENERAL_ERR;
807 case FLUSH_FATAL_ERR:
808 default:
809 return IB_WC_FATAL_ERR;
810 }
811}
812
813/**
814 * i40iw_set_flush_info - set flush info
815 * @pinfo: set flush info
816 * @min: minor err
817 * @maj: major err
818 * @opcode: flush error code
819 */
820static void i40iw_set_flush_info(struct i40iw_qp_flush_info *pinfo,
821 u16 *min,
822 u16 *maj,
823 enum i40iw_flush_opcode opcode)
824{
825 *min = (u16)i40iw_get_ib_wc(opcode);
826 *maj = CQE_MAJOR_DRV;
827 pinfo->userflushcode = true;
828}
829
830/**
831 * i40iw_flush_wqes - flush wqe for qp
832 * @iwdev: iwarp device
833 * @iwqp: qp to flush wqes
834 */
835void i40iw_flush_wqes(struct i40iw_device *iwdev, struct i40iw_qp *iwqp)
836{
837 struct i40iw_qp_flush_info info;
838 struct i40iw_qp_flush_info *pinfo = &info;
839
840 struct i40iw_sc_qp *qp = &iwqp->sc_qp;
841
842 memset(pinfo, 0, sizeof(*pinfo));
843 info.sq = true;
844 info.rq = true;
845 if (qp->term_flags) {
846 i40iw_set_flush_info(pinfo, &pinfo->sq_minor_code,
847 &pinfo->sq_major_code, qp->flush_code);
848 i40iw_set_flush_info(pinfo, &pinfo->rq_minor_code,
849 &pinfo->rq_major_code, qp->flush_code);
850 }
851 (void)i40iw_hw_flush_wqes(iwdev, &iwqp->sc_qp, &info, true);
852}