1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001-2019
5 #include "ice_switch.h"
6 #include "ice_flex_type.h"
10 #define ICE_ETH_DA_OFFSET 0
11 #define ICE_ETH_ETHTYPE_OFFSET 12
12 #define ICE_ETH_VLAN_TCI_OFFSET 14
13 #define ICE_MAX_VLAN_ID 0xFFF
15 /* Dummy ethernet header needed in the ice_aqc_sw_rules_elem
16 * struct to configure any switch filter rules.
17 * {DA (6 bytes), SA(6 bytes),
18 * Ether type (2 bytes for header without VLAN tag) OR
19 * VLAN tag (4 bytes for header with VLAN tag) }
21 * Word on Hardcoded values
22 * byte 0 = 0x2: to identify it as locally administered DA MAC
23 * byte 6 = 0x2: to identify it as locally administered SA MAC
24 * byte 12 = 0x81 & byte 13 = 0x00:
25 * In case of VLAN filter first two bytes defines ether type (0x8100)
26 * and remaining two bytes are placeholder for programming a given VLAN ID
27 * In case of Ether type filter it is treated as header without VLAN tag
28 * and byte 12 and 13 is used to program a given Ether type instead
30 #define DUMMY_ETH_HDR_LEN 16
31 static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0,
35 #define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE \
36 (sizeof(struct ice_aqc_sw_rules_elem) - \
37 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
38 sizeof(struct ice_sw_rule_lkup_rx_tx) + DUMMY_ETH_HDR_LEN - 1)
39 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \
40 (sizeof(struct ice_aqc_sw_rules_elem) - \
41 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
42 sizeof(struct ice_sw_rule_lkup_rx_tx) - 1)
43 #define ICE_SW_RULE_LG_ACT_SIZE(n) \
44 (sizeof(struct ice_aqc_sw_rules_elem) - \
45 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
46 sizeof(struct ice_sw_rule_lg_act) - \
47 sizeof(((struct ice_sw_rule_lg_act *)0)->act) + \
48 ((n) * sizeof(((struct ice_sw_rule_lg_act *)0)->act)))
49 #define ICE_SW_RULE_VSI_LIST_SIZE(n) \
50 (sizeof(struct ice_aqc_sw_rules_elem) - \
51 sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
52 sizeof(struct ice_sw_rule_vsi_list) - \
53 sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi) + \
54 ((n) * sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi)))
57 u8 dummy_gre_packet[] = { 0, 0, 0, 0, /* Ether starts */
60 0x08, 0, /* Ether ends */
61 0x45, 0, 0, 0x3E, /* IP starts */
65 0, 0, 0, 0, /* IP ends */
66 0x80, 0, 0x65, 0x58, /* GRE starts */
67 0, 0, 0, 0, /* GRE ends */
68 0, 0, 0, 0, /* Ether starts */
71 0x08, 0, /* Ether ends */
72 0x45, 0, 0, 0x14, /* IP starts */
76 0, 0, 0, 0 /* IP ends */
80 dummy_udp_tun_packet[] = {0, 0, 0, 0, /* Ether starts */
83 0x08, 0, /* Ether ends */
84 0x45, 0, 0, 0x32, /* IP starts */
88 0, 0, 0, 0, /* IP ends */
89 0, 0, 0x12, 0xB5, /* UDP start*/
90 0, 0x1E, 0, 0, /* UDP end*/
91 0, 0, 0, 0, /* VXLAN start */
92 0, 0, 0, 0, /* VXLAN end*/
93 0, 0, 0, 0, /* Ether starts */
100 dummy_tcp_tun_packet[] = {0, 0, 0, 0, /* Ether starts */
103 0x08, 0, /* Ether ends */
104 0x45, 0, 0, 0x28, /* IP starts */
106 0x40, 0x06, 0xF5, 0x69,
108 0, 0, 0, 0, /* IP ends */
114 0, 0 /* 2 bytes padding for 4 byte alignment*/
117 /* this is a recipe to profile bitmap association */
118 static ice_declare_bitmap(recipe_to_profile[ICE_MAX_NUM_RECIPES],
119 ICE_MAX_NUM_PROFILES);
120 static ice_declare_bitmap(available_result_ids, ICE_CHAIN_FV_INDEX_START + 1);
123 * ice_get_recp_frm_fw - update SW bookkeeping from FW recipe entries
124 * @hw: pointer to hardware structure
125 * @recps: struct that we need to populate
126 * @rid: recipe ID that we are populating
128 * This function is used to populate all the necessary entries into our
129 * bookkeeping so that we have a current list of all the recipes that are
130 * programmed in the firmware.
132 static enum ice_status
133 ice_get_recp_frm_fw(struct ice_hw *hw, struct ice_sw_recipe *recps, u8 rid)
135 u16 i, sub_recps, fv_word_idx = 0, result_idx = 0;
136 ice_declare_bitmap(r_bitmap, ICE_MAX_NUM_PROFILES);
137 u16 result_idxs[ICE_MAX_CHAIN_RECIPE] = { 0 };
138 struct ice_aqc_recipe_data_elem *tmp;
139 u16 num_recps = ICE_MAX_NUM_RECIPES;
140 struct ice_prot_lkup_ext *lkup_exts;
141 enum ice_status status;
143 /* we need a buffer big enough to accommodate all the recipes */
144 tmp = (struct ice_aqc_recipe_data_elem *)ice_calloc(hw,
145 ICE_MAX_NUM_RECIPES, sizeof(*tmp));
147 return ICE_ERR_NO_MEMORY;
149 tmp[0].recipe_indx = rid;
150 status = ice_aq_get_recipe(hw, tmp, &num_recps, rid, NULL);
151 /* non-zero status meaning recipe doesn't exist */
154 lkup_exts = &recps[rid].lkup_exts;
155 /* start populating all the entries for recps[rid] based on lkups from
158 for (sub_recps = 0; sub_recps < num_recps; sub_recps++) {
159 struct ice_aqc_recipe_data_elem root_bufs = tmp[sub_recps];
160 struct ice_recp_grp_entry *rg_entry;
161 u8 prof_id, prot = 0;
164 rg_entry = (struct ice_recp_grp_entry *)
165 ice_malloc(hw, sizeof(*rg_entry));
167 status = ICE_ERR_NO_MEMORY;
170 /* Avoid 8th bit since its result enable bit */
171 result_idxs[result_idx] = root_bufs.content.result_indx &
172 ~ICE_AQ_RECIPE_RESULT_EN;
173 /* Check if result enable bit is set */
174 if (root_bufs.content.result_indx & ICE_AQ_RECIPE_RESULT_EN)
175 ice_clear_bit(ICE_CHAIN_FV_INDEX_START -
176 result_idxs[result_idx++],
177 available_result_ids);
179 recipe_to_profile[tmp[sub_recps].recipe_indx],
180 sizeof(r_bitmap), ICE_NONDMA_TO_NONDMA);
181 /* get the first profile that is associated with rid */
182 prof_id = ice_find_first_bit(r_bitmap, ICE_MAX_NUM_PROFILES);
183 for (i = 0; i < ICE_NUM_WORDS_RECIPE; i++) {
184 u8 lkup_indx = root_bufs.content.lkup_indx[i + 1];
186 rg_entry->fv_idx[i] = lkup_indx;
187 /* If the recipe is a chained recipe then all its
188 * child recipe's result will have a result index.
189 * To fill fv_words we should not use those result
190 * index, we only need the protocol ids and offsets.
191 * We will skip all the fv_idx which stores result
192 * index in them. We also need to skip any fv_idx which
193 * has ICE_AQ_RECIPE_LKUP_IGNORE or 0 since it isn't a
194 * valid offset value.
196 if (result_idxs[0] == rg_entry->fv_idx[i] ||
197 result_idxs[1] == rg_entry->fv_idx[i] ||
198 result_idxs[2] == rg_entry->fv_idx[i] ||
199 result_idxs[3] == rg_entry->fv_idx[i] ||
200 result_idxs[4] == rg_entry->fv_idx[i] ||
201 rg_entry->fv_idx[i] == ICE_AQ_RECIPE_LKUP_IGNORE ||
202 rg_entry->fv_idx[i] == 0)
205 ice_find_prot_off(hw, ICE_BLK_SW, prof_id,
206 rg_entry->fv_idx[i], &prot, &off);
207 lkup_exts->fv_words[fv_word_idx].prot_id = prot;
208 lkup_exts->fv_words[fv_word_idx].off = off;
211 /* populate rg_list with the data from the child entry of this
214 LIST_ADD(&rg_entry->l_entry, &recps[rid].rg_list);
216 lkup_exts->n_val_words = fv_word_idx;
217 recps[rid].n_grp_count = num_recps;
218 recps[rid].root_buf = (struct ice_aqc_recipe_data_elem *)
219 ice_calloc(hw, recps[rid].n_grp_count,
220 sizeof(struct ice_aqc_recipe_data_elem));
221 if (!recps[rid].root_buf)
224 ice_memcpy(recps[rid].root_buf, tmp, recps[rid].n_grp_count *
225 sizeof(*recps[rid].root_buf), ICE_NONDMA_TO_NONDMA);
226 recps[rid].recp_created = true;
227 if (tmp[sub_recps].content.rid & ICE_AQ_RECIPE_ID_IS_ROOT)
228 recps[rid].root_rid = rid;
235 * ice_get_recp_to_prof_map - updates recipe to profile mapping
236 * @hw: pointer to hardware structure
238 * This function is used to populate recipe_to_profile matrix where index to
239 * this array is the recipe ID and the element is the mapping of which profiles
240 * is this recipe mapped to.
243 ice_get_recp_to_prof_map(struct ice_hw *hw)
245 ice_declare_bitmap(r_bitmap, ICE_MAX_NUM_RECIPES);
248 for (i = 0; i < ICE_MAX_NUM_PROFILES; i++) {
251 ice_zero_bitmap(r_bitmap, ICE_MAX_NUM_RECIPES);
252 if (ice_aq_get_recipe_to_profile(hw, i, (u8 *)r_bitmap, NULL))
255 for (j = 0; j < ICE_MAX_NUM_RECIPES; j++)
256 if (ice_is_bit_set(r_bitmap, j))
257 ice_set_bit(i, recipe_to_profile[j]);
262 * ice_init_def_sw_recp - initialize the recipe book keeping tables
263 * @hw: pointer to the HW struct
265 * Allocate memory for the entire recipe table and initialize the structures/
266 * entries corresponding to basic recipes.
268 enum ice_status ice_init_def_sw_recp(struct ice_hw *hw)
270 struct ice_sw_recipe *recps;
273 recps = (struct ice_sw_recipe *)
274 ice_calloc(hw, ICE_MAX_NUM_RECIPES, sizeof(*recps));
276 return ICE_ERR_NO_MEMORY;
278 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
279 recps[i].root_rid = i;
280 INIT_LIST_HEAD(&recps[i].filt_rules);
281 INIT_LIST_HEAD(&recps[i].filt_replay_rules);
282 INIT_LIST_HEAD(&recps[i].rg_list);
283 ice_init_lock(&recps[i].filt_rule_lock);
286 hw->switch_info->recp_list = recps;
292 * ice_aq_get_sw_cfg - get switch configuration
293 * @hw: pointer to the hardware structure
294 * @buf: pointer to the result buffer
295 * @buf_size: length of the buffer available for response
296 * @req_desc: pointer to requested descriptor
297 * @num_elems: pointer to number of elements
298 * @cd: pointer to command details structure or NULL
300 * Get switch configuration (0x0200) to be placed in 'buff'.
301 * This admin command returns information such as initial VSI/port number
302 * and switch ID it belongs to.
304 * NOTE: *req_desc is both an input/output parameter.
305 * The caller of this function first calls this function with *request_desc set
306 * to 0. If the response from f/w has *req_desc set to 0, all the switch
307 * configuration information has been returned; if non-zero (meaning not all
308 * the information was returned), the caller should call this function again
309 * with *req_desc set to the previous value returned by f/w to get the
310 * next block of switch configuration information.
312 * *num_elems is output only parameter. This reflects the number of elements
313 * in response buffer. The caller of this function to use *num_elems while
314 * parsing the response buffer.
316 static enum ice_status
317 ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp *buf,
318 u16 buf_size, u16 *req_desc, u16 *num_elems,
319 struct ice_sq_cd *cd)
321 struct ice_aqc_get_sw_cfg *cmd;
322 enum ice_status status;
323 struct ice_aq_desc desc;
325 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg);
326 cmd = &desc.params.get_sw_conf;
327 cmd->element = CPU_TO_LE16(*req_desc);
329 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
331 *req_desc = LE16_TO_CPU(cmd->element);
332 *num_elems = LE16_TO_CPU(cmd->num_elems);
340 * ice_alloc_sw - allocate resources specific to switch
341 * @hw: pointer to the HW struct
342 * @ena_stats: true to turn on VEB stats
343 * @shared_res: true for shared resource, false for dedicated resource
344 * @sw_id: switch ID returned
345 * @counter_id: VEB counter ID returned
347 * allocates switch resources (SWID and VEB counter) (0x0208)
350 ice_alloc_sw(struct ice_hw *hw, bool ena_stats, bool shared_res, u16 *sw_id,
353 struct ice_aqc_alloc_free_res_elem *sw_buf;
354 struct ice_aqc_res_elem *sw_ele;
355 enum ice_status status;
358 buf_len = sizeof(*sw_buf);
359 sw_buf = (struct ice_aqc_alloc_free_res_elem *)
360 ice_malloc(hw, buf_len);
362 return ICE_ERR_NO_MEMORY;
364 /* Prepare buffer for switch ID.
365 * The number of resource entries in buffer is passed as 1 since only a
366 * single switch/VEB instance is allocated, and hence a single sw_id
369 sw_buf->num_elems = CPU_TO_LE16(1);
371 CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID |
372 (shared_res ? ICE_AQC_RES_TYPE_FLAG_SHARED :
373 ICE_AQC_RES_TYPE_FLAG_DEDICATED));
375 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
376 ice_aqc_opc_alloc_res, NULL);
379 goto ice_alloc_sw_exit;
381 sw_ele = &sw_buf->elem[0];
382 *sw_id = LE16_TO_CPU(sw_ele->e.sw_resp);
385 /* Prepare buffer for VEB Counter */
386 enum ice_adminq_opc opc = ice_aqc_opc_alloc_res;
387 struct ice_aqc_alloc_free_res_elem *counter_buf;
388 struct ice_aqc_res_elem *counter_ele;
390 counter_buf = (struct ice_aqc_alloc_free_res_elem *)
391 ice_malloc(hw, buf_len);
393 status = ICE_ERR_NO_MEMORY;
394 goto ice_alloc_sw_exit;
397 /* The number of resource entries in buffer is passed as 1 since
398 * only a single switch/VEB instance is allocated, and hence a
399 * single VEB counter is requested.
401 counter_buf->num_elems = CPU_TO_LE16(1);
402 counter_buf->res_type =
403 CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER |
404 ICE_AQC_RES_TYPE_FLAG_DEDICATED);
405 status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len,
409 ice_free(hw, counter_buf);
410 goto ice_alloc_sw_exit;
412 counter_ele = &counter_buf->elem[0];
413 *counter_id = LE16_TO_CPU(counter_ele->e.sw_resp);
414 ice_free(hw, counter_buf);
418 ice_free(hw, sw_buf);
423 * ice_free_sw - free resources specific to switch
424 * @hw: pointer to the HW struct
425 * @sw_id: switch ID returned
426 * @counter_id: VEB counter ID returned
428 * free switch resources (SWID and VEB counter) (0x0209)
430 * NOTE: This function frees multiple resources. It continues
431 * releasing other resources even after it encounters error.
432 * The error code returned is the last error it encountered.
434 enum ice_status ice_free_sw(struct ice_hw *hw, u16 sw_id, u16 counter_id)
436 struct ice_aqc_alloc_free_res_elem *sw_buf, *counter_buf;
437 enum ice_status status, ret_status;
440 buf_len = sizeof(*sw_buf);
441 sw_buf = (struct ice_aqc_alloc_free_res_elem *)
442 ice_malloc(hw, buf_len);
444 return ICE_ERR_NO_MEMORY;
446 /* Prepare buffer to free for switch ID res.
447 * The number of resource entries in buffer is passed as 1 since only a
448 * single switch/VEB instance is freed, and hence a single sw_id
451 sw_buf->num_elems = CPU_TO_LE16(1);
452 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID);
453 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(sw_id);
455 ret_status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
456 ice_aqc_opc_free_res, NULL);
459 ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
461 /* Prepare buffer to free for VEB Counter resource */
462 counter_buf = (struct ice_aqc_alloc_free_res_elem *)
463 ice_malloc(hw, buf_len);
465 ice_free(hw, sw_buf);
466 return ICE_ERR_NO_MEMORY;
469 /* The number of resource entries in buffer is passed as 1 since only a
470 * single switch/VEB instance is freed, and hence a single VEB counter
473 counter_buf->num_elems = CPU_TO_LE16(1);
474 counter_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER);
475 counter_buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);
477 status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len,
478 ice_aqc_opc_free_res, NULL);
480 ice_debug(hw, ICE_DBG_SW,
481 "VEB counter resource could not be freed\n");
485 ice_free(hw, counter_buf);
486 ice_free(hw, sw_buf);
492 * @hw: pointer to the HW struct
493 * @vsi_ctx: pointer to a VSI context struct
494 * @cd: pointer to command details structure or NULL
496 * Add a VSI context to the hardware (0x0210)
499 ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
500 struct ice_sq_cd *cd)
502 struct ice_aqc_add_update_free_vsi_resp *res;
503 struct ice_aqc_add_get_update_free_vsi *cmd;
504 struct ice_aq_desc desc;
505 enum ice_status status;
507 cmd = &desc.params.vsi_cmd;
508 res = &desc.params.add_update_free_vsi_res;
510 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi);
512 if (!vsi_ctx->alloc_from_pool)
513 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num |
514 ICE_AQ_VSI_IS_VALID);
516 cmd->vsi_flags = CPU_TO_LE16(vsi_ctx->flags);
518 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
520 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
521 sizeof(vsi_ctx->info), cd);
524 vsi_ctx->vsi_num = LE16_TO_CPU(res->vsi_num) & ICE_AQ_VSI_NUM_M;
525 vsi_ctx->vsis_allocd = LE16_TO_CPU(res->vsi_used);
526 vsi_ctx->vsis_unallocated = LE16_TO_CPU(res->vsi_free);
534 * @hw: pointer to the HW struct
535 * @vsi_ctx: pointer to a VSI context struct
536 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
537 * @cd: pointer to command details structure or NULL
539 * Free VSI context info from hardware (0x0213)
542 ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
543 bool keep_vsi_alloc, struct ice_sq_cd *cd)
545 struct ice_aqc_add_update_free_vsi_resp *resp;
546 struct ice_aqc_add_get_update_free_vsi *cmd;
547 struct ice_aq_desc desc;
548 enum ice_status status;
550 cmd = &desc.params.vsi_cmd;
551 resp = &desc.params.add_update_free_vsi_res;
553 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi);
555 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
557 cmd->cmd_flags = CPU_TO_LE16(ICE_AQ_VSI_KEEP_ALLOC);
559 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
561 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
562 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
570 * @hw: pointer to the HW struct
571 * @vsi_ctx: pointer to a VSI context struct
572 * @cd: pointer to command details structure or NULL
574 * Update VSI context in the hardware (0x0211)
577 ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
578 struct ice_sq_cd *cd)
580 struct ice_aqc_add_update_free_vsi_resp *resp;
581 struct ice_aqc_add_get_update_free_vsi *cmd;
582 struct ice_aq_desc desc;
583 enum ice_status status;
585 cmd = &desc.params.vsi_cmd;
586 resp = &desc.params.add_update_free_vsi_res;
588 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi);
590 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
592 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
594 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
595 sizeof(vsi_ctx->info), cd);
598 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
599 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
606 * ice_is_vsi_valid - check whether the VSI is valid or not
607 * @hw: pointer to the HW struct
608 * @vsi_handle: VSI handle
610 * check whether the VSI is valid or not
612 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle)
614 return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle];
618 * ice_get_hw_vsi_num - return the HW VSI number
619 * @hw: pointer to the HW struct
620 * @vsi_handle: VSI handle
622 * return the HW VSI number
623 * Caution: call this function only if VSI is valid (ice_is_vsi_valid)
625 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle)
627 return hw->vsi_ctx[vsi_handle]->vsi_num;
631 * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle
632 * @hw: pointer to the HW struct
633 * @vsi_handle: VSI handle
635 * return the VSI context entry for a given VSI handle
637 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
639 return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle];
643 * ice_save_vsi_ctx - save the VSI context for a given VSI handle
644 * @hw: pointer to the HW struct
645 * @vsi_handle: VSI handle
646 * @vsi: VSI context pointer
648 * save the VSI context entry for a given VSI handle
651 ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi)
653 hw->vsi_ctx[vsi_handle] = vsi;
657 * ice_clear_vsi_q_ctx - clear VSI queue contexts for all TCs
658 * @hw: pointer to the HW struct
659 * @vsi_handle: VSI handle
661 static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle)
663 struct ice_vsi_ctx *vsi;
666 vsi = ice_get_vsi_ctx(hw, vsi_handle);
669 ice_for_each_traffic_class(i) {
670 if (vsi->lan_q_ctx[i]) {
671 ice_free(hw, vsi->lan_q_ctx[i]);
672 vsi->lan_q_ctx[i] = NULL;
678 * ice_clear_vsi_ctx - clear the VSI context entry
679 * @hw: pointer to the HW struct
680 * @vsi_handle: VSI handle
682 * clear the VSI context entry
684 static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
686 struct ice_vsi_ctx *vsi;
688 vsi = ice_get_vsi_ctx(hw, vsi_handle);
690 ice_clear_vsi_q_ctx(hw, vsi_handle);
692 hw->vsi_ctx[vsi_handle] = NULL;
697 * ice_clear_all_vsi_ctx - clear all the VSI context entries
698 * @hw: pointer to the HW struct
700 void ice_clear_all_vsi_ctx(struct ice_hw *hw)
704 for (i = 0; i < ICE_MAX_VSI; i++)
705 ice_clear_vsi_ctx(hw, i);
709 * ice_add_vsi - add VSI context to the hardware and VSI handle list
710 * @hw: pointer to the HW struct
711 * @vsi_handle: unique VSI handle provided by drivers
712 * @vsi_ctx: pointer to a VSI context struct
713 * @cd: pointer to command details structure or NULL
715 * Add a VSI context to the hardware also add it into the VSI handle list.
716 * If this function gets called after reset for existing VSIs then update
717 * with the new HW VSI number in the corresponding VSI handle list entry.
720 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
721 struct ice_sq_cd *cd)
723 struct ice_vsi_ctx *tmp_vsi_ctx;
724 enum ice_status status;
726 if (vsi_handle >= ICE_MAX_VSI)
727 return ICE_ERR_PARAM;
728 status = ice_aq_add_vsi(hw, vsi_ctx, cd);
731 tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle);
733 /* Create a new VSI context */
734 tmp_vsi_ctx = (struct ice_vsi_ctx *)
735 ice_malloc(hw, sizeof(*tmp_vsi_ctx));
737 ice_aq_free_vsi(hw, vsi_ctx, false, cd);
738 return ICE_ERR_NO_MEMORY;
740 *tmp_vsi_ctx = *vsi_ctx;
742 ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx);
744 /* update with new HW VSI num */
745 if (tmp_vsi_ctx->vsi_num != vsi_ctx->vsi_num)
746 tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num;
753 * ice_free_vsi- free VSI context from hardware and VSI handle list
754 * @hw: pointer to the HW struct
755 * @vsi_handle: unique VSI handle
756 * @vsi_ctx: pointer to a VSI context struct
757 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
758 * @cd: pointer to command details structure or NULL
760 * Free VSI context info from hardware as well as from VSI handle list
763 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
764 bool keep_vsi_alloc, struct ice_sq_cd *cd)
766 enum ice_status status;
768 if (!ice_is_vsi_valid(hw, vsi_handle))
769 return ICE_ERR_PARAM;
770 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
771 status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd);
773 ice_clear_vsi_ctx(hw, vsi_handle);
779 * @hw: pointer to the HW struct
780 * @vsi_handle: unique VSI handle
781 * @vsi_ctx: pointer to a VSI context struct
782 * @cd: pointer to command details structure or NULL
784 * Update VSI context in the hardware
787 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
788 struct ice_sq_cd *cd)
790 if (!ice_is_vsi_valid(hw, vsi_handle))
791 return ICE_ERR_PARAM;
792 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
793 return ice_aq_update_vsi(hw, vsi_ctx, cd);
797 * ice_aq_get_vsi_params
798 * @hw: pointer to the HW struct
799 * @vsi_ctx: pointer to a VSI context struct
800 * @cd: pointer to command details structure or NULL
802 * Get VSI context info from hardware (0x0212)
805 ice_aq_get_vsi_params(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
806 struct ice_sq_cd *cd)
808 struct ice_aqc_add_get_update_free_vsi *cmd;
809 struct ice_aqc_get_vsi_resp *resp;
810 struct ice_aq_desc desc;
811 enum ice_status status;
813 cmd = &desc.params.vsi_cmd;
814 resp = &desc.params.get_vsi_resp;
816 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_vsi_params);
818 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
820 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
821 sizeof(vsi_ctx->info), cd);
823 vsi_ctx->vsi_num = LE16_TO_CPU(resp->vsi_num) &
825 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
826 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
833 * ice_aq_add_update_mir_rule - add/update a mirror rule
834 * @hw: pointer to the HW struct
835 * @rule_type: Rule Type
836 * @dest_vsi: VSI number to which packets will be mirrored
837 * @count: length of the list
838 * @mr_buf: buffer for list of mirrored VSI numbers
839 * @cd: pointer to command details structure or NULL
842 * Add/Update Mirror Rule (0x260).
845 ice_aq_add_update_mir_rule(struct ice_hw *hw, u16 rule_type, u16 dest_vsi,
846 u16 count, struct ice_mir_rule_buf *mr_buf,
847 struct ice_sq_cd *cd, u16 *rule_id)
849 struct ice_aqc_add_update_mir_rule *cmd;
850 struct ice_aq_desc desc;
851 enum ice_status status;
852 __le16 *mr_list = NULL;
856 case ICE_AQC_RULE_TYPE_VPORT_INGRESS:
857 case ICE_AQC_RULE_TYPE_VPORT_EGRESS:
858 /* Make sure count and mr_buf are set for these rule_types */
859 if (!(count && mr_buf))
860 return ICE_ERR_PARAM;
862 buf_size = count * sizeof(__le16);
863 mr_list = (__le16 *)ice_malloc(hw, buf_size);
865 return ICE_ERR_NO_MEMORY;
867 case ICE_AQC_RULE_TYPE_PPORT_INGRESS:
868 case ICE_AQC_RULE_TYPE_PPORT_EGRESS:
869 /* Make sure count and mr_buf are not set for these
873 return ICE_ERR_PARAM;
876 ice_debug(hw, ICE_DBG_SW,
877 "Error due to unsupported rule_type %u\n", rule_type);
878 return ICE_ERR_OUT_OF_RANGE;
881 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_update_mir_rule);
883 /* Pre-process 'mr_buf' items for add/update of virtual port
884 * ingress/egress mirroring (but not physical port ingress/egress
890 for (i = 0; i < count; i++) {
893 id = mr_buf[i].vsi_idx & ICE_AQC_RULE_MIRRORED_VSI_M;
895 /* Validate specified VSI number, make sure it is less
896 * than ICE_MAX_VSI, if not return with error.
898 if (id >= ICE_MAX_VSI) {
899 ice_debug(hw, ICE_DBG_SW,
900 "Error VSI index (%u) out-of-range\n",
902 ice_free(hw, mr_list);
903 return ICE_ERR_OUT_OF_RANGE;
906 /* add VSI to mirror rule */
909 CPU_TO_LE16(id | ICE_AQC_RULE_ACT_M);
910 else /* remove VSI from mirror rule */
911 mr_list[i] = CPU_TO_LE16(id);
915 cmd = &desc.params.add_update_rule;
916 if ((*rule_id) != ICE_INVAL_MIRROR_RULE_ID)
917 cmd->rule_id = CPU_TO_LE16(((*rule_id) & ICE_AQC_RULE_ID_M) |
918 ICE_AQC_RULE_ID_VALID_M);
919 cmd->rule_type = CPU_TO_LE16(rule_type & ICE_AQC_RULE_TYPE_M);
920 cmd->num_entries = CPU_TO_LE16(count);
921 cmd->dest = CPU_TO_LE16(dest_vsi);
923 status = ice_aq_send_cmd(hw, &desc, mr_list, buf_size, cd);
925 *rule_id = LE16_TO_CPU(cmd->rule_id) & ICE_AQC_RULE_ID_M;
927 ice_free(hw, mr_list);
933 * ice_aq_delete_mir_rule - delete a mirror rule
934 * @hw: pointer to the HW struct
935 * @rule_id: Mirror rule ID (to be deleted)
936 * @keep_allocd: if set, the VSI stays part of the PF allocated res,
937 * otherwise it is returned to the shared pool
938 * @cd: pointer to command details structure or NULL
940 * Delete Mirror Rule (0x261).
943 ice_aq_delete_mir_rule(struct ice_hw *hw, u16 rule_id, bool keep_allocd,
944 struct ice_sq_cd *cd)
946 struct ice_aqc_delete_mir_rule *cmd;
947 struct ice_aq_desc desc;
949 /* rule_id should be in the range 0...63 */
950 if (rule_id >= ICE_MAX_NUM_MIRROR_RULES)
951 return ICE_ERR_OUT_OF_RANGE;
953 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_del_mir_rule);
955 cmd = &desc.params.del_rule;
956 rule_id |= ICE_AQC_RULE_ID_VALID_M;
957 cmd->rule_id = CPU_TO_LE16(rule_id);
960 cmd->flags = CPU_TO_LE16(ICE_AQC_FLAG_KEEP_ALLOCD_M);
962 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
966 * ice_aq_alloc_free_vsi_list
967 * @hw: pointer to the HW struct
968 * @vsi_list_id: VSI list ID returned or used for lookup
969 * @lkup_type: switch rule filter lookup type
970 * @opc: switch rules population command type - pass in the command opcode
972 * allocates or free a VSI list resource
974 static enum ice_status
975 ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
976 enum ice_sw_lkup_type lkup_type,
977 enum ice_adminq_opc opc)
979 struct ice_aqc_alloc_free_res_elem *sw_buf;
980 struct ice_aqc_res_elem *vsi_ele;
981 enum ice_status status;
984 buf_len = sizeof(*sw_buf);
985 sw_buf = (struct ice_aqc_alloc_free_res_elem *)
986 ice_malloc(hw, buf_len);
988 return ICE_ERR_NO_MEMORY;
989 sw_buf->num_elems = CPU_TO_LE16(1);
991 if (lkup_type == ICE_SW_LKUP_MAC ||
992 lkup_type == ICE_SW_LKUP_MAC_VLAN ||
993 lkup_type == ICE_SW_LKUP_ETHERTYPE ||
994 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
995 lkup_type == ICE_SW_LKUP_PROMISC ||
996 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
997 lkup_type == ICE_SW_LKUP_LAST) {
998 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_REP);
999 } else if (lkup_type == ICE_SW_LKUP_VLAN) {
1001 CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
1003 status = ICE_ERR_PARAM;
1004 goto ice_aq_alloc_free_vsi_list_exit;
1007 if (opc == ice_aqc_opc_free_res)
1008 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(*vsi_list_id);
1010 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL);
1012 goto ice_aq_alloc_free_vsi_list_exit;
1014 if (opc == ice_aqc_opc_alloc_res) {
1015 vsi_ele = &sw_buf->elem[0];
1016 *vsi_list_id = LE16_TO_CPU(vsi_ele->e.sw_resp);
1019 ice_aq_alloc_free_vsi_list_exit:
1020 ice_free(hw, sw_buf);
1025 * ice_aq_set_storm_ctrl - Sets storm control configuration
1026 * @hw: pointer to the HW struct
1027 * @bcast_thresh: represents the upper threshold for broadcast storm control
1028 * @mcast_thresh: represents the upper threshold for multicast storm control
1029 * @ctl_bitmask: storm control control knobs
1031 * Sets the storm control configuration (0x0280)
1034 ice_aq_set_storm_ctrl(struct ice_hw *hw, u32 bcast_thresh, u32 mcast_thresh,
1037 struct ice_aqc_storm_cfg *cmd;
1038 struct ice_aq_desc desc;
1040 cmd = &desc.params.storm_conf;
1042 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_storm_cfg);
1044 cmd->bcast_thresh_size = CPU_TO_LE32(bcast_thresh & ICE_AQ_THRESHOLD_M);
1045 cmd->mcast_thresh_size = CPU_TO_LE32(mcast_thresh & ICE_AQ_THRESHOLD_M);
1046 cmd->storm_ctrl_ctrl = CPU_TO_LE32(ctl_bitmask);
1048 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
1052 * ice_aq_get_storm_ctrl - gets storm control configuration
1053 * @hw: pointer to the HW struct
1054 * @bcast_thresh: represents the upper threshold for broadcast storm control
1055 * @mcast_thresh: represents the upper threshold for multicast storm control
1056 * @ctl_bitmask: storm control control knobs
1058 * Gets the storm control configuration (0x0281)
1061 ice_aq_get_storm_ctrl(struct ice_hw *hw, u32 *bcast_thresh, u32 *mcast_thresh,
1064 enum ice_status status;
1065 struct ice_aq_desc desc;
1067 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_storm_cfg);
1069 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
1071 struct ice_aqc_storm_cfg *resp = &desc.params.storm_conf;
1074 *bcast_thresh = LE32_TO_CPU(resp->bcast_thresh_size) &
1077 *mcast_thresh = LE32_TO_CPU(resp->mcast_thresh_size) &
1080 *ctl_bitmask = LE32_TO_CPU(resp->storm_ctrl_ctrl);
1087 * ice_aq_sw_rules - add/update/remove switch rules
1088 * @hw: pointer to the HW struct
1089 * @rule_list: pointer to switch rule population list
1090 * @rule_list_sz: total size of the rule list in bytes
1091 * @num_rules: number of switch rules in the rule_list
1092 * @opc: switch rules population command type - pass in the command opcode
1093 * @cd: pointer to command details structure or NULL
1095 * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware
1097 static enum ice_status
1098 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,
1099 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd)
1101 struct ice_aq_desc desc;
1103 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_sw_rules");
1105 if (opc != ice_aqc_opc_add_sw_rules &&
1106 opc != ice_aqc_opc_update_sw_rules &&
1107 opc != ice_aqc_opc_remove_sw_rules)
1108 return ICE_ERR_PARAM;
1110 ice_fill_dflt_direct_cmd_desc(&desc, opc);
1112 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1113 desc.params.sw_rules.num_rules_fltr_entry_index =
1114 CPU_TO_LE16(num_rules);
1115 return ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd);
1119 * ice_aq_add_recipe - add switch recipe
1120 * @hw: pointer to the HW struct
1121 * @s_recipe_list: pointer to switch rule population list
1122 * @num_recipes: number of switch recipes in the list
1123 * @cd: pointer to command details structure or NULL
1128 ice_aq_add_recipe(struct ice_hw *hw,
1129 struct ice_aqc_recipe_data_elem *s_recipe_list,
1130 u16 num_recipes, struct ice_sq_cd *cd)
1132 struct ice_aqc_add_get_recipe *cmd;
1133 struct ice_aq_desc desc;
1136 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_add_recipe");
1137 cmd = &desc.params.add_get_recipe;
1138 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_recipe);
1140 cmd->num_sub_recipes = CPU_TO_LE16(num_recipes);
1141 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1143 buf_size = num_recipes * sizeof(*s_recipe_list);
1145 return ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd);
1149 * ice_aq_get_recipe - get switch recipe
1150 * @hw: pointer to the HW struct
1151 * @s_recipe_list: pointer to switch rule population list
1152 * @num_recipes: pointer to the number of recipes (input and output)
1153 * @recipe_root: root recipe number of recipe(s) to retrieve
1154 * @cd: pointer to command details structure or NULL
1158 * On input, *num_recipes should equal the number of entries in s_recipe_list.
1159 * On output, *num_recipes will equal the number of entries returned in
1162 * The caller must supply enough space in s_recipe_list to hold all possible
1163 * recipes and *num_recipes must equal ICE_MAX_NUM_RECIPES.
1166 ice_aq_get_recipe(struct ice_hw *hw,
1167 struct ice_aqc_recipe_data_elem *s_recipe_list,
1168 u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd)
1170 struct ice_aqc_add_get_recipe *cmd;
1171 struct ice_aq_desc desc;
1172 enum ice_status status;
1175 if (*num_recipes != ICE_MAX_NUM_RECIPES)
1176 return ICE_ERR_PARAM;
1178 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_recipe");
1179 cmd = &desc.params.add_get_recipe;
1180 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe);
1182 cmd->return_index = CPU_TO_LE16(recipe_root);
1183 cmd->num_sub_recipes = 0;
1185 buf_size = *num_recipes * sizeof(*s_recipe_list);
1187 status = ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd);
1188 /* cppcheck-suppress constArgument */
1189 *num_recipes = LE16_TO_CPU(cmd->num_sub_recipes);
1195 * ice_aq_map_recipe_to_profile - Map recipe to packet profile
1196 * @hw: pointer to the HW struct
1197 * @profile_id: package profile ID to associate the recipe with
1198 * @r_bitmap: Recipe bitmap filled in and need to be returned as response
1199 * @cd: pointer to command details structure or NULL
1200 * Recipe to profile association (0x0291)
1203 ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
1204 struct ice_sq_cd *cd)
1206 struct ice_aqc_recipe_to_profile *cmd;
1207 struct ice_aq_desc desc;
1209 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_assoc_recipe_to_prof");
1210 cmd = &desc.params.recipe_to_profile;
1211 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_recipe_to_profile);
1212 cmd->profile_id = CPU_TO_LE16(profile_id);
1213 /* Set the recipe ID bit in the bitmask to let the device know which
1214 * profile we are associating the recipe to
1216 ice_memcpy(cmd->recipe_assoc, r_bitmap, sizeof(cmd->recipe_assoc),
1217 ICE_NONDMA_TO_NONDMA);
1219 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1223 * ice_aq_get_recipe_to_profile - Map recipe to packet profile
1224 * @hw: pointer to the HW struct
1225 * @profile_id: package profile ID to associate the recipe with
1226 * @r_bitmap: Recipe bitmap filled in and need to be returned as response
1227 * @cd: pointer to command details structure or NULL
1228 * Associate profile ID with given recipe (0x0293)
1231 ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
1232 struct ice_sq_cd *cd)
1234 struct ice_aqc_recipe_to_profile *cmd;
1235 struct ice_aq_desc desc;
1236 enum ice_status status;
1238 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_recipe_to_prof");
1239 cmd = &desc.params.recipe_to_profile;
1240 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe_to_profile);
1241 cmd->profile_id = CPU_TO_LE16(profile_id);
1243 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1245 ice_memcpy(r_bitmap, cmd->recipe_assoc,
1246 sizeof(cmd->recipe_assoc), ICE_NONDMA_TO_NONDMA);
1252 * ice_alloc_recipe - add recipe resource
1253 * @hw: pointer to the hardware structure
1254 * @rid: recipe ID returned as response to AQ call
1256 enum ice_status ice_alloc_recipe(struct ice_hw *hw, u16 *rid)
1258 struct ice_aqc_alloc_free_res_elem *sw_buf;
1259 enum ice_status status;
1262 buf_len = sizeof(*sw_buf);
1263 sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
1265 return ICE_ERR_NO_MEMORY;
1267 sw_buf->num_elems = CPU_TO_LE16(1);
1268 sw_buf->res_type = CPU_TO_LE16((ICE_AQC_RES_TYPE_RECIPE <<
1269 ICE_AQC_RES_TYPE_S) |
1270 ICE_AQC_RES_TYPE_FLAG_SHARED);
1271 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
1272 ice_aqc_opc_alloc_res, NULL);
1274 *rid = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);
1275 ice_free(hw, sw_buf);
1280 /* ice_init_port_info - Initialize port_info with switch configuration data
1281 * @pi: pointer to port_info
1282 * @vsi_port_num: VSI number or port number
1283 * @type: Type of switch element (port or VSI)
1284 * @swid: switch ID of the switch the element is attached to
1285 * @pf_vf_num: PF or VF number
1286 * @is_vf: true if the element is a VF, false otherwise
1289 ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type,
1290 u16 swid, u16 pf_vf_num, bool is_vf)
1293 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
1294 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK);
1296 pi->pf_vf_num = pf_vf_num;
1298 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL;
1299 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL;
1302 ice_debug(pi->hw, ICE_DBG_SW,
1303 "incorrect VSI/port type received\n");
1308 /* ice_get_initial_sw_cfg - Get initial port and default VSI data
1309 * @hw: pointer to the hardware structure
1311 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw)
1313 struct ice_aqc_get_sw_cfg_resp *rbuf;
1314 enum ice_status status;
1315 u16 num_total_ports;
1321 num_total_ports = 1;
1323 rbuf = (struct ice_aqc_get_sw_cfg_resp *)
1324 ice_malloc(hw, ICE_SW_CFG_MAX_BUF_LEN);
1327 return ICE_ERR_NO_MEMORY;
1329 /* Multiple calls to ice_aq_get_sw_cfg may be required
1330 * to get all the switch configuration information. The need
1331 * for additional calls is indicated by ice_aq_get_sw_cfg
1332 * writing a non-zero value in req_desc
1335 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN,
1336 &req_desc, &num_elems, NULL);
1341 for (i = 0; i < num_elems; i++) {
1342 struct ice_aqc_get_sw_cfg_resp_elem *ele;
1343 u16 pf_vf_num, swid, vsi_port_num;
1347 ele = rbuf[i].elements;
1348 vsi_port_num = LE16_TO_CPU(ele->vsi_port_num) &
1349 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M;
1351 pf_vf_num = LE16_TO_CPU(ele->pf_vf_num) &
1352 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M;
1354 swid = LE16_TO_CPU(ele->swid);
1356 if (LE16_TO_CPU(ele->pf_vf_num) &
1357 ICE_AQC_GET_SW_CONF_RESP_IS_VF)
1360 type = LE16_TO_CPU(ele->vsi_port_num) >>
1361 ICE_AQC_GET_SW_CONF_RESP_TYPE_S;
1364 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
1365 case ICE_AQC_GET_SW_CONF_RESP_VIRT_PORT:
1366 if (j == num_total_ports) {
1367 ice_debug(hw, ICE_DBG_SW,
1368 "more ports than expected\n");
1369 status = ICE_ERR_CFG;
1372 ice_init_port_info(hw->port_info,
1373 vsi_port_num, type, swid,
1381 } while (req_desc && !status);
1385 ice_free(hw, (void *)rbuf);
1391 * ice_fill_sw_info - Helper function to populate lb_en and lan_en
1392 * @hw: pointer to the hardware structure
1393 * @fi: filter info structure to fill/update
1395 * This helper function populates the lb_en and lan_en elements of the provided
1396 * ice_fltr_info struct using the switch's type and characteristics of the
1397 * switch rule being configured.
1399 static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)
1403 if ((fi->flag & ICE_FLTR_TX) &&
1404 (fi->fltr_act == ICE_FWD_TO_VSI ||
1405 fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
1406 fi->fltr_act == ICE_FWD_TO_Q ||
1407 fi->fltr_act == ICE_FWD_TO_QGRP)) {
1408 /* Setting LB for prune actions will result in replicated
1409 * packets to the internal switch that will be dropped.
1411 if (fi->lkup_type != ICE_SW_LKUP_VLAN)
1414 /* Set lan_en to TRUE if
1415 * 1. The switch is a VEB AND
1417 * 2.1 The lookup is a directional lookup like ethertype,
1418 * promiscuous, ethertype-MAC, promiscuous-VLAN
1419 * and default-port OR
1420 * 2.2 The lookup is VLAN, OR
1421 * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR
1422 * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC.
1426 * The switch is a VEPA.
1428 * In all other cases, the LAN enable has to be set to false.
1431 if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE ||
1432 fi->lkup_type == ICE_SW_LKUP_PROMISC ||
1433 fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
1434 fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1435 fi->lkup_type == ICE_SW_LKUP_DFLT ||
1436 fi->lkup_type == ICE_SW_LKUP_VLAN ||
1437 (fi->lkup_type == ICE_SW_LKUP_MAC &&
1438 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)) ||
1439 (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN &&
1440 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)))
1449 * ice_ilog2 - Calculates integer log base 2 of a number
1450 * @n: number on which to perform operation
1452 static int ice_ilog2(u64 n)
1456 for (i = 63; i >= 0; i--)
1457 if (((u64)1 << i) & n)
1465 * ice_fill_sw_rule - Helper function to fill switch rule structure
1466 * @hw: pointer to the hardware structure
1467 * @f_info: entry containing packet forwarding information
1468 * @s_rule: switch rule structure to be filled in based on mac_entry
1469 * @opc: switch rules population command type - pass in the command opcode
1472 ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info,
1473 struct ice_aqc_sw_rules_elem *s_rule, enum ice_adminq_opc opc)
1475 u16 vlan_id = ICE_MAX_VLAN_ID + 1;
1484 if (opc == ice_aqc_opc_remove_sw_rules) {
1485 s_rule->pdata.lkup_tx_rx.act = 0;
1486 s_rule->pdata.lkup_tx_rx.index =
1487 CPU_TO_LE16(f_info->fltr_rule_id);
1488 s_rule->pdata.lkup_tx_rx.hdr_len = 0;
1492 eth_hdr_sz = sizeof(dummy_eth_header);
1493 eth_hdr = s_rule->pdata.lkup_tx_rx.hdr;
1495 /* initialize the ether header with a dummy header */
1496 ice_memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz, ICE_NONDMA_TO_NONDMA);
1497 ice_fill_sw_info(hw, f_info);
1499 switch (f_info->fltr_act) {
1500 case ICE_FWD_TO_VSI:
1501 act |= (f_info->fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) &
1502 ICE_SINGLE_ACT_VSI_ID_M;
1503 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
1504 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
1505 ICE_SINGLE_ACT_VALID_BIT;
1507 case ICE_FWD_TO_VSI_LIST:
1508 act |= ICE_SINGLE_ACT_VSI_LIST;
1509 act |= (f_info->fwd_id.vsi_list_id <<
1510 ICE_SINGLE_ACT_VSI_LIST_ID_S) &
1511 ICE_SINGLE_ACT_VSI_LIST_ID_M;
1512 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
1513 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
1514 ICE_SINGLE_ACT_VALID_BIT;
1517 act |= ICE_SINGLE_ACT_TO_Q;
1518 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
1519 ICE_SINGLE_ACT_Q_INDEX_M;
1521 case ICE_DROP_PACKET:
1522 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
1523 ICE_SINGLE_ACT_VALID_BIT;
1525 case ICE_FWD_TO_QGRP:
1526 q_rgn = f_info->qgrp_size > 0 ?
1527 (u8)ice_ilog2(f_info->qgrp_size) : 0;
1528 act |= ICE_SINGLE_ACT_TO_Q;
1529 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
1530 ICE_SINGLE_ACT_Q_INDEX_M;
1531 act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) &
1532 ICE_SINGLE_ACT_Q_REGION_M;
1539 act |= ICE_SINGLE_ACT_LB_ENABLE;
1541 act |= ICE_SINGLE_ACT_LAN_ENABLE;
1543 switch (f_info->lkup_type) {
1544 case ICE_SW_LKUP_MAC:
1545 daddr = f_info->l_data.mac.mac_addr;
1547 case ICE_SW_LKUP_VLAN:
1548 vlan_id = f_info->l_data.vlan.vlan_id;
1549 if (f_info->fltr_act == ICE_FWD_TO_VSI ||
1550 f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
1551 act |= ICE_SINGLE_ACT_PRUNE;
1552 act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS;
1555 case ICE_SW_LKUP_ETHERTYPE_MAC:
1556 daddr = f_info->l_data.ethertype_mac.mac_addr;
1558 case ICE_SW_LKUP_ETHERTYPE:
1559 off = (__be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
1560 *off = CPU_TO_BE16(f_info->l_data.ethertype_mac.ethertype);
1562 case ICE_SW_LKUP_MAC_VLAN:
1563 daddr = f_info->l_data.mac_vlan.mac_addr;
1564 vlan_id = f_info->l_data.mac_vlan.vlan_id;
1566 case ICE_SW_LKUP_PROMISC_VLAN:
1567 vlan_id = f_info->l_data.mac_vlan.vlan_id;
1569 case ICE_SW_LKUP_PROMISC:
1570 daddr = f_info->l_data.mac_vlan.mac_addr;
1576 s_rule->type = (f_info->flag & ICE_FLTR_RX) ?
1577 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX) :
1578 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX);
1580 /* Recipe set depending on lookup type */
1581 s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(f_info->lkup_type);
1582 s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(f_info->src);
1583 s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
1586 ice_memcpy(eth_hdr + ICE_ETH_DA_OFFSET, daddr, ETH_ALEN,
1587 ICE_NONDMA_TO_NONDMA);
1589 if (!(vlan_id > ICE_MAX_VLAN_ID)) {
1590 off = (__be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET);
1591 *off = CPU_TO_BE16(vlan_id);
1594 /* Create the switch rule with the final dummy Ethernet header */
1595 if (opc != ice_aqc_opc_update_sw_rules)
1596 s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(eth_hdr_sz);
1600 * ice_add_marker_act
1601 * @hw: pointer to the hardware structure
1602 * @m_ent: the management entry for which sw marker needs to be added
1603 * @sw_marker: sw marker to tag the Rx descriptor with
1604 * @l_id: large action resource ID
1606 * Create a large action to hold software marker and update the switch rule
1607 * entry pointed by m_ent with newly created large action
1609 static enum ice_status
1610 ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
1611 u16 sw_marker, u16 l_id)
1613 struct ice_aqc_sw_rules_elem *lg_act, *rx_tx;
1614 /* For software marker we need 3 large actions
1615 * 1. FWD action: FWD TO VSI or VSI LIST
1616 * 2. GENERIC VALUE action to hold the profile ID
1617 * 3. GENERIC VALUE action to hold the software marker ID
1619 const u16 num_lg_acts = 3;
1620 enum ice_status status;
1626 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
1627 return ICE_ERR_PARAM;
1629 /* Create two back-to-back switch rules and submit them to the HW using
1630 * one memory buffer:
1634 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_lg_acts);
1635 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
1636 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rules_size);
1638 return ICE_ERR_NO_MEMORY;
1640 rx_tx = (struct ice_aqc_sw_rules_elem *)((u8 *)lg_act + lg_act_size);
1642 /* Fill in the first switch rule i.e. large action */
1643 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
1644 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id);
1645 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_lg_acts);
1647 /* First action VSI forwarding or VSI list forwarding depending on how
1650 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
1651 m_ent->fltr_info.fwd_id.hw_vsi_id;
1653 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
1654 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) &
1655 ICE_LG_ACT_VSI_LIST_ID_M;
1656 if (m_ent->vsi_count > 1)
1657 act |= ICE_LG_ACT_VSI_LIST;
1658 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act);
1660 /* Second action descriptor type */
1661 act = ICE_LG_ACT_GENERIC;
1663 act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M;
1664 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act);
1666 act = (ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX <<
1667 ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_OFFSET_M;
1669 /* Third action Marker value */
1670 act |= ICE_LG_ACT_GENERIC;
1671 act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) &
1672 ICE_LG_ACT_GENERIC_VALUE_M;
1674 lg_act->pdata.lg_act.act[2] = CPU_TO_LE32(act);
1676 /* call the fill switch rule to fill the lookup Tx Rx structure */
1677 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
1678 ice_aqc_opc_update_sw_rules);
1680 /* Update the action to point to the large action ID */
1681 rx_tx->pdata.lkup_tx_rx.act =
1682 CPU_TO_LE32(ICE_SINGLE_ACT_PTR |
1683 ((l_id << ICE_SINGLE_ACT_PTR_VAL_S) &
1684 ICE_SINGLE_ACT_PTR_VAL_M));
1686 /* Use the filter rule ID of the previously created rule with single
1687 * act. Once the update happens, hardware will treat this as large
1690 rx_tx->pdata.lkup_tx_rx.index =
1691 CPU_TO_LE16(m_ent->fltr_info.fltr_rule_id);
1693 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
1694 ice_aqc_opc_update_sw_rules, NULL);
1696 m_ent->lg_act_idx = l_id;
1697 m_ent->sw_marker_id = sw_marker;
1700 ice_free(hw, lg_act);
1705 * ice_add_counter_act - add/update filter rule with counter action
1706 * @hw: pointer to the hardware structure
1707 * @m_ent: the management entry for which counter needs to be added
1708 * @counter_id: VLAN counter ID returned as part of allocate resource
1709 * @l_id: large action resource ID
1711 static enum ice_status
1712 ice_add_counter_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
1713 u16 counter_id, u16 l_id)
1715 struct ice_aqc_sw_rules_elem *lg_act;
1716 struct ice_aqc_sw_rules_elem *rx_tx;
1717 enum ice_status status;
1718 /* 2 actions will be added while adding a large action counter */
1719 const int num_acts = 2;
1726 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
1727 return ICE_ERR_PARAM;
1729 /* Create two back-to-back switch rules and submit them to the HW using
1730 * one memory buffer:
1734 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_acts);
1735 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
1736 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw,
1739 return ICE_ERR_NO_MEMORY;
1741 rx_tx = (struct ice_aqc_sw_rules_elem *)
1742 ((u8 *)lg_act + lg_act_size);
1744 /* Fill in the first switch rule i.e. large action */
1745 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
1746 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id);
1747 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_acts);
1749 /* First action VSI forwarding or VSI list forwarding depending on how
1752 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
1753 m_ent->fltr_info.fwd_id.hw_vsi_id;
1755 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
1756 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) &
1757 ICE_LG_ACT_VSI_LIST_ID_M;
1758 if (m_ent->vsi_count > 1)
1759 act |= ICE_LG_ACT_VSI_LIST;
1760 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act);
1762 /* Second action counter ID */
1763 act = ICE_LG_ACT_STAT_COUNT;
1764 act |= (counter_id << ICE_LG_ACT_STAT_COUNT_S) &
1765 ICE_LG_ACT_STAT_COUNT_M;
1766 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act);
1768 /* call the fill switch rule to fill the lookup Tx Rx structure */
1769 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
1770 ice_aqc_opc_update_sw_rules);
1772 act = ICE_SINGLE_ACT_PTR;
1773 act |= (l_id << ICE_SINGLE_ACT_PTR_VAL_S) & ICE_SINGLE_ACT_PTR_VAL_M;
1774 rx_tx->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
1776 /* Use the filter rule ID of the previously created rule with single
1777 * act. Once the update happens, hardware will treat this as large
1780 f_rule_id = m_ent->fltr_info.fltr_rule_id;
1781 rx_tx->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_rule_id);
1783 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
1784 ice_aqc_opc_update_sw_rules, NULL);
1786 m_ent->lg_act_idx = l_id;
1787 m_ent->counter_index = counter_id;
1790 ice_free(hw, lg_act);
1795 * ice_create_vsi_list_map
1796 * @hw: pointer to the hardware structure
1797 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping
1798 * @num_vsi: number of VSI handles in the array
1799 * @vsi_list_id: VSI list ID generated as part of allocate resource
1801 * Helper function to create a new entry of VSI list ID to VSI mapping
1802 * using the given VSI list ID
1804 static struct ice_vsi_list_map_info *
1805 ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1808 struct ice_switch_info *sw = hw->switch_info;
1809 struct ice_vsi_list_map_info *v_map;
1812 v_map = (struct ice_vsi_list_map_info *)ice_calloc(hw, 1,
1817 v_map->vsi_list_id = vsi_list_id;
1819 for (i = 0; i < num_vsi; i++)
1820 ice_set_bit(vsi_handle_arr[i], v_map->vsi_map);
1822 LIST_ADD(&v_map->list_entry, &sw->vsi_list_map_head);
1827 * ice_update_vsi_list_rule
1828 * @hw: pointer to the hardware structure
1829 * @vsi_handle_arr: array of VSI handles to form a VSI list
1830 * @num_vsi: number of VSI handles in the array
1831 * @vsi_list_id: VSI list ID generated as part of allocate resource
1832 * @remove: Boolean value to indicate if this is a remove action
1833 * @opc: switch rules population command type - pass in the command opcode
1834 * @lkup_type: lookup type of the filter
1836 * Call AQ command to add a new switch rule or update existing switch rule
1837 * using the given VSI list ID
1839 static enum ice_status
1840 ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1841 u16 vsi_list_id, bool remove, enum ice_adminq_opc opc,
1842 enum ice_sw_lkup_type lkup_type)
1844 struct ice_aqc_sw_rules_elem *s_rule;
1845 enum ice_status status;
1851 return ICE_ERR_PARAM;
1853 if (lkup_type == ICE_SW_LKUP_MAC ||
1854 lkup_type == ICE_SW_LKUP_MAC_VLAN ||
1855 lkup_type == ICE_SW_LKUP_ETHERTYPE ||
1856 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
1857 lkup_type == ICE_SW_LKUP_PROMISC ||
1858 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1859 lkup_type == ICE_SW_LKUP_LAST)
1860 type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR :
1861 ICE_AQC_SW_RULES_T_VSI_LIST_SET;
1862 else if (lkup_type == ICE_SW_LKUP_VLAN)
1863 type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR :
1864 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET;
1866 return ICE_ERR_PARAM;
1868 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(num_vsi);
1869 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
1871 return ICE_ERR_NO_MEMORY;
1872 for (i = 0; i < num_vsi; i++) {
1873 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) {
1874 status = ICE_ERR_PARAM;
1877 /* AQ call requires hw_vsi_id(s) */
1878 s_rule->pdata.vsi_list.vsi[i] =
1879 CPU_TO_LE16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i]));
1882 s_rule->type = CPU_TO_LE16(type);
1883 s_rule->pdata.vsi_list.number_vsi = CPU_TO_LE16(num_vsi);
1884 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id);
1886 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL);
1889 ice_free(hw, s_rule);
1894 * ice_create_vsi_list_rule - Creates and populates a VSI list rule
1895 * @hw: pointer to the HW struct
1896 * @vsi_handle_arr: array of VSI handles to form a VSI list
1897 * @num_vsi: number of VSI handles in the array
1898 * @vsi_list_id: stores the ID of the VSI list to be created
1899 * @lkup_type: switch rule filter's lookup type
1901 static enum ice_status
1902 ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1903 u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type)
1905 enum ice_status status;
1907 status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type,
1908 ice_aqc_opc_alloc_res);
1912 /* Update the newly created VSI list to include the specified VSIs */
1913 return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi,
1914 *vsi_list_id, false,
1915 ice_aqc_opc_add_sw_rules, lkup_type);
1919 * ice_create_pkt_fwd_rule
1920 * @hw: pointer to the hardware structure
1921 * @f_entry: entry containing packet forwarding information
1923 * Create switch rule with given filter information and add an entry
1924 * to the corresponding filter management list to track this switch rule
1927 static enum ice_status
1928 ice_create_pkt_fwd_rule(struct ice_hw *hw,
1929 struct ice_fltr_list_entry *f_entry)
1931 struct ice_fltr_mgmt_list_entry *fm_entry;
1932 struct ice_aqc_sw_rules_elem *s_rule;
1933 enum ice_sw_lkup_type l_type;
1934 struct ice_sw_recipe *recp;
1935 enum ice_status status;
1937 s_rule = (struct ice_aqc_sw_rules_elem *)
1938 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE);
1940 return ICE_ERR_NO_MEMORY;
1941 fm_entry = (struct ice_fltr_mgmt_list_entry *)
1942 ice_malloc(hw, sizeof(*fm_entry));
1944 status = ICE_ERR_NO_MEMORY;
1945 goto ice_create_pkt_fwd_rule_exit;
1948 fm_entry->fltr_info = f_entry->fltr_info;
1950 /* Initialize all the fields for the management entry */
1951 fm_entry->vsi_count = 1;
1952 fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX;
1953 fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID;
1954 fm_entry->counter_index = ICE_INVAL_COUNTER_ID;
1956 ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule,
1957 ice_aqc_opc_add_sw_rules);
1959 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
1960 ice_aqc_opc_add_sw_rules, NULL);
1962 ice_free(hw, fm_entry);
1963 goto ice_create_pkt_fwd_rule_exit;
1966 f_entry->fltr_info.fltr_rule_id =
1967 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
1968 fm_entry->fltr_info.fltr_rule_id =
1969 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
1971 /* The book keeping entries will get removed when base driver
1972 * calls remove filter AQ command
1974 l_type = fm_entry->fltr_info.lkup_type;
1975 recp = &hw->switch_info->recp_list[l_type];
1976 LIST_ADD(&fm_entry->list_entry, &recp->filt_rules);
1978 ice_create_pkt_fwd_rule_exit:
1979 ice_free(hw, s_rule);
1984 * ice_update_pkt_fwd_rule
1985 * @hw: pointer to the hardware structure
1986 * @f_info: filter information for switch rule
1988 * Call AQ command to update a previously created switch rule with a
1991 static enum ice_status
1992 ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info)
1994 struct ice_aqc_sw_rules_elem *s_rule;
1995 enum ice_status status;
1997 s_rule = (struct ice_aqc_sw_rules_elem *)
1998 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE);
2000 return ICE_ERR_NO_MEMORY;
2002 ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules);
2004 s_rule->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_info->fltr_rule_id);
2006 /* Update switch rule with new rule set to forward VSI list */
2007 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
2008 ice_aqc_opc_update_sw_rules, NULL);
2010 ice_free(hw, s_rule);
2015 * ice_update_sw_rule_bridge_mode
2016 * @hw: pointer to the HW struct
2018 * Updates unicast switch filter rules based on VEB/VEPA mode
2020 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw)
2022 struct ice_switch_info *sw = hw->switch_info;
2023 struct ice_fltr_mgmt_list_entry *fm_entry;
2024 enum ice_status status = ICE_SUCCESS;
2025 struct LIST_HEAD_TYPE *rule_head;
2026 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2028 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
2029 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;
2031 ice_acquire_lock(rule_lock);
2032 LIST_FOR_EACH_ENTRY(fm_entry, rule_head, ice_fltr_mgmt_list_entry,
2034 struct ice_fltr_info *fi = &fm_entry->fltr_info;
2035 u8 *addr = fi->l_data.mac.mac_addr;
2037 /* Update unicast Tx rules to reflect the selected
2040 if ((fi->flag & ICE_FLTR_TX) && IS_UNICAST_ETHER_ADDR(addr) &&
2041 (fi->fltr_act == ICE_FWD_TO_VSI ||
2042 fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
2043 fi->fltr_act == ICE_FWD_TO_Q ||
2044 fi->fltr_act == ICE_FWD_TO_QGRP)) {
2045 status = ice_update_pkt_fwd_rule(hw, fi);
2051 ice_release_lock(rule_lock);
2057 * ice_add_update_vsi_list
2058 * @hw: pointer to the hardware structure
2059 * @m_entry: pointer to current filter management list entry
2060 * @cur_fltr: filter information from the book keeping entry
2061 * @new_fltr: filter information with the new VSI to be added
2063 * Call AQ command to add or update previously created VSI list with new VSI.
2065 * Helper function to do book keeping associated with adding filter information
2066 * The algorithm to do the book keeping is described below :
2067 * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.)
2068 * if only one VSI has been added till now
2069 * Allocate a new VSI list and add two VSIs
2070 * to this list using switch rule command
2071 * Update the previously created switch rule with the
2072 * newly created VSI list ID
2073 * if a VSI list was previously created
2074 * Add the new VSI to the previously created VSI list set
2075 * using the update switch rule command
2077 static enum ice_status
2078 ice_add_update_vsi_list(struct ice_hw *hw,
2079 struct ice_fltr_mgmt_list_entry *m_entry,
2080 struct ice_fltr_info *cur_fltr,
2081 struct ice_fltr_info *new_fltr)
2083 enum ice_status status = ICE_SUCCESS;
2084 u16 vsi_list_id = 0;
2086 if ((cur_fltr->fltr_act == ICE_FWD_TO_Q ||
2087 cur_fltr->fltr_act == ICE_FWD_TO_QGRP))
2088 return ICE_ERR_NOT_IMPL;
2090 if ((new_fltr->fltr_act == ICE_FWD_TO_Q ||
2091 new_fltr->fltr_act == ICE_FWD_TO_QGRP) &&
2092 (cur_fltr->fltr_act == ICE_FWD_TO_VSI ||
2093 cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST))
2094 return ICE_ERR_NOT_IMPL;
2096 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
2097 /* Only one entry existed in the mapping and it was not already
2098 * a part of a VSI list. So, create a VSI list with the old and
2101 struct ice_fltr_info tmp_fltr;
2102 u16 vsi_handle_arr[2];
2104 /* A rule already exists with the new VSI being added */
2105 if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id)
2106 return ICE_ERR_ALREADY_EXISTS;
2108 vsi_handle_arr[0] = cur_fltr->vsi_handle;
2109 vsi_handle_arr[1] = new_fltr->vsi_handle;
2110 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
2112 new_fltr->lkup_type);
2116 tmp_fltr = *new_fltr;
2117 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
2118 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
2119 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
2120 /* Update the previous switch rule of "MAC forward to VSI" to
2121 * "MAC fwd to VSI list"
2123 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
2127 cur_fltr->fwd_id.vsi_list_id = vsi_list_id;
2128 cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
2129 m_entry->vsi_list_info =
2130 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
2133 /* If this entry was large action then the large action needs
2134 * to be updated to point to FWD to VSI list
2136 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID)
2138 ice_add_marker_act(hw, m_entry,
2139 m_entry->sw_marker_id,
2140 m_entry->lg_act_idx);
2142 u16 vsi_handle = new_fltr->vsi_handle;
2143 enum ice_adminq_opc opcode;
2145 if (!m_entry->vsi_list_info)
2148 /* A rule already exists with the new VSI being added */
2149 if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle))
2152 /* Update the previously created VSI list set with
2153 * the new VSI ID passed in
2155 vsi_list_id = cur_fltr->fwd_id.vsi_list_id;
2156 opcode = ice_aqc_opc_update_sw_rules;
2158 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
2159 vsi_list_id, false, opcode,
2160 new_fltr->lkup_type);
2161 /* update VSI list mapping info with new VSI ID */
2163 ice_set_bit(vsi_handle,
2164 m_entry->vsi_list_info->vsi_map);
2167 m_entry->vsi_count++;
2172 * ice_find_rule_entry - Search a rule entry
2173 * @hw: pointer to the hardware structure
2174 * @recp_id: lookup type for which the specified rule needs to be searched
2175 * @f_info: rule information
2177 * Helper function to search for a given rule entry
2178 * Returns pointer to entry storing the rule if found
2180 static struct ice_fltr_mgmt_list_entry *
2181 ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info)
2183 struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL;
2184 struct ice_switch_info *sw = hw->switch_info;
2185 struct LIST_HEAD_TYPE *list_head;
2187 list_head = &sw->recp_list[recp_id].filt_rules;
2188 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
2190 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
2191 sizeof(f_info->l_data)) &&
2192 f_info->flag == list_itr->fltr_info.flag) {
2201 * ice_find_vsi_list_entry - Search VSI list map with VSI count 1
2202 * @hw: pointer to the hardware structure
2203 * @recp_id: lookup type for which VSI lists needs to be searched
2204 * @vsi_handle: VSI handle to be found in VSI list
2205 * @vsi_list_id: VSI list ID found containing vsi_handle
2207 * Helper function to search a VSI list with single entry containing given VSI
2208 * handle element. This can be extended further to search VSI list with more
2209 * than 1 vsi_count. Returns pointer to VSI list entry if found.
2211 static struct ice_vsi_list_map_info *
2212 ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle,
2215 struct ice_vsi_list_map_info *map_info = NULL;
2216 struct ice_switch_info *sw = hw->switch_info;
2217 struct LIST_HEAD_TYPE *list_head;
2219 list_head = &sw->recp_list[recp_id].filt_rules;
2220 if (sw->recp_list[recp_id].adv_rule) {
2221 struct ice_adv_fltr_mgmt_list_entry *list_itr;
2223 LIST_FOR_EACH_ENTRY(list_itr, list_head,
2224 ice_adv_fltr_mgmt_list_entry,
2226 if (list_itr->vsi_list_info) {
2227 map_info = list_itr->vsi_list_info;
2228 if (ice_is_bit_set(map_info->vsi_map,
2230 *vsi_list_id = map_info->vsi_list_id;
2236 struct ice_fltr_mgmt_list_entry *list_itr;
2238 LIST_FOR_EACH_ENTRY(list_itr, list_head,
2239 ice_fltr_mgmt_list_entry,
2241 if (list_itr->vsi_count == 1 &&
2242 list_itr->vsi_list_info) {
2243 map_info = list_itr->vsi_list_info;
2244 if (ice_is_bit_set(map_info->vsi_map,
2246 *vsi_list_id = map_info->vsi_list_id;
2256 * ice_add_rule_internal - add rule for a given lookup type
2257 * @hw: pointer to the hardware structure
2258 * @recp_id: lookup type (recipe ID) for which rule has to be added
2259 * @f_entry: structure containing MAC forwarding information
2261 * Adds or updates the rule lists for a given recipe
2263 static enum ice_status
2264 ice_add_rule_internal(struct ice_hw *hw, u8 recp_id,
2265 struct ice_fltr_list_entry *f_entry)
2267 struct ice_switch_info *sw = hw->switch_info;
2268 struct ice_fltr_info *new_fltr, *cur_fltr;
2269 struct ice_fltr_mgmt_list_entry *m_entry;
2270 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2271 enum ice_status status = ICE_SUCCESS;
2273 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2274 return ICE_ERR_PARAM;
2276 /* Load the hw_vsi_id only if the fwd action is fwd to VSI */
2277 if (f_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI)
2278 f_entry->fltr_info.fwd_id.hw_vsi_id =
2279 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2281 rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
2283 ice_acquire_lock(rule_lock);
2284 new_fltr = &f_entry->fltr_info;
2285 if (new_fltr->flag & ICE_FLTR_RX)
2286 new_fltr->src = hw->port_info->lport;
2287 else if (new_fltr->flag & ICE_FLTR_TX)
2289 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2291 m_entry = ice_find_rule_entry(hw, recp_id, new_fltr);
2293 ice_release_lock(rule_lock);
2294 return ice_create_pkt_fwd_rule(hw, f_entry);
2297 cur_fltr = &m_entry->fltr_info;
2298 status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr);
2299 ice_release_lock(rule_lock);
2305 * ice_remove_vsi_list_rule
2306 * @hw: pointer to the hardware structure
2307 * @vsi_list_id: VSI list ID generated as part of allocate resource
2308 * @lkup_type: switch rule filter lookup type
2310 * The VSI list should be emptied before this function is called to remove the
2313 static enum ice_status
2314 ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id,
2315 enum ice_sw_lkup_type lkup_type)
2317 struct ice_aqc_sw_rules_elem *s_rule;
2318 enum ice_status status;
2321 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(0);
2322 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
2324 return ICE_ERR_NO_MEMORY;
2326 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR);
2327 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id);
2329 /* Free the vsi_list resource that we allocated. It is assumed that the
2330 * list is empty at this point.
2332 status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type,
2333 ice_aqc_opc_free_res);
2335 ice_free(hw, s_rule);
2340 * ice_rem_update_vsi_list
2341 * @hw: pointer to the hardware structure
2342 * @vsi_handle: VSI handle of the VSI to remove
2343 * @fm_list: filter management entry for which the VSI list management needs to
2346 static enum ice_status
2347 ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
2348 struct ice_fltr_mgmt_list_entry *fm_list)
2350 enum ice_sw_lkup_type lkup_type;
2351 enum ice_status status = ICE_SUCCESS;
2354 if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST ||
2355 fm_list->vsi_count == 0)
2356 return ICE_ERR_PARAM;
2358 /* A rule with the VSI being removed does not exist */
2359 if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle))
2360 return ICE_ERR_DOES_NOT_EXIST;
2362 lkup_type = fm_list->fltr_info.lkup_type;
2363 vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id;
2364 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
2365 ice_aqc_opc_update_sw_rules,
2370 fm_list->vsi_count--;
2371 ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
2373 if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) {
2374 struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info;
2375 struct ice_vsi_list_map_info *vsi_list_info =
2376 fm_list->vsi_list_info;
2379 rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map,
2381 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
2382 return ICE_ERR_OUT_OF_RANGE;
2384 /* Make sure VSI list is empty before removing it below */
2385 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
2387 ice_aqc_opc_update_sw_rules,
2392 tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI;
2393 tmp_fltr_info.fwd_id.hw_vsi_id =
2394 ice_get_hw_vsi_num(hw, rem_vsi_handle);
2395 tmp_fltr_info.vsi_handle = rem_vsi_handle;
2396 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info);
2398 ice_debug(hw, ICE_DBG_SW,
2399 "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
2400 tmp_fltr_info.fwd_id.hw_vsi_id, status);
2404 fm_list->fltr_info = tmp_fltr_info;
2407 if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) ||
2408 (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) {
2409 struct ice_vsi_list_map_info *vsi_list_info =
2410 fm_list->vsi_list_info;
2412 /* Remove the VSI list since it is no longer used */
2413 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
2415 ice_debug(hw, ICE_DBG_SW,
2416 "Failed to remove VSI list %d, error %d\n",
2417 vsi_list_id, status);
2421 LIST_DEL(&vsi_list_info->list_entry);
2422 ice_free(hw, vsi_list_info);
2423 fm_list->vsi_list_info = NULL;
2430 * ice_remove_rule_internal - Remove a filter rule of a given type
2432 * @hw: pointer to the hardware structure
2433 * @recp_id: recipe ID for which the rule needs to removed
2434 * @f_entry: rule entry containing filter information
2436 static enum ice_status
2437 ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id,
2438 struct ice_fltr_list_entry *f_entry)
2440 struct ice_switch_info *sw = hw->switch_info;
2441 struct ice_fltr_mgmt_list_entry *list_elem;
2442 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2443 enum ice_status status = ICE_SUCCESS;
2444 bool remove_rule = false;
2447 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2448 return ICE_ERR_PARAM;
2449 f_entry->fltr_info.fwd_id.hw_vsi_id =
2450 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2452 rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
2453 ice_acquire_lock(rule_lock);
2454 list_elem = ice_find_rule_entry(hw, recp_id, &f_entry->fltr_info);
2456 status = ICE_ERR_DOES_NOT_EXIST;
2460 if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) {
2462 } else if (!list_elem->vsi_list_info) {
2463 status = ICE_ERR_DOES_NOT_EXIST;
2465 } else if (list_elem->vsi_list_info->ref_cnt > 1) {
2466 /* a ref_cnt > 1 indicates that the vsi_list is being
2467 * shared by multiple rules. Decrement the ref_cnt and
2468 * remove this rule, but do not modify the list, as it
2469 * is in-use by other rules.
2471 list_elem->vsi_list_info->ref_cnt--;
2474 /* a ref_cnt of 1 indicates the vsi_list is only used
2475 * by one rule. However, the original removal request is only
2476 * for a single VSI. Update the vsi_list first, and only
2477 * remove the rule if there are no further VSIs in this list.
2479 vsi_handle = f_entry->fltr_info.vsi_handle;
2480 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem);
2483 /* if VSI count goes to zero after updating the VSI list */
2484 if (list_elem->vsi_count == 0)
2489 /* Remove the lookup rule */
2490 struct ice_aqc_sw_rules_elem *s_rule;
2492 s_rule = (struct ice_aqc_sw_rules_elem *)
2493 ice_malloc(hw, ICE_SW_RULE_RX_TX_NO_HDR_SIZE);
2495 status = ICE_ERR_NO_MEMORY;
2499 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule,
2500 ice_aqc_opc_remove_sw_rules);
2502 status = ice_aq_sw_rules(hw, s_rule,
2503 ICE_SW_RULE_RX_TX_NO_HDR_SIZE, 1,
2504 ice_aqc_opc_remove_sw_rules, NULL);
2508 /* Remove a book keeping from the list */
2509 ice_free(hw, s_rule);
2511 LIST_DEL(&list_elem->list_entry);
2512 ice_free(hw, list_elem);
2515 ice_release_lock(rule_lock);
2520 * ice_aq_get_res_alloc - get allocated resources
2521 * @hw: pointer to the HW struct
2522 * @num_entries: pointer to u16 to store the number of resource entries returned
2523 * @buf: pointer to user-supplied buffer
2524 * @buf_size: size of buff
2525 * @cd: pointer to command details structure or NULL
2527 * The user-supplied buffer must be large enough to store the resource
2528 * information for all resource types. Each resource type is an
2529 * ice_aqc_get_res_resp_data_elem structure.
2532 ice_aq_get_res_alloc(struct ice_hw *hw, u16 *num_entries, void *buf,
2533 u16 buf_size, struct ice_sq_cd *cd)
2535 struct ice_aqc_get_res_alloc *resp;
2536 enum ice_status status;
2537 struct ice_aq_desc desc;
2540 return ICE_ERR_BAD_PTR;
2542 if (buf_size < ICE_AQ_GET_RES_ALLOC_BUF_LEN)
2543 return ICE_ERR_INVAL_SIZE;
2545 resp = &desc.params.get_res;
2547 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_res_alloc);
2548 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
2550 if (!status && num_entries)
2551 *num_entries = LE16_TO_CPU(resp->resp_elem_num);
2557 * ice_aq_get_res_descs - get allocated resource descriptors
2558 * @hw: pointer to the hardware structure
2559 * @num_entries: number of resource entries in buffer
2560 * @buf: Indirect buffer to hold data parameters and response
2561 * @buf_size: size of buffer for indirect commands
2562 * @res_type: resource type
2563 * @res_shared: is resource shared
2564 * @desc_id: input - first desc ID to start; output - next desc ID
2565 * @cd: pointer to command details structure or NULL
2568 ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries,
2569 struct ice_aqc_get_allocd_res_desc_resp *buf,
2570 u16 buf_size, u16 res_type, bool res_shared, u16 *desc_id,
2571 struct ice_sq_cd *cd)
2573 struct ice_aqc_get_allocd_res_desc *cmd;
2574 struct ice_aq_desc desc;
2575 enum ice_status status;
2577 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_res_descs");
2579 cmd = &desc.params.get_res_desc;
2582 return ICE_ERR_PARAM;
2584 if (buf_size != (num_entries * sizeof(*buf)))
2585 return ICE_ERR_PARAM;
2587 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_allocd_res_desc);
2589 cmd->ops.cmd.res = CPU_TO_LE16(((res_type << ICE_AQC_RES_TYPE_S) &
2590 ICE_AQC_RES_TYPE_M) | (res_shared ?
2591 ICE_AQC_RES_TYPE_FLAG_SHARED : 0));
2592 cmd->ops.cmd.first_desc = CPU_TO_LE16(*desc_id);
2594 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
2596 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
2598 *desc_id = LE16_TO_CPU(cmd->ops.resp.next_desc);
2604 * ice_add_mac - Add a MAC address based filter rule
2605 * @hw: pointer to the hardware structure
2606 * @m_list: list of MAC addresses and forwarding information
2608 * IMPORTANT: When the ucast_shared flag is set to false and m_list has
2609 * multiple unicast addresses, the function assumes that all the
2610 * addresses are unique in a given add_mac call. It doesn't
2611 * check for duplicates in this case, removing duplicates from a given
2612 * list should be taken care of in the caller of this function.
2615 ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
2617 struct ice_aqc_sw_rules_elem *s_rule, *r_iter;
2618 struct ice_fltr_list_entry *m_list_itr;
2619 struct LIST_HEAD_TYPE *rule_head;
2620 u16 elem_sent, total_elem_left;
2621 struct ice_switch_info *sw;
2622 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2623 enum ice_status status = ICE_SUCCESS;
2624 u16 num_unicast = 0;
2628 return ICE_ERR_PARAM;
2630 sw = hw->switch_info;
2631 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
2632 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2634 u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0];
2638 m_list_itr->fltr_info.flag = ICE_FLTR_TX;
2639 vsi_handle = m_list_itr->fltr_info.vsi_handle;
2640 if (!ice_is_vsi_valid(hw, vsi_handle))
2641 return ICE_ERR_PARAM;
2642 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
2643 m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id;
2644 /* update the src in case it is VSI num */
2645 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI)
2646 return ICE_ERR_PARAM;
2647 m_list_itr->fltr_info.src = hw_vsi_id;
2648 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC ||
2649 IS_ZERO_ETHER_ADDR(add))
2650 return ICE_ERR_PARAM;
2651 if (IS_UNICAST_ETHER_ADDR(add) && !hw->ucast_shared) {
2652 /* Don't overwrite the unicast address */
2653 ice_acquire_lock(rule_lock);
2654 if (ice_find_rule_entry(hw, ICE_SW_LKUP_MAC,
2655 &m_list_itr->fltr_info)) {
2656 ice_release_lock(rule_lock);
2657 return ICE_ERR_ALREADY_EXISTS;
2659 ice_release_lock(rule_lock);
2661 } else if (IS_MULTICAST_ETHER_ADDR(add) ||
2662 (IS_UNICAST_ETHER_ADDR(add) && hw->ucast_shared)) {
2663 m_list_itr->status =
2664 ice_add_rule_internal(hw, ICE_SW_LKUP_MAC,
2666 if (m_list_itr->status)
2667 return m_list_itr->status;
2671 ice_acquire_lock(rule_lock);
2672 /* Exit if no suitable entries were found for adding bulk switch rule */
2674 status = ICE_SUCCESS;
2675 goto ice_add_mac_exit;
2678 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;
2680 /* Allocate switch rule buffer for the bulk update for unicast */
2681 s_rule_size = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
2682 s_rule = (struct ice_aqc_sw_rules_elem *)
2683 ice_calloc(hw, num_unicast, s_rule_size);
2685 status = ICE_ERR_NO_MEMORY;
2686 goto ice_add_mac_exit;
2690 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2692 struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
2693 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
2695 if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
2696 ice_fill_sw_rule(hw, &m_list_itr->fltr_info, r_iter,
2697 ice_aqc_opc_add_sw_rules);
2698 r_iter = (struct ice_aqc_sw_rules_elem *)
2699 ((u8 *)r_iter + s_rule_size);
2703 /* Call AQ bulk switch rule update for all unicast addresses */
2705 /* Call AQ switch rule in AQ_MAX chunk */
2706 for (total_elem_left = num_unicast; total_elem_left > 0;
2707 total_elem_left -= elem_sent) {
2708 struct ice_aqc_sw_rules_elem *entry = r_iter;
2710 elem_sent = min(total_elem_left,
2711 (u16)(ICE_AQ_MAX_BUF_LEN / s_rule_size));
2712 status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size,
2713 elem_sent, ice_aqc_opc_add_sw_rules,
2716 goto ice_add_mac_exit;
2717 r_iter = (struct ice_aqc_sw_rules_elem *)
2718 ((u8 *)r_iter + (elem_sent * s_rule_size));
2721 /* Fill up rule ID based on the value returned from FW */
2723 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2725 struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
2726 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
2727 struct ice_fltr_mgmt_list_entry *fm_entry;
2729 if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
2730 f_info->fltr_rule_id =
2731 LE16_TO_CPU(r_iter->pdata.lkup_tx_rx.index);
2732 f_info->fltr_act = ICE_FWD_TO_VSI;
2733 /* Create an entry to track this MAC address */
2734 fm_entry = (struct ice_fltr_mgmt_list_entry *)
2735 ice_malloc(hw, sizeof(*fm_entry));
2737 status = ICE_ERR_NO_MEMORY;
2738 goto ice_add_mac_exit;
2740 fm_entry->fltr_info = *f_info;
2741 fm_entry->vsi_count = 1;
2742 /* The book keeping entries will get removed when
2743 * base driver calls remove filter AQ command
2746 LIST_ADD(&fm_entry->list_entry, rule_head);
2747 r_iter = (struct ice_aqc_sw_rules_elem *)
2748 ((u8 *)r_iter + s_rule_size);
2753 ice_release_lock(rule_lock);
2755 ice_free(hw, s_rule);
2760 * ice_add_vlan_internal - Add one VLAN based filter rule
2761 * @hw: pointer to the hardware structure
2762 * @f_entry: filter entry containing one VLAN information
2764 static enum ice_status
2765 ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry)
2767 struct ice_switch_info *sw = hw->switch_info;
2768 struct ice_fltr_mgmt_list_entry *v_list_itr;
2769 struct ice_fltr_info *new_fltr, *cur_fltr;
2770 enum ice_sw_lkup_type lkup_type;
2771 u16 vsi_list_id = 0, vsi_handle;
2772 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2773 enum ice_status status = ICE_SUCCESS;
2775 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2776 return ICE_ERR_PARAM;
2778 f_entry->fltr_info.fwd_id.hw_vsi_id =
2779 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2780 new_fltr = &f_entry->fltr_info;
2782 /* VLAN ID should only be 12 bits */
2783 if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID)
2784 return ICE_ERR_PARAM;
2786 if (new_fltr->src_id != ICE_SRC_ID_VSI)
2787 return ICE_ERR_PARAM;
2789 new_fltr->src = new_fltr->fwd_id.hw_vsi_id;
2790 lkup_type = new_fltr->lkup_type;
2791 vsi_handle = new_fltr->vsi_handle;
2792 rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
2793 ice_acquire_lock(rule_lock);
2794 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr);
2796 struct ice_vsi_list_map_info *map_info = NULL;
2798 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) {
2799 /* All VLAN pruning rules use a VSI list. Check if
2800 * there is already a VSI list containing VSI that we
2801 * want to add. If found, use the same vsi_list_id for
2802 * this new VLAN rule or else create a new list.
2804 map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN,
2808 status = ice_create_vsi_list_rule(hw,
2816 /* Convert the action to forwarding to a VSI list. */
2817 new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
2818 new_fltr->fwd_id.vsi_list_id = vsi_list_id;
2821 status = ice_create_pkt_fwd_rule(hw, f_entry);
2823 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN,
2826 status = ICE_ERR_DOES_NOT_EXIST;
2829 /* reuse VSI list for new rule and increment ref_cnt */
2831 v_list_itr->vsi_list_info = map_info;
2832 map_info->ref_cnt++;
2834 v_list_itr->vsi_list_info =
2835 ice_create_vsi_list_map(hw, &vsi_handle,
2839 } else if (v_list_itr->vsi_list_info->ref_cnt == 1) {
2840 /* Update existing VSI list to add new VSI ID only if it used
2843 cur_fltr = &v_list_itr->fltr_info;
2844 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr,
2847 /* If VLAN rule exists and VSI list being used by this rule is
2848 * referenced by more than 1 VLAN rule. Then create a new VSI
2849 * list appending previous VSI with new VSI and update existing
2850 * VLAN rule to point to new VSI list ID
2852 struct ice_fltr_info tmp_fltr;
2853 u16 vsi_handle_arr[2];
2856 /* Current implementation only supports reusing VSI list with
2857 * one VSI count. We should never hit below condition
2859 if (v_list_itr->vsi_count > 1 &&
2860 v_list_itr->vsi_list_info->ref_cnt > 1) {
2861 ice_debug(hw, ICE_DBG_SW,
2862 "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n");
2863 status = ICE_ERR_CFG;
2868 ice_find_first_bit(v_list_itr->vsi_list_info->vsi_map,
2871 /* A rule already exists with the new VSI being added */
2872 if (cur_handle == vsi_handle) {
2873 status = ICE_ERR_ALREADY_EXISTS;
2877 vsi_handle_arr[0] = cur_handle;
2878 vsi_handle_arr[1] = vsi_handle;
2879 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
2880 &vsi_list_id, lkup_type);
2884 tmp_fltr = v_list_itr->fltr_info;
2885 tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id;
2886 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
2887 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
2888 /* Update the previous switch rule to a new VSI list which
2889 * includes current VSI that is requested
2891 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
2895 /* before overriding VSI list map info. decrement ref_cnt of
2898 v_list_itr->vsi_list_info->ref_cnt--;
2900 /* now update to newly created list */
2901 v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id;
2902 v_list_itr->vsi_list_info =
2903 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
2905 v_list_itr->vsi_count++;
2909 ice_release_lock(rule_lock);
2914 * ice_add_vlan - Add VLAN based filter rule
2915 * @hw: pointer to the hardware structure
2916 * @v_list: list of VLAN entries and forwarding information
2919 ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
2921 struct ice_fltr_list_entry *v_list_itr;
2924 return ICE_ERR_PARAM;
2926 LIST_FOR_EACH_ENTRY(v_list_itr, v_list, ice_fltr_list_entry,
2928 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN)
2929 return ICE_ERR_PARAM;
2930 v_list_itr->fltr_info.flag = ICE_FLTR_TX;
2931 v_list_itr->status = ice_add_vlan_internal(hw, v_list_itr);
2932 if (v_list_itr->status)
2933 return v_list_itr->status;
2938 #ifndef NO_MACVLAN_SUPPORT
2940 * ice_add_mac_vlan - Add MAC and VLAN pair based filter rule
2941 * @hw: pointer to the hardware structure
2942 * @mv_list: list of MAC and VLAN filters
2944 * If the VSI on which the MAC-VLAN pair has to be added has Rx and Tx VLAN
2945 * pruning bits enabled, then it is the responsibility of the caller to make
2946 * sure to add a VLAN only filter on the same VSI. Packets belonging to that
2947 * VLAN won't be received on that VSI otherwise.
2950 ice_add_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *mv_list)
2952 struct ice_fltr_list_entry *mv_list_itr;
2954 if (!mv_list || !hw)
2955 return ICE_ERR_PARAM;
2957 LIST_FOR_EACH_ENTRY(mv_list_itr, mv_list, ice_fltr_list_entry,
2959 enum ice_sw_lkup_type l_type =
2960 mv_list_itr->fltr_info.lkup_type;
2962 if (l_type != ICE_SW_LKUP_MAC_VLAN)
2963 return ICE_ERR_PARAM;
2964 mv_list_itr->fltr_info.flag = ICE_FLTR_TX;
2965 mv_list_itr->status =
2966 ice_add_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN,
2968 if (mv_list_itr->status)
2969 return mv_list_itr->status;
2976 * ice_add_eth_mac - Add ethertype and MAC based filter rule
2977 * @hw: pointer to the hardware structure
2978 * @em_list: list of ether type MAC filter, MAC is optional
2981 ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
2983 struct ice_fltr_list_entry *em_list_itr;
2985 LIST_FOR_EACH_ENTRY(em_list_itr, em_list, ice_fltr_list_entry,
2987 enum ice_sw_lkup_type l_type =
2988 em_list_itr->fltr_info.lkup_type;
2990 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
2991 l_type != ICE_SW_LKUP_ETHERTYPE)
2992 return ICE_ERR_PARAM;
2994 em_list_itr->fltr_info.flag = ICE_FLTR_TX;
2995 em_list_itr->status = ice_add_rule_internal(hw, l_type,
2997 if (em_list_itr->status)
2998 return em_list_itr->status;
3004 * ice_remove_eth_mac - Remove an ethertype (or MAC) based filter rule
3005 * @hw: pointer to the hardware structure
3006 * @em_list: list of ethertype or ethertype MAC entries
3009 ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
3011 struct ice_fltr_list_entry *em_list_itr, *tmp;
3013 if (!em_list || !hw)
3014 return ICE_ERR_PARAM;
3016 LIST_FOR_EACH_ENTRY_SAFE(em_list_itr, tmp, em_list, ice_fltr_list_entry,
3018 enum ice_sw_lkup_type l_type =
3019 em_list_itr->fltr_info.lkup_type;
3021 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
3022 l_type != ICE_SW_LKUP_ETHERTYPE)
3023 return ICE_ERR_PARAM;
3025 em_list_itr->status = ice_remove_rule_internal(hw, l_type,
3027 if (em_list_itr->status)
3028 return em_list_itr->status;
3035 * ice_rem_sw_rule_info
3036 * @hw: pointer to the hardware structure
3037 * @rule_head: pointer to the switch list structure that we want to delete
3040 ice_rem_sw_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head)
3042 if (!LIST_EMPTY(rule_head)) {
3043 struct ice_fltr_mgmt_list_entry *entry;
3044 struct ice_fltr_mgmt_list_entry *tmp;
3046 LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, rule_head,
3047 ice_fltr_mgmt_list_entry, list_entry) {
3048 LIST_DEL(&entry->list_entry);
3049 ice_free(hw, entry);
3055 * ice_rem_adv_rule_info
3056 * @hw: pointer to the hardware structure
3057 * @rule_head: pointer to the switch list structure that we want to delete
3060 ice_rem_adv_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head)
3062 struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
3063 struct ice_adv_fltr_mgmt_list_entry *lst_itr;
3065 if (LIST_EMPTY(rule_head))
3068 LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry, rule_head,
3069 ice_adv_fltr_mgmt_list_entry, list_entry) {
3070 LIST_DEL(&lst_itr->list_entry);
3071 ice_free(hw, lst_itr->lkups);
3072 ice_free(hw, lst_itr);
3077 * ice_rem_all_sw_rules_info
3078 * @hw: pointer to the hardware structure
3080 void ice_rem_all_sw_rules_info(struct ice_hw *hw)
3082 struct ice_switch_info *sw = hw->switch_info;
3085 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
3086 struct LIST_HEAD_TYPE *rule_head;
3088 rule_head = &sw->recp_list[i].filt_rules;
3089 if (!sw->recp_list[i].adv_rule)
3090 ice_rem_sw_rule_info(hw, rule_head);
3092 ice_rem_adv_rule_info(hw, rule_head);
3097 * ice_cfg_dflt_vsi - change state of VSI to set/clear default
3098 * @pi: pointer to the port_info structure
3099 * @vsi_handle: VSI handle to set as default
3100 * @set: true to add the above mentioned switch rule, false to remove it
3101 * @direction: ICE_FLTR_RX or ICE_FLTR_TX
3103 * add filter rule to set/unset given VSI as default VSI for the switch
3104 * (represented by swid)
3107 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
3110 struct ice_aqc_sw_rules_elem *s_rule;
3111 struct ice_fltr_info f_info;
3112 struct ice_hw *hw = pi->hw;
3113 enum ice_adminq_opc opcode;
3114 enum ice_status status;
3118 if (!ice_is_vsi_valid(hw, vsi_handle))
3119 return ICE_ERR_PARAM;
3120 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3122 s_rule_size = set ? ICE_SW_RULE_RX_TX_ETH_HDR_SIZE :
3123 ICE_SW_RULE_RX_TX_NO_HDR_SIZE;
3124 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
3126 return ICE_ERR_NO_MEMORY;
3128 ice_memset(&f_info, 0, sizeof(f_info), ICE_NONDMA_MEM);
3130 f_info.lkup_type = ICE_SW_LKUP_DFLT;
3131 f_info.flag = direction;
3132 f_info.fltr_act = ICE_FWD_TO_VSI;
3133 f_info.fwd_id.hw_vsi_id = hw_vsi_id;
3135 if (f_info.flag & ICE_FLTR_RX) {
3136 f_info.src = pi->lport;
3137 f_info.src_id = ICE_SRC_ID_LPORT;
3139 f_info.fltr_rule_id =
3140 pi->dflt_rx_vsi_rule_id;
3141 } else if (f_info.flag & ICE_FLTR_TX) {
3142 f_info.src_id = ICE_SRC_ID_VSI;
3143 f_info.src = hw_vsi_id;
3145 f_info.fltr_rule_id =
3146 pi->dflt_tx_vsi_rule_id;
3150 opcode = ice_aqc_opc_add_sw_rules;
3152 opcode = ice_aqc_opc_remove_sw_rules;
3154 ice_fill_sw_rule(hw, &f_info, s_rule, opcode);
3156 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opcode, NULL);
3157 if (status || !(f_info.flag & ICE_FLTR_TX_RX))
3160 u16 index = LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
3162 if (f_info.flag & ICE_FLTR_TX) {
3163 pi->dflt_tx_vsi_num = hw_vsi_id;
3164 pi->dflt_tx_vsi_rule_id = index;
3165 } else if (f_info.flag & ICE_FLTR_RX) {
3166 pi->dflt_rx_vsi_num = hw_vsi_id;
3167 pi->dflt_rx_vsi_rule_id = index;
3170 if (f_info.flag & ICE_FLTR_TX) {
3171 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL;
3172 pi->dflt_tx_vsi_rule_id = ICE_INVAL_ACT;
3173 } else if (f_info.flag & ICE_FLTR_RX) {
3174 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL;
3175 pi->dflt_rx_vsi_rule_id = ICE_INVAL_ACT;
3180 ice_free(hw, s_rule);
3185 * ice_find_ucast_rule_entry - Search for a unicast MAC filter rule entry
3186 * @hw: pointer to the hardware structure
3187 * @recp_id: lookup type for which the specified rule needs to be searched
3188 * @f_info: rule information
3190 * Helper function to search for a unicast rule entry - this is to be used
3191 * to remove unicast MAC filter that is not shared with other VSIs on the
3194 * Returns pointer to entry storing the rule if found
3196 static struct ice_fltr_mgmt_list_entry *
3197 ice_find_ucast_rule_entry(struct ice_hw *hw, u8 recp_id,
3198 struct ice_fltr_info *f_info)
3200 struct ice_switch_info *sw = hw->switch_info;
3201 struct ice_fltr_mgmt_list_entry *list_itr;
3202 struct LIST_HEAD_TYPE *list_head;
3204 list_head = &sw->recp_list[recp_id].filt_rules;
3205 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
3207 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
3208 sizeof(f_info->l_data)) &&
3209 f_info->fwd_id.hw_vsi_id ==
3210 list_itr->fltr_info.fwd_id.hw_vsi_id &&
3211 f_info->flag == list_itr->fltr_info.flag)
3218 * ice_remove_mac - remove a MAC address based filter rule
3219 * @hw: pointer to the hardware structure
3220 * @m_list: list of MAC addresses and forwarding information
3222 * This function removes either a MAC filter rule or a specific VSI from a
3223 * VSI list for a multicast MAC address.
3225 * Returns ICE_ERR_DOES_NOT_EXIST if a given entry was not added by
3226 * ice_add_mac. Caller should be aware that this call will only work if all
3227 * the entries passed into m_list were added previously. It will not attempt to
3228 * do a partial remove of entries that were found.
3231 ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
3233 struct ice_fltr_list_entry *list_itr, *tmp;
3234 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3237 return ICE_ERR_PARAM;
3239 rule_lock = &hw->switch_info->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
3240 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, m_list, ice_fltr_list_entry,
3242 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type;
3243 u8 *add = &list_itr->fltr_info.l_data.mac.mac_addr[0];
3246 if (l_type != ICE_SW_LKUP_MAC)
3247 return ICE_ERR_PARAM;
3249 vsi_handle = list_itr->fltr_info.vsi_handle;
3250 if (!ice_is_vsi_valid(hw, vsi_handle))
3251 return ICE_ERR_PARAM;
3253 list_itr->fltr_info.fwd_id.hw_vsi_id =
3254 ice_get_hw_vsi_num(hw, vsi_handle);
3255 if (IS_UNICAST_ETHER_ADDR(add) && !hw->ucast_shared) {
3256 /* Don't remove the unicast address that belongs to
3257 * another VSI on the switch, since it is not being
3260 ice_acquire_lock(rule_lock);
3261 if (!ice_find_ucast_rule_entry(hw, ICE_SW_LKUP_MAC,
3262 &list_itr->fltr_info)) {
3263 ice_release_lock(rule_lock);
3264 return ICE_ERR_DOES_NOT_EXIST;
3266 ice_release_lock(rule_lock);
3268 list_itr->status = ice_remove_rule_internal(hw,
3271 if (list_itr->status)
3272 return list_itr->status;
3278 * ice_remove_vlan - Remove VLAN based filter rule
3279 * @hw: pointer to the hardware structure
3280 * @v_list: list of VLAN entries and forwarding information
3283 ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
3285 struct ice_fltr_list_entry *v_list_itr, *tmp;
3288 return ICE_ERR_PARAM;
3290 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3292 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
3294 if (l_type != ICE_SW_LKUP_VLAN)
3295 return ICE_ERR_PARAM;
3296 v_list_itr->status = ice_remove_rule_internal(hw,
3299 if (v_list_itr->status)
3300 return v_list_itr->status;
3305 #ifndef NO_MACVLAN_SUPPORT
3307 * ice_remove_mac_vlan - Remove MAC VLAN based filter rule
3308 * @hw: pointer to the hardware structure
3309 * @v_list: list of MAC VLAN entries and forwarding information
3312 ice_remove_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
3314 struct ice_fltr_list_entry *v_list_itr, *tmp;
3317 return ICE_ERR_PARAM;
3319 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3321 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
3323 if (l_type != ICE_SW_LKUP_MAC_VLAN)
3324 return ICE_ERR_PARAM;
3325 v_list_itr->status =
3326 ice_remove_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN,
3328 if (v_list_itr->status)
3329 return v_list_itr->status;
3333 #endif /* !NO_MACVLAN_SUPPORT */
3336 * ice_vsi_uses_fltr - Determine if given VSI uses specified filter
3337 * @fm_entry: filter entry to inspect
3338 * @vsi_handle: VSI handle to compare with filter info
3341 ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle)
3343 return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI &&
3344 fm_entry->fltr_info.vsi_handle == vsi_handle) ||
3345 (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST &&
3346 (ice_is_bit_set(fm_entry->vsi_list_info->vsi_map,
3351 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list
3352 * @hw: pointer to the hardware structure
3353 * @vsi_handle: VSI handle to remove filters from
3354 * @vsi_list_head: pointer to the list to add entry to
3355 * @fi: pointer to fltr_info of filter entry to copy & add
3357 * Helper function, used when creating a list of filters to remove from
3358 * a specific VSI. The entry added to vsi_list_head is a COPY of the
3359 * original filter entry, with the exception of fltr_info.fltr_act and
3360 * fltr_info.fwd_id fields. These are set such that later logic can
3361 * extract which VSI to remove the fltr from, and pass on that information.
3363 static enum ice_status
3364 ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
3365 struct LIST_HEAD_TYPE *vsi_list_head,
3366 struct ice_fltr_info *fi)
3368 struct ice_fltr_list_entry *tmp;
3370 /* this memory is freed up in the caller function
3371 * once filters for this VSI are removed
3373 tmp = (struct ice_fltr_list_entry *)ice_malloc(hw, sizeof(*tmp));
3375 return ICE_ERR_NO_MEMORY;
3377 tmp->fltr_info = *fi;
3379 /* Overwrite these fields to indicate which VSI to remove filter from,
3380 * so find and remove logic can extract the information from the
3381 * list entries. Note that original entries will still have proper
3384 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
3385 tmp->fltr_info.vsi_handle = vsi_handle;
3386 tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3388 LIST_ADD(&tmp->list_entry, vsi_list_head);
3394 * ice_add_to_vsi_fltr_list - Add VSI filters to the list
3395 * @hw: pointer to the hardware structure
3396 * @vsi_handle: VSI handle to remove filters from
3397 * @lkup_list_head: pointer to the list that has certain lookup type filters
3398 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle
3400 * Locates all filters in lkup_list_head that are used by the given VSI,
3401 * and adds COPIES of those entries to vsi_list_head (intended to be used
3402 * to remove the listed filters).
3403 * Note that this means all entries in vsi_list_head must be explicitly
3404 * deallocated by the caller when done with list.
3406 static enum ice_status
3407 ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
3408 struct LIST_HEAD_TYPE *lkup_list_head,
3409 struct LIST_HEAD_TYPE *vsi_list_head)
3411 struct ice_fltr_mgmt_list_entry *fm_entry;
3412 enum ice_status status = ICE_SUCCESS;
3414 /* check to make sure VSI ID is valid and within boundary */
3415 if (!ice_is_vsi_valid(hw, vsi_handle))
3416 return ICE_ERR_PARAM;
3418 LIST_FOR_EACH_ENTRY(fm_entry, lkup_list_head,
3419 ice_fltr_mgmt_list_entry, list_entry) {
3420 struct ice_fltr_info *fi;
3422 fi = &fm_entry->fltr_info;
3423 if (!fi || !ice_vsi_uses_fltr(fm_entry, vsi_handle))
3426 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
3436 * ice_determine_promisc_mask
3437 * @fi: filter info to parse
3439 * Helper function to determine which ICE_PROMISC_ mask corresponds
3440 * to given filter into.
3442 static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi)
3444 u16 vid = fi->l_data.mac_vlan.vlan_id;
3445 u8 *macaddr = fi->l_data.mac.mac_addr;
3446 bool is_tx_fltr = false;
3447 u8 promisc_mask = 0;
3449 if (fi->flag == ICE_FLTR_TX)
3452 if (IS_BROADCAST_ETHER_ADDR(macaddr))
3453 promisc_mask |= is_tx_fltr ?
3454 ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX;
3455 else if (IS_MULTICAST_ETHER_ADDR(macaddr))
3456 promisc_mask |= is_tx_fltr ?
3457 ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX;
3458 else if (IS_UNICAST_ETHER_ADDR(macaddr))
3459 promisc_mask |= is_tx_fltr ?
3460 ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX;
3462 promisc_mask |= is_tx_fltr ?
3463 ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX;
3465 return promisc_mask;
3469 * ice_get_vsi_promisc - get promiscuous mode of given VSI
3470 * @hw: pointer to the hardware structure
3471 * @vsi_handle: VSI handle to retrieve info from
3472 * @promisc_mask: pointer to mask to be filled in
3473 * @vid: VLAN ID of promisc VLAN VSI
3476 ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
3479 struct ice_switch_info *sw = hw->switch_info;
3480 struct ice_fltr_mgmt_list_entry *itr;
3481 struct LIST_HEAD_TYPE *rule_head;
3482 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3484 if (!ice_is_vsi_valid(hw, vsi_handle))
3485 return ICE_ERR_PARAM;
3489 rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rules;
3490 rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rule_lock;
3492 ice_acquire_lock(rule_lock);
3493 LIST_FOR_EACH_ENTRY(itr, rule_head,
3494 ice_fltr_mgmt_list_entry, list_entry) {
3495 /* Continue if this filter doesn't apply to this VSI or the
3496 * VSI ID is not in the VSI map for this filter
3498 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3501 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
3503 ice_release_lock(rule_lock);
3509 * ice_get_vsi_vlan_promisc - get VLAN promiscuous mode of given VSI
3510 * @hw: pointer to the hardware structure
3511 * @vsi_handle: VSI handle to retrieve info from
3512 * @promisc_mask: pointer to mask to be filled in
3513 * @vid: VLAN ID of promisc VLAN VSI
3516 ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
3519 struct ice_switch_info *sw = hw->switch_info;
3520 struct ice_fltr_mgmt_list_entry *itr;
3521 struct LIST_HEAD_TYPE *rule_head;
3522 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3524 if (!ice_is_vsi_valid(hw, vsi_handle))
3525 return ICE_ERR_PARAM;
3529 rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rules;
3530 rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rule_lock;
3532 ice_acquire_lock(rule_lock);
3533 LIST_FOR_EACH_ENTRY(itr, rule_head, ice_fltr_mgmt_list_entry,
3535 /* Continue if this filter doesn't apply to this VSI or the
3536 * VSI ID is not in the VSI map for this filter
3538 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3541 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
3543 ice_release_lock(rule_lock);
3549 * ice_remove_promisc - Remove promisc based filter rules
3550 * @hw: pointer to the hardware structure
3551 * @recp_id: recipe ID for which the rule needs to removed
3552 * @v_list: list of promisc entries
3554 static enum ice_status
3555 ice_remove_promisc(struct ice_hw *hw, u8 recp_id,
3556 struct LIST_HEAD_TYPE *v_list)
3558 struct ice_fltr_list_entry *v_list_itr, *tmp;
3560 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3562 v_list_itr->status =
3563 ice_remove_rule_internal(hw, recp_id, v_list_itr);
3564 if (v_list_itr->status)
3565 return v_list_itr->status;
3571 * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI
3572 * @hw: pointer to the hardware structure
3573 * @vsi_handle: VSI handle to clear mode
3574 * @promisc_mask: mask of promiscuous config bits to clear
3575 * @vid: VLAN ID to clear VLAN promiscuous
3578 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3581 struct ice_switch_info *sw = hw->switch_info;
3582 struct ice_fltr_list_entry *fm_entry, *tmp;
3583 struct LIST_HEAD_TYPE remove_list_head;
3584 struct ice_fltr_mgmt_list_entry *itr;
3585 struct LIST_HEAD_TYPE *rule_head;
3586 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3587 enum ice_status status = ICE_SUCCESS;
3590 if (!ice_is_vsi_valid(hw, vsi_handle))
3591 return ICE_ERR_PARAM;
3594 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
3596 recipe_id = ICE_SW_LKUP_PROMISC;
3598 rule_head = &sw->recp_list[recipe_id].filt_rules;
3599 rule_lock = &sw->recp_list[recipe_id].filt_rule_lock;
3601 INIT_LIST_HEAD(&remove_list_head);
3603 ice_acquire_lock(rule_lock);
3604 LIST_FOR_EACH_ENTRY(itr, rule_head,
3605 ice_fltr_mgmt_list_entry, list_entry) {
3606 u8 fltr_promisc_mask = 0;
3608 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3611 fltr_promisc_mask |=
3612 ice_determine_promisc_mask(&itr->fltr_info);
3614 /* Skip if filter is not completely specified by given mask */
3615 if (fltr_promisc_mask & ~promisc_mask)
3618 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
3622 ice_release_lock(rule_lock);
3623 goto free_fltr_list;
3626 ice_release_lock(rule_lock);
3628 status = ice_remove_promisc(hw, recipe_id, &remove_list_head);
3631 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
3632 ice_fltr_list_entry, list_entry) {
3633 LIST_DEL(&fm_entry->list_entry);
3634 ice_free(hw, fm_entry);
3641 * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s)
3642 * @hw: pointer to the hardware structure
3643 * @vsi_handle: VSI handle to configure
3644 * @promisc_mask: mask of promiscuous config bits
3645 * @vid: VLAN ID to set VLAN promiscuous
3648 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid)
3650 enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR };
3651 struct ice_fltr_list_entry f_list_entry;
3652 struct ice_fltr_info new_fltr;
3653 enum ice_status status = ICE_SUCCESS;
3659 ice_debug(hw, ICE_DBG_TRACE, "ice_set_vsi_promisc\n");
3661 if (!ice_is_vsi_valid(hw, vsi_handle))
3662 return ICE_ERR_PARAM;
3663 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3665 ice_memset(&new_fltr, 0, sizeof(new_fltr), ICE_NONDMA_MEM);
3667 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) {
3668 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN;
3669 new_fltr.l_data.mac_vlan.vlan_id = vid;
3670 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
3672 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC;
3673 recipe_id = ICE_SW_LKUP_PROMISC;
3676 /* Separate filters must be set for each direction/packet type
3677 * combination, so we will loop over the mask value, store the
3678 * individual type, and clear it out in the input mask as it
3681 while (promisc_mask) {
3687 if (promisc_mask & ICE_PROMISC_UCAST_RX) {
3688 promisc_mask &= ~ICE_PROMISC_UCAST_RX;
3689 pkt_type = UCAST_FLTR;
3690 } else if (promisc_mask & ICE_PROMISC_UCAST_TX) {
3691 promisc_mask &= ~ICE_PROMISC_UCAST_TX;
3692 pkt_type = UCAST_FLTR;
3694 } else if (promisc_mask & ICE_PROMISC_MCAST_RX) {
3695 promisc_mask &= ~ICE_PROMISC_MCAST_RX;
3696 pkt_type = MCAST_FLTR;
3697 } else if (promisc_mask & ICE_PROMISC_MCAST_TX) {
3698 promisc_mask &= ~ICE_PROMISC_MCAST_TX;
3699 pkt_type = MCAST_FLTR;
3701 } else if (promisc_mask & ICE_PROMISC_BCAST_RX) {
3702 promisc_mask &= ~ICE_PROMISC_BCAST_RX;
3703 pkt_type = BCAST_FLTR;
3704 } else if (promisc_mask & ICE_PROMISC_BCAST_TX) {
3705 promisc_mask &= ~ICE_PROMISC_BCAST_TX;
3706 pkt_type = BCAST_FLTR;
3710 /* Check for VLAN promiscuous flag */
3711 if (promisc_mask & ICE_PROMISC_VLAN_RX) {
3712 promisc_mask &= ~ICE_PROMISC_VLAN_RX;
3713 } else if (promisc_mask & ICE_PROMISC_VLAN_TX) {
3714 promisc_mask &= ~ICE_PROMISC_VLAN_TX;
3718 /* Set filter DA based on packet type */
3719 mac_addr = new_fltr.l_data.mac.mac_addr;
3720 if (pkt_type == BCAST_FLTR) {
3721 ice_memset(mac_addr, 0xff, ETH_ALEN, ICE_NONDMA_MEM);
3722 } else if (pkt_type == MCAST_FLTR ||
3723 pkt_type == UCAST_FLTR) {
3724 /* Use the dummy ether header DA */
3725 ice_memcpy(mac_addr, dummy_eth_header, ETH_ALEN,
3726 ICE_NONDMA_TO_NONDMA);
3727 if (pkt_type == MCAST_FLTR)
3728 mac_addr[0] |= 0x1; /* Set multicast bit */
3731 /* Need to reset this to zero for all iterations */
3734 new_fltr.flag |= ICE_FLTR_TX;
3735 new_fltr.src = hw_vsi_id;
3737 new_fltr.flag |= ICE_FLTR_RX;
3738 new_fltr.src = hw->port_info->lport;
3741 new_fltr.fltr_act = ICE_FWD_TO_VSI;
3742 new_fltr.vsi_handle = vsi_handle;
3743 new_fltr.fwd_id.hw_vsi_id = hw_vsi_id;
3744 f_list_entry.fltr_info = new_fltr;
3746 status = ice_add_rule_internal(hw, recipe_id, &f_list_entry);
3747 if (status != ICE_SUCCESS)
3748 goto set_promisc_exit;
3756 * ice_set_vlan_vsi_promisc
3757 * @hw: pointer to the hardware structure
3758 * @vsi_handle: VSI handle to configure
3759 * @promisc_mask: mask of promiscuous config bits
3760 * @rm_vlan_promisc: Clear VLANs VSI promisc mode
3762 * Configure VSI with all associated VLANs to given promiscuous mode(s)
3765 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3766 bool rm_vlan_promisc)
3768 struct ice_switch_info *sw = hw->switch_info;
3769 struct ice_fltr_list_entry *list_itr, *tmp;
3770 struct LIST_HEAD_TYPE vsi_list_head;
3771 struct LIST_HEAD_TYPE *vlan_head;
3772 struct ice_lock *vlan_lock; /* Lock to protect filter rule list */
3773 enum ice_status status;
3776 INIT_LIST_HEAD(&vsi_list_head);
3777 vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
3778 vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules;
3779 ice_acquire_lock(vlan_lock);
3780 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head,
3782 ice_release_lock(vlan_lock);
3784 goto free_fltr_list;
3786 LIST_FOR_EACH_ENTRY(list_itr, &vsi_list_head, ice_fltr_list_entry,
3788 vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id;
3789 if (rm_vlan_promisc)
3790 status = ice_clear_vsi_promisc(hw, vsi_handle,
3791 promisc_mask, vlan_id);
3793 status = ice_set_vsi_promisc(hw, vsi_handle,
3794 promisc_mask, vlan_id);
3800 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, &vsi_list_head,
3801 ice_fltr_list_entry, list_entry) {
3802 LIST_DEL(&list_itr->list_entry);
3803 ice_free(hw, list_itr);
3809 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI
3810 * @hw: pointer to the hardware structure
3811 * @vsi_handle: VSI handle to remove filters from
3812 * @lkup: switch rule filter lookup type
3815 ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle,
3816 enum ice_sw_lkup_type lkup)
3818 struct ice_switch_info *sw = hw->switch_info;
3819 struct ice_fltr_list_entry *fm_entry;
3820 struct LIST_HEAD_TYPE remove_list_head;
3821 struct LIST_HEAD_TYPE *rule_head;
3822 struct ice_fltr_list_entry *tmp;
3823 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3824 enum ice_status status;
3826 INIT_LIST_HEAD(&remove_list_head);
3827 rule_lock = &sw->recp_list[lkup].filt_rule_lock;
3828 rule_head = &sw->recp_list[lkup].filt_rules;
3829 ice_acquire_lock(rule_lock);
3830 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head,
3832 ice_release_lock(rule_lock);
3837 case ICE_SW_LKUP_MAC:
3838 ice_remove_mac(hw, &remove_list_head);
3840 case ICE_SW_LKUP_VLAN:
3841 ice_remove_vlan(hw, &remove_list_head);
3843 case ICE_SW_LKUP_PROMISC:
3844 case ICE_SW_LKUP_PROMISC_VLAN:
3845 ice_remove_promisc(hw, lkup, &remove_list_head);
3847 case ICE_SW_LKUP_MAC_VLAN:
3848 #ifndef NO_MACVLAN_SUPPORT
3849 ice_remove_mac_vlan(hw, &remove_list_head);
3851 ice_debug(hw, ICE_DBG_SW, "MAC VLAN look up is not supported yet\n");
3852 #endif /* !NO_MACVLAN_SUPPORT */
3854 case ICE_SW_LKUP_ETHERTYPE:
3855 case ICE_SW_LKUP_ETHERTYPE_MAC:
3856 ice_remove_eth_mac(hw, &remove_list_head);
3858 case ICE_SW_LKUP_DFLT:
3859 ice_debug(hw, ICE_DBG_SW,
3860 "Remove filters for this lookup type hasn't been implemented yet\n");
3862 case ICE_SW_LKUP_LAST:
3863 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type\n");
3867 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
3868 ice_fltr_list_entry, list_entry) {
3869 LIST_DEL(&fm_entry->list_entry);
3870 ice_free(hw, fm_entry);
3875 * ice_remove_vsi_fltr - Remove all filters for a VSI
3876 * @hw: pointer to the hardware structure
3877 * @vsi_handle: VSI handle to remove filters from
3879 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle)
3881 ice_debug(hw, ICE_DBG_TRACE, "ice_remove_vsi_fltr\n");
3883 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC);
3884 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC_VLAN);
3885 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC);
3886 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_VLAN);
3887 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_DFLT);
3888 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE);
3889 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE_MAC);
3890 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN);
3894 * ice_alloc_res_cntr - allocating resource counter
3895 * @hw: pointer to the hardware structure
3896 * @type: type of resource
3897 * @alloc_shared: if set it is shared else dedicated
3898 * @num_items: number of entries requested for FD resource type
3899 * @counter_id: counter index returned by AQ call
3902 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
3905 struct ice_aqc_alloc_free_res_elem *buf;
3906 enum ice_status status;
3909 /* Allocate resource */
3910 buf_len = sizeof(*buf);
3911 buf = (struct ice_aqc_alloc_free_res_elem *)
3912 ice_malloc(hw, buf_len);
3914 return ICE_ERR_NO_MEMORY;
3916 buf->num_elems = CPU_TO_LE16(num_items);
3917 buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
3918 ICE_AQC_RES_TYPE_M) | alloc_shared);
3920 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
3921 ice_aqc_opc_alloc_res, NULL);
3925 *counter_id = LE16_TO_CPU(buf->elem[0].e.sw_resp);
3933 * ice_free_res_cntr - free resource counter
3934 * @hw: pointer to the hardware structure
3935 * @type: type of resource
3936 * @alloc_shared: if set it is shared else dedicated
3937 * @num_items: number of entries to be freed for FD resource type
3938 * @counter_id: counter ID resource which needs to be freed
3941 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
3944 struct ice_aqc_alloc_free_res_elem *buf;
3945 enum ice_status status;
3949 buf_len = sizeof(*buf);
3950 buf = (struct ice_aqc_alloc_free_res_elem *)
3951 ice_malloc(hw, buf_len);
3953 return ICE_ERR_NO_MEMORY;
3955 buf->num_elems = CPU_TO_LE16(num_items);
3956 buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
3957 ICE_AQC_RES_TYPE_M) | alloc_shared);
3958 buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);
3960 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
3961 ice_aqc_opc_free_res, NULL);
3963 ice_debug(hw, ICE_DBG_SW,
3964 "counter resource could not be freed\n");
3971 * ice_alloc_vlan_res_counter - obtain counter resource for VLAN type
3972 * @hw: pointer to the hardware structure
3973 * @counter_id: returns counter index
3975 enum ice_status ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id)
3977 return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
3978 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
3983 * ice_free_vlan_res_counter - Free counter resource for VLAN type
3984 * @hw: pointer to the hardware structure
3985 * @counter_id: counter index to be freed
3987 enum ice_status ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id)
3989 return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
3990 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
3995 * ice_alloc_res_lg_act - add large action resource
3996 * @hw: pointer to the hardware structure
3997 * @l_id: large action ID to fill it in
3998 * @num_acts: number of actions to hold with a large action entry
4000 static enum ice_status
4001 ice_alloc_res_lg_act(struct ice_hw *hw, u16 *l_id, u16 num_acts)
4003 struct ice_aqc_alloc_free_res_elem *sw_buf;
4004 enum ice_status status;
4007 if (num_acts > ICE_MAX_LG_ACT || num_acts == 0)
4008 return ICE_ERR_PARAM;
4010 /* Allocate resource for large action */
4011 buf_len = sizeof(*sw_buf);
4012 sw_buf = (struct ice_aqc_alloc_free_res_elem *)
4013 ice_malloc(hw, buf_len);
4015 return ICE_ERR_NO_MEMORY;
4017 sw_buf->num_elems = CPU_TO_LE16(1);
4019 /* If num_acts is 1, use ICE_AQC_RES_TYPE_WIDE_TABLE_1.
4020 * If num_acts is 2, use ICE_AQC_RES_TYPE_WIDE_TABLE_3.
4021 * If num_acts is greater than 2, then use
4022 * ICE_AQC_RES_TYPE_WIDE_TABLE_4.
4023 * The num_acts cannot exceed 4. This was ensured at the
4024 * beginning of the function.
4027 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_1);
4028 else if (num_acts == 2)
4029 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_2);
4031 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_4);
4033 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
4034 ice_aqc_opc_alloc_res, NULL);
4036 *l_id = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);
4038 ice_free(hw, sw_buf);
4043 * ice_add_mac_with_sw_marker - add filter with sw marker
4044 * @hw: pointer to the hardware structure
4045 * @f_info: filter info structure containing the MAC filter information
4046 * @sw_marker: sw marker to tag the Rx descriptor with
4049 ice_add_mac_with_sw_marker(struct ice_hw *hw, struct ice_fltr_info *f_info,
4052 struct ice_switch_info *sw = hw->switch_info;
4053 struct ice_fltr_mgmt_list_entry *m_entry;
4054 struct ice_fltr_list_entry fl_info;
4055 struct LIST_HEAD_TYPE l_head;
4056 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
4057 enum ice_status ret;
4061 if (f_info->fltr_act != ICE_FWD_TO_VSI)
4062 return ICE_ERR_PARAM;
4064 if (f_info->lkup_type != ICE_SW_LKUP_MAC)
4065 return ICE_ERR_PARAM;
4067 if (sw_marker == ICE_INVAL_SW_MARKER_ID)
4068 return ICE_ERR_PARAM;
4070 if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
4071 return ICE_ERR_PARAM;
4072 f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);
4074 /* Add filter if it doesn't exist so then the adding of large
4075 * action always results in update
4078 INIT_LIST_HEAD(&l_head);
4079 fl_info.fltr_info = *f_info;
4080 LIST_ADD(&fl_info.list_entry, &l_head);
4082 entry_exists = false;
4083 ret = ice_add_mac(hw, &l_head);
4084 if (ret == ICE_ERR_ALREADY_EXISTS)
4085 entry_exists = true;
4089 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
4090 ice_acquire_lock(rule_lock);
4091 /* Get the book keeping entry for the filter */
4092 m_entry = ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, f_info);
4096 /* If counter action was enabled for this rule then don't enable
4097 * sw marker large action
4099 if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
4100 ret = ICE_ERR_PARAM;
4104 /* if same marker was added before */
4105 if (m_entry->sw_marker_id == sw_marker) {
4106 ret = ICE_ERR_ALREADY_EXISTS;
4110 /* Allocate a hardware table entry to hold large act. Three actions
4111 * for marker based large action
4113 ret = ice_alloc_res_lg_act(hw, &lg_act_id, 3);
4117 if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
4120 /* Update the switch rule to add the marker action */
4121 ret = ice_add_marker_act(hw, m_entry, sw_marker, lg_act_id);
4123 ice_release_lock(rule_lock);
4128 ice_release_lock(rule_lock);
4129 /* only remove entry if it did not exist previously */
4131 ret = ice_remove_mac(hw, &l_head);
4137 * ice_add_mac_with_counter - add filter with counter enabled
4138 * @hw: pointer to the hardware structure
4139 * @f_info: pointer to filter info structure containing the MAC filter
4143 ice_add_mac_with_counter(struct ice_hw *hw, struct ice_fltr_info *f_info)
4145 struct ice_switch_info *sw = hw->switch_info;
4146 struct ice_fltr_mgmt_list_entry *m_entry;
4147 struct ice_fltr_list_entry fl_info;
4148 struct LIST_HEAD_TYPE l_head;
4149 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
4150 enum ice_status ret;
4155 if (f_info->fltr_act != ICE_FWD_TO_VSI)
4156 return ICE_ERR_PARAM;
4158 if (f_info->lkup_type != ICE_SW_LKUP_MAC)
4159 return ICE_ERR_PARAM;
4161 if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
4162 return ICE_ERR_PARAM;
4163 f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);
4165 entry_exist = false;
4167 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
4169 /* Add filter if it doesn't exist so then the adding of large
4170 * action always results in update
4172 INIT_LIST_HEAD(&l_head);
4174 fl_info.fltr_info = *f_info;
4175 LIST_ADD(&fl_info.list_entry, &l_head);
4177 ret = ice_add_mac(hw, &l_head);
4178 if (ret == ICE_ERR_ALREADY_EXISTS)
4183 ice_acquire_lock(rule_lock);
4184 m_entry = ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, f_info);
4186 ret = ICE_ERR_BAD_PTR;
4190 /* Don't enable counter for a filter for which sw marker was enabled */
4191 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) {
4192 ret = ICE_ERR_PARAM;
4196 /* If a counter was already enabled then don't need to add again */
4197 if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
4198 ret = ICE_ERR_ALREADY_EXISTS;
4202 /* Allocate a hardware table entry to VLAN counter */
4203 ret = ice_alloc_vlan_res_counter(hw, &counter_id);
4207 /* Allocate a hardware table entry to hold large act. Two actions for
4208 * counter based large action
4210 ret = ice_alloc_res_lg_act(hw, &lg_act_id, 2);
4214 if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
4217 /* Update the switch rule to add the counter action */
4218 ret = ice_add_counter_act(hw, m_entry, counter_id, lg_act_id);
4220 ice_release_lock(rule_lock);
4225 ice_release_lock(rule_lock);
4226 /* only remove entry if it did not exist previously */
4228 ret = ice_remove_mac(hw, &l_head);
4233 /* This is mapping table entry that maps every word within a given protocol
4234 * structure to the real byte offset as per the specification of that
4236 * for example dst address is 3 words in ethertype header and corresponding
4237 * bytes are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8
4238 * IMPORTANT: Every structure part of "ice_prot_hdr" union should have a
4239 * matching entry describing its field. This needs to be updated if new
4240 * structure is added to that union.
4242 static const struct ice_prot_ext_tbl_entry ice_prot_ext[] = {
4243 { ICE_MAC_OFOS, { 0, 2, 4, 6, 8, 10, 12 } },
4244 { ICE_MAC_IL, { 0, 2, 4, 6, 8, 10, 12 } },
4245 { ICE_IPV4_OFOS, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 } },
4246 { ICE_IPV4_IL, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 } },
4247 { ICE_IPV6_IL, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24,
4248 26, 28, 30, 32, 34, 36, 38 } },
4249 { ICE_IPV6_OFOS, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24,
4250 26, 28, 30, 32, 34, 36, 38 } },
4251 { ICE_TCP_IL, { 0, 2 } },
4252 { ICE_UDP_ILOS, { 0, 2 } },
4253 { ICE_SCTP_IL, { 0, 2 } },
4254 { ICE_VXLAN, { 8, 10, 12 } },
4255 { ICE_GENEVE, { 8, 10, 12 } },
4256 { ICE_VXLAN_GPE, { 0, 2, 4 } },
4257 { ICE_NVGRE, { 0, 2 } },
4258 { ICE_PROTOCOL_LAST, { 0 } }
4261 /* The following table describes preferred grouping of recipes.
4262 * If a recipe that needs to be programmed is a superset or matches one of the
4263 * following combinations, then the recipe needs to be chained as per the
4266 static const struct ice_pref_recipe_group ice_recipe_pack[] = {
4267 {3, { { ICE_MAC_OFOS_HW, 0, 0 }, { ICE_MAC_OFOS_HW, 2, 0 },
4268 { ICE_MAC_OFOS_HW, 4, 0 } } },
4269 {4, { { ICE_MAC_IL_HW, 0, 0 }, { ICE_MAC_IL_HW, 2, 0 },
4270 { ICE_MAC_IL_HW, 4, 0 }, { ICE_META_DATA_ID_HW, 44, 0 } } },
4271 {2, { { ICE_IPV4_IL_HW, 0, 0 }, { ICE_IPV4_IL_HW, 2, 0 } } },
4272 {2, { { ICE_IPV4_IL_HW, 12, 0 }, { ICE_IPV4_IL_HW, 14, 0 } } },
4275 static const struct ice_protocol_entry ice_prot_id_tbl[] = {
4276 { ICE_MAC_OFOS, ICE_MAC_OFOS_HW },
4277 { ICE_MAC_IL, ICE_MAC_IL_HW },
4278 { ICE_IPV4_OFOS, ICE_IPV4_OFOS_HW },
4279 { ICE_IPV4_IL, ICE_IPV4_IL_HW },
4280 { ICE_IPV6_OFOS, ICE_IPV6_OFOS_HW },
4281 { ICE_IPV6_IL, ICE_IPV6_IL_HW },
4282 { ICE_TCP_IL, ICE_TCP_IL_HW },
4283 { ICE_UDP_ILOS, ICE_UDP_ILOS_HW },
4284 { ICE_SCTP_IL, ICE_SCTP_IL_HW },
4285 { ICE_VXLAN, ICE_UDP_OF_HW },
4286 { ICE_GENEVE, ICE_UDP_OF_HW },
4287 { ICE_VXLAN_GPE, ICE_UDP_OF_HW },
4288 { ICE_NVGRE, ICE_GRE_OF_HW },
4289 { ICE_PROTOCOL_LAST, 0 }
4293 * ice_find_recp - find a recipe
4294 * @hw: pointer to the hardware structure
4295 * @lkup_exts: extension sequence to match
4297 * Returns index of matching recipe, or ICE_MAX_NUM_RECIPES if not found.
4299 static u16 ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts)
4301 struct ice_sw_recipe *recp;
4304 ice_get_recp_to_prof_map(hw);
4305 /* Initialize available_result_ids which tracks available result idx */
4306 for (i = 0; i <= ICE_CHAIN_FV_INDEX_START; i++)
4307 ice_set_bit(ICE_CHAIN_FV_INDEX_START - i,
4308 available_result_ids);
4310 /* Walk through existing recipes to find a match */
4311 recp = hw->switch_info->recp_list;
4312 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
4313 /* If recipe was not created for this ID, in SW bookkeeping,
4314 * check if FW has an entry for this recipe. If the FW has an
4315 * entry update it in our SW bookkeeping and continue with the
4318 if (!recp[i].recp_created)
4319 if (ice_get_recp_frm_fw(hw,
4320 hw->switch_info->recp_list, i))
4323 /* if number of words we are looking for match */
4324 if (lkup_exts->n_val_words == recp[i].lkup_exts.n_val_words) {
4325 struct ice_fv_word *a = lkup_exts->fv_words;
4326 struct ice_fv_word *b = recp[i].lkup_exts.fv_words;
4330 for (p = 0; p < lkup_exts->n_val_words; p++) {
4331 for (q = 0; q < recp[i].lkup_exts.n_val_words;
4333 if (a[p].off == b[q].off &&
4334 a[p].prot_id == b[q].prot_id)
4335 /* Found the "p"th word in the
4340 /* After walking through all the words in the
4341 * "i"th recipe if "p"th word was not found then
4342 * this recipe is not what we are looking for.
4343 * So break out from this loop and try the next
4346 if (q >= recp[i].lkup_exts.n_val_words) {
4351 /* If for "i"th recipe the found was never set to false
4352 * then it means we found our match
4355 return i; /* Return the recipe ID */
4358 return ICE_MAX_NUM_RECIPES;
4362 * ice_prot_type_to_id - get protocol ID from protocol type
4363 * @type: protocol type
4364 * @id: pointer to variable that will receive the ID
4366 * Returns true if found, false otherwise
4368 static bool ice_prot_type_to_id(enum ice_protocol_type type, u16 *id)
4372 for (i = 0; ice_prot_id_tbl[i].type != ICE_PROTOCOL_LAST; i++)
4373 if (ice_prot_id_tbl[i].type == type) {
4374 *id = ice_prot_id_tbl[i].protocol_id;
4381 * ice_find_valid_words - count valid words
4382 * @rule: advanced rule with lookup information
4383 * @lkup_exts: byte offset extractions of the words that are valid
4385 * calculate valid words in a lookup rule using mask value
4388 ice_fill_valid_words(struct ice_adv_lkup_elem *rule,
4389 struct ice_prot_lkup_ext *lkup_exts)
4395 if (!ice_prot_type_to_id(rule->type, &prot_id))
4398 word = lkup_exts->n_val_words;
4400 for (j = 0; j < sizeof(rule->m_u) / sizeof(u16); j++)
4401 if (((u16 *)&rule->m_u)[j] == 0xffff &&
4402 rule->type < ARRAY_SIZE(ice_prot_ext)) {
4403 /* No more space to accommodate */
4404 if (word >= ICE_MAX_CHAIN_WORDS)
4406 lkup_exts->fv_words[word].off =
4407 ice_prot_ext[rule->type].offs[j];
4408 lkup_exts->fv_words[word].prot_id =
4409 ice_prot_id_tbl[rule->type].protocol_id;
4413 ret_val = word - lkup_exts->n_val_words;
4414 lkup_exts->n_val_words = word;
4420 * ice_find_prot_off_ind - check for specific ID and offset in rule
4421 * @lkup_exts: an array of protocol header extractions
4422 * @prot_type: protocol type to check
4423 * @off: expected offset of the extraction
4425 * Check if the prot_ext has given protocol ID and offset
4428 ice_find_prot_off_ind(struct ice_prot_lkup_ext *lkup_exts, u8 prot_type,
4433 for (j = 0; j < lkup_exts->n_val_words; j++)
4434 if (lkup_exts->fv_words[j].off == off &&
4435 lkup_exts->fv_words[j].prot_id == prot_type)
4438 return ICE_MAX_CHAIN_WORDS;
4442 * ice_is_recipe_subset - check if recipe group policy is a subset of lookup
4443 * @lkup_exts: an array of protocol header extractions
4444 * @r_policy: preferred recipe grouping policy
4446 * Helper function to check if given recipe group is subset we need to check if
4447 * all the words described by the given recipe group exist in the advanced rule
4448 * look up information
4451 ice_is_recipe_subset(struct ice_prot_lkup_ext *lkup_exts,
4452 const struct ice_pref_recipe_group *r_policy)
4454 u8 ind[ICE_NUM_WORDS_RECIPE];
4458 /* check if everything in the r_policy is part of the entire rule */
4459 for (i = 0; i < r_policy->n_val_pairs; i++) {
4462 j = ice_find_prot_off_ind(lkup_exts, r_policy->pairs[i].prot_id,
4463 r_policy->pairs[i].off);
4464 if (j >= ICE_MAX_CHAIN_WORDS)
4467 /* store the indexes temporarily found by the find function
4468 * this will be used to mark the words as 'done'
4473 /* If the entire policy recipe was a true match, then mark the fields
4474 * that are covered by the recipe as 'done' meaning that these words
4475 * will be clumped together in one recipe.
4476 * "Done" here means in our searching if certain recipe group
4477 * matches or is subset of the given rule, then we mark all
4478 * the corresponding offsets as found. So the remaining recipes should
4479 * be created with whatever words that were left.
4481 for (i = 0; i < count; i++) {
4484 ice_set_bit(in, lkup_exts->done);
4490 * ice_create_first_fit_recp_def - Create a recipe grouping
4491 * @hw: pointer to the hardware structure
4492 * @lkup_exts: an array of protocol header extractions
4493 * @rg_list: pointer to a list that stores new recipe groups
4494 * @recp_cnt: pointer to a variable that stores returned number of recipe groups
4496 * Using first fit algorithm, take all the words that are still not done
4497 * and start grouping them in 4-word groups. Each group makes up one
4500 static enum ice_status
4501 ice_create_first_fit_recp_def(struct ice_hw *hw,
4502 struct ice_prot_lkup_ext *lkup_exts,
4503 struct LIST_HEAD_TYPE *rg_list,
4506 struct ice_pref_recipe_group *grp = NULL;
4511 /* Walk through every word in the rule to check if it is not done. If so
4512 * then this word needs to be part of a new recipe.
4514 for (j = 0; j < lkup_exts->n_val_words; j++)
4515 if (!ice_is_bit_set(lkup_exts->done, j)) {
4517 grp->n_val_pairs == ICE_NUM_WORDS_RECIPE) {
4518 struct ice_recp_grp_entry *entry;
4520 entry = (struct ice_recp_grp_entry *)
4521 ice_malloc(hw, sizeof(*entry));
4523 return ICE_ERR_NO_MEMORY;
4524 LIST_ADD(&entry->l_entry, rg_list);
4525 grp = &entry->r_group;
4529 grp->pairs[grp->n_val_pairs].prot_id =
4530 lkup_exts->fv_words[j].prot_id;
4531 grp->pairs[grp->n_val_pairs].off =
4532 lkup_exts->fv_words[j].off;
4540 * ice_fill_fv_word_index - fill in the field vector indices for a recipe group
4541 * @hw: pointer to the hardware structure
4542 * @fv_list: field vector with the extraction sequence information
4543 * @rg_list: recipe groupings with protocol-offset pairs
4545 * Helper function to fill in the field vector indices for protocol-offset
4546 * pairs. These indexes are then ultimately programmed into a recipe.
4549 ice_fill_fv_word_index(struct ice_hw *hw, struct LIST_HEAD_TYPE *fv_list,
4550 struct LIST_HEAD_TYPE *rg_list)
4552 struct ice_sw_fv_list_entry *fv;
4553 struct ice_recp_grp_entry *rg;
4554 struct ice_fv_word *fv_ext;
4556 if (LIST_EMPTY(fv_list))
4559 fv = LIST_FIRST_ENTRY(fv_list, struct ice_sw_fv_list_entry, list_entry);
4560 fv_ext = fv->fv_ptr->ew;
4562 LIST_FOR_EACH_ENTRY(rg, rg_list, ice_recp_grp_entry, l_entry) {
4565 for (i = 0; i < rg->r_group.n_val_pairs; i++) {
4566 struct ice_fv_word *pr;
4569 pr = &rg->r_group.pairs[i];
4570 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
4571 if (fv_ext[j].prot_id == pr->prot_id &&
4572 fv_ext[j].off == pr->off) {
4573 /* Store index of field vector */
4582 * ice_add_sw_recipe - function to call AQ calls to create switch recipe
4583 * @hw: pointer to hardware structure
4584 * @rm: recipe management list entry
4585 * @match_tun: if field vector index for tunnel needs to be programmed
4587 static enum ice_status
4588 ice_add_sw_recipe(struct ice_hw *hw, struct ice_sw_recipe *rm,
4591 struct ice_aqc_recipe_data_elem *tmp;
4592 struct ice_aqc_recipe_data_elem *buf;
4593 struct ice_recp_grp_entry *entry;
4594 enum ice_status status;
4599 /* When more than one recipe are required, another recipe is needed to
4600 * chain them together. Matching a tunnel metadata ID takes up one of
4601 * the match fields in the chaining recipe reducing the number of
4602 * chained recipes by one.
4604 if (rm->n_grp_count > 1)
4606 if (rm->n_grp_count > ICE_MAX_CHAIN_RECIPE ||
4607 (match_tun && rm->n_grp_count > (ICE_MAX_CHAIN_RECIPE - 1)))
4608 return ICE_ERR_MAX_LIMIT;
4610 tmp = (struct ice_aqc_recipe_data_elem *)ice_calloc(hw,
4611 ICE_MAX_NUM_RECIPES,
4614 return ICE_ERR_NO_MEMORY;
4616 buf = (struct ice_aqc_recipe_data_elem *)
4617 ice_calloc(hw, rm->n_grp_count, sizeof(*buf));
4619 status = ICE_ERR_NO_MEMORY;
4623 ice_zero_bitmap(rm->r_bitmap, ICE_MAX_NUM_RECIPES);
4624 recipe_count = ICE_MAX_NUM_RECIPES;
4625 status = ice_aq_get_recipe(hw, tmp, &recipe_count, ICE_SW_LKUP_MAC,
4627 if (status || recipe_count == 0)
4630 /* Allocate the recipe resources, and configure them according to the
4631 * match fields from protocol headers and extracted field vectors.
4633 chain_idx = ICE_CHAIN_FV_INDEX_START -
4634 ice_find_first_bit(available_result_ids,
4635 ICE_CHAIN_FV_INDEX_START + 1);
4636 LIST_FOR_EACH_ENTRY(entry, &rm->rg_list, ice_recp_grp_entry, l_entry) {
4639 status = ice_alloc_recipe(hw, &entry->rid);
4643 /* Clear the result index of the located recipe, as this will be
4644 * updated, if needed, later in the recipe creation process.
4646 tmp[0].content.result_indx = 0;
4648 buf[recps] = tmp[0];
4649 buf[recps].recipe_indx = (u8)entry->rid;
4650 /* if the recipe is a non-root recipe RID should be programmed
4651 * as 0 for the rules to be applied correctly.
4653 buf[recps].content.rid = 0;
4654 ice_memset(&buf[recps].content.lkup_indx, 0,
4655 sizeof(buf[recps].content.lkup_indx),
4658 /* All recipes use look-up index 0 to match switch ID. */
4659 buf[recps].content.lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
4660 buf[recps].content.mask[0] =
4661 CPU_TO_LE16(ICE_AQ_SW_ID_LKUP_MASK);
4662 /* Setup lkup_indx 1..4 to INVALID/ignore and set the mask
4665 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
4666 buf[recps].content.lkup_indx[i] = 0x80;
4667 buf[recps].content.mask[i] = 0;
4670 for (i = 0; i < entry->r_group.n_val_pairs; i++) {
4671 buf[recps].content.lkup_indx[i + 1] = entry->fv_idx[i];
4672 buf[recps].content.mask[i + 1] = CPU_TO_LE16(0xFFFF);
4675 if (rm->n_grp_count > 1) {
4676 entry->chain_idx = chain_idx;
4677 buf[recps].content.result_indx =
4678 ICE_AQ_RECIPE_RESULT_EN |
4679 ((chain_idx << ICE_AQ_RECIPE_RESULT_DATA_S) &
4680 ICE_AQ_RECIPE_RESULT_DATA_M);
4681 ice_clear_bit(ICE_CHAIN_FV_INDEX_START - chain_idx,
4682 available_result_ids);
4683 chain_idx = ICE_CHAIN_FV_INDEX_START -
4684 ice_find_first_bit(available_result_ids,
4685 ICE_CHAIN_FV_INDEX_START +
4689 /* fill recipe dependencies */
4690 ice_zero_bitmap((ice_bitmap_t *)buf[recps].recipe_bitmap,
4691 ICE_MAX_NUM_RECIPES);
4692 ice_set_bit(buf[recps].recipe_indx,
4693 (ice_bitmap_t *)buf[recps].recipe_bitmap);
4694 buf[recps].content.act_ctrl_fwd_priority = rm->priority;
4698 if (rm->n_grp_count == 1) {
4699 rm->root_rid = buf[0].recipe_indx;
4700 ice_set_bit(buf[0].recipe_indx, rm->r_bitmap);
4701 buf[0].content.rid = rm->root_rid | ICE_AQ_RECIPE_ID_IS_ROOT;
4702 if (sizeof(buf[0].recipe_bitmap) >= sizeof(rm->r_bitmap)) {
4703 ice_memcpy(buf[0].recipe_bitmap, rm->r_bitmap,
4704 sizeof(buf[0].recipe_bitmap),
4705 ICE_NONDMA_TO_NONDMA);
4707 status = ICE_ERR_BAD_PTR;
4710 /* Applicable only for ROOT_RECIPE, set the fwd_priority for
4711 * the recipe which is getting created if specified
4712 * by user. Usually any advanced switch filter, which results
4713 * into new extraction sequence, ended up creating a new recipe
4714 * of type ROOT and usually recipes are associated with profiles
4715 * Switch rule referreing newly created recipe, needs to have
4716 * either/or 'fwd' or 'join' priority, otherwise switch rule
4717 * evaluation will not happen correctly. In other words, if
4718 * switch rule to be evaluated on priority basis, then recipe
4719 * needs to have priority, otherwise it will be evaluated last.
4721 buf[0].content.act_ctrl_fwd_priority = rm->priority;
4723 struct ice_recp_grp_entry *last_chain_entry;
4726 /* Allocate the last recipe that will chain the outcomes of the
4727 * other recipes together
4729 status = ice_alloc_recipe(hw, &rid);
4733 buf[recps].recipe_indx = (u8)rid;
4734 buf[recps].content.rid = (u8)rid;
4735 buf[recps].content.rid |= ICE_AQ_RECIPE_ID_IS_ROOT;
4736 /* the new entry created should also be part of rg_list to
4737 * make sure we have complete recipe
4739 last_chain_entry = (struct ice_recp_grp_entry *)ice_malloc(hw,
4740 sizeof(*last_chain_entry));
4741 if (!last_chain_entry) {
4742 status = ICE_ERR_NO_MEMORY;
4745 last_chain_entry->rid = rid;
4746 ice_memset(&buf[recps].content.lkup_indx, 0,
4747 sizeof(buf[recps].content.lkup_indx),
4749 /* All recipes use look-up index 0 to match switch ID. */
4750 buf[recps].content.lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
4751 buf[recps].content.mask[0] =
4752 CPU_TO_LE16(ICE_AQ_SW_ID_LKUP_MASK);
4753 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
4754 buf[recps].content.lkup_indx[i] =
4755 ICE_AQ_RECIPE_LKUP_IGNORE;
4756 buf[recps].content.mask[i] = 0;
4760 /* update r_bitmap with the recp that is used for chaining */
4761 ice_set_bit(rid, rm->r_bitmap);
4762 /* this is the recipe that chains all the other recipes so it
4763 * should not have a chaining ID to indicate the same
4765 last_chain_entry->chain_idx = ICE_INVAL_CHAIN_IND;
4766 LIST_FOR_EACH_ENTRY(entry, &rm->rg_list, ice_recp_grp_entry,
4768 last_chain_entry->fv_idx[i] = entry->chain_idx;
4769 buf[recps].content.lkup_indx[i] = entry->chain_idx;
4770 buf[recps].content.mask[i++] = CPU_TO_LE16(0xFFFF);
4771 ice_set_bit(entry->rid, rm->r_bitmap);
4773 LIST_ADD(&last_chain_entry->l_entry, &rm->rg_list);
4774 if (sizeof(buf[recps].recipe_bitmap) >=
4775 sizeof(rm->r_bitmap)) {
4776 ice_memcpy(buf[recps].recipe_bitmap, rm->r_bitmap,
4777 sizeof(buf[recps].recipe_bitmap),
4778 ICE_NONDMA_TO_NONDMA);
4780 status = ICE_ERR_BAD_PTR;
4783 buf[recps].content.act_ctrl_fwd_priority = rm->priority;
4785 /* To differentiate among different UDP tunnels, a meta data ID
4789 buf[recps].content.lkup_indx[i] = ICE_TUN_FLAG_FV_IND;
4790 buf[recps].content.mask[i] =
4791 CPU_TO_LE16(ICE_TUN_FLAG_MASK);
4795 rm->root_rid = (u8)rid;
4797 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
4801 status = ice_aq_add_recipe(hw, buf, rm->n_grp_count, NULL);
4802 ice_release_change_lock(hw);
4806 /* Every recipe that just got created add it to the recipe
4809 LIST_FOR_EACH_ENTRY(entry, &rm->rg_list, ice_recp_grp_entry, l_entry) {
4810 struct ice_switch_info *sw = hw->switch_info;
4811 struct ice_sw_recipe *recp;
4813 recp = &sw->recp_list[entry->rid];
4814 recp->root_rid = entry->rid;
4815 ice_memcpy(&recp->ext_words, entry->r_group.pairs,
4816 entry->r_group.n_val_pairs *
4817 sizeof(struct ice_fv_word),
4818 ICE_NONDMA_TO_NONDMA);
4820 recp->n_ext_words = entry->r_group.n_val_pairs;
4821 recp->chain_idx = entry->chain_idx;
4822 recp->recp_created = true;
4823 recp->big_recp = false;
4837 * ice_create_recipe_group - creates recipe group
4838 * @hw: pointer to hardware structure
4839 * @rm: recipe management list entry
4840 * @lkup_exts: lookup elements
4842 static enum ice_status
4843 ice_create_recipe_group(struct ice_hw *hw, struct ice_sw_recipe *rm,
4844 struct ice_prot_lkup_ext *lkup_exts)
4846 struct ice_recp_grp_entry *entry;
4847 struct ice_recp_grp_entry *tmp;
4848 enum ice_status status;
4852 rm->n_grp_count = 0;
4854 /* Each switch recipe can match up to 5 words or metadata. One word in
4855 * each recipe is used to match the switch ID. Four words are left for
4856 * matching other values. If the new advanced recipe requires more than
4857 * 4 words, it needs to be split into multiple recipes which are chained
4858 * together using the intermediate result that each produces as input to
4859 * the other recipes in the sequence.
4861 groups = ARRAY_SIZE(ice_recipe_pack);
4863 /* Check if any of the preferred recipes from the grouping policy
4866 for (i = 0; i < groups; i++)
4867 /* Check if the recipe from the preferred grouping matches
4868 * or is a subset of the fields that needs to be looked up.
4870 if (ice_is_recipe_subset(lkup_exts, &ice_recipe_pack[i])) {
4871 /* This recipe can be used by itself or grouped with
4874 entry = (struct ice_recp_grp_entry *)
4875 ice_malloc(hw, sizeof(*entry));
4877 status = ICE_ERR_NO_MEMORY;
4880 entry->r_group = ice_recipe_pack[i];
4881 LIST_ADD(&entry->l_entry, &rm->rg_list);
4885 /* Create recipes for words that are marked not done by packing them
4888 status = ice_create_first_fit_recp_def(hw, lkup_exts,
4889 &rm->rg_list, &recp_count);
4891 rm->n_grp_count += recp_count;
4892 rm->n_ext_words = lkup_exts->n_val_words;
4893 ice_memcpy(&rm->ext_words, lkup_exts->fv_words,
4894 sizeof(rm->ext_words), ICE_NONDMA_TO_NONDMA);
4899 LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, &rm->rg_list, ice_recp_grp_entry,
4901 LIST_DEL(&entry->l_entry);
4902 ice_free(hw, entry);
4910 * ice_get_fv - get field vectors/extraction sequences for spec. lookup types
4911 * @hw: pointer to hardware structure
4912 * @lkups: lookup elements or match criteria for the advanced recipe, one
4913 * structure per protocol header
4914 * @lkups_cnt: number of protocols
4915 * @fv_list: pointer to a list that holds the returned field vectors
4917 static enum ice_status
4918 ice_get_fv(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
4919 struct LIST_HEAD_TYPE *fv_list)
4921 enum ice_status status;
4925 prot_ids = (u16 *)ice_calloc(hw, lkups_cnt, sizeof(*prot_ids));
4927 return ICE_ERR_NO_MEMORY;
4929 for (i = 0; i < lkups_cnt; i++)
4930 if (!ice_prot_type_to_id(lkups[i].type, &prot_ids[i])) {
4931 status = ICE_ERR_CFG;
4935 /* Find field vectors that include all specified protocol types */
4936 status = ice_get_sw_fv_list(hw, prot_ids, lkups_cnt, fv_list);
4939 ice_free(hw, prot_ids);
4944 * ice_add_adv_recipe - Add an advanced recipe that is not part of the default
4945 * @hw: pointer to hardware structure
4946 * @lkups: lookup elements or match criteria for the advanced recipe, one
4947 * structure per protocol header
4948 * @lkups_cnt: number of protocols
4949 * @rinfo: other information regarding the rule e.g. priority and action info
4950 * @rid: return the recipe ID of the recipe created
4952 static enum ice_status
4953 ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
4954 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, u16 *rid)
4956 struct ice_prot_lkup_ext *lkup_exts;
4957 struct ice_recp_grp_entry *r_entry;
4958 struct ice_sw_fv_list_entry *fvit;
4959 struct ice_recp_grp_entry *r_tmp;
4960 struct ice_sw_fv_list_entry *tmp;
4961 enum ice_status status = ICE_SUCCESS;
4962 struct ice_sw_recipe *rm;
4963 bool match_tun = false;
4967 return ICE_ERR_PARAM;
4969 lkup_exts = (struct ice_prot_lkup_ext *)
4970 ice_malloc(hw, sizeof(*lkup_exts));
4972 return ICE_ERR_NO_MEMORY;
4974 /* Determine the number of words to be matched and if it exceeds a
4975 * recipe's restrictions
4977 for (i = 0; i < lkups_cnt; i++) {
4980 if (lkups[i].type >= ICE_PROTOCOL_LAST) {
4981 status = ICE_ERR_CFG;
4982 goto err_free_lkup_exts;
4985 count = ice_fill_valid_words(&lkups[i], lkup_exts);
4987 status = ICE_ERR_CFG;
4988 goto err_free_lkup_exts;
4992 *rid = ice_find_recp(hw, lkup_exts);
4993 if (*rid < ICE_MAX_NUM_RECIPES)
4994 /* Success if found a recipe that match the existing criteria */
4995 goto err_free_lkup_exts;
4997 /* Recipe we need does not exist, add a recipe */
4999 rm = (struct ice_sw_recipe *)ice_malloc(hw, sizeof(*rm));
5001 status = ICE_ERR_NO_MEMORY;
5002 goto err_free_lkup_exts;
5005 /* Get field vectors that contain fields extracted from all the protocol
5006 * headers being programmed.
5008 INIT_LIST_HEAD(&rm->fv_list);
5009 INIT_LIST_HEAD(&rm->rg_list);
5011 status = ice_get_fv(hw, lkups, lkups_cnt, &rm->fv_list);
5015 /* Group match words into recipes using preferred recipe grouping
5018 status = ice_create_recipe_group(hw, rm, lkup_exts);
5022 /* There is only profile for UDP tunnels. So, it is necessary to use a
5023 * metadata ID flag to differentiate different tunnel types. A separate
5024 * recipe needs to be used for the metadata.
5026 if ((rinfo->tun_type == ICE_SW_TUN_VXLAN_GPE ||
5027 rinfo->tun_type == ICE_SW_TUN_GENEVE ||
5028 rinfo->tun_type == ICE_SW_TUN_VXLAN) && rm->n_grp_count > 1)
5031 /* set the recipe priority if specified */
5032 rm->priority = rinfo->priority ? rinfo->priority : 0;
5034 /* Find offsets from the field vector. Pick the first one for all the
5037 ice_fill_fv_word_index(hw, &rm->fv_list, &rm->rg_list);
5038 status = ice_add_sw_recipe(hw, rm, match_tun);
5042 /* Associate all the recipes created with all the profiles in the
5043 * common field vector.
5045 LIST_FOR_EACH_ENTRY(fvit, &rm->fv_list, ice_sw_fv_list_entry,
5047 ice_declare_bitmap(r_bitmap, ICE_MAX_NUM_RECIPES);
5049 status = ice_aq_get_recipe_to_profile(hw, fvit->profile_id,
5050 (u8 *)r_bitmap, NULL);
5054 ice_or_bitmap(rm->r_bitmap, r_bitmap, rm->r_bitmap,
5055 ICE_MAX_NUM_RECIPES);
5056 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
5060 status = ice_aq_map_recipe_to_profile(hw, fvit->profile_id,
5063 ice_release_change_lock(hw);
5069 *rid = rm->root_rid;
5070 ice_memcpy(&hw->switch_info->recp_list[*rid].lkup_exts,
5071 lkup_exts, sizeof(*lkup_exts), ICE_NONDMA_TO_NONDMA);
5073 LIST_FOR_EACH_ENTRY_SAFE(r_entry, r_tmp, &rm->rg_list,
5074 ice_recp_grp_entry, l_entry) {
5075 LIST_DEL(&r_entry->l_entry);
5076 ice_free(hw, r_entry);
5079 LIST_FOR_EACH_ENTRY_SAFE(fvit, tmp, &rm->fv_list, ice_sw_fv_list_entry,
5081 LIST_DEL(&fvit->list_entry);
5086 ice_free(hw, rm->root_buf);
5091 ice_free(hw, lkup_exts);
5096 #define ICE_MAC_HDR_OFFSET 0
5097 #define ICE_IP_HDR_OFFSET 14
5098 #define ICE_GRE_HDR_OFFSET 34
5099 #define ICE_MAC_IL_HDR_OFFSET 42
5100 #define ICE_IP_IL_HDR_OFFSET 56
5101 #define ICE_L4_HDR_OFFSET 34
5102 #define ICE_UDP_TUN_HDR_OFFSET 42
5105 * ice_find_dummy_packet - find dummy packet with given match criteria
5107 * @lkups: lookup elements or match criteria for the advanced recipe, one
5108 * structure per protocol header
5109 * @lkups_cnt: number of protocols
5110 * @tun_type: tunnel type from the match criteria
5111 * @pkt: dummy packet to fill according to filter match criteria
5112 * @pkt_len: packet length of dummy packet
5115 ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
5116 enum ice_sw_tunnel_type tun_type, const u8 **pkt,
5121 if (tun_type == ICE_SW_TUN_NVGRE || tun_type == ICE_ALL_TUNNELS) {
5122 *pkt = dummy_gre_packet;
5123 *pkt_len = sizeof(dummy_gre_packet);
5127 if (tun_type == ICE_SW_TUN_VXLAN || tun_type == ICE_SW_TUN_GENEVE ||
5128 tun_type == ICE_SW_TUN_VXLAN_GPE) {
5129 *pkt = dummy_udp_tun_packet;
5130 *pkt_len = sizeof(dummy_udp_tun_packet);
5134 for (i = 0; i < lkups_cnt; i++) {
5135 if (lkups[i].type == ICE_UDP_ILOS) {
5136 *pkt = dummy_udp_tun_packet;
5137 *pkt_len = sizeof(dummy_udp_tun_packet);
5142 *pkt = dummy_tcp_tun_packet;
5143 *pkt_len = sizeof(dummy_tcp_tun_packet);
5147 * ice_fill_adv_dummy_packet - fill a dummy packet with given match criteria
5149 * @lkups: lookup elements or match criteria for the advanced recipe, one
5150 * structure per protocol header
5151 * @lkups_cnt: number of protocols
5152 * @tun_type: to know if the dummy packet is supposed to be tunnel packet
5153 * @s_rule: stores rule information from the match criteria
5154 * @dummy_pkt: dummy packet to fill according to filter match criteria
5155 * @pkt_len: packet length of dummy packet
5158 ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
5159 enum ice_sw_tunnel_type tun_type,
5160 struct ice_aqc_sw_rules_elem *s_rule,
5161 const u8 *dummy_pkt, u16 pkt_len)
5166 /* Start with a packet with a pre-defined/dummy content. Then, fill
5167 * in the header values to be looked up or matched.
5169 pkt = s_rule->pdata.lkup_tx_rx.hdr;
5171 ice_memcpy(pkt, dummy_pkt, pkt_len, ICE_NONDMA_TO_NONDMA);
5173 for (i = 0; i < lkups_cnt; i++) {
5174 u32 len, pkt_off, hdr_size, field_off;
5176 switch (lkups[i].type) {
5179 pkt_off = offsetof(struct ice_ether_hdr, dst_addr) +
5180 ((lkups[i].type == ICE_MAC_IL) ?
5181 ICE_MAC_IL_HDR_OFFSET : 0);
5182 len = sizeof(lkups[i].h_u.eth_hdr.dst_addr);
5183 if ((tun_type == ICE_SW_TUN_VXLAN ||
5184 tun_type == ICE_SW_TUN_GENEVE ||
5185 tun_type == ICE_SW_TUN_VXLAN_GPE) &&
5186 lkups[i].type == ICE_MAC_IL) {
5187 pkt_off += sizeof(struct ice_udp_tnl_hdr);
5190 ice_memcpy(&pkt[pkt_off],
5191 &lkups[i].h_u.eth_hdr.dst_addr, len,
5192 ICE_NONDMA_TO_NONDMA);
5193 pkt_off = offsetof(struct ice_ether_hdr, src_addr) +
5194 ((lkups[i].type == ICE_MAC_IL) ?
5195 ICE_MAC_IL_HDR_OFFSET : 0);
5196 len = sizeof(lkups[i].h_u.eth_hdr.src_addr);
5197 if ((tun_type == ICE_SW_TUN_VXLAN ||
5198 tun_type == ICE_SW_TUN_GENEVE ||
5199 tun_type == ICE_SW_TUN_VXLAN_GPE) &&
5200 lkups[i].type == ICE_MAC_IL) {
5201 pkt_off += sizeof(struct ice_udp_tnl_hdr);
5203 ice_memcpy(&pkt[pkt_off],
5204 &lkups[i].h_u.eth_hdr.src_addr, len,
5205 ICE_NONDMA_TO_NONDMA);
5206 if (lkups[i].h_u.eth_hdr.ethtype_id) {
5207 pkt_off = offsetof(struct ice_ether_hdr,
5209 ((lkups[i].type == ICE_MAC_IL) ?
5210 ICE_MAC_IL_HDR_OFFSET : 0);
5211 len = sizeof(lkups[i].h_u.eth_hdr.ethtype_id);
5212 if ((tun_type == ICE_SW_TUN_VXLAN ||
5213 tun_type == ICE_SW_TUN_GENEVE ||
5214 tun_type == ICE_SW_TUN_VXLAN_GPE) &&
5215 lkups[i].type == ICE_MAC_IL) {
5217 sizeof(struct ice_udp_tnl_hdr);
5219 ice_memcpy(&pkt[pkt_off],
5220 &lkups[i].h_u.eth_hdr.ethtype_id,
5221 len, ICE_NONDMA_TO_NONDMA);
5225 hdr_size = sizeof(struct ice_ipv4_hdr);
5226 if (lkups[i].h_u.ipv4_hdr.dst_addr) {
5227 pkt_off = ICE_IP_HDR_OFFSET +
5228 offsetof(struct ice_ipv4_hdr,
5230 field_off = offsetof(struct ice_ipv4_hdr,
5232 len = hdr_size - field_off;
5233 ice_memcpy(&pkt[pkt_off],
5234 &lkups[i].h_u.ipv4_hdr.dst_addr,
5235 len, ICE_NONDMA_TO_NONDMA);
5237 if (lkups[i].h_u.ipv4_hdr.src_addr) {
5238 pkt_off = ICE_IP_HDR_OFFSET +
5239 offsetof(struct ice_ipv4_hdr,
5241 field_off = offsetof(struct ice_ipv4_hdr,
5243 len = hdr_size - field_off;
5244 ice_memcpy(&pkt[pkt_off],
5245 &lkups[i].h_u.ipv4_hdr.src_addr,
5246 len, ICE_NONDMA_TO_NONDMA);
5254 hdr_size = sizeof(struct ice_udp_tnl_hdr);
5255 if (lkups[i].h_u.l4_hdr.dst_port) {
5256 pkt_off = ICE_L4_HDR_OFFSET +
5257 offsetof(struct ice_l4_hdr,
5259 field_off = offsetof(struct ice_l4_hdr,
5261 len = hdr_size - field_off;
5262 ice_memcpy(&pkt[pkt_off],
5263 &lkups[i].h_u.l4_hdr.dst_port,
5264 len, ICE_NONDMA_TO_NONDMA);
5266 if (lkups[i].h_u.l4_hdr.src_port) {
5267 pkt_off = ICE_L4_HDR_OFFSET +
5268 offsetof(struct ice_l4_hdr, src_port);
5269 field_off = offsetof(struct ice_l4_hdr,
5271 len = hdr_size - field_off;
5272 ice_memcpy(&pkt[pkt_off],
5273 &lkups[i].h_u.l4_hdr.src_port,
5274 len, ICE_NONDMA_TO_NONDMA);
5280 pkt_off = ICE_UDP_TUN_HDR_OFFSET +
5281 offsetof(struct ice_udp_tnl_hdr, vni);
5282 field_off = offsetof(struct ice_udp_tnl_hdr, vni);
5283 len = sizeof(struct ice_udp_tnl_hdr) - field_off;
5284 ice_memcpy(&pkt[pkt_off], &lkups[i].h_u.tnl_hdr.vni,
5285 len, ICE_NONDMA_TO_NONDMA);
5291 s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(pkt_len);
5295 * ice_find_adv_rule_entry - Search a rule entry
5296 * @hw: pointer to the hardware structure
5297 * @lkups: lookup elements or match criteria for the advanced recipe, one
5298 * structure per protocol header
5299 * @lkups_cnt: number of protocols
5300 * @recp_id: recipe ID for which we are finding the rule
5301 * @rinfo: other information regarding the rule e.g. priority and action info
5303 * Helper function to search for a given advance rule entry
5304 * Returns pointer to entry storing the rule if found
5306 static struct ice_adv_fltr_mgmt_list_entry *
5307 ice_find_adv_rule_entry(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5308 u16 lkups_cnt, u8 recp_id,
5309 struct ice_adv_rule_info *rinfo)
5311 struct ice_adv_fltr_mgmt_list_entry *list_itr;
5312 struct ice_switch_info *sw = hw->switch_info;
5315 LIST_FOR_EACH_ENTRY(list_itr, &sw->recp_list[recp_id].filt_rules,
5316 ice_adv_fltr_mgmt_list_entry, list_entry) {
5317 bool lkups_matched = true;
5319 if (lkups_cnt != list_itr->lkups_cnt)
5321 for (i = 0; i < list_itr->lkups_cnt; i++)
5322 if (memcmp(&list_itr->lkups[i], &lkups[i],
5324 lkups_matched = false;
5327 if (rinfo->sw_act.flag == list_itr->rule_info.sw_act.flag &&
5328 rinfo->tun_type == list_itr->rule_info.tun_type &&
5336 * ice_adv_add_update_vsi_list
5337 * @hw: pointer to the hardware structure
5338 * @m_entry: pointer to current adv filter management list entry
5339 * @cur_fltr: filter information from the book keeping entry
5340 * @new_fltr: filter information with the new VSI to be added
5342 * Call AQ command to add or update previously created VSI list with new VSI.
5344 * Helper function to do book keeping associated with adding filter information
5345 * The algorithm to do the booking keeping is described below :
5346 * When a VSI needs to subscribe to a given advanced filter
5347 * if only one VSI has been added till now
5348 * Allocate a new VSI list and add two VSIs
5349 * to this list using switch rule command
5350 * Update the previously created switch rule with the
5351 * newly created VSI list ID
5352 * if a VSI list was previously created
5353 * Add the new VSI to the previously created VSI list set
5354 * using the update switch rule command
5356 static enum ice_status
5357 ice_adv_add_update_vsi_list(struct ice_hw *hw,
5358 struct ice_adv_fltr_mgmt_list_entry *m_entry,
5359 struct ice_adv_rule_info *cur_fltr,
5360 struct ice_adv_rule_info *new_fltr)
5362 enum ice_status status;
5363 u16 vsi_list_id = 0;
5365 if (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_Q ||
5366 cur_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP)
5367 return ICE_ERR_NOT_IMPL;
5369 if (cur_fltr->sw_act.fltr_act == ICE_DROP_PACKET &&
5370 new_fltr->sw_act.fltr_act == ICE_DROP_PACKET)
5371 return ICE_ERR_ALREADY_EXISTS;
5373 if ((new_fltr->sw_act.fltr_act == ICE_FWD_TO_Q ||
5374 new_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP) &&
5375 (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI ||
5376 cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI_LIST))
5377 return ICE_ERR_NOT_IMPL;
5379 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
5380 /* Only one entry existed in the mapping and it was not already
5381 * a part of a VSI list. So, create a VSI list with the old and
5384 struct ice_fltr_info tmp_fltr;
5385 u16 vsi_handle_arr[2];
5387 /* A rule already exists with the new VSI being added */
5388 if (cur_fltr->sw_act.fwd_id.hw_vsi_id ==
5389 new_fltr->sw_act.fwd_id.hw_vsi_id)
5390 return ICE_ERR_ALREADY_EXISTS;
5392 vsi_handle_arr[0] = cur_fltr->sw_act.vsi_handle;
5393 vsi_handle_arr[1] = new_fltr->sw_act.vsi_handle;
5394 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
5400 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
5401 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
5402 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
5403 /* Update the previous switch rule of "forward to VSI" to
5406 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
5410 cur_fltr->sw_act.fwd_id.vsi_list_id = vsi_list_id;
5411 cur_fltr->sw_act.fltr_act = ICE_FWD_TO_VSI_LIST;
5412 m_entry->vsi_list_info =
5413 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
5416 u16 vsi_handle = new_fltr->sw_act.vsi_handle;
5418 if (!m_entry->vsi_list_info)
5421 /* A rule already exists with the new VSI being added */
5422 if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle))
5425 /* Update the previously created VSI list set with
5426 * the new VSI ID passed in
5428 vsi_list_id = cur_fltr->sw_act.fwd_id.vsi_list_id;
5430 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
5432 ice_aqc_opc_update_sw_rules,
5434 /* update VSI list mapping info with new VSI ID */
5436 ice_set_bit(vsi_handle,
5437 m_entry->vsi_list_info->vsi_map);
5440 m_entry->vsi_count++;
5445 * ice_add_adv_rule - create an advanced switch rule
5446 * @hw: pointer to the hardware structure
5447 * @lkups: information on the words that needs to be looked up. All words
5448 * together makes one recipe
5449 * @lkups_cnt: num of entries in the lkups array
5450 * @rinfo: other information related to the rule that needs to be programmed
5451 * @added_entry: this will return recipe_id, rule_id and vsi_handle. should be
5452 * ignored is case of error.
5454 * This function can program only 1 rule at a time. The lkups is used to
5455 * describe the all the words that forms the "lookup" portion of the recipe.
5456 * These words can span multiple protocols. Callers to this function need to
5457 * pass in a list of protocol headers with lookup information along and mask
5458 * that determines which words are valid from the given protocol header.
5459 * rinfo describes other information related to this rule such as forwarding
5460 * IDs, priority of this rule, etc.
5463 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5464 u16 lkups_cnt, struct ice_adv_rule_info *rinfo,
5465 struct ice_rule_query_data *added_entry)
5467 struct ice_adv_fltr_mgmt_list_entry *m_entry, *adv_fltr = NULL;
5468 u16 rid = 0, i, pkt_len, rule_buf_sz, vsi_handle;
5469 struct ice_aqc_sw_rules_elem *s_rule;
5470 struct LIST_HEAD_TYPE *rule_head;
5471 struct ice_switch_info *sw;
5472 enum ice_status status;
5473 const u8 *pkt = NULL;
5477 return ICE_ERR_PARAM;
5479 for (i = 0; i < lkups_cnt; i++) {
5482 /* Validate match masks to make sure they match complete 16-bit
5485 ptr = (u16 *)&lkups->m_u;
5486 for (j = 0; j < sizeof(lkups->m_u) / sizeof(u16); j++)
5487 if (ptr[j] != 0 && ptr[j] != 0xffff)
5488 return ICE_ERR_PARAM;
5491 if (!(rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI ||
5492 rinfo->sw_act.fltr_act == ICE_FWD_TO_Q ||
5493 rinfo->sw_act.fltr_act == ICE_DROP_PACKET))
5496 vsi_handle = rinfo->sw_act.vsi_handle;
5497 if (!ice_is_vsi_valid(hw, vsi_handle))
5498 return ICE_ERR_PARAM;
5500 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI)
5501 rinfo->sw_act.fwd_id.hw_vsi_id =
5502 ice_get_hw_vsi_num(hw, vsi_handle);
5503 if (rinfo->sw_act.flag & ICE_FLTR_TX)
5504 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, vsi_handle);
5506 status = ice_add_adv_recipe(hw, lkups, lkups_cnt, rinfo, &rid);
5509 m_entry = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo);
5511 /* we have to add VSI to VSI_LIST and increment vsi_count.
5512 * Also Update VSI list so that we can change forwarding rule
5513 * if the rule already exists, we will check if it exists with
5514 * same vsi_id, if not then add it to the VSI list if it already
5515 * exists if not then create a VSI list and add the existing VSI
5516 * ID and the new VSI ID to the list
5517 * We will add that VSI to the list
5519 status = ice_adv_add_update_vsi_list(hw, m_entry,
5520 &m_entry->rule_info,
5523 added_entry->rid = rid;
5524 added_entry->rule_id = m_entry->rule_info.fltr_rule_id;
5525 added_entry->vsi_handle = rinfo->sw_act.vsi_handle;
5529 ice_find_dummy_packet(lkups, lkups_cnt, rinfo->tun_type, &pkt,
5531 rule_buf_sz = ICE_SW_RULE_RX_TX_NO_HDR_SIZE + pkt_len;
5532 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rule_buf_sz);
5534 return ICE_ERR_NO_MEMORY;
5535 act |= ICE_SINGLE_ACT_LB_ENABLE | ICE_SINGLE_ACT_LAN_ENABLE;
5536 switch (rinfo->sw_act.fltr_act) {
5537 case ICE_FWD_TO_VSI:
5538 act |= (rinfo->sw_act.fwd_id.hw_vsi_id <<
5539 ICE_SINGLE_ACT_VSI_ID_S) & ICE_SINGLE_ACT_VSI_ID_M;
5540 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT;
5543 act |= ICE_SINGLE_ACT_TO_Q;
5544 act |= (rinfo->sw_act.fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
5545 ICE_SINGLE_ACT_Q_INDEX_M;
5547 case ICE_DROP_PACKET:
5548 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
5549 ICE_SINGLE_ACT_VALID_BIT;
5552 status = ICE_ERR_CFG;
5553 goto err_ice_add_adv_rule;
5556 /* set the rule LOOKUP type based on caller specified 'RX'
5557 * instead of hardcoding it to be either LOOKUP_TX/RX
5559 * for 'RX' set the source to be the port number
5560 * for 'TX' set the source to be the source HW VSI number (determined
5564 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX);
5565 s_rule->pdata.lkup_tx_rx.src =
5566 CPU_TO_LE16(hw->port_info->lport);
5568 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX);
5569 s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(rinfo->sw_act.src);
5572 s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(rid);
5573 s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
5575 ice_fill_adv_dummy_packet(lkups, lkups_cnt, rinfo->tun_type, s_rule,
5578 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule,
5579 rule_buf_sz, 1, ice_aqc_opc_add_sw_rules,
5582 goto err_ice_add_adv_rule;
5583 adv_fltr = (struct ice_adv_fltr_mgmt_list_entry *)
5584 ice_malloc(hw, sizeof(struct ice_adv_fltr_mgmt_list_entry));
5586 status = ICE_ERR_NO_MEMORY;
5587 goto err_ice_add_adv_rule;
5590 adv_fltr->lkups = (struct ice_adv_lkup_elem *)
5591 ice_memdup(hw, lkups, lkups_cnt * sizeof(*lkups),
5592 ICE_NONDMA_TO_NONDMA);
5593 if (!adv_fltr->lkups) {
5594 status = ICE_ERR_NO_MEMORY;
5595 goto err_ice_add_adv_rule;
5598 adv_fltr->lkups_cnt = lkups_cnt;
5599 adv_fltr->rule_info = *rinfo;
5600 adv_fltr->rule_info.fltr_rule_id =
5601 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
5602 sw = hw->switch_info;
5603 sw->recp_list[rid].adv_rule = true;
5604 rule_head = &sw->recp_list[rid].filt_rules;
5606 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI) {
5607 struct ice_fltr_info tmp_fltr;
5609 tmp_fltr.fltr_rule_id =
5610 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
5611 tmp_fltr.fltr_act = ICE_FWD_TO_VSI;
5612 tmp_fltr.fwd_id.hw_vsi_id =
5613 ice_get_hw_vsi_num(hw, vsi_handle);
5614 tmp_fltr.vsi_handle = vsi_handle;
5615 /* Update the previous switch rule of "forward to VSI" to
5618 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
5620 goto err_ice_add_adv_rule;
5621 adv_fltr->vsi_count = 1;
5624 /* Add rule entry to book keeping list */
5625 LIST_ADD(&adv_fltr->list_entry, rule_head);
5627 added_entry->rid = rid;
5628 added_entry->rule_id = adv_fltr->rule_info.fltr_rule_id;
5629 added_entry->vsi_handle = rinfo->sw_act.vsi_handle;
5631 err_ice_add_adv_rule:
5632 if (status && adv_fltr) {
5633 ice_free(hw, adv_fltr->lkups);
5634 ice_free(hw, adv_fltr);
5637 ice_free(hw, s_rule);
5643 * ice_adv_rem_update_vsi_list
5644 * @hw: pointer to the hardware structure
5645 * @vsi_handle: VSI handle of the VSI to remove
5646 * @fm_list: filter management entry for which the VSI list management needs to
5649 static enum ice_status
5650 ice_adv_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
5651 struct ice_adv_fltr_mgmt_list_entry *fm_list)
5653 struct ice_vsi_list_map_info *vsi_list_info;
5654 enum ice_sw_lkup_type lkup_type;
5655 enum ice_status status;
5658 if (fm_list->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST ||
5659 fm_list->vsi_count == 0)
5660 return ICE_ERR_PARAM;
5662 /* A rule with the VSI being removed does not exist */
5663 if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle))
5664 return ICE_ERR_DOES_NOT_EXIST;
5666 lkup_type = ICE_SW_LKUP_LAST;
5667 vsi_list_id = fm_list->rule_info.sw_act.fwd_id.vsi_list_id;
5668 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
5669 ice_aqc_opc_update_sw_rules,
5674 fm_list->vsi_count--;
5675 ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
5676 vsi_list_info = fm_list->vsi_list_info;
5677 if (fm_list->vsi_count == 1) {
5678 struct ice_fltr_info tmp_fltr;
5681 rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map,
5683 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
5684 return ICE_ERR_OUT_OF_RANGE;
5686 /* Make sure VSI list is empty before removing it below */
5687 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
5689 ice_aqc_opc_update_sw_rules,
5693 tmp_fltr.fltr_rule_id = fm_list->rule_info.fltr_rule_id;
5694 fm_list->rule_info.sw_act.fltr_act = ICE_FWD_TO_VSI;
5695 tmp_fltr.fltr_act = ICE_FWD_TO_VSI;
5696 tmp_fltr.fwd_id.hw_vsi_id =
5697 ice_get_hw_vsi_num(hw, rem_vsi_handle);
5698 fm_list->rule_info.sw_act.fwd_id.hw_vsi_id =
5699 ice_get_hw_vsi_num(hw, rem_vsi_handle);
5701 /* Update the previous switch rule of "MAC forward to VSI" to
5702 * "MAC fwd to VSI list"
5704 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
5706 ice_debug(hw, ICE_DBG_SW,
5707 "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
5708 tmp_fltr.fwd_id.hw_vsi_id, status);
5713 if (fm_list->vsi_count == 1) {
5714 /* Remove the VSI list since it is no longer used */
5715 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
5717 ice_debug(hw, ICE_DBG_SW,
5718 "Failed to remove VSI list %d, error %d\n",
5719 vsi_list_id, status);
5723 LIST_DEL(&vsi_list_info->list_entry);
5724 ice_free(hw, vsi_list_info);
5725 fm_list->vsi_list_info = NULL;
5732 * ice_rem_adv_rule - removes existing advanced switch rule
5733 * @hw: pointer to the hardware structure
5734 * @lkups: information on the words that needs to be looked up. All words
5735 * together makes one recipe
5736 * @lkups_cnt: num of entries in the lkups array
5737 * @rinfo: Its the pointer to the rule information for the rule
5739 * This function can be used to remove 1 rule at a time. The lkups is
5740 * used to describe all the words that forms the "lookup" portion of the
5741 * rule. These words can span multiple protocols. Callers to this function
5742 * need to pass in a list of protocol headers with lookup information along
5743 * and mask that determines which words are valid from the given protocol
5744 * header. rinfo describes other information related to this rule such as
5745 * forwarding IDs, priority of this rule, etc.
5748 ice_rem_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5749 u16 lkups_cnt, struct ice_adv_rule_info *rinfo)
5751 struct ice_adv_fltr_mgmt_list_entry *list_elem;
5752 struct ice_prot_lkup_ext lkup_exts;
5753 u16 rule_buf_sz, pkt_len, i, rid;
5754 enum ice_status status = ICE_SUCCESS;
5755 bool remove_rule = false;
5756 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
5757 const u8 *pkt = NULL;
5760 ice_memset(&lkup_exts, 0, sizeof(lkup_exts), ICE_NONDMA_MEM);
5761 for (i = 0; i < lkups_cnt; i++) {
5764 if (lkups[i].type >= ICE_PROTOCOL_LAST)
5767 count = ice_fill_valid_words(&lkups[i], &lkup_exts);
5771 rid = ice_find_recp(hw, &lkup_exts);
5772 /* If did not find a recipe that match the existing criteria */
5773 if (rid == ICE_MAX_NUM_RECIPES)
5774 return ICE_ERR_PARAM;
5776 rule_lock = &hw->switch_info->recp_list[rid].filt_rule_lock;
5777 list_elem = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo);
5778 /* the rule is already removed */
5781 ice_acquire_lock(rule_lock);
5782 if (list_elem->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST) {
5784 } else if (list_elem->vsi_count > 1) {
5785 list_elem->vsi_list_info->ref_cnt--;
5786 remove_rule = false;
5787 vsi_handle = rinfo->sw_act.vsi_handle;
5788 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem);
5790 vsi_handle = rinfo->sw_act.vsi_handle;
5791 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem);
5793 ice_release_lock(rule_lock);
5796 if (list_elem->vsi_count == 0)
5799 ice_release_lock(rule_lock);
5801 struct ice_aqc_sw_rules_elem *s_rule;
5803 ice_find_dummy_packet(lkups, lkups_cnt, rinfo->tun_type, &pkt,
5805 rule_buf_sz = ICE_SW_RULE_RX_TX_NO_HDR_SIZE + pkt_len;
5807 (struct ice_aqc_sw_rules_elem *)ice_malloc(hw,
5810 return ICE_ERR_NO_MEMORY;
5811 s_rule->pdata.lkup_tx_rx.act = 0;
5812 s_rule->pdata.lkup_tx_rx.index =
5813 CPU_TO_LE16(list_elem->rule_info.fltr_rule_id);
5814 s_rule->pdata.lkup_tx_rx.hdr_len = 0;
5815 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule,
5817 ice_aqc_opc_remove_sw_rules, NULL);
5818 if (status == ICE_SUCCESS) {
5819 ice_acquire_lock(rule_lock);
5820 LIST_DEL(&list_elem->list_entry);
5821 ice_free(hw, list_elem->lkups);
5822 ice_free(hw, list_elem);
5823 ice_release_lock(rule_lock);
5825 ice_free(hw, s_rule);
5831 * ice_rem_adv_rule_by_id - removes existing advanced switch rule by ID
5832 * @hw: pointer to the hardware structure
5833 * @remove_entry: data struct which holds rule_id, VSI handle and recipe ID
5835 * This function is used to remove 1 rule at a time. The removal is based on
5836 * the remove_entry parameter. This function will remove rule for a given
5837 * vsi_handle with a given rule_id which is passed as parameter in remove_entry
5840 ice_rem_adv_rule_by_id(struct ice_hw *hw,
5841 struct ice_rule_query_data *remove_entry)
5843 struct ice_adv_fltr_mgmt_list_entry *list_itr;
5844 struct LIST_HEAD_TYPE *list_head;
5845 struct ice_adv_rule_info rinfo;
5846 struct ice_switch_info *sw;
5848 sw = hw->switch_info;
5849 if (!sw->recp_list[remove_entry->rid].recp_created)
5850 return ICE_ERR_PARAM;
5851 list_head = &sw->recp_list[remove_entry->rid].filt_rules;
5852 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_adv_fltr_mgmt_list_entry,
5854 if (list_itr->rule_info.fltr_rule_id ==
5855 remove_entry->rule_id) {
5856 rinfo = list_itr->rule_info;
5857 rinfo.sw_act.vsi_handle = remove_entry->vsi_handle;
5858 return ice_rem_adv_rule(hw, list_itr->lkups,
5859 list_itr->lkups_cnt, &rinfo);
5862 return ICE_ERR_PARAM;
5866 * ice_rem_adv_for_vsi - removes existing advanced switch rules for a
5868 * @hw: pointer to the hardware structure
5869 * @vsi_handle: VSI handle for which we are supposed to remove all the rules.
5871 * This function is used to remove all the rules for a given VSI and as soon
5872 * as removing a rule fails, it will return immediately with the error code,
5873 * else it will return ICE_SUCCESS
5876 ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle)
5878 struct ice_adv_fltr_mgmt_list_entry *list_itr;
5879 struct ice_vsi_list_map_info *map_info;
5880 struct LIST_HEAD_TYPE *list_head;
5881 struct ice_adv_rule_info rinfo;
5882 struct ice_switch_info *sw;
5883 enum ice_status status;
5884 u16 vsi_list_id = 0;
5887 sw = hw->switch_info;
5888 for (rid = 0; rid < ICE_MAX_NUM_RECIPES; rid++) {
5889 if (!sw->recp_list[rid].recp_created)
5891 if (!sw->recp_list[rid].adv_rule)
5893 list_head = &sw->recp_list[rid].filt_rules;
5895 LIST_FOR_EACH_ENTRY(list_itr, list_head,
5896 ice_adv_fltr_mgmt_list_entry, list_entry) {
5897 map_info = ice_find_vsi_list_entry(hw, rid, vsi_handle,
5901 rinfo = list_itr->rule_info;
5902 rinfo.sw_act.vsi_handle = vsi_handle;
5903 status = ice_rem_adv_rule(hw, list_itr->lkups,
5904 list_itr->lkups_cnt, &rinfo);
5914 * ice_replay_fltr - Replay all the filters stored by a specific list head
5915 * @hw: pointer to the hardware structure
5916 * @list_head: list for which filters needs to be replayed
5917 * @recp_id: Recipe ID for which rules need to be replayed
5919 static enum ice_status
5920 ice_replay_fltr(struct ice_hw *hw, u8 recp_id, struct LIST_HEAD_TYPE *list_head)
5922 struct ice_fltr_mgmt_list_entry *itr;
5923 struct LIST_HEAD_TYPE l_head;
5924 enum ice_status status = ICE_SUCCESS;
5926 if (LIST_EMPTY(list_head))
5929 /* Move entries from the given list_head to a temporary l_head so that
5930 * they can be replayed. Otherwise when trying to re-add the same
5931 * filter, the function will return already exists
5933 LIST_REPLACE_INIT(list_head, &l_head);
5935 /* Mark the given list_head empty by reinitializing it so filters
5936 * could be added again by *handler
5938 LIST_FOR_EACH_ENTRY(itr, &l_head, ice_fltr_mgmt_list_entry,
5940 struct ice_fltr_list_entry f_entry;
5942 f_entry.fltr_info = itr->fltr_info;
5943 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN) {
5944 status = ice_add_rule_internal(hw, recp_id, &f_entry);
5945 if (status != ICE_SUCCESS)
5950 /* Add a filter per VSI separately */
5955 ice_find_first_bit(itr->vsi_list_info->vsi_map,
5957 if (!ice_is_vsi_valid(hw, vsi_handle))
5960 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
5961 f_entry.fltr_info.vsi_handle = vsi_handle;
5962 f_entry.fltr_info.fwd_id.hw_vsi_id =
5963 ice_get_hw_vsi_num(hw, vsi_handle);
5964 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
5965 if (recp_id == ICE_SW_LKUP_VLAN)
5966 status = ice_add_vlan_internal(hw, &f_entry);
5968 status = ice_add_rule_internal(hw, recp_id,
5970 if (status != ICE_SUCCESS)
5975 /* Clear the filter management list */
5976 ice_rem_sw_rule_info(hw, &l_head);
5981 * ice_replay_all_fltr - replay all filters stored in bookkeeping lists
5982 * @hw: pointer to the hardware structure
5984 * NOTE: This function does not clean up partially added filters on error.
5985 * It is up to caller of the function to issue a reset or fail early.
5987 enum ice_status ice_replay_all_fltr(struct ice_hw *hw)
5989 struct ice_switch_info *sw = hw->switch_info;
5990 enum ice_status status = ICE_SUCCESS;
5993 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
5994 struct LIST_HEAD_TYPE *head = &sw->recp_list[i].filt_rules;
5996 status = ice_replay_fltr(hw, i, head);
5997 if (status != ICE_SUCCESS)
6004 * ice_replay_vsi_fltr - Replay filters for requested VSI
6005 * @hw: pointer to the hardware structure
6006 * @vsi_handle: driver VSI handle
6007 * @recp_id: Recipe ID for which rules need to be replayed
6008 * @list_head: list for which filters need to be replayed
6010 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle.
6011 * It is required to pass valid VSI handle.
6013 static enum ice_status
6014 ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id,
6015 struct LIST_HEAD_TYPE *list_head)
6017 struct ice_fltr_mgmt_list_entry *itr;
6018 enum ice_status status = ICE_SUCCESS;
6021 if (LIST_EMPTY(list_head))
6023 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
6025 LIST_FOR_EACH_ENTRY(itr, list_head, ice_fltr_mgmt_list_entry,
6027 struct ice_fltr_list_entry f_entry;
6029 f_entry.fltr_info = itr->fltr_info;
6030 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN &&
6031 itr->fltr_info.vsi_handle == vsi_handle) {
6032 /* update the src in case it is VSI num */
6033 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
6034 f_entry.fltr_info.src = hw_vsi_id;
6035 status = ice_add_rule_internal(hw, recp_id, &f_entry);
6036 if (status != ICE_SUCCESS)
6040 if (!itr->vsi_list_info ||
6041 !ice_is_bit_set(itr->vsi_list_info->vsi_map, vsi_handle))
6043 /* Clearing it so that the logic can add it back */
6044 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
6045 f_entry.fltr_info.vsi_handle = vsi_handle;
6046 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
6047 /* update the src in case it is VSI num */
6048 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
6049 f_entry.fltr_info.src = hw_vsi_id;
6050 if (recp_id == ICE_SW_LKUP_VLAN)
6051 status = ice_add_vlan_internal(hw, &f_entry);
6053 status = ice_add_rule_internal(hw, recp_id, &f_entry);
6054 if (status != ICE_SUCCESS)
6062 * ice_replay_vsi_adv_rule - Replay advanced rule for requested VSI
6063 * @hw: pointer to the hardware structure
6064 * @vsi_handle: driver VSI handle
6065 * @list_head: list for which filters need to be replayed
6067 * Replay the advanced rule for the given VSI.
6069 static enum ice_status
6070 ice_replay_vsi_adv_rule(struct ice_hw *hw, u16 vsi_handle,
6071 struct LIST_HEAD_TYPE *list_head)
6073 struct ice_rule_query_data added_entry = { 0 };
6074 struct ice_adv_fltr_mgmt_list_entry *adv_fltr;
6075 enum ice_status status = ICE_SUCCESS;
6077 if (LIST_EMPTY(list_head))
6079 LIST_FOR_EACH_ENTRY(adv_fltr, list_head, ice_adv_fltr_mgmt_list_entry,
6081 struct ice_adv_rule_info *rinfo = &adv_fltr->rule_info;
6082 u16 lk_cnt = adv_fltr->lkups_cnt;
6084 if (vsi_handle != rinfo->sw_act.vsi_handle)
6086 status = ice_add_adv_rule(hw, adv_fltr->lkups, lk_cnt, rinfo,
6095 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists
6096 * @hw: pointer to the hardware structure
6097 * @vsi_handle: driver VSI handle
6099 * Replays filters for requested VSI via vsi_handle.
6101 enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle)
6103 struct ice_switch_info *sw = hw->switch_info;
6104 enum ice_status status;
6107 /* Update the recipes that were created */
6108 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
6109 struct LIST_HEAD_TYPE *head;
6111 head = &sw->recp_list[i].filt_replay_rules;
6112 if (!sw->recp_list[i].adv_rule)
6113 status = ice_replay_vsi_fltr(hw, vsi_handle, i, head);
6115 status = ice_replay_vsi_adv_rule(hw, vsi_handle, head);
6116 if (status != ICE_SUCCESS)
6124 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules
6125 * @hw: pointer to the HW struct
6127 * Deletes the filter replay rules.
6129 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw)
6131 struct ice_switch_info *sw = hw->switch_info;
6137 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
6138 if (!LIST_EMPTY(&sw->recp_list[i].filt_replay_rules)) {
6139 struct LIST_HEAD_TYPE *l_head;
6141 l_head = &sw->recp_list[i].filt_replay_rules;
6142 if (!sw->recp_list[i].adv_rule)
6143 ice_rem_sw_rule_info(hw, l_head);
6145 ice_rem_adv_rule_info(hw, l_head);