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 if (!LIST_EMPTY(&vsi->rss_list_head))
691 ice_rem_all_rss_vsi_ctx(hw, vsi_handle);
692 ice_clear_vsi_q_ctx(hw, vsi_handle);
693 ice_destroy_lock(&vsi->rss_locks);
695 hw->vsi_ctx[vsi_handle] = NULL;
700 * ice_clear_all_vsi_ctx - clear all the VSI context entries
701 * @hw: pointer to the HW struct
703 void ice_clear_all_vsi_ctx(struct ice_hw *hw)
707 for (i = 0; i < ICE_MAX_VSI; i++)
708 ice_clear_vsi_ctx(hw, i);
712 * ice_add_vsi - add VSI context to the hardware and VSI handle list
713 * @hw: pointer to the HW struct
714 * @vsi_handle: unique VSI handle provided by drivers
715 * @vsi_ctx: pointer to a VSI context struct
716 * @cd: pointer to command details structure or NULL
718 * Add a VSI context to the hardware also add it into the VSI handle list.
719 * If this function gets called after reset for existing VSIs then update
720 * with the new HW VSI number in the corresponding VSI handle list entry.
723 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
724 struct ice_sq_cd *cd)
726 struct ice_vsi_ctx *tmp_vsi_ctx;
727 enum ice_status status;
729 if (vsi_handle >= ICE_MAX_VSI)
730 return ICE_ERR_PARAM;
731 status = ice_aq_add_vsi(hw, vsi_ctx, cd);
734 tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle);
736 /* Create a new VSI context */
737 tmp_vsi_ctx = (struct ice_vsi_ctx *)
738 ice_malloc(hw, sizeof(*tmp_vsi_ctx));
740 ice_aq_free_vsi(hw, vsi_ctx, false, cd);
741 return ICE_ERR_NO_MEMORY;
743 *tmp_vsi_ctx = *vsi_ctx;
744 ice_init_lock(&tmp_vsi_ctx->rss_locks);
745 INIT_LIST_HEAD(&tmp_vsi_ctx->rss_list_head);
746 ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx);
748 /* update with new HW VSI num */
749 if (tmp_vsi_ctx->vsi_num != vsi_ctx->vsi_num)
750 tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num;
757 * ice_free_vsi- free VSI context from hardware and VSI handle list
758 * @hw: pointer to the HW struct
759 * @vsi_handle: unique VSI handle
760 * @vsi_ctx: pointer to a VSI context struct
761 * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
762 * @cd: pointer to command details structure or NULL
764 * Free VSI context info from hardware as well as from VSI handle list
767 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
768 bool keep_vsi_alloc, struct ice_sq_cd *cd)
770 enum ice_status status;
772 if (!ice_is_vsi_valid(hw, vsi_handle))
773 return ICE_ERR_PARAM;
774 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
775 status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd);
777 ice_clear_vsi_ctx(hw, vsi_handle);
783 * @hw: pointer to the HW struct
784 * @vsi_handle: unique VSI handle
785 * @vsi_ctx: pointer to a VSI context struct
786 * @cd: pointer to command details structure or NULL
788 * Update VSI context in the hardware
791 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
792 struct ice_sq_cd *cd)
794 if (!ice_is_vsi_valid(hw, vsi_handle))
795 return ICE_ERR_PARAM;
796 vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
797 return ice_aq_update_vsi(hw, vsi_ctx, cd);
801 * ice_aq_get_vsi_params
802 * @hw: pointer to the HW struct
803 * @vsi_ctx: pointer to a VSI context struct
804 * @cd: pointer to command details structure or NULL
806 * Get VSI context info from hardware (0x0212)
809 ice_aq_get_vsi_params(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
810 struct ice_sq_cd *cd)
812 struct ice_aqc_add_get_update_free_vsi *cmd;
813 struct ice_aqc_get_vsi_resp *resp;
814 struct ice_aq_desc desc;
815 enum ice_status status;
817 cmd = &desc.params.vsi_cmd;
818 resp = &desc.params.get_vsi_resp;
820 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_vsi_params);
822 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
824 status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
825 sizeof(vsi_ctx->info), cd);
827 vsi_ctx->vsi_num = LE16_TO_CPU(resp->vsi_num) &
829 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
830 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
837 * ice_aq_add_update_mir_rule - add/update a mirror rule
838 * @hw: pointer to the HW struct
839 * @rule_type: Rule Type
840 * @dest_vsi: VSI number to which packets will be mirrored
841 * @count: length of the list
842 * @mr_buf: buffer for list of mirrored VSI numbers
843 * @cd: pointer to command details structure or NULL
846 * Add/Update Mirror Rule (0x260).
849 ice_aq_add_update_mir_rule(struct ice_hw *hw, u16 rule_type, u16 dest_vsi,
850 u16 count, struct ice_mir_rule_buf *mr_buf,
851 struct ice_sq_cd *cd, u16 *rule_id)
853 struct ice_aqc_add_update_mir_rule *cmd;
854 struct ice_aq_desc desc;
855 enum ice_status status;
856 __le16 *mr_list = NULL;
860 case ICE_AQC_RULE_TYPE_VPORT_INGRESS:
861 case ICE_AQC_RULE_TYPE_VPORT_EGRESS:
862 /* Make sure count and mr_buf are set for these rule_types */
863 if (!(count && mr_buf))
864 return ICE_ERR_PARAM;
866 buf_size = count * sizeof(__le16);
867 mr_list = (__le16 *)ice_malloc(hw, buf_size);
869 return ICE_ERR_NO_MEMORY;
871 case ICE_AQC_RULE_TYPE_PPORT_INGRESS:
872 case ICE_AQC_RULE_TYPE_PPORT_EGRESS:
873 /* Make sure count and mr_buf are not set for these
877 return ICE_ERR_PARAM;
880 ice_debug(hw, ICE_DBG_SW,
881 "Error due to unsupported rule_type %u\n", rule_type);
882 return ICE_ERR_OUT_OF_RANGE;
885 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_update_mir_rule);
887 /* Pre-process 'mr_buf' items for add/update of virtual port
888 * ingress/egress mirroring (but not physical port ingress/egress
894 for (i = 0; i < count; i++) {
897 id = mr_buf[i].vsi_idx & ICE_AQC_RULE_MIRRORED_VSI_M;
899 /* Validate specified VSI number, make sure it is less
900 * than ICE_MAX_VSI, if not return with error.
902 if (id >= ICE_MAX_VSI) {
903 ice_debug(hw, ICE_DBG_SW,
904 "Error VSI index (%u) out-of-range\n",
906 ice_free(hw, mr_list);
907 return ICE_ERR_OUT_OF_RANGE;
910 /* add VSI to mirror rule */
913 CPU_TO_LE16(id | ICE_AQC_RULE_ACT_M);
914 else /* remove VSI from mirror rule */
915 mr_list[i] = CPU_TO_LE16(id);
919 cmd = &desc.params.add_update_rule;
920 if ((*rule_id) != ICE_INVAL_MIRROR_RULE_ID)
921 cmd->rule_id = CPU_TO_LE16(((*rule_id) & ICE_AQC_RULE_ID_M) |
922 ICE_AQC_RULE_ID_VALID_M);
923 cmd->rule_type = CPU_TO_LE16(rule_type & ICE_AQC_RULE_TYPE_M);
924 cmd->num_entries = CPU_TO_LE16(count);
925 cmd->dest = CPU_TO_LE16(dest_vsi);
927 status = ice_aq_send_cmd(hw, &desc, mr_list, buf_size, cd);
929 *rule_id = LE16_TO_CPU(cmd->rule_id) & ICE_AQC_RULE_ID_M;
931 ice_free(hw, mr_list);
937 * ice_aq_delete_mir_rule - delete a mirror rule
938 * @hw: pointer to the HW struct
939 * @rule_id: Mirror rule ID (to be deleted)
940 * @keep_allocd: if set, the VSI stays part of the PF allocated res,
941 * otherwise it is returned to the shared pool
942 * @cd: pointer to command details structure or NULL
944 * Delete Mirror Rule (0x261).
947 ice_aq_delete_mir_rule(struct ice_hw *hw, u16 rule_id, bool keep_allocd,
948 struct ice_sq_cd *cd)
950 struct ice_aqc_delete_mir_rule *cmd;
951 struct ice_aq_desc desc;
953 /* rule_id should be in the range 0...63 */
954 if (rule_id >= ICE_MAX_NUM_MIRROR_RULES)
955 return ICE_ERR_OUT_OF_RANGE;
957 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_del_mir_rule);
959 cmd = &desc.params.del_rule;
960 rule_id |= ICE_AQC_RULE_ID_VALID_M;
961 cmd->rule_id = CPU_TO_LE16(rule_id);
964 cmd->flags = CPU_TO_LE16(ICE_AQC_FLAG_KEEP_ALLOCD_M);
966 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
970 * ice_aq_alloc_free_vsi_list
971 * @hw: pointer to the HW struct
972 * @vsi_list_id: VSI list ID returned or used for lookup
973 * @lkup_type: switch rule filter lookup type
974 * @opc: switch rules population command type - pass in the command opcode
976 * allocates or free a VSI list resource
978 static enum ice_status
979 ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
980 enum ice_sw_lkup_type lkup_type,
981 enum ice_adminq_opc opc)
983 struct ice_aqc_alloc_free_res_elem *sw_buf;
984 struct ice_aqc_res_elem *vsi_ele;
985 enum ice_status status;
988 buf_len = sizeof(*sw_buf);
989 sw_buf = (struct ice_aqc_alloc_free_res_elem *)
990 ice_malloc(hw, buf_len);
992 return ICE_ERR_NO_MEMORY;
993 sw_buf->num_elems = CPU_TO_LE16(1);
995 if (lkup_type == ICE_SW_LKUP_MAC ||
996 lkup_type == ICE_SW_LKUP_MAC_VLAN ||
997 lkup_type == ICE_SW_LKUP_ETHERTYPE ||
998 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
999 lkup_type == ICE_SW_LKUP_PROMISC ||
1000 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1001 lkup_type == ICE_SW_LKUP_LAST) {
1002 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_REP);
1003 } else if (lkup_type == ICE_SW_LKUP_VLAN) {
1005 CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
1007 status = ICE_ERR_PARAM;
1008 goto ice_aq_alloc_free_vsi_list_exit;
1011 if (opc == ice_aqc_opc_free_res)
1012 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(*vsi_list_id);
1014 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL);
1016 goto ice_aq_alloc_free_vsi_list_exit;
1018 if (opc == ice_aqc_opc_alloc_res) {
1019 vsi_ele = &sw_buf->elem[0];
1020 *vsi_list_id = LE16_TO_CPU(vsi_ele->e.sw_resp);
1023 ice_aq_alloc_free_vsi_list_exit:
1024 ice_free(hw, sw_buf);
1029 * ice_aq_set_storm_ctrl - Sets storm control configuration
1030 * @hw: pointer to the HW struct
1031 * @bcast_thresh: represents the upper threshold for broadcast storm control
1032 * @mcast_thresh: represents the upper threshold for multicast storm control
1033 * @ctl_bitmask: storm control control knobs
1035 * Sets the storm control configuration (0x0280)
1038 ice_aq_set_storm_ctrl(struct ice_hw *hw, u32 bcast_thresh, u32 mcast_thresh,
1041 struct ice_aqc_storm_cfg *cmd;
1042 struct ice_aq_desc desc;
1044 cmd = &desc.params.storm_conf;
1046 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_storm_cfg);
1048 cmd->bcast_thresh_size = CPU_TO_LE32(bcast_thresh & ICE_AQ_THRESHOLD_M);
1049 cmd->mcast_thresh_size = CPU_TO_LE32(mcast_thresh & ICE_AQ_THRESHOLD_M);
1050 cmd->storm_ctrl_ctrl = CPU_TO_LE32(ctl_bitmask);
1052 return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
1056 * ice_aq_get_storm_ctrl - gets storm control configuration
1057 * @hw: pointer to the HW struct
1058 * @bcast_thresh: represents the upper threshold for broadcast storm control
1059 * @mcast_thresh: represents the upper threshold for multicast storm control
1060 * @ctl_bitmask: storm control control knobs
1062 * Gets the storm control configuration (0x0281)
1065 ice_aq_get_storm_ctrl(struct ice_hw *hw, u32 *bcast_thresh, u32 *mcast_thresh,
1068 enum ice_status status;
1069 struct ice_aq_desc desc;
1071 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_storm_cfg);
1073 status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
1075 struct ice_aqc_storm_cfg *resp = &desc.params.storm_conf;
1078 *bcast_thresh = LE32_TO_CPU(resp->bcast_thresh_size) &
1081 *mcast_thresh = LE32_TO_CPU(resp->mcast_thresh_size) &
1084 *ctl_bitmask = LE32_TO_CPU(resp->storm_ctrl_ctrl);
1091 * ice_aq_sw_rules - add/update/remove switch rules
1092 * @hw: pointer to the HW struct
1093 * @rule_list: pointer to switch rule population list
1094 * @rule_list_sz: total size of the rule list in bytes
1095 * @num_rules: number of switch rules in the rule_list
1096 * @opc: switch rules population command type - pass in the command opcode
1097 * @cd: pointer to command details structure or NULL
1099 * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware
1101 static enum ice_status
1102 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,
1103 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd)
1105 struct ice_aq_desc desc;
1107 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_sw_rules");
1109 if (opc != ice_aqc_opc_add_sw_rules &&
1110 opc != ice_aqc_opc_update_sw_rules &&
1111 opc != ice_aqc_opc_remove_sw_rules)
1112 return ICE_ERR_PARAM;
1114 ice_fill_dflt_direct_cmd_desc(&desc, opc);
1116 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1117 desc.params.sw_rules.num_rules_fltr_entry_index =
1118 CPU_TO_LE16(num_rules);
1119 return ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd);
1123 * ice_aq_add_recipe - add switch recipe
1124 * @hw: pointer to the HW struct
1125 * @s_recipe_list: pointer to switch rule population list
1126 * @num_recipes: number of switch recipes in the list
1127 * @cd: pointer to command details structure or NULL
1132 ice_aq_add_recipe(struct ice_hw *hw,
1133 struct ice_aqc_recipe_data_elem *s_recipe_list,
1134 u16 num_recipes, struct ice_sq_cd *cd)
1136 struct ice_aqc_add_get_recipe *cmd;
1137 struct ice_aq_desc desc;
1140 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_add_recipe");
1141 cmd = &desc.params.add_get_recipe;
1142 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_recipe);
1144 cmd->num_sub_recipes = CPU_TO_LE16(num_recipes);
1145 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1147 buf_size = num_recipes * sizeof(*s_recipe_list);
1149 return ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd);
1153 * ice_aq_get_recipe - get switch recipe
1154 * @hw: pointer to the HW struct
1155 * @s_recipe_list: pointer to switch rule population list
1156 * @num_recipes: pointer to the number of recipes (input and output)
1157 * @recipe_root: root recipe number of recipe(s) to retrieve
1158 * @cd: pointer to command details structure or NULL
1162 * On input, *num_recipes should equal the number of entries in s_recipe_list.
1163 * On output, *num_recipes will equal the number of entries returned in
1166 * The caller must supply enough space in s_recipe_list to hold all possible
1167 * recipes and *num_recipes must equal ICE_MAX_NUM_RECIPES.
1170 ice_aq_get_recipe(struct ice_hw *hw,
1171 struct ice_aqc_recipe_data_elem *s_recipe_list,
1172 u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd)
1174 struct ice_aqc_add_get_recipe *cmd;
1175 struct ice_aq_desc desc;
1176 enum ice_status status;
1179 if (*num_recipes != ICE_MAX_NUM_RECIPES)
1180 return ICE_ERR_PARAM;
1182 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_recipe");
1183 cmd = &desc.params.add_get_recipe;
1184 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe);
1186 cmd->return_index = CPU_TO_LE16(recipe_root);
1187 cmd->num_sub_recipes = 0;
1189 buf_size = *num_recipes * sizeof(*s_recipe_list);
1191 status = ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd);
1192 /* cppcheck-suppress constArgument */
1193 *num_recipes = LE16_TO_CPU(cmd->num_sub_recipes);
1199 * ice_aq_map_recipe_to_profile - Map recipe to packet profile
1200 * @hw: pointer to the HW struct
1201 * @profile_id: package profile ID to associate the recipe with
1202 * @r_bitmap: Recipe bitmap filled in and need to be returned as response
1203 * @cd: pointer to command details structure or NULL
1204 * Recipe to profile association (0x0291)
1207 ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
1208 struct ice_sq_cd *cd)
1210 struct ice_aqc_recipe_to_profile *cmd;
1211 struct ice_aq_desc desc;
1213 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_assoc_recipe_to_prof");
1214 cmd = &desc.params.recipe_to_profile;
1215 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_recipe_to_profile);
1216 cmd->profile_id = CPU_TO_LE16(profile_id);
1217 /* Set the recipe ID bit in the bitmask to let the device know which
1218 * profile we are associating the recipe to
1220 ice_memcpy(cmd->recipe_assoc, r_bitmap, sizeof(cmd->recipe_assoc),
1221 ICE_NONDMA_TO_NONDMA);
1223 return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1227 * ice_aq_get_recipe_to_profile - Map recipe to packet profile
1228 * @hw: pointer to the HW struct
1229 * @profile_id: package profile ID to associate the recipe with
1230 * @r_bitmap: Recipe bitmap filled in and need to be returned as response
1231 * @cd: pointer to command details structure or NULL
1232 * Associate profile ID with given recipe (0x0293)
1235 ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
1236 struct ice_sq_cd *cd)
1238 struct ice_aqc_recipe_to_profile *cmd;
1239 struct ice_aq_desc desc;
1240 enum ice_status status;
1242 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_recipe_to_prof");
1243 cmd = &desc.params.recipe_to_profile;
1244 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe_to_profile);
1245 cmd->profile_id = CPU_TO_LE16(profile_id);
1247 status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1249 ice_memcpy(r_bitmap, cmd->recipe_assoc,
1250 sizeof(cmd->recipe_assoc), ICE_NONDMA_TO_NONDMA);
1256 * ice_alloc_recipe - add recipe resource
1257 * @hw: pointer to the hardware structure
1258 * @rid: recipe ID returned as response to AQ call
1260 enum ice_status ice_alloc_recipe(struct ice_hw *hw, u16 *rid)
1262 struct ice_aqc_alloc_free_res_elem *sw_buf;
1263 enum ice_status status;
1266 buf_len = sizeof(*sw_buf);
1267 sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
1269 return ICE_ERR_NO_MEMORY;
1271 sw_buf->num_elems = CPU_TO_LE16(1);
1272 sw_buf->res_type = CPU_TO_LE16((ICE_AQC_RES_TYPE_RECIPE <<
1273 ICE_AQC_RES_TYPE_S) |
1274 ICE_AQC_RES_TYPE_FLAG_SHARED);
1275 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
1276 ice_aqc_opc_alloc_res, NULL);
1278 *rid = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);
1279 ice_free(hw, sw_buf);
1284 /* ice_init_port_info - Initialize port_info with switch configuration data
1285 * @pi: pointer to port_info
1286 * @vsi_port_num: VSI number or port number
1287 * @type: Type of switch element (port or VSI)
1288 * @swid: switch ID of the switch the element is attached to
1289 * @pf_vf_num: PF or VF number
1290 * @is_vf: true if the element is a VF, false otherwise
1293 ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type,
1294 u16 swid, u16 pf_vf_num, bool is_vf)
1297 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
1298 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK);
1300 pi->pf_vf_num = pf_vf_num;
1302 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL;
1303 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL;
1306 ice_debug(pi->hw, ICE_DBG_SW,
1307 "incorrect VSI/port type received\n");
1312 /* ice_get_initial_sw_cfg - Get initial port and default VSI data
1313 * @hw: pointer to the hardware structure
1315 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw)
1317 struct ice_aqc_get_sw_cfg_resp *rbuf;
1318 enum ice_status status;
1319 u16 num_total_ports;
1325 num_total_ports = 1;
1327 rbuf = (struct ice_aqc_get_sw_cfg_resp *)
1328 ice_malloc(hw, ICE_SW_CFG_MAX_BUF_LEN);
1331 return ICE_ERR_NO_MEMORY;
1333 /* Multiple calls to ice_aq_get_sw_cfg may be required
1334 * to get all the switch configuration information. The need
1335 * for additional calls is indicated by ice_aq_get_sw_cfg
1336 * writing a non-zero value in req_desc
1339 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN,
1340 &req_desc, &num_elems, NULL);
1345 for (i = 0; i < num_elems; i++) {
1346 struct ice_aqc_get_sw_cfg_resp_elem *ele;
1347 u16 pf_vf_num, swid, vsi_port_num;
1351 ele = rbuf[i].elements;
1352 vsi_port_num = LE16_TO_CPU(ele->vsi_port_num) &
1353 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M;
1355 pf_vf_num = LE16_TO_CPU(ele->pf_vf_num) &
1356 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M;
1358 swid = LE16_TO_CPU(ele->swid);
1360 if (LE16_TO_CPU(ele->pf_vf_num) &
1361 ICE_AQC_GET_SW_CONF_RESP_IS_VF)
1364 type = LE16_TO_CPU(ele->vsi_port_num) >>
1365 ICE_AQC_GET_SW_CONF_RESP_TYPE_S;
1368 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
1369 case ICE_AQC_GET_SW_CONF_RESP_VIRT_PORT:
1370 if (j == num_total_ports) {
1371 ice_debug(hw, ICE_DBG_SW,
1372 "more ports than expected\n");
1373 status = ICE_ERR_CFG;
1376 ice_init_port_info(hw->port_info,
1377 vsi_port_num, type, swid,
1385 } while (req_desc && !status);
1389 ice_free(hw, (void *)rbuf);
1395 * ice_fill_sw_info - Helper function to populate lb_en and lan_en
1396 * @hw: pointer to the hardware structure
1397 * @fi: filter info structure to fill/update
1399 * This helper function populates the lb_en and lan_en elements of the provided
1400 * ice_fltr_info struct using the switch's type and characteristics of the
1401 * switch rule being configured.
1403 static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)
1407 if ((fi->flag & ICE_FLTR_TX) &&
1408 (fi->fltr_act == ICE_FWD_TO_VSI ||
1409 fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
1410 fi->fltr_act == ICE_FWD_TO_Q ||
1411 fi->fltr_act == ICE_FWD_TO_QGRP)) {
1412 /* Setting LB for prune actions will result in replicated
1413 * packets to the internal switch that will be dropped.
1415 if (fi->lkup_type != ICE_SW_LKUP_VLAN)
1418 /* Set lan_en to TRUE if
1419 * 1. The switch is a VEB AND
1421 * 2.1 The lookup is a directional lookup like ethertype,
1422 * promiscuous, ethertype-MAC, promiscuous-VLAN
1423 * and default-port OR
1424 * 2.2 The lookup is VLAN, OR
1425 * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR
1426 * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC.
1430 * The switch is a VEPA.
1432 * In all other cases, the LAN enable has to be set to false.
1435 if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE ||
1436 fi->lkup_type == ICE_SW_LKUP_PROMISC ||
1437 fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
1438 fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1439 fi->lkup_type == ICE_SW_LKUP_DFLT ||
1440 fi->lkup_type == ICE_SW_LKUP_VLAN ||
1441 (fi->lkup_type == ICE_SW_LKUP_MAC &&
1442 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)) ||
1443 (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN &&
1444 !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)))
1453 * ice_ilog2 - Calculates integer log base 2 of a number
1454 * @n: number on which to perform operation
1456 static int ice_ilog2(u64 n)
1460 for (i = 63; i >= 0; i--)
1461 if (((u64)1 << i) & n)
1469 * ice_fill_sw_rule - Helper function to fill switch rule structure
1470 * @hw: pointer to the hardware structure
1471 * @f_info: entry containing packet forwarding information
1472 * @s_rule: switch rule structure to be filled in based on mac_entry
1473 * @opc: switch rules population command type - pass in the command opcode
1476 ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info,
1477 struct ice_aqc_sw_rules_elem *s_rule, enum ice_adminq_opc opc)
1479 u16 vlan_id = ICE_MAX_VLAN_ID + 1;
1488 if (opc == ice_aqc_opc_remove_sw_rules) {
1489 s_rule->pdata.lkup_tx_rx.act = 0;
1490 s_rule->pdata.lkup_tx_rx.index =
1491 CPU_TO_LE16(f_info->fltr_rule_id);
1492 s_rule->pdata.lkup_tx_rx.hdr_len = 0;
1496 eth_hdr_sz = sizeof(dummy_eth_header);
1497 eth_hdr = s_rule->pdata.lkup_tx_rx.hdr;
1499 /* initialize the ether header with a dummy header */
1500 ice_memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz, ICE_NONDMA_TO_NONDMA);
1501 ice_fill_sw_info(hw, f_info);
1503 switch (f_info->fltr_act) {
1504 case ICE_FWD_TO_VSI:
1505 act |= (f_info->fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) &
1506 ICE_SINGLE_ACT_VSI_ID_M;
1507 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
1508 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
1509 ICE_SINGLE_ACT_VALID_BIT;
1511 case ICE_FWD_TO_VSI_LIST:
1512 act |= ICE_SINGLE_ACT_VSI_LIST;
1513 act |= (f_info->fwd_id.vsi_list_id <<
1514 ICE_SINGLE_ACT_VSI_LIST_ID_S) &
1515 ICE_SINGLE_ACT_VSI_LIST_ID_M;
1516 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
1517 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
1518 ICE_SINGLE_ACT_VALID_BIT;
1521 act |= ICE_SINGLE_ACT_TO_Q;
1522 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
1523 ICE_SINGLE_ACT_Q_INDEX_M;
1525 case ICE_DROP_PACKET:
1526 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
1527 ICE_SINGLE_ACT_VALID_BIT;
1529 case ICE_FWD_TO_QGRP:
1530 q_rgn = f_info->qgrp_size > 0 ?
1531 (u8)ice_ilog2(f_info->qgrp_size) : 0;
1532 act |= ICE_SINGLE_ACT_TO_Q;
1533 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
1534 ICE_SINGLE_ACT_Q_INDEX_M;
1535 act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) &
1536 ICE_SINGLE_ACT_Q_REGION_M;
1543 act |= ICE_SINGLE_ACT_LB_ENABLE;
1545 act |= ICE_SINGLE_ACT_LAN_ENABLE;
1547 switch (f_info->lkup_type) {
1548 case ICE_SW_LKUP_MAC:
1549 daddr = f_info->l_data.mac.mac_addr;
1551 case ICE_SW_LKUP_VLAN:
1552 vlan_id = f_info->l_data.vlan.vlan_id;
1553 if (f_info->fltr_act == ICE_FWD_TO_VSI ||
1554 f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
1555 act |= ICE_SINGLE_ACT_PRUNE;
1556 act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS;
1559 case ICE_SW_LKUP_ETHERTYPE_MAC:
1560 daddr = f_info->l_data.ethertype_mac.mac_addr;
1562 case ICE_SW_LKUP_ETHERTYPE:
1563 off = (__be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
1564 *off = CPU_TO_BE16(f_info->l_data.ethertype_mac.ethertype);
1566 case ICE_SW_LKUP_MAC_VLAN:
1567 daddr = f_info->l_data.mac_vlan.mac_addr;
1568 vlan_id = f_info->l_data.mac_vlan.vlan_id;
1570 case ICE_SW_LKUP_PROMISC_VLAN:
1571 vlan_id = f_info->l_data.mac_vlan.vlan_id;
1573 case ICE_SW_LKUP_PROMISC:
1574 daddr = f_info->l_data.mac_vlan.mac_addr;
1580 s_rule->type = (f_info->flag & ICE_FLTR_RX) ?
1581 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX) :
1582 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX);
1584 /* Recipe set depending on lookup type */
1585 s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(f_info->lkup_type);
1586 s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(f_info->src);
1587 s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
1590 ice_memcpy(eth_hdr + ICE_ETH_DA_OFFSET, daddr, ETH_ALEN,
1591 ICE_NONDMA_TO_NONDMA);
1593 if (!(vlan_id > ICE_MAX_VLAN_ID)) {
1594 off = (__be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET);
1595 *off = CPU_TO_BE16(vlan_id);
1598 /* Create the switch rule with the final dummy Ethernet header */
1599 if (opc != ice_aqc_opc_update_sw_rules)
1600 s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(eth_hdr_sz);
1604 * ice_add_marker_act
1605 * @hw: pointer to the hardware structure
1606 * @m_ent: the management entry for which sw marker needs to be added
1607 * @sw_marker: sw marker to tag the Rx descriptor with
1608 * @l_id: large action resource ID
1610 * Create a large action to hold software marker and update the switch rule
1611 * entry pointed by m_ent with newly created large action
1613 static enum ice_status
1614 ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
1615 u16 sw_marker, u16 l_id)
1617 struct ice_aqc_sw_rules_elem *lg_act, *rx_tx;
1618 /* For software marker we need 3 large actions
1619 * 1. FWD action: FWD TO VSI or VSI LIST
1620 * 2. GENERIC VALUE action to hold the profile ID
1621 * 3. GENERIC VALUE action to hold the software marker ID
1623 const u16 num_lg_acts = 3;
1624 enum ice_status status;
1630 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
1631 return ICE_ERR_PARAM;
1633 /* Create two back-to-back switch rules and submit them to the HW using
1634 * one memory buffer:
1638 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_lg_acts);
1639 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
1640 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rules_size);
1642 return ICE_ERR_NO_MEMORY;
1644 rx_tx = (struct ice_aqc_sw_rules_elem *)((u8 *)lg_act + lg_act_size);
1646 /* Fill in the first switch rule i.e. large action */
1647 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
1648 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id);
1649 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_lg_acts);
1651 /* First action VSI forwarding or VSI list forwarding depending on how
1654 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
1655 m_ent->fltr_info.fwd_id.hw_vsi_id;
1657 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
1658 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) &
1659 ICE_LG_ACT_VSI_LIST_ID_M;
1660 if (m_ent->vsi_count > 1)
1661 act |= ICE_LG_ACT_VSI_LIST;
1662 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act);
1664 /* Second action descriptor type */
1665 act = ICE_LG_ACT_GENERIC;
1667 act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M;
1668 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act);
1670 act = (ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX <<
1671 ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_OFFSET_M;
1673 /* Third action Marker value */
1674 act |= ICE_LG_ACT_GENERIC;
1675 act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) &
1676 ICE_LG_ACT_GENERIC_VALUE_M;
1678 lg_act->pdata.lg_act.act[2] = CPU_TO_LE32(act);
1680 /* call the fill switch rule to fill the lookup Tx Rx structure */
1681 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
1682 ice_aqc_opc_update_sw_rules);
1684 /* Update the action to point to the large action ID */
1685 rx_tx->pdata.lkup_tx_rx.act =
1686 CPU_TO_LE32(ICE_SINGLE_ACT_PTR |
1687 ((l_id << ICE_SINGLE_ACT_PTR_VAL_S) &
1688 ICE_SINGLE_ACT_PTR_VAL_M));
1690 /* Use the filter rule ID of the previously created rule with single
1691 * act. Once the update happens, hardware will treat this as large
1694 rx_tx->pdata.lkup_tx_rx.index =
1695 CPU_TO_LE16(m_ent->fltr_info.fltr_rule_id);
1697 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
1698 ice_aqc_opc_update_sw_rules, NULL);
1700 m_ent->lg_act_idx = l_id;
1701 m_ent->sw_marker_id = sw_marker;
1704 ice_free(hw, lg_act);
1709 * ice_add_counter_act - add/update filter rule with counter action
1710 * @hw: pointer to the hardware structure
1711 * @m_ent: the management entry for which counter needs to be added
1712 * @counter_id: VLAN counter ID returned as part of allocate resource
1713 * @l_id: large action resource ID
1715 static enum ice_status
1716 ice_add_counter_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
1717 u16 counter_id, u16 l_id)
1719 struct ice_aqc_sw_rules_elem *lg_act;
1720 struct ice_aqc_sw_rules_elem *rx_tx;
1721 enum ice_status status;
1722 /* 2 actions will be added while adding a large action counter */
1723 const int num_acts = 2;
1730 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
1731 return ICE_ERR_PARAM;
1733 /* Create two back-to-back switch rules and submit them to the HW using
1734 * one memory buffer:
1738 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_acts);
1739 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
1740 lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw,
1743 return ICE_ERR_NO_MEMORY;
1745 rx_tx = (struct ice_aqc_sw_rules_elem *)
1746 ((u8 *)lg_act + lg_act_size);
1748 /* Fill in the first switch rule i.e. large action */
1749 lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
1750 lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id);
1751 lg_act->pdata.lg_act.size = CPU_TO_LE16(num_acts);
1753 /* First action VSI forwarding or VSI list forwarding depending on how
1756 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
1757 m_ent->fltr_info.fwd_id.hw_vsi_id;
1759 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
1760 act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) &
1761 ICE_LG_ACT_VSI_LIST_ID_M;
1762 if (m_ent->vsi_count > 1)
1763 act |= ICE_LG_ACT_VSI_LIST;
1764 lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act);
1766 /* Second action counter ID */
1767 act = ICE_LG_ACT_STAT_COUNT;
1768 act |= (counter_id << ICE_LG_ACT_STAT_COUNT_S) &
1769 ICE_LG_ACT_STAT_COUNT_M;
1770 lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act);
1772 /* call the fill switch rule to fill the lookup Tx Rx structure */
1773 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
1774 ice_aqc_opc_update_sw_rules);
1776 act = ICE_SINGLE_ACT_PTR;
1777 act |= (l_id << ICE_SINGLE_ACT_PTR_VAL_S) & ICE_SINGLE_ACT_PTR_VAL_M;
1778 rx_tx->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
1780 /* Use the filter rule ID of the previously created rule with single
1781 * act. Once the update happens, hardware will treat this as large
1784 f_rule_id = m_ent->fltr_info.fltr_rule_id;
1785 rx_tx->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_rule_id);
1787 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
1788 ice_aqc_opc_update_sw_rules, NULL);
1790 m_ent->lg_act_idx = l_id;
1791 m_ent->counter_index = counter_id;
1794 ice_free(hw, lg_act);
1799 * ice_create_vsi_list_map
1800 * @hw: pointer to the hardware structure
1801 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping
1802 * @num_vsi: number of VSI handles in the array
1803 * @vsi_list_id: VSI list ID generated as part of allocate resource
1805 * Helper function to create a new entry of VSI list ID to VSI mapping
1806 * using the given VSI list ID
1808 static struct ice_vsi_list_map_info *
1809 ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1812 struct ice_switch_info *sw = hw->switch_info;
1813 struct ice_vsi_list_map_info *v_map;
1816 v_map = (struct ice_vsi_list_map_info *)ice_calloc(hw, 1,
1821 v_map->vsi_list_id = vsi_list_id;
1823 for (i = 0; i < num_vsi; i++)
1824 ice_set_bit(vsi_handle_arr[i], v_map->vsi_map);
1826 LIST_ADD(&v_map->list_entry, &sw->vsi_list_map_head);
1831 * ice_update_vsi_list_rule
1832 * @hw: pointer to the hardware structure
1833 * @vsi_handle_arr: array of VSI handles to form a VSI list
1834 * @num_vsi: number of VSI handles in the array
1835 * @vsi_list_id: VSI list ID generated as part of allocate resource
1836 * @remove: Boolean value to indicate if this is a remove action
1837 * @opc: switch rules population command type - pass in the command opcode
1838 * @lkup_type: lookup type of the filter
1840 * Call AQ command to add a new switch rule or update existing switch rule
1841 * using the given VSI list ID
1843 static enum ice_status
1844 ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1845 u16 vsi_list_id, bool remove, enum ice_adminq_opc opc,
1846 enum ice_sw_lkup_type lkup_type)
1848 struct ice_aqc_sw_rules_elem *s_rule;
1849 enum ice_status status;
1855 return ICE_ERR_PARAM;
1857 if (lkup_type == ICE_SW_LKUP_MAC ||
1858 lkup_type == ICE_SW_LKUP_MAC_VLAN ||
1859 lkup_type == ICE_SW_LKUP_ETHERTYPE ||
1860 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
1861 lkup_type == ICE_SW_LKUP_PROMISC ||
1862 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1863 lkup_type == ICE_SW_LKUP_LAST)
1864 type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR :
1865 ICE_AQC_SW_RULES_T_VSI_LIST_SET;
1866 else if (lkup_type == ICE_SW_LKUP_VLAN)
1867 type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR :
1868 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET;
1870 return ICE_ERR_PARAM;
1872 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(num_vsi);
1873 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
1875 return ICE_ERR_NO_MEMORY;
1876 for (i = 0; i < num_vsi; i++) {
1877 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) {
1878 status = ICE_ERR_PARAM;
1881 /* AQ call requires hw_vsi_id(s) */
1882 s_rule->pdata.vsi_list.vsi[i] =
1883 CPU_TO_LE16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i]));
1886 s_rule->type = CPU_TO_LE16(type);
1887 s_rule->pdata.vsi_list.number_vsi = CPU_TO_LE16(num_vsi);
1888 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id);
1890 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL);
1893 ice_free(hw, s_rule);
1898 * ice_create_vsi_list_rule - Creates and populates a VSI list rule
1899 * @hw: pointer to the HW struct
1900 * @vsi_handle_arr: array of VSI handles to form a VSI list
1901 * @num_vsi: number of VSI handles in the array
1902 * @vsi_list_id: stores the ID of the VSI list to be created
1903 * @lkup_type: switch rule filter's lookup type
1905 static enum ice_status
1906 ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1907 u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type)
1909 enum ice_status status;
1911 status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type,
1912 ice_aqc_opc_alloc_res);
1916 /* Update the newly created VSI list to include the specified VSIs */
1917 return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi,
1918 *vsi_list_id, false,
1919 ice_aqc_opc_add_sw_rules, lkup_type);
1923 * ice_create_pkt_fwd_rule
1924 * @hw: pointer to the hardware structure
1925 * @f_entry: entry containing packet forwarding information
1927 * Create switch rule with given filter information and add an entry
1928 * to the corresponding filter management list to track this switch rule
1931 static enum ice_status
1932 ice_create_pkt_fwd_rule(struct ice_hw *hw,
1933 struct ice_fltr_list_entry *f_entry)
1935 struct ice_fltr_mgmt_list_entry *fm_entry;
1936 struct ice_aqc_sw_rules_elem *s_rule;
1937 enum ice_sw_lkup_type l_type;
1938 struct ice_sw_recipe *recp;
1939 enum ice_status status;
1941 s_rule = (struct ice_aqc_sw_rules_elem *)
1942 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE);
1944 return ICE_ERR_NO_MEMORY;
1945 fm_entry = (struct ice_fltr_mgmt_list_entry *)
1946 ice_malloc(hw, sizeof(*fm_entry));
1948 status = ICE_ERR_NO_MEMORY;
1949 goto ice_create_pkt_fwd_rule_exit;
1952 fm_entry->fltr_info = f_entry->fltr_info;
1954 /* Initialize all the fields for the management entry */
1955 fm_entry->vsi_count = 1;
1956 fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX;
1957 fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID;
1958 fm_entry->counter_index = ICE_INVAL_COUNTER_ID;
1960 ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule,
1961 ice_aqc_opc_add_sw_rules);
1963 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
1964 ice_aqc_opc_add_sw_rules, NULL);
1966 ice_free(hw, fm_entry);
1967 goto ice_create_pkt_fwd_rule_exit;
1970 f_entry->fltr_info.fltr_rule_id =
1971 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
1972 fm_entry->fltr_info.fltr_rule_id =
1973 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
1975 /* The book keeping entries will get removed when base driver
1976 * calls remove filter AQ command
1978 l_type = fm_entry->fltr_info.lkup_type;
1979 recp = &hw->switch_info->recp_list[l_type];
1980 LIST_ADD(&fm_entry->list_entry, &recp->filt_rules);
1982 ice_create_pkt_fwd_rule_exit:
1983 ice_free(hw, s_rule);
1988 * ice_update_pkt_fwd_rule
1989 * @hw: pointer to the hardware structure
1990 * @f_info: filter information for switch rule
1992 * Call AQ command to update a previously created switch rule with a
1995 static enum ice_status
1996 ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info)
1998 struct ice_aqc_sw_rules_elem *s_rule;
1999 enum ice_status status;
2001 s_rule = (struct ice_aqc_sw_rules_elem *)
2002 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE);
2004 return ICE_ERR_NO_MEMORY;
2006 ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules);
2008 s_rule->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_info->fltr_rule_id);
2010 /* Update switch rule with new rule set to forward VSI list */
2011 status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
2012 ice_aqc_opc_update_sw_rules, NULL);
2014 ice_free(hw, s_rule);
2019 * ice_update_sw_rule_bridge_mode
2020 * @hw: pointer to the HW struct
2022 * Updates unicast switch filter rules based on VEB/VEPA mode
2024 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw)
2026 struct ice_switch_info *sw = hw->switch_info;
2027 struct ice_fltr_mgmt_list_entry *fm_entry;
2028 enum ice_status status = ICE_SUCCESS;
2029 struct LIST_HEAD_TYPE *rule_head;
2030 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2032 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
2033 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;
2035 ice_acquire_lock(rule_lock);
2036 LIST_FOR_EACH_ENTRY(fm_entry, rule_head, ice_fltr_mgmt_list_entry,
2038 struct ice_fltr_info *fi = &fm_entry->fltr_info;
2039 u8 *addr = fi->l_data.mac.mac_addr;
2041 /* Update unicast Tx rules to reflect the selected
2044 if ((fi->flag & ICE_FLTR_TX) && IS_UNICAST_ETHER_ADDR(addr) &&
2045 (fi->fltr_act == ICE_FWD_TO_VSI ||
2046 fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
2047 fi->fltr_act == ICE_FWD_TO_Q ||
2048 fi->fltr_act == ICE_FWD_TO_QGRP)) {
2049 status = ice_update_pkt_fwd_rule(hw, fi);
2055 ice_release_lock(rule_lock);
2061 * ice_add_update_vsi_list
2062 * @hw: pointer to the hardware structure
2063 * @m_entry: pointer to current filter management list entry
2064 * @cur_fltr: filter information from the book keeping entry
2065 * @new_fltr: filter information with the new VSI to be added
2067 * Call AQ command to add or update previously created VSI list with new VSI.
2069 * Helper function to do book keeping associated with adding filter information
2070 * The algorithm to do the book keeping is described below :
2071 * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.)
2072 * if only one VSI has been added till now
2073 * Allocate a new VSI list and add two VSIs
2074 * to this list using switch rule command
2075 * Update the previously created switch rule with the
2076 * newly created VSI list ID
2077 * if a VSI list was previously created
2078 * Add the new VSI to the previously created VSI list set
2079 * using the update switch rule command
2081 static enum ice_status
2082 ice_add_update_vsi_list(struct ice_hw *hw,
2083 struct ice_fltr_mgmt_list_entry *m_entry,
2084 struct ice_fltr_info *cur_fltr,
2085 struct ice_fltr_info *new_fltr)
2087 enum ice_status status = ICE_SUCCESS;
2088 u16 vsi_list_id = 0;
2090 if ((cur_fltr->fltr_act == ICE_FWD_TO_Q ||
2091 cur_fltr->fltr_act == ICE_FWD_TO_QGRP))
2092 return ICE_ERR_NOT_IMPL;
2094 if ((new_fltr->fltr_act == ICE_FWD_TO_Q ||
2095 new_fltr->fltr_act == ICE_FWD_TO_QGRP) &&
2096 (cur_fltr->fltr_act == ICE_FWD_TO_VSI ||
2097 cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST))
2098 return ICE_ERR_NOT_IMPL;
2100 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
2101 /* Only one entry existed in the mapping and it was not already
2102 * a part of a VSI list. So, create a VSI list with the old and
2105 struct ice_fltr_info tmp_fltr;
2106 u16 vsi_handle_arr[2];
2108 /* A rule already exists with the new VSI being added */
2109 if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id)
2110 return ICE_ERR_ALREADY_EXISTS;
2112 vsi_handle_arr[0] = cur_fltr->vsi_handle;
2113 vsi_handle_arr[1] = new_fltr->vsi_handle;
2114 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
2116 new_fltr->lkup_type);
2120 tmp_fltr = *new_fltr;
2121 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
2122 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
2123 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
2124 /* Update the previous switch rule of "MAC forward to VSI" to
2125 * "MAC fwd to VSI list"
2127 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
2131 cur_fltr->fwd_id.vsi_list_id = vsi_list_id;
2132 cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
2133 m_entry->vsi_list_info =
2134 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
2137 /* If this entry was large action then the large action needs
2138 * to be updated to point to FWD to VSI list
2140 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID)
2142 ice_add_marker_act(hw, m_entry,
2143 m_entry->sw_marker_id,
2144 m_entry->lg_act_idx);
2146 u16 vsi_handle = new_fltr->vsi_handle;
2147 enum ice_adminq_opc opcode;
2149 if (!m_entry->vsi_list_info)
2152 /* A rule already exists with the new VSI being added */
2153 if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle))
2156 /* Update the previously created VSI list set with
2157 * the new VSI ID passed in
2159 vsi_list_id = cur_fltr->fwd_id.vsi_list_id;
2160 opcode = ice_aqc_opc_update_sw_rules;
2162 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
2163 vsi_list_id, false, opcode,
2164 new_fltr->lkup_type);
2165 /* update VSI list mapping info with new VSI ID */
2167 ice_set_bit(vsi_handle,
2168 m_entry->vsi_list_info->vsi_map);
2171 m_entry->vsi_count++;
2176 * ice_find_rule_entry - Search a rule entry
2177 * @hw: pointer to the hardware structure
2178 * @recp_id: lookup type for which the specified rule needs to be searched
2179 * @f_info: rule information
2181 * Helper function to search for a given rule entry
2182 * Returns pointer to entry storing the rule if found
2184 static struct ice_fltr_mgmt_list_entry *
2185 ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info)
2187 struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL;
2188 struct ice_switch_info *sw = hw->switch_info;
2189 struct LIST_HEAD_TYPE *list_head;
2191 list_head = &sw->recp_list[recp_id].filt_rules;
2192 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
2194 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
2195 sizeof(f_info->l_data)) &&
2196 f_info->flag == list_itr->fltr_info.flag) {
2205 * ice_find_vsi_list_entry - Search VSI list map with VSI count 1
2206 * @hw: pointer to the hardware structure
2207 * @recp_id: lookup type for which VSI lists needs to be searched
2208 * @vsi_handle: VSI handle to be found in VSI list
2209 * @vsi_list_id: VSI list ID found containing vsi_handle
2211 * Helper function to search a VSI list with single entry containing given VSI
2212 * handle element. This can be extended further to search VSI list with more
2213 * than 1 vsi_count. Returns pointer to VSI list entry if found.
2215 static struct ice_vsi_list_map_info *
2216 ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle,
2219 struct ice_vsi_list_map_info *map_info = NULL;
2220 struct ice_switch_info *sw = hw->switch_info;
2221 struct LIST_HEAD_TYPE *list_head;
2223 list_head = &sw->recp_list[recp_id].filt_rules;
2224 if (sw->recp_list[recp_id].adv_rule) {
2225 struct ice_adv_fltr_mgmt_list_entry *list_itr;
2227 LIST_FOR_EACH_ENTRY(list_itr, list_head,
2228 ice_adv_fltr_mgmt_list_entry,
2230 if (list_itr->vsi_list_info) {
2231 map_info = list_itr->vsi_list_info;
2232 if (ice_is_bit_set(map_info->vsi_map,
2234 *vsi_list_id = map_info->vsi_list_id;
2240 struct ice_fltr_mgmt_list_entry *list_itr;
2242 LIST_FOR_EACH_ENTRY(list_itr, list_head,
2243 ice_fltr_mgmt_list_entry,
2245 if (list_itr->vsi_count == 1 &&
2246 list_itr->vsi_list_info) {
2247 map_info = list_itr->vsi_list_info;
2248 if (ice_is_bit_set(map_info->vsi_map,
2250 *vsi_list_id = map_info->vsi_list_id;
2260 * ice_add_rule_internal - add rule for a given lookup type
2261 * @hw: pointer to the hardware structure
2262 * @recp_id: lookup type (recipe ID) for which rule has to be added
2263 * @f_entry: structure containing MAC forwarding information
2265 * Adds or updates the rule lists for a given recipe
2267 static enum ice_status
2268 ice_add_rule_internal(struct ice_hw *hw, u8 recp_id,
2269 struct ice_fltr_list_entry *f_entry)
2271 struct ice_switch_info *sw = hw->switch_info;
2272 struct ice_fltr_info *new_fltr, *cur_fltr;
2273 struct ice_fltr_mgmt_list_entry *m_entry;
2274 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2275 enum ice_status status = ICE_SUCCESS;
2277 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2278 return ICE_ERR_PARAM;
2280 /* Load the hw_vsi_id only if the fwd action is fwd to VSI */
2281 if (f_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI)
2282 f_entry->fltr_info.fwd_id.hw_vsi_id =
2283 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2285 rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
2287 ice_acquire_lock(rule_lock);
2288 new_fltr = &f_entry->fltr_info;
2289 if (new_fltr->flag & ICE_FLTR_RX)
2290 new_fltr->src = hw->port_info->lport;
2291 else if (new_fltr->flag & ICE_FLTR_TX)
2293 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2295 m_entry = ice_find_rule_entry(hw, recp_id, new_fltr);
2297 ice_release_lock(rule_lock);
2298 return ice_create_pkt_fwd_rule(hw, f_entry);
2301 cur_fltr = &m_entry->fltr_info;
2302 status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr);
2303 ice_release_lock(rule_lock);
2309 * ice_remove_vsi_list_rule
2310 * @hw: pointer to the hardware structure
2311 * @vsi_list_id: VSI list ID generated as part of allocate resource
2312 * @lkup_type: switch rule filter lookup type
2314 * The VSI list should be emptied before this function is called to remove the
2317 static enum ice_status
2318 ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id,
2319 enum ice_sw_lkup_type lkup_type)
2321 struct ice_aqc_sw_rules_elem *s_rule;
2322 enum ice_status status;
2325 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(0);
2326 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
2328 return ICE_ERR_NO_MEMORY;
2330 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR);
2331 s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id);
2333 /* Free the vsi_list resource that we allocated. It is assumed that the
2334 * list is empty at this point.
2336 status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type,
2337 ice_aqc_opc_free_res);
2339 ice_free(hw, s_rule);
2344 * ice_rem_update_vsi_list
2345 * @hw: pointer to the hardware structure
2346 * @vsi_handle: VSI handle of the VSI to remove
2347 * @fm_list: filter management entry for which the VSI list management needs to
2350 static enum ice_status
2351 ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
2352 struct ice_fltr_mgmt_list_entry *fm_list)
2354 enum ice_sw_lkup_type lkup_type;
2355 enum ice_status status = ICE_SUCCESS;
2358 if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST ||
2359 fm_list->vsi_count == 0)
2360 return ICE_ERR_PARAM;
2362 /* A rule with the VSI being removed does not exist */
2363 if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle))
2364 return ICE_ERR_DOES_NOT_EXIST;
2366 lkup_type = fm_list->fltr_info.lkup_type;
2367 vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id;
2368 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
2369 ice_aqc_opc_update_sw_rules,
2374 fm_list->vsi_count--;
2375 ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
2377 if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) {
2378 struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info;
2379 struct ice_vsi_list_map_info *vsi_list_info =
2380 fm_list->vsi_list_info;
2383 rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map,
2385 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
2386 return ICE_ERR_OUT_OF_RANGE;
2388 /* Make sure VSI list is empty before removing it below */
2389 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
2391 ice_aqc_opc_update_sw_rules,
2396 tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI;
2397 tmp_fltr_info.fwd_id.hw_vsi_id =
2398 ice_get_hw_vsi_num(hw, rem_vsi_handle);
2399 tmp_fltr_info.vsi_handle = rem_vsi_handle;
2400 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info);
2402 ice_debug(hw, ICE_DBG_SW,
2403 "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
2404 tmp_fltr_info.fwd_id.hw_vsi_id, status);
2408 fm_list->fltr_info = tmp_fltr_info;
2411 if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) ||
2412 (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) {
2413 struct ice_vsi_list_map_info *vsi_list_info =
2414 fm_list->vsi_list_info;
2416 /* Remove the VSI list since it is no longer used */
2417 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
2419 ice_debug(hw, ICE_DBG_SW,
2420 "Failed to remove VSI list %d, error %d\n",
2421 vsi_list_id, status);
2425 LIST_DEL(&vsi_list_info->list_entry);
2426 ice_free(hw, vsi_list_info);
2427 fm_list->vsi_list_info = NULL;
2434 * ice_remove_rule_internal - Remove a filter rule of a given type
2436 * @hw: pointer to the hardware structure
2437 * @recp_id: recipe ID for which the rule needs to removed
2438 * @f_entry: rule entry containing filter information
2440 static enum ice_status
2441 ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id,
2442 struct ice_fltr_list_entry *f_entry)
2444 struct ice_switch_info *sw = hw->switch_info;
2445 struct ice_fltr_mgmt_list_entry *list_elem;
2446 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2447 enum ice_status status = ICE_SUCCESS;
2448 bool remove_rule = false;
2451 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2452 return ICE_ERR_PARAM;
2453 f_entry->fltr_info.fwd_id.hw_vsi_id =
2454 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2456 rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
2457 ice_acquire_lock(rule_lock);
2458 list_elem = ice_find_rule_entry(hw, recp_id, &f_entry->fltr_info);
2460 status = ICE_ERR_DOES_NOT_EXIST;
2464 if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) {
2466 } else if (!list_elem->vsi_list_info) {
2467 status = ICE_ERR_DOES_NOT_EXIST;
2469 } else if (list_elem->vsi_list_info->ref_cnt > 1) {
2470 /* a ref_cnt > 1 indicates that the vsi_list is being
2471 * shared by multiple rules. Decrement the ref_cnt and
2472 * remove this rule, but do not modify the list, as it
2473 * is in-use by other rules.
2475 list_elem->vsi_list_info->ref_cnt--;
2478 /* a ref_cnt of 1 indicates the vsi_list is only used
2479 * by one rule. However, the original removal request is only
2480 * for a single VSI. Update the vsi_list first, and only
2481 * remove the rule if there are no further VSIs in this list.
2483 vsi_handle = f_entry->fltr_info.vsi_handle;
2484 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem);
2487 /* if VSI count goes to zero after updating the VSI list */
2488 if (list_elem->vsi_count == 0)
2493 /* Remove the lookup rule */
2494 struct ice_aqc_sw_rules_elem *s_rule;
2496 s_rule = (struct ice_aqc_sw_rules_elem *)
2497 ice_malloc(hw, ICE_SW_RULE_RX_TX_NO_HDR_SIZE);
2499 status = ICE_ERR_NO_MEMORY;
2503 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule,
2504 ice_aqc_opc_remove_sw_rules);
2506 status = ice_aq_sw_rules(hw, s_rule,
2507 ICE_SW_RULE_RX_TX_NO_HDR_SIZE, 1,
2508 ice_aqc_opc_remove_sw_rules, NULL);
2512 /* Remove a book keeping from the list */
2513 ice_free(hw, s_rule);
2515 LIST_DEL(&list_elem->list_entry);
2516 ice_free(hw, list_elem);
2519 ice_release_lock(rule_lock);
2524 * ice_aq_get_res_alloc - get allocated resources
2525 * @hw: pointer to the HW struct
2526 * @num_entries: pointer to u16 to store the number of resource entries returned
2527 * @buf: pointer to user-supplied buffer
2528 * @buf_size: size of buff
2529 * @cd: pointer to command details structure or NULL
2531 * The user-supplied buffer must be large enough to store the resource
2532 * information for all resource types. Each resource type is an
2533 * ice_aqc_get_res_resp_data_elem structure.
2536 ice_aq_get_res_alloc(struct ice_hw *hw, u16 *num_entries, void *buf,
2537 u16 buf_size, struct ice_sq_cd *cd)
2539 struct ice_aqc_get_res_alloc *resp;
2540 enum ice_status status;
2541 struct ice_aq_desc desc;
2544 return ICE_ERR_BAD_PTR;
2546 if (buf_size < ICE_AQ_GET_RES_ALLOC_BUF_LEN)
2547 return ICE_ERR_INVAL_SIZE;
2549 resp = &desc.params.get_res;
2551 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_res_alloc);
2552 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
2554 if (!status && num_entries)
2555 *num_entries = LE16_TO_CPU(resp->resp_elem_num);
2561 * ice_aq_get_res_descs - get allocated resource descriptors
2562 * @hw: pointer to the hardware structure
2563 * @num_entries: number of resource entries in buffer
2564 * @buf: Indirect buffer to hold data parameters and response
2565 * @buf_size: size of buffer for indirect commands
2566 * @res_type: resource type
2567 * @res_shared: is resource shared
2568 * @desc_id: input - first desc ID to start; output - next desc ID
2569 * @cd: pointer to command details structure or NULL
2572 ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries,
2573 struct ice_aqc_get_allocd_res_desc_resp *buf,
2574 u16 buf_size, u16 res_type, bool res_shared, u16 *desc_id,
2575 struct ice_sq_cd *cd)
2577 struct ice_aqc_get_allocd_res_desc *cmd;
2578 struct ice_aq_desc desc;
2579 enum ice_status status;
2581 ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_res_descs");
2583 cmd = &desc.params.get_res_desc;
2586 return ICE_ERR_PARAM;
2588 if (buf_size != (num_entries * sizeof(*buf)))
2589 return ICE_ERR_PARAM;
2591 ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_allocd_res_desc);
2593 cmd->ops.cmd.res = CPU_TO_LE16(((res_type << ICE_AQC_RES_TYPE_S) &
2594 ICE_AQC_RES_TYPE_M) | (res_shared ?
2595 ICE_AQC_RES_TYPE_FLAG_SHARED : 0));
2596 cmd->ops.cmd.first_desc = CPU_TO_LE16(*desc_id);
2598 desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
2600 status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
2602 *desc_id = LE16_TO_CPU(cmd->ops.resp.next_desc);
2608 * ice_add_mac - Add a MAC address based filter rule
2609 * @hw: pointer to the hardware structure
2610 * @m_list: list of MAC addresses and forwarding information
2612 * IMPORTANT: When the ucast_shared flag is set to false and m_list has
2613 * multiple unicast addresses, the function assumes that all the
2614 * addresses are unique in a given add_mac call. It doesn't
2615 * check for duplicates in this case, removing duplicates from a given
2616 * list should be taken care of in the caller of this function.
2619 ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
2621 struct ice_aqc_sw_rules_elem *s_rule, *r_iter;
2622 struct ice_fltr_list_entry *m_list_itr;
2623 struct LIST_HEAD_TYPE *rule_head;
2624 u16 elem_sent, total_elem_left;
2625 struct ice_switch_info *sw;
2626 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2627 enum ice_status status = ICE_SUCCESS;
2628 u16 num_unicast = 0;
2632 return ICE_ERR_PARAM;
2634 sw = hw->switch_info;
2635 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
2636 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2638 u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0];
2642 m_list_itr->fltr_info.flag = ICE_FLTR_TX;
2643 vsi_handle = m_list_itr->fltr_info.vsi_handle;
2644 if (!ice_is_vsi_valid(hw, vsi_handle))
2645 return ICE_ERR_PARAM;
2646 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
2647 m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id;
2648 /* update the src in case it is VSI num */
2649 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI)
2650 return ICE_ERR_PARAM;
2651 m_list_itr->fltr_info.src = hw_vsi_id;
2652 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC ||
2653 IS_ZERO_ETHER_ADDR(add))
2654 return ICE_ERR_PARAM;
2655 if (IS_UNICAST_ETHER_ADDR(add) && !hw->ucast_shared) {
2656 /* Don't overwrite the unicast address */
2657 ice_acquire_lock(rule_lock);
2658 if (ice_find_rule_entry(hw, ICE_SW_LKUP_MAC,
2659 &m_list_itr->fltr_info)) {
2660 ice_release_lock(rule_lock);
2661 return ICE_ERR_ALREADY_EXISTS;
2663 ice_release_lock(rule_lock);
2665 } else if (IS_MULTICAST_ETHER_ADDR(add) ||
2666 (IS_UNICAST_ETHER_ADDR(add) && hw->ucast_shared)) {
2667 m_list_itr->status =
2668 ice_add_rule_internal(hw, ICE_SW_LKUP_MAC,
2670 if (m_list_itr->status)
2671 return m_list_itr->status;
2675 ice_acquire_lock(rule_lock);
2676 /* Exit if no suitable entries were found for adding bulk switch rule */
2678 status = ICE_SUCCESS;
2679 goto ice_add_mac_exit;
2682 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;
2684 /* Allocate switch rule buffer for the bulk update for unicast */
2685 s_rule_size = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
2686 s_rule = (struct ice_aqc_sw_rules_elem *)
2687 ice_calloc(hw, num_unicast, s_rule_size);
2689 status = ICE_ERR_NO_MEMORY;
2690 goto ice_add_mac_exit;
2694 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2696 struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
2697 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
2699 if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
2700 ice_fill_sw_rule(hw, &m_list_itr->fltr_info, r_iter,
2701 ice_aqc_opc_add_sw_rules);
2702 r_iter = (struct ice_aqc_sw_rules_elem *)
2703 ((u8 *)r_iter + s_rule_size);
2707 /* Call AQ bulk switch rule update for all unicast addresses */
2709 /* Call AQ switch rule in AQ_MAX chunk */
2710 for (total_elem_left = num_unicast; total_elem_left > 0;
2711 total_elem_left -= elem_sent) {
2712 struct ice_aqc_sw_rules_elem *entry = r_iter;
2714 elem_sent = min(total_elem_left,
2715 (u16)(ICE_AQ_MAX_BUF_LEN / s_rule_size));
2716 status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size,
2717 elem_sent, ice_aqc_opc_add_sw_rules,
2720 goto ice_add_mac_exit;
2721 r_iter = (struct ice_aqc_sw_rules_elem *)
2722 ((u8 *)r_iter + (elem_sent * s_rule_size));
2725 /* Fill up rule ID based on the value returned from FW */
2727 LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2729 struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
2730 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
2731 struct ice_fltr_mgmt_list_entry *fm_entry;
2733 if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
2734 f_info->fltr_rule_id =
2735 LE16_TO_CPU(r_iter->pdata.lkup_tx_rx.index);
2736 f_info->fltr_act = ICE_FWD_TO_VSI;
2737 /* Create an entry to track this MAC address */
2738 fm_entry = (struct ice_fltr_mgmt_list_entry *)
2739 ice_malloc(hw, sizeof(*fm_entry));
2741 status = ICE_ERR_NO_MEMORY;
2742 goto ice_add_mac_exit;
2744 fm_entry->fltr_info = *f_info;
2745 fm_entry->vsi_count = 1;
2746 /* The book keeping entries will get removed when
2747 * base driver calls remove filter AQ command
2750 LIST_ADD(&fm_entry->list_entry, rule_head);
2751 r_iter = (struct ice_aqc_sw_rules_elem *)
2752 ((u8 *)r_iter + s_rule_size);
2757 ice_release_lock(rule_lock);
2759 ice_free(hw, s_rule);
2764 * ice_add_vlan_internal - Add one VLAN based filter rule
2765 * @hw: pointer to the hardware structure
2766 * @f_entry: filter entry containing one VLAN information
2768 static enum ice_status
2769 ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry)
2771 struct ice_switch_info *sw = hw->switch_info;
2772 struct ice_fltr_mgmt_list_entry *v_list_itr;
2773 struct ice_fltr_info *new_fltr, *cur_fltr;
2774 enum ice_sw_lkup_type lkup_type;
2775 u16 vsi_list_id = 0, vsi_handle;
2776 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2777 enum ice_status status = ICE_SUCCESS;
2779 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2780 return ICE_ERR_PARAM;
2782 f_entry->fltr_info.fwd_id.hw_vsi_id =
2783 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2784 new_fltr = &f_entry->fltr_info;
2786 /* VLAN ID should only be 12 bits */
2787 if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID)
2788 return ICE_ERR_PARAM;
2790 if (new_fltr->src_id != ICE_SRC_ID_VSI)
2791 return ICE_ERR_PARAM;
2793 new_fltr->src = new_fltr->fwd_id.hw_vsi_id;
2794 lkup_type = new_fltr->lkup_type;
2795 vsi_handle = new_fltr->vsi_handle;
2796 rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
2797 ice_acquire_lock(rule_lock);
2798 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr);
2800 struct ice_vsi_list_map_info *map_info = NULL;
2802 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) {
2803 /* All VLAN pruning rules use a VSI list. Check if
2804 * there is already a VSI list containing VSI that we
2805 * want to add. If found, use the same vsi_list_id for
2806 * this new VLAN rule or else create a new list.
2808 map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN,
2812 status = ice_create_vsi_list_rule(hw,
2820 /* Convert the action to forwarding to a VSI list. */
2821 new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
2822 new_fltr->fwd_id.vsi_list_id = vsi_list_id;
2825 status = ice_create_pkt_fwd_rule(hw, f_entry);
2827 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN,
2830 status = ICE_ERR_DOES_NOT_EXIST;
2833 /* reuse VSI list for new rule and increment ref_cnt */
2835 v_list_itr->vsi_list_info = map_info;
2836 map_info->ref_cnt++;
2838 v_list_itr->vsi_list_info =
2839 ice_create_vsi_list_map(hw, &vsi_handle,
2843 } else if (v_list_itr->vsi_list_info->ref_cnt == 1) {
2844 /* Update existing VSI list to add new VSI ID only if it used
2847 cur_fltr = &v_list_itr->fltr_info;
2848 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr,
2851 /* If VLAN rule exists and VSI list being used by this rule is
2852 * referenced by more than 1 VLAN rule. Then create a new VSI
2853 * list appending previous VSI with new VSI and update existing
2854 * VLAN rule to point to new VSI list ID
2856 struct ice_fltr_info tmp_fltr;
2857 u16 vsi_handle_arr[2];
2860 /* Current implementation only supports reusing VSI list with
2861 * one VSI count. We should never hit below condition
2863 if (v_list_itr->vsi_count > 1 &&
2864 v_list_itr->vsi_list_info->ref_cnt > 1) {
2865 ice_debug(hw, ICE_DBG_SW,
2866 "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n");
2867 status = ICE_ERR_CFG;
2872 ice_find_first_bit(v_list_itr->vsi_list_info->vsi_map,
2875 /* A rule already exists with the new VSI being added */
2876 if (cur_handle == vsi_handle) {
2877 status = ICE_ERR_ALREADY_EXISTS;
2881 vsi_handle_arr[0] = cur_handle;
2882 vsi_handle_arr[1] = vsi_handle;
2883 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
2884 &vsi_list_id, lkup_type);
2888 tmp_fltr = v_list_itr->fltr_info;
2889 tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id;
2890 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
2891 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
2892 /* Update the previous switch rule to a new VSI list which
2893 * includes current VSI that is requested
2895 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
2899 /* before overriding VSI list map info. decrement ref_cnt of
2902 v_list_itr->vsi_list_info->ref_cnt--;
2904 /* now update to newly created list */
2905 v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id;
2906 v_list_itr->vsi_list_info =
2907 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
2909 v_list_itr->vsi_count++;
2913 ice_release_lock(rule_lock);
2918 * ice_add_vlan - Add VLAN based filter rule
2919 * @hw: pointer to the hardware structure
2920 * @v_list: list of VLAN entries and forwarding information
2923 ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
2925 struct ice_fltr_list_entry *v_list_itr;
2928 return ICE_ERR_PARAM;
2930 LIST_FOR_EACH_ENTRY(v_list_itr, v_list, ice_fltr_list_entry,
2932 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN)
2933 return ICE_ERR_PARAM;
2934 v_list_itr->fltr_info.flag = ICE_FLTR_TX;
2935 v_list_itr->status = ice_add_vlan_internal(hw, v_list_itr);
2936 if (v_list_itr->status)
2937 return v_list_itr->status;
2942 #ifndef NO_MACVLAN_SUPPORT
2944 * ice_add_mac_vlan - Add MAC and VLAN pair based filter rule
2945 * @hw: pointer to the hardware structure
2946 * @mv_list: list of MAC and VLAN filters
2948 * If the VSI on which the MAC-VLAN pair has to be added has Rx and Tx VLAN
2949 * pruning bits enabled, then it is the responsibility of the caller to make
2950 * sure to add a VLAN only filter on the same VSI. Packets belonging to that
2951 * VLAN won't be received on that VSI otherwise.
2954 ice_add_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *mv_list)
2956 struct ice_fltr_list_entry *mv_list_itr;
2958 if (!mv_list || !hw)
2959 return ICE_ERR_PARAM;
2961 LIST_FOR_EACH_ENTRY(mv_list_itr, mv_list, ice_fltr_list_entry,
2963 enum ice_sw_lkup_type l_type =
2964 mv_list_itr->fltr_info.lkup_type;
2966 if (l_type != ICE_SW_LKUP_MAC_VLAN)
2967 return ICE_ERR_PARAM;
2968 mv_list_itr->fltr_info.flag = ICE_FLTR_TX;
2969 mv_list_itr->status =
2970 ice_add_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN,
2972 if (mv_list_itr->status)
2973 return mv_list_itr->status;
2980 * ice_add_eth_mac - Add ethertype and MAC based filter rule
2981 * @hw: pointer to the hardware structure
2982 * @em_list: list of ether type MAC filter, MAC is optional
2985 ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
2987 struct ice_fltr_list_entry *em_list_itr;
2989 LIST_FOR_EACH_ENTRY(em_list_itr, em_list, ice_fltr_list_entry,
2991 enum ice_sw_lkup_type l_type =
2992 em_list_itr->fltr_info.lkup_type;
2994 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
2995 l_type != ICE_SW_LKUP_ETHERTYPE)
2996 return ICE_ERR_PARAM;
2998 em_list_itr->fltr_info.flag = ICE_FLTR_TX;
2999 em_list_itr->status = ice_add_rule_internal(hw, l_type,
3001 if (em_list_itr->status)
3002 return em_list_itr->status;
3008 * ice_remove_eth_mac - Remove an ethertype (or MAC) based filter rule
3009 * @hw: pointer to the hardware structure
3010 * @em_list: list of ethertype or ethertype MAC entries
3013 ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
3015 struct ice_fltr_list_entry *em_list_itr, *tmp;
3017 if (!em_list || !hw)
3018 return ICE_ERR_PARAM;
3020 LIST_FOR_EACH_ENTRY_SAFE(em_list_itr, tmp, em_list, ice_fltr_list_entry,
3022 enum ice_sw_lkup_type l_type =
3023 em_list_itr->fltr_info.lkup_type;
3025 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
3026 l_type != ICE_SW_LKUP_ETHERTYPE)
3027 return ICE_ERR_PARAM;
3029 em_list_itr->status = ice_remove_rule_internal(hw, l_type,
3031 if (em_list_itr->status)
3032 return em_list_itr->status;
3039 * ice_rem_sw_rule_info
3040 * @hw: pointer to the hardware structure
3041 * @rule_head: pointer to the switch list structure that we want to delete
3044 ice_rem_sw_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head)
3046 if (!LIST_EMPTY(rule_head)) {
3047 struct ice_fltr_mgmt_list_entry *entry;
3048 struct ice_fltr_mgmt_list_entry *tmp;
3050 LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, rule_head,
3051 ice_fltr_mgmt_list_entry, list_entry) {
3052 LIST_DEL(&entry->list_entry);
3053 ice_free(hw, entry);
3059 * ice_rem_adv_rule_info
3060 * @hw: pointer to the hardware structure
3061 * @rule_head: pointer to the switch list structure that we want to delete
3064 ice_rem_adv_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head)
3066 struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
3067 struct ice_adv_fltr_mgmt_list_entry *lst_itr;
3069 if (LIST_EMPTY(rule_head))
3072 LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry, rule_head,
3073 ice_adv_fltr_mgmt_list_entry, list_entry) {
3074 LIST_DEL(&lst_itr->list_entry);
3075 ice_free(hw, lst_itr->lkups);
3076 ice_free(hw, lst_itr);
3081 * ice_rem_all_sw_rules_info
3082 * @hw: pointer to the hardware structure
3084 void ice_rem_all_sw_rules_info(struct ice_hw *hw)
3086 struct ice_switch_info *sw = hw->switch_info;
3089 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
3090 struct LIST_HEAD_TYPE *rule_head;
3092 rule_head = &sw->recp_list[i].filt_rules;
3093 if (!sw->recp_list[i].adv_rule)
3094 ice_rem_sw_rule_info(hw, rule_head);
3096 ice_rem_adv_rule_info(hw, rule_head);
3101 * ice_cfg_dflt_vsi - change state of VSI to set/clear default
3102 * @pi: pointer to the port_info structure
3103 * @vsi_handle: VSI handle to set as default
3104 * @set: true to add the above mentioned switch rule, false to remove it
3105 * @direction: ICE_FLTR_RX or ICE_FLTR_TX
3107 * add filter rule to set/unset given VSI as default VSI for the switch
3108 * (represented by swid)
3111 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
3114 struct ice_aqc_sw_rules_elem *s_rule;
3115 struct ice_fltr_info f_info;
3116 struct ice_hw *hw = pi->hw;
3117 enum ice_adminq_opc opcode;
3118 enum ice_status status;
3122 if (!ice_is_vsi_valid(hw, vsi_handle))
3123 return ICE_ERR_PARAM;
3124 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3126 s_rule_size = set ? ICE_SW_RULE_RX_TX_ETH_HDR_SIZE :
3127 ICE_SW_RULE_RX_TX_NO_HDR_SIZE;
3128 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
3130 return ICE_ERR_NO_MEMORY;
3132 ice_memset(&f_info, 0, sizeof(f_info), ICE_NONDMA_MEM);
3134 f_info.lkup_type = ICE_SW_LKUP_DFLT;
3135 f_info.flag = direction;
3136 f_info.fltr_act = ICE_FWD_TO_VSI;
3137 f_info.fwd_id.hw_vsi_id = hw_vsi_id;
3139 if (f_info.flag & ICE_FLTR_RX) {
3140 f_info.src = pi->lport;
3141 f_info.src_id = ICE_SRC_ID_LPORT;
3143 f_info.fltr_rule_id =
3144 pi->dflt_rx_vsi_rule_id;
3145 } else if (f_info.flag & ICE_FLTR_TX) {
3146 f_info.src_id = ICE_SRC_ID_VSI;
3147 f_info.src = hw_vsi_id;
3149 f_info.fltr_rule_id =
3150 pi->dflt_tx_vsi_rule_id;
3154 opcode = ice_aqc_opc_add_sw_rules;
3156 opcode = ice_aqc_opc_remove_sw_rules;
3158 ice_fill_sw_rule(hw, &f_info, s_rule, opcode);
3160 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opcode, NULL);
3161 if (status || !(f_info.flag & ICE_FLTR_TX_RX))
3164 u16 index = LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
3166 if (f_info.flag & ICE_FLTR_TX) {
3167 pi->dflt_tx_vsi_num = hw_vsi_id;
3168 pi->dflt_tx_vsi_rule_id = index;
3169 } else if (f_info.flag & ICE_FLTR_RX) {
3170 pi->dflt_rx_vsi_num = hw_vsi_id;
3171 pi->dflt_rx_vsi_rule_id = index;
3174 if (f_info.flag & ICE_FLTR_TX) {
3175 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL;
3176 pi->dflt_tx_vsi_rule_id = ICE_INVAL_ACT;
3177 } else if (f_info.flag & ICE_FLTR_RX) {
3178 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL;
3179 pi->dflt_rx_vsi_rule_id = ICE_INVAL_ACT;
3184 ice_free(hw, s_rule);
3189 * ice_remove_mac - remove a MAC address based filter rule
3190 * @hw: pointer to the hardware structure
3191 * @m_list: list of MAC addresses and forwarding information
3193 * This function removes either a MAC filter rule or a specific VSI from a
3194 * VSI list for a multicast MAC address.
3196 * Returns ICE_ERR_DOES_NOT_EXIST if a given entry was not added by
3197 * ice_add_mac. Caller should be aware that this call will only work if all
3198 * the entries passed into m_list were added previously. It will not attempt to
3199 * do a partial remove of entries that were found.
3202 ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
3204 struct ice_fltr_list_entry *list_itr, *tmp;
3207 return ICE_ERR_PARAM;
3209 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, m_list, ice_fltr_list_entry,
3211 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type;
3213 if (l_type != ICE_SW_LKUP_MAC)
3214 return ICE_ERR_PARAM;
3215 list_itr->status = ice_remove_rule_internal(hw,
3218 if (list_itr->status)
3219 return list_itr->status;
3225 * ice_remove_vlan - Remove VLAN based filter rule
3226 * @hw: pointer to the hardware structure
3227 * @v_list: list of VLAN entries and forwarding information
3230 ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
3232 struct ice_fltr_list_entry *v_list_itr, *tmp;
3235 return ICE_ERR_PARAM;
3237 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3239 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
3241 if (l_type != ICE_SW_LKUP_VLAN)
3242 return ICE_ERR_PARAM;
3243 v_list_itr->status = ice_remove_rule_internal(hw,
3246 if (v_list_itr->status)
3247 return v_list_itr->status;
3252 #ifndef NO_MACVLAN_SUPPORT
3254 * ice_remove_mac_vlan - Remove MAC VLAN based filter rule
3255 * @hw: pointer to the hardware structure
3256 * @v_list: list of MAC VLAN entries and forwarding information
3259 ice_remove_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
3261 struct ice_fltr_list_entry *v_list_itr, *tmp;
3264 return ICE_ERR_PARAM;
3266 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3268 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
3270 if (l_type != ICE_SW_LKUP_MAC_VLAN)
3271 return ICE_ERR_PARAM;
3272 v_list_itr->status =
3273 ice_remove_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN,
3275 if (v_list_itr->status)
3276 return v_list_itr->status;
3280 #endif /* !NO_MACVLAN_SUPPORT */
3283 * ice_vsi_uses_fltr - Determine if given VSI uses specified filter
3284 * @fm_entry: filter entry to inspect
3285 * @vsi_handle: VSI handle to compare with filter info
3288 ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle)
3290 return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI &&
3291 fm_entry->fltr_info.vsi_handle == vsi_handle) ||
3292 (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST &&
3293 (ice_is_bit_set(fm_entry->vsi_list_info->vsi_map,
3298 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list
3299 * @hw: pointer to the hardware structure
3300 * @vsi_handle: VSI handle to remove filters from
3301 * @vsi_list_head: pointer to the list to add entry to
3302 * @fi: pointer to fltr_info of filter entry to copy & add
3304 * Helper function, used when creating a list of filters to remove from
3305 * a specific VSI. The entry added to vsi_list_head is a COPY of the
3306 * original filter entry, with the exception of fltr_info.fltr_act and
3307 * fltr_info.fwd_id fields. These are set such that later logic can
3308 * extract which VSI to remove the fltr from, and pass on that information.
3310 static enum ice_status
3311 ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
3312 struct LIST_HEAD_TYPE *vsi_list_head,
3313 struct ice_fltr_info *fi)
3315 struct ice_fltr_list_entry *tmp;
3317 /* this memory is freed up in the caller function
3318 * once filters for this VSI are removed
3320 tmp = (struct ice_fltr_list_entry *)ice_malloc(hw, sizeof(*tmp));
3322 return ICE_ERR_NO_MEMORY;
3324 tmp->fltr_info = *fi;
3326 /* Overwrite these fields to indicate which VSI to remove filter from,
3327 * so find and remove logic can extract the information from the
3328 * list entries. Note that original entries will still have proper
3331 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
3332 tmp->fltr_info.vsi_handle = vsi_handle;
3333 tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3335 LIST_ADD(&tmp->list_entry, vsi_list_head);
3341 * ice_add_to_vsi_fltr_list - Add VSI filters to the list
3342 * @hw: pointer to the hardware structure
3343 * @vsi_handle: VSI handle to remove filters from
3344 * @lkup_list_head: pointer to the list that has certain lookup type filters
3345 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle
3347 * Locates all filters in lkup_list_head that are used by the given VSI,
3348 * and adds COPIES of those entries to vsi_list_head (intended to be used
3349 * to remove the listed filters).
3350 * Note that this means all entries in vsi_list_head must be explicitly
3351 * deallocated by the caller when done with list.
3353 static enum ice_status
3354 ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
3355 struct LIST_HEAD_TYPE *lkup_list_head,
3356 struct LIST_HEAD_TYPE *vsi_list_head)
3358 struct ice_fltr_mgmt_list_entry *fm_entry;
3359 enum ice_status status = ICE_SUCCESS;
3361 /* check to make sure VSI ID is valid and within boundary */
3362 if (!ice_is_vsi_valid(hw, vsi_handle))
3363 return ICE_ERR_PARAM;
3365 LIST_FOR_EACH_ENTRY(fm_entry, lkup_list_head,
3366 ice_fltr_mgmt_list_entry, list_entry) {
3367 struct ice_fltr_info *fi;
3369 fi = &fm_entry->fltr_info;
3370 if (!fi || !ice_vsi_uses_fltr(fm_entry, vsi_handle))
3373 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
3383 * ice_determine_promisc_mask
3384 * @fi: filter info to parse
3386 * Helper function to determine which ICE_PROMISC_ mask corresponds
3387 * to given filter into.
3389 static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi)
3391 u16 vid = fi->l_data.mac_vlan.vlan_id;
3392 u8 *macaddr = fi->l_data.mac.mac_addr;
3393 bool is_tx_fltr = false;
3394 u8 promisc_mask = 0;
3396 if (fi->flag == ICE_FLTR_TX)
3399 if (IS_BROADCAST_ETHER_ADDR(macaddr))
3400 promisc_mask |= is_tx_fltr ?
3401 ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX;
3402 else if (IS_MULTICAST_ETHER_ADDR(macaddr))
3403 promisc_mask |= is_tx_fltr ?
3404 ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX;
3405 else if (IS_UNICAST_ETHER_ADDR(macaddr))
3406 promisc_mask |= is_tx_fltr ?
3407 ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX;
3409 promisc_mask |= is_tx_fltr ?
3410 ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX;
3412 return promisc_mask;
3416 * ice_get_vsi_promisc - get promiscuous mode of given VSI
3417 * @hw: pointer to the hardware structure
3418 * @vsi_handle: VSI handle to retrieve info from
3419 * @promisc_mask: pointer to mask to be filled in
3420 * @vid: VLAN ID of promisc VLAN VSI
3423 ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
3426 struct ice_switch_info *sw = hw->switch_info;
3427 struct ice_fltr_mgmt_list_entry *itr;
3428 struct LIST_HEAD_TYPE *rule_head;
3429 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3431 if (!ice_is_vsi_valid(hw, vsi_handle))
3432 return ICE_ERR_PARAM;
3436 rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rules;
3437 rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rule_lock;
3439 ice_acquire_lock(rule_lock);
3440 LIST_FOR_EACH_ENTRY(itr, rule_head,
3441 ice_fltr_mgmt_list_entry, list_entry) {
3442 /* Continue if this filter doesn't apply to this VSI or the
3443 * VSI ID is not in the VSI map for this filter
3445 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3448 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
3450 ice_release_lock(rule_lock);
3456 * ice_get_vsi_vlan_promisc - get VLAN promiscuous mode of given VSI
3457 * @hw: pointer to the hardware structure
3458 * @vsi_handle: VSI handle to retrieve info from
3459 * @promisc_mask: pointer to mask to be filled in
3460 * @vid: VLAN ID of promisc VLAN VSI
3463 ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
3466 struct ice_switch_info *sw = hw->switch_info;
3467 struct ice_fltr_mgmt_list_entry *itr;
3468 struct LIST_HEAD_TYPE *rule_head;
3469 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3471 if (!ice_is_vsi_valid(hw, vsi_handle))
3472 return ICE_ERR_PARAM;
3476 rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rules;
3477 rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rule_lock;
3479 ice_acquire_lock(rule_lock);
3480 LIST_FOR_EACH_ENTRY(itr, rule_head, ice_fltr_mgmt_list_entry,
3482 /* Continue if this filter doesn't apply to this VSI or the
3483 * VSI ID is not in the VSI map for this filter
3485 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3488 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
3490 ice_release_lock(rule_lock);
3496 * ice_remove_promisc - Remove promisc based filter rules
3497 * @hw: pointer to the hardware structure
3498 * @recp_id: recipe ID for which the rule needs to removed
3499 * @v_list: list of promisc entries
3501 static enum ice_status
3502 ice_remove_promisc(struct ice_hw *hw, u8 recp_id,
3503 struct LIST_HEAD_TYPE *v_list)
3505 struct ice_fltr_list_entry *v_list_itr, *tmp;
3507 LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3509 v_list_itr->status =
3510 ice_remove_rule_internal(hw, recp_id, v_list_itr);
3511 if (v_list_itr->status)
3512 return v_list_itr->status;
3518 * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI
3519 * @hw: pointer to the hardware structure
3520 * @vsi_handle: VSI handle to clear mode
3521 * @promisc_mask: mask of promiscuous config bits to clear
3522 * @vid: VLAN ID to clear VLAN promiscuous
3525 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3528 struct ice_switch_info *sw = hw->switch_info;
3529 struct ice_fltr_list_entry *fm_entry, *tmp;
3530 struct LIST_HEAD_TYPE remove_list_head;
3531 struct ice_fltr_mgmt_list_entry *itr;
3532 struct LIST_HEAD_TYPE *rule_head;
3533 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3534 enum ice_status status = ICE_SUCCESS;
3537 if (!ice_is_vsi_valid(hw, vsi_handle))
3538 return ICE_ERR_PARAM;
3541 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
3543 recipe_id = ICE_SW_LKUP_PROMISC;
3545 rule_head = &sw->recp_list[recipe_id].filt_rules;
3546 rule_lock = &sw->recp_list[recipe_id].filt_rule_lock;
3548 INIT_LIST_HEAD(&remove_list_head);
3550 ice_acquire_lock(rule_lock);
3551 LIST_FOR_EACH_ENTRY(itr, rule_head,
3552 ice_fltr_mgmt_list_entry, list_entry) {
3553 u8 fltr_promisc_mask = 0;
3555 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3558 fltr_promisc_mask |=
3559 ice_determine_promisc_mask(&itr->fltr_info);
3561 /* Skip if filter is not completely specified by given mask */
3562 if (fltr_promisc_mask & ~promisc_mask)
3565 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
3569 ice_release_lock(rule_lock);
3570 goto free_fltr_list;
3573 ice_release_lock(rule_lock);
3575 status = ice_remove_promisc(hw, recipe_id, &remove_list_head);
3578 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
3579 ice_fltr_list_entry, list_entry) {
3580 LIST_DEL(&fm_entry->list_entry);
3581 ice_free(hw, fm_entry);
3588 * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s)
3589 * @hw: pointer to the hardware structure
3590 * @vsi_handle: VSI handle to configure
3591 * @promisc_mask: mask of promiscuous config bits
3592 * @vid: VLAN ID to set VLAN promiscuous
3595 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid)
3597 enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR };
3598 struct ice_fltr_list_entry f_list_entry;
3599 struct ice_fltr_info new_fltr;
3600 enum ice_status status = ICE_SUCCESS;
3606 ice_debug(hw, ICE_DBG_TRACE, "ice_set_vsi_promisc\n");
3608 if (!ice_is_vsi_valid(hw, vsi_handle))
3609 return ICE_ERR_PARAM;
3610 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3612 ice_memset(&new_fltr, 0, sizeof(new_fltr), ICE_NONDMA_MEM);
3614 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) {
3615 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN;
3616 new_fltr.l_data.mac_vlan.vlan_id = vid;
3617 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
3619 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC;
3620 recipe_id = ICE_SW_LKUP_PROMISC;
3623 /* Separate filters must be set for each direction/packet type
3624 * combination, so we will loop over the mask value, store the
3625 * individual type, and clear it out in the input mask as it
3628 while (promisc_mask) {
3634 if (promisc_mask & ICE_PROMISC_UCAST_RX) {
3635 promisc_mask &= ~ICE_PROMISC_UCAST_RX;
3636 pkt_type = UCAST_FLTR;
3637 } else if (promisc_mask & ICE_PROMISC_UCAST_TX) {
3638 promisc_mask &= ~ICE_PROMISC_UCAST_TX;
3639 pkt_type = UCAST_FLTR;
3641 } else if (promisc_mask & ICE_PROMISC_MCAST_RX) {
3642 promisc_mask &= ~ICE_PROMISC_MCAST_RX;
3643 pkt_type = MCAST_FLTR;
3644 } else if (promisc_mask & ICE_PROMISC_MCAST_TX) {
3645 promisc_mask &= ~ICE_PROMISC_MCAST_TX;
3646 pkt_type = MCAST_FLTR;
3648 } else if (promisc_mask & ICE_PROMISC_BCAST_RX) {
3649 promisc_mask &= ~ICE_PROMISC_BCAST_RX;
3650 pkt_type = BCAST_FLTR;
3651 } else if (promisc_mask & ICE_PROMISC_BCAST_TX) {
3652 promisc_mask &= ~ICE_PROMISC_BCAST_TX;
3653 pkt_type = BCAST_FLTR;
3657 /* Check for VLAN promiscuous flag */
3658 if (promisc_mask & ICE_PROMISC_VLAN_RX) {
3659 promisc_mask &= ~ICE_PROMISC_VLAN_RX;
3660 } else if (promisc_mask & ICE_PROMISC_VLAN_TX) {
3661 promisc_mask &= ~ICE_PROMISC_VLAN_TX;
3665 /* Set filter DA based on packet type */
3666 mac_addr = new_fltr.l_data.mac.mac_addr;
3667 if (pkt_type == BCAST_FLTR) {
3668 ice_memset(mac_addr, 0xff, ETH_ALEN, ICE_NONDMA_MEM);
3669 } else if (pkt_type == MCAST_FLTR ||
3670 pkt_type == UCAST_FLTR) {
3671 /* Use the dummy ether header DA */
3672 ice_memcpy(mac_addr, dummy_eth_header, ETH_ALEN,
3673 ICE_NONDMA_TO_NONDMA);
3674 if (pkt_type == MCAST_FLTR)
3675 mac_addr[0] |= 0x1; /* Set multicast bit */
3678 /* Need to reset this to zero for all iterations */
3681 new_fltr.flag |= ICE_FLTR_TX;
3682 new_fltr.src = hw_vsi_id;
3684 new_fltr.flag |= ICE_FLTR_RX;
3685 new_fltr.src = hw->port_info->lport;
3688 new_fltr.fltr_act = ICE_FWD_TO_VSI;
3689 new_fltr.vsi_handle = vsi_handle;
3690 new_fltr.fwd_id.hw_vsi_id = hw_vsi_id;
3691 f_list_entry.fltr_info = new_fltr;
3693 status = ice_add_rule_internal(hw, recipe_id, &f_list_entry);
3694 if (status != ICE_SUCCESS)
3695 goto set_promisc_exit;
3703 * ice_set_vlan_vsi_promisc
3704 * @hw: pointer to the hardware structure
3705 * @vsi_handle: VSI handle to configure
3706 * @promisc_mask: mask of promiscuous config bits
3707 * @rm_vlan_promisc: Clear VLANs VSI promisc mode
3709 * Configure VSI with all associated VLANs to given promiscuous mode(s)
3712 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3713 bool rm_vlan_promisc)
3715 struct ice_switch_info *sw = hw->switch_info;
3716 struct ice_fltr_list_entry *list_itr, *tmp;
3717 struct LIST_HEAD_TYPE vsi_list_head;
3718 struct LIST_HEAD_TYPE *vlan_head;
3719 struct ice_lock *vlan_lock; /* Lock to protect filter rule list */
3720 enum ice_status status;
3723 INIT_LIST_HEAD(&vsi_list_head);
3724 vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
3725 vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules;
3726 ice_acquire_lock(vlan_lock);
3727 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head,
3729 ice_release_lock(vlan_lock);
3731 goto free_fltr_list;
3733 LIST_FOR_EACH_ENTRY(list_itr, &vsi_list_head, ice_fltr_list_entry,
3735 vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id;
3736 if (rm_vlan_promisc)
3737 status = ice_clear_vsi_promisc(hw, vsi_handle,
3738 promisc_mask, vlan_id);
3740 status = ice_set_vsi_promisc(hw, vsi_handle,
3741 promisc_mask, vlan_id);
3747 LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, &vsi_list_head,
3748 ice_fltr_list_entry, list_entry) {
3749 LIST_DEL(&list_itr->list_entry);
3750 ice_free(hw, list_itr);
3756 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI
3757 * @hw: pointer to the hardware structure
3758 * @vsi_handle: VSI handle to remove filters from
3759 * @lkup: switch rule filter lookup type
3762 ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle,
3763 enum ice_sw_lkup_type lkup)
3765 struct ice_switch_info *sw = hw->switch_info;
3766 struct ice_fltr_list_entry *fm_entry;
3767 struct LIST_HEAD_TYPE remove_list_head;
3768 struct LIST_HEAD_TYPE *rule_head;
3769 struct ice_fltr_list_entry *tmp;
3770 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
3771 enum ice_status status;
3773 INIT_LIST_HEAD(&remove_list_head);
3774 rule_lock = &sw->recp_list[lkup].filt_rule_lock;
3775 rule_head = &sw->recp_list[lkup].filt_rules;
3776 ice_acquire_lock(rule_lock);
3777 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head,
3779 ice_release_lock(rule_lock);
3784 case ICE_SW_LKUP_MAC:
3785 ice_remove_mac(hw, &remove_list_head);
3787 case ICE_SW_LKUP_VLAN:
3788 ice_remove_vlan(hw, &remove_list_head);
3790 case ICE_SW_LKUP_PROMISC:
3791 case ICE_SW_LKUP_PROMISC_VLAN:
3792 ice_remove_promisc(hw, lkup, &remove_list_head);
3794 case ICE_SW_LKUP_MAC_VLAN:
3795 #ifndef NO_MACVLAN_SUPPORT
3796 ice_remove_mac_vlan(hw, &remove_list_head);
3798 ice_debug(hw, ICE_DBG_SW, "MAC VLAN look up is not supported yet\n");
3799 #endif /* !NO_MACVLAN_SUPPORT */
3801 case ICE_SW_LKUP_ETHERTYPE:
3802 case ICE_SW_LKUP_ETHERTYPE_MAC:
3803 ice_remove_eth_mac(hw, &remove_list_head);
3805 case ICE_SW_LKUP_DFLT:
3806 ice_debug(hw, ICE_DBG_SW,
3807 "Remove filters for this lookup type hasn't been implemented yet\n");
3809 case ICE_SW_LKUP_LAST:
3810 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type\n");
3814 LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
3815 ice_fltr_list_entry, list_entry) {
3816 LIST_DEL(&fm_entry->list_entry);
3817 ice_free(hw, fm_entry);
3822 * ice_remove_vsi_fltr - Remove all filters for a VSI
3823 * @hw: pointer to the hardware structure
3824 * @vsi_handle: VSI handle to remove filters from
3826 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle)
3828 ice_debug(hw, ICE_DBG_TRACE, "ice_remove_vsi_fltr\n");
3830 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC);
3831 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC_VLAN);
3832 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC);
3833 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_VLAN);
3834 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_DFLT);
3835 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE);
3836 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE_MAC);
3837 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN);
3841 * ice_alloc_res_cntr - allocating resource counter
3842 * @hw: pointer to the hardware structure
3843 * @type: type of resource
3844 * @alloc_shared: if set it is shared else dedicated
3845 * @num_items: number of entries requested for FD resource type
3846 * @counter_id: counter index returned by AQ call
3849 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
3852 struct ice_aqc_alloc_free_res_elem *buf;
3853 enum ice_status status;
3856 /* Allocate resource */
3857 buf_len = sizeof(*buf);
3858 buf = (struct ice_aqc_alloc_free_res_elem *)
3859 ice_malloc(hw, buf_len);
3861 return ICE_ERR_NO_MEMORY;
3863 buf->num_elems = CPU_TO_LE16(num_items);
3864 buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
3865 ICE_AQC_RES_TYPE_M) | alloc_shared);
3867 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
3868 ice_aqc_opc_alloc_res, NULL);
3872 *counter_id = LE16_TO_CPU(buf->elem[0].e.sw_resp);
3880 * ice_free_res_cntr - free resource counter
3881 * @hw: pointer to the hardware structure
3882 * @type: type of resource
3883 * @alloc_shared: if set it is shared else dedicated
3884 * @num_items: number of entries to be freed for FD resource type
3885 * @counter_id: counter ID resource which needs to be freed
3888 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
3891 struct ice_aqc_alloc_free_res_elem *buf;
3892 enum ice_status status;
3896 buf_len = sizeof(*buf);
3897 buf = (struct ice_aqc_alloc_free_res_elem *)
3898 ice_malloc(hw, buf_len);
3900 return ICE_ERR_NO_MEMORY;
3902 buf->num_elems = CPU_TO_LE16(num_items);
3903 buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
3904 ICE_AQC_RES_TYPE_M) | alloc_shared);
3905 buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);
3907 status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
3908 ice_aqc_opc_free_res, NULL);
3910 ice_debug(hw, ICE_DBG_SW,
3911 "counter resource could not be freed\n");
3918 * ice_alloc_vlan_res_counter - obtain counter resource for VLAN type
3919 * @hw: pointer to the hardware structure
3920 * @counter_id: returns counter index
3922 enum ice_status ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id)
3924 return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
3925 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
3930 * ice_free_vlan_res_counter - Free counter resource for VLAN type
3931 * @hw: pointer to the hardware structure
3932 * @counter_id: counter index to be freed
3934 enum ice_status ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id)
3936 return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
3937 ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
3942 * ice_alloc_res_lg_act - add large action resource
3943 * @hw: pointer to the hardware structure
3944 * @l_id: large action ID to fill it in
3945 * @num_acts: number of actions to hold with a large action entry
3947 static enum ice_status
3948 ice_alloc_res_lg_act(struct ice_hw *hw, u16 *l_id, u16 num_acts)
3950 struct ice_aqc_alloc_free_res_elem *sw_buf;
3951 enum ice_status status;
3954 if (num_acts > ICE_MAX_LG_ACT || num_acts == 0)
3955 return ICE_ERR_PARAM;
3957 /* Allocate resource for large action */
3958 buf_len = sizeof(*sw_buf);
3959 sw_buf = (struct ice_aqc_alloc_free_res_elem *)
3960 ice_malloc(hw, buf_len);
3962 return ICE_ERR_NO_MEMORY;
3964 sw_buf->num_elems = CPU_TO_LE16(1);
3966 /* If num_acts is 1, use ICE_AQC_RES_TYPE_WIDE_TABLE_1.
3967 * If num_acts is 2, use ICE_AQC_RES_TYPE_WIDE_TABLE_3.
3968 * If num_acts is greater than 2, then use
3969 * ICE_AQC_RES_TYPE_WIDE_TABLE_4.
3970 * The num_acts cannot exceed 4. This was ensured at the
3971 * beginning of the function.
3974 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_1);
3975 else if (num_acts == 2)
3976 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_2);
3978 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_4);
3980 status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
3981 ice_aqc_opc_alloc_res, NULL);
3983 *l_id = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);
3985 ice_free(hw, sw_buf);
3990 * ice_add_mac_with_sw_marker - add filter with sw marker
3991 * @hw: pointer to the hardware structure
3992 * @f_info: filter info structure containing the MAC filter information
3993 * @sw_marker: sw marker to tag the Rx descriptor with
3996 ice_add_mac_with_sw_marker(struct ice_hw *hw, struct ice_fltr_info *f_info,
3999 struct ice_switch_info *sw = hw->switch_info;
4000 struct ice_fltr_mgmt_list_entry *m_entry;
4001 struct ice_fltr_list_entry fl_info;
4002 struct LIST_HEAD_TYPE l_head;
4003 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
4004 enum ice_status ret;
4008 if (f_info->fltr_act != ICE_FWD_TO_VSI)
4009 return ICE_ERR_PARAM;
4011 if (f_info->lkup_type != ICE_SW_LKUP_MAC)
4012 return ICE_ERR_PARAM;
4014 if (sw_marker == ICE_INVAL_SW_MARKER_ID)
4015 return ICE_ERR_PARAM;
4017 if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
4018 return ICE_ERR_PARAM;
4019 f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);
4021 /* Add filter if it doesn't exist so then the adding of large
4022 * action always results in update
4025 INIT_LIST_HEAD(&l_head);
4026 fl_info.fltr_info = *f_info;
4027 LIST_ADD(&fl_info.list_entry, &l_head);
4029 entry_exists = false;
4030 ret = ice_add_mac(hw, &l_head);
4031 if (ret == ICE_ERR_ALREADY_EXISTS)
4032 entry_exists = true;
4036 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
4037 ice_acquire_lock(rule_lock);
4038 /* Get the book keeping entry for the filter */
4039 m_entry = ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, f_info);
4043 /* If counter action was enabled for this rule then don't enable
4044 * sw marker large action
4046 if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
4047 ret = ICE_ERR_PARAM;
4051 /* if same marker was added before */
4052 if (m_entry->sw_marker_id == sw_marker) {
4053 ret = ICE_ERR_ALREADY_EXISTS;
4057 /* Allocate a hardware table entry to hold large act. Three actions
4058 * for marker based large action
4060 ret = ice_alloc_res_lg_act(hw, &lg_act_id, 3);
4064 if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
4067 /* Update the switch rule to add the marker action */
4068 ret = ice_add_marker_act(hw, m_entry, sw_marker, lg_act_id);
4070 ice_release_lock(rule_lock);
4075 ice_release_lock(rule_lock);
4076 /* only remove entry if it did not exist previously */
4078 ret = ice_remove_mac(hw, &l_head);
4084 * ice_add_mac_with_counter - add filter with counter enabled
4085 * @hw: pointer to the hardware structure
4086 * @f_info: pointer to filter info structure containing the MAC filter
4090 ice_add_mac_with_counter(struct ice_hw *hw, struct ice_fltr_info *f_info)
4092 struct ice_switch_info *sw = hw->switch_info;
4093 struct ice_fltr_mgmt_list_entry *m_entry;
4094 struct ice_fltr_list_entry fl_info;
4095 struct LIST_HEAD_TYPE l_head;
4096 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
4097 enum ice_status ret;
4102 if (f_info->fltr_act != ICE_FWD_TO_VSI)
4103 return ICE_ERR_PARAM;
4105 if (f_info->lkup_type != ICE_SW_LKUP_MAC)
4106 return ICE_ERR_PARAM;
4108 if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
4109 return ICE_ERR_PARAM;
4110 f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);
4112 entry_exist = false;
4114 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
4116 /* Add filter if it doesn't exist so then the adding of large
4117 * action always results in update
4119 INIT_LIST_HEAD(&l_head);
4121 fl_info.fltr_info = *f_info;
4122 LIST_ADD(&fl_info.list_entry, &l_head);
4124 ret = ice_add_mac(hw, &l_head);
4125 if (ret == ICE_ERR_ALREADY_EXISTS)
4130 ice_acquire_lock(rule_lock);
4131 m_entry = ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, f_info);
4133 ret = ICE_ERR_BAD_PTR;
4137 /* Don't enable counter for a filter for which sw marker was enabled */
4138 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) {
4139 ret = ICE_ERR_PARAM;
4143 /* If a counter was already enabled then don't need to add again */
4144 if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
4145 ret = ICE_ERR_ALREADY_EXISTS;
4149 /* Allocate a hardware table entry to VLAN counter */
4150 ret = ice_alloc_vlan_res_counter(hw, &counter_id);
4154 /* Allocate a hardware table entry to hold large act. Two actions for
4155 * counter based large action
4157 ret = ice_alloc_res_lg_act(hw, &lg_act_id, 2);
4161 if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
4164 /* Update the switch rule to add the counter action */
4165 ret = ice_add_counter_act(hw, m_entry, counter_id, lg_act_id);
4167 ice_release_lock(rule_lock);
4172 ice_release_lock(rule_lock);
4173 /* only remove entry if it did not exist previously */
4175 ret = ice_remove_mac(hw, &l_head);
4180 /* This is mapping table entry that maps every word within a given protocol
4181 * structure to the real byte offset as per the specification of that
4183 * for example dst address is 3 words in ethertype header and corresponding
4184 * bytes are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8
4185 * IMPORTANT: Every structure part of "ice_prot_hdr" union should have a
4186 * matching entry describing its field. This needs to be updated if new
4187 * structure is added to that union.
4189 static const struct ice_prot_ext_tbl_entry ice_prot_ext[] = {
4190 { ICE_MAC_OFOS, { 0, 2, 4, 6, 8, 10, 12 } },
4191 { ICE_MAC_IL, { 0, 2, 4, 6, 8, 10, 12 } },
4192 { ICE_IPV4_OFOS, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 } },
4193 { ICE_IPV4_IL, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 } },
4194 { ICE_IPV6_IL, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24,
4195 26, 28, 30, 32, 34, 36, 38 } },
4196 { ICE_IPV6_OFOS, { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24,
4197 26, 28, 30, 32, 34, 36, 38 } },
4198 { ICE_TCP_IL, { 0, 2 } },
4199 { ICE_UDP_ILOS, { 0, 2 } },
4200 { ICE_SCTP_IL, { 0, 2 } },
4201 { ICE_VXLAN, { 8, 10, 12 } },
4202 { ICE_GENEVE, { 8, 10, 12 } },
4203 { ICE_VXLAN_GPE, { 0, 2, 4 } },
4204 { ICE_NVGRE, { 0, 2 } },
4205 { ICE_PROTOCOL_LAST, { 0 } }
4208 /* The following table describes preferred grouping of recipes.
4209 * If a recipe that needs to be programmed is a superset or matches one of the
4210 * following combinations, then the recipe needs to be chained as per the
4213 static const struct ice_pref_recipe_group ice_recipe_pack[] = {
4214 {3, { { ICE_MAC_OFOS_HW, 0, 0 }, { ICE_MAC_OFOS_HW, 2, 0 },
4215 { ICE_MAC_OFOS_HW, 4, 0 } } },
4216 {4, { { ICE_MAC_IL_HW, 0, 0 }, { ICE_MAC_IL_HW, 2, 0 },
4217 { ICE_MAC_IL_HW, 4, 0 }, { ICE_META_DATA_ID_HW, 44, 0 } } },
4218 {2, { { ICE_IPV4_IL_HW, 0, 0 }, { ICE_IPV4_IL_HW, 2, 0 } } },
4219 {2, { { ICE_IPV4_IL_HW, 12, 0 }, { ICE_IPV4_IL_HW, 14, 0 } } },
4222 static const struct ice_protocol_entry ice_prot_id_tbl[] = {
4223 { ICE_MAC_OFOS, ICE_MAC_OFOS_HW },
4224 { ICE_MAC_IL, ICE_MAC_IL_HW },
4225 { ICE_IPV4_OFOS, ICE_IPV4_OFOS_HW },
4226 { ICE_IPV4_IL, ICE_IPV4_IL_HW },
4227 { ICE_IPV6_OFOS, ICE_IPV6_OFOS_HW },
4228 { ICE_IPV6_IL, ICE_IPV6_IL_HW },
4229 { ICE_TCP_IL, ICE_TCP_IL_HW },
4230 { ICE_UDP_ILOS, ICE_UDP_ILOS_HW },
4231 { ICE_SCTP_IL, ICE_SCTP_IL_HW },
4232 { ICE_VXLAN, ICE_UDP_OF_HW },
4233 { ICE_GENEVE, ICE_UDP_OF_HW },
4234 { ICE_VXLAN_GPE, ICE_UDP_OF_HW },
4235 { ICE_NVGRE, ICE_GRE_OF_HW },
4236 { ICE_PROTOCOL_LAST, 0 }
4240 * ice_find_recp - find a recipe
4241 * @hw: pointer to the hardware structure
4242 * @lkup_exts: extension sequence to match
4244 * Returns index of matching recipe, or ICE_MAX_NUM_RECIPES if not found.
4246 static u16 ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts)
4248 struct ice_sw_recipe *recp;
4251 ice_get_recp_to_prof_map(hw);
4252 /* Initialize available_result_ids which tracks available result idx */
4253 for (i = 0; i <= ICE_CHAIN_FV_INDEX_START; i++)
4254 ice_set_bit(ICE_CHAIN_FV_INDEX_START - i,
4255 available_result_ids);
4257 /* Walk through existing recipes to find a match */
4258 recp = hw->switch_info->recp_list;
4259 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
4260 /* If recipe was not created for this ID, in SW bookkeeping,
4261 * check if FW has an entry for this recipe. If the FW has an
4262 * entry update it in our SW bookkeeping and continue with the
4265 if (!recp[i].recp_created)
4266 if (ice_get_recp_frm_fw(hw,
4267 hw->switch_info->recp_list, i))
4270 /* if number of words we are looking for match */
4271 if (lkup_exts->n_val_words == recp[i].lkup_exts.n_val_words) {
4272 struct ice_fv_word *a = lkup_exts->fv_words;
4273 struct ice_fv_word *b = recp[i].lkup_exts.fv_words;
4277 for (p = 0; p < lkup_exts->n_val_words; p++) {
4278 for (q = 0; q < recp[i].lkup_exts.n_val_words;
4280 if (a[p].off == b[q].off &&
4281 a[p].prot_id == b[q].prot_id)
4282 /* Found the "p"th word in the
4287 /* After walking through all the words in the
4288 * "i"th recipe if "p"th word was not found then
4289 * this recipe is not what we are looking for.
4290 * So break out from this loop and try the next
4293 if (q >= recp[i].lkup_exts.n_val_words) {
4298 /* If for "i"th recipe the found was never set to false
4299 * then it means we found our match
4302 return i; /* Return the recipe ID */
4305 return ICE_MAX_NUM_RECIPES;
4309 * ice_prot_type_to_id - get protocol ID from protocol type
4310 * @type: protocol type
4311 * @id: pointer to variable that will receive the ID
4313 * Returns true if found, false otherwise
4315 static bool ice_prot_type_to_id(enum ice_protocol_type type, u16 *id)
4319 for (i = 0; ice_prot_id_tbl[i].type != ICE_PROTOCOL_LAST; i++)
4320 if (ice_prot_id_tbl[i].type == type) {
4321 *id = ice_prot_id_tbl[i].protocol_id;
4328 * ice_find_valid_words - count valid words
4329 * @rule: advanced rule with lookup information
4330 * @lkup_exts: byte offset extractions of the words that are valid
4332 * calculate valid words in a lookup rule using mask value
4335 ice_fill_valid_words(struct ice_adv_lkup_elem *rule,
4336 struct ice_prot_lkup_ext *lkup_exts)
4342 if (!ice_prot_type_to_id(rule->type, &prot_id))
4345 word = lkup_exts->n_val_words;
4347 for (j = 0; j < sizeof(rule->m_u) / sizeof(u16); j++)
4348 if (((u16 *)&rule->m_u)[j] == 0xffff &&
4349 rule->type < ARRAY_SIZE(ice_prot_ext)) {
4350 /* No more space to accommodate */
4351 if (word >= ICE_MAX_CHAIN_WORDS)
4353 lkup_exts->fv_words[word].off =
4354 ice_prot_ext[rule->type].offs[j];
4355 lkup_exts->fv_words[word].prot_id =
4356 ice_prot_id_tbl[rule->type].protocol_id;
4360 ret_val = word - lkup_exts->n_val_words;
4361 lkup_exts->n_val_words = word;
4367 * ice_find_prot_off_ind - check for specific ID and offset in rule
4368 * @lkup_exts: an array of protocol header extractions
4369 * @prot_type: protocol type to check
4370 * @off: expected offset of the extraction
4372 * Check if the prot_ext has given protocol ID and offset
4375 ice_find_prot_off_ind(struct ice_prot_lkup_ext *lkup_exts, u8 prot_type,
4380 for (j = 0; j < lkup_exts->n_val_words; j++)
4381 if (lkup_exts->fv_words[j].off == off &&
4382 lkup_exts->fv_words[j].prot_id == prot_type)
4385 return ICE_MAX_CHAIN_WORDS;
4389 * ice_is_recipe_subset - check if recipe group policy is a subset of lookup
4390 * @lkup_exts: an array of protocol header extractions
4391 * @r_policy: preferred recipe grouping policy
4393 * Helper function to check if given recipe group is subset we need to check if
4394 * all the words described by the given recipe group exist in the advanced rule
4395 * look up information
4398 ice_is_recipe_subset(struct ice_prot_lkup_ext *lkup_exts,
4399 const struct ice_pref_recipe_group *r_policy)
4401 u8 ind[ICE_NUM_WORDS_RECIPE];
4405 /* check if everything in the r_policy is part of the entire rule */
4406 for (i = 0; i < r_policy->n_val_pairs; i++) {
4409 j = ice_find_prot_off_ind(lkup_exts, r_policy->pairs[i].prot_id,
4410 r_policy->pairs[i].off);
4411 if (j >= ICE_MAX_CHAIN_WORDS)
4414 /* store the indexes temporarily found by the find function
4415 * this will be used to mark the words as 'done'
4420 /* If the entire policy recipe was a true match, then mark the fields
4421 * that are covered by the recipe as 'done' meaning that these words
4422 * will be clumped together in one recipe.
4423 * "Done" here means in our searching if certain recipe group
4424 * matches or is subset of the given rule, then we mark all
4425 * the corresponding offsets as found. So the remaining recipes should
4426 * be created with whatever words that were left.
4428 for (i = 0; i < count; i++) {
4431 ice_set_bit(in, lkup_exts->done);
4437 * ice_create_first_fit_recp_def - Create a recipe grouping
4438 * @hw: pointer to the hardware structure
4439 * @lkup_exts: an array of protocol header extractions
4440 * @rg_list: pointer to a list that stores new recipe groups
4441 * @recp_cnt: pointer to a variable that stores returned number of recipe groups
4443 * Using first fit algorithm, take all the words that are still not done
4444 * and start grouping them in 4-word groups. Each group makes up one
4447 static enum ice_status
4448 ice_create_first_fit_recp_def(struct ice_hw *hw,
4449 struct ice_prot_lkup_ext *lkup_exts,
4450 struct LIST_HEAD_TYPE *rg_list,
4453 struct ice_pref_recipe_group *grp = NULL;
4458 /* Walk through every word in the rule to check if it is not done. If so
4459 * then this word needs to be part of a new recipe.
4461 for (j = 0; j < lkup_exts->n_val_words; j++)
4462 if (!ice_is_bit_set(lkup_exts->done, j)) {
4464 grp->n_val_pairs == ICE_NUM_WORDS_RECIPE) {
4465 struct ice_recp_grp_entry *entry;
4467 entry = (struct ice_recp_grp_entry *)
4468 ice_malloc(hw, sizeof(*entry));
4470 return ICE_ERR_NO_MEMORY;
4471 LIST_ADD(&entry->l_entry, rg_list);
4472 grp = &entry->r_group;
4476 grp->pairs[grp->n_val_pairs].prot_id =
4477 lkup_exts->fv_words[j].prot_id;
4478 grp->pairs[grp->n_val_pairs].off =
4479 lkup_exts->fv_words[j].off;
4487 * ice_fill_fv_word_index - fill in the field vector indices for a recipe group
4488 * @hw: pointer to the hardware structure
4489 * @fv_list: field vector with the extraction sequence information
4490 * @rg_list: recipe groupings with protocol-offset pairs
4492 * Helper function to fill in the field vector indices for protocol-offset
4493 * pairs. These indexes are then ultimately programmed into a recipe.
4496 ice_fill_fv_word_index(struct ice_hw *hw, struct LIST_HEAD_TYPE *fv_list,
4497 struct LIST_HEAD_TYPE *rg_list)
4499 struct ice_sw_fv_list_entry *fv;
4500 struct ice_recp_grp_entry *rg;
4501 struct ice_fv_word *fv_ext;
4503 if (LIST_EMPTY(fv_list))
4506 fv = LIST_FIRST_ENTRY(fv_list, struct ice_sw_fv_list_entry, list_entry);
4507 fv_ext = fv->fv_ptr->ew;
4509 LIST_FOR_EACH_ENTRY(rg, rg_list, ice_recp_grp_entry, l_entry) {
4512 for (i = 0; i < rg->r_group.n_val_pairs; i++) {
4513 struct ice_fv_word *pr;
4516 pr = &rg->r_group.pairs[i];
4517 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
4518 if (fv_ext[j].prot_id == pr->prot_id &&
4519 fv_ext[j].off == pr->off) {
4520 /* Store index of field vector */
4529 * ice_add_sw_recipe - function to call AQ calls to create switch recipe
4530 * @hw: pointer to hardware structure
4531 * @rm: recipe management list entry
4532 * @match_tun: if field vector index for tunnel needs to be programmed
4534 static enum ice_status
4535 ice_add_sw_recipe(struct ice_hw *hw, struct ice_sw_recipe *rm,
4538 struct ice_aqc_recipe_data_elem *tmp;
4539 struct ice_aqc_recipe_data_elem *buf;
4540 struct ice_recp_grp_entry *entry;
4541 enum ice_status status;
4546 /* When more than one recipe are required, another recipe is needed to
4547 * chain them together. Matching a tunnel metadata ID takes up one of
4548 * the match fields in the chaining recipe reducing the number of
4549 * chained recipes by one.
4551 if (rm->n_grp_count > 1)
4553 if (rm->n_grp_count > ICE_MAX_CHAIN_RECIPE ||
4554 (match_tun && rm->n_grp_count > (ICE_MAX_CHAIN_RECIPE - 1)))
4555 return ICE_ERR_MAX_LIMIT;
4557 tmp = (struct ice_aqc_recipe_data_elem *)ice_calloc(hw,
4558 ICE_MAX_NUM_RECIPES,
4561 return ICE_ERR_NO_MEMORY;
4563 buf = (struct ice_aqc_recipe_data_elem *)
4564 ice_calloc(hw, rm->n_grp_count, sizeof(*buf));
4566 status = ICE_ERR_NO_MEMORY;
4570 ice_zero_bitmap(rm->r_bitmap, ICE_MAX_NUM_RECIPES);
4571 recipe_count = ICE_MAX_NUM_RECIPES;
4572 status = ice_aq_get_recipe(hw, tmp, &recipe_count, ICE_SW_LKUP_MAC,
4574 if (status || recipe_count == 0)
4577 /* Allocate the recipe resources, and configure them according to the
4578 * match fields from protocol headers and extracted field vectors.
4580 chain_idx = ICE_CHAIN_FV_INDEX_START -
4581 ice_find_first_bit(available_result_ids,
4582 ICE_CHAIN_FV_INDEX_START + 1);
4583 LIST_FOR_EACH_ENTRY(entry, &rm->rg_list, ice_recp_grp_entry, l_entry) {
4586 status = ice_alloc_recipe(hw, &entry->rid);
4590 /* Clear the result index of the located recipe, as this will be
4591 * updated, if needed, later in the recipe creation process.
4593 tmp[0].content.result_indx = 0;
4595 buf[recps] = tmp[0];
4596 buf[recps].recipe_indx = (u8)entry->rid;
4597 /* if the recipe is a non-root recipe RID should be programmed
4598 * as 0 for the rules to be applied correctly.
4600 buf[recps].content.rid = 0;
4601 ice_memset(&buf[recps].content.lkup_indx, 0,
4602 sizeof(buf[recps].content.lkup_indx),
4605 /* All recipes use look-up index 0 to match switch ID. */
4606 buf[recps].content.lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
4607 buf[recps].content.mask[0] =
4608 CPU_TO_LE16(ICE_AQ_SW_ID_LKUP_MASK);
4609 /* Setup lkup_indx 1..4 to INVALID/ignore and set the mask
4612 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
4613 buf[recps].content.lkup_indx[i] = 0x80;
4614 buf[recps].content.mask[i] = 0;
4617 for (i = 0; i < entry->r_group.n_val_pairs; i++) {
4618 buf[recps].content.lkup_indx[i + 1] = entry->fv_idx[i];
4619 buf[recps].content.mask[i + 1] = CPU_TO_LE16(0xFFFF);
4622 if (rm->n_grp_count > 1) {
4623 entry->chain_idx = chain_idx;
4624 buf[recps].content.result_indx =
4625 ICE_AQ_RECIPE_RESULT_EN |
4626 ((chain_idx << ICE_AQ_RECIPE_RESULT_DATA_S) &
4627 ICE_AQ_RECIPE_RESULT_DATA_M);
4628 ice_clear_bit(ICE_CHAIN_FV_INDEX_START - chain_idx,
4629 available_result_ids);
4630 chain_idx = ICE_CHAIN_FV_INDEX_START -
4631 ice_find_first_bit(available_result_ids,
4632 ICE_CHAIN_FV_INDEX_START +
4636 /* fill recipe dependencies */
4637 ice_zero_bitmap((ice_bitmap_t *)buf[recps].recipe_bitmap,
4638 ICE_MAX_NUM_RECIPES);
4639 ice_set_bit(buf[recps].recipe_indx,
4640 (ice_bitmap_t *)buf[recps].recipe_bitmap);
4641 buf[recps].content.act_ctrl_fwd_priority = rm->priority;
4645 if (rm->n_grp_count == 1) {
4646 rm->root_rid = buf[0].recipe_indx;
4647 ice_set_bit(buf[0].recipe_indx, rm->r_bitmap);
4648 buf[0].content.rid = rm->root_rid | ICE_AQ_RECIPE_ID_IS_ROOT;
4649 if (sizeof(buf[0].recipe_bitmap) >= sizeof(rm->r_bitmap)) {
4650 ice_memcpy(buf[0].recipe_bitmap, rm->r_bitmap,
4651 sizeof(buf[0].recipe_bitmap),
4652 ICE_NONDMA_TO_NONDMA);
4654 status = ICE_ERR_BAD_PTR;
4657 /* Applicable only for ROOT_RECIPE, set the fwd_priority for
4658 * the recipe which is getting created if specified
4659 * by user. Usually any advanced switch filter, which results
4660 * into new extraction sequence, ended up creating a new recipe
4661 * of type ROOT and usually recipes are associated with profiles
4662 * Switch rule referreing newly created recipe, needs to have
4663 * either/or 'fwd' or 'join' priority, otherwise switch rule
4664 * evaluation will not happen correctly. In other words, if
4665 * switch rule to be evaluated on priority basis, then recipe
4666 * needs to have priority, otherwise it will be evaluated last.
4668 buf[0].content.act_ctrl_fwd_priority = rm->priority;
4670 struct ice_recp_grp_entry *last_chain_entry;
4673 /* Allocate the last recipe that will chain the outcomes of the
4674 * other recipes together
4676 status = ice_alloc_recipe(hw, &rid);
4680 buf[recps].recipe_indx = (u8)rid;
4681 buf[recps].content.rid = (u8)rid;
4682 buf[recps].content.rid |= ICE_AQ_RECIPE_ID_IS_ROOT;
4683 /* the new entry created should also be part of rg_list to
4684 * make sure we have complete recipe
4686 last_chain_entry = (struct ice_recp_grp_entry *)ice_malloc(hw,
4687 sizeof(*last_chain_entry));
4688 if (!last_chain_entry) {
4689 status = ICE_ERR_NO_MEMORY;
4692 last_chain_entry->rid = rid;
4693 ice_memset(&buf[recps].content.lkup_indx, 0,
4694 sizeof(buf[recps].content.lkup_indx),
4696 /* All recipes use look-up index 0 to match switch ID. */
4697 buf[recps].content.lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
4698 buf[recps].content.mask[0] =
4699 CPU_TO_LE16(ICE_AQ_SW_ID_LKUP_MASK);
4700 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
4701 buf[recps].content.lkup_indx[i] =
4702 ICE_AQ_RECIPE_LKUP_IGNORE;
4703 buf[recps].content.mask[i] = 0;
4707 /* update r_bitmap with the recp that is used for chaining */
4708 ice_set_bit(rid, rm->r_bitmap);
4709 /* this is the recipe that chains all the other recipes so it
4710 * should not have a chaining ID to indicate the same
4712 last_chain_entry->chain_idx = ICE_INVAL_CHAIN_IND;
4713 LIST_FOR_EACH_ENTRY(entry, &rm->rg_list, ice_recp_grp_entry,
4715 last_chain_entry->fv_idx[i] = entry->chain_idx;
4716 buf[recps].content.lkup_indx[i] = entry->chain_idx;
4717 buf[recps].content.mask[i++] = CPU_TO_LE16(0xFFFF);
4718 ice_set_bit(entry->rid, rm->r_bitmap);
4720 LIST_ADD(&last_chain_entry->l_entry, &rm->rg_list);
4721 if (sizeof(buf[recps].recipe_bitmap) >=
4722 sizeof(rm->r_bitmap)) {
4723 ice_memcpy(buf[recps].recipe_bitmap, rm->r_bitmap,
4724 sizeof(buf[recps].recipe_bitmap),
4725 ICE_NONDMA_TO_NONDMA);
4727 status = ICE_ERR_BAD_PTR;
4730 buf[recps].content.act_ctrl_fwd_priority = rm->priority;
4732 /* To differentiate among different UDP tunnels, a meta data ID
4736 buf[recps].content.lkup_indx[i] = ICE_TUN_FLAG_FV_IND;
4737 buf[recps].content.mask[i] =
4738 CPU_TO_LE16(ICE_TUN_FLAG_MASK);
4742 rm->root_rid = (u8)rid;
4744 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
4748 status = ice_aq_add_recipe(hw, buf, rm->n_grp_count, NULL);
4749 ice_release_change_lock(hw);
4753 /* Every recipe that just got created add it to the recipe
4756 LIST_FOR_EACH_ENTRY(entry, &rm->rg_list, ice_recp_grp_entry, l_entry) {
4757 struct ice_switch_info *sw = hw->switch_info;
4758 struct ice_sw_recipe *recp;
4760 recp = &sw->recp_list[entry->rid];
4761 recp->root_rid = entry->rid;
4762 ice_memcpy(&recp->ext_words, entry->r_group.pairs,
4763 entry->r_group.n_val_pairs *
4764 sizeof(struct ice_fv_word),
4765 ICE_NONDMA_TO_NONDMA);
4767 recp->n_ext_words = entry->r_group.n_val_pairs;
4768 recp->chain_idx = entry->chain_idx;
4769 recp->recp_created = true;
4770 recp->big_recp = false;
4784 * ice_create_recipe_group - creates recipe group
4785 * @hw: pointer to hardware structure
4786 * @rm: recipe management list entry
4787 * @lkup_exts: lookup elements
4789 static enum ice_status
4790 ice_create_recipe_group(struct ice_hw *hw, struct ice_sw_recipe *rm,
4791 struct ice_prot_lkup_ext *lkup_exts)
4793 struct ice_recp_grp_entry *entry;
4794 struct ice_recp_grp_entry *tmp;
4795 enum ice_status status;
4799 rm->n_grp_count = 0;
4801 /* Each switch recipe can match up to 5 words or metadata. One word in
4802 * each recipe is used to match the switch ID. Four words are left for
4803 * matching other values. If the new advanced recipe requires more than
4804 * 4 words, it needs to be split into multiple recipes which are chained
4805 * together using the intermediate result that each produces as input to
4806 * the other recipes in the sequence.
4808 groups = ARRAY_SIZE(ice_recipe_pack);
4810 /* Check if any of the preferred recipes from the grouping policy
4813 for (i = 0; i < groups; i++)
4814 /* Check if the recipe from the preferred grouping matches
4815 * or is a subset of the fields that needs to be looked up.
4817 if (ice_is_recipe_subset(lkup_exts, &ice_recipe_pack[i])) {
4818 /* This recipe can be used by itself or grouped with
4821 entry = (struct ice_recp_grp_entry *)
4822 ice_malloc(hw, sizeof(*entry));
4824 status = ICE_ERR_NO_MEMORY;
4827 entry->r_group = ice_recipe_pack[i];
4828 LIST_ADD(&entry->l_entry, &rm->rg_list);
4832 /* Create recipes for words that are marked not done by packing them
4835 status = ice_create_first_fit_recp_def(hw, lkup_exts,
4836 &rm->rg_list, &recp_count);
4838 rm->n_grp_count += recp_count;
4839 rm->n_ext_words = lkup_exts->n_val_words;
4840 ice_memcpy(&rm->ext_words, lkup_exts->fv_words,
4841 sizeof(rm->ext_words), ICE_NONDMA_TO_NONDMA);
4846 LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, &rm->rg_list, ice_recp_grp_entry,
4848 LIST_DEL(&entry->l_entry);
4849 ice_free(hw, entry);
4857 * ice_get_fv - get field vectors/extraction sequences for spec. lookup types
4858 * @hw: pointer to hardware structure
4859 * @lkups: lookup elements or match criteria for the advanced recipe, one
4860 * structure per protocol header
4861 * @lkups_cnt: number of protocols
4862 * @fv_list: pointer to a list that holds the returned field vectors
4864 static enum ice_status
4865 ice_get_fv(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
4866 struct LIST_HEAD_TYPE *fv_list)
4868 enum ice_status status;
4872 prot_ids = (u16 *)ice_calloc(hw, lkups_cnt, sizeof(*prot_ids));
4874 return ICE_ERR_NO_MEMORY;
4876 for (i = 0; i < lkups_cnt; i++)
4877 if (!ice_prot_type_to_id(lkups[i].type, &prot_ids[i])) {
4878 status = ICE_ERR_CFG;
4882 /* Find field vectors that include all specified protocol types */
4883 status = ice_get_sw_fv_list(hw, prot_ids, lkups_cnt, fv_list);
4886 ice_free(hw, prot_ids);
4891 * ice_add_adv_recipe - Add an advanced recipe that is not part of the default
4892 * @hw: pointer to hardware structure
4893 * @lkups: lookup elements or match criteria for the advanced recipe, one
4894 * structure per protocol header
4895 * @lkups_cnt: number of protocols
4896 * @rinfo: other information regarding the rule e.g. priority and action info
4897 * @rid: return the recipe ID of the recipe created
4899 static enum ice_status
4900 ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
4901 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, u16 *rid)
4903 struct ice_prot_lkup_ext *lkup_exts;
4904 struct ice_recp_grp_entry *r_entry;
4905 struct ice_sw_fv_list_entry *fvit;
4906 struct ice_recp_grp_entry *r_tmp;
4907 struct ice_sw_fv_list_entry *tmp;
4908 enum ice_status status = ICE_SUCCESS;
4909 struct ice_sw_recipe *rm;
4910 bool match_tun = false;
4914 return ICE_ERR_PARAM;
4916 lkup_exts = (struct ice_prot_lkup_ext *)
4917 ice_malloc(hw, sizeof(*lkup_exts));
4919 return ICE_ERR_NO_MEMORY;
4921 /* Determine the number of words to be matched and if it exceeds a
4922 * recipe's restrictions
4924 for (i = 0; i < lkups_cnt; i++) {
4927 if (lkups[i].type >= ICE_PROTOCOL_LAST) {
4928 status = ICE_ERR_CFG;
4929 goto err_free_lkup_exts;
4932 count = ice_fill_valid_words(&lkups[i], lkup_exts);
4934 status = ICE_ERR_CFG;
4935 goto err_free_lkup_exts;
4939 *rid = ice_find_recp(hw, lkup_exts);
4940 if (*rid < ICE_MAX_NUM_RECIPES)
4941 /* Success if found a recipe that match the existing criteria */
4942 goto err_free_lkup_exts;
4944 /* Recipe we need does not exist, add a recipe */
4946 rm = (struct ice_sw_recipe *)ice_malloc(hw, sizeof(*rm));
4948 status = ICE_ERR_NO_MEMORY;
4949 goto err_free_lkup_exts;
4952 /* Get field vectors that contain fields extracted from all the protocol
4953 * headers being programmed.
4955 INIT_LIST_HEAD(&rm->fv_list);
4956 INIT_LIST_HEAD(&rm->rg_list);
4958 status = ice_get_fv(hw, lkups, lkups_cnt, &rm->fv_list);
4962 /* Group match words into recipes using preferred recipe grouping
4965 status = ice_create_recipe_group(hw, rm, lkup_exts);
4969 /* There is only profile for UDP tunnels. So, it is necessary to use a
4970 * metadata ID flag to differentiate different tunnel types. A separate
4971 * recipe needs to be used for the metadata.
4973 if ((rinfo->tun_type == ICE_SW_TUN_VXLAN_GPE ||
4974 rinfo->tun_type == ICE_SW_TUN_GENEVE ||
4975 rinfo->tun_type == ICE_SW_TUN_VXLAN) && rm->n_grp_count > 1)
4978 /* set the recipe priority if specified */
4979 rm->priority = rinfo->priority ? rinfo->priority : 0;
4981 /* Find offsets from the field vector. Pick the first one for all the
4984 ice_fill_fv_word_index(hw, &rm->fv_list, &rm->rg_list);
4985 status = ice_add_sw_recipe(hw, rm, match_tun);
4989 /* Associate all the recipes created with all the profiles in the
4990 * common field vector.
4992 LIST_FOR_EACH_ENTRY(fvit, &rm->fv_list, ice_sw_fv_list_entry,
4994 ice_declare_bitmap(r_bitmap, ICE_MAX_NUM_RECIPES);
4996 status = ice_aq_get_recipe_to_profile(hw, fvit->profile_id,
4997 (u8 *)r_bitmap, NULL);
5001 ice_or_bitmap(rm->r_bitmap, r_bitmap, rm->r_bitmap,
5002 ICE_MAX_NUM_RECIPES);
5003 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
5007 status = ice_aq_map_recipe_to_profile(hw, fvit->profile_id,
5010 ice_release_change_lock(hw);
5016 *rid = rm->root_rid;
5017 ice_memcpy(&hw->switch_info->recp_list[*rid].lkup_exts,
5018 lkup_exts, sizeof(*lkup_exts), ICE_NONDMA_TO_NONDMA);
5020 LIST_FOR_EACH_ENTRY_SAFE(r_entry, r_tmp, &rm->rg_list,
5021 ice_recp_grp_entry, l_entry) {
5022 LIST_DEL(&r_entry->l_entry);
5023 ice_free(hw, r_entry);
5026 LIST_FOR_EACH_ENTRY_SAFE(fvit, tmp, &rm->fv_list, ice_sw_fv_list_entry,
5028 LIST_DEL(&fvit->list_entry);
5033 ice_free(hw, rm->root_buf);
5038 ice_free(hw, lkup_exts);
5043 #define ICE_MAC_HDR_OFFSET 0
5044 #define ICE_IP_HDR_OFFSET 14
5045 #define ICE_GRE_HDR_OFFSET 34
5046 #define ICE_MAC_IL_HDR_OFFSET 42
5047 #define ICE_IP_IL_HDR_OFFSET 56
5048 #define ICE_L4_HDR_OFFSET 34
5049 #define ICE_UDP_TUN_HDR_OFFSET 42
5052 * ice_find_dummy_packet - find dummy packet with given match criteria
5054 * @lkups: lookup elements or match criteria for the advanced recipe, one
5055 * structure per protocol header
5056 * @lkups_cnt: number of protocols
5057 * @tun_type: tunnel type from the match criteria
5058 * @pkt: dummy packet to fill according to filter match criteria
5059 * @pkt_len: packet length of dummy packet
5062 ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
5063 enum ice_sw_tunnel_type tun_type, const u8 **pkt,
5068 if (tun_type == ICE_SW_TUN_NVGRE || tun_type == ICE_ALL_TUNNELS) {
5069 *pkt = dummy_gre_packet;
5070 *pkt_len = sizeof(dummy_gre_packet);
5074 if (tun_type == ICE_SW_TUN_VXLAN || tun_type == ICE_SW_TUN_GENEVE ||
5075 tun_type == ICE_SW_TUN_VXLAN_GPE) {
5076 *pkt = dummy_udp_tun_packet;
5077 *pkt_len = sizeof(dummy_udp_tun_packet);
5081 for (i = 0; i < lkups_cnt; i++) {
5082 if (lkups[i].type == ICE_UDP_ILOS) {
5083 *pkt = dummy_udp_tun_packet;
5084 *pkt_len = sizeof(dummy_udp_tun_packet);
5089 *pkt = dummy_tcp_tun_packet;
5090 *pkt_len = sizeof(dummy_tcp_tun_packet);
5094 * ice_fill_adv_dummy_packet - fill a dummy packet with given match criteria
5096 * @lkups: lookup elements or match criteria for the advanced recipe, one
5097 * structure per protocol header
5098 * @lkups_cnt: number of protocols
5099 * @tun_type: to know if the dummy packet is supposed to be tunnel packet
5100 * @s_rule: stores rule information from the match criteria
5101 * @dummy_pkt: dummy packet to fill according to filter match criteria
5102 * @pkt_len: packet length of dummy packet
5105 ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
5106 enum ice_sw_tunnel_type tun_type,
5107 struct ice_aqc_sw_rules_elem *s_rule,
5108 const u8 *dummy_pkt, u16 pkt_len)
5113 /* Start with a packet with a pre-defined/dummy content. Then, fill
5114 * in the header values to be looked up or matched.
5116 pkt = s_rule->pdata.lkup_tx_rx.hdr;
5118 ice_memcpy(pkt, dummy_pkt, pkt_len, ICE_NONDMA_TO_NONDMA);
5120 for (i = 0; i < lkups_cnt; i++) {
5121 u32 len, pkt_off, hdr_size, field_off;
5123 switch (lkups[i].type) {
5126 pkt_off = offsetof(struct ice_ether_hdr, dst_addr) +
5127 ((lkups[i].type == ICE_MAC_IL) ?
5128 ICE_MAC_IL_HDR_OFFSET : 0);
5129 len = sizeof(lkups[i].h_u.eth_hdr.dst_addr);
5130 if ((tun_type == ICE_SW_TUN_VXLAN ||
5131 tun_type == ICE_SW_TUN_GENEVE ||
5132 tun_type == ICE_SW_TUN_VXLAN_GPE) &&
5133 lkups[i].type == ICE_MAC_IL) {
5134 pkt_off += sizeof(struct ice_udp_tnl_hdr);
5137 ice_memcpy(&pkt[pkt_off],
5138 &lkups[i].h_u.eth_hdr.dst_addr, len,
5139 ICE_NONDMA_TO_NONDMA);
5140 pkt_off = offsetof(struct ice_ether_hdr, src_addr) +
5141 ((lkups[i].type == ICE_MAC_IL) ?
5142 ICE_MAC_IL_HDR_OFFSET : 0);
5143 len = sizeof(lkups[i].h_u.eth_hdr.src_addr);
5144 if ((tun_type == ICE_SW_TUN_VXLAN ||
5145 tun_type == ICE_SW_TUN_GENEVE ||
5146 tun_type == ICE_SW_TUN_VXLAN_GPE) &&
5147 lkups[i].type == ICE_MAC_IL) {
5148 pkt_off += sizeof(struct ice_udp_tnl_hdr);
5150 ice_memcpy(&pkt[pkt_off],
5151 &lkups[i].h_u.eth_hdr.src_addr, len,
5152 ICE_NONDMA_TO_NONDMA);
5153 if (lkups[i].h_u.eth_hdr.ethtype_id) {
5154 pkt_off = offsetof(struct ice_ether_hdr,
5156 ((lkups[i].type == ICE_MAC_IL) ?
5157 ICE_MAC_IL_HDR_OFFSET : 0);
5158 len = sizeof(lkups[i].h_u.eth_hdr.ethtype_id);
5159 if ((tun_type == ICE_SW_TUN_VXLAN ||
5160 tun_type == ICE_SW_TUN_GENEVE ||
5161 tun_type == ICE_SW_TUN_VXLAN_GPE) &&
5162 lkups[i].type == ICE_MAC_IL) {
5164 sizeof(struct ice_udp_tnl_hdr);
5166 ice_memcpy(&pkt[pkt_off],
5167 &lkups[i].h_u.eth_hdr.ethtype_id,
5168 len, ICE_NONDMA_TO_NONDMA);
5172 hdr_size = sizeof(struct ice_ipv4_hdr);
5173 if (lkups[i].h_u.ipv4_hdr.dst_addr) {
5174 pkt_off = ICE_IP_HDR_OFFSET +
5175 offsetof(struct ice_ipv4_hdr,
5177 field_off = offsetof(struct ice_ipv4_hdr,
5179 len = hdr_size - field_off;
5180 ice_memcpy(&pkt[pkt_off],
5181 &lkups[i].h_u.ipv4_hdr.dst_addr,
5182 len, ICE_NONDMA_TO_NONDMA);
5184 if (lkups[i].h_u.ipv4_hdr.src_addr) {
5185 pkt_off = ICE_IP_HDR_OFFSET +
5186 offsetof(struct ice_ipv4_hdr,
5188 field_off = offsetof(struct ice_ipv4_hdr,
5190 len = hdr_size - field_off;
5191 ice_memcpy(&pkt[pkt_off],
5192 &lkups[i].h_u.ipv4_hdr.src_addr,
5193 len, ICE_NONDMA_TO_NONDMA);
5201 hdr_size = sizeof(struct ice_udp_tnl_hdr);
5202 if (lkups[i].h_u.l4_hdr.dst_port) {
5203 pkt_off = ICE_L4_HDR_OFFSET +
5204 offsetof(struct ice_l4_hdr,
5206 field_off = offsetof(struct ice_l4_hdr,
5208 len = hdr_size - field_off;
5209 ice_memcpy(&pkt[pkt_off],
5210 &lkups[i].h_u.l4_hdr.dst_port,
5211 len, ICE_NONDMA_TO_NONDMA);
5213 if (lkups[i].h_u.l4_hdr.src_port) {
5214 pkt_off = ICE_L4_HDR_OFFSET +
5215 offsetof(struct ice_l4_hdr, src_port);
5216 field_off = offsetof(struct ice_l4_hdr,
5218 len = hdr_size - field_off;
5219 ice_memcpy(&pkt[pkt_off],
5220 &lkups[i].h_u.l4_hdr.src_port,
5221 len, ICE_NONDMA_TO_NONDMA);
5227 pkt_off = ICE_UDP_TUN_HDR_OFFSET +
5228 offsetof(struct ice_udp_tnl_hdr, vni);
5229 field_off = offsetof(struct ice_udp_tnl_hdr, vni);
5230 len = sizeof(struct ice_udp_tnl_hdr) - field_off;
5231 ice_memcpy(&pkt[pkt_off], &lkups[i].h_u.tnl_hdr.vni,
5232 len, ICE_NONDMA_TO_NONDMA);
5238 s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(pkt_len);
5242 * ice_find_adv_rule_entry - Search a rule entry
5243 * @hw: pointer to the hardware structure
5244 * @lkups: lookup elements or match criteria for the advanced recipe, one
5245 * structure per protocol header
5246 * @lkups_cnt: number of protocols
5247 * @recp_id: recipe ID for which we are finding the rule
5248 * @rinfo: other information regarding the rule e.g. priority and action info
5250 * Helper function to search for a given advance rule entry
5251 * Returns pointer to entry storing the rule if found
5253 static struct ice_adv_fltr_mgmt_list_entry *
5254 ice_find_adv_rule_entry(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5255 u16 lkups_cnt, u8 recp_id,
5256 struct ice_adv_rule_info *rinfo)
5258 struct ice_adv_fltr_mgmt_list_entry *list_itr;
5259 struct ice_switch_info *sw = hw->switch_info;
5262 LIST_FOR_EACH_ENTRY(list_itr, &sw->recp_list[recp_id].filt_rules,
5263 ice_adv_fltr_mgmt_list_entry, list_entry) {
5264 bool lkups_matched = true;
5266 if (lkups_cnt != list_itr->lkups_cnt)
5268 for (i = 0; i < list_itr->lkups_cnt; i++)
5269 if (memcmp(&list_itr->lkups[i], &lkups[i],
5271 lkups_matched = false;
5274 if (rinfo->sw_act.flag == list_itr->rule_info.sw_act.flag &&
5275 rinfo->tun_type == list_itr->rule_info.tun_type &&
5283 * ice_adv_add_update_vsi_list
5284 * @hw: pointer to the hardware structure
5285 * @m_entry: pointer to current adv filter management list entry
5286 * @cur_fltr: filter information from the book keeping entry
5287 * @new_fltr: filter information with the new VSI to be added
5289 * Call AQ command to add or update previously created VSI list with new VSI.
5291 * Helper function to do book keeping associated with adding filter information
5292 * The algorithm to do the booking keeping is described below :
5293 * When a VSI needs to subscribe to a given advanced filter
5294 * if only one VSI has been added till now
5295 * Allocate a new VSI list and add two VSIs
5296 * to this list using switch rule command
5297 * Update the previously created switch rule with the
5298 * newly created VSI list ID
5299 * if a VSI list was previously created
5300 * Add the new VSI to the previously created VSI list set
5301 * using the update switch rule command
5303 static enum ice_status
5304 ice_adv_add_update_vsi_list(struct ice_hw *hw,
5305 struct ice_adv_fltr_mgmt_list_entry *m_entry,
5306 struct ice_adv_rule_info *cur_fltr,
5307 struct ice_adv_rule_info *new_fltr)
5309 enum ice_status status;
5310 u16 vsi_list_id = 0;
5312 if (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_Q ||
5313 cur_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP)
5314 return ICE_ERR_NOT_IMPL;
5316 if (cur_fltr->sw_act.fltr_act == ICE_DROP_PACKET &&
5317 new_fltr->sw_act.fltr_act == ICE_DROP_PACKET)
5318 return ICE_ERR_ALREADY_EXISTS;
5320 if ((new_fltr->sw_act.fltr_act == ICE_FWD_TO_Q ||
5321 new_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP) &&
5322 (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI ||
5323 cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI_LIST))
5324 return ICE_ERR_NOT_IMPL;
5326 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
5327 /* Only one entry existed in the mapping and it was not already
5328 * a part of a VSI list. So, create a VSI list with the old and
5331 struct ice_fltr_info tmp_fltr;
5332 u16 vsi_handle_arr[2];
5334 /* A rule already exists with the new VSI being added */
5335 if (cur_fltr->sw_act.fwd_id.hw_vsi_id ==
5336 new_fltr->sw_act.fwd_id.hw_vsi_id)
5337 return ICE_ERR_ALREADY_EXISTS;
5339 vsi_handle_arr[0] = cur_fltr->sw_act.vsi_handle;
5340 vsi_handle_arr[1] = new_fltr->sw_act.vsi_handle;
5341 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
5347 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
5348 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
5349 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
5350 /* Update the previous switch rule of "forward to VSI" to
5353 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
5357 cur_fltr->sw_act.fwd_id.vsi_list_id = vsi_list_id;
5358 cur_fltr->sw_act.fltr_act = ICE_FWD_TO_VSI_LIST;
5359 m_entry->vsi_list_info =
5360 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
5363 u16 vsi_handle = new_fltr->sw_act.vsi_handle;
5365 if (!m_entry->vsi_list_info)
5368 /* A rule already exists with the new VSI being added */
5369 if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle))
5372 /* Update the previously created VSI list set with
5373 * the new VSI ID passed in
5375 vsi_list_id = cur_fltr->sw_act.fwd_id.vsi_list_id;
5377 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
5379 ice_aqc_opc_update_sw_rules,
5381 /* update VSI list mapping info with new VSI ID */
5383 ice_set_bit(vsi_handle,
5384 m_entry->vsi_list_info->vsi_map);
5387 m_entry->vsi_count++;
5392 * ice_add_adv_rule - create an advanced switch rule
5393 * @hw: pointer to the hardware structure
5394 * @lkups: information on the words that needs to be looked up. All words
5395 * together makes one recipe
5396 * @lkups_cnt: num of entries in the lkups array
5397 * @rinfo: other information related to the rule that needs to be programmed
5398 * @added_entry: this will return recipe_id, rule_id and vsi_handle. should be
5399 * ignored is case of error.
5401 * This function can program only 1 rule at a time. The lkups is used to
5402 * describe the all the words that forms the "lookup" portion of the recipe.
5403 * These words can span multiple protocols. Callers to this function need to
5404 * pass in a list of protocol headers with lookup information along and mask
5405 * that determines which words are valid from the given protocol header.
5406 * rinfo describes other information related to this rule such as forwarding
5407 * IDs, priority of this rule, etc.
5410 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5411 u16 lkups_cnt, struct ice_adv_rule_info *rinfo,
5412 struct ice_rule_query_data *added_entry)
5414 struct ice_adv_fltr_mgmt_list_entry *m_entry, *adv_fltr = NULL;
5415 u16 rid = 0, i, pkt_len, rule_buf_sz, vsi_handle;
5416 struct ice_aqc_sw_rules_elem *s_rule;
5417 struct LIST_HEAD_TYPE *rule_head;
5418 struct ice_switch_info *sw;
5419 enum ice_status status;
5420 const u8 *pkt = NULL;
5424 return ICE_ERR_PARAM;
5426 for (i = 0; i < lkups_cnt; i++) {
5429 /* Validate match masks to make sure they match complete 16-bit
5432 ptr = (u16 *)&lkups->m_u;
5433 for (j = 0; j < sizeof(lkups->m_u) / sizeof(u16); j++)
5434 if (ptr[j] != 0 && ptr[j] != 0xffff)
5435 return ICE_ERR_PARAM;
5438 if (!(rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI ||
5439 rinfo->sw_act.fltr_act == ICE_FWD_TO_Q ||
5440 rinfo->sw_act.fltr_act == ICE_DROP_PACKET))
5443 vsi_handle = rinfo->sw_act.vsi_handle;
5444 if (!ice_is_vsi_valid(hw, vsi_handle))
5445 return ICE_ERR_PARAM;
5447 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI)
5448 rinfo->sw_act.fwd_id.hw_vsi_id =
5449 ice_get_hw_vsi_num(hw, vsi_handle);
5450 if (rinfo->sw_act.flag & ICE_FLTR_TX)
5451 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, vsi_handle);
5453 status = ice_add_adv_recipe(hw, lkups, lkups_cnt, rinfo, &rid);
5456 m_entry = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo);
5458 /* we have to add VSI to VSI_LIST and increment vsi_count.
5459 * Also Update VSI list so that we can change forwarding rule
5460 * if the rule already exists, we will check if it exists with
5461 * same vsi_id, if not then add it to the VSI list if it already
5462 * exists if not then create a VSI list and add the existing VSI
5463 * ID and the new VSI ID to the list
5464 * We will add that VSI to the list
5466 status = ice_adv_add_update_vsi_list(hw, m_entry,
5467 &m_entry->rule_info,
5470 added_entry->rid = rid;
5471 added_entry->rule_id = m_entry->rule_info.fltr_rule_id;
5472 added_entry->vsi_handle = rinfo->sw_act.vsi_handle;
5476 ice_find_dummy_packet(lkups, lkups_cnt, rinfo->tun_type, &pkt,
5478 rule_buf_sz = ICE_SW_RULE_RX_TX_NO_HDR_SIZE + pkt_len;
5479 s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rule_buf_sz);
5481 return ICE_ERR_NO_MEMORY;
5482 act |= ICE_SINGLE_ACT_LB_ENABLE | ICE_SINGLE_ACT_LAN_ENABLE;
5483 switch (rinfo->sw_act.fltr_act) {
5484 case ICE_FWD_TO_VSI:
5485 act |= (rinfo->sw_act.fwd_id.hw_vsi_id <<
5486 ICE_SINGLE_ACT_VSI_ID_S) & ICE_SINGLE_ACT_VSI_ID_M;
5487 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT;
5490 act |= ICE_SINGLE_ACT_TO_Q;
5491 act |= (rinfo->sw_act.fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
5492 ICE_SINGLE_ACT_Q_INDEX_M;
5494 case ICE_DROP_PACKET:
5495 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
5496 ICE_SINGLE_ACT_VALID_BIT;
5499 status = ICE_ERR_CFG;
5500 goto err_ice_add_adv_rule;
5503 /* set the rule LOOKUP type based on caller specified 'RX'
5504 * instead of hardcoding it to be either LOOKUP_TX/RX
5506 * for 'RX' set the source to be the port number
5507 * for 'TX' set the source to be the source HW VSI number (determined
5511 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX);
5512 s_rule->pdata.lkup_tx_rx.src =
5513 CPU_TO_LE16(hw->port_info->lport);
5515 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX);
5516 s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(rinfo->sw_act.src);
5519 s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(rid);
5520 s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
5522 ice_fill_adv_dummy_packet(lkups, lkups_cnt, rinfo->tun_type, s_rule,
5525 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule,
5526 rule_buf_sz, 1, ice_aqc_opc_add_sw_rules,
5529 goto err_ice_add_adv_rule;
5530 adv_fltr = (struct ice_adv_fltr_mgmt_list_entry *)
5531 ice_malloc(hw, sizeof(struct ice_adv_fltr_mgmt_list_entry));
5533 status = ICE_ERR_NO_MEMORY;
5534 goto err_ice_add_adv_rule;
5537 adv_fltr->lkups = (struct ice_adv_lkup_elem *)
5538 ice_memdup(hw, lkups, lkups_cnt * sizeof(*lkups),
5539 ICE_NONDMA_TO_NONDMA);
5540 if (!adv_fltr->lkups) {
5541 status = ICE_ERR_NO_MEMORY;
5542 goto err_ice_add_adv_rule;
5545 adv_fltr->lkups_cnt = lkups_cnt;
5546 adv_fltr->rule_info = *rinfo;
5547 adv_fltr->rule_info.fltr_rule_id =
5548 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
5549 sw = hw->switch_info;
5550 sw->recp_list[rid].adv_rule = true;
5551 rule_head = &sw->recp_list[rid].filt_rules;
5553 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI) {
5554 struct ice_fltr_info tmp_fltr;
5556 tmp_fltr.fltr_rule_id =
5557 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
5558 tmp_fltr.fltr_act = ICE_FWD_TO_VSI;
5559 tmp_fltr.fwd_id.hw_vsi_id =
5560 ice_get_hw_vsi_num(hw, vsi_handle);
5561 tmp_fltr.vsi_handle = vsi_handle;
5562 /* Update the previous switch rule of "forward to VSI" to
5565 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
5567 goto err_ice_add_adv_rule;
5568 adv_fltr->vsi_count = 1;
5571 /* Add rule entry to book keeping list */
5572 LIST_ADD(&adv_fltr->list_entry, rule_head);
5574 added_entry->rid = rid;
5575 added_entry->rule_id = adv_fltr->rule_info.fltr_rule_id;
5576 added_entry->vsi_handle = rinfo->sw_act.vsi_handle;
5578 err_ice_add_adv_rule:
5579 if (status && adv_fltr) {
5580 ice_free(hw, adv_fltr->lkups);
5581 ice_free(hw, adv_fltr);
5584 ice_free(hw, s_rule);
5590 * ice_adv_rem_update_vsi_list
5591 * @hw: pointer to the hardware structure
5592 * @vsi_handle: VSI handle of the VSI to remove
5593 * @fm_list: filter management entry for which the VSI list management needs to
5596 static enum ice_status
5597 ice_adv_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
5598 struct ice_adv_fltr_mgmt_list_entry *fm_list)
5600 struct ice_vsi_list_map_info *vsi_list_info;
5601 enum ice_sw_lkup_type lkup_type;
5602 enum ice_status status;
5605 if (fm_list->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST ||
5606 fm_list->vsi_count == 0)
5607 return ICE_ERR_PARAM;
5609 /* A rule with the VSI being removed does not exist */
5610 if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle))
5611 return ICE_ERR_DOES_NOT_EXIST;
5613 lkup_type = ICE_SW_LKUP_LAST;
5614 vsi_list_id = fm_list->rule_info.sw_act.fwd_id.vsi_list_id;
5615 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
5616 ice_aqc_opc_update_sw_rules,
5621 fm_list->vsi_count--;
5622 ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
5623 vsi_list_info = fm_list->vsi_list_info;
5624 if (fm_list->vsi_count == 1) {
5625 struct ice_fltr_info tmp_fltr;
5628 rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map,
5630 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
5631 return ICE_ERR_OUT_OF_RANGE;
5633 /* Make sure VSI list is empty before removing it below */
5634 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
5636 ice_aqc_opc_update_sw_rules,
5640 tmp_fltr.fltr_rule_id = fm_list->rule_info.fltr_rule_id;
5641 fm_list->rule_info.sw_act.fltr_act = ICE_FWD_TO_VSI;
5642 tmp_fltr.fltr_act = ICE_FWD_TO_VSI;
5643 tmp_fltr.fwd_id.hw_vsi_id =
5644 ice_get_hw_vsi_num(hw, rem_vsi_handle);
5645 fm_list->rule_info.sw_act.fwd_id.hw_vsi_id =
5646 ice_get_hw_vsi_num(hw, rem_vsi_handle);
5648 /* Update the previous switch rule of "MAC forward to VSI" to
5649 * "MAC fwd to VSI list"
5651 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
5653 ice_debug(hw, ICE_DBG_SW,
5654 "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
5655 tmp_fltr.fwd_id.hw_vsi_id, status);
5660 if (fm_list->vsi_count == 1) {
5661 /* Remove the VSI list since it is no longer used */
5662 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
5664 ice_debug(hw, ICE_DBG_SW,
5665 "Failed to remove VSI list %d, error %d\n",
5666 vsi_list_id, status);
5670 LIST_DEL(&vsi_list_info->list_entry);
5671 ice_free(hw, vsi_list_info);
5672 fm_list->vsi_list_info = NULL;
5679 * ice_rem_adv_rule - removes existing advanced switch rule
5680 * @hw: pointer to the hardware structure
5681 * @lkups: information on the words that needs to be looked up. All words
5682 * together makes one recipe
5683 * @lkups_cnt: num of entries in the lkups array
5684 * @rinfo: Its the pointer to the rule information for the rule
5686 * This function can be used to remove 1 rule at a time. The lkups is
5687 * used to describe all the words that forms the "lookup" portion of the
5688 * rule. These words can span multiple protocols. Callers to this function
5689 * need to pass in a list of protocol headers with lookup information along
5690 * and mask that determines which words are valid from the given protocol
5691 * header. rinfo describes other information related to this rule such as
5692 * forwarding IDs, priority of this rule, etc.
5695 ice_rem_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5696 u16 lkups_cnt, struct ice_adv_rule_info *rinfo)
5698 struct ice_adv_fltr_mgmt_list_entry *list_elem;
5699 struct ice_prot_lkup_ext lkup_exts;
5700 u16 rule_buf_sz, pkt_len, i, rid;
5701 enum ice_status status = ICE_SUCCESS;
5702 bool remove_rule = false;
5703 struct ice_lock *rule_lock; /* Lock to protect filter rule list */
5704 const u8 *pkt = NULL;
5707 ice_memset(&lkup_exts, 0, sizeof(lkup_exts), ICE_NONDMA_MEM);
5708 for (i = 0; i < lkups_cnt; i++) {
5711 if (lkups[i].type >= ICE_PROTOCOL_LAST)
5714 count = ice_fill_valid_words(&lkups[i], &lkup_exts);
5718 rid = ice_find_recp(hw, &lkup_exts);
5719 /* If did not find a recipe that match the existing criteria */
5720 if (rid == ICE_MAX_NUM_RECIPES)
5721 return ICE_ERR_PARAM;
5723 rule_lock = &hw->switch_info->recp_list[rid].filt_rule_lock;
5724 list_elem = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo);
5725 /* the rule is already removed */
5728 ice_acquire_lock(rule_lock);
5729 if (list_elem->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST) {
5731 } else if (list_elem->vsi_count > 1) {
5732 list_elem->vsi_list_info->ref_cnt--;
5733 remove_rule = false;
5734 vsi_handle = rinfo->sw_act.vsi_handle;
5735 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem);
5737 vsi_handle = rinfo->sw_act.vsi_handle;
5738 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem);
5740 ice_release_lock(rule_lock);
5743 if (list_elem->vsi_count == 0)
5746 ice_release_lock(rule_lock);
5748 struct ice_aqc_sw_rules_elem *s_rule;
5750 ice_find_dummy_packet(lkups, lkups_cnt, rinfo->tun_type, &pkt,
5752 rule_buf_sz = ICE_SW_RULE_RX_TX_NO_HDR_SIZE + pkt_len;
5754 (struct ice_aqc_sw_rules_elem *)ice_malloc(hw,
5757 return ICE_ERR_NO_MEMORY;
5758 s_rule->pdata.lkup_tx_rx.act = 0;
5759 s_rule->pdata.lkup_tx_rx.index =
5760 CPU_TO_LE16(list_elem->rule_info.fltr_rule_id);
5761 s_rule->pdata.lkup_tx_rx.hdr_len = 0;
5762 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule,
5764 ice_aqc_opc_remove_sw_rules, NULL);
5765 if (status == ICE_SUCCESS) {
5766 ice_acquire_lock(rule_lock);
5767 LIST_DEL(&list_elem->list_entry);
5768 ice_free(hw, list_elem->lkups);
5769 ice_free(hw, list_elem);
5770 ice_release_lock(rule_lock);
5772 ice_free(hw, s_rule);
5778 * ice_rem_adv_rule_by_id - removes existing advanced switch rule by ID
5779 * @hw: pointer to the hardware structure
5780 * @remove_entry: data struct which holds rule_id, VSI handle and recipe ID
5782 * This function is used to remove 1 rule at a time. The removal is based on
5783 * the remove_entry parameter. This function will remove rule for a given
5784 * vsi_handle with a given rule_id which is passed as parameter in remove_entry
5787 ice_rem_adv_rule_by_id(struct ice_hw *hw,
5788 struct ice_rule_query_data *remove_entry)
5790 struct ice_adv_fltr_mgmt_list_entry *list_itr;
5791 struct LIST_HEAD_TYPE *list_head;
5792 struct ice_adv_rule_info rinfo;
5793 struct ice_switch_info *sw;
5795 sw = hw->switch_info;
5796 if (!sw->recp_list[remove_entry->rid].recp_created)
5797 return ICE_ERR_PARAM;
5798 list_head = &sw->recp_list[remove_entry->rid].filt_rules;
5799 LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_adv_fltr_mgmt_list_entry,
5801 if (list_itr->rule_info.fltr_rule_id ==
5802 remove_entry->rule_id) {
5803 rinfo = list_itr->rule_info;
5804 rinfo.sw_act.vsi_handle = remove_entry->vsi_handle;
5805 return ice_rem_adv_rule(hw, list_itr->lkups,
5806 list_itr->lkups_cnt, &rinfo);
5809 return ICE_ERR_PARAM;
5813 * ice_rem_adv_for_vsi - removes existing advanced switch rules for a
5815 * @hw: pointer to the hardware structure
5816 * @vsi_handle: VSI handle for which we are supposed to remove all the rules.
5818 * This function is used to remove all the rules for a given VSI and as soon
5819 * as removing a rule fails, it will return immediately with the error code,
5820 * else it will return ICE_SUCCESS
5823 ice_rem_adv_rule_for_vsi(struct ice_hw *hw, u16 vsi_handle)
5825 struct ice_adv_fltr_mgmt_list_entry *list_itr;
5826 struct ice_vsi_list_map_info *map_info;
5827 struct LIST_HEAD_TYPE *list_head;
5828 struct ice_adv_rule_info rinfo;
5829 struct ice_switch_info *sw;
5830 enum ice_status status;
5831 u16 vsi_list_id = 0;
5834 sw = hw->switch_info;
5835 for (rid = 0; rid < ICE_MAX_NUM_RECIPES; rid++) {
5836 if (!sw->recp_list[rid].recp_created)
5838 if (!sw->recp_list[rid].adv_rule)
5840 list_head = &sw->recp_list[rid].filt_rules;
5842 LIST_FOR_EACH_ENTRY(list_itr, list_head,
5843 ice_adv_fltr_mgmt_list_entry, list_entry) {
5844 map_info = ice_find_vsi_list_entry(hw, rid, vsi_handle,
5848 rinfo = list_itr->rule_info;
5849 rinfo.sw_act.vsi_handle = vsi_handle;
5850 status = ice_rem_adv_rule(hw, list_itr->lkups,
5851 list_itr->lkups_cnt, &rinfo);
5861 * ice_replay_fltr - Replay all the filters stored by a specific list head
5862 * @hw: pointer to the hardware structure
5863 * @list_head: list for which filters needs to be replayed
5864 * @recp_id: Recipe ID for which rules need to be replayed
5866 static enum ice_status
5867 ice_replay_fltr(struct ice_hw *hw, u8 recp_id, struct LIST_HEAD_TYPE *list_head)
5869 struct ice_fltr_mgmt_list_entry *itr;
5870 struct LIST_HEAD_TYPE l_head;
5871 enum ice_status status = ICE_SUCCESS;
5873 if (LIST_EMPTY(list_head))
5876 /* Move entries from the given list_head to a temporary l_head so that
5877 * they can be replayed. Otherwise when trying to re-add the same
5878 * filter, the function will return already exists
5880 LIST_REPLACE_INIT(list_head, &l_head);
5882 /* Mark the given list_head empty by reinitializing it so filters
5883 * could be added again by *handler
5885 LIST_FOR_EACH_ENTRY(itr, &l_head, ice_fltr_mgmt_list_entry,
5887 struct ice_fltr_list_entry f_entry;
5889 f_entry.fltr_info = itr->fltr_info;
5890 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN) {
5891 status = ice_add_rule_internal(hw, recp_id, &f_entry);
5892 if (status != ICE_SUCCESS)
5897 /* Add a filter per VSI separately */
5902 ice_find_first_bit(itr->vsi_list_info->vsi_map,
5904 if (!ice_is_vsi_valid(hw, vsi_handle))
5907 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
5908 f_entry.fltr_info.vsi_handle = vsi_handle;
5909 f_entry.fltr_info.fwd_id.hw_vsi_id =
5910 ice_get_hw_vsi_num(hw, vsi_handle);
5911 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
5912 if (recp_id == ICE_SW_LKUP_VLAN)
5913 status = ice_add_vlan_internal(hw, &f_entry);
5915 status = ice_add_rule_internal(hw, recp_id,
5917 if (status != ICE_SUCCESS)
5922 /* Clear the filter management list */
5923 ice_rem_sw_rule_info(hw, &l_head);
5928 * ice_replay_all_fltr - replay all filters stored in bookkeeping lists
5929 * @hw: pointer to the hardware structure
5931 * NOTE: This function does not clean up partially added filters on error.
5932 * It is up to caller of the function to issue a reset or fail early.
5934 enum ice_status ice_replay_all_fltr(struct ice_hw *hw)
5936 struct ice_switch_info *sw = hw->switch_info;
5937 enum ice_status status = ICE_SUCCESS;
5940 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
5941 struct LIST_HEAD_TYPE *head = &sw->recp_list[i].filt_rules;
5943 status = ice_replay_fltr(hw, i, head);
5944 if (status != ICE_SUCCESS)
5951 * ice_replay_vsi_fltr - Replay filters for requested VSI
5952 * @hw: pointer to the hardware structure
5953 * @vsi_handle: driver VSI handle
5954 * @recp_id: Recipe ID for which rules need to be replayed
5955 * @list_head: list for which filters need to be replayed
5957 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle.
5958 * It is required to pass valid VSI handle.
5960 static enum ice_status
5961 ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id,
5962 struct LIST_HEAD_TYPE *list_head)
5964 struct ice_fltr_mgmt_list_entry *itr;
5965 enum ice_status status = ICE_SUCCESS;
5968 if (LIST_EMPTY(list_head))
5970 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
5972 LIST_FOR_EACH_ENTRY(itr, list_head, ice_fltr_mgmt_list_entry,
5974 struct ice_fltr_list_entry f_entry;
5976 f_entry.fltr_info = itr->fltr_info;
5977 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN &&
5978 itr->fltr_info.vsi_handle == vsi_handle) {
5979 /* update the src in case it is VSI num */
5980 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
5981 f_entry.fltr_info.src = hw_vsi_id;
5982 status = ice_add_rule_internal(hw, recp_id, &f_entry);
5983 if (status != ICE_SUCCESS)
5987 if (!itr->vsi_list_info ||
5988 !ice_is_bit_set(itr->vsi_list_info->vsi_map, vsi_handle))
5990 /* Clearing it so that the logic can add it back */
5991 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
5992 f_entry.fltr_info.vsi_handle = vsi_handle;
5993 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
5994 /* update the src in case it is VSI num */
5995 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
5996 f_entry.fltr_info.src = hw_vsi_id;
5997 if (recp_id == ICE_SW_LKUP_VLAN)
5998 status = ice_add_vlan_internal(hw, &f_entry);
6000 status = ice_add_rule_internal(hw, recp_id, &f_entry);
6001 if (status != ICE_SUCCESS)
6009 * ice_replay_vsi_adv_rule - Replay advanced rule for requested VSI
6010 * @hw: pointer to the hardware structure
6011 * @vsi_handle: driver VSI handle
6012 * @list_head: list for which filters need to be replayed
6014 * Replay the advanced rule for the given VSI.
6016 static enum ice_status
6017 ice_replay_vsi_adv_rule(struct ice_hw *hw, u16 vsi_handle,
6018 struct LIST_HEAD_TYPE *list_head)
6020 struct ice_rule_query_data added_entry = { 0 };
6021 struct ice_adv_fltr_mgmt_list_entry *adv_fltr;
6022 enum ice_status status = ICE_SUCCESS;
6024 if (LIST_EMPTY(list_head))
6026 LIST_FOR_EACH_ENTRY(adv_fltr, list_head, ice_adv_fltr_mgmt_list_entry,
6028 struct ice_adv_rule_info *rinfo = &adv_fltr->rule_info;
6029 u16 lk_cnt = adv_fltr->lkups_cnt;
6031 if (vsi_handle != rinfo->sw_act.vsi_handle)
6033 status = ice_add_adv_rule(hw, adv_fltr->lkups, lk_cnt, rinfo,
6042 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists
6043 * @hw: pointer to the hardware structure
6044 * @vsi_handle: driver VSI handle
6046 * Replays filters for requested VSI via vsi_handle.
6048 enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle)
6050 struct ice_switch_info *sw = hw->switch_info;
6051 enum ice_status status;
6054 /* Update the recipes that were created */
6055 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
6056 struct LIST_HEAD_TYPE *head;
6058 head = &sw->recp_list[i].filt_replay_rules;
6059 if (!sw->recp_list[i].adv_rule)
6060 status = ice_replay_vsi_fltr(hw, vsi_handle, i, head);
6062 status = ice_replay_vsi_adv_rule(hw, vsi_handle, head);
6063 if (status != ICE_SUCCESS)
6071 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules
6072 * @hw: pointer to the HW struct
6074 * Deletes the filter replay rules.
6076 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw)
6078 struct ice_switch_info *sw = hw->switch_info;
6084 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
6085 if (!LIST_EMPTY(&sw->recp_list[i].filt_replay_rules)) {
6086 struct LIST_HEAD_TYPE *l_head;
6088 l_head = &sw->recp_list[i].filt_replay_rules;
6089 if (!sw->recp_list[i].adv_rule)
6090 ice_rem_sw_rule_info(hw, l_head);
6092 ice_rem_adv_rule_info(hw, l_head);