1 /*
2 * Broadcom NetXtreme-E RoCE driver.
3 *
4 * Copyright (c) 2016 - 2017, Broadcom. All rights reserved. The term
5 * Broadcom refers to Broadcom Limited and/or its subsidiaries.
6 *
7 * This software is available to you under a choice of one of two
8 * licenses. You may choose to be licensed under the terms of the GNU
9 * General Public License (GPL) Version 2, available from the file
10 * COPYING in the main directory of this source tree, or the
11 * BSD license below:
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in
21 * the documentation and/or other materials provided with the
22 * distribution.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
26 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
31 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
33 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
34 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 *
36 * Description: Slow Path Operators
37 */
38
39 #define dev_fmt(fmt) "QPLIB: " fmt
40
41 #include <linux/interrupt.h>
42 #include <linux/spinlock.h>
43 #include <linux/sched.h>
44 #include <linux/pci.h>
45
46 #include "roce_hsi.h"
47
48 #include "qplib_res.h"
49 #include "qplib_rcfw.h"
50 #include "qplib_sp.h"
51 #include "qplib_tlv.h"
52
53 const struct bnxt_qplib_gid bnxt_qplib_gid_zero = {{ 0, 0, 0, 0, 0, 0, 0, 0,
54 0, 0, 0, 0, 0, 0, 0, 0 } };
55
56 /* Device */
57
bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw * rcfw)58 static bool bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw *rcfw)
59 {
60 u16 pcie_ctl2 = 0;
61
62 if (!bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx))
63 return false;
64
65 pcie_capability_read_word(rcfw->pdev, PCI_EXP_DEVCTL2, &pcie_ctl2);
66 return (pcie_ctl2 & PCI_EXP_DEVCTL2_ATOMIC_REQ);
67 }
68
bnxt_qplib_query_version(struct bnxt_qplib_rcfw * rcfw,char * fw_ver)69 static void bnxt_qplib_query_version(struct bnxt_qplib_rcfw *rcfw,
70 char *fw_ver)
71 {
72 struct creq_query_version_resp resp = {};
73 struct bnxt_qplib_cmdqmsg msg = {};
74 struct cmdq_query_version req = {};
75 int rc;
76
77 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
78 CMDQ_BASE_OPCODE_QUERY_VERSION,
79 sizeof(req));
80
81 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req), sizeof(resp), 0);
82 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
83 if (rc)
84 return;
85 fw_ver[0] = resp.fw_maj;
86 fw_ver[1] = resp.fw_minor;
87 fw_ver[2] = resp.fw_bld;
88 fw_ver[3] = resp.fw_rsvd;
89 }
90
bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw * rcfw,struct bnxt_qplib_dev_attr * attr)91 int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
92 struct bnxt_qplib_dev_attr *attr)
93 {
94 struct creq_query_func_resp resp = {};
95 struct bnxt_qplib_cmdqmsg msg = {};
96 struct creq_query_func_resp_sb *sb;
97 struct bnxt_qplib_rcfw_sbuf sbuf;
98 struct cmdq_query_func req = {};
99 u8 *tqm_alloc;
100 int i, rc;
101 u32 temp;
102
103 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
104 CMDQ_BASE_OPCODE_QUERY_FUNC,
105 sizeof(req));
106
107 sbuf.size = ALIGN(sizeof(*sb), BNXT_QPLIB_CMDQE_UNITS);
108 sbuf.sb = dma_alloc_coherent(&rcfw->pdev->dev, sbuf.size,
109 &sbuf.dma_addr, GFP_KERNEL);
110 if (!sbuf.sb)
111 return -ENOMEM;
112 sb = sbuf.sb;
113 req.resp_size = sbuf.size / BNXT_QPLIB_CMDQE_UNITS;
114 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, &sbuf, sizeof(req),
115 sizeof(resp), 0);
116 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
117 if (rc)
118 goto bail;
119
120 /* Extract the context from the side buffer */
121 attr->max_qp = le32_to_cpu(sb->max_qp);
122 /* max_qp value reported by FW doesn't include the QP1 */
123 attr->max_qp += 1;
124 attr->max_qp_rd_atom =
125 sb->max_qp_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
126 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_rd_atom;
127 attr->max_qp_init_rd_atom =
128 sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
129 BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom;
130 attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr);
131 /*
132 * 128 WQEs needs to be reserved for the HW (8916). Prevent
133 * reporting the max number
134 */
135 attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1;
136 attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx) ?
137 6 : sb->max_sge;
138 attr->max_cq = le32_to_cpu(sb->max_cq);
139 attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);
140 attr->max_cq_sges = attr->max_qp_sges;
141 attr->max_mr = le32_to_cpu(sb->max_mr);
142 attr->max_mw = le32_to_cpu(sb->max_mw);
143
144 attr->max_mr_size = le64_to_cpu(sb->max_mr_size);
145 attr->max_pd = 64 * 1024;
146 attr->max_raw_ethy_qp = le32_to_cpu(sb->max_raw_eth_qp);
147 attr->max_ah = le32_to_cpu(sb->max_ah);
148
149 attr->max_srq = le16_to_cpu(sb->max_srq);
150 attr->max_srq_wqes = le32_to_cpu(sb->max_srq_wr) - 1;
151 attr->max_srq_sges = sb->max_srq_sge;
152 attr->max_pkey = 1;
153 attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
154 attr->l2_db_size = (sb->l2_db_space_size + 1) *
155 (0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
156 attr->max_sgid = BNXT_QPLIB_NUM_GIDS_SUPPORTED;
157 attr->dev_cap_flags = le16_to_cpu(sb->dev_cap_flags);
158
159 bnxt_qplib_query_version(rcfw, attr->fw_ver);
160
161 for (i = 0; i < MAX_TQM_ALLOC_REQ / 4; i++) {
162 temp = le32_to_cpu(sb->tqm_alloc_reqs[i]);
163 tqm_alloc = (u8 *)&temp;
164 attr->tqm_alloc_reqs[i * 4] = *tqm_alloc;
165 attr->tqm_alloc_reqs[i * 4 + 1] = *(++tqm_alloc);
166 attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc);
167 attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc);
168 }
169
170 if (rcfw->res->cctx->hwrm_intf_ver >= HWRM_VERSION_DEV_ATTR_MAX_DPI)
171 attr->max_dpi = le32_to_cpu(sb->max_dpi);
172
173 attr->is_atomic = bnxt_qplib_is_atomic_cap(rcfw);
174 bail:
175 dma_free_coherent(&rcfw->pdev->dev, sbuf.size,
176 sbuf.sb, sbuf.dma_addr);
177 return rc;
178 }
179
bnxt_qplib_set_func_resources(struct bnxt_qplib_res * res,struct bnxt_qplib_rcfw * rcfw,struct bnxt_qplib_ctx * ctx)180 int bnxt_qplib_set_func_resources(struct bnxt_qplib_res *res,
181 struct bnxt_qplib_rcfw *rcfw,
182 struct bnxt_qplib_ctx *ctx)
183 {
184 struct creq_set_func_resources_resp resp = {};
185 struct cmdq_set_func_resources req = {};
186 struct bnxt_qplib_cmdqmsg msg = {};
187 int rc;
188
189 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
190 CMDQ_BASE_OPCODE_SET_FUNC_RESOURCES,
191 sizeof(req));
192
193 req.number_of_qp = cpu_to_le32(ctx->qpc_count);
194 req.number_of_mrw = cpu_to_le32(ctx->mrw_count);
195 req.number_of_srq = cpu_to_le32(ctx->srqc_count);
196 req.number_of_cq = cpu_to_le32(ctx->cq_count);
197
198 req.max_qp_per_vf = cpu_to_le32(ctx->vf_res.max_qp_per_vf);
199 req.max_mrw_per_vf = cpu_to_le32(ctx->vf_res.max_mrw_per_vf);
200 req.max_srq_per_vf = cpu_to_le32(ctx->vf_res.max_srq_per_vf);
201 req.max_cq_per_vf = cpu_to_le32(ctx->vf_res.max_cq_per_vf);
202 req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf);
203
204 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req),
205 sizeof(resp), 0);
206 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
207 if (rc) {
208 dev_err(&res->pdev->dev, "Failed to set function resources\n");
209 }
210 return rc;
211 }
212
213 /* SGID */
bnxt_qplib_get_sgid(struct bnxt_qplib_res * res,struct bnxt_qplib_sgid_tbl * sgid_tbl,int index,struct bnxt_qplib_gid * gid)214 int bnxt_qplib_get_sgid(struct bnxt_qplib_res *res,
215 struct bnxt_qplib_sgid_tbl *sgid_tbl, int index,
216 struct bnxt_qplib_gid *gid)
217 {
218 if (index >= sgid_tbl->max) {
219 dev_err(&res->pdev->dev,
220 "Index %d exceeded SGID table max (%d)\n",
221 index, sgid_tbl->max);
222 return -EINVAL;
223 }
224 memcpy(gid, &sgid_tbl->tbl[index].gid, sizeof(*gid));
225 return 0;
226 }
227
bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl * sgid_tbl,struct bnxt_qplib_gid * gid,u16 vlan_id,bool update)228 int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
229 struct bnxt_qplib_gid *gid, u16 vlan_id, bool update)
230 {
231 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
232 struct bnxt_qplib_res,
233 sgid_tbl);
234 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
235 int index;
236
237 /* Do we need a sgid_lock here? */
238 if (!sgid_tbl->active) {
239 dev_err(&res->pdev->dev, "SGID table has no active entries\n");
240 return -ENOMEM;
241 }
242 for (index = 0; index < sgid_tbl->max; index++) {
243 if (!memcmp(&sgid_tbl->tbl[index].gid, gid, sizeof(*gid)) &&
244 vlan_id == sgid_tbl->tbl[index].vlan_id)
245 break;
246 }
247 if (index == sgid_tbl->max) {
248 dev_warn(&res->pdev->dev, "GID not found in the SGID table\n");
249 return 0;
250 }
251 /* Remove GID from the SGID table */
252 if (update) {
253 struct creq_delete_gid_resp resp = {};
254 struct bnxt_qplib_cmdqmsg msg = {};
255 struct cmdq_delete_gid req = {};
256 int rc;
257
258 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
259 CMDQ_BASE_OPCODE_DELETE_GID,
260 sizeof(req));
261 if (sgid_tbl->hw_id[index] == 0xFFFF) {
262 dev_err(&res->pdev->dev,
263 "GID entry contains an invalid HW id\n");
264 return -EINVAL;
265 }
266 req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]);
267 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req),
268 sizeof(resp), 0);
269 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
270 if (rc)
271 return rc;
272 }
273 memcpy(&sgid_tbl->tbl[index].gid, &bnxt_qplib_gid_zero,
274 sizeof(bnxt_qplib_gid_zero));
275 sgid_tbl->tbl[index].vlan_id = 0xFFFF;
276 sgid_tbl->vlan[index] = 0;
277 sgid_tbl->active--;
278 dev_dbg(&res->pdev->dev,
279 "SGID deleted hw_id[0x%x] = 0x%x active = 0x%x\n",
280 index, sgid_tbl->hw_id[index], sgid_tbl->active);
281 sgid_tbl->hw_id[index] = (u16)-1;
282
283 /* unlock */
284 return 0;
285 }
286
bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl * sgid_tbl,struct bnxt_qplib_gid * gid,const u8 * smac,u16 vlan_id,bool update,u32 * index)287 int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
288 struct bnxt_qplib_gid *gid, const u8 *smac,
289 u16 vlan_id, bool update, u32 *index)
290 {
291 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
292 struct bnxt_qplib_res,
293 sgid_tbl);
294 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
295 int i, free_idx;
296
297 /* Do we need a sgid_lock here? */
298 if (sgid_tbl->active == sgid_tbl->max) {
299 dev_err(&res->pdev->dev, "SGID table is full\n");
300 return -ENOMEM;
301 }
302 free_idx = sgid_tbl->max;
303 for (i = 0; i < sgid_tbl->max; i++) {
304 if (!memcmp(&sgid_tbl->tbl[i], gid, sizeof(*gid)) &&
305 sgid_tbl->tbl[i].vlan_id == vlan_id) {
306 dev_dbg(&res->pdev->dev,
307 "SGID entry already exist in entry %d!\n", i);
308 *index = i;
309 return -EALREADY;
310 } else if (!memcmp(&sgid_tbl->tbl[i], &bnxt_qplib_gid_zero,
311 sizeof(bnxt_qplib_gid_zero)) &&
312 free_idx == sgid_tbl->max) {
313 free_idx = i;
314 }
315 }
316 if (free_idx == sgid_tbl->max) {
317 dev_err(&res->pdev->dev,
318 "SGID table is FULL but count is not MAX??\n");
319 return -ENOMEM;
320 }
321 if (update) {
322 struct creq_add_gid_resp resp = {};
323 struct bnxt_qplib_cmdqmsg msg = {};
324 struct cmdq_add_gid req = {};
325 int rc;
326
327 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
328 CMDQ_BASE_OPCODE_ADD_GID,
329 sizeof(req));
330
331 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
332 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
333 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
334 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
335 /*
336 * driver should ensure that all RoCE traffic is always VLAN
337 * tagged if RoCE traffic is running on non-zero VLAN ID or
338 * RoCE traffic is running on non-zero Priority.
339 */
340 if ((vlan_id != 0xFFFF) || res->prio) {
341 if (vlan_id != 0xFFFF)
342 req.vlan = cpu_to_le16
343 (vlan_id & CMDQ_ADD_GID_VLAN_VLAN_ID_MASK);
344 req.vlan |= cpu_to_le16
345 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
346 CMDQ_ADD_GID_VLAN_VLAN_EN);
347 }
348
349 /* MAC in network format */
350 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
351 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
352 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
353
354 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req),
355 sizeof(resp), 0);
356 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
357 if (rc)
358 return rc;
359 sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid);
360 }
361 /* Add GID to the sgid_tbl */
362 memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid));
363 sgid_tbl->tbl[free_idx].vlan_id = vlan_id;
364 sgid_tbl->active++;
365 if (vlan_id != 0xFFFF)
366 sgid_tbl->vlan[free_idx] = 1;
367
368 dev_dbg(&res->pdev->dev,
369 "SGID added hw_id[0x%x] = 0x%x active = 0x%x\n",
370 free_idx, sgid_tbl->hw_id[free_idx], sgid_tbl->active);
371
372 *index = free_idx;
373 /* unlock */
374 return 0;
375 }
376
bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl * sgid_tbl,struct bnxt_qplib_gid * gid,u16 gid_idx,const u8 * smac)377 int bnxt_qplib_update_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl,
378 struct bnxt_qplib_gid *gid, u16 gid_idx,
379 const u8 *smac)
380 {
381 struct bnxt_qplib_res *res = to_bnxt_qplib(sgid_tbl,
382 struct bnxt_qplib_res,
383 sgid_tbl);
384 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
385 struct creq_modify_gid_resp resp = {};
386 struct bnxt_qplib_cmdqmsg msg = {};
387 struct cmdq_modify_gid req = {};
388 int rc;
389
390 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
391 CMDQ_BASE_OPCODE_MODIFY_GID,
392 sizeof(req));
393
394 req.gid[0] = cpu_to_be32(((u32 *)gid->data)[3]);
395 req.gid[1] = cpu_to_be32(((u32 *)gid->data)[2]);
396 req.gid[2] = cpu_to_be32(((u32 *)gid->data)[1]);
397 req.gid[3] = cpu_to_be32(((u32 *)gid->data)[0]);
398 if (res->prio) {
399 req.vlan |= cpu_to_le16
400 (CMDQ_ADD_GID_VLAN_TPID_TPID_8100 |
401 CMDQ_ADD_GID_VLAN_VLAN_EN);
402 }
403
404 /* MAC in network format */
405 req.src_mac[0] = cpu_to_be16(((u16 *)smac)[0]);
406 req.src_mac[1] = cpu_to_be16(((u16 *)smac)[1]);
407 req.src_mac[2] = cpu_to_be16(((u16 *)smac)[2]);
408
409 req.gid_index = cpu_to_le16(gid_idx);
410
411 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req),
412 sizeof(resp), 0);
413 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
414 return rc;
415 }
416
417 /* AH */
bnxt_qplib_create_ah(struct bnxt_qplib_res * res,struct bnxt_qplib_ah * ah,bool block)418 int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
419 bool block)
420 {
421 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
422 struct creq_create_ah_resp resp = {};
423 struct bnxt_qplib_cmdqmsg msg = {};
424 struct cmdq_create_ah req = {};
425 u32 temp32[4];
426 u16 temp16[3];
427 int rc;
428
429 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
430 CMDQ_BASE_OPCODE_CREATE_AH,
431 sizeof(req));
432
433 memcpy(temp32, ah->dgid.data, sizeof(struct bnxt_qplib_gid));
434 req.dgid[0] = cpu_to_le32(temp32[0]);
435 req.dgid[1] = cpu_to_le32(temp32[1]);
436 req.dgid[2] = cpu_to_le32(temp32[2]);
437 req.dgid[3] = cpu_to_le32(temp32[3]);
438
439 req.type = ah->nw_type;
440 req.hop_limit = ah->hop_limit;
441 req.sgid_index = cpu_to_le16(res->sgid_tbl.hw_id[ah->sgid_index]);
442 req.dest_vlan_id_flow_label = cpu_to_le32((ah->flow_label &
443 CMDQ_CREATE_AH_FLOW_LABEL_MASK) |
444 CMDQ_CREATE_AH_DEST_VLAN_ID_MASK);
445 req.pd_id = cpu_to_le32(ah->pd->id);
446 req.traffic_class = ah->traffic_class;
447
448 /* MAC in network format */
449 memcpy(temp16, ah->dmac, 6);
450 req.dest_mac[0] = cpu_to_le16(temp16[0]);
451 req.dest_mac[1] = cpu_to_le16(temp16[1]);
452 req.dest_mac[2] = cpu_to_le16(temp16[2]);
453
454 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req),
455 sizeof(resp), block);
456 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
457 if (rc)
458 return rc;
459
460 ah->id = le32_to_cpu(resp.xid);
461 return 0;
462 }
463
bnxt_qplib_destroy_ah(struct bnxt_qplib_res * res,struct bnxt_qplib_ah * ah,bool block)464 int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah,
465 bool block)
466 {
467 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
468 struct creq_destroy_ah_resp resp = {};
469 struct bnxt_qplib_cmdqmsg msg = {};
470 struct cmdq_destroy_ah req = {};
471 int rc;
472
473 /* Clean up the AH table in the device */
474 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
475 CMDQ_BASE_OPCODE_DESTROY_AH,
476 sizeof(req));
477
478 req.ah_cid = cpu_to_le32(ah->id);
479
480 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req),
481 sizeof(resp), block);
482 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
483 return rc;
484 }
485
486 /* MRW */
bnxt_qplib_free_mrw(struct bnxt_qplib_res * res,struct bnxt_qplib_mrw * mrw)487 int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
488 {
489 struct creq_deallocate_key_resp resp = {};
490 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
491 struct cmdq_deallocate_key req = {};
492 struct bnxt_qplib_cmdqmsg msg = {};
493 int rc;
494
495 if (mrw->lkey == 0xFFFFFFFF) {
496 dev_info(&res->pdev->dev, "SP: Free a reserved lkey MRW\n");
497 return 0;
498 }
499
500 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
501 CMDQ_BASE_OPCODE_DEALLOCATE_KEY,
502 sizeof(req));
503
504 req.mrw_flags = mrw->type;
505
506 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
507 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
508 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
509 req.key = cpu_to_le32(mrw->rkey);
510 else
511 req.key = cpu_to_le32(mrw->lkey);
512
513 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req),
514 sizeof(resp), 0);
515 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
516 if (rc)
517 return rc;
518
519 /* Free the qplib's MRW memory */
520 if (mrw->hwq.max_elements)
521 bnxt_qplib_free_hwq(res, &mrw->hwq);
522
523 return 0;
524 }
525
bnxt_qplib_alloc_mrw(struct bnxt_qplib_res * res,struct bnxt_qplib_mrw * mrw)526 int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw)
527 {
528 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
529 struct creq_allocate_mrw_resp resp = {};
530 struct bnxt_qplib_cmdqmsg msg = {};
531 struct cmdq_allocate_mrw req = {};
532 unsigned long tmp;
533 int rc;
534
535 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
536 CMDQ_BASE_OPCODE_ALLOCATE_MRW,
537 sizeof(req));
538
539 req.pd_id = cpu_to_le32(mrw->pd->id);
540 req.mrw_flags = mrw->type;
541 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR &&
542 mrw->flags & BNXT_QPLIB_FR_PMR) ||
543 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A ||
544 mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)
545 req.access = CMDQ_ALLOCATE_MRW_ACCESS_CONSUMER_OWNED_KEY;
546 tmp = (unsigned long)mrw;
547 req.mrw_handle = cpu_to_le64(tmp);
548
549 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req),
550 sizeof(resp), 0);
551 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
552 if (rc)
553 return rc;
554
555 if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) ||
556 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) ||
557 (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B))
558 mrw->rkey = le32_to_cpu(resp.xid);
559 else
560 mrw->lkey = le32_to_cpu(resp.xid);
561 return 0;
562 }
563
bnxt_qplib_dereg_mrw(struct bnxt_qplib_res * res,struct bnxt_qplib_mrw * mrw,bool block)564 int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw,
565 bool block)
566 {
567 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
568 struct creq_deregister_mr_resp resp = {};
569 struct bnxt_qplib_cmdqmsg msg = {};
570 struct cmdq_deregister_mr req = {};
571 int rc;
572
573 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
574 CMDQ_BASE_OPCODE_DEREGISTER_MR,
575 sizeof(req));
576
577 req.lkey = cpu_to_le32(mrw->lkey);
578 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req),
579 sizeof(resp), block);
580 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
581 if (rc)
582 return rc;
583
584 /* Free the qplib's MR memory */
585 if (mrw->hwq.max_elements) {
586 mrw->va = 0;
587 mrw->total_size = 0;
588 bnxt_qplib_free_hwq(res, &mrw->hwq);
589 }
590
591 return 0;
592 }
593
bnxt_qplib_reg_mr(struct bnxt_qplib_res * res,struct bnxt_qplib_mrw * mr,struct ib_umem * umem,int num_pbls,u32 buf_pg_size)594 int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr,
595 struct ib_umem *umem, int num_pbls, u32 buf_pg_size)
596 {
597 struct bnxt_qplib_rcfw *rcfw = res->rcfw;
598 struct bnxt_qplib_hwq_attr hwq_attr = {};
599 struct bnxt_qplib_sg_info sginfo = {};
600 struct creq_register_mr_resp resp = {};
601 struct bnxt_qplib_cmdqmsg msg = {};
602 struct cmdq_register_mr req = {};
603 int pages, rc;
604 u32 pg_size;
605 u16 level;
606
607 if (num_pbls) {
608 pages = roundup_pow_of_two(num_pbls);
609 /* Allocate memory for the non-leaf pages to store buf ptrs.
610 * Non-leaf pages always uses system PAGE_SIZE
611 */
612 /* Free the hwq if it already exist, must be a rereg */
613 if (mr->hwq.max_elements)
614 bnxt_qplib_free_hwq(res, &mr->hwq);
615 hwq_attr.res = res;
616 hwq_attr.depth = pages;
617 hwq_attr.stride = sizeof(dma_addr_t);
618 hwq_attr.type = HWQ_TYPE_MR;
619 hwq_attr.sginfo = &sginfo;
620 hwq_attr.sginfo->umem = umem;
621 hwq_attr.sginfo->npages = pages;
622 hwq_attr.sginfo->pgsize = buf_pg_size;
623 hwq_attr.sginfo->pgshft = ilog2(buf_pg_size);
624 rc = bnxt_qplib_alloc_init_hwq(&mr->hwq, &hwq_attr);
625 if (rc) {
626 dev_err(&res->pdev->dev,
627 "SP: Reg MR memory allocation failed\n");
628 return -ENOMEM;
629 }
630 }
631
632 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
633 CMDQ_BASE_OPCODE_REGISTER_MR,
634 sizeof(req));
635
636 /* Configure the request */
637 if (mr->hwq.level == PBL_LVL_MAX) {
638 /* No PBL provided, just use system PAGE_SIZE */
639 level = 0;
640 req.pbl = 0;
641 pg_size = PAGE_SIZE;
642 } else {
643 level = mr->hwq.level;
644 req.pbl = cpu_to_le64(mr->hwq.pbl[PBL_LVL_0].pg_map_arr[0]);
645 }
646 pg_size = buf_pg_size ? buf_pg_size : PAGE_SIZE;
647 req.log2_pg_size_lvl = (level << CMDQ_REGISTER_MR_LVL_SFT) |
648 ((ilog2(pg_size) <<
649 CMDQ_REGISTER_MR_LOG2_PG_SIZE_SFT) &
650 CMDQ_REGISTER_MR_LOG2_PG_SIZE_MASK);
651 req.log2_pbl_pg_size = cpu_to_le16(((ilog2(PAGE_SIZE) <<
652 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_SFT) &
653 CMDQ_REGISTER_MR_LOG2_PBL_PG_SIZE_MASK));
654 req.access = (mr->flags & 0xFFFF);
655 req.va = cpu_to_le64(mr->va);
656 req.key = cpu_to_le32(mr->lkey);
657 req.mr_size = cpu_to_le64(mr->total_size);
658
659 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req),
660 sizeof(resp), 0);
661 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
662 if (rc)
663 goto fail;
664
665 return 0;
666
667 fail:
668 if (mr->hwq.max_elements)
669 bnxt_qplib_free_hwq(res, &mr->hwq);
670 return rc;
671 }
672
bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res * res,struct bnxt_qplib_frpl * frpl,int max_pg_ptrs)673 int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
674 struct bnxt_qplib_frpl *frpl,
675 int max_pg_ptrs)
676 {
677 struct bnxt_qplib_hwq_attr hwq_attr = {};
678 struct bnxt_qplib_sg_info sginfo = {};
679 int pg_ptrs, pages, rc;
680
681 /* Re-calculate the max to fit the HWQ allocation model */
682 pg_ptrs = roundup_pow_of_two(max_pg_ptrs);
683 pages = pg_ptrs >> MAX_PBL_LVL_1_PGS_SHIFT;
684 if (!pages)
685 pages++;
686
687 if (pages > MAX_PBL_LVL_1_PGS)
688 return -ENOMEM;
689
690 sginfo.pgsize = PAGE_SIZE;
691 sginfo.nopte = true;
692
693 hwq_attr.res = res;
694 hwq_attr.depth = pg_ptrs;
695 hwq_attr.stride = PAGE_SIZE;
696 hwq_attr.sginfo = &sginfo;
697 hwq_attr.type = HWQ_TYPE_CTX;
698 rc = bnxt_qplib_alloc_init_hwq(&frpl->hwq, &hwq_attr);
699 if (!rc)
700 frpl->max_pg_ptrs = pg_ptrs;
701
702 return rc;
703 }
704
bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res * res,struct bnxt_qplib_frpl * frpl)705 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
706 struct bnxt_qplib_frpl *frpl)
707 {
708 bnxt_qplib_free_hwq(res, &frpl->hwq);
709 return 0;
710 }
711
bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw * rcfw,struct bnxt_qplib_roce_stats * stats)712 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
713 struct bnxt_qplib_roce_stats *stats)
714 {
715 struct creq_query_roce_stats_resp resp = {};
716 struct creq_query_roce_stats_resp_sb *sb;
717 struct cmdq_query_roce_stats req = {};
718 struct bnxt_qplib_cmdqmsg msg = {};
719 struct bnxt_qplib_rcfw_sbuf sbuf;
720 int rc;
721
722 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
723 CMDQ_BASE_OPCODE_QUERY_ROCE_STATS,
724 sizeof(req));
725
726 sbuf.size = ALIGN(sizeof(*sb), BNXT_QPLIB_CMDQE_UNITS);
727 sbuf.sb = dma_alloc_coherent(&rcfw->pdev->dev, sbuf.size,
728 &sbuf.dma_addr, GFP_KERNEL);
729 if (!sbuf.sb)
730 return -ENOMEM;
731 sb = sbuf.sb;
732
733 req.resp_size = sbuf.size / BNXT_QPLIB_CMDQE_UNITS;
734 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, &sbuf, sizeof(req),
735 sizeof(resp), 0);
736 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
737 if (rc)
738 goto bail;
739 /* Extract the context from the side buffer */
740 stats->to_retransmits = le64_to_cpu(sb->to_retransmits);
741 stats->seq_err_naks_rcvd = le64_to_cpu(sb->seq_err_naks_rcvd);
742 stats->max_retry_exceeded = le64_to_cpu(sb->max_retry_exceeded);
743 stats->rnr_naks_rcvd = le64_to_cpu(sb->rnr_naks_rcvd);
744 stats->missing_resp = le64_to_cpu(sb->missing_resp);
745 stats->unrecoverable_err = le64_to_cpu(sb->unrecoverable_err);
746 stats->bad_resp_err = le64_to_cpu(sb->bad_resp_err);
747 stats->local_qp_op_err = le64_to_cpu(sb->local_qp_op_err);
748 stats->local_protection_err = le64_to_cpu(sb->local_protection_err);
749 stats->mem_mgmt_op_err = le64_to_cpu(sb->mem_mgmt_op_err);
750 stats->remote_invalid_req_err = le64_to_cpu(sb->remote_invalid_req_err);
751 stats->remote_access_err = le64_to_cpu(sb->remote_access_err);
752 stats->remote_op_err = le64_to_cpu(sb->remote_op_err);
753 stats->dup_req = le64_to_cpu(sb->dup_req);
754 stats->res_exceed_max = le64_to_cpu(sb->res_exceed_max);
755 stats->res_length_mismatch = le64_to_cpu(sb->res_length_mismatch);
756 stats->res_exceeds_wqe = le64_to_cpu(sb->res_exceeds_wqe);
757 stats->res_opcode_err = le64_to_cpu(sb->res_opcode_err);
758 stats->res_rx_invalid_rkey = le64_to_cpu(sb->res_rx_invalid_rkey);
759 stats->res_rx_domain_err = le64_to_cpu(sb->res_rx_domain_err);
760 stats->res_rx_no_perm = le64_to_cpu(sb->res_rx_no_perm);
761 stats->res_rx_range_err = le64_to_cpu(sb->res_rx_range_err);
762 stats->res_tx_invalid_rkey = le64_to_cpu(sb->res_tx_invalid_rkey);
763 stats->res_tx_domain_err = le64_to_cpu(sb->res_tx_domain_err);
764 stats->res_tx_no_perm = le64_to_cpu(sb->res_tx_no_perm);
765 stats->res_tx_range_err = le64_to_cpu(sb->res_tx_range_err);
766 stats->res_irrq_oflow = le64_to_cpu(sb->res_irrq_oflow);
767 stats->res_unsup_opcode = le64_to_cpu(sb->res_unsup_opcode);
768 stats->res_unaligned_atomic = le64_to_cpu(sb->res_unaligned_atomic);
769 stats->res_rem_inv_err = le64_to_cpu(sb->res_rem_inv_err);
770 stats->res_mem_error = le64_to_cpu(sb->res_mem_error);
771 stats->res_srq_err = le64_to_cpu(sb->res_srq_err);
772 stats->res_cmp_err = le64_to_cpu(sb->res_cmp_err);
773 stats->res_invalid_dup_rkey = le64_to_cpu(sb->res_invalid_dup_rkey);
774 stats->res_wqe_format_err = le64_to_cpu(sb->res_wqe_format_err);
775 stats->res_cq_load_err = le64_to_cpu(sb->res_cq_load_err);
776 stats->res_srq_load_err = le64_to_cpu(sb->res_srq_load_err);
777 stats->res_tx_pci_err = le64_to_cpu(sb->res_tx_pci_err);
778 stats->res_rx_pci_err = le64_to_cpu(sb->res_rx_pci_err);
779 if (!rcfw->init_oos_stats) {
780 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count);
781 rcfw->init_oos_stats = 1;
782 } else {
783 stats->res_oos_drop_count +=
784 (le64_to_cpu(sb->res_oos_drop_count) -
785 rcfw->oos_prev) & BNXT_QPLIB_OOS_COUNT_MASK;
786 rcfw->oos_prev = le64_to_cpu(sb->res_oos_drop_count);
787 }
788
789 bail:
790 dma_free_coherent(&rcfw->pdev->dev, sbuf.size,
791 sbuf.sb, sbuf.dma_addr);
792 return rc;
793 }
794
bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw * rcfw,u32 fid,struct bnxt_qplib_ext_stat * estat)795 int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,
796 struct bnxt_qplib_ext_stat *estat)
797 {
798 struct creq_query_roce_stats_ext_resp resp = {};
799 struct creq_query_roce_stats_ext_resp_sb *sb;
800 struct cmdq_query_roce_stats_ext req = {};
801 struct bnxt_qplib_cmdqmsg msg = {};
802 struct bnxt_qplib_rcfw_sbuf sbuf;
803 int rc;
804
805 sbuf.size = ALIGN(sizeof(*sb), BNXT_QPLIB_CMDQE_UNITS);
806 sbuf.sb = dma_alloc_coherent(&rcfw->pdev->dev, sbuf.size,
807 &sbuf.dma_addr, GFP_KERNEL);
808 if (!sbuf.sb)
809 return -ENOMEM;
810
811 sb = sbuf.sb;
812 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
813 CMDQ_QUERY_ROCE_STATS_EXT_OPCODE_QUERY_ROCE_STATS,
814 sizeof(req));
815
816 req.resp_size = sbuf.size / BNXT_QPLIB_CMDQE_UNITS;
817 req.resp_addr = cpu_to_le64(sbuf.dma_addr);
818 req.function_id = cpu_to_le32(fid);
819 req.flags = cpu_to_le16(CMDQ_QUERY_ROCE_STATS_EXT_FLAGS_FUNCTION_ID);
820
821 bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, &sbuf, sizeof(req),
822 sizeof(resp), 0);
823 rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
824 if (rc)
825 goto bail;
826
827 estat->tx_atomic_req = le64_to_cpu(sb->tx_atomic_req_pkts);
828 estat->tx_read_req = le64_to_cpu(sb->tx_read_req_pkts);
829 estat->tx_read_res = le64_to_cpu(sb->tx_read_res_pkts);
830 estat->tx_write_req = le64_to_cpu(sb->tx_write_req_pkts);
831 estat->tx_send_req = le64_to_cpu(sb->tx_send_req_pkts);
832 estat->tx_roce_pkts = le64_to_cpu(sb->tx_roce_pkts);
833 estat->tx_roce_bytes = le64_to_cpu(sb->tx_roce_bytes);
834 estat->rx_atomic_req = le64_to_cpu(sb->rx_atomic_req_pkts);
835 estat->rx_read_req = le64_to_cpu(sb->rx_read_req_pkts);
836 estat->rx_read_res = le64_to_cpu(sb->rx_read_res_pkts);
837 estat->rx_write_req = le64_to_cpu(sb->rx_write_req_pkts);
838 estat->rx_send_req = le64_to_cpu(sb->rx_send_req_pkts);
839 estat->rx_roce_pkts = le64_to_cpu(sb->rx_roce_pkts);
840 estat->rx_roce_bytes = le64_to_cpu(sb->rx_roce_bytes);
841 estat->rx_roce_good_pkts = le64_to_cpu(sb->rx_roce_good_pkts);
842 estat->rx_roce_good_bytes = le64_to_cpu(sb->rx_roce_good_bytes);
843 estat->rx_out_of_buffer = le64_to_cpu(sb->rx_out_of_buffer_pkts);
844 estat->rx_out_of_sequence = le64_to_cpu(sb->rx_out_of_sequence_pkts);
845 estat->tx_cnp = le64_to_cpu(sb->tx_cnp_pkts);
846 estat->rx_cnp = le64_to_cpu(sb->rx_cnp_pkts);
847 estat->rx_ecn_marked = le64_to_cpu(sb->rx_ecn_marked_pkts);
848
849 bail:
850 dma_free_coherent(&rcfw->pdev->dev, sbuf.size,
851 sbuf.sb, sbuf.dma_addr);
852 return rc;
853 }
854
bnxt_qplib_fill_cc_gen1(struct cmdq_modify_roce_cc_gen1_tlv * ext_req,struct bnxt_qplib_cc_param_ext * cc_ext)855 static void bnxt_qplib_fill_cc_gen1(struct cmdq_modify_roce_cc_gen1_tlv *ext_req,
856 struct bnxt_qplib_cc_param_ext *cc_ext)
857 {
858 ext_req->modify_mask = cpu_to_le64(cc_ext->ext_mask);
859 cc_ext->ext_mask = 0;
860 ext_req->inactivity_th_hi = cpu_to_le16(cc_ext->inact_th_hi);
861 ext_req->min_time_between_cnps = cpu_to_le16(cc_ext->min_delta_cnp);
862 ext_req->init_cp = cpu_to_le16(cc_ext->init_cp);
863 ext_req->tr_update_mode = cc_ext->tr_update_mode;
864 ext_req->tr_update_cycles = cc_ext->tr_update_cyls;
865 ext_req->fr_num_rtts = cc_ext->fr_rtt;
866 ext_req->ai_rate_increase = cc_ext->ai_rate_incr;
867 ext_req->reduction_relax_rtts_th = cpu_to_le16(cc_ext->rr_rtt_th);
868 ext_req->additional_relax_cr_th = cpu_to_le16(cc_ext->ar_cr_th);
869 ext_req->cr_min_th = cpu_to_le16(cc_ext->cr_min_th);
870 ext_req->bw_avg_weight = cc_ext->bw_avg_weight;
871 ext_req->actual_cr_factor = cc_ext->cr_factor;
872 ext_req->max_cp_cr_th = cpu_to_le16(cc_ext->cr_th_max_cp);
873 ext_req->cp_bias_en = cc_ext->cp_bias_en;
874 ext_req->cp_bias = cc_ext->cp_bias;
875 ext_req->cnp_ecn = cc_ext->cnp_ecn;
876 ext_req->rtt_jitter_en = cc_ext->rtt_jitter_en;
877 ext_req->link_bytes_per_usec = cpu_to_le16(cc_ext->bytes_per_usec);
878 ext_req->reset_cc_cr_th = cpu_to_le16(cc_ext->cc_cr_reset_th);
879 ext_req->cr_width = cc_ext->cr_width;
880 ext_req->quota_period_min = cc_ext->min_quota;
881 ext_req->quota_period_max = cc_ext->max_quota;
882 ext_req->quota_period_abs_max = cc_ext->abs_max_quota;
883 ext_req->tr_lower_bound = cpu_to_le16(cc_ext->tr_lb);
884 ext_req->cr_prob_factor = cc_ext->cr_prob_fac;
885 ext_req->tr_prob_factor = cc_ext->tr_prob_fac;
886 ext_req->fairness_cr_th = cpu_to_le16(cc_ext->fair_cr_th);
887 ext_req->red_div = cc_ext->red_div;
888 ext_req->cnp_ratio_th = cc_ext->cnp_ratio_th;
889 ext_req->exp_ai_rtts = cpu_to_le16(cc_ext->ai_ext_rtt);
890 ext_req->exp_ai_cr_cp_ratio = cc_ext->exp_crcp_ratio;
891 ext_req->use_rate_table = cc_ext->low_rate_en;
892 ext_req->cp_exp_update_th = cpu_to_le16(cc_ext->cpcr_update_th);
893 ext_req->high_exp_ai_rtts_th1 = cpu_to_le16(cc_ext->ai_rtt_th1);
894 ext_req->high_exp_ai_rtts_th2 = cpu_to_le16(cc_ext->ai_rtt_th2);
895 ext_req->actual_cr_cong_free_rtts_th = cpu_to_le16(cc_ext->cf_rtt_th);
896 ext_req->severe_cong_cr_th1 = cpu_to_le16(cc_ext->sc_cr_th1);
897 ext_req->severe_cong_cr_th2 = cpu_to_le16(cc_ext->sc_cr_th2);
898 ext_req->link64B_per_rtt = cpu_to_le32(cc_ext->l64B_per_rtt);
899 ext_req->cc_ack_bytes = cc_ext->cc_ack_bytes;
900 }
901
bnxt_qplib_modify_cc(struct bnxt_qplib_res * res,struct bnxt_qplib_cc_param * cc_param)902 int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
903 struct bnxt_qplib_cc_param *cc_param)
904 {
905 struct bnxt_qplib_tlv_modify_cc_req tlv_req = {};
906 struct creq_modify_roce_cc_resp resp = {};
907 struct bnxt_qplib_cmdqmsg msg = {};
908 struct cmdq_modify_roce_cc *req;
909 int req_size;
910 void *cmd;
911 int rc;
912
913 /* Prepare the older base command */
914 req = &tlv_req.base_req;
915 cmd = req;
916 req_size = sizeof(*req);
917 bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)req, CMDQ_BASE_OPCODE_MODIFY_ROCE_CC,
918 sizeof(*req));
919 req->modify_mask = cpu_to_le32(cc_param->mask);
920 req->enable_cc = cc_param->enable;
921 req->g = cc_param->g;
922 req->num_phases_per_state = cc_param->nph_per_state;
923 req->time_per_phase = cc_param->time_pph;
924 req->pkts_per_phase = cc_param->pkts_pph;
925 req->init_cr = cpu_to_le16(cc_param->init_cr);
926 req->init_tr = cpu_to_le16(cc_param->init_tr);
927 req->tos_dscp_tos_ecn = (cc_param->tos_dscp << CMDQ_MODIFY_ROCE_CC_TOS_DSCP_SFT) |
928 (cc_param->tos_ecn & CMDQ_MODIFY_ROCE_CC_TOS_ECN_MASK);
929 req->alt_vlan_pcp = cc_param->alt_vlan_pcp;
930 req->alt_tos_dscp = cpu_to_le16(cc_param->alt_tos_dscp);
931 req->rtt = cpu_to_le16(cc_param->rtt);
932 req->tcp_cp = cpu_to_le16(cc_param->tcp_cp);
933 req->cc_mode = cc_param->cc_mode;
934 req->inactivity_th = cpu_to_le16(cc_param->inact_th);
935
936 /* For chip gen P5 onwards fill extended cmd and header */
937 if (bnxt_qplib_is_chip_gen_p5(res->cctx)) {
938 struct roce_tlv *hdr;
939 u32 payload;
940 u32 chunks;
941
942 cmd = &tlv_req;
943 req_size = sizeof(tlv_req);
944 /* Prepare primary tlv header */
945 hdr = &tlv_req.tlv_hdr;
946 chunks = CHUNKS(sizeof(struct bnxt_qplib_tlv_modify_cc_req));
947 payload = sizeof(struct cmdq_modify_roce_cc);
948 __roce_1st_tlv_prep(hdr, chunks, payload, true);
949 /* Prepare secondary tlv header */
950 hdr = (struct roce_tlv *)&tlv_req.ext_req;
951 payload = sizeof(struct cmdq_modify_roce_cc_gen1_tlv) -
952 sizeof(struct roce_tlv);
953 __roce_ext_tlv_prep(hdr, TLV_TYPE_MODIFY_ROCE_CC_GEN1, payload, false, true);
954 bnxt_qplib_fill_cc_gen1(&tlv_req.ext_req, &cc_param->cc_ext);
955 }
956
957 bnxt_qplib_fill_cmdqmsg(&msg, cmd, &resp, NULL, req_size,
958 sizeof(resp), 0);
959 rc = bnxt_qplib_rcfw_send_message(res->rcfw, &msg);
960 return rc;
961 }
962