1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2021 Broadcom
6 #include <rte_malloc.h>
8 #include "bnxt_tf_common.h"
10 #include "ulp_template_struct.h"
11 #include "ulp_mapper.h"
12 #include "ulp_flow_db.h"
13 #include "ulp_fc_mgr.h"
16 #define ULP_FLOW_DB_RES_DIR_BIT 31
17 #define ULP_FLOW_DB_RES_DIR_MASK 0x80000000
18 #define ULP_FLOW_DB_RES_FUNC_BITS 28
19 #define ULP_FLOW_DB_RES_FUNC_MASK 0x70000000
20 #define ULP_FLOW_DB_RES_NXT_MASK 0x0FFFFFFF
21 #define ULP_FLOW_DB_RES_FUNC_UPPER 5
22 #define ULP_FLOW_DB_RES_FUNC_NEED_LOWER 0x80
23 #define ULP_FLOW_DB_RES_FUNC_LOWER_MASK 0x1F
25 /* Macro to copy the nxt_resource_idx */
26 #define ULP_FLOW_DB_RES_NXT_SET(dst, src) {(dst) |= ((src) &\
27 ULP_FLOW_DB_RES_NXT_MASK); }
28 #define ULP_FLOW_DB_RES_NXT_RESET(dst) ((dst) &= ~(ULP_FLOW_DB_RES_NXT_MASK))
31 * Helper function to set the bit in the active flows
32 * No validation is done in this function.
34 * flow_db [in] Ptr to flow database
35 * flow_type [in] - specify default or regular
36 * idx [in] The index to bit to be set or reset.
37 * flag [in] 1 to set and 0 to reset.
42 ulp_flow_db_active_flows_bit_set(struct bnxt_ulp_flow_db *flow_db,
43 enum bnxt_ulp_fdb_type flow_type,
47 struct bnxt_ulp_flow_tbl *f_tbl = &flow_db->flow_tbl;
48 uint32_t a_idx = idx / ULP_INDEX_BITMAP_SIZE;
51 if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR || flow_type ==
52 BNXT_ULP_FDB_TYPE_RID)
53 ULP_INDEX_BITMAP_SET(f_tbl->active_reg_flows[a_idx],
55 if (flow_type == BNXT_ULP_FDB_TYPE_DEFAULT || flow_type ==
56 BNXT_ULP_FDB_TYPE_RID)
57 ULP_INDEX_BITMAP_SET(f_tbl->active_dflt_flows[a_idx],
60 if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR || flow_type ==
61 BNXT_ULP_FDB_TYPE_RID)
62 ULP_INDEX_BITMAP_RESET(f_tbl->active_reg_flows[a_idx],
64 if (flow_type == BNXT_ULP_FDB_TYPE_DEFAULT || flow_type ==
65 BNXT_ULP_FDB_TYPE_RID)
66 ULP_INDEX_BITMAP_RESET(f_tbl->active_dflt_flows[a_idx],
72 * Helper function to check if given fid is active flow.
73 * No validation being done in this function.
75 * flow_db [in] Ptr to flow database
76 * flow_type [in] - specify default or regular
77 * idx [in] The index to bit to be set or reset.
79 * returns 1 on set or 0 if not set.
82 ulp_flow_db_active_flows_bit_is_set(struct bnxt_ulp_flow_db *flow_db,
83 enum bnxt_ulp_fdb_type flow_type,
86 struct bnxt_ulp_flow_tbl *f_tbl = &flow_db->flow_tbl;
87 uint32_t a_idx = idx / ULP_INDEX_BITMAP_SIZE;
90 reg = ULP_INDEX_BITMAP_GET(f_tbl->active_reg_flows[a_idx], idx);
91 dflt = ULP_INDEX_BITMAP_GET(f_tbl->active_dflt_flows[a_idx], idx);
94 case BNXT_ULP_FDB_TYPE_REGULAR:
95 return (reg && !dflt);
96 case BNXT_ULP_FDB_TYPE_DEFAULT:
97 return (!reg && dflt);
98 case BNXT_ULP_FDB_TYPE_RID:
105 static inline enum tf_dir
106 ulp_flow_db_resource_dir_get(struct ulp_fdb_resource_info *res_info)
108 return ((res_info->nxt_resource_idx & ULP_FLOW_DB_RES_DIR_MASK) >>
109 ULP_FLOW_DB_RES_DIR_BIT);
113 ulp_flow_db_resource_func_get(struct ulp_fdb_resource_info *res_info)
117 func = (((res_info->nxt_resource_idx & ULP_FLOW_DB_RES_FUNC_MASK) >>
118 ULP_FLOW_DB_RES_FUNC_BITS) << ULP_FLOW_DB_RES_FUNC_UPPER);
119 /* The reource func is split into upper and lower */
120 if (func & ULP_FLOW_DB_RES_FUNC_NEED_LOWER)
121 return (func | res_info->resource_func_lower);
126 * Helper function to copy the resource params to resource info
127 * No validation being done in this function.
129 * resource_info [out] Ptr to resource information
130 * params [in] The input params from the caller
134 ulp_flow_db_res_params_to_info(struct ulp_fdb_resource_info *resource_info,
135 struct ulp_flow_db_res_params *params)
137 uint32_t resource_func;
139 resource_info->nxt_resource_idx |= ((params->direction <<
140 ULP_FLOW_DB_RES_DIR_BIT) &
141 ULP_FLOW_DB_RES_DIR_MASK);
142 resource_func = (params->resource_func >> ULP_FLOW_DB_RES_FUNC_UPPER);
143 resource_info->nxt_resource_idx |= ((resource_func <<
144 ULP_FLOW_DB_RES_FUNC_BITS) &
145 ULP_FLOW_DB_RES_FUNC_MASK);
147 if (params->resource_func & ULP_FLOW_DB_RES_FUNC_NEED_LOWER) {
148 /* Break the resource func into two parts */
149 resource_func = (params->resource_func &
150 ULP_FLOW_DB_RES_FUNC_LOWER_MASK);
151 resource_info->resource_func_lower = resource_func;
154 /* Store the handle as 64bit only for EM table entries */
155 if (params->resource_func != BNXT_ULP_RESOURCE_FUNC_EM_TABLE) {
156 resource_info->resource_hndl = (uint32_t)params->resource_hndl;
157 resource_info->resource_type = params->resource_type;
158 resource_info->resource_sub_type = params->resource_sub_type;
159 resource_info->fdb_flags = params->fdb_flags;
161 resource_info->resource_em_handle = params->resource_hndl;
166 * Helper function to copy the resource params to resource info
167 * No validation being done in this function.
169 * resource_info [in] Ptr to resource information
170 * params [out] The output params to the caller
175 ulp_flow_db_res_info_to_params(struct ulp_fdb_resource_info *resource_info,
176 struct ulp_flow_db_res_params *params)
178 memset(params, 0, sizeof(struct ulp_flow_db_res_params));
180 /* use the helper function to get the resource func */
181 params->direction = ulp_flow_db_resource_dir_get(resource_info);
182 params->resource_func = ulp_flow_db_resource_func_get(resource_info);
184 if (params->resource_func == BNXT_ULP_RESOURCE_FUNC_EM_TABLE) {
185 params->resource_hndl = resource_info->resource_em_handle;
186 } else if (params->resource_func & ULP_FLOW_DB_RES_FUNC_NEED_LOWER) {
187 params->resource_hndl = resource_info->resource_hndl;
188 params->resource_type = resource_info->resource_type;
189 params->resource_sub_type = resource_info->resource_sub_type;
190 params->fdb_flags = resource_info->fdb_flags;
195 * Helper function to allocate the flow table and initialize
196 * the stack for allocation operations.
198 * flow_db [in] Ptr to flow database structure
200 * Returns 0 on success or negative number on failure.
203 ulp_flow_db_alloc_resource(struct bnxt_ulp_flow_db *flow_db)
206 struct bnxt_ulp_flow_tbl *flow_tbl;
209 flow_tbl = &flow_db->flow_tbl;
211 size = sizeof(struct ulp_fdb_resource_info) * flow_tbl->num_resources;
212 flow_tbl->flow_resources =
213 rte_zmalloc("ulp_fdb_resource_info", size, 0);
215 if (!flow_tbl->flow_resources) {
216 BNXT_TF_DBG(ERR, "Failed to alloc memory for flow table\n");
219 size = sizeof(uint32_t) * flow_tbl->num_resources;
220 flow_tbl->flow_tbl_stack = rte_zmalloc("flow_tbl_stack", size, 0);
221 if (!flow_tbl->flow_tbl_stack) {
222 BNXT_TF_DBG(ERR, "Failed to alloc memory flow tbl stack\n");
225 size = (flow_tbl->num_flows / sizeof(uint64_t)) + 1;
226 size = ULP_BYTE_ROUND_OFF_8(size);
227 flow_tbl->active_reg_flows = rte_zmalloc("active reg flows", size,
228 ULP_BUFFER_ALIGN_64_BYTE);
229 if (!flow_tbl->active_reg_flows) {
230 BNXT_TF_DBG(ERR, "Failed to alloc memory active reg flows\n");
234 flow_tbl->active_dflt_flows = rte_zmalloc("active dflt flows", size,
235 ULP_BUFFER_ALIGN_64_BYTE);
236 if (!flow_tbl->active_dflt_flows) {
237 BNXT_TF_DBG(ERR, "Failed to alloc memory active dflt flows\n");
241 /* Initialize the stack table. */
242 for (idx = 0; idx < flow_tbl->num_resources; idx++)
243 flow_tbl->flow_tbl_stack[idx] = idx;
245 /* Ignore the first element in the list. */
246 flow_tbl->head_index = 1;
247 /* Tail points to the last entry in the list. */
248 flow_tbl->tail_index = flow_tbl->num_resources - 1;
253 * Helper function to deallocate the flow table.
255 * flow_db [in] Ptr to flow database structure
260 ulp_flow_db_dealloc_resource(struct bnxt_ulp_flow_db *flow_db)
262 struct bnxt_ulp_flow_tbl *flow_tbl = &flow_db->flow_tbl;
264 /* Free all the allocated tables in the flow table. */
265 if (flow_tbl->active_reg_flows) {
266 rte_free(flow_tbl->active_reg_flows);
267 flow_tbl->active_reg_flows = NULL;
269 if (flow_tbl->active_dflt_flows) {
270 rte_free(flow_tbl->active_dflt_flows);
271 flow_tbl->active_dflt_flows = NULL;
274 if (flow_tbl->flow_tbl_stack) {
275 rte_free(flow_tbl->flow_tbl_stack);
276 flow_tbl->flow_tbl_stack = NULL;
279 if (flow_tbl->flow_resources) {
280 rte_free(flow_tbl->flow_resources);
281 flow_tbl->flow_resources = NULL;
286 * Helper function to add function id to the flow table
288 * flow_db [in] Ptr to flow table
289 * flow_id [in] The flow id of the flow
290 * func_id [in] The func_id to be set, for reset pass zero
295 ulp_flow_db_func_id_set(struct bnxt_ulp_flow_db *flow_db,
299 /* set the function id in the function table */
300 if (flow_id < flow_db->func_id_tbl_size)
301 flow_db->func_id_tbl[flow_id] = func_id;
302 else /* This should never happen */
303 BNXT_TF_DBG(ERR, "Invalid flow id, flowdb corrupt\n");
307 * Initialize the parent-child database. Memory is allocated in this
308 * call and assigned to the database
310 * flow_db [in] Ptr to flow table
311 * num_entries[in] - number of entries to allocate
313 * Returns 0 on success or negative number on failure.
316 ulp_flow_db_parent_tbl_init(struct bnxt_ulp_flow_db *flow_db,
317 uint32_t num_entries)
319 struct ulp_fdb_parent_child_db *p_db;
325 /* update the sizes for the allocation */
326 p_db = &flow_db->parent_child_db;
327 p_db->child_bitset_size = (flow_db->flow_tbl.num_flows /
328 sizeof(uint64_t)) + 1; /* size in bytes */
329 p_db->child_bitset_size = ULP_BYTE_ROUND_OFF_8(p_db->child_bitset_size);
330 p_db->entries_count = num_entries;
332 /* allocate the memory */
333 p_db->parent_flow_tbl = rte_zmalloc("fdb parent flow tbl",
334 sizeof(struct ulp_fdb_parent_info) *
335 p_db->entries_count, 0);
336 if (!p_db->parent_flow_tbl) {
338 "Failed to allocate memory fdb parent flow tbl\n");
341 size = p_db->child_bitset_size * p_db->entries_count;
344 * allocate the big chunk of memory to be statically carved into
345 * child_fid_bitset pointer.
347 p_db->parent_flow_tbl_mem = rte_zmalloc("fdb parent flow tbl mem",
349 ULP_BUFFER_ALIGN_64_BYTE);
350 if (!p_db->parent_flow_tbl_mem) {
352 "Failed to allocate memory fdb parent flow mem\n");
356 /* set the pointers in parent table to their offsets */
357 for (idx = 0 ; idx < p_db->entries_count; idx++) {
358 p_db->parent_flow_tbl[idx].child_fid_bitset =
359 (uint64_t *)&p_db->parent_flow_tbl_mem[idx *
360 p_db->child_bitset_size];
367 * Deinitialize the parent-child database. Memory is deallocated in
368 * this call and all flows should have been purged before this
371 * flow_db [in] Ptr to flow table
376 ulp_flow_db_parent_tbl_deinit(struct bnxt_ulp_flow_db *flow_db)
378 /* free the memory related to parent child database */
379 if (flow_db->parent_child_db.parent_flow_tbl_mem) {
380 rte_free(flow_db->parent_child_db.parent_flow_tbl_mem);
381 flow_db->parent_child_db.parent_flow_tbl_mem = NULL;
383 if (flow_db->parent_child_db.parent_flow_tbl) {
384 rte_free(flow_db->parent_child_db.parent_flow_tbl);
385 flow_db->parent_child_db.parent_flow_tbl = NULL;
389 /* internal validation function for parent flow tbl */
390 static struct bnxt_ulp_flow_db *
391 ulp_flow_db_parent_arg_validation(struct bnxt_ulp_context *ulp_ctxt,
394 struct bnxt_ulp_flow_db *flow_db;
396 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
398 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
402 /* check for max flows */
403 if (fid >= flow_db->flow_tbl.num_flows || !fid) {
404 BNXT_TF_DBG(ERR, "Invalid flow index\n");
408 /* No support for parent child db then just exit */
409 if (!flow_db->parent_child_db.entries_count) {
410 BNXT_TF_DBG(ERR, "parent child db not supported\n");
418 * Set the tunnel index in the parent flow
420 * ulp_ctxt [in] Ptr to ulp_context
421 * parent_idx [in] The parent index of the parent flow entry
423 * returns index on success and negative on failure.
426 ulp_flow_db_parent_tun_idx_set(struct bnxt_ulp_context *ulp_ctxt,
427 uint32_t parent_idx, uint8_t tun_idx)
429 struct bnxt_ulp_flow_db *flow_db;
430 struct ulp_fdb_parent_child_db *p_pdb;
432 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
434 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
438 /* check for parent idx validity */
439 p_pdb = &flow_db->parent_child_db;
440 if (parent_idx >= p_pdb->entries_count ||
441 !p_pdb->parent_flow_tbl[parent_idx].parent_fid) {
442 BNXT_TF_DBG(ERR, "Invalid parent flow index %x\n", parent_idx);
446 p_pdb->parent_flow_tbl[parent_idx].tun_idx = tun_idx;
451 * Get the tunnel index from the parent flow
453 * ulp_ctxt [in] Ptr to ulp_context
454 * parent_fid [in] The flow id of the parent flow entry
456 * returns 0 if counter accum is set else -1.
459 ulp_flow_db_parent_tun_idx_get(struct bnxt_ulp_context *ulp_ctxt,
460 uint32_t parent_fid, uint8_t *tun_idx)
462 struct bnxt_ulp_flow_db *flow_db;
463 struct ulp_fdb_parent_child_db *p_pdb;
466 /* validate the arguments */
467 flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid);
469 BNXT_TF_DBG(ERR, "parent child db validation failed\n");
473 p_pdb = &flow_db->parent_child_db;
474 for (idx = 0; idx < p_pdb->entries_count; idx++) {
475 if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) {
476 *tun_idx = p_pdb->parent_flow_tbl[idx].tun_idx;
485 * Initialize the flow database. Memory is allocated in this
486 * call and assigned to the flow database.
488 * ulp_ctxt [in] Ptr to ulp context
490 * Returns 0 on success or negative number on failure.
493 ulp_flow_db_init(struct bnxt_ulp_context *ulp_ctxt)
495 struct bnxt_ulp_device_params *dparms;
496 struct bnxt_ulp_flow_tbl *flow_tbl;
497 struct bnxt_ulp_flow_db *flow_db;
498 uint32_t dev_id, num_flows;
499 enum bnxt_ulp_flow_mem_type mtype;
501 /* Get the dev specific number of flows that needed to be supported. */
502 if (bnxt_ulp_cntxt_dev_id_get(ulp_ctxt, &dev_id)) {
503 BNXT_TF_DBG(ERR, "Invalid device id\n");
507 dparms = bnxt_ulp_device_params_get(dev_id);
509 BNXT_TF_DBG(ERR, "could not fetch the device params\n");
513 flow_db = rte_zmalloc("bnxt_ulp_flow_db",
514 sizeof(struct bnxt_ulp_flow_db), 0);
517 "Failed to allocate memory for flow table ptr\n");
521 /* Attach the flow database to the ulp context. */
522 bnxt_ulp_cntxt_ptr2_flow_db_set(ulp_ctxt, flow_db);
524 /* Determine the number of flows based on EM type */
525 if (bnxt_ulp_cntxt_mem_type_get(ulp_ctxt, &mtype))
528 if (mtype == BNXT_ULP_FLOW_MEM_TYPE_INT)
529 num_flows = dparms->int_flow_db_num_entries;
531 num_flows = dparms->ext_flow_db_num_entries;
533 /* Populate the regular flow table limits. */
534 flow_tbl = &flow_db->flow_tbl;
535 flow_tbl->num_flows = num_flows + 1;
536 flow_tbl->num_resources = ((num_flows + 1) *
537 dparms->num_resources_per_flow);
539 /* Include the default flow table limits. */
540 flow_tbl->num_flows += (BNXT_FLOW_DB_DEFAULT_NUM_FLOWS + 1);
541 flow_tbl->num_resources += ((BNXT_FLOW_DB_DEFAULT_NUM_FLOWS + 1) *
542 BNXT_FLOW_DB_DEFAULT_NUM_RESOURCES);
544 /* Allocate the resource for the flow table. */
545 if (ulp_flow_db_alloc_resource(flow_db))
548 /* add 1 since we are not using index 0 for flow id */
549 flow_db->func_id_tbl_size = flow_tbl->num_flows + 1;
550 /* Allocate the function Id table */
551 flow_db->func_id_tbl = rte_zmalloc("bnxt_ulp_flow_db_func_id_table",
552 flow_db->func_id_tbl_size *
553 sizeof(uint16_t), 0);
554 if (!flow_db->func_id_tbl) {
556 "Failed to allocate mem for flow table func id\n");
559 /* initialize the parent child database */
560 if (ulp_flow_db_parent_tbl_init(flow_db,
561 dparms->fdb_parent_flow_entries)) {
563 "Failed to allocate mem for parent child db\n");
567 /* All good so return. */
568 BNXT_TF_DBG(INFO, "FlowDB initialized with %d flows.\n",
569 flow_tbl->num_flows);
572 ulp_flow_db_deinit(ulp_ctxt);
577 * Deinitialize the flow database. Memory is deallocated in
578 * this call and all flows should have been purged before this
581 * ulp_ctxt [in] Ptr to ulp context
583 * Returns 0 on success.
586 ulp_flow_db_deinit(struct bnxt_ulp_context *ulp_ctxt)
588 struct bnxt_ulp_flow_db *flow_db;
590 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
594 /* Detach the flow database from the ulp context. */
595 bnxt_ulp_cntxt_ptr2_flow_db_set(ulp_ctxt, NULL);
597 /* Free up all the memory. */
598 ulp_flow_db_parent_tbl_deinit(flow_db);
599 ulp_flow_db_dealloc_resource(flow_db);
600 rte_free(flow_db->func_id_tbl);
607 * Allocate the flow database entry
609 * ulp_ctxt [in] Ptr to ulp_context
610 * flow_type [in] - specify default or regular
611 * func_id [in].function id of the ingress port
612 * fid [out] The index to the flow entry
614 * returns 0 on success and negative on failure.
617 ulp_flow_db_fid_alloc(struct bnxt_ulp_context *ulp_ctxt,
618 enum bnxt_ulp_fdb_type flow_type,
622 struct bnxt_ulp_flow_db *flow_db;
623 struct bnxt_ulp_flow_tbl *flow_tbl;
625 *fid = 0; /* Initialize fid to invalid value */
626 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
628 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
632 if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) {
633 BNXT_TF_DBG(ERR, "Invalid flow type\n");
637 flow_tbl = &flow_db->flow_tbl;
638 /* check for max flows */
639 if (flow_tbl->num_flows <= flow_tbl->head_index) {
640 BNXT_TF_DBG(ERR, "Flow database has reached max flows\n");
643 if (flow_tbl->tail_index <= (flow_tbl->head_index + 1)) {
644 BNXT_TF_DBG(ERR, "Flow database has reached max resources\n");
647 *fid = flow_tbl->flow_tbl_stack[flow_tbl->head_index];
648 flow_tbl->head_index++;
650 /* Set the flow type */
651 ulp_flow_db_active_flows_bit_set(flow_db, flow_type, *fid, 1);
653 /* function id update is only valid for regular flow table */
654 if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR)
655 ulp_flow_db_func_id_set(flow_db, *fid, func_id);
657 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
658 BNXT_TF_DBG(ERR, "flow_id = %u:%u allocated\n", flow_type, *fid);
665 * Allocate the flow database entry.
666 * The params->critical_resource has to be set to 0 to allocate a new resource.
668 * ulp_ctxt [in] Ptr to ulp_context
669 * flow_type [in] Specify it is regular or default flow
670 * fid [in] The index to the flow entry
671 * params [in] The contents to be copied into resource
673 * returns 0 on success and negative on failure.
676 ulp_flow_db_resource_add(struct bnxt_ulp_context *ulp_ctxt,
677 enum bnxt_ulp_fdb_type flow_type,
679 struct ulp_flow_db_res_params *params)
681 struct bnxt_ulp_flow_db *flow_db;
682 struct bnxt_ulp_flow_tbl *flow_tbl;
683 struct ulp_fdb_resource_info *resource, *fid_resource;
684 struct bnxt_ulp_fc_info *ulp_fc_info;
687 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
689 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
693 if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) {
694 BNXT_TF_DBG(ERR, "Invalid flow type\n");
698 flow_tbl = &flow_db->flow_tbl;
699 /* check for max flows */
700 if (fid >= flow_tbl->num_flows || !fid) {
701 BNXT_TF_DBG(ERR, "Invalid flow index\n");
705 /* check if the flow is active or not */
706 if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, fid)) {
707 BNXT_TF_DBG(ERR, "flow does not exist %x:%x\n", flow_type, fid);
711 /* check for max resource */
712 if ((flow_tbl->head_index + 1) >= flow_tbl->tail_index) {
713 BNXT_TF_DBG(ERR, "Flow db has reached max resources\n");
716 fid_resource = &flow_tbl->flow_resources[fid];
718 if (params->critical_resource && fid_resource->resource_em_handle) {
719 BNXT_TF_DBG(DEBUG, "Ignore multiple critical resources\n");
720 /* Ignore the multiple critical resources */
721 params->critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
724 if (!params->critical_resource) {
725 /* Not the critical_resource so allocate a resource */
726 idx = flow_tbl->flow_tbl_stack[flow_tbl->tail_index];
727 resource = &flow_tbl->flow_resources[idx];
728 flow_tbl->tail_index--;
730 /* Update the chain list of resource*/
731 ULP_FLOW_DB_RES_NXT_SET(resource->nxt_resource_idx,
732 fid_resource->nxt_resource_idx);
733 /* update the contents */
734 ulp_flow_db_res_params_to_info(resource, params);
735 ULP_FLOW_DB_RES_NXT_RESET(fid_resource->nxt_resource_idx);
736 ULP_FLOW_DB_RES_NXT_SET(fid_resource->nxt_resource_idx,
739 /* critical resource. Just update the fid resource */
740 ulp_flow_db_res_params_to_info(fid_resource, params);
743 ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ulp_ctxt);
744 if (params->resource_type == TF_TBL_TYPE_ACT_STATS_64 &&
745 params->resource_sub_type ==
746 BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT &&
747 ulp_fc_info && ulp_fc_info->num_counters) {
748 /* Store the first HW counter ID for this table */
749 if (!ulp_fc_mgr_start_idx_isset(ulp_ctxt, params->direction))
750 ulp_fc_mgr_start_idx_set(ulp_ctxt, params->direction,
751 params->resource_hndl);
753 ulp_fc_mgr_cntr_set(ulp_ctxt, params->direction,
754 params->resource_hndl);
756 if (!ulp_fc_mgr_thread_isstarted(ulp_ctxt))
757 ulp_fc_mgr_thread_start(ulp_ctxt);
760 /* all good, return success */
765 * Free the flow database entry.
766 * The params->critical_resource has to be set to 1 to free the first resource.
768 * ulp_ctxt [in] Ptr to ulp_context
769 * flow_type [in] Specify it is regular or default flow
770 * fid [in] The index to the flow entry
771 * params [in/out] The contents to be copied into params.
772 * Onlythe critical_resource needs to be set by the caller.
774 * Returns 0 on success and negative on failure.
777 ulp_flow_db_resource_del(struct bnxt_ulp_context *ulp_ctxt,
778 enum bnxt_ulp_fdb_type flow_type,
780 struct ulp_flow_db_res_params *params)
782 struct bnxt_ulp_flow_db *flow_db;
783 struct bnxt_ulp_flow_tbl *flow_tbl;
784 struct ulp_fdb_resource_info *nxt_resource, *fid_resource;
785 uint32_t nxt_idx = 0;
786 struct bnxt_tun_cache_entry *tun_tbl;
790 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
792 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
796 if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) {
797 BNXT_TF_DBG(ERR, "Invalid flow type\n");
801 flow_tbl = &flow_db->flow_tbl;
802 /* check for max flows */
803 if (fid >= flow_tbl->num_flows || !fid) {
804 BNXT_TF_DBG(ERR, "Invalid flow index %x\n", fid);
808 /* check if the flow is active or not */
809 if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, fid)) {
810 BNXT_TF_DBG(ERR, "flow does not exist %x:%x\n", flow_type, fid);
814 fid_resource = &flow_tbl->flow_resources[fid];
815 if (!params->critical_resource) {
816 /* Not the critical resource so free the resource */
817 ULP_FLOW_DB_RES_NXT_SET(nxt_idx,
818 fid_resource->nxt_resource_idx);
820 /* reached end of resources */
823 nxt_resource = &flow_tbl->flow_resources[nxt_idx];
825 /* connect the fid resource to the next resource */
826 ULP_FLOW_DB_RES_NXT_RESET(fid_resource->nxt_resource_idx);
827 ULP_FLOW_DB_RES_NXT_SET(fid_resource->nxt_resource_idx,
828 nxt_resource->nxt_resource_idx);
830 /* update the contents to be given to caller */
831 ulp_flow_db_res_info_to_params(nxt_resource, params);
833 /* Delete the nxt_resource */
834 memset(nxt_resource, 0, sizeof(struct ulp_fdb_resource_info));
836 /* add it to the free list */
837 flow_tbl->tail_index++;
838 if (flow_tbl->tail_index >= flow_tbl->num_resources) {
839 BNXT_TF_DBG(ERR, "FlowDB:Tail reached max\n");
842 flow_tbl->flow_tbl_stack[flow_tbl->tail_index] = nxt_idx;
845 /* Critical resource. copy the contents and exit */
846 ulp_flow_db_res_info_to_params(fid_resource, params);
847 ULP_FLOW_DB_RES_NXT_SET(nxt_idx,
848 fid_resource->nxt_resource_idx);
849 memset(fid_resource, 0, sizeof(struct ulp_fdb_resource_info));
850 ULP_FLOW_DB_RES_NXT_SET(fid_resource->nxt_resource_idx,
854 /* Now that the HW Flow counter resource is deleted, reset it's
855 * corresponding slot in the SW accumulation table in the Flow Counter
858 if (params->resource_type == TF_TBL_TYPE_ACT_STATS_64 &&
859 params->resource_sub_type ==
860 BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT) {
861 ulp_fc_mgr_cntr_reset(ulp_ctxt, params->direction,
862 params->resource_hndl);
865 if (params->resource_func == BNXT_ULP_RESOURCE_FUNC_PARENT_FLOW) {
866 tun_tbl = bnxt_ulp_cntxt_ptr2_tun_tbl_get(ulp_ctxt);
870 rc = ulp_flow_db_parent_tun_idx_get(ulp_ctxt, fid, &tun_idx);
874 ulp_clear_tun_entry(tun_tbl, tun_idx);
877 /* all good, return success */
882 * Free the flow database entry
884 * ulp_ctxt [in] Ptr to ulp_context
885 * flow_type [in] - specify default or regular
886 * fid [in] The index to the flow entry
888 * returns 0 on success and negative on failure.
891 ulp_flow_db_fid_free(struct bnxt_ulp_context *ulp_ctxt,
892 enum bnxt_ulp_fdb_type flow_type,
895 struct bnxt_tun_cache_entry *tun_tbl;
896 struct bnxt_ulp_flow_tbl *flow_tbl;
897 struct bnxt_ulp_flow_db *flow_db;
899 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
901 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
905 if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) {
906 BNXT_TF_DBG(ERR, "Invalid flow type\n");
910 flow_tbl = &flow_db->flow_tbl;
912 /* check for limits of fid */
913 if (fid >= flow_tbl->num_flows || !fid) {
914 BNXT_TF_DBG(ERR, "Invalid flow index\n");
918 /* check if the flow is active or not */
919 if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, fid)) {
920 BNXT_TF_DBG(ERR, "flow does not exist %x:%x\n", flow_type, fid);
923 flow_tbl->head_index--;
924 if (!flow_tbl->head_index) {
925 BNXT_TF_DBG(ERR, "FlowDB: Head Ptr is zero\n");
929 flow_tbl->flow_tbl_stack[flow_tbl->head_index] = fid;
931 /* Clear the flows bitmap */
932 ulp_flow_db_active_flows_bit_set(flow_db, flow_type, fid, 0);
934 if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR)
935 ulp_flow_db_func_id_set(flow_db, fid, 0);
937 tun_tbl = bnxt_ulp_cntxt_ptr2_tun_tbl_get(ulp_ctxt);
941 ulp_clear_tun_inner_entry(tun_tbl, fid);
943 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
944 BNXT_TF_DBG(ERR, "flow_id = %u:%u freed\n", flow_type, fid);
946 /* all good, return success */
951 *Get the flow database entry details
953 * ulp_ctxt [in] Ptr to ulp_context
954 * flow_type [in] - specify default or regular
955 * fid [in] The index to the flow entry
956 * nxt_idx [in/out] the index to the next entry
957 * params [out] The contents to be copied into params.
959 * returns 0 on success and negative on failure.
962 ulp_flow_db_resource_get(struct bnxt_ulp_context *ulp_ctxt,
963 enum bnxt_ulp_fdb_type flow_type,
966 struct ulp_flow_db_res_params *params)
968 struct bnxt_ulp_flow_db *flow_db;
969 struct bnxt_ulp_flow_tbl *flow_tbl;
970 struct ulp_fdb_resource_info *nxt_resource, *fid_resource;
972 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
974 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
978 if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) {
979 BNXT_TF_DBG(ERR, "Invalid flow type\n");
983 flow_tbl = &flow_db->flow_tbl;
985 /* check for limits of fid */
986 if (fid >= flow_tbl->num_flows || !fid) {
987 BNXT_TF_DBG(ERR, "Invalid flow index\n");
991 /* check if the flow is active or not */
992 if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, fid)) {
993 BNXT_TF_DBG(ERR, "flow does not exist\n");
998 fid_resource = &flow_tbl->flow_resources[fid];
999 ulp_flow_db_res_info_to_params(fid_resource, params);
1000 ULP_FLOW_DB_RES_NXT_SET(*nxt_idx,
1001 fid_resource->nxt_resource_idx);
1003 nxt_resource = &flow_tbl->flow_resources[*nxt_idx];
1004 ulp_flow_db_res_info_to_params(nxt_resource, params);
1006 ULP_FLOW_DB_RES_NXT_SET(*nxt_idx,
1007 nxt_resource->nxt_resource_idx);
1010 /* all good, return success */
1015 * Get the flow database entry iteratively
1017 * flow_tbl [in] Ptr to flow table
1018 * flow_type [in] - specify default or regular
1019 * fid [in/out] The index to the flow entry
1021 * returns 0 on success and negative on failure.
1024 ulp_flow_db_next_entry_get(struct bnxt_ulp_flow_db *flow_db,
1025 enum bnxt_ulp_fdb_type flow_type,
1028 uint32_t lfid = *fid;
1029 uint32_t idx, s_idx, mod_fid;
1031 uint64_t *active_flows;
1032 struct bnxt_ulp_flow_tbl *flowtbl = &flow_db->flow_tbl;
1034 if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR) {
1035 active_flows = flowtbl->active_reg_flows;
1036 } else if (flow_type == BNXT_ULP_FDB_TYPE_DEFAULT) {
1037 active_flows = flowtbl->active_dflt_flows;
1039 BNXT_TF_DBG(ERR, "Invalid flow type %x\n", flow_type);
1044 /* increment the flow id to find the next valid flow id */
1046 if (lfid >= flowtbl->num_flows)
1048 idx = lfid / ULP_INDEX_BITMAP_SIZE;
1049 mod_fid = lfid % ULP_INDEX_BITMAP_SIZE;
1051 while (!(bs = active_flows[idx])) {
1053 if ((idx * ULP_INDEX_BITMAP_SIZE) >= flowtbl->num_flows)
1057 * remove the previous bits in the bitset bs to find the
1058 * next non zero bit in the bitset. This needs to be done
1059 * only if the idx is same as he one you started.
1062 bs &= (-1UL >> mod_fid);
1063 lfid = (idx * ULP_INDEX_BITMAP_SIZE) + __builtin_clzl(bs);
1065 BNXT_TF_DBG(ERR, "Flow Database is corrupt\n");
1068 } while (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type,
1071 /* all good, return success */
1077 * Flush all flows in the flow database.
1079 * ulp_ctxt [in] Ptr to ulp context
1080 * flow_type [in] - specify default or regular
1082 * returns 0 on success or negative number on failure
1085 ulp_flow_db_flush_flows(struct bnxt_ulp_context *ulp_ctx,
1086 enum bnxt_ulp_fdb_type flow_type)
1089 struct bnxt_ulp_flow_db *flow_db;
1092 BNXT_TF_DBG(ERR, "Invalid Argument\n");
1096 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctx);
1098 BNXT_TF_DBG(ERR, "Flow database not found\n");
1101 if (bnxt_ulp_cntxt_acquire_fdb_lock(ulp_ctx)) {
1102 BNXT_TF_DBG(ERR, "Flow db lock acquire failed\n");
1106 while (!ulp_flow_db_next_entry_get(flow_db, flow_type, &fid))
1107 ulp_mapper_resources_free(ulp_ctx, flow_type, fid);
1109 bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx);
1115 * Flush all flows in the flow database that belong to a device function.
1117 * ulp_ctxt [in] Ptr to ulp context
1118 * func_id [in] - The port function id
1120 * returns 0 on success or negative number on failure
1123 ulp_flow_db_function_flow_flush(struct bnxt_ulp_context *ulp_ctx,
1126 uint32_t flow_id = 0;
1127 struct bnxt_ulp_flow_db *flow_db;
1129 if (!ulp_ctx || !func_id) {
1130 BNXT_TF_DBG(ERR, "Invalid Argument\n");
1134 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctx);
1136 BNXT_TF_DBG(ERR, "Flow database not found\n");
1139 if (bnxt_ulp_cntxt_acquire_fdb_lock(ulp_ctx)) {
1140 BNXT_TF_DBG(ERR, "Flow db lock acquire failed\n");
1144 while (!ulp_flow_db_next_entry_get(flow_db, BNXT_ULP_FDB_TYPE_REGULAR,
1146 if (flow_db->func_id_tbl[flow_id] == func_id)
1147 ulp_mapper_resources_free(ulp_ctx,
1148 BNXT_ULP_FDB_TYPE_REGULAR,
1151 bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx);
1156 * Flush all flows in the flow database that are associated with the session.
1158 * ulp_ctxt [in] Ptr to ulp context
1160 * returns 0 on success or negative number on failure
1163 ulp_flow_db_session_flow_flush(struct bnxt_ulp_context *ulp_ctx)
1166 * TBD: Tf core implementation of FW session flush shall change this
1169 return ulp_flow_db_flush_flows(ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR);
1173 * Check that flow id matches the function id or not
1175 * ulp_ctxt [in] Ptr to ulp context
1176 * flow_db [in] Ptr to flow table
1177 * func_id [in] The func_id to be set, for reset pass zero.
1179 * returns true on success or false on failure
1182 ulp_flow_db_validate_flow_func(struct bnxt_ulp_context *ulp_ctx,
1186 struct bnxt_ulp_flow_db *flow_db;
1188 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctx);
1190 BNXT_TF_DBG(ERR, "Flow database not found\n");
1194 /* set the function id in the function table */
1195 if (flow_id < flow_db->func_id_tbl_size && func_id &&
1196 flow_db->func_id_tbl[flow_id] == func_id)
1203 * Internal api to traverse the resource list within a flow
1204 * and match a resource based on resource func and resource
1205 * sub type. This api should be used only for resources that
1206 * are unique and do not have multiple instances of resource
1207 * func and sub type combination since it will return only
1211 ulp_flow_db_resource_params_get(struct bnxt_ulp_context *ulp_ctx,
1212 enum bnxt_ulp_fdb_type flow_type,
1214 uint32_t resource_func,
1215 uint32_t res_subtype,
1216 struct ulp_flow_db_res_params *params)
1218 struct bnxt_ulp_flow_db *flow_db;
1219 struct bnxt_ulp_flow_tbl *flow_tbl;
1220 struct ulp_fdb_resource_info *fid_res;
1223 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctx);
1225 BNXT_TF_DBG(ERR, "Flow database not found\n");
1230 BNXT_TF_DBG(ERR, "invalid argument\n");
1234 if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) {
1235 BNXT_TF_DBG(ERR, "Invalid flow type\n");
1239 flow_tbl = &flow_db->flow_tbl;
1241 /* check for limits of fid */
1242 if (flow_id >= flow_tbl->num_flows || !flow_id) {
1243 BNXT_TF_DBG(ERR, "Invalid flow index\n");
1247 /* check if the flow is active or not */
1248 if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, flow_id)) {
1249 BNXT_TF_DBG(ERR, "flow does not exist\n");
1252 /* Iterate the resource to get the resource handle */
1254 memset(params, 0, sizeof(struct ulp_flow_db_res_params));
1256 fid_res = &flow_tbl->flow_resources[res_id];
1257 if (ulp_flow_db_resource_func_get(fid_res) == resource_func) {
1258 if (resource_func & ULP_FLOW_DB_RES_FUNC_NEED_LOWER) {
1259 if (res_subtype == fid_res->resource_sub_type) {
1260 ulp_flow_db_res_info_to_params(fid_res,
1265 } else if (resource_func ==
1266 BNXT_ULP_RESOURCE_FUNC_EM_TABLE) {
1267 ulp_flow_db_res_info_to_params(fid_res,
1273 ULP_FLOW_DB_RES_NXT_SET(res_id, fid_res->nxt_resource_idx);
1279 * Api to get the cfa action pointer from a flow.
1281 * ulp_ctxt [in] Ptr to ulp context
1282 * flow_id [in] flow id
1283 * cfa_action [out] The resource handle stored in the flow database
1285 * returns 0 on success
1288 ulp_default_flow_db_cfa_action_get(struct bnxt_ulp_context *ulp_ctx,
1290 uint16_t *cfa_action)
1292 uint8_t sub_typ = BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_VFR_CFA_ACTION;
1293 struct ulp_flow_db_res_params params;
1296 rc = ulp_flow_db_resource_params_get(ulp_ctx,
1297 BNXT_ULP_FDB_TYPE_DEFAULT,
1299 BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE,
1302 BNXT_TF_DBG(INFO, "CFA Action ptr not found for flow id %u\n",
1306 *cfa_action = params.resource_hndl;
1311 * Allocate the entry in the parent-child database
1313 * ulp_ctxt [in] Ptr to ulp_context
1314 * fid [in] The flow id to the flow entry
1316 * returns index on success and negative on failure.
1319 ulp_flow_db_parent_flow_alloc(struct bnxt_ulp_context *ulp_ctxt,
1322 struct bnxt_ulp_flow_db *flow_db;
1323 struct ulp_fdb_parent_child_db *p_pdb;
1324 uint32_t idx, free_idx = 0;
1326 /* validate the arguments */
1327 flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, fid);
1329 BNXT_TF_DBG(ERR, "parent child db validation failed\n");
1333 p_pdb = &flow_db->parent_child_db;
1334 for (idx = 0; idx < p_pdb->entries_count; idx++) {
1335 if (p_pdb->parent_flow_tbl[idx].parent_fid == fid) {
1336 BNXT_TF_DBG(ERR, "fid is already allocated\n");
1339 if (!p_pdb->parent_flow_tbl[idx].parent_fid && !free_idx)
1344 BNXT_TF_DBG(ERR, "parent child db is full\n");
1349 /* set the Fid in the parent child */
1350 p_pdb->parent_flow_tbl[free_idx].parent_fid = fid;
1355 * Free the entry in the parent-child database
1357 * ulp_ctxt [in] Ptr to ulp_context
1358 * fid [in] The flow id to the flow entry
1360 * returns 0 on success and negative on failure.
1363 ulp_flow_db_parent_flow_free(struct bnxt_ulp_context *ulp_ctxt,
1366 struct bnxt_ulp_flow_db *flow_db;
1367 struct ulp_fdb_parent_child_db *p_pdb;
1370 /* validate the arguments */
1371 flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, fid);
1373 BNXT_TF_DBG(ERR, "parent child db validation failed\n");
1377 p_pdb = &flow_db->parent_child_db;
1378 for (idx = 0; idx < p_pdb->entries_count; idx++) {
1379 if (p_pdb->parent_flow_tbl[idx].parent_fid == fid) {
1380 /* free the contents */
1381 p_pdb->parent_flow_tbl[idx].parent_fid = 0;
1382 memset(p_pdb->parent_flow_tbl[idx].child_fid_bitset,
1383 0, p_pdb->child_bitset_size);
1387 BNXT_TF_DBG(ERR, "parent entry not found = %x\n", fid);
1392 * Set or reset the child flow in the parent-child database
1394 * ulp_ctxt [in] Ptr to ulp_context
1395 * parent_fid [in] The flow id of the parent flow entry
1396 * child_fid [in] The flow id of the child flow entry
1397 * set_flag [in] Use 1 for setting child, 0 to reset
1399 * returns zero on success and negative on failure.
1402 ulp_flow_db_parent_child_flow_set(struct bnxt_ulp_context *ulp_ctxt,
1403 uint32_t parent_fid,
1407 struct bnxt_ulp_flow_db *flow_db;
1408 struct ulp_fdb_parent_child_db *p_pdb;
1409 uint32_t idx, a_idx;
1412 /* validate the arguments */
1413 flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid);
1415 BNXT_TF_DBG(ERR, "parent child db validation failed\n");
1419 /* check for fid validity */
1420 if (child_fid >= flow_db->flow_tbl.num_flows || !child_fid) {
1421 BNXT_TF_DBG(ERR, "Invalid child flow index %x\n", child_fid);
1425 p_pdb = &flow_db->parent_child_db;
1426 a_idx = child_fid / ULP_INDEX_BITMAP_SIZE;
1427 for (idx = 0; idx < p_pdb->entries_count; idx++) {
1428 if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) {
1429 t = p_pdb->parent_flow_tbl[idx].child_fid_bitset;
1431 ULP_INDEX_BITMAP_SET(t[a_idx], child_fid);
1433 ULP_INDEX_BITMAP_RESET(t[a_idx], child_fid);
1437 BNXT_TF_DBG(ERR, "Unable to set the parent-child flow %x:%x\n",
1438 parent_fid, child_fid);
1443 * Get the parent index from the parent-child database
1445 * ulp_ctxt [in] Ptr to ulp_context
1446 * parent_fid [in] The flow id of the parent flow entry
1447 * parent_idx [out] The parent index of parent flow entry
1449 * returns zero on success and negative on failure.
1452 ulp_flow_db_parent_flow_idx_get(struct bnxt_ulp_context *ulp_ctxt,
1453 uint32_t parent_fid,
1454 uint32_t *parent_idx)
1456 struct bnxt_ulp_flow_db *flow_db;
1457 struct ulp_fdb_parent_child_db *p_pdb;
1460 /* validate the arguments */
1461 flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid);
1463 BNXT_TF_DBG(ERR, "parent child db validation failed\n");
1467 p_pdb = &flow_db->parent_child_db;
1468 for (idx = 0; idx < p_pdb->entries_count; idx++) {
1469 if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) {
1474 BNXT_TF_DBG(ERR, "Unable to get the parent flow %x\n", parent_fid);
1479 * Get the next child flow in the parent-child database
1481 * ulp_ctxt [in] Ptr to ulp_context
1482 * parent_fid [in] The flow id of the parent flow entry
1483 * child_fid [in/out] The flow id of the child flow entry
1485 * returns zero on success and negative on failure.
1486 * Pass child_fid as zero for first entry.
1489 ulp_flow_db_parent_child_flow_next_entry_get(struct bnxt_ulp_flow_db *flow_db,
1490 uint32_t parent_idx,
1491 uint32_t *child_fid)
1493 struct ulp_fdb_parent_child_db *p_pdb;
1494 uint32_t idx, s_idx, mod_fid;
1495 uint32_t next_fid = *child_fid;
1496 uint64_t *child_bitset;
1499 /* check for fid validity */
1500 p_pdb = &flow_db->parent_child_db;
1501 if (parent_idx >= p_pdb->entries_count ||
1502 !p_pdb->parent_flow_tbl[parent_idx].parent_fid) {
1503 BNXT_TF_DBG(ERR, "Invalid parent flow index %x\n", parent_idx);
1507 child_bitset = p_pdb->parent_flow_tbl[parent_idx].child_fid_bitset;
1509 /* increment the flow id to find the next valid flow id */
1511 if (next_fid >= flow_db->flow_tbl.num_flows)
1513 idx = next_fid / ULP_INDEX_BITMAP_SIZE;
1514 mod_fid = next_fid % ULP_INDEX_BITMAP_SIZE;
1516 while (!(bs = child_bitset[idx])) {
1518 if ((idx * ULP_INDEX_BITMAP_SIZE) >=
1519 flow_db->flow_tbl.num_flows)
1523 * remove the previous bits in the bitset bs to find the
1524 * next non zero bit in the bitset. This needs to be done
1525 * only if the idx is same as he one you started.
1528 bs &= (-1UL >> mod_fid);
1529 next_fid = (idx * ULP_INDEX_BITMAP_SIZE) + __builtin_clzl(bs);
1530 if (*child_fid >= next_fid) {
1531 BNXT_TF_DBG(ERR, "Parent Child Database is corrupt\n");
1534 idx = next_fid / ULP_INDEX_BITMAP_SIZE;
1535 } while (!ULP_INDEX_BITMAP_GET(child_bitset[idx], next_fid));
1536 *child_fid = next_fid;
1541 * Set the counter accumulation in the parent flow
1543 * ulp_ctxt [in] Ptr to ulp_context
1544 * parent_idx [in] The parent index of the parent flow entry
1546 * returns index on success and negative on failure.
1549 ulp_flow_db_parent_flow_count_accum_set(struct bnxt_ulp_context *ulp_ctxt,
1550 uint32_t parent_idx)
1552 struct bnxt_ulp_flow_db *flow_db;
1553 struct ulp_fdb_parent_child_db *p_pdb;
1555 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
1557 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
1561 /* check for parent idx validity */
1562 p_pdb = &flow_db->parent_child_db;
1563 if (parent_idx >= p_pdb->entries_count ||
1564 !p_pdb->parent_flow_tbl[parent_idx].parent_fid) {
1565 BNXT_TF_DBG(ERR, "Invalid parent flow index %x\n", parent_idx);
1569 p_pdb->parent_flow_tbl[parent_idx].counter_acc = 1;
1574 * Get the counter accumulation in the parent flow
1576 * ulp_ctxt [in] Ptr to ulp_context
1577 * parent_fid [in] The flow id of the parent flow entry
1579 * returns 0 if counter accum is set else -1.
1582 ulp_flow_db_parent_flow_count_accum_get(struct bnxt_ulp_context *ulp_ctxt,
1583 uint32_t parent_fid)
1585 struct bnxt_ulp_flow_db *flow_db;
1586 struct ulp_fdb_parent_child_db *p_pdb;
1589 /* validate the arguments */
1590 flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid);
1592 BNXT_TF_DBG(ERR, "parent child db validation failed\n");
1596 p_pdb = &flow_db->parent_child_db;
1597 for (idx = 0; idx < p_pdb->entries_count; idx++) {
1598 if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) {
1599 if (p_pdb->parent_flow_tbl[idx].counter_acc)
1608 * Orphan the child flow entry
1609 * This is called only for child flows that have
1610 * BNXT_ULP_RESOURCE_FUNC_CHILD_FLOW resource
1612 * ulp_ctxt [in] Ptr to ulp_context
1613 * flow_type [in] Specify it is regular or default flow
1614 * fid [in] The index to the flow entry
1616 * Returns 0 on success and negative on failure.
1619 ulp_flow_db_child_flow_reset(struct bnxt_ulp_context *ulp_ctxt,
1620 enum bnxt_ulp_fdb_type flow_type,
1623 struct bnxt_ulp_flow_db *flow_db;
1624 struct bnxt_ulp_flow_tbl *flow_tbl;
1625 struct ulp_fdb_resource_info *fid_res;
1626 uint32_t res_id = 0;
1628 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
1630 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
1634 if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) {
1635 BNXT_TF_DBG(ERR, "Invalid flow type\n");
1639 flow_tbl = &flow_db->flow_tbl;
1640 /* check for max flows */
1641 if (fid >= flow_tbl->num_flows || !fid) {
1642 BNXT_TF_DBG(ERR, "Invalid flow index %x\n", fid);
1646 /* check if the flow is active or not */
1647 if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, fid)) {
1648 BNXT_TF_DBG(ERR, "flow does not exist\n");
1652 /* Iterate the resource to get the resource handle */
1655 fid_res = &flow_tbl->flow_resources[res_id];
1656 if (ulp_flow_db_resource_func_get(fid_res) ==
1657 BNXT_ULP_RESOURCE_FUNC_CHILD_FLOW) {
1658 /* invalidate the resource details */
1659 fid_res->resource_hndl = 0;
1663 ULP_FLOW_DB_RES_NXT_SET(res_id, fid_res->nxt_resource_idx);
1670 * Create parent flow in the parent flow tbl
1672 * parms [in] Ptr to mapper params
1674 * Returns 0 on success and negative on failure.
1677 ulp_flow_db_parent_flow_create(struct bnxt_ulp_mapper_parms *parms)
1679 struct ulp_flow_db_res_params fid_parms;
1680 uint32_t sub_typ = BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT_ACC;
1681 struct ulp_flow_db_res_params res_params;
1682 int32_t fid_idx, rc;
1684 /* create the child flow entry in parent flow table */
1685 fid_idx = ulp_flow_db_parent_flow_alloc(parms->ulp_ctx, parms->fid);
1687 BNXT_TF_DBG(ERR, "Error in creating parent flow fid %x\n",
1692 /* Add the parent details in the resource list of the flow */
1693 memset(&fid_parms, 0, sizeof(fid_parms));
1694 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_PARENT_FLOW;
1695 fid_parms.resource_hndl = fid_idx;
1696 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1697 if (ulp_flow_db_resource_add(parms->ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR,
1698 parms->fid, &fid_parms)) {
1699 BNXT_TF_DBG(ERR, "Error in adding flow res for fid %x\n",
1704 /* check of the flow has internal counter accumulation enabled */
1705 if (!ulp_flow_db_resource_params_get(parms->ulp_ctx,
1706 BNXT_ULP_FDB_TYPE_REGULAR,
1708 BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE,
1711 /* Enable the counter accumulation in parent entry */
1712 if (ulp_flow_db_parent_flow_count_accum_set(parms->ulp_ctx,
1714 BNXT_TF_DBG(ERR, "Error in setting counter acc %x\n",
1720 rc = ulp_flow_db_parent_tun_idx_set(parms->ulp_ctx, fid_idx,
1723 BNXT_TF_DBG(ERR, "Error setting tun_idx in the parent flow\n");
1731 * Create child flow in the parent flow tbl
1733 * parms [in] Ptr to mapper params
1735 * Returns 0 on success and negative on failure.
1738 ulp_flow_db_child_flow_create(struct bnxt_ulp_mapper_parms *parms)
1740 struct ulp_flow_db_res_params fid_parms;
1741 uint32_t sub_type = BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT;
1742 enum bnxt_ulp_resource_func res_fun;
1743 struct ulp_flow_db_res_params res_p;
1744 uint32_t parent_fid = parms->parent_fid;
1747 /* create the parent flow entry in parent flow table */
1748 rc = ulp_flow_db_parent_child_flow_set(parms->ulp_ctx,
1752 BNXT_TF_DBG(ERR, "Error in setting child fid %x\n", parms->fid);
1756 /* Add the parent details in the resource list of the flow */
1757 memset(&fid_parms, 0, sizeof(fid_parms));
1758 fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_CHILD_FLOW;
1759 fid_parms.resource_hndl = parms->parent_fid;
1760 fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO;
1761 rc = ulp_flow_db_resource_add(parms->ulp_ctx,
1762 BNXT_ULP_FDB_TYPE_REGULAR,
1763 parms->fid, &fid_parms);
1765 BNXT_TF_DBG(ERR, "Error in adding flow res for fid %x\n",
1770 /* check if accumulation count is set for parent flow */
1771 rc = ulp_flow_db_parent_flow_count_accum_get(parms->ulp_ctx,
1774 /* check if internal count action included for this flow.*/
1775 res_fun = BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE;
1776 rc = ulp_flow_db_resource_params_get(parms->ulp_ctx,
1777 BNXT_ULP_FDB_TYPE_REGULAR,
1783 /* update the counter manager to include parent fid */
1784 if (ulp_fc_mgr_cntr_parent_flow_set(parms->ulp_ctx,
1786 res_p.resource_hndl,
1788 BNXT_TF_DBG(ERR, "Error in setting child %x\n",
1794 /* return success */
1799 * Update the parent counters
1801 * ulp_ctxt [in] Ptr to ulp_context
1802 * parent_fid [in] The flow id of the parent flow entry
1803 * packet_count [in] - packet count
1804 * byte_count [in] - byte count
1806 * returns 0 on success
1809 ulp_flow_db_parent_flow_count_update(struct bnxt_ulp_context *ulp_ctxt,
1810 uint32_t parent_fid,
1811 uint64_t packet_count,
1812 uint64_t byte_count)
1814 struct bnxt_ulp_flow_db *flow_db;
1815 struct ulp_fdb_parent_child_db *p_pdb;
1818 /* validate the arguments */
1819 flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid);
1821 BNXT_TF_DBG(ERR, "parent child db validation failed\n");
1825 p_pdb = &flow_db->parent_child_db;
1826 for (idx = 0; idx < p_pdb->entries_count; idx++) {
1827 if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) {
1828 if (p_pdb->parent_flow_tbl[idx].counter_acc) {
1829 p_pdb->parent_flow_tbl[idx].pkt_count +=
1831 p_pdb->parent_flow_tbl[idx].byte_count +=
1841 * Get the parent accumulation counters
1843 * ulp_ctxt [in] Ptr to ulp_context
1844 * parent_fid [in] The flow id of the parent flow entry
1845 * packet_count [out] - packet count
1846 * byte_count [out] - byte count
1848 * returns 0 on success
1851 ulp_flow_db_parent_flow_count_get(struct bnxt_ulp_context *ulp_ctxt,
1852 uint32_t parent_fid, uint64_t *packet_count,
1853 uint64_t *byte_count, uint8_t count_reset)
1855 struct bnxt_ulp_flow_db *flow_db;
1856 struct ulp_fdb_parent_child_db *p_pdb;
1859 /* validate the arguments */
1860 flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid);
1862 BNXT_TF_DBG(ERR, "parent child db validation failed\n");
1866 p_pdb = &flow_db->parent_child_db;
1867 for (idx = 0; idx < p_pdb->entries_count; idx++) {
1868 if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) {
1869 if (p_pdb->parent_flow_tbl[idx].counter_acc) {
1871 p_pdb->parent_flow_tbl[idx].pkt_count;
1873 p_pdb->parent_flow_tbl[idx].byte_count;
1875 p_pdb->parent_flow_tbl[idx].pkt_count = 0;
1876 p_pdb->parent_flow_tbl[idx].byte_count = 0;
1886 * reset the parent accumulation counters
1888 * ulp_ctxt [in] Ptr to ulp_context
1893 ulp_flow_db_parent_flow_count_reset(struct bnxt_ulp_context *ulp_ctxt)
1895 struct bnxt_ulp_flow_db *flow_db;
1896 struct ulp_fdb_parent_child_db *p_pdb;
1899 /* validate the arguments */
1900 flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, 1);
1902 BNXT_TF_DBG(ERR, "parent child db validation failed\n");
1906 p_pdb = &flow_db->parent_child_db;
1907 for (idx = 0; idx < p_pdb->entries_count; idx++) {
1908 if (p_pdb->parent_flow_tbl[idx].parent_fid &&
1909 p_pdb->parent_flow_tbl[idx].counter_acc) {
1910 p_pdb->parent_flow_tbl[idx].pkt_count = 0;
1911 p_pdb->parent_flow_tbl[idx].byte_count = 0;
1917 * Set the shared bit for the flow db entry
1919 * res [in] Ptr to fdb entry
1920 * shared [in] shared flag
1924 void ulp_flow_db_shared_session_set(struct ulp_flow_db_res_params *res,
1925 enum bnxt_ulp_shared_session shared)
1927 if (res && (shared & BNXT_ULP_SHARED_SESSION_YES))
1928 res->fdb_flags |= ULP_FDB_FLAG_SHARED_SESSION;
1931 #ifdef RTE_LIBRTE_BNXT_TRUFLOW_DEBUG
1933 * Dump the entry details
1935 * ulp_ctxt [in] Ptr to ulp_context
1939 static void ulp_flow_db_res_dump(struct ulp_fdb_resource_info *r,
1942 uint8_t res_func = ulp_flow_db_resource_func_get(r);
1944 BNXT_TF_DBG(DEBUG, "Resource func = %x, nxt_resource_idx = %x\n",
1945 res_func, (ULP_FLOW_DB_RES_NXT_MASK & r->nxt_resource_idx));
1946 if (res_func == BNXT_ULP_RESOURCE_FUNC_EM_TABLE)
1947 BNXT_TF_DBG(DEBUG, "EM Handle = 0x%016" PRIX64 "\n",
1948 r->resource_em_handle);
1950 BNXT_TF_DBG(DEBUG, "Handle = 0x%08x\n", r->resource_hndl);
1953 ULP_FLOW_DB_RES_NXT_SET(*nxt_res,
1954 r->nxt_resource_idx);
1958 * Dump the flow entry details
1960 * flow_db [in] Ptr to flow db
1966 ulp_flow_db_debug_fid_dump(struct bnxt_ulp_flow_db *flow_db, uint32_t fid)
1968 struct ulp_fdb_resource_info *r;
1969 struct bnxt_ulp_flow_tbl *flow_tbl;
1970 uint32_t nxt_res = 0;
1971 uint32_t def_flag = 0, reg_flag = 0;
1973 flow_tbl = &flow_db->flow_tbl;
1974 if (ulp_flow_db_active_flows_bit_is_set(flow_db,
1975 BNXT_ULP_FDB_TYPE_REGULAR, fid))
1977 if (ulp_flow_db_active_flows_bit_is_set(flow_db,
1978 BNXT_ULP_FDB_TYPE_DEFAULT, fid))
1981 if (reg_flag && def_flag)
1982 BNXT_TF_DBG(DEBUG, "RID = %u\n", fid);
1984 BNXT_TF_DBG(DEBUG, "Regular fid = %u and func id = %u\n",
1985 fid, flow_db->func_id_tbl[fid]);
1987 BNXT_TF_DBG(DEBUG, "Default fid = %u\n", fid);
1990 /* iterate the resource */
1993 r = &flow_tbl->flow_resources[nxt_res];
1994 ulp_flow_db_res_dump(r, &nxt_res);
1999 * Dump the flow database entry details
2001 * ulp_ctxt [in] Ptr to ulp_context
2002 * flow_id [in] if zero then all fids are dumped.
2006 int32_t ulp_flow_db_debug_dump(struct bnxt_ulp_context *ulp_ctxt,
2009 struct bnxt_ulp_flow_db *flow_db;
2010 struct bnxt_ulp_flow_tbl *flow_tbl;
2013 if (!ulp_ctxt || !ulp_ctxt->cfg_data) {
2014 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
2017 flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
2019 BNXT_TF_DBG(ERR, "Invalid Arguments\n");
2023 flow_tbl = &flow_db->flow_tbl;
2025 ulp_flow_db_debug_fid_dump(flow_db, flow_id);
2029 BNXT_TF_DBG(DEBUG, "Dump flows = %u:%u\n",
2030 flow_tbl->num_flows,
2031 flow_tbl->num_resources);
2032 BNXT_TF_DBG(DEBUG, "Head_index = %u, Tail_index = %u\n",
2033 flow_tbl->head_index, flow_tbl->tail_index);
2034 for (fid = 1; fid < flow_tbl->num_flows; fid++)
2035 ulp_flow_db_debug_fid_dump(flow_db, fid);
2036 BNXT_TF_DBG(DEBUG, "Done.\n");