1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /* Copyright (c) 2021, Intel Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the Intel Corporation nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 /*$FreeBSD$*/
32
33 #include "ice_switch.h"
34 #include "ice_flex_type.h"
35 #include "ice_flow.h"
36
37 #define ICE_ETH_DA_OFFSET 0
38 #define ICE_ETH_ETHTYPE_OFFSET 12
39 #define ICE_ETH_VLAN_TCI_OFFSET 14
40 #define ICE_MAX_VLAN_ID 0xFFF
41 #define ICE_IPV6_ETHER_ID 0x86DD
42 #define ICE_ETH_P_8021Q 0x8100
43
44 /* Dummy ethernet header needed in the ice_aqc_sw_rules_elem
45 * struct to configure any switch filter rules.
46 * {DA (6 bytes), SA(6 bytes),
47 * Ether type (2 bytes for header without VLAN tag) OR
48 * VLAN tag (4 bytes for header with VLAN tag) }
49 *
50 * Word on Hardcoded values
51 * byte 0 = 0x2: to identify it as locally administered DA MAC
52 * byte 6 = 0x2: to identify it as locally administered SA MAC
53 * byte 12 = 0x81 & byte 13 = 0x00:
54 * In case of VLAN filter first two bytes defines ether type (0x8100)
55 * and remaining two bytes are placeholder for programming a given VLAN ID
56 * In case of Ether type filter it is treated as header without VLAN tag
57 * and byte 12 and 13 is used to program a given Ether type instead
58 */
59 static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0,
60 0x2, 0, 0, 0, 0, 0,
61 0x81, 0, 0, 0};
62
63 /**
64 * ice_init_def_sw_recp - initialize the recipe book keeping tables
65 * @hw: pointer to the HW struct
66 * @recp_list: pointer to sw recipe list
67 *
68 * Allocate memory for the entire recipe table and initialize the structures/
69 * entries corresponding to basic recipes.
70 */
71 enum ice_status
72 ice_init_def_sw_recp(struct ice_hw *hw, struct ice_sw_recipe **recp_list)
73 {
74 struct ice_sw_recipe *recps;
75 u8 i;
76
77 recps = (struct ice_sw_recipe *)
78 ice_calloc(hw, ICE_MAX_NUM_RECIPES, sizeof(*recps));
79 if (!recps)
80 return ICE_ERR_NO_MEMORY;
81
82 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
83 recps[i].root_rid = i;
84 INIT_LIST_HEAD(&recps[i].filt_rules);
85 INIT_LIST_HEAD(&recps[i].filt_replay_rules);
86 INIT_LIST_HEAD(&recps[i].rg_list);
87 ice_init_lock(&recps[i].filt_rule_lock);
88 }
89
90 *recp_list = recps;
91
92 return ICE_SUCCESS;
93 }
94
95 /**
96 * ice_aq_get_sw_cfg - get switch configuration
97 * @hw: pointer to the hardware structure
98 * @buf: pointer to the result buffer
99 * @buf_size: length of the buffer available for response
100 * @req_desc: pointer to requested descriptor
101 * @num_elems: pointer to number of elements
102 * @cd: pointer to command details structure or NULL
103 *
104 * Get switch configuration (0x0200) to be placed in buf.
105 * This admin command returns information such as initial VSI/port number
106 * and switch ID it belongs to.
107 *
108 * NOTE: *req_desc is both an input/output parameter.
109 * The caller of this function first calls this function with *request_desc set
110 * to 0. If the response from f/w has *req_desc set to 0, all the switch
111 * configuration information has been returned; if non-zero (meaning not all
112 * the information was returned), the caller should call this function again
113 * with *req_desc set to the previous value returned by f/w to get the
114 * next block of switch configuration information.
115 *
116 * *num_elems is output only parameter. This reflects the number of elements
117 * in response buffer. The caller of this function to use *num_elems while
118 * parsing the response buffer.
119 */
120 static enum ice_status
121 ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp_elem *buf,
122 u16 buf_size, u16 *req_desc, u16 *num_elems,
123 struct ice_sq_cd *cd)
124 {
125 struct ice_aqc_get_sw_cfg *cmd;
126 struct ice_aq_desc desc;
127 enum ice_status status;
128
129 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg);
130 cmd = &desc.params.get_sw_conf;
131 cmd->element = CPU_TO_LE16(*req_desc);
132
133 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
134 if (!status) {
135 *req_desc = LE16_TO_CPU(cmd->element);
136 *num_elems = LE16_TO_CPU(cmd->num_elems);
137 }
138
139 return status;
140 }
141
142 /**
143 * ice_alloc_rss_global_lut - allocate a RSS global LUT
144 * @hw: pointer to the HW struct
145 * @shared_res: true to allocate as a shared resource and false to allocate as a dedicated resource
146 * @global_lut_id: output parameter for the RSS global LUT's ID
147 */
148 enum ice_status ice_alloc_rss_global_lut(struct ice_hw *hw, bool shared_res, u16 *global_lut_id)
149 {
150 struct ice_aqc_alloc_free_res_elem *sw_buf;
151 enum ice_status status;
152 u16 buf_len;
153
154 buf_len = ice_struct_size(sw_buf, elem, 1);
155 sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
156 if (!sw_buf)
157 return ICE_ERR_NO_MEMORY;
158
159 sw_buf->num_elems = CPU_TO_LE16(1);
160 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_GLOBAL_RSS_HASH |
161 (shared_res ? ICE_AQC_RES_TYPE_FLAG_SHARED :
162 ICE_AQC_RES_TYPE_FLAG_DEDICATED));
163
164 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, ice_aqc_opc_alloc_res, NULL);
165 if (status) {
166 ice_debug(hw, ICE_DBG_RES, "Failed to allocate %s RSS global LUT, status %d\n",
167 shared_res ? "shared" : "dedicated", status);
168 goto ice_alloc_global_lut_exit;
169 }
170
171 *global_lut_id = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);
172
173 ice_alloc_global_lut_exit:
174 ice_free(hw, sw_buf);
175 return status;
176 }
177
178 /**
179 * ice_free_rss_global_lut - free a RSS global LUT
180 * @hw: pointer to the HW struct
181 * @global_lut_id: ID of the RSS global LUT to free
182 */
183 enum ice_status ice_free_rss_global_lut(struct ice_hw *hw, u16 global_lut_id)
184 {
185 struct ice_aqc_alloc_free_res_elem *sw_buf;
186 u16 buf_len, num_elems = 1;
187 enum ice_status status;
188
189 buf_len = ice_struct_size(sw_buf, elem, num_elems);
190 sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
191 if (!sw_buf)
192 return ICE_ERR_NO_MEMORY;
193
194 sw_buf->num_elems = CPU_TO_LE16(num_elems);
195 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_GLOBAL_RSS_HASH);
196 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(global_lut_id);
197
198 status = ice_aq_alloc_free_res(hw, num_elems, sw_buf, buf_len, ice_aqc_opc_free_res, NULL);
199 if (status)
200 ice_debug(hw, ICE_DBG_RES, "Failed to free RSS global LUT %d, status %d\n",
201 global_lut_id, status);
202
203 ice_free(hw, sw_buf);
204 return status;
205 }
206
207 /**
208 * ice_alloc_sw - allocate resources specific to switch
209 * @hw: pointer to the HW struct
210 * @ena_stats: true to turn on VEB stats
211 * @shared_res: true for shared resource, false for dedicated resource
212 * @sw_id: switch ID returned
213 * @counter_id: VEB counter ID returned
214 *
215 * allocates switch resources (SWID and VEB counter) (0x0208)
216 */
217 enum ice_status
218 ice_alloc_sw(struct ice_hw *hw, bool ena_stats, bool shared_res, u16 *sw_id,
219 u16 *counter_id)
220 {
221 struct ice_aqc_alloc_free_res_elem *sw_buf;
222 struct ice_aqc_res_elem *sw_ele;
223 enum ice_status status;
224 u16 buf_len;
225
226 buf_len = ice_struct_size(sw_buf, elem, 1);
227 sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
228 if (!sw_buf)
229 return ICE_ERR_NO_MEMORY;
230
231 /* Prepare buffer for switch ID.
232 * The number of resource entries in buffer is passed as 1 since only a
233 * single switch/VEB instance is allocated, and hence a single sw_id
234 * is requested.
235 */
236 sw_buf->num_elems = CPU_TO_LE16(1);
237 sw_buf->res_type =
238 CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID |
239 (shared_res ? ICE_AQC_RES_TYPE_FLAG_SHARED :
240 ICE_AQC_RES_TYPE_FLAG_DEDICATED));
241
242 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
243 ice_aqc_opc_alloc_res, NULL);
244
245 if (status)
246 goto ice_alloc_sw_exit;
247
248 sw_ele = &sw_buf->elem[0];
249 *sw_id = LE16_TO_CPU(sw_ele->e.sw_resp);
250
251 if (ena_stats) {
252 /* Prepare buffer for VEB Counter */
253 enum ice_adminq_opc opc = ice_aqc_opc_alloc_res;
254 struct ice_aqc_alloc_free_res_elem *counter_buf;
255 struct ice_aqc_res_elem *counter_ele;
256
257 counter_buf = (struct ice_aqc_alloc_free_res_elem *)
258 ice_malloc(hw, buf_len);
259 if (!counter_buf) {
260 status = ICE_ERR_NO_MEMORY;
261 goto ice_alloc_sw_exit;
262 }
263
264 /* The number of resource entries in buffer is passed as 1 since
265 * only a single switch/VEB instance is allocated, and hence a
266 * single VEB counter is requested.
267 */
268 counter_buf->num_elems = CPU_TO_LE16(1);
269 counter_buf->res_type =
270 CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER |
271 ICE_AQC_RES_TYPE_FLAG_DEDICATED);
272 status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len,
273 opc, NULL);
274
275 if (status) {
276 ice_free(hw, counter_buf);
277 goto ice_alloc_sw_exit;
278 }
279 counter_ele = &counter_buf->elem[0];
280 *counter_id = LE16_TO_CPU(counter_ele->e.sw_resp);
281 ice_free(hw, counter_buf);
282 }
283
284 ice_alloc_sw_exit:
285 ice_free(hw, sw_buf);
286 return status;
287 }
288
289 /**
290 * ice_free_sw - free resources specific to switch
291 * @hw: pointer to the HW struct
292 * @sw_id: switch ID returned
293 * @counter_id: VEB counter ID returned
294 *
295 * free switch resources (SWID and VEB counter) (0x0209)
296 *
297 * NOTE: This function frees multiple resources. It continues
298 * releasing other resources even after it encounters error.
299 * The error code returned is the last error it encountered.
300 */
301 enum ice_status ice_free_sw(struct ice_hw *hw, u16 sw_id, u16 counter_id)
302 {
303 struct ice_aqc_alloc_free_res_elem *sw_buf, *counter_buf;
304 enum ice_status status, ret_status;
305 u16 buf_len;
306
307 buf_len = ice_struct_size(sw_buf, elem, 1);
308 sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
309 if (!sw_buf)
310 return ICE_ERR_NO_MEMORY;
311
312 /* Prepare buffer to free for switch ID res.
313 * The number of resource entries in buffer is passed as 1 since only a
314 * single switch/VEB instance is freed, and hence a single sw_id
315 * is released.
316 */
317 sw_buf->num_elems = CPU_TO_LE16(1);
318 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID);
319 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(sw_id);
320
321 ret_status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
322 ice_aqc_opc_free_res, NULL);
323
324 if (ret_status)
325 ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
326
327 /* Prepare buffer to free for VEB Counter resource */
328 counter_buf = (struct ice_aqc_alloc_free_res_elem *)
329 ice_malloc(hw, buf_len);
330 if (!counter_buf) {
331 ice_free(hw, sw_buf);
332 return ICE_ERR_NO_MEMORY;
333 }
334
335 /* The number of resource entries in buffer is passed as 1 since only a
336 * single switch/VEB instance is freed, and hence a single VEB counter
337 * is released
338 */
339 counter_buf->num_elems = CPU_TO_LE16(1);
340 counter_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER);
341 counter_buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);
342
343 status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len,
344 ice_aqc_opc_free_res, NULL);
345 if (status) {
346 ice_debug(hw, ICE_DBG_SW, "VEB counter resource could not be freed\n");
347 ret_status = status;
348 }
349
350 ice_free(hw, counter_buf);
351 ice_free(hw, sw_buf);
352 return ret_status;
353 }
354
355 /**
356 * ice_aq_add_vsi
357 * @hw: pointer to the HW struct
358 * @vsi_ctx: pointer to a VSI context struct
359 * @cd: pointer to command details structure or NULL
360 *
361 * Add a VSI context to the hardware (0x0210)
362 */
363 enum ice_status
364 ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
365 struct ice_sq_cd *cd)
366 {
367 struct ice_aqc_add_update_free_vsi_resp *res;
368 struct ice_aqc_add_get_update_free_vsi *cmd;
369 struct ice_aq_desc desc;
370 enum ice_status status;
371
372 cmd = &desc.params.vsi_cmd;
373 res = &desc.params.add_update_free_vsi_res;
374
375 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi);
376
377 if (!vsi_ctx->alloc_from_pool)
378 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num |
379 ICE_AQ_VSI_IS_VALID);
380 cmd->vf_id = vsi_ctx->vf_num;
381
382 cmd->vsi_flags = CPU_TO_LE16(vsi_ctx->flags);
383
384 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
385
386 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
387 sizeof(vsi_ctx->info), cd);
388
389 if (!status) {
390 vsi_ctx->vsi_num = LE16_TO_CPU(res->vsi_num) & ICE_AQ_VSI_NUM_M;
391 vsi_ctx->vsis_allocd = LE16_TO_CPU(res->vsi_used);
392 vsi_ctx->vsis_unallocated = LE16_TO_CPU(res->vsi_free);
393 }
394
395 return status;
396 }
397
398 /**
399 * ice_aq_free_vsi
400 * @hw: pointer to the HW struct
401 * @vsi_ctx: pointer to a VSI context struct
402 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
403 * @cd: pointer to command details structure or NULL
404 *
405 * Free VSI context info from hardware (0x0213)
406 */
407 enum ice_status
408 ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
409 bool keep_vsi_alloc, struct ice_sq_cd *cd)
410 {
411 struct ice_aqc_add_update_free_vsi_resp *resp;
412 struct ice_aqc_add_get_update_free_vsi *cmd;
413 struct ice_aq_desc desc;
414 enum ice_status status;
415
416 cmd = &desc.params.vsi_cmd;
417 resp = &desc.params.add_update_free_vsi_res;
418
419 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi);
420
421 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
422 if (keep_vsi_alloc)
423 cmd->cmd_flags = CPU_TO_LE16(ICE_AQ_VSI_KEEP_ALLOC);
424
425 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
426 if (!status) {
427 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
428 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
429 }
430
431 return status;
432 }
433
434 /**
435 * ice_aq_update_vsi
436 * @hw: pointer to the HW struct
437 * @vsi_ctx: pointer to a VSI context struct
438 * @cd: pointer to command details structure or NULL
439 *
440 * Update VSI context in the hardware (0x0211)
441 */
442 enum ice_status
443 ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
444 struct ice_sq_cd *cd)
445 {
446 struct ice_aqc_add_update_free_vsi_resp *resp;
447 struct ice_aqc_add_get_update_free_vsi *cmd;
448 struct ice_aq_desc desc;
449 enum ice_status status;
450
451 cmd = &desc.params.vsi_cmd;
452 resp = &desc.params.add_update_free_vsi_res;
453
454 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi);
455
456 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
457
458 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
459
460 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
461 sizeof(vsi_ctx->info), cd);
462
463 if (!status) {
464 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
465 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
466 }
467
468 return status;
469 }
470
471 /**
472 * ice_is_vsi_valid - check whether the VSI is valid or not
473 * @hw: pointer to the HW struct
474 * @vsi_handle: VSI handle
475 *
476 * check whether the VSI is valid or not
477 */
478 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle)
479 {
480 return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle];
481 }
482
483 /**
484 * ice_get_hw_vsi_num - return the HW VSI number
485 * @hw: pointer to the HW struct
486 * @vsi_handle: VSI handle
487 *
488 * return the HW VSI number
489 * Caution: call this function only if VSI is valid (ice_is_vsi_valid)
490 */
491 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle)
492 {
493 return hw->vsi_ctx[vsi_handle]->vsi_num;
494 }
495
496 /**
497 * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle
498 * @hw: pointer to the HW struct
499 * @vsi_handle: VSI handle
500 *
501 * return the VSI context entry for a given VSI handle
502 */
503 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
504 {
505 return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle];
506 }
507
508 /**
509 * ice_save_vsi_ctx - save the VSI context for a given VSI handle
510 * @hw: pointer to the HW struct
511 * @vsi_handle: VSI handle
512 * @vsi: VSI context pointer
513 *
514 * save the VSI context entry for a given VSI handle
515 */
516 static void
517 ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi)
518 {
519 hw->vsi_ctx[vsi_handle] = vsi;
520 }
521
522 /**
523 * ice_clear_vsi_q_ctx - clear VSI queue contexts for all TCs
524 * @hw: pointer to the HW struct
525 * @vsi_handle: VSI handle
526 */
527 static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle)
528 {
529 struct ice_vsi_ctx *vsi;
530 u8 i;
531
532 vsi = ice_get_vsi_ctx(hw, vsi_handle);
533 if (!vsi)
534 return;
535 ice_for_each_traffic_class(i) {
536 if (vsi->lan_q_ctx[i]) {
537 ice_free(hw, vsi->lan_q_ctx[i]);
538 vsi->lan_q_ctx[i] = NULL;
539 }
540 if (vsi->rdma_q_ctx[i]) {
541 ice_free(hw, vsi->rdma_q_ctx[i]);
542 vsi->rdma_q_ctx[i] = NULL;
543 }
544 }
545 }
546
547 /**
548 * ice_clear_vsi_ctx - clear the VSI context entry
549 * @hw: pointer to the HW struct
550 * @vsi_handle: VSI handle
551 *
552 * clear the VSI context entry
553 */
554 static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
555 {
556 struct ice_vsi_ctx *vsi;
557
558 vsi = ice_get_vsi_ctx(hw, vsi_handle);
559 if (vsi) {
560 ice_clear_vsi_q_ctx(hw, vsi_handle);
561 ice_free(hw, vsi);
562 hw->vsi_ctx[vsi_handle] = NULL;
563 }
564 }
565
566 /**
567 * ice_clear_all_vsi_ctx - clear all the VSI context entries
568 * @hw: pointer to the HW struct
569 */
570 void ice_clear_all_vsi_ctx(struct ice_hw *hw)
571 {
572 u16 i;
573
574 for (i = 0; i < ICE_MAX_VSI; i++)
575 ice_clear_vsi_ctx(hw, i);
576 }
577
578 /**
579 * ice_add_vsi - add VSI context to the hardware and VSI handle list
580 * @hw: pointer to the HW struct
581 * @vsi_handle: unique VSI handle provided by drivers
582 * @vsi_ctx: pointer to a VSI context struct
583 * @cd: pointer to command details structure or NULL
584 *
585 * Add a VSI context to the hardware also add it into the VSI handle list.
586 * If this function gets called after reset for existing VSIs then update
587 * with the new HW VSI number in the corresponding VSI handle list entry.
588 */
589 enum ice_status
590 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
591 struct ice_sq_cd *cd)
592 {
593 struct ice_vsi_ctx *tmp_vsi_ctx;
594 enum ice_status status;
595
596 if (vsi_handle >= ICE_MAX_VSI)
597 return ICE_ERR_PARAM;
598 status = ice_aq_add_vsi(hw, vsi_ctx, cd);
599 if (status)
600 return status;
601 tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle);
602 if (!tmp_vsi_ctx) {
603 /* Create a new VSI context */
604 tmp_vsi_ctx = (struct ice_vsi_ctx *)
605 ice_malloc(hw, sizeof(*tmp_vsi_ctx));
606 if (!tmp_vsi_ctx) {
607 ice_aq_free_vsi(hw, vsi_ctx, false, cd);
608 return ICE_ERR_NO_MEMORY;
609 }
610 *tmp_vsi_ctx = *vsi_ctx;
611
612 ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx);
613 } else {
614 /* update with new HW VSI num */
615 tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num;
616 }
617
618 return ICE_SUCCESS;
619 }
620
621 /**
622 * ice_free_vsi- free VSI context from hardware and VSI handle list
623 * @hw: pointer to the HW struct
624 * @vsi_handle: unique VSI handle
625 * @vsi_ctx: pointer to a VSI context struct
626 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
627 * @cd: pointer to command details structure or NULL
628 *
629 * Free VSI context info from hardware as well as from VSI handle list
630 */
631 enum ice_status
632 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
633 bool keep_vsi_alloc, struct ice_sq_cd *cd)
634 {
635 enum ice_status status;
636
637 if (!ice_is_vsi_valid(hw, vsi_handle))
638 return ICE_ERR_PARAM;
639 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
640 status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd);
641 if (!status)
642 ice_clear_vsi_ctx(hw, vsi_handle);
643 return status;
644 }
645
646 /**
647 * ice_update_vsi
648 * @hw: pointer to the HW struct
649 * @vsi_handle: unique VSI handle
650 * @vsi_ctx: pointer to a VSI context struct
651 * @cd: pointer to command details structure or NULL
652 *
653 * Update VSI context in the hardware
654 */
655 enum ice_status
656 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
657 struct ice_sq_cd *cd)
658 {
659 if (!ice_is_vsi_valid(hw, vsi_handle))
660 return ICE_ERR_PARAM;
661 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
662 return ice_aq_update_vsi(hw, vsi_ctx, cd);
663 }
664
665 /**
666 * ice_cfg_iwarp_fltr - enable/disable iWARP filtering on VSI
667 * @hw: pointer to HW struct
668 * @vsi_handle: VSI SW index
669 * @enable: boolean for enable/disable
670 */
671 enum ice_status
672 ice_cfg_iwarp_fltr(struct ice_hw *hw, u16 vsi_handle, bool enable)
673 {
674 struct ice_vsi_ctx *ctx, *cached_ctx;
675 enum ice_status status;
676
677 cached_ctx = ice_get_vsi_ctx(hw, vsi_handle);
678 if (!cached_ctx)
679 return ICE_ERR_DOES_NOT_EXIST;
680
681 ctx = (struct ice_vsi_ctx *)ice_calloc(hw, 1, sizeof(*ctx));
682 if (!ctx)
683 return ICE_ERR_NO_MEMORY;
684
685 ctx->info.q_opt_rss = cached_ctx->info.q_opt_rss;
686 ctx->info.q_opt_tc = cached_ctx->info.q_opt_tc;
687 ctx->info.q_opt_flags = cached_ctx->info.q_opt_flags;
688
689 ctx->info.valid_sections = CPU_TO_LE16(ICE_AQ_VSI_PROP_Q_OPT_VALID);
690
691 if (enable)
692 ctx->info.q_opt_flags |= ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
693 else
694 ctx->info.q_opt_flags &= ~ICE_AQ_VSI_Q_OPT_PE_FLTR_EN;
695
696 status = ice_update_vsi(hw, vsi_handle, ctx, NULL);
697 if (!status) {
698 cached_ctx->info.q_opt_flags = ctx->info.q_opt_flags;
699 cached_ctx->info.valid_sections |= ctx->info.valid_sections;
700 }
701
702 ice_free(hw, ctx);
703 return status;
704 }
705
706 /**
707 * ice_aq_get_vsi_params
708 * @hw: pointer to the HW struct
709 * @vsi_ctx: pointer to a VSI context struct
710 * @cd: pointer to command details structure or NULL
711 *
712 * Get VSI context info from hardware (0x0212)
713 */
714 enum ice_status
715 ice_aq_get_vsi_params(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
716 struct ice_sq_cd *cd)
717 {
718 struct ice_aqc_add_get_update_free_vsi *cmd;
719 struct ice_aqc_get_vsi_resp *resp;
720 struct ice_aq_desc desc;
721 enum ice_status status;
722
723 cmd = &desc.params.vsi_cmd;
724 resp = &desc.params.get_vsi_resp;
725
726 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_vsi_params);
727
728 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
729
730 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
731 sizeof(vsi_ctx->info), cd);
732 if (!status) {
733 vsi_ctx->vsi_num = LE16_TO_CPU(resp->vsi_num) &
734 ICE_AQ_VSI_NUM_M;
735 vsi_ctx->vf_num = resp->vf_id;
736 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
737 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
738 }
739
740 return status;
741 }
742
743 /**
744 * ice_aq_add_update_mir_rule - add/update a mirror rule
745 * @hw: pointer to the HW struct
746 * @rule_type: Rule Type
747 * @dest_vsi: VSI number to which packets will be mirrored
748 * @count: length of the list
749 * @mr_buf: buffer for list of mirrored VSI numbers
750 * @cd: pointer to command details structure or NULL
751 * @rule_id: Rule ID
752 *
753 * Add/Update Mirror Rule (0x260).
754 */
755 enum ice_status
756 ice_aq_add_update_mir_rule(struct ice_hw *hw, u16 rule_type, u16 dest_vsi,
757 u16 count, struct ice_mir_rule_buf *mr_buf,
758 struct ice_sq_cd *cd, u16 *rule_id)
759 {
760 struct ice_aqc_add_update_mir_rule *cmd;
761 struct ice_aq_desc desc;
762 enum ice_status status;
763 __le16 *mr_list = NULL;
764 u16 buf_size = 0;
765
766 switch (rule_type) {
767 case ICE_AQC_RULE_TYPE_VPORT_INGRESS:
768 case ICE_AQC_RULE_TYPE_VPORT_EGRESS:
769 /* Make sure count and mr_buf are set for these rule_types */
770 if (!(count && mr_buf))
771 return ICE_ERR_PARAM;
772
773 buf_size = count * sizeof(__le16);
774 mr_list = (_FORCE_ __le16 *)ice_malloc(hw, buf_size);
775 if (!mr_list)
776 return ICE_ERR_NO_MEMORY;
777 break;
778 case ICE_AQC_RULE_TYPE_PPORT_INGRESS:
779 case ICE_AQC_RULE_TYPE_PPORT_EGRESS:
780 /* Make sure count and mr_buf are not set for these
781 * rule_types
782 */
783 if (count || mr_buf)
784 return ICE_ERR_PARAM;
785 break;
786 default:
787 ice_debug(hw, ICE_DBG_SW, "Error due to unsupported rule_type %u\n", rule_type);
788 return ICE_ERR_OUT_OF_RANGE;
789 }
790
791 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_update_mir_rule);
792
793 /* Pre-process 'mr_buf' items for add/update of virtual port
794 * ingress/egress mirroring (but not physical port ingress/egress
795 * mirroring)
796 */
797 if (mr_buf) {
798 int i;
799
800 for (i = 0; i < count; i++) {
801 u16 id;
802
803 id = mr_buf[i].vsi_idx & ICE_AQC_RULE_MIRRORED_VSI_M;
804
805 /* Validate specified VSI number, make sure it is less
806 * than ICE_MAX_VSI, if not return with error.
807 */
808 if (id >= ICE_MAX_VSI) {
809 ice_debug(hw, ICE_DBG_SW, "Error VSI index (%u) out-of-range\n",
810 id);
811 ice_free(hw, mr_list);
812 return ICE_ERR_OUT_OF_RANGE;
813 }
814
815 /* add VSI to mirror rule */
816 if (mr_buf[i].add)
817 mr_list[i] =
818 CPU_TO_LE16(id | ICE_AQC_RULE_ACT_M);
819 else /* remove VSI from mirror rule */
820 mr_list[i] = CPU_TO_LE16(id);
821 }
822 }
823
824 cmd = &desc.params.add_update_rule;
825 if ((*rule_id) != ICE_INVAL_MIRROR_RULE_ID)
826 cmd->rule_id = CPU_TO_LE16(((*rule_id) & ICE_AQC_RULE_ID_M) |
827 ICE_AQC_RULE_ID_VALID_M);
828 cmd->rule_type = CPU_TO_LE16(rule_type & ICE_AQC_RULE_TYPE_M);
829 cmd->num_entries = CPU_TO_LE16(count);
830 cmd->dest = CPU_TO_LE16(dest_vsi);
831
832 status = ice_aq_send_cmd(hw, &desc, mr_list, buf_size, cd);
833 if (!status)
834 *rule_id = LE16_TO_CPU(cmd->rule_id) & ICE_AQC_RULE_ID_M;
835
836 ice_free(hw, mr_list);
837
838 return status;
839 }
840
841 /**
842 * ice_aq_delete_mir_rule - delete a mirror rule
843 * @hw: pointer to the HW struct
844 * @rule_id: Mirror rule ID (to be deleted)
845 * @keep_allocd: if set, the VSI stays part of the PF allocated res,
846 * otherwise it is returned to the shared pool
847 * @cd: pointer to command details structure or NULL
848 *
849 * Delete Mirror Rule (0x261).
850 */
851 enum ice_status
852 ice_aq_delete_mir_rule(struct ice_hw *hw, u16 rule_id, bool keep_allocd,
853 struct ice_sq_cd *cd)
854 {
855 struct ice_aqc_delete_mir_rule *cmd;
856 struct ice_aq_desc desc;
857
858 /* rule_id should be in the range 0...63 */
859 if (rule_id >= ICE_MAX_NUM_MIRROR_RULES)
860 return ICE_ERR_OUT_OF_RANGE;
861
862 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_del_mir_rule);
863
864 cmd = &desc.params.del_rule;
865 rule_id |= ICE_AQC_RULE_ID_VALID_M;
866 cmd->rule_id = CPU_TO_LE16(rule_id);
867
868 if (keep_allocd)
869 cmd->flags = CPU_TO_LE16(ICE_AQC_FLAG_KEEP_ALLOCD_M);
870
871 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
872 }
873
874 /**
875 * ice_aq_alloc_free_vsi_list
876 * @hw: pointer to the HW struct
877 * @vsi_list_id: VSI list ID returned or used for lookup
878 * @lkup_type: switch rule filter lookup type
879 * @opc: switch rules population command type - pass in the command opcode
880 *
881 * allocates or free a VSI list resource
882 */
883 static enum ice_status
884 ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
885 enum ice_sw_lkup_type lkup_type,
886 enum ice_adminq_opc opc)
887 {
888 struct ice_aqc_alloc_free_res_elem *sw_buf;
889 struct ice_aqc_res_elem *vsi_ele;
890 enum ice_status status;
891 u16 buf_len;
892
893 buf_len = ice_struct_size(sw_buf, elem, 1);
894 sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
895 if (!sw_buf)
896 return ICE_ERR_NO_MEMORY;
897 sw_buf->num_elems = CPU_TO_LE16(1);
898
899 if (lkup_type == ICE_SW_LKUP_MAC ||
900 lkup_type == ICE_SW_LKUP_MAC_VLAN ||
901 lkup_type == ICE_SW_LKUP_ETHERTYPE ||
902 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
903 lkup_type == ICE_SW_LKUP_PROMISC ||
904 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
905 lkup_type == ICE_SW_LKUP_LAST) {
906 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_REP);
907 } else if (lkup_type == ICE_SW_LKUP_VLAN) {
908 sw_buf->res_type =
909 CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
910 } else {
911 status = ICE_ERR_PARAM;
912 goto ice_aq_alloc_free_vsi_list_exit;
913 }
914
915 if (opc == ice_aqc_opc_free_res)
916 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(*vsi_list_id);
917
918 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL);
919 if (status)
920 goto ice_aq_alloc_free_vsi_list_exit;
921
922 if (opc == ice_aqc_opc_alloc_res) {
923 vsi_ele = &sw_buf->elem[0];
924 *vsi_list_id = LE16_TO_CPU(vsi_ele->e.sw_resp);
925 }
926
927 ice_aq_alloc_free_vsi_list_exit:
928 ice_free(hw, sw_buf);
929 return status;
930 }
931
932 /**
933 * ice_aq_set_storm_ctrl - Sets storm control configuration
934 * @hw: pointer to the HW struct
935 * @bcast_thresh: represents the upper threshold for broadcast storm control
936 * @mcast_thresh: represents the upper threshold for multicast storm control
937 * @ctl_bitmask: storm control knobs
938 *
939 * Sets the storm control configuration (0x0280)
940 */
941 enum ice_status
942 ice_aq_set_storm_ctrl(struct ice_hw *hw, u32 bcast_thresh, u32 mcast_thresh,
943 u32 ctl_bitmask)
944 {
945 struct ice_aqc_storm_cfg *cmd;
946 struct ice_aq_desc desc;
947
948 cmd = &desc.params.storm_conf;
949
950 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_storm_cfg);
951
952 cmd->bcast_thresh_size = CPU_TO_LE32(bcast_thresh & ICE_AQ_THRESHOLD_M);
953 cmd->mcast_thresh_size = CPU_TO_LE32(mcast_thresh & ICE_AQ_THRESHOLD_M);
954 cmd->storm_ctrl_ctrl = CPU_TO_LE32(ctl_bitmask);
955
956 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
957 }
958
959 /**
960 * ice_aq_get_storm_ctrl - gets storm control configuration
961 * @hw: pointer to the HW struct
962 * @bcast_thresh: represents the upper threshold for broadcast storm control
963 * @mcast_thresh: represents the upper threshold for multicast storm control
964 * @ctl_bitmask: storm control knobs
965 *
966 * Gets the storm control configuration (0x0281)
967 */
968 enum ice_status
969 ice_aq_get_storm_ctrl(struct ice_hw *hw, u32 *bcast_thresh, u32 *mcast_thresh,
970 u32 *ctl_bitmask)
971 {
972 enum ice_status status;
973 struct ice_aq_desc desc;
974
975 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_storm_cfg);
976
977 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
978 if (!status) {
979 struct ice_aqc_storm_cfg *resp = &desc.params.storm_conf;
980
981 if (bcast_thresh)
982 *bcast_thresh = LE32_TO_CPU(resp->bcast_thresh_size) &
983 ICE_AQ_THRESHOLD_M;
984 if (mcast_thresh)
985 *mcast_thresh = LE32_TO_CPU(resp->mcast_thresh_size) &
986 ICE_AQ_THRESHOLD_M;
987 if (ctl_bitmask)
988 *ctl_bitmask = LE32_TO_CPU(resp->storm_ctrl_ctrl);
989 }
990
991 return status;
992 }
993
994 /**
995 * ice_aq_sw_rules - add/update/remove switch rules
996 * @hw: pointer to the HW struct
997 * @rule_list: pointer to switch rule population list
998 * @rule_list_sz: total size of the rule list in bytes
999 * @num_rules: number of switch rules in the rule_list
1000 * @opc: switch rules population command type - pass in the command opcode
1001 * @cd: pointer to command details structure or NULL
1002 *
1003 * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware
1004 */
1005 static enum ice_status
1006 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,
1007 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd)
1008 {
1009 struct ice_aq_desc desc;
1010 enum ice_status status;
1011
1012 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
1013
1014 if (opc != ice_aqc_opc_add_sw_rules &&
1015 opc != ice_aqc_opc_update_sw_rules &&
1016 opc != ice_aqc_opc_remove_sw_rules)
1017 return ICE_ERR_PARAM;
1018
1019 ice_fill_dflt_direct_cmd_desc(&desc, opc);
1020
1021 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1022 desc.params.sw_rules.num_rules_fltr_entry_index =
1023 CPU_TO_LE16(num_rules);
1024 status = ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd);
1025 if (opc != ice_aqc_opc_add_sw_rules &&
1026 hw->adminq.sq_last_status == ICE_AQ_RC_ENOENT)
1027 status = ICE_ERR_DOES_NOT_EXIST;
1028
1029 return status;
1030 }
1031
1032 /* ice_init_port_info - Initialize port_info with switch configuration data
1033 * @pi: pointer to port_info
1034 * @vsi_port_num: VSI number or port number
1035 * @type: Type of switch element (port or VSI)
1036 * @swid: switch ID of the switch the element is attached to
1037 * @pf_vf_num: PF or VF number
1038 * @is_vf: true if the element is a VF, false otherwise
1039 */
1040 static void
1041 ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type,
1042 u16 swid, u16 pf_vf_num, bool is_vf)
1043 {
1044 switch (type) {
1045 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
1046 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK);
1047 pi->sw_id = swid;
1048 pi->pf_vf_num = pf_vf_num;
1049 pi->is_vf = is_vf;
1050 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL;
1051 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL;
1052 break;
1053 default:
1054 ice_debug(pi->hw, ICE_DBG_SW, "incorrect VSI/port type received\n");
1055 break;
1056 }
1057 }
1058
1059 /* ice_get_initial_sw_cfg - Get initial port and default VSI data
1060 * @hw: pointer to the hardware structure
1061 */
1062 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw)
1063 {
1064 struct ice_aqc_get_sw_cfg_resp_elem *rbuf;
1065 enum ice_status status;
1066 u8 num_total_ports;
1067 u16 req_desc = 0;
1068 u16 num_elems;
1069 u8 j = 0;
1070 u16 i;
1071
1072 num_total_ports = 1;
1073
1074 rbuf = (struct ice_aqc_get_sw_cfg_resp_elem *)
1075 ice_malloc(hw, ICE_SW_CFG_MAX_BUF_LEN);
1076
1077 if (!rbuf)
1078 return ICE_ERR_NO_MEMORY;
1079
1080 /* Multiple calls to ice_aq_get_sw_cfg may be required
1081 * to get all the switch configuration information. The need
1082 * for additional calls is indicated by ice_aq_get_sw_cfg
1083 * writing a non-zero value in req_desc
1084 */
1085 do {
1086 struct ice_aqc_get_sw_cfg_resp_elem *ele;
1087
1088 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN,
1089 &req_desc, &num_elems, NULL);
1090
1091 if (status)
1092 break;
1093
1094 for (i = 0, ele = rbuf; i < num_elems; i++, ele++) {
1095 u16 pf_vf_num, swid, vsi_port_num;
1096 bool is_vf = false;
1097 u8 res_type;
1098
1099 vsi_port_num = LE16_TO_CPU(ele->vsi_port_num) &
1100 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M;
1101
1102 pf_vf_num = LE16_TO_CPU(ele->pf_vf_num) &
1103 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M;
1104
1105 swid = LE16_TO_CPU(ele->swid);
1106
1107 if (LE16_TO_CPU(ele->pf_vf_num) &
1108 ICE_AQC_GET_SW_CONF_RESP_IS_VF)
1109 is_vf = true;
1110
1111 res_type = (u8)(LE16_TO_CPU(ele->vsi_port_num) >>
1112 ICE_AQC_GET_SW_CONF_RESP_TYPE_S);
1113
1114 switch (res_type) {
1115 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
1116 case ICE_AQC_GET_SW_CONF_RESP_VIRT_PORT:
1117 if (j == num_total_ports) {
1118 ice_debug(hw, ICE_DBG_SW, "more ports than expected\n");
1119 status = ICE_ERR_CFG;
1120 goto out;
1121 }
1122 ice_init_port_info(hw->port_info,
1123 vsi_port_num, res_type, swid,
1124 pf_vf_num, is_vf);
1125 j++;
1126 break;
1127 default:
1128 break;
1129 }
1130 }
1131 } while (req_desc && !status);
1132
1133 out:
1134 ice_free(hw, rbuf);
1135 return status;
1136 }
1137
1138 /**
1139 * ice_fill_sw_info - Helper function to populate lb_en and lan_en
1140 * @hw: pointer to the hardware structure
1141 * @fi: filter info structure to fill/update
1142 *
1143 * This helper function populates the lb_en and lan_en elements of the provided
1144 * ice_fltr_info struct using the switch's type and characteristics of the
1145 * switch rule being configured.
1146 */
1147 static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)
1148 {
1149 fi->lb_en = false;
1150 fi->lan_en = false;
1151 if ((fi->flag & ICE_FLTR_TX) &&
1152 (fi->fltr_act == ICE_FWD_TO_VSI ||
1153 fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
1154 fi->fltr_act == ICE_FWD_TO_Q ||
1155 fi->fltr_act == ICE_FWD_TO_QGRP)) {
1156 /* Setting LB for prune actions will result in replicated
1157 * packets to the internal switch that will be dropped.
1158 */
1159 if (fi->lkup_type != ICE_SW_LKUP_VLAN)
1160 fi->lb_en = true;
1161
1162 /* Set lan_en to TRUE if
1163 * 1. The switch is a VEB AND
1164 * 2
1165 * 2.1 The lookup is a directional lookup like ethertype,
1166 * promiscuous, ethertype-MAC, promiscuous-VLAN
1167 * and default-port OR
1168 * 2.2 The lookup is VLAN, OR
1169 * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR
1170 * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC.
1171 *
1172 * OR
1173 *
1174 * The switch is a VEPA.
1175 *
1176 * In all other cases, the LAN enable has to be set to false.
1177 */
1178 if (hw->evb_veb) {
1179 if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE ||
1180 fi->lkup_type == ICE_SW_LKUP_PROMISC ||
1181 fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
1182 fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1183 fi->lkup_type == ICE_SW_LKUP_DFLT ||
1184 fi->lkup_type == ICE_SW_LKUP_VLAN ||
1185 (fi->lkup_type == ICE_SW_LKUP_MAC &&
1186 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)) ||
1187 (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN &&
1188 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)))
1189 fi->lan_en = true;
1190 } else {
1191 fi->lan_en = true;
1192 }
1193 }
1194 }
1195
1196 /**
1197 * ice_fill_sw_rule - Helper function to fill switch rule structure
1198 * @hw: pointer to the hardware structure
1199 * @f_info: entry containing packet forwarding information
1200 * @s_rule: switch rule structure to be filled in based on mac_entry
1201 * @opc: switch rules population command type - pass in the command opcode
1202 */
1203 static void
1204 ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info,
1205 struct ice_aqc_sw_rules_elem *s_rule, enum ice_adminq_opc opc)
1206 {
1207 u16 vlan_id = ICE_MAX_VLAN_ID + 1;
1208 u16 vlan_tpid = ICE_ETH_P_8021Q;
1209 void *daddr = NULL;
1210 u16 eth_hdr_sz;
1211 u8 *eth_hdr;
1212 u32 act = 0;
1213 __be16 *off;
1214 u8 q_rgn;
1215
1216 if (opc == ice_aqc_opc_remove_sw_rules) {
1217 s_rule->pdata.lkup_tx_rx.act = 0;
1218 s_rule->pdata.lkup_tx_rx.index =
1219 CPU_TO_LE16(f_info->fltr_rule_id);
1220 s_rule->pdata.lkup_tx_rx.hdr_len = 0;
1221 return;
1222 }
1223
1224 eth_hdr_sz = sizeof(dummy_eth_header);
1225 eth_hdr = s_rule->pdata.lkup_tx_rx.hdr;
1226
1227 /* initialize the ether header with a dummy header */
1228 ice_memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz, ICE_NONDMA_TO_NONDMA);
1229 ice_fill_sw_info(hw, f_info);
1230
1231 switch (f_info->fltr_act) {
1232 case ICE_FWD_TO_VSI:
1233 act |= (f_info->fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) &
1234 ICE_SINGLE_ACT_VSI_ID_M;
1235 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
1236 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
1237 ICE_SINGLE_ACT_VALID_BIT;
1238 break;
1239 case ICE_FWD_TO_VSI_LIST:
1240 act |= ICE_SINGLE_ACT_VSI_LIST;
1241 act |= (f_info->fwd_id.vsi_list_id <<
1242 ICE_SINGLE_ACT_VSI_LIST_ID_S) &
1243 ICE_SINGLE_ACT_VSI_LIST_ID_M;
1244 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
1245 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
1246 ICE_SINGLE_ACT_VALID_BIT;
1247 break;
1248 case ICE_FWD_TO_Q:
1249 act |= ICE_SINGLE_ACT_TO_Q;
1250 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
1251 ICE_SINGLE_ACT_Q_INDEX_M;
1252 break;
1253 case ICE_DROP_PACKET:
1254 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
1255 ICE_SINGLE_ACT_VALID_BIT;
1256 break;
1257 case ICE_FWD_TO_QGRP:
1258 q_rgn = f_info->qgrp_size > 0 ?
1259 (u8)ice_ilog2(f_info->qgrp_size) : 0;
1260 act |= ICE_SINGLE_ACT_TO_Q;
1261 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
1262 ICE_SINGLE_ACT_Q_INDEX_M;
1263 act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) &
1264 ICE_SINGLE_ACT_Q_REGION_M;
1265 break;
1266 default:
1267 return;
1268 }
1269
1270 if (f_info->lb_en)
1271 act |= ICE_SINGLE_ACT_LB_ENABLE;
1272 if (f_info->lan_en)
1273 act |= ICE_SINGLE_ACT_LAN_ENABLE;
1274
1275 switch (f_info->lkup_type) {
1276 case ICE_SW_LKUP_MAC:
1277 daddr = f_info->l_data.mac.mac_addr;
1278 break;
1279 case ICE_SW_LKUP_VLAN:
1280 vlan_id = f_info->l_data.vlan.vlan_id;
1281 if (f_info->l_data.vlan.tpid_valid)
1282 vlan_tpid = f_info->l_data.vlan.tpid;
1283 if (f_info->fltr_act == ICE_FWD_TO_VSI ||
1284 f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
1285 act |= ICE_SINGLE_ACT_PRUNE;
1286 act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS;
1287 }
1288 break;
1289 case ICE_SW_LKUP_ETHERTYPE_MAC:
1290 daddr = f_info->l_data.ethertype_mac.mac_addr;
1291 /* fall-through */
1292 case ICE_SW_LKUP_ETHERTYPE:
1293 off = (_FORCE_ __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
1294 *off = CPU_TO_BE16(f_info->l_data.ethertype_mac.ethertype);
1295 break;
1296 case ICE_SW_LKUP_MAC_VLAN:
1297 daddr = f_info->l_data.mac_vlan.mac_addr;
1298 vlan_id = f_info->l_data.mac_vlan.vlan_id;
1299 break;
1300 case ICE_SW_LKUP_PROMISC_VLAN:
1301 vlan_id = f_info->l_data.mac_vlan.vlan_id;
1302 /* fall-through */
1303 case ICE_SW_LKUP_PROMISC:
1304 daddr = f_info->l_data.mac_vlan.mac_addr;
1305 break;
1306 default:
1307 break;
1308 }
1309
1310 s_rule->type = (f_info->flag & ICE_FLTR_RX) ?
1311 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX) :
1312 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX);
1313
1314 /* Recipe set depending on lookup type */
1315 s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(f_info->lkup_type);
1316 s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(f_info->src);
1317 s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
1318
1319 if (daddr)
1320 ice_memcpy(eth_hdr + ICE_ETH_DA_OFFSET, daddr, ETH_ALEN,
1321 ICE_NONDMA_TO_NONDMA);
1322
1323 if (!(vlan_id > ICE_MAX_VLAN_ID)) {
1324 off = (_FORCE_ __be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET);
1325 *off = CPU_TO_BE16(vlan_id);
1326 off = (_FORCE_ __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
1327 *off = CPU_TO_BE16(vlan_tpid);
1328 }
1329
1330 /* Create the switch rule with the final dummy Ethernet header */
1331 if (opc != ice_aqc_opc_update_sw_rules)
1332 s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(eth_hdr_sz);
1333 }
1334
1335 /**
1336 * ice_add_marker_act
1337 * @hw: pointer to the hardware structure
1338 * @m_ent: the management entry for which sw marker needs to be added
1339 * @sw_marker: sw marker to tag the Rx descriptor with
1340 * @l_id: large action resource ID
1341 *
1342 * Create a large action to hold software marker and update the switch rule
1343 * entry pointed by m_ent with newly created large action
1344 */
1345 static enum ice_status
1346 ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
1347 u16 sw_marker, u16 l_id)
1348 {
1349 struct ice_aqc_sw_rules_elem *lg_act, *rx_tx;
1350 /* For software marker we need 3 large actions
1351 * 1. FWD action: FWD TO VSI or VSI LIST
1352 * 2. GENERIC VALUE action to hold the profile ID
1353 * 3. GENERIC VALUE action to hold the software marker ID
1354 */
1355 const u16 num_lg_acts = 3;
1356 enum ice_status status;
1357 u16 lg_act_size;
1358 u16 rules_size;
1359 u32 act;
1360 u16 id;
1361
1362 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
1363 return ICE_ERR_PARAM;
1364
1365 /* Create two back-to-back switch rules and submit them to the HW using
1366 * one memory buffer:
1367 * 1. Large Action
1368 * 2. Look up Tx Rx
1369 */
1370 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_lg_acts);
1371 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
1372 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rules_size);
1373 if (!lg_act)
1374 return ICE_ERR_NO_MEMORY;
1375
1376 rx_tx = (struct ice_aqc_sw_rules_elem *)((u8 *)lg_act + lg_act_size);
1377
1378 /* Fill in the first switch rule i.e. large action */
1379 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
1380 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id);
1381 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_lg_acts);
1382
1383 /* First action VSI forwarding or VSI list forwarding depending on how
1384 * many VSIs
1385 */
1386 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
1387 m_ent->fltr_info.fwd_id.hw_vsi_id;
1388
1389 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
1390 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) & ICE_LG_ACT_VSI_LIST_ID_M;
1391 if (m_ent->vsi_count > 1)
1392 act |= ICE_LG_ACT_VSI_LIST;
1393 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act);
1394
1395 /* Second action descriptor type */
1396 act = ICE_LG_ACT_GENERIC;
1397
1398 act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M;
1399 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act);
1400
1401 act = (ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX <<
1402 ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_OFFSET_M;
1403
1404 /* Third action Marker value */
1405 act |= ICE_LG_ACT_GENERIC;
1406 act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) &
1407 ICE_LG_ACT_GENERIC_VALUE_M;
1408
1409 lg_act->pdata.lg_act.act[2] = CPU_TO_LE32(act);
1410
1411 /* call the fill switch rule to fill the lookup Tx Rx structure */
1412 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
1413 ice_aqc_opc_update_sw_rules);
1414
1415 /* Update the action to point to the large action ID */
1416 rx_tx->pdata.lkup_tx_rx.act =
1417 CPU_TO_LE32(ICE_SINGLE_ACT_PTR |
1418 ((l_id << ICE_SINGLE_ACT_PTR_VAL_S) &
1419 ICE_SINGLE_ACT_PTR_VAL_M));
1420
1421 /* Use the filter rule ID of the previously created rule with single
1422 * act. Once the update happens, hardware will treat this as large
1423 * action
1424 */
1425 rx_tx->pdata.lkup_tx_rx.index =
1426 CPU_TO_LE16(m_ent->fltr_info.fltr_rule_id);
1427
1428 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
1429 ice_aqc_opc_update_sw_rules, NULL);
1430 if (!status) {
1431 m_ent->lg_act_idx = l_id;
1432 m_ent->sw_marker_id = sw_marker;
1433 }
1434
1435 ice_free(hw, lg_act);
1436 return status;
1437 }
1438
1439 /**
1440 * ice_add_counter_act - add/update filter rule with counter action
1441 * @hw: pointer to the hardware structure
1442 * @m_ent: the management entry for which counter needs to be added
1443 * @counter_id: VLAN counter ID returned as part of allocate resource
1444 * @l_id: large action resource ID
1445 */
1446 static enum ice_status
1447 ice_add_counter_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
1448 u16 counter_id, u16 l_id)
1449 {
1450 struct ice_aqc_sw_rules_elem *lg_act;
1451 struct ice_aqc_sw_rules_elem *rx_tx;
1452 enum ice_status status;
1453 /* 2 actions will be added while adding a large action counter */
1454 const int num_acts = 2;
1455 u16 lg_act_size;
1456 u16 rules_size;
1457 u16 f_rule_id;
1458 u32 act;
1459 u16 id;
1460
1461 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
1462 return ICE_ERR_PARAM;
1463
1464 /* Create two back-to-back switch rules and submit them to the HW using
1465 * one memory buffer:
1466 * 1. Large Action
1467 * 2. Look up Tx Rx
1468 */
1469 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_acts);
1470 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
1471 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rules_size);
1472 if (!lg_act)
1473 return ICE_ERR_NO_MEMORY;
1474
1475 rx_tx = (struct ice_aqc_sw_rules_elem *)((u8 *)lg_act + lg_act_size);
1476
1477 /* Fill in the first switch rule i.e. large action */
1478 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
1479 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id);
1480 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_acts);
1481
1482 /* First action VSI forwarding or VSI list forwarding depending on how
1483 * many VSIs
1484 */
1485 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
1486 m_ent->fltr_info.fwd_id.hw_vsi_id;
1487
1488 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
1489 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) &
1490 ICE_LG_ACT_VSI_LIST_ID_M;
1491 if (m_ent->vsi_count > 1)
1492 act |= ICE_LG_ACT_VSI_LIST;
1493 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act);
1494
1495 /* Second action counter ID */
1496 act = ICE_LG_ACT_STAT_COUNT;
1497 act |= (counter_id << ICE_LG_ACT_STAT_COUNT_S) &
1498 ICE_LG_ACT_STAT_COUNT_M;
1499 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act);
1500
1501 /* call the fill switch rule to fill the lookup Tx Rx structure */
1502 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
1503 ice_aqc_opc_update_sw_rules);
1504
1505 act = ICE_SINGLE_ACT_PTR;
1506 act |= (l_id << ICE_SINGLE_ACT_PTR_VAL_S) & ICE_SINGLE_ACT_PTR_VAL_M;
1507 rx_tx->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
1508
1509 /* Use the filter rule ID of the previously created rule with single
1510 * act. Once the update happens, hardware will treat this as large
1511 * action
1512 */
1513 f_rule_id = m_ent->fltr_info.fltr_rule_id;
1514 rx_tx->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_rule_id);
1515
1516 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
1517 ice_aqc_opc_update_sw_rules, NULL);
1518 if (!status) {
1519 m_ent->lg_act_idx = l_id;
1520 m_ent->counter_index = counter_id;
1521 }
1522
1523 ice_free(hw, lg_act);
1524 return status;
1525 }
1526
1527 /**
1528 * ice_create_vsi_list_map
1529 * @hw: pointer to the hardware structure
1530 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping
1531 * @num_vsi: number of VSI handles in the array
1532 * @vsi_list_id: VSI list ID generated as part of allocate resource
1533 *
1534 * Helper function to create a new entry of VSI list ID to VSI mapping
1535 * using the given VSI list ID
1536 */
1537 static struct ice_vsi_list_map_info *
1538 ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1539 u16 vsi_list_id)
1540 {
1541 struct ice_switch_info *sw = hw->switch_info;
1542 struct ice_vsi_list_map_info *v_map;
1543 int i;
1544
1545 v_map = (struct ice_vsi_list_map_info *)ice_malloc(hw, sizeof(*v_map));
1546 if (!v_map)
1547 return NULL;
1548
1549 v_map->vsi_list_id = vsi_list_id;
1550 v_map->ref_cnt = 1;
1551 for (i = 0; i < num_vsi; i++)
1552 ice_set_bit(vsi_handle_arr[i], v_map->vsi_map);
1553
1554 LIST_ADD(&v_map->list_entry, &sw->vsi_list_map_head);
1555 return v_map;
1556 }
1557
1558 /**
1559 * ice_update_vsi_list_rule
1560 * @hw: pointer to the hardware structure
1561 * @vsi_handle_arr: array of VSI handles to form a VSI list
1562 * @num_vsi: number of VSI handles in the array
1563 * @vsi_list_id: VSI list ID generated as part of allocate resource
1564 * @remove: Boolean value to indicate if this is a remove action
1565 * @opc: switch rules population command type - pass in the command opcode
1566 * @lkup_type: lookup type of the filter
1567 *
1568 * Call AQ command to add a new switch rule or update existing switch rule
1569 * using the given VSI list ID
1570 */
1571 static enum ice_status
1572 ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1573 u16 vsi_list_id, bool remove, enum ice_adminq_opc opc,
1574 enum ice_sw_lkup_type lkup_type)
1575 {
1576 struct ice_aqc_sw_rules_elem *s_rule;
1577 enum ice_status status;
1578 u16 s_rule_size;
1579 u16 rule_type;
1580 int i;
1581
1582 if (!num_vsi)
1583 return ICE_ERR_PARAM;
1584
1585 if (lkup_type == ICE_SW_LKUP_MAC ||
1586 lkup_type == ICE_SW_LKUP_MAC_VLAN ||
1587 lkup_type == ICE_SW_LKUP_ETHERTYPE ||
1588 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
1589 lkup_type == ICE_SW_LKUP_PROMISC ||
1590 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1591 lkup_type == ICE_SW_LKUP_LAST)
1592 rule_type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR :
1593 ICE_AQC_SW_RULES_T_VSI_LIST_SET;
1594 else if (lkup_type == ICE_SW_LKUP_VLAN)
1595 rule_type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR :
1596 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET;
1597 else
1598 return ICE_ERR_PARAM;
1599
1600 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(num_vsi);
1601 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
1602 if (!s_rule)
1603 return ICE_ERR_NO_MEMORY;
1604 for (i = 0; i < num_vsi; i++) {
1605 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) {
1606 status = ICE_ERR_PARAM;
1607 goto exit;
1608 }
1609 /* AQ call requires hw_vsi_id(s) */
1610 s_rule->pdata.vsi_list.vsi[i] =
1611 CPU_TO_LE16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i]));
1612 }
1613
1614 s_rule->type = CPU_TO_LE16(rule_type);
1615 s_rule->pdata.vsi_list.number_vsi = CPU_TO_LE16(num_vsi);
1616 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id);
1617
1618 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL);
1619
1620 exit:
1621 ice_free(hw, s_rule);
1622 return status;
1623 }
1624
1625 /**
1626 * ice_create_vsi_list_rule - Creates and populates a VSI list rule
1627 * @hw: pointer to the HW struct
1628 * @vsi_handle_arr: array of VSI handles to form a VSI list
1629 * @num_vsi: number of VSI handles in the array
1630 * @vsi_list_id: stores the ID of the VSI list to be created
1631 * @lkup_type: switch rule filter's lookup type
1632 */
1633 static enum ice_status
1634 ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1635 u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type)
1636 {
1637 enum ice_status status;
1638
1639 status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type,
1640 ice_aqc_opc_alloc_res);
1641 if (status)
1642 return status;
1643
1644 /* Update the newly created VSI list to include the specified VSIs */
1645 return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi,
1646 *vsi_list_id, false,
1647 ice_aqc_opc_add_sw_rules, lkup_type);
1648 }
1649
1650 /**
1651 * ice_create_pkt_fwd_rule
1652 * @hw: pointer to the hardware structure
1653 * @recp_list: corresponding filter management list
1654 * @f_entry: entry containing packet forwarding information
1655 *
1656 * Create switch rule with given filter information and add an entry
1657 * to the corresponding filter management list to track this switch rule
1658 * and VSI mapping
1659 */
1660 static enum ice_status
1661 ice_create_pkt_fwd_rule(struct ice_hw *hw, struct ice_sw_recipe *recp_list,
1662 struct ice_fltr_list_entry *f_entry)
1663 {
1664 struct ice_fltr_mgmt_list_entry *fm_entry;
1665 struct ice_aqc_sw_rules_elem *s_rule;
1666 enum ice_status status;
1667
1668 s_rule = (struct ice_aqc_sw_rules_elem *)
1669 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE);
1670 if (!s_rule)
1671 return ICE_ERR_NO_MEMORY;
1672 fm_entry = (struct ice_fltr_mgmt_list_entry *)
1673 ice_malloc(hw, sizeof(*fm_entry));
1674 if (!fm_entry) {
1675 status = ICE_ERR_NO_MEMORY;
1676 goto ice_create_pkt_fwd_rule_exit;
1677 }
1678
1679 fm_entry->fltr_info = f_entry->fltr_info;
1680
1681 /* Initialize all the fields for the management entry */
1682 fm_entry->vsi_count = 1;
1683 fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX;
1684 fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID;
1685 fm_entry->counter_index = ICE_INVAL_COUNTER_ID;
1686
1687 ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule,
1688 ice_aqc_opc_add_sw_rules);
1689
1690 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
1691 ice_aqc_opc_add_sw_rules, NULL);
1692 if (status) {
1693 ice_free(hw, fm_entry);
1694 goto ice_create_pkt_fwd_rule_exit;
1695 }
1696
1697 f_entry->fltr_info.fltr_rule_id =
1698 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
1699 fm_entry->fltr_info.fltr_rule_id =
1700 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
1701
1702 /* The book keeping entries will get removed when base driver
1703 * calls remove filter AQ command
1704 */
1705 LIST_ADD(&fm_entry->list_entry, &recp_list->filt_rules);
1706
1707 ice_create_pkt_fwd_rule_exit:
1708 ice_free(hw, s_rule);
1709 return status;
1710 }
1711
1712 /**
1713 * ice_update_pkt_fwd_rule
1714 * @hw: pointer to the hardware structure
1715 * @f_info: filter information for switch rule
1716 *
1717 * Call AQ command to update a previously created switch rule with a
1718 * VSI list ID
1719 */
1720 static enum ice_status
1721 ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info)
1722 {
1723 struct ice_aqc_sw_rules_elem *s_rule;
1724 enum ice_status status;
1725
1726 s_rule = (struct ice_aqc_sw_rules_elem *)
1727 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE);
1728 if (!s_rule)
1729 return ICE_ERR_NO_MEMORY;
1730
1731 ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules);
1732
1733 s_rule->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_info->fltr_rule_id);
1734
1735 /* Update switch rule with new rule set to forward VSI list */
1736 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
1737 ice_aqc_opc_update_sw_rules, NULL);
1738
1739 ice_free(hw, s_rule);
1740 return status;
1741 }
1742
1743 /**
1744 * ice_update_sw_rule_bridge_mode
1745 * @hw: pointer to the HW struct
1746 *
1747 * Updates unicast switch filter rules based on VEB/VEPA mode
1748 */
1749 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw)
1750 {
1751 struct ice_switch_info *sw = hw->switch_info;
1752 struct ice_fltr_mgmt_list_entry *fm_entry;
1753 enum ice_status status = ICE_SUCCESS;
1754 struct LIST_HEAD_TYPE *rule_head;
1755 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
1756
1757 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
1758 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;
1759
1760 ice_acquire_lock(rule_lock);
1761 LIST_FOR_EACH_ENTRY(fm_entry, rule_head, ice_fltr_mgmt_list_entry,
1762 list_entry) {
1763 struct ice_fltr_info *fi = &fm_entry->fltr_info;
1764 u8 *addr = fi->l_data.mac.mac_addr;
1765
1766 /* Update unicast Tx rules to reflect the selected
1767 * VEB/VEPA mode
1768 */
1769 if ((fi->flag & ICE_FLTR_TX) && IS_UNICAST_ETHER_ADDR(addr) &&
1770 (fi->fltr_act == ICE_FWD_TO_VSI ||
1771 fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
1772 fi->fltr_act == ICE_FWD_TO_Q ||
1773 fi->fltr_act == ICE_FWD_TO_QGRP)) {
1774 status = ice_update_pkt_fwd_rule(hw, fi);
1775 if (status)
1776 break;
1777 }
1778 }
1779
1780 ice_release_lock(rule_lock);
1781
1782 return status;
1783 }
1784
1785 /**
1786 * ice_add_update_vsi_list
1787 * @hw: pointer to the hardware structure
1788 * @m_entry: pointer to current filter management list entry
1789 * @cur_fltr: filter information from the book keeping entry
1790 * @new_fltr: filter information with the new VSI to be added
1791 *
1792 * Call AQ command to add or update previously created VSI list with new VSI.
1793 *
1794 * Helper function to do book keeping associated with adding filter information
1795 * The algorithm to do the book keeping is described below :
1796 * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.)
1797 * if only one VSI has been added till now
1798 * Allocate a new VSI list and add two VSIs
1799 * to this list using switch rule command
1800 * Update the previously created switch rule with the
1801 * newly created VSI list ID
1802 * if a VSI list was previously created
1803 * Add the new VSI to the previously created VSI list set
1804 * using the update switch rule command
1805 */
1806 static enum ice_status
1807 ice_add_update_vsi_list(struct ice_hw *hw,
1808 struct ice_fltr_mgmt_list_entry *m_entry,
1809 struct ice_fltr_info *cur_fltr,
1810 struct ice_fltr_info *new_fltr)
1811 {
1812 enum ice_status status = ICE_SUCCESS;
1813 u16 vsi_list_id = 0;
1814
1815 if ((cur_fltr->fltr_act == ICE_FWD_TO_Q ||
1816 cur_fltr->fltr_act == ICE_FWD_TO_QGRP))
1817 return ICE_ERR_NOT_IMPL;
1818
1819 if ((new_fltr->fltr_act == ICE_FWD_TO_Q ||
1820 new_fltr->fltr_act == ICE_FWD_TO_QGRP) &&
1821 (cur_fltr->fltr_act == ICE_FWD_TO_VSI ||
1822 cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST))
1823 return ICE_ERR_NOT_IMPL;
1824
1825 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
1826 /* Only one entry existed in the mapping and it was not already
1827 * a part of a VSI list. So, create a VSI list with the old and
1828 * new VSIs.
1829 */
1830 struct ice_fltr_info tmp_fltr;
1831 u16 vsi_handle_arr[2];
1832
1833 /* A rule already exists with the new VSI being added */
1834 if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id)
1835 return ICE_ERR_ALREADY_EXISTS;
1836
1837 vsi_handle_arr[0] = cur_fltr->vsi_handle;
1838 vsi_handle_arr[1] = new_fltr->vsi_handle;
1839 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
1840 &vsi_list_id,
1841 new_fltr->lkup_type);
1842 if (status)
1843 return status;
1844
1845 tmp_fltr = *new_fltr;
1846 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
1847 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
1848 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
1849 /* Update the previous switch rule of "MAC forward to VSI" to
1850 * "MAC fwd to VSI list"
1851 */
1852 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
1853 if (status)
1854 return status;
1855
1856 cur_fltr->fwd_id.vsi_list_id = vsi_list_id;
1857 cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
1858 m_entry->vsi_list_info =
1859 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
1860 vsi_list_id);
1861
1862 if (!m_entry->vsi_list_info)
1863 return ICE_ERR_NO_MEMORY;
1864
1865 /* If this entry was large action then the large action needs
1866 * to be updated to point to FWD to VSI list
1867 */
1868 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID)
1869 status =
1870 ice_add_marker_act(hw, m_entry,
1871 m_entry->sw_marker_id,
1872 m_entry->lg_act_idx);
1873 } else {
1874 u16 vsi_handle = new_fltr->vsi_handle;
1875 enum ice_adminq_opc opcode;
1876
1877 if (!m_entry->vsi_list_info)
1878 return ICE_ERR_CFG;
1879
1880 /* A rule already exists with the new VSI being added */
1881 if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle))
1882 return ICE_SUCCESS;
1883
1884 /* Update the previously created VSI list set with
1885 * the new VSI ID passed in
1886 */
1887 vsi_list_id = cur_fltr->fwd_id.vsi_list_id;
1888 opcode = ice_aqc_opc_update_sw_rules;
1889
1890 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
1891 vsi_list_id, false, opcode,
1892 new_fltr->lkup_type);
1893 /* update VSI list mapping info with new VSI ID */
1894 if (!status)
1895 ice_set_bit(vsi_handle,
1896 m_entry->vsi_list_info->vsi_map);
1897 }
1898 if (!status)
1899 m_entry->vsi_count++;
1900 return status;
1901 }
1902
1903 /**
1904 * ice_find_rule_entry - Search a rule entry
1905 * @list_head: head of rule list
1906 * @f_info: rule information
1907 *
1908 * Helper function to search for a given rule entry
1909 * Returns pointer to entry storing the rule if found
1910 */
1911 static struct ice_fltr_mgmt_list_entry *
1912 ice_find_rule_entry(struct LIST_HEAD_TYPE *list_head,
1913 struct ice_fltr_info *f_info)
1914 {
1915 struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL;
1916
1917 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
1918 list_entry) {
1919 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
1920 sizeof(f_info->l_data)) &&
1921 f_info->flag == list_itr->fltr_info.flag) {
1922 ret = list_itr;
1923 break;
1924 }
1925 }
1926 return ret;
1927 }
1928
1929 /**
1930 * ice_find_vsi_list_entry - Search VSI list map with VSI count 1
1931 * @recp_list: VSI lists needs to be searched
1932 * @vsi_handle: VSI handle to be found in VSI list
1933 * @vsi_list_id: VSI list ID found containing vsi_handle
1934 *
1935 * Helper function to search a VSI list with single entry containing given VSI
1936 * handle element. This can be extended further to search VSI list with more
1937 * than 1 vsi_count. Returns pointer to VSI list entry if found.
1938 */
1939 static struct ice_vsi_list_map_info *
1940 ice_find_vsi_list_entry(struct ice_sw_recipe *recp_list, u16 vsi_handle,
1941 u16 *vsi_list_id)
1942 {
1943 struct ice_vsi_list_map_info *map_info = NULL;
1944 struct LIST_HEAD_TYPE *list_head;
1945
1946 list_head = &recp_list->filt_rules;
1947 if (recp_list->adv_rule) {
1948 struct ice_adv_fltr_mgmt_list_entry *list_itr;
1949
1950 LIST_FOR_EACH_ENTRY(list_itr, list_head,
1951 ice_adv_fltr_mgmt_list_entry,
1952 list_entry) {
1953 if (list_itr->vsi_list_info) {
1954 map_info = list_itr->vsi_list_info;
1955 if (ice_is_bit_set(map_info->vsi_map,
1956 vsi_handle)) {
1957 *vsi_list_id = map_info->vsi_list_id;
1958 return map_info;
1959 }
1960 }
1961 }
1962 } else {
1963 struct ice_fltr_mgmt_list_entry *list_itr;
1964
1965 LIST_FOR_EACH_ENTRY(list_itr, list_head,
1966 ice_fltr_mgmt_list_entry,
1967 list_entry) {
1968 if (list_itr->vsi_count == 1 &&
1969 list_itr->vsi_list_info) {
1970 map_info = list_itr->vsi_list_info;
1971 if (ice_is_bit_set(map_info->vsi_map,
1972 vsi_handle)) {
1973 *vsi_list_id = map_info->vsi_list_id;
1974 return map_info;
1975 }
1976 }
1977 }
1978 }
1979 return NULL;
1980 }
1981
1982 /**
1983 * ice_add_rule_internal - add rule for a given lookup type
1984 * @hw: pointer to the hardware structure
1985 * @recp_list: recipe list for which rule has to be added
1986 * @lport: logic port number on which function add rule
1987 * @f_entry: structure containing MAC forwarding information
1988 *
1989 * Adds or updates the rule lists for a given recipe
1990 */
1991 static enum ice_status
1992 ice_add_rule_internal(struct ice_hw *hw, struct ice_sw_recipe *recp_list,
1993 u8 lport, struct ice_fltr_list_entry *f_entry)
1994 {
1995 struct ice_fltr_info *new_fltr, *cur_fltr;
1996 struct ice_fltr_mgmt_list_entry *m_entry;
1997 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
1998 enum ice_status status = ICE_SUCCESS;
1999
2000 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2001 return ICE_ERR_PARAM;
2002
2003 /* Load the hw_vsi_id only if the fwd action is fwd to VSI */
2004 if (f_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI)
2005 f_entry->fltr_info.fwd_id.hw_vsi_id =
2006 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2007
2008 rule_lock = &recp_list->filt_rule_lock;
2009
2010 ice_acquire_lock(rule_lock);
2011 new_fltr = &f_entry->fltr_info;
2012 if (new_fltr->flag & ICE_FLTR_RX)
2013 new_fltr->src = lport;
2014 else if (new_fltr->flag & ICE_FLTR_TX)
2015 new_fltr->src =
2016 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2017
2018 m_entry = ice_find_rule_entry(&recp_list->filt_rules, new_fltr);
2019 if (!m_entry) {
2020 status = ice_create_pkt_fwd_rule(hw, recp_list, f_entry);
2021 goto exit_add_rule_internal;
2022 }
2023
2024 cur_fltr = &m_entry->fltr_info;
2025 status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr);
2026
2027 exit_add_rule_internal:
2028 ice_release_lock(rule_lock);
2029 return status;
2030 }
2031
2032 /**
2033 * ice_remove_vsi_list_rule
2034 * @hw: pointer to the hardware structure
2035 * @vsi_list_id: VSI list ID generated as part of allocate resource
2036 * @lkup_type: switch rule filter lookup type
2037 *
2038 * The VSI list should be emptied before this function is called to remove the
2039 * VSI list.
2040 */
2041 static enum ice_status
2042 ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id,
2043 enum ice_sw_lkup_type lkup_type)
2044 {
2045 /* Free the vsi_list resource that we allocated. It is assumed that the
2046 * list is empty at this point.
2047 */
2048 return ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type,
2049 ice_aqc_opc_free_res);
2050 }
2051
2052 /**
2053 * ice_rem_update_vsi_list
2054 * @hw: pointer to the hardware structure
2055 * @vsi_handle: VSI handle of the VSI to remove
2056 * @fm_list: filter management entry for which the VSI list management needs to
2057 * be done
2058 */
2059 static enum ice_status
2060 ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
2061 struct ice_fltr_mgmt_list_entry *fm_list)
2062 {
2063 enum ice_sw_lkup_type lkup_type;
2064 enum ice_status status = ICE_SUCCESS;
2065 u16 vsi_list_id;
2066
2067 if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST ||
2068 fm_list->vsi_count == 0)
2069 return ICE_ERR_PARAM;
2070
2071 /* A rule with the VSI being removed does not exist */
2072 if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle))
2073 return ICE_ERR_DOES_NOT_EXIST;
2074
2075 lkup_type = fm_list->fltr_info.lkup_type;
2076 vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id;
2077 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
2078 ice_aqc_opc_update_sw_rules,
2079 lkup_type);
2080 if (status)
2081 return status;
2082
2083 fm_list->vsi_count--;
2084 ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
2085
2086 if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) {
2087 struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info;
2088 struct ice_vsi_list_map_info *vsi_list_info =
2089 fm_list->vsi_list_info;
2090 u16 rem_vsi_handle;
2091
2092 rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map,
2093 ICE_MAX_VSI);
2094 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
2095 return ICE_ERR_OUT_OF_RANGE;
2096
2097 /* Make sure VSI list is empty before removing it below */
2098 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
2099 vsi_list_id, true,
2100 ice_aqc_opc_update_sw_rules,
2101 lkup_type);
2102 if (status)
2103 return status;
2104
2105 tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI;
2106 tmp_fltr_info.fwd_id.hw_vsi_id =
2107 ice_get_hw_vsi_num(hw, rem_vsi_handle);
2108 tmp_fltr_info.vsi_handle = rem_vsi_handle;
2109 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info);
2110 if (status) {
2111 ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
2112 tmp_fltr_info.fwd_id.hw_vsi_id, status);
2113 return status;
2114 }
2115
2116 fm_list->fltr_info = tmp_fltr_info;
2117 }
2118
2119 if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) ||
2120 (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) {
2121 struct ice_vsi_list_map_info *vsi_list_info =
2122 fm_list->vsi_list_info;
2123
2124 /* Remove the VSI list since it is no longer used */
2125 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
2126 if (status) {
2127 ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n",
2128 vsi_list_id, status);
2129 return status;
2130 }
2131
2132 LIST_DEL(&vsi_list_info->list_entry);
2133 ice_free(hw, vsi_list_info);
2134 fm_list->vsi_list_info = NULL;
2135 }
2136
2137 return status;
2138 }
2139
2140 /**
2141 * ice_remove_rule_internal - Remove a filter rule of a given type
2142 *
2143 * @hw: pointer to the hardware structure
2144 * @recp_list: recipe list for which the rule needs to removed
2145 * @f_entry: rule entry containing filter information
2146 */
2147 static enum ice_status
2148 ice_remove_rule_internal(struct ice_hw *hw, struct ice_sw_recipe *recp_list,
2149 struct ice_fltr_list_entry *f_entry)
2150 {
2151 struct ice_fltr_mgmt_list_entry *list_elem;
2152 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2153 enum ice_status status = ICE_SUCCESS;
2154 bool remove_rule = false;
2155 u16 vsi_handle;
2156
2157 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2158 return ICE_ERR_PARAM;
2159 f_entry->fltr_info.fwd_id.hw_vsi_id =
2160 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2161
2162 rule_lock = &recp_list->filt_rule_lock;
2163 ice_acquire_lock(rule_lock);
2164 list_elem = ice_find_rule_entry(&recp_list->filt_rules,
2165 &f_entry->fltr_info);
2166 if (!list_elem) {
2167 status = ICE_ERR_DOES_NOT_EXIST;
2168 goto exit;
2169 }
2170
2171 if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) {
2172 remove_rule = true;
2173 } else if (!list_elem->vsi_list_info) {
2174 status = ICE_ERR_DOES_NOT_EXIST;
2175 goto exit;
2176 } else if (list_elem->vsi_list_info->ref_cnt > 1) {
2177 /* a ref_cnt > 1 indicates that the vsi_list is being
2178 * shared by multiple rules. Decrement the ref_cnt and
2179 * remove this rule, but do not modify the list, as it
2180 * is in-use by other rules.
2181 */
2182 list_elem->vsi_list_info->ref_cnt--;
2183 remove_rule = true;
2184 } else {
2185 /* a ref_cnt of 1 indicates the vsi_list is only used
2186 * by one rule. However, the original removal request is only
2187 * for a single VSI. Update the vsi_list first, and only
2188 * remove the rule if there are no further VSIs in this list.
2189 */
2190 vsi_handle = f_entry->fltr_info.vsi_handle;
2191 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem);
2192 if (status)
2193 goto exit;
2194 /* if VSI count goes to zero after updating the VSI list */
2195 if (list_elem->vsi_count == 0)
2196 remove_rule = true;
2197 }
2198
2199 if (remove_rule) {
2200 /* Remove the lookup rule */
2201 struct ice_aqc_sw_rules_elem *s_rule;
2202
2203 s_rule = (struct ice_aqc_sw_rules_elem *)
2204 ice_malloc(hw, ICE_SW_RULE_RX_TX_NO_HDR_SIZE);
2205 if (!s_rule) {
2206 status = ICE_ERR_NO_MEMORY;
2207 goto exit;
2208 }
2209
2210 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule,
2211 ice_aqc_opc_remove_sw_rules);
2212
2213 status = ice_aq_sw_rules(hw, s_rule,
2214 ICE_SW_RULE_RX_TX_NO_HDR_SIZE, 1,
2215 ice_aqc_opc_remove_sw_rules, NULL);
2216
2217 /* Remove a book keeping from the list */
2218 ice_free(hw, s_rule);
2219
2220 if (status)
2221 goto exit;
2222
2223 LIST_DEL(&list_elem->list_entry);
2224 ice_free(hw, list_elem);
2225 }
2226 exit:
2227 ice_release_lock(rule_lock);
2228 return status;
2229 }
2230
2231 /**
2232 * ice_aq_get_res_alloc - get allocated resources
2233 * @hw: pointer to the HW struct
2234 * @num_entries: pointer to u16 to store the number of resource entries returned
2235 * @buf: pointer to buffer
2236 * @buf_size: size of buf
2237 * @cd: pointer to command details structure or NULL
2238 *
2239 * The caller-supplied buffer must be large enough to store the resource
2240 * information for all resource types. Each resource type is an
2241 * ice_aqc_get_res_resp_elem structure.
2242 */
2243 enum ice_status
2244 ice_aq_get_res_alloc(struct ice_hw *hw, u16 *num_entries,
2245 struct ice_aqc_get_res_resp_elem *buf, u16 buf_size,
2246 struct ice_sq_cd *cd)
2247 {
2248 struct ice_aqc_get_res_alloc *resp;
2249 enum ice_status status;
2250 struct ice_aq_desc desc;
2251
2252 if (!buf)
2253 return ICE_ERR_BAD_PTR;
2254
2255 if (buf_size < ICE_AQ_GET_RES_ALLOC_BUF_LEN)
2256 return ICE_ERR_INVAL_SIZE;
2257
2258 resp = &desc.params.get_res;
2259
2260 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_res_alloc);
2261 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
2262
2263 if (!status && num_entries)
2264 *num_entries = LE16_TO_CPU(resp->resp_elem_num);
2265
2266 return status;
2267 }
2268
2269 /**
2270 * ice_aq_get_res_descs - get allocated resource descriptors
2271 * @hw: pointer to the hardware structure
2272 * @num_entries: number of resource entries in buffer
2273 * @buf: structure to hold response data buffer
2274 * @buf_size: size of buffer
2275 * @res_type: resource type
2276 * @res_shared: is resource shared
2277 * @desc_id: input - first desc ID to start; output - next desc ID
2278 * @cd: pointer to command details structure or NULL
2279 */
2280 enum ice_status
2281 ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries,
2282 struct ice_aqc_res_elem *buf, u16 buf_size, u16 res_type,
2283 bool res_shared, u16 *desc_id, struct ice_sq_cd *cd)
2284 {
2285 struct ice_aqc_get_allocd_res_desc *cmd;
2286 struct ice_aq_desc desc;
2287 enum ice_status status;
2288
2289 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
2290
2291 cmd = &desc.params.get_res_desc;
2292
2293 if (!buf)
2294 return ICE_ERR_PARAM;
2295
2296 if (buf_size != (num_entries * sizeof(*buf)))
2297 return ICE_ERR_PARAM;
2298
2299 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_allocd_res_desc);
2300
2301 cmd->ops.cmd.res = CPU_TO_LE16(((res_type << ICE_AQC_RES_TYPE_S) &
2302 ICE_AQC_RES_TYPE_M) | (res_shared ?
2303 ICE_AQC_RES_TYPE_FLAG_SHARED : 0));
2304 cmd->ops.cmd.first_desc = CPU_TO_LE16(*desc_id);
2305
2306 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
2307 if (!status)
2308 *desc_id = LE16_TO_CPU(cmd->ops.resp.next_desc);
2309
2310 return status;
2311 }
2312
2313 /**
2314 * ice_add_mac_rule - Add a MAC address based filter rule
2315 * @hw: pointer to the hardware structure
2316 * @m_list: list of MAC addresses and forwarding information
2317 * @sw: pointer to switch info struct for which function add rule
2318 * @lport: logic port number on which function add rule
2319 *
2320 * IMPORTANT: When the umac_shared flag is set to false and m_list has
2321 * multiple unicast addresses, the function assumes that all the
2322 * addresses are unique in a given add_mac call. It doesn't
2323 * check for duplicates in this case, removing duplicates from a given
2324 * list should be taken care of in the caller of this function.
2325 */
2326 static enum ice_status
2327 ice_add_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list,
2328 struct ice_switch_info *sw, u8 lport)
2329 {
2330 struct ice_sw_recipe *recp_list = &sw->recp_list[ICE_SW_LKUP_MAC];
2331 struct ice_aqc_sw_rules_elem *s_rule, *r_iter;
2332 struct ice_fltr_list_entry *m_list_itr;
2333 struct LIST_HEAD_TYPE *rule_head;
2334 u16 total_elem_left, s_rule_size;
2335 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2336 enum ice_status status = ICE_SUCCESS;
2337 u16 num_unicast = 0;
2338 u8 elem_sent;
2339
2340 s_rule = NULL;
2341 rule_lock = &recp_list->filt_rule_lock;
2342 rule_head = &recp_list->filt_rules;
2343
2344 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2345 list_entry) {
2346 u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0];
2347 u16 vsi_handle;
2348 u16 hw_vsi_id;
2349
2350 m_list_itr->fltr_info.flag = ICE_FLTR_TX;
2351 vsi_handle = m_list_itr->fltr_info.vsi_handle;
2352 if (!ice_is_vsi_valid(hw, vsi_handle))
2353 return ICE_ERR_PARAM;
2354 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
2355 m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id;
2356 /* update the src in case it is VSI num */
2357 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI)
2358 return ICE_ERR_PARAM;
2359 m_list_itr->fltr_info.src = hw_vsi_id;
2360 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC ||
2361 IS_ZERO_ETHER_ADDR(add))
2362 return ICE_ERR_PARAM;
2363 if (IS_UNICAST_ETHER_ADDR(add) && !hw->umac_shared) {
2364 /* Don't overwrite the unicast address */
2365 ice_acquire_lock(rule_lock);
2366 if (ice_find_rule_entry(rule_head,
2367 &m_list_itr->fltr_info)) {
2368 ice_release_lock(rule_lock);
2369 continue;
2370 }
2371 ice_release_lock(rule_lock);
2372 num_unicast++;
2373 } else if (IS_MULTICAST_ETHER_ADDR(add) ||
2374 (IS_UNICAST_ETHER_ADDR(add) && hw->umac_shared)) {
2375 m_list_itr->status =
2376 ice_add_rule_internal(hw, recp_list, lport,
2377 m_list_itr);
2378 if (m_list_itr->status)
2379 return m_list_itr->status;
2380 }
2381 }
2382
2383 ice_acquire_lock(rule_lock);
2384 /* Exit if no suitable entries were found for adding bulk switch rule */
2385 if (!num_unicast) {
2386 status = ICE_SUCCESS;
2387 goto ice_add_mac_exit;
2388 }
2389
2390 /* Allocate switch rule buffer for the bulk update for unicast */
2391 s_rule_size = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
2392 s_rule = (struct ice_aqc_sw_rules_elem *)
2393 ice_calloc(hw, num_unicast, s_rule_size);
2394 if (!s_rule) {
2395 status = ICE_ERR_NO_MEMORY;
2396 goto ice_add_mac_exit;
2397 }
2398
2399 r_iter = s_rule;
2400 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2401 list_entry) {
2402 struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
2403 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
2404
2405 if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
2406 ice_fill_sw_rule(hw, &m_list_itr->fltr_info, r_iter,
2407 ice_aqc_opc_add_sw_rules);
2408 r_iter = (struct ice_aqc_sw_rules_elem *)
2409 ((u8 *)r_iter + s_rule_size);
2410 }
2411 }
2412
2413 /* Call AQ bulk switch rule update for all unicast addresses */
2414 r_iter = s_rule;
2415 /* Call AQ switch rule in AQ_MAX chunk */
2416 for (total_elem_left = num_unicast; total_elem_left > 0;
2417 total_elem_left -= elem_sent) {
2418 struct ice_aqc_sw_rules_elem *entry = r_iter;
2419
2420 elem_sent = MIN_T(u8, total_elem_left,
2421 (ICE_AQ_MAX_BUF_LEN / s_rule_size));
2422 status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size,
2423 elem_sent, ice_aqc_opc_add_sw_rules,
2424 NULL);
2425 if (status)
2426 goto ice_add_mac_exit;
2427 r_iter = (struct ice_aqc_sw_rules_elem *)
2428 ((u8 *)r_iter + (elem_sent * s_rule_size));
2429 }
2430
2431 /* Fill up rule ID based on the value returned from FW */
2432 r_iter = s_rule;
2433 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2434 list_entry) {
2435 struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
2436 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
2437 struct ice_fltr_mgmt_list_entry *fm_entry;
2438
2439 if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
2440 f_info->fltr_rule_id =
2441 LE16_TO_CPU(r_iter->pdata.lkup_tx_rx.index);
2442 f_info->fltr_act = ICE_FWD_TO_VSI;
2443 /* Create an entry to track this MAC address */
2444 fm_entry = (struct ice_fltr_mgmt_list_entry *)
2445 ice_malloc(hw, sizeof(*fm_entry));
2446 if (!fm_entry) {
2447 status = ICE_ERR_NO_MEMORY;
2448 goto ice_add_mac_exit;
2449 }
2450 fm_entry->fltr_info = *f_info;
2451 fm_entry->vsi_count = 1;
2452 /* The book keeping entries will get removed when
2453 * base driver calls remove filter AQ command
2454 */
2455
2456 LIST_ADD(&fm_entry->list_entry, rule_head);
2457 r_iter = (struct ice_aqc_sw_rules_elem *)
2458 ((u8 *)r_iter + s_rule_size);
2459 }
2460 }
2461
2462 ice_add_mac_exit:
2463 ice_release_lock(rule_lock);
2464 if (s_rule)
2465 ice_free(hw, s_rule);
2466 return status;
2467 }
2468
2469 /**
2470 * ice_add_mac - Add a MAC address based filter rule
2471 * @hw: pointer to the hardware structure
2472 * @m_list: list of MAC addresses and forwarding information
2473 *
2474 * Function add MAC rule for logical port from HW struct
2475 */
2476 enum ice_status ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
2477 {
2478 if (!m_list || !hw)
2479 return ICE_ERR_PARAM;
2480
2481 return ice_add_mac_rule(hw, m_list, hw->switch_info,
2482 hw->port_info->lport);
2483 }
2484
2485 /**
2486 * ice_add_vlan_internal - Add one VLAN based filter rule
2487 * @hw: pointer to the hardware structure
2488 * @recp_list: recipe list for which rule has to be added
2489 * @f_entry: filter entry containing one VLAN information
2490 */
2491 static enum ice_status
2492 ice_add_vlan_internal(struct ice_hw *hw, struct ice_sw_recipe *recp_list,
2493 struct ice_fltr_list_entry *f_entry)
2494 {
2495 struct ice_fltr_mgmt_list_entry *v_list_itr;
2496 struct ice_fltr_info *new_fltr, *cur_fltr;
2497 enum ice_sw_lkup_type lkup_type;
2498 u16 vsi_list_id = 0, vsi_handle;
2499 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2500 enum ice_status status = ICE_SUCCESS;
2501
2502 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2503 return ICE_ERR_PARAM;
2504
2505 f_entry->fltr_info.fwd_id.hw_vsi_id =
2506 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2507 new_fltr = &f_entry->fltr_info;
2508
2509 /* VLAN ID should only be 12 bits */
2510 if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID)
2511 return ICE_ERR_PARAM;
2512
2513 if (new_fltr->src_id != ICE_SRC_ID_VSI)
2514 return ICE_ERR_PARAM;
2515
2516 new_fltr->src = new_fltr->fwd_id.hw_vsi_id;
2517 lkup_type = new_fltr->lkup_type;
2518 vsi_handle = new_fltr->vsi_handle;
2519 rule_lock = &recp_list->filt_rule_lock;
2520 ice_acquire_lock(rule_lock);
2521 v_list_itr = ice_find_rule_entry(&recp_list->filt_rules, new_fltr);
2522 if (!v_list_itr) {
2523 struct ice_vsi_list_map_info *map_info = NULL;
2524
2525 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) {
2526 /* All VLAN pruning rules use a VSI list. Check if
2527 * there is already a VSI list containing VSI that we
2528 * want to add. If found, use the same vsi_list_id for
2529 * this new VLAN rule or else create a new list.
2530 */
2531 map_info = ice_find_vsi_list_entry(recp_list,
2532 vsi_handle,
2533 &vsi_list_id);
2534 if (!map_info) {
2535 status = ice_create_vsi_list_rule(hw,
2536 &vsi_handle,
2537 1,
2538 &vsi_list_id,
2539 lkup_type);
2540 if (status)
2541 goto exit;
2542 }
2543 /* Convert the action to forwarding to a VSI list. */
2544 new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
2545 new_fltr->fwd_id.vsi_list_id = vsi_list_id;
2546 }
2547
2548 status = ice_create_pkt_fwd_rule(hw, recp_list, f_entry);
2549 if (!status) {
2550 v_list_itr = ice_find_rule_entry(&recp_list->filt_rules,
2551 new_fltr);
2552 if (!v_list_itr) {
2553 status = ICE_ERR_DOES_NOT_EXIST;
2554 goto exit;
2555 }
2556 /* reuse VSI list for new rule and increment ref_cnt */
2557 if (map_info) {
2558 v_list_itr->vsi_list_info = map_info;
2559 map_info->ref_cnt++;
2560 } else {
2561 v_list_itr->vsi_list_info =
2562 ice_create_vsi_list_map(hw, &vsi_handle,
2563 1, vsi_list_id);
2564 }
2565 }
2566 } else if (v_list_itr->vsi_list_info->ref_cnt == 1) {
2567 /* Update existing VSI list to add new VSI ID only if it used
2568 * by one VLAN rule.
2569 */
2570 cur_fltr = &v_list_itr->fltr_info;
2571 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr,
2572 new_fltr);
2573 } else {
2574 /* If VLAN rule exists and VSI list being used by this rule is
2575 * referenced by more than 1 VLAN rule. Then create a new VSI
2576 * list appending previous VSI with new VSI and update existing
2577 * VLAN rule to point to new VSI list ID
2578 */
2579 struct ice_fltr_info tmp_fltr;
2580 u16 vsi_handle_arr[2];
2581 u16 cur_handle;
2582
2583 /* Current implementation only supports reusing VSI list with
2584 * one VSI count. We should never hit below condition
2585 */
2586 if (v_list_itr->vsi_count > 1 &&
2587 v_list_itr->vsi_list_info->ref_cnt > 1) {
2588 ice_debug(hw, ICE_DBG_SW, "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n");
2589 status = ICE_ERR_CFG;
2590 goto exit;
2591 }
2592
2593 cur_handle =
2594 ice_find_first_bit(v_list_itr->vsi_list_info->vsi_map,
2595 ICE_MAX_VSI);
2596
2597 /* A rule already exists with the new VSI being added */
2598 if (cur_handle == vsi_handle) {
2599 status = ICE_ERR_ALREADY_EXISTS;
2600 goto exit;
2601 }
2602
2603 vsi_handle_arr[0] = cur_handle;
2604 vsi_handle_arr[1] = vsi_handle;
2605 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
2606 &vsi_list_id, lkup_type);
2607 if (status)
2608 goto exit;
2609
2610 tmp_fltr = v_list_itr->fltr_info;
2611 tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id;
2612 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
2613 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
2614 /* Update the previous switch rule to a new VSI list which
2615 * includes current VSI that is requested
2616 */
2617 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
2618 if (status)
2619 goto exit;
2620
2621 /* before overriding VSI list map info. decrement ref_cnt of
2622 * previous VSI list
2623 */
2624 v_list_itr->vsi_list_info->ref_cnt--;
2625
2626 /* now update to newly created list */
2627 v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id;
2628 v_list_itr->vsi_list_info =
2629 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
2630 vsi_list_id);
2631 v_list_itr->vsi_count++;
2632 }
2633
2634 exit:
2635 ice_release_lock(rule_lock);
2636 return status;
2637 }
2638
2639 /**
2640 * ice_add_vlan_rule - Add VLAN based filter rule
2641 * @hw: pointer to the hardware structure
2642 * @v_list: list of VLAN entries and forwarding information
2643 * @sw: pointer to switch info struct for which function add rule
2644 */
2645 static enum ice_status
2646 ice_add_vlan_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list,
2647 struct ice_switch_info *sw)
2648 {
2649 struct ice_fltr_list_entry *v_list_itr;
2650 struct ice_sw_recipe *recp_list;
2651
2652 recp_list = &sw->recp_list[ICE_SW_LKUP_VLAN];
2653 LIST_FOR_EACH_ENTRY(v_list_itr, v_list, ice_fltr_list_entry,
2654 list_entry) {
2655 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN)
2656 return ICE_ERR_PARAM;
2657 v_list_itr->fltr_info.flag = ICE_FLTR_TX;
2658 v_list_itr->status = ice_add_vlan_internal(hw, recp_list,
2659 v_list_itr);
2660 if (v_list_itr->status)
2661 return v_list_itr->status;
2662 }
2663 return ICE_SUCCESS;
2664 }
2665
2666 /**
2667 * ice_add_vlan - Add a VLAN based filter rule
2668 * @hw: pointer to the hardware structure
2669 * @v_list: list of VLAN and forwarding information
2670 *
2671 * Function add VLAN rule for logical port from HW struct
2672 */
2673 enum ice_status ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
2674 {
2675 if (!v_list || !hw)
2676 return ICE_ERR_PARAM;
2677
2678 return ice_add_vlan_rule(hw, v_list, hw->switch_info);
2679 }
2680
2681 /**
2682 * ice_add_eth_mac_rule - Add ethertype and MAC based filter rule
2683 * @hw: pointer to the hardware structure
2684 * @em_list: list of ether type MAC filter, MAC is optional
2685 * @sw: pointer to switch info struct for which function add rule
2686 * @lport: logic port number on which function add rule
2687 *
2688 * This function requires the caller to populate the entries in
2689 * the filter list with the necessary fields (including flags to
2690 * indicate Tx or Rx rules).
2691 */
2692 static enum ice_status
2693 ice_add_eth_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list,
2694 struct ice_switch_info *sw, u8 lport)
2695 {
2696 struct ice_fltr_list_entry *em_list_itr;
2697
2698 LIST_FOR_EACH_ENTRY(em_list_itr, em_list, ice_fltr_list_entry,
2699 list_entry) {
2700 struct ice_sw_recipe *recp_list;
2701 enum ice_sw_lkup_type l_type;
2702
2703 l_type = em_list_itr->fltr_info.lkup_type;
2704 recp_list = &sw->recp_list[l_type];
2705
2706 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
2707 l_type != ICE_SW_LKUP_ETHERTYPE)
2708 return ICE_ERR_PARAM;
2709
2710 em_list_itr->status = ice_add_rule_internal(hw, recp_list,
2711 lport,
2712 em_list_itr);
2713 if (em_list_itr->status)
2714 return em_list_itr->status;
2715 }
2716 return ICE_SUCCESS;
2717 }
2718
2719 /**
2720 * ice_add_eth_mac - Add a ethertype based filter rule
2721 * @hw: pointer to the hardware structure
2722 * @em_list: list of ethertype and forwarding information
2723 *
2724 * Function add ethertype rule for logical port from HW struct
2725 */
2726 enum ice_status
2727 ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
2728 {
2729 if (!em_list || !hw)
2730 return ICE_ERR_PARAM;
2731
2732 return ice_add_eth_mac_rule(hw, em_list, hw->switch_info,
2733 hw->port_info->lport);
2734 }
2735
2736 /**
2737 * ice_remove_eth_mac_rule - Remove an ethertype (or MAC) based filter rule
2738 * @hw: pointer to the hardware structure
2739 * @em_list: list of ethertype or ethertype MAC entries
2740 * @sw: pointer to switch info struct for which function add rule
2741 */
2742 static enum ice_status
2743 ice_remove_eth_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list,
2744 struct ice_switch_info *sw)
2745 {
2746 struct ice_fltr_list_entry *em_list_itr, *tmp;
2747
2748 LIST_FOR_EACH_ENTRY_SAFE(em_list_itr, tmp, em_list, ice_fltr_list_entry,
2749 list_entry) {
2750 struct ice_sw_recipe *recp_list;
2751 enum ice_sw_lkup_type l_type;
2752
2753 l_type = em_list_itr->fltr_info.lkup_type;
2754
2755 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
2756 l_type != ICE_SW_LKUP_ETHERTYPE)
2757 return ICE_ERR_PARAM;
2758
2759 recp_list = &sw->recp_list[l_type];
2760 em_list_itr->status = ice_remove_rule_internal(hw, recp_list,
2761 em_list_itr);
2762 if (em_list_itr->status)
2763 return em_list_itr->status;
2764 }
2765 return ICE_SUCCESS;
2766 }
2767
2768 /**
2769 * ice_remove_eth_mac - remove a ethertype based filter rule
2770 * @hw: pointer to the hardware structure
2771 * @em_list: list of ethertype and forwarding information
2772 *
2773 */
2774 enum ice_status
2775 ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
2776 {
2777 if (!em_list || !hw)
2778 return ICE_ERR_PARAM;
2779
2780 return ice_remove_eth_mac_rule(hw, em_list, hw->switch_info);
2781 }
2782
2783 /**
2784 * ice_rem_sw_rule_info
2785 * @hw: pointer to the hardware structure
2786 * @rule_head: pointer to the switch list structure that we want to delete
2787 */
2788 static void
2789 ice_rem_sw_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head)
2790 {
2791 if (!LIST_EMPTY(rule_head)) {
2792 struct ice_fltr_mgmt_list_entry *entry;
2793 struct ice_fltr_mgmt_list_entry *tmp;
2794
2795 LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, rule_head,
2796 ice_fltr_mgmt_list_entry, list_entry) {
2797 LIST_DEL(&entry->list_entry);
2798 ice_free(hw, entry);
2799 }
2800 }
2801 }
2802
2803 /**
2804 * ice_rem_all_sw_rules_info
2805 * @hw: pointer to the hardware structure
2806 */
2807 void ice_rem_all_sw_rules_info(struct ice_hw *hw)
2808 {
2809 struct ice_switch_info *sw = hw->switch_info;
2810 u8 i;
2811
2812 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
2813 struct LIST_HEAD_TYPE *rule_head;
2814
2815 rule_head = &sw->recp_list[i].filt_rules;
2816 if (!sw->recp_list[i].adv_rule)
2817 ice_rem_sw_rule_info(hw, rule_head);
2818 }
2819 }
2820
2821 /**
2822 * ice_cfg_dflt_vsi - change state of VSI to set/clear default
2823 * @pi: pointer to the port_info structure
2824 * @vsi_handle: VSI handle to set as default
2825 * @set: true to add the above mentioned switch rule, false to remove it
2826 * @direction: ICE_FLTR_RX or ICE_FLTR_TX
2827 *
2828 * add filter rule to set/unset given VSI as default VSI for the switch
2829 * (represented by swid)
2830 */
2831 enum ice_status
2832 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
2833 u8 direction)
2834 {
2835 struct ice_aqc_sw_rules_elem *s_rule;
2836 struct ice_fltr_info f_info;
2837 struct ice_hw *hw = pi->hw;
2838 enum ice_adminq_opc opcode;
2839 enum ice_status status;
2840 u16 s_rule_size;
2841 u16 hw_vsi_id;
2842
2843 if (!ice_is_vsi_valid(hw, vsi_handle))
2844 return ICE_ERR_PARAM;
2845 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
2846
2847 s_rule_size = set ? ICE_SW_RULE_RX_TX_ETH_HDR_SIZE :
2848 ICE_SW_RULE_RX_TX_NO_HDR_SIZE;
2849
2850 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
2851 if (!s_rule)
2852 return ICE_ERR_NO_MEMORY;
2853
2854 ice_memset(&f_info, 0, sizeof(f_info), ICE_NONDMA_MEM);
2855
2856 f_info.lkup_type = ICE_SW_LKUP_DFLT;
2857 f_info.flag = direction;
2858 f_info.fltr_act = ICE_FWD_TO_VSI;
2859 f_info.fwd_id.hw_vsi_id = hw_vsi_id;
2860
2861 if (f_info.flag & ICE_FLTR_RX) {
2862 f_info.src = pi->lport;
2863 f_info.src_id = ICE_SRC_ID_LPORT;
2864 if (!set)
2865 f_info.fltr_rule_id =
2866 pi->dflt_rx_vsi_rule_id;
2867 } else if (f_info.flag & ICE_FLTR_TX) {
2868 f_info.src_id = ICE_SRC_ID_VSI;
2869 f_info.src = hw_vsi_id;
2870 if (!set)
2871 f_info.fltr_rule_id =
2872 pi->dflt_tx_vsi_rule_id;
2873 }
2874
2875 if (set)
2876 opcode = ice_aqc_opc_add_sw_rules;
2877 else
2878 opcode = ice_aqc_opc_remove_sw_rules;
2879
2880 ice_fill_sw_rule(hw, &f_info, s_rule, opcode);
2881
2882 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opcode, NULL);
2883 if (status || !(f_info.flag & ICE_FLTR_TX_RX))
2884 goto out;
2885 if (set) {
2886 u16 index = LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
2887
2888 if (f_info.flag & ICE_FLTR_TX) {
2889 pi->dflt_tx_vsi_num = hw_vsi_id;
2890 pi->dflt_tx_vsi_rule_id = index;
2891 } else if (f_info.flag & ICE_FLTR_RX) {
2892 pi->dflt_rx_vsi_num = hw_vsi_id;
2893 pi->dflt_rx_vsi_rule_id = index;
2894 }
2895 } else {
2896 if (f_info.flag & ICE_FLTR_TX) {
2897 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL;
2898 pi->dflt_tx_vsi_rule_id = ICE_INVAL_ACT;
2899 } else if (f_info.flag & ICE_FLTR_RX) {
2900 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL;
2901 pi->dflt_rx_vsi_rule_id = ICE_INVAL_ACT;
2902 }
2903 }
2904
2905 out:
2906 ice_free(hw, s_rule);
2907 return status;
2908 }
2909
2910 /**
2911 * ice_find_ucast_rule_entry - Search for a unicast MAC filter rule entry
2912 * @list_head: head of rule list
2913 * @f_info: rule information
2914 *
2915 * Helper function to search for a unicast rule entry - this is to be used
2916 * to remove unicast MAC filter that is not shared with other VSIs on the
2917 * PF switch.
2918 *
2919 * Returns pointer to entry storing the rule if found
2920 */
2921 static struct ice_fltr_mgmt_list_entry *
2922 ice_find_ucast_rule_entry(struct LIST_HEAD_TYPE *list_head,
2923 struct ice_fltr_info *f_info)
2924 {
2925 struct ice_fltr_mgmt_list_entry *list_itr;
2926
2927 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
2928 list_entry) {
2929 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
2930 sizeof(f_info->l_data)) &&
2931 f_info->fwd_id.hw_vsi_id ==
2932 list_itr->fltr_info.fwd_id.hw_vsi_id &&
2933 f_info->flag == list_itr->fltr_info.flag)
2934 return list_itr;
2935 }
2936 return NULL;
2937 }
2938
2939 /**
2940 * ice_remove_mac_rule - remove a MAC based filter rule
2941 * @hw: pointer to the hardware structure
2942 * @m_list: list of MAC addresses and forwarding information
2943 * @recp_list: list from which function remove MAC address
2944 *
2945 * This function removes either a MAC filter rule or a specific VSI from a
2946 * VSI list for a multicast MAC address.
2947 *
2948 * Returns ICE_ERR_DOES_NOT_EXIST if a given entry was not added by
2949 * ice_add_mac. Caller should be aware that this call will only work if all
2950 * the entries passed into m_list were added previously. It will not attempt to
2951 * do a partial remove of entries that were found.
2952 */
2953 static enum ice_status
2954 ice_remove_mac_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list,
2955 struct ice_sw_recipe *recp_list)
2956 {
2957 struct ice_fltr_list_entry *list_itr, *tmp;
2958 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2959
2960 if (!m_list)
2961 return ICE_ERR_PARAM;
2962
2963 rule_lock = &recp_list->filt_rule_lock;
2964 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, m_list, ice_fltr_list_entry,
2965 list_entry) {
2966 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type;
2967 u8 *add = &list_itr->fltr_info.l_data.mac.mac_addr[0];
2968 u16 vsi_handle;
2969
2970 if (l_type != ICE_SW_LKUP_MAC)
2971 return ICE_ERR_PARAM;
2972
2973 vsi_handle = list_itr->fltr_info.vsi_handle;
2974 if (!ice_is_vsi_valid(hw, vsi_handle))
2975 return ICE_ERR_PARAM;
2976
2977 list_itr->fltr_info.fwd_id.hw_vsi_id =
2978 ice_get_hw_vsi_num(hw, vsi_handle);
2979 if (IS_UNICAST_ETHER_ADDR(add) && !hw->umac_shared) {
2980 /* Don't remove the unicast address that belongs to
2981 * another VSI on the switch, since it is not being
2982 * shared...
2983 */
2984 ice_acquire_lock(rule_lock);
2985 if (!ice_find_ucast_rule_entry(&recp_list->filt_rules,
2986 &list_itr->fltr_info)) {
2987 ice_release_lock(rule_lock);
2988 return ICE_ERR_DOES_NOT_EXIST;
2989 }
2990 ice_release_lock(rule_lock);
2991 }
2992 list_itr->status = ice_remove_rule_internal(hw, recp_list,
2993 list_itr);
2994 if (list_itr->status)
2995 return list_itr->status;
2996 }
2997 return ICE_SUCCESS;
2998 }
2999
3000 /**
3001 * ice_remove_mac - remove a MAC address based filter rule
3002 * @hw: pointer to the hardware structure
3003 * @m_list: list of MAC addresses and forwarding information
3004 *
3005 */
3006 enum ice_status ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
3007 {
3008 struct ice_sw_recipe *recp_list;
3009
3010 recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC];
3011 return ice_remove_mac_rule(hw, m_list, recp_list);
3012 }
3013
3014 /**
3015 * ice_remove_vlan_rule - Remove VLAN based filter rule
3016 * @hw: pointer to the hardware structure
3017 * @v_list: list of VLAN entries and forwarding information
3018 * @recp_list: list from which function remove VLAN
3019 */
3020 static enum ice_status
3021 ice_remove_vlan_rule(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list,
3022 struct ice_sw_recipe *recp_list)
3023 {
3024 struct ice_fltr_list_entry *v_list_itr, *tmp;
3025
3026 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3027 list_entry) {
3028 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
3029
3030 if (l_type != ICE_SW_LKUP_VLAN)
3031 return ICE_ERR_PARAM;
3032 v_list_itr->status = ice_remove_rule_internal(hw, recp_list,
3033 v_list_itr);
3034 if (v_list_itr->status)
3035 return v_list_itr->status;
3036 }
3037 return ICE_SUCCESS;
3038 }
3039
3040 /**
3041 * ice_remove_vlan - remove a VLAN address based filter rule
3042 * @hw: pointer to the hardware structure
3043 * @v_list: list of VLAN and forwarding information
3044 *
3045 */
3046 enum ice_status
3047 ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
3048 {
3049 struct ice_sw_recipe *recp_list;
3050
3051 if (!v_list || !hw)
3052 return ICE_ERR_PARAM;
3053
3054 recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_VLAN];
3055 return ice_remove_vlan_rule(hw, v_list, recp_list);
3056 }
3057
3058 /**
3059 * ice_vsi_uses_fltr - Determine if given VSI uses specified filter
3060 * @fm_entry: filter entry to inspect
3061 * @vsi_handle: VSI handle to compare with filter info
3062 */
3063 static bool
3064 ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle)
3065 {
3066 return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI &&
3067 fm_entry->fltr_info.vsi_handle == vsi_handle) ||
3068 (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST &&
3069 fm_entry->vsi_list_info &&
3070 (ice_is_bit_set(fm_entry->vsi_list_info->vsi_map,
3071 vsi_handle))));
3072 }
3073
3074 /**
3075 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list
3076 * @hw: pointer to the hardware structure
3077 * @vsi_handle: VSI handle to remove filters from
3078 * @vsi_list_head: pointer to the list to add entry to
3079 * @fi: pointer to fltr_info of filter entry to copy & add
3080 *
3081 * Helper function, used when creating a list of filters to remove from
3082 * a specific VSI. The entry added to vsi_list_head is a COPY of the
3083 * original filter entry, with the exception of fltr_info.fltr_act and
3084 * fltr_info.fwd_id fields. These are set such that later logic can
3085 * extract which VSI to remove the fltr from, and pass on that information.
3086 */
3087 static enum ice_status
3088 ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
3089 struct LIST_HEAD_TYPE *vsi_list_head,
3090 struct ice_fltr_info *fi)
3091 {
3092 struct ice_fltr_list_entry *tmp;
3093
3094 /* this memory is freed up in the caller function
3095 * once filters for this VSI are removed
3096 */
3097 tmp = (struct ice_fltr_list_entry *)ice_malloc(hw, sizeof(*tmp));
3098 if (!tmp)
3099 return ICE_ERR_NO_MEMORY;
3100
3101 tmp->fltr_info = *fi;
3102
3103 /* Overwrite these fields to indicate which VSI to remove filter from,
3104 * so find and remove logic can extract the information from the
3105 * list entries. Note that original entries will still have proper
3106 * values.
3107 */
3108 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
3109 tmp->fltr_info.vsi_handle = vsi_handle;
3110 tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3111
3112 LIST_ADD(&tmp->list_entry, vsi_list_head);
3113
3114 return ICE_SUCCESS;
3115 }
3116
3117 /**
3118 * ice_add_to_vsi_fltr_list - Add VSI filters to the list
3119 * @hw: pointer to the hardware structure
3120 * @vsi_handle: VSI handle to remove filters from
3121 * @lkup_list_head: pointer to the list that has certain lookup type filters
3122 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle
3123 *
3124 * Locates all filters in lkup_list_head that are used by the given VSI,
3125 * and adds COPIES of those entries to vsi_list_head (intended to be used
3126 * to remove the listed filters).
3127 * Note that this means all entries in vsi_list_head must be explicitly
3128 * deallocated by the caller when done with list.
3129 */
3130 static enum ice_status
3131 ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
3132 struct LIST_HEAD_TYPE *lkup_list_head,
3133 struct LIST_HEAD_TYPE *vsi_list_head)
3134 {
3135 struct ice_fltr_mgmt_list_entry *fm_entry;
3136 enum ice_status status = ICE_SUCCESS;
3137
3138 /* check to make sure VSI ID is valid and within boundary */
3139 if (!ice_is_vsi_valid(hw, vsi_handle))
3140 return ICE_ERR_PARAM;
3141
3142 LIST_FOR_EACH_ENTRY(fm_entry, lkup_list_head,
3143 ice_fltr_mgmt_list_entry, list_entry) {
3144 if (!ice_vsi_uses_fltr(fm_entry, vsi_handle))
3145 continue;
3146
3147 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
3148 vsi_list_head,
3149 &fm_entry->fltr_info);
3150 if (status)
3151 return status;
3152 }
3153 return status;
3154 }
3155
3156 /**
3157 * ice_determine_promisc_mask
3158 * @fi: filter info to parse
3159 *
3160 * Helper function to determine which ICE_PROMISC_ mask corresponds
3161 * to given filter into.
3162 */
3163 static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi)
3164 {
3165 u16 vid = fi->l_data.mac_vlan.vlan_id;
3166 u8 *macaddr = fi->l_data.mac.mac_addr;
3167 bool is_tx_fltr = false;
3168 u8 promisc_mask = 0;
3169
3170 if (fi->flag == ICE_FLTR_TX)
3171 is_tx_fltr = true;
3172
3173 if (IS_BROADCAST_ETHER_ADDR(macaddr))
3174 promisc_mask |= is_tx_fltr ?
3175 ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX;
3176 else if (IS_MULTICAST_ETHER_ADDR(macaddr))
3177 promisc_mask |= is_tx_fltr ?
3178 ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX;
3179 else if (IS_UNICAST_ETHER_ADDR(macaddr))
3180 promisc_mask |= is_tx_fltr ?
3181 ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX;
3182 if (vid)
3183 promisc_mask |= is_tx_fltr ?
3184 ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX;
3185
3186 return promisc_mask;
3187 }
3188
3189 /**
3190 * _ice_get_vsi_promisc - get promiscuous mode of given VSI
3191 * @hw: pointer to the hardware structure
3192 * @vsi_handle: VSI handle to retrieve info from
3193 * @promisc_mask: pointer to mask to be filled in
3194 * @vid: VLAN ID of promisc VLAN VSI
3195 * @sw: pointer to switch info struct for which function add rule
3196 * @lkup: switch rule filter lookup type
3197 */
3198 static enum ice_status
3199 _ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
3200 u16 *vid, struct ice_switch_info *sw,
3201 enum ice_sw_lkup_type lkup)
3202 {
3203 struct ice_fltr_mgmt_list_entry *itr;
3204 struct LIST_HEAD_TYPE *rule_head;
3205 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3206
3207 if (!ice_is_vsi_valid(hw, vsi_handle) ||
3208 (lkup != ICE_SW_LKUP_PROMISC && lkup != ICE_SW_LKUP_PROMISC_VLAN))
3209 return ICE_ERR_PARAM;
3210
3211 *vid = 0;
3212 *promisc_mask = 0;
3213 rule_head = &sw->recp_list[lkup].filt_rules;
3214 rule_lock = &sw->recp_list[lkup].filt_rule_lock;
3215
3216 ice_acquire_lock(rule_lock);
3217 LIST_FOR_EACH_ENTRY(itr, rule_head,
3218 ice_fltr_mgmt_list_entry, list_entry) {
3219 /* Continue if this filter doesn't apply to this VSI or the
3220 * VSI ID is not in the VSI map for this filter
3221 */
3222 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3223 continue;
3224
3225 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
3226 }
3227 ice_release_lock(rule_lock);
3228
3229 return ICE_SUCCESS;
3230 }
3231
3232 /**
3233 * ice_get_vsi_promisc - get promiscuous mode of given VSI
3234 * @hw: pointer to the hardware structure
3235 * @vsi_handle: VSI handle to retrieve info from
3236 * @promisc_mask: pointer to mask to be filled in
3237 * @vid: VLAN ID of promisc VLAN VSI
3238 */
3239 enum ice_status
3240 ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
3241 u16 *vid)
3242 {
3243 return _ice_get_vsi_promisc(hw, vsi_handle, promisc_mask,
3244 vid, hw->switch_info, ICE_SW_LKUP_PROMISC);
3245 }
3246
3247 /**
3248 * ice_get_vsi_vlan_promisc - get VLAN promiscuous mode of given VSI
3249 * @hw: pointer to the hardware structure
3250 * @vsi_handle: VSI handle to retrieve info from
3251 * @promisc_mask: pointer to mask to be filled in
3252 * @vid: VLAN ID of promisc VLAN VSI
3253 */
3254 enum ice_status
3255 ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
3256 u16 *vid)
3257 {
3258 return _ice_get_vsi_promisc(hw, vsi_handle, promisc_mask,
3259 vid, hw->switch_info,
3260 ICE_SW_LKUP_PROMISC_VLAN);
3261 }
3262
3263 /**
3264 * ice_remove_promisc - Remove promisc based filter rules
3265 * @hw: pointer to the hardware structure
3266 * @recp_id: recipe ID for which the rule needs to removed
3267 * @v_list: list of promisc entries
3268 */
3269 static enum ice_status
3270 ice_remove_promisc(struct ice_hw *hw, u8 recp_id,
3271 struct LIST_HEAD_TYPE *v_list)
3272 {
3273 struct ice_fltr_list_entry *v_list_itr, *tmp;
3274 struct ice_sw_recipe *recp_list;
3275
3276 recp_list = &hw->switch_info->recp_list[recp_id];
3277 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3278 list_entry) {
3279 v_list_itr->status =
3280 ice_remove_rule_internal(hw, recp_list, v_list_itr);
3281 if (v_list_itr->status)
3282 return v_list_itr->status;
3283 }
3284 return ICE_SUCCESS;
3285 }
3286
3287 /**
3288 * _ice_clear_vsi_promisc - clear specified promiscuous mode(s)
3289 * @hw: pointer to the hardware structure
3290 * @vsi_handle: VSI handle to clear mode
3291 * @promisc_mask: mask of promiscuous config bits to clear
3292 * @vid: VLAN ID to clear VLAN promiscuous
3293 * @sw: pointer to switch info struct for which function add rule
3294 */
3295 static enum ice_status
3296 _ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3297 u16 vid, struct ice_switch_info *sw)
3298 {
3299 struct ice_fltr_list_entry *fm_entry, *tmp;
3300 struct LIST_HEAD_TYPE remove_list_head;
3301 struct ice_fltr_mgmt_list_entry *itr;
3302 struct LIST_HEAD_TYPE *rule_head;
3303 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3304 enum ice_status status = ICE_SUCCESS;
3305 u8 recipe_id;
3306
3307 if (!ice_is_vsi_valid(hw, vsi_handle))
3308 return ICE_ERR_PARAM;
3309
3310 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX))
3311 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
3312 else
3313 recipe_id = ICE_SW_LKUP_PROMISC;
3314
3315 rule_head = &sw->recp_list[recipe_id].filt_rules;
3316 rule_lock = &sw->recp_list[recipe_id].filt_rule_lock;
3317
3318 INIT_LIST_HEAD(&remove_list_head);
3319
3320 ice_acquire_lock(rule_lock);
3321 LIST_FOR_EACH_ENTRY(itr, rule_head,
3322 ice_fltr_mgmt_list_entry, list_entry) {
3323 struct ice_fltr_info *fltr_info;
3324 u8 fltr_promisc_mask = 0;
3325
3326 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3327 continue;
3328 fltr_info = &itr->fltr_info;
3329
3330 if (recipe_id == ICE_SW_LKUP_PROMISC_VLAN &&
3331 vid != fltr_info->l_data.mac_vlan.vlan_id)
3332 continue;
3333
3334 fltr_promisc_mask |= ice_determine_promisc_mask(fltr_info);
3335
3336 /* Skip if filter is not completely specified by given mask */
3337 if (fltr_promisc_mask & ~promisc_mask)
3338 continue;
3339
3340 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
3341 &remove_list_head,
3342 fltr_info);
3343 if (status) {
3344 ice_release_lock(rule_lock);
3345 goto free_fltr_list;
3346 }
3347 }
3348 ice_release_lock(rule_lock);
3349
3350 status = ice_remove_promisc(hw, recipe_id, &remove_list_head);
3351
3352 free_fltr_list:
3353 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
3354 ice_fltr_list_entry, list_entry) {
3355 LIST_DEL(&fm_entry->list_entry);
3356 ice_free(hw, fm_entry);
3357 }
3358
3359 return status;
3360 }
3361
3362 /**
3363 * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI
3364 * @hw: pointer to the hardware structure
3365 * @vsi_handle: VSI handle to clear mode
3366 * @promisc_mask: mask of promiscuous config bits to clear
3367 * @vid: VLAN ID to clear VLAN promiscuous
3368 */
3369 enum ice_status
3370 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle,
3371 u8 promisc_mask, u16 vid)
3372 {
3373 return _ice_clear_vsi_promisc(hw, vsi_handle, promisc_mask,
3374 vid, hw->switch_info);
3375 }
3376
3377 /**
3378 * _ice_set_vsi_promisc - set given VSI to given promiscuous mode(s)
3379 * @hw: pointer to the hardware structure
3380 * @vsi_handle: VSI handle to configure
3381 * @promisc_mask: mask of promiscuous config bits
3382 * @vid: VLAN ID to set VLAN promiscuous
3383 * @lport: logical port number to configure promisc mode
3384 * @sw: pointer to switch info struct for which function add rule
3385 */
3386 static enum ice_status
3387 _ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3388 u16 vid, u8 lport, struct ice_switch_info *sw)
3389 {
3390 enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR };
3391 struct ice_fltr_list_entry f_list_entry;
3392 struct ice_fltr_info new_fltr;
3393 enum ice_status status = ICE_SUCCESS;
3394 bool is_tx_fltr;
3395 u16 hw_vsi_id;
3396 int pkt_type;
3397 u8 recipe_id;
3398
3399 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
3400
3401 if (!ice_is_vsi_valid(hw, vsi_handle))
3402 return ICE_ERR_PARAM;
3403 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3404
3405 ice_memset(&new_fltr, 0, sizeof(new_fltr), ICE_NONDMA_MEM);
3406
3407 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) {
3408 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN;
3409 new_fltr.l_data.mac_vlan.vlan_id = vid;
3410 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
3411 } else {
3412 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC;
3413 recipe_id = ICE_SW_LKUP_PROMISC;
3414 }
3415
3416 /* Separate filters must be set for each direction/packet type
3417 * combination, so we will loop over the mask value, store the
3418 * individual type, and clear it out in the input mask as it
3419 * is found.
3420 */
3421 while (promisc_mask) {
3422 struct ice_sw_recipe *recp_list;
3423 u8 *mac_addr;
3424
3425 pkt_type = 0;
3426 is_tx_fltr = false;
3427
3428 if (promisc_mask & ICE_PROMISC_UCAST_RX) {
3429 promisc_mask &= ~ICE_PROMISC_UCAST_RX;
3430 pkt_type = UCAST_FLTR;
3431 } else if (promisc_mask & ICE_PROMISC_UCAST_TX) {
3432 promisc_mask &= ~ICE_PROMISC_UCAST_TX;
3433 pkt_type = UCAST_FLTR;
3434 is_tx_fltr = true;
3435 } else if (promisc_mask & ICE_PROMISC_MCAST_RX) {
3436 promisc_mask &= ~ICE_PROMISC_MCAST_RX;
3437 pkt_type = MCAST_FLTR;
3438 } else if (promisc_mask & ICE_PROMISC_MCAST_TX) {
3439 promisc_mask &= ~ICE_PROMISC_MCAST_TX;
3440 pkt_type = MCAST_FLTR;
3441 is_tx_fltr = true;
3442 } else if (promisc_mask & ICE_PROMISC_BCAST_RX) {
3443 promisc_mask &= ~ICE_PROMISC_BCAST_RX;
3444 pkt_type = BCAST_FLTR;
3445 } else if (promisc_mask & ICE_PROMISC_BCAST_TX) {
3446 promisc_mask &= ~ICE_PROMISC_BCAST_TX;
3447 pkt_type = BCAST_FLTR;
3448 is_tx_fltr = true;
3449 }
3450
3451 /* Check for VLAN promiscuous flag */
3452 if (promisc_mask & ICE_PROMISC_VLAN_RX) {
3453 promisc_mask &= ~ICE_PROMISC_VLAN_RX;
3454 } else if (promisc_mask & ICE_PROMISC_VLAN_TX) {
3455 promisc_mask &= ~ICE_PROMISC_VLAN_TX;
3456 is_tx_fltr = true;
3457 }
3458
3459 /* Set filter DA based on packet type */
3460 mac_addr = new_fltr.l_data.mac.mac_addr;
3461 if (pkt_type == BCAST_FLTR) {
3462 ice_memset(mac_addr, 0xff, ETH_ALEN, ICE_NONDMA_MEM);
3463 } else if (pkt_type == MCAST_FLTR ||
3464 pkt_type == UCAST_FLTR) {
3465 /* Use the dummy ether header DA */
3466 ice_memcpy(mac_addr, dummy_eth_header, ETH_ALEN,
3467 ICE_NONDMA_TO_NONDMA);
3468 if (pkt_type == MCAST_FLTR)
3469 mac_addr[0] |= 0x1; /* Set multicast bit */
3470 }
3471
3472 /* Need to reset this to zero for all iterations */
3473 new_fltr.flag = 0;
3474 if (is_tx_fltr) {
3475 new_fltr.flag |= ICE_FLTR_TX;
3476 new_fltr.src = hw_vsi_id;
3477 } else {
3478 new_fltr.flag |= ICE_FLTR_RX;
3479 new_fltr.src = lport;
3480 }
3481
3482 new_fltr.fltr_act = ICE_FWD_TO_VSI;
3483 new_fltr.vsi_handle = vsi_handle;
3484 new_fltr.fwd_id.hw_vsi_id = hw_vsi_id;
3485 f_list_entry.fltr_info = new_fltr;
3486 recp_list = &sw->recp_list[recipe_id];
3487
3488 status = ice_add_rule_internal(hw, recp_list, lport,
3489 &f_list_entry);
3490 if (status != ICE_SUCCESS)
3491 goto set_promisc_exit;
3492 }
3493
3494 set_promisc_exit:
3495 return status;
3496 }
3497
3498 /**
3499 * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s)
3500 * @hw: pointer to the hardware structure
3501 * @vsi_handle: VSI handle to configure
3502 * @promisc_mask: mask of promiscuous config bits
3503 * @vid: VLAN ID to set VLAN promiscuous
3504 */
3505 enum ice_status
3506 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3507 u16 vid)
3508 {
3509 return _ice_set_vsi_promisc(hw, vsi_handle, promisc_mask, vid,
3510 hw->port_info->lport,
3511 hw->switch_info);
3512 }
3513
3514 /**
3515 * _ice_set_vlan_vsi_promisc
3516 * @hw: pointer to the hardware structure
3517 * @vsi_handle: VSI handle to configure
3518 * @promisc_mask: mask of promiscuous config bits
3519 * @rm_vlan_promisc: Clear VLANs VSI promisc mode
3520 * @lport: logical port number to configure promisc mode
3521 * @sw: pointer to switch info struct for which function add rule
3522 *
3523 * Configure VSI with all associated VLANs to given promiscuous mode(s)
3524 */
3525 static enum ice_status
3526 _ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3527 bool rm_vlan_promisc, u8 lport,
3528 struct ice_switch_info *sw)
3529 {
3530 struct ice_fltr_list_entry *list_itr, *tmp;
3531 struct LIST_HEAD_TYPE vsi_list_head;
3532 struct LIST_HEAD_TYPE *vlan_head;
3533 struct ice_lock *vlan_lock; /* Lock to protect filter rule list */
3534 enum ice_status status;
3535 u16 vlan_id;
3536
3537 INIT_LIST_HEAD(&vsi_list_head);
3538 vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
3539 vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules;
3540 ice_acquire_lock(vlan_lock);
3541 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head,
3542 &vsi_list_head);
3543 ice_release_lock(vlan_lock);
3544 if (status)
3545 goto free_fltr_list;
3546
3547 LIST_FOR_EACH_ENTRY(list_itr, &vsi_list_head, ice_fltr_list_entry,
3548 list_entry) {
3549 vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id;
3550 if (rm_vlan_promisc)
3551 status = _ice_clear_vsi_promisc(hw, vsi_handle,
3552 promisc_mask,
3553 vlan_id, sw);
3554 else
3555 status = _ice_set_vsi_promisc(hw, vsi_handle,
3556 promisc_mask, vlan_id,
3557 lport, sw);
3558 if (status)
3559 break;
3560 }
3561
3562 free_fltr_list:
3563 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, &vsi_list_head,
3564 ice_fltr_list_entry, list_entry) {
3565 LIST_DEL(&list_itr->list_entry);
3566 ice_free(hw, list_itr);
3567 }
3568 return status;
3569 }
3570
3571 /**
3572 * ice_set_vlan_vsi_promisc
3573 * @hw: pointer to the hardware structure
3574 * @vsi_handle: VSI handle to configure
3575 * @promisc_mask: mask of promiscuous config bits
3576 * @rm_vlan_promisc: Clear VLANs VSI promisc mode
3577 *
3578 * Configure VSI with all associated VLANs to given promiscuous mode(s)
3579 */
3580 enum ice_status
3581 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3582 bool rm_vlan_promisc)
3583 {
3584 return _ice_set_vlan_vsi_promisc(hw, vsi_handle, promisc_mask,
3585 rm_vlan_promisc, hw->port_info->lport,
3586 hw->switch_info);
3587 }
3588
3589 /**
3590 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI
3591 * @hw: pointer to the hardware structure
3592 * @vsi_handle: VSI handle to remove filters from
3593 * @recp_list: recipe list from which function remove fltr
3594 * @lkup: switch rule filter lookup type
3595 */
3596 static void
3597 ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle,
3598 struct ice_sw_recipe *recp_list,
3599 enum ice_sw_lkup_type lkup)
3600 {
3601 struct ice_fltr_list_entry *fm_entry;
3602 struct LIST_HEAD_TYPE remove_list_head;
3603 struct LIST_HEAD_TYPE *rule_head;
3604 struct ice_fltr_list_entry *tmp;
3605 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3606 enum ice_status status;
3607
3608 INIT_LIST_HEAD(&remove_list_head);
3609 rule_lock = &recp_list[lkup].filt_rule_lock;
3610 rule_head = &recp_list[lkup].filt_rules;
3611 ice_acquire_lock(rule_lock);
3612 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head,
3613 &remove_list_head);
3614 ice_release_lock(rule_lock);
3615 if (status)
3616 goto free_fltr_list;
3617
3618 switch (lkup) {
3619 case ICE_SW_LKUP_MAC:
3620 ice_remove_mac_rule(hw, &remove_list_head, &recp_list[lkup]);
3621 break;
3622 case ICE_SW_LKUP_VLAN:
3623 ice_remove_vlan_rule(hw, &remove_list_head, &recp_list[lkup]);
3624 break;
3625 case ICE_SW_LKUP_PROMISC:
3626 case ICE_SW_LKUP_PROMISC_VLAN:
3627 ice_remove_promisc(hw, lkup, &remove_list_head);
3628 break;
3629 case ICE_SW_LKUP_MAC_VLAN:
3630 ice_debug(hw, ICE_DBG_SW, "MAC VLAN look up is not supported yet\n");
3631 break;
3632 case ICE_SW_LKUP_ETHERTYPE:
3633 case ICE_SW_LKUP_ETHERTYPE_MAC:
3634 ice_remove_eth_mac(hw, &remove_list_head);
3635 break;
3636 case ICE_SW_LKUP_DFLT:
3637 ice_debug(hw, ICE_DBG_SW, "Remove filters for this lookup type hasn't been implemented yet\n");
3638 break;
3639 case ICE_SW_LKUP_LAST:
3640 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type\n");
3641 break;
3642 }
3643
3644 free_fltr_list:
3645 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
3646 ice_fltr_list_entry, list_entry) {
3647 LIST_DEL(&fm_entry->list_entry);
3648 ice_free(hw, fm_entry);
3649 }
3650 }
3651
3652 /**
3653 * ice_remove_vsi_fltr_rule - Remove all filters for a VSI
3654 * @hw: pointer to the hardware structure
3655 * @vsi_handle: VSI handle to remove filters from
3656 * @sw: pointer to switch info struct
3657 */
3658 static void
3659 ice_remove_vsi_fltr_rule(struct ice_hw *hw, u16 vsi_handle,
3660 struct ice_switch_info *sw)
3661 {
3662 ice_debug(hw, ICE_DBG_TRACE, "%s\n", __func__);
3663
3664 ice_remove_vsi_lkup_fltr(hw, vsi_handle,
3665 sw->recp_list, ICE_SW_LKUP_MAC);
3666 ice_remove_vsi_lkup_fltr(hw, vsi_handle,
3667 sw->recp_list, ICE_SW_LKUP_MAC_VLAN);
3668 ice_remove_vsi_lkup_fltr(hw, vsi_handle,
3669 sw->recp_list, ICE_SW_LKUP_PROMISC);
3670 ice_remove_vsi_lkup_fltr(hw, vsi_handle,
3671 sw->recp_list, ICE_SW_LKUP_VLAN);
3672 ice_remove_vsi_lkup_fltr(hw, vsi_handle,
3673 sw->recp_list, ICE_SW_LKUP_DFLT);
3674 ice_remove_vsi_lkup_fltr(hw, vsi_handle,
3675 sw->recp_list, ICE_SW_LKUP_ETHERTYPE);
3676 ice_remove_vsi_lkup_fltr(hw, vsi_handle,
3677 sw->recp_list, ICE_SW_LKUP_ETHERTYPE_MAC);
3678 ice_remove_vsi_lkup_fltr(hw, vsi_handle,
3679 sw->recp_list, ICE_SW_LKUP_PROMISC_VLAN);
3680 }
3681
3682 /**
3683 * ice_remove_vsi_fltr - Remove all filters for a VSI
3684 * @hw: pointer to the hardware structure
3685 * @vsi_handle: VSI handle to remove filters from
3686 */
3687 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle)
3688 {
3689 ice_remove_vsi_fltr_rule(hw, vsi_handle, hw->switch_info);
3690 }
3691
3692 /**
3693 * ice_alloc_res_cntr - allocating resource counter
3694 * @hw: pointer to the hardware structure
3695 * @type: type of resource
3696 * @alloc_shared: if set it is shared else dedicated
3697 * @num_items: number of entries requested for FD resource type
3698 * @counter_id: counter index returned by AQ call
3699 */
3700 static enum ice_status
3701 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
3702 u16 *counter_id)
3703 {
3704 struct ice_aqc_alloc_free_res_elem *buf;
3705 enum ice_status status;
3706 u16 buf_len;
3707
3708 /* Allocate resource */
3709 buf_len = ice_struct_size(buf, elem, 1);
3710 buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
3711 if (!buf)
3712 return ICE_ERR_NO_MEMORY;
3713
3714 buf->num_elems = CPU_TO_LE16(num_items);
3715 buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
3716 ICE_AQC_RES_TYPE_M) | alloc_shared);
3717
3718 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
3719 ice_aqc_opc_alloc_res, NULL);
3720 if (status)
3721 goto exit;
3722
3723 *counter_id = LE16_TO_CPU(buf->elem[0].e.sw_resp);
3724
3725 exit:
3726 ice_free(hw, buf);
3727 return status;
3728 }
3729
3730 /**
3731 * ice_free_res_cntr - free resource counter
3732 * @hw: pointer to the hardware structure
3733 * @type: type of resource
3734 * @alloc_shared: if set it is shared else dedicated
3735 * @num_items: number of entries to be freed for FD resource type
3736 * @counter_id: counter ID resource which needs to be freed
3737 */
3738 static enum ice_status
3739 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
3740 u16 counter_id)
3741 {
3742 struct ice_aqc_alloc_free_res_elem *buf;
3743 enum ice_status status;
3744 u16 buf_len;
3745
3746 /* Free resource */
3747 buf_len = ice_struct_size(buf, elem, 1);
3748 buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
3749 if (!buf)
3750 return ICE_ERR_NO_MEMORY;
3751
3752 buf->num_elems = CPU_TO_LE16(num_items);
3753 buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
3754 ICE_AQC_RES_TYPE_M) | alloc_shared);
3755 buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);
3756
3757 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
3758 ice_aqc_opc_free_res, NULL);
3759 if (status)
3760 ice_debug(hw, ICE_DBG_SW, "counter resource could not be freed\n");
3761
3762 ice_free(hw, buf);
3763 return status;
3764 }
3765
3766 /**
3767 * ice_alloc_vlan_res_counter - obtain counter resource for VLAN type
3768 * @hw: pointer to the hardware structure
3769 * @counter_id: returns counter index
3770 */
3771 enum ice_status ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id)
3772 {
3773 return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
3774 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
3775 counter_id);
3776 }
3777
3778 /**
3779 * ice_free_vlan_res_counter - Free counter resource for VLAN type
3780 * @hw: pointer to the hardware structure
3781 * @counter_id: counter index to be freed
3782 */
3783 enum ice_status ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id)
3784 {
3785 return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
3786 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
3787 counter_id);
3788 }
3789
3790 /**
3791 * ice_alloc_res_lg_act - add large action resource
3792 * @hw: pointer to the hardware structure
3793 * @l_id: large action ID to fill it in
3794 * @num_acts: number of actions to hold with a large action entry
3795 */
3796 static enum ice_status
3797 ice_alloc_res_lg_act(struct ice_hw *hw, u16 *l_id, u16 num_acts)
3798 {
3799 struct ice_aqc_alloc_free_res_elem *sw_buf;
3800 enum ice_status status;
3801 u16 buf_len;
3802
3803 if (num_acts > ICE_MAX_LG_ACT || num_acts == 0)
3804 return ICE_ERR_PARAM;
3805
3806 /* Allocate resource for large action */
3807 buf_len = ice_struct_size(sw_buf, elem, 1);
3808 sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
3809 if (!sw_buf)
3810 return ICE_ERR_NO_MEMORY;
3811
3812 sw_buf->num_elems = CPU_TO_LE16(1);
3813
3814 /* If num_acts is 1, use ICE_AQC_RES_TYPE_WIDE_TABLE_1.
3815 * If num_acts is 2, use ICE_AQC_RES_TYPE_WIDE_TABLE_3.
3816 * If num_acts is greater than 2, then use
3817 * ICE_AQC_RES_TYPE_WIDE_TABLE_4.
3818 * The num_acts cannot exceed 4. This was ensured at the
3819 * beginning of the function.
3820 */
3821 if (num_acts == 1)
3822 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_1);
3823 else if (num_acts == 2)
3824 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_2);
3825 else
3826 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_4);
3827
3828 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
3829 ice_aqc_opc_alloc_res, NULL);
3830 if (!status)
3831 *l_id = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);
3832
3833 ice_free(hw, sw_buf);
3834 return status;
3835 }
3836
3837 /**
3838 * ice_add_mac_with_sw_marker - add filter with sw marker
3839 * @hw: pointer to the hardware structure
3840 * @f_info: filter info structure containing the MAC filter information
3841 * @sw_marker: sw marker to tag the Rx descriptor with
3842 */
3843 enum ice_status
3844 ice_add_mac_with_sw_marker(struct ice_hw *hw, struct ice_fltr_info *f_info,
3845 u16 sw_marker)
3846 {
3847 struct ice_fltr_mgmt_list_entry *m_entry;
3848 struct ice_fltr_list_entry fl_info;
3849 struct ice_sw_recipe *recp_list;
3850 struct LIST_HEAD_TYPE l_head;
3851 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3852 enum ice_status ret;
3853 bool entry_exists;
3854 u16 lg_act_id;
3855
3856 if (f_info->fltr_act != ICE_FWD_TO_VSI)
3857 return ICE_ERR_PARAM;
3858
3859 if (f_info->lkup_type != ICE_SW_LKUP_MAC)
3860 return ICE_ERR_PARAM;
3861
3862 if (sw_marker == ICE_INVAL_SW_MARKER_ID)
3863 return ICE_ERR_PARAM;
3864
3865 if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
3866 return ICE_ERR_PARAM;
3867 f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);
3868
3869 /* Add filter if it doesn't exist so then the adding of large
3870 * action always results in update
3871 */
3872
3873 INIT_LIST_HEAD(&l_head);
3874 fl_info.fltr_info = *f_info;
3875 LIST_ADD(&fl_info.list_entry, &l_head);
3876
3877 entry_exists = false;
3878 ret = ice_add_mac_rule(hw, &l_head, hw->switch_info,
3879 hw->port_info->lport);
3880 if (ret == ICE_ERR_ALREADY_EXISTS)
3881 entry_exists = true;
3882 else if (ret)
3883 return ret;
3884
3885 recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC];
3886 rule_lock = &recp_list->filt_rule_lock;
3887 ice_acquire_lock(rule_lock);
3888 /* Get the book keeping entry for the filter */
3889 m_entry = ice_find_rule_entry(&recp_list->filt_rules, f_info);
3890 if (!m_entry)
3891 goto exit_error;
3892
3893 /* If counter action was enabled for this rule then don't enable
3894 * sw marker large action
3895 */
3896 if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
3897 ret = ICE_ERR_PARAM;
3898 goto exit_error;
3899 }
3900
3901 /* if same marker was added before */
3902 if (m_entry->sw_marker_id == sw_marker) {
3903 ret = ICE_ERR_ALREADY_EXISTS;
3904 goto exit_error;
3905 }
3906
3907 /* Allocate a hardware table entry to hold large act. Three actions
3908 * for marker based large action
3909 */
3910 ret = ice_alloc_res_lg_act(hw, &lg_act_id, 3);
3911 if (ret)
3912 goto exit_error;
3913
3914 if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
3915 goto exit_error;
3916
3917 /* Update the switch rule to add the marker action */
3918 ret = ice_add_marker_act(hw, m_entry, sw_marker, lg_act_id);
3919 if (!ret) {
3920 ice_release_lock(rule_lock);
3921 return ret;
3922 }
3923
3924 exit_error:
3925 ice_release_lock(rule_lock);
3926 /* only remove entry if it did not exist previously */
3927 if (!entry_exists)
3928 ret = ice_remove_mac(hw, &l_head);
3929
3930 return ret;
3931 }
3932
3933 /**
3934 * ice_add_mac_with_counter - add filter with counter enabled
3935 * @hw: pointer to the hardware structure
3936 * @f_info: pointer to filter info structure containing the MAC filter
3937 * information
3938 */
3939 enum ice_status
3940 ice_add_mac_with_counter(struct ice_hw *hw, struct ice_fltr_info *f_info)
3941 {
3942 struct ice_fltr_mgmt_list_entry *m_entry;
3943 struct ice_fltr_list_entry fl_info;
3944 struct ice_sw_recipe *recp_list;
3945 struct LIST_HEAD_TYPE l_head;
3946 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3947 enum ice_status ret;
3948 bool entry_exist;
3949 u16 counter_id;
3950 u16 lg_act_id;
3951
3952 if (f_info->fltr_act != ICE_FWD_TO_VSI)
3953 return ICE_ERR_PARAM;
3954
3955 if (f_info->lkup_type != ICE_SW_LKUP_MAC)
3956 return ICE_ERR_PARAM;
3957
3958 if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
3959 return ICE_ERR_PARAM;
3960 f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);
3961 recp_list = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC];
3962
3963 entry_exist = false;
3964
3965 rule_lock = &recp_list->filt_rule_lock;
3966
3967 /* Add filter if it doesn't exist so then the adding of large
3968 * action always results in update
3969 */
3970 INIT_LIST_HEAD(&l_head);
3971
3972 fl_info.fltr_info = *f_info;
3973 LIST_ADD(&fl_info.list_entry, &l_head);
3974
3975 ret = ice_add_mac_rule(hw, &l_head, hw->switch_info,
3976 hw->port_info->lport);
3977 if (ret == ICE_ERR_ALREADY_EXISTS)
3978 entry_exist = true;
3979 else if (ret)
3980 return ret;
3981
3982 ice_acquire_lock(rule_lock);
3983 m_entry = ice_find_rule_entry(&recp_list->filt_rules, f_info);
3984 if (!m_entry) {
3985 ret = ICE_ERR_BAD_PTR;
3986 goto exit_error;
3987 }
3988
3989 /* Don't enable counter for a filter for which sw marker was enabled */
3990 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) {
3991 ret = ICE_ERR_PARAM;
3992 goto exit_error;
3993 }
3994
3995 /* If a counter was already enabled then don't need to add again */
3996 if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
3997 ret = ICE_ERR_ALREADY_EXISTS;
3998 goto exit_error;
3999 }
4000
4001 /* Allocate a hardware table entry to VLAN counter */
4002 ret = ice_alloc_vlan_res_counter(hw, &counter_id);
4003 if (ret)
4004 goto exit_error;
4005
4006 /* Allocate a hardware table entry to hold large act. Two actions for
4007 * counter based large action
4008 */
4009 ret = ice_alloc_res_lg_act(hw, &lg_act_id, 2);
4010 if (ret)
4011 goto exit_error;
4012
4013 if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
4014 goto exit_error;
4015
4016 /* Update the switch rule to add the counter action */
4017 ret = ice_add_counter_act(hw, m_entry, counter_id, lg_act_id);
4018 if (!ret) {
4019 ice_release_lock(rule_lock);
4020 return ret;
4021 }
4022
4023 exit_error:
4024 ice_release_lock(rule_lock);
4025 /* only remove entry if it did not exist previously */
4026 if (!entry_exist)
4027 ret = ice_remove_mac(hw, &l_head);
4028
4029 return ret;
4030 }
4031
4032 /**
4033 * ice_replay_fltr - Replay all the filters stored by a specific list head
4034 * @hw: pointer to the hardware structure
4035 * @list_head: list for which filters needs to be replayed
4036 * @recp_id: Recipe ID for which rules need to be replayed
4037 */
4038 static enum ice_status
4039 ice_replay_fltr(struct ice_hw *hw, u8 recp_id, struct LIST_HEAD_TYPE *list_head)
4040 {
4041 struct ice_fltr_mgmt_list_entry *itr;
4042 enum ice_status status = ICE_SUCCESS;
4043 struct ice_sw_recipe *recp_list;
4044 u8 lport = hw->port_info->lport;
4045 struct LIST_HEAD_TYPE l_head;
4046
4047 if (LIST_EMPTY(list_head))
4048 return status;
4049
4050 recp_list = &hw->switch_info->recp_list[recp_id];
4051 /* Move entries from the given list_head to a temporary l_head so that
4052 * they can be replayed. Otherwise when trying to re-add the same
4053 * filter, the function will return already exists
4054 */
4055 LIST_REPLACE_INIT(list_head, &l_head);
4056
4057 /* Mark the given list_head empty by reinitializing it so filters
4058 * could be added again by *handler
4059 */
4060 LIST_FOR_EACH_ENTRY(itr, &l_head, ice_fltr_mgmt_list_entry,
4061 list_entry) {
4062 struct ice_fltr_list_entry f_entry;
4063 u16 vsi_handle;
4064
4065 f_entry.fltr_info = itr->fltr_info;
4066 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN) {
4067 status = ice_add_rule_internal(hw, recp_list, lport,
4068 &f_entry);
4069 if (status != ICE_SUCCESS)
4070 goto end;
4071 continue;
4072 }
4073
4074 /* Add a filter per VSI separately */
4075 ice_for_each_set_bit(vsi_handle, itr->vsi_list_info->vsi_map,
4076 ICE_MAX_VSI) {
4077 if (!ice_is_vsi_valid(hw, vsi_handle))
4078 break;
4079
4080 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
4081 f_entry.fltr_info.vsi_handle = vsi_handle;
4082 f_entry.fltr_info.fwd_id.hw_vsi_id =
4083 ice_get_hw_vsi_num(hw, vsi_handle);
4084 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
4085 if (recp_id == ICE_SW_LKUP_VLAN)
4086 status = ice_add_vlan_internal(hw, recp_list,
4087 &f_entry);
4088 else
4089 status = ice_add_rule_internal(hw, recp_list,
4090 lport,
4091 &f_entry);
4092 if (status != ICE_SUCCESS)
4093 goto end;
4094 }
4095 }
4096 end:
4097 /* Clear the filter management list */
4098 ice_rem_sw_rule_info(hw, &l_head);
4099 return status;
4100 }
4101
4102 /**
4103 * ice_replay_all_fltr - replay all filters stored in bookkeeping lists
4104 * @hw: pointer to the hardware structure
4105 *
4106 * NOTE: This function does not clean up partially added filters on error.
4107 * It is up to caller of the function to issue a reset or fail early.
4108 */
4109 enum ice_status ice_replay_all_fltr(struct ice_hw *hw)
4110 {
4111 struct ice_switch_info *sw = hw->switch_info;
4112 enum ice_status status = ICE_SUCCESS;
4113 u8 i;
4114
4115 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
4116 struct LIST_HEAD_TYPE *head = &sw->recp_list[i].filt_rules;
4117
4118 status = ice_replay_fltr(hw, i, head);
4119 if (status != ICE_SUCCESS)
4120 return status;
4121 }
4122 return status;
4123 }
4124
4125 /**
4126 * ice_replay_vsi_fltr - Replay filters for requested VSI
4127 * @hw: pointer to the hardware structure
4128 * @pi: pointer to port information structure
4129 * @sw: pointer to switch info struct for which function replays filters
4130 * @vsi_handle: driver VSI handle
4131 * @recp_id: Recipe ID for which rules need to be replayed
4132 * @list_head: list for which filters need to be replayed
4133 *
4134 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle.
4135 * It is required to pass valid VSI handle.
4136 */
4137 static enum ice_status
4138 ice_replay_vsi_fltr(struct ice_hw *hw, struct ice_port_info *pi,
4139 struct ice_switch_info *sw, u16 vsi_handle, u8 recp_id,
4140 struct LIST_HEAD_TYPE *list_head)
4141 {
4142 struct ice_fltr_mgmt_list_entry *itr;
4143 enum ice_status status = ICE_SUCCESS;
4144 struct ice_sw_recipe *recp_list;
4145 u16 hw_vsi_id;
4146
4147 if (LIST_EMPTY(list_head))
4148 return status;
4149 recp_list = &sw->recp_list[recp_id];
4150 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
4151
4152 LIST_FOR_EACH_ENTRY(itr, list_head, ice_fltr_mgmt_list_entry,
4153 list_entry) {
4154 struct ice_fltr_list_entry f_entry;
4155
4156 f_entry.fltr_info = itr->fltr_info;
4157 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN &&
4158 itr->fltr_info.vsi_handle == vsi_handle) {
4159 /* update the src in case it is VSI num */
4160 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
4161 f_entry.fltr_info.src = hw_vsi_id;
4162 status = ice_add_rule_internal(hw, recp_list,
4163 pi->lport,
4164 &f_entry);
4165 if (status != ICE_SUCCESS)
4166 goto end;
4167 continue;
4168 }
4169 if (!itr->vsi_list_info ||
4170 !ice_is_bit_set(itr->vsi_list_info->vsi_map, vsi_handle))
4171 continue;
4172 /* Clearing it so that the logic can add it back */
4173 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
4174 f_entry.fltr_info.vsi_handle = vsi_handle;
4175 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
4176 /* update the src in case it is VSI num */
4177 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
4178 f_entry.fltr_info.src = hw_vsi_id;
4179 if (recp_id == ICE_SW_LKUP_VLAN)
4180 status = ice_add_vlan_internal(hw, recp_list, &f_entry);
4181 else
4182 status = ice_add_rule_internal(hw, recp_list,
4183 pi->lport,
4184 &f_entry);
4185 if (status != ICE_SUCCESS)
4186 goto end;
4187 }
4188 end:
4189 return status;
4190 }
4191
4192 /**
4193 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists
4194 * @hw: pointer to the hardware structure
4195 * @pi: pointer to port information structure
4196 * @vsi_handle: driver VSI handle
4197 *
4198 * Replays filters for requested VSI via vsi_handle.
4199 */
4200 enum ice_status
4201 ice_replay_vsi_all_fltr(struct ice_hw *hw, struct ice_port_info *pi,
4202 u16 vsi_handle)
4203 {
4204 struct ice_switch_info *sw = hw->switch_info;
4205 enum ice_status status = ICE_SUCCESS;
4206 u8 i;
4207
4208 /* Update the recipes that were created */
4209 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
4210 struct LIST_HEAD_TYPE *head;
4211
4212 head = &sw->recp_list[i].filt_replay_rules;
4213 if (!sw->recp_list[i].adv_rule)
4214 status = ice_replay_vsi_fltr(hw, pi, sw, vsi_handle, i,
4215 head);
4216 if (status != ICE_SUCCESS)
4217 return status;
4218 }
4219
4220 return ICE_SUCCESS;
4221 }
4222
4223 /**
4224 * ice_rm_sw_replay_rule_info - helper function to delete filter replay rules
4225 * @hw: pointer to the HW struct
4226 * @sw: pointer to switch info struct for which function removes filters
4227 *
4228 * Deletes the filter replay rules for given switch
4229 */
4230 void ice_rm_sw_replay_rule_info(struct ice_hw *hw, struct ice_switch_info *sw)
4231 {
4232 u8 i;
4233
4234 if (!sw)
4235 return;
4236
4237 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
4238 if (!LIST_EMPTY(&sw->recp_list[i].filt_replay_rules)) {
4239 struct LIST_HEAD_TYPE *l_head;
4240
4241 l_head = &sw->recp_list[i].filt_replay_rules;
4242 if (!sw->recp_list[i].adv_rule)
4243 ice_rem_sw_rule_info(hw, l_head);
4244 }
4245 }
4246 }
4247
4248 /**
4249 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules
4250 * @hw: pointer to the HW struct
4251 *
4252 * Deletes the filter replay rules.
4253 */
4254 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw)
4255 {
4256 ice_rm_sw_replay_rule_info(hw, hw->switch_info);
4257 }
4258
Cache object: 818729d75e580f2124bb9d362c65f843
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