X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Ftf_ulp%2Fulp_flow_db.c;h=ab6013f0e3348507786a29ac955b481168f91f47;hb=1e5acc5be59bae297e75d4ba14ee2b625df40fa1;hp=aed50785c8e02284e08948fd970192d586f286c2;hpb=edc6ca0cf94135f539f168bc5afa838bff25e890;p=dpdk.git diff --git a/drivers/net/bnxt/tf_ulp/ulp_flow_db.c b/drivers/net/bnxt/tf_ulp/ulp_flow_db.c index aed50785c8..ab6013f0e3 100644 --- a/drivers/net/bnxt/tf_ulp/ulp_flow_db.c +++ b/drivers/net/bnxt/tf_ulp/ulp_flow_db.c @@ -1,21 +1,26 @@ /* SPDX-License-Identifier: BSD-3-Clause - * Copyright(c) 2014-2020 Broadcom + * Copyright(c) 2014-2021 Broadcom * All rights reserved. */ #include #include "bnxt.h" #include "bnxt_tf_common.h" -#include "ulp_flow_db.h" #include "ulp_utils.h" #include "ulp_template_struct.h" #include "ulp_mapper.h" +#include "ulp_flow_db.h" +#include "ulp_fc_mgr.h" +#include "ulp_tun.h" #define ULP_FLOW_DB_RES_DIR_BIT 31 #define ULP_FLOW_DB_RES_DIR_MASK 0x80000000 #define ULP_FLOW_DB_RES_FUNC_BITS 28 #define ULP_FLOW_DB_RES_FUNC_MASK 0x70000000 #define ULP_FLOW_DB_RES_NXT_MASK 0x0FFFFFFF +#define ULP_FLOW_DB_RES_FUNC_UPPER 5 +#define ULP_FLOW_DB_RES_FUNC_NEED_LOWER 0x80 +#define ULP_FLOW_DB_RES_FUNC_LOWER_MASK 0x1F /* Macro to copy the nxt_resource_idx */ #define ULP_FLOW_DB_RES_NXT_SET(dst, src) {(dst) |= ((src) &\ @@ -23,49 +28,98 @@ #define ULP_FLOW_DB_RES_NXT_RESET(dst) ((dst) &= ~(ULP_FLOW_DB_RES_NXT_MASK)) /* - * Helper function to set the bit in the active flow table + * Helper function to set the bit in the active flows * No validation is done in this function. * - * flow_tbl [in] Ptr to flow table + * flow_db [in] Ptr to flow database + * flow_type [in] - specify default or regular * idx [in] The index to bit to be set or reset. * flag [in] 1 to set and 0 to reset. * * returns none */ static void -ulp_flow_db_active_flow_set(struct bnxt_ulp_flow_tbl *flow_tbl, - uint32_t idx, - uint32_t flag) +ulp_flow_db_active_flows_bit_set(struct bnxt_ulp_flow_db *flow_db, + enum bnxt_ulp_fdb_type flow_type, + uint32_t idx, + uint32_t flag) { - uint32_t active_index; - - active_index = idx / ULP_INDEX_BITMAP_SIZE; - if (flag) - ULP_INDEX_BITMAP_SET(flow_tbl->active_flow_tbl[active_index], - idx); - else - ULP_INDEX_BITMAP_RESET(flow_tbl->active_flow_tbl[active_index], - idx); + struct bnxt_ulp_flow_tbl *f_tbl = &flow_db->flow_tbl; + uint32_t a_idx = idx / ULP_INDEX_BITMAP_SIZE; + + if (flag) { + if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR || flow_type == + BNXT_ULP_FDB_TYPE_RID) + ULP_INDEX_BITMAP_SET(f_tbl->active_reg_flows[a_idx], + idx); + if (flow_type == BNXT_ULP_FDB_TYPE_DEFAULT || flow_type == + BNXT_ULP_FDB_TYPE_RID) + ULP_INDEX_BITMAP_SET(f_tbl->active_dflt_flows[a_idx], + idx); + } else { + if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR || flow_type == + BNXT_ULP_FDB_TYPE_RID) + ULP_INDEX_BITMAP_RESET(f_tbl->active_reg_flows[a_idx], + idx); + if (flow_type == BNXT_ULP_FDB_TYPE_DEFAULT || flow_type == + BNXT_ULP_FDB_TYPE_RID) + ULP_INDEX_BITMAP_RESET(f_tbl->active_dflt_flows[a_idx], + idx); + } } /* - * Helper function to allocate the flow table and initialize - * is set.No validation being done in this function. + * Helper function to check if given fid is active flow. + * No validation being done in this function. * - * flow_tbl [in] Ptr to flow table + * flow_db [in] Ptr to flow database + * flow_type [in] - specify default or regular * idx [in] The index to bit to be set or reset. * * returns 1 on set or 0 if not set. */ static int32_t -ulp_flow_db_active_flow_is_set(struct bnxt_ulp_flow_tbl *flow_tbl, - uint32_t idx) +ulp_flow_db_active_flows_bit_is_set(struct bnxt_ulp_flow_db *flow_db, + enum bnxt_ulp_fdb_type flow_type, + uint32_t idx) +{ + struct bnxt_ulp_flow_tbl *f_tbl = &flow_db->flow_tbl; + uint32_t a_idx = idx / ULP_INDEX_BITMAP_SIZE; + uint32_t reg, dflt; + + reg = ULP_INDEX_BITMAP_GET(f_tbl->active_reg_flows[a_idx], idx); + dflt = ULP_INDEX_BITMAP_GET(f_tbl->active_dflt_flows[a_idx], idx); + + switch (flow_type) { + case BNXT_ULP_FDB_TYPE_REGULAR: + return (reg && !dflt); + case BNXT_ULP_FDB_TYPE_DEFAULT: + return (!reg && dflt); + case BNXT_ULP_FDB_TYPE_RID: + return (reg && dflt); + default: + return 0; + } +} + +static inline enum tf_dir +ulp_flow_db_resource_dir_get(struct ulp_fdb_resource_info *res_info) { - uint32_t active_index; + return ((res_info->nxt_resource_idx & ULP_FLOW_DB_RES_DIR_MASK) >> + ULP_FLOW_DB_RES_DIR_BIT); +} - active_index = idx / ULP_INDEX_BITMAP_SIZE; - return ULP_INDEX_BITMAP_GET(flow_tbl->active_flow_tbl[active_index], - idx); +static uint8_t +ulp_flow_db_resource_func_get(struct ulp_fdb_resource_info *res_info) +{ + uint8_t func; + + func = (((res_info->nxt_resource_idx & ULP_FLOW_DB_RES_FUNC_MASK) >> + ULP_FLOW_DB_RES_FUNC_BITS) << ULP_FLOW_DB_RES_FUNC_UPPER); + /* The resource func is split into upper and lower */ + if (func & ULP_FLOW_DB_RES_FUNC_NEED_LOWER) + return (func | res_info->resource_func_lower); + return func; } /* @@ -77,20 +131,32 @@ ulp_flow_db_active_flow_is_set(struct bnxt_ulp_flow_tbl *flow_tbl, * returns none */ static void -ulp_flow_db_res_params_to_info(struct ulp_fdb_resource_info *resource_info, - struct ulp_flow_db_res_params *params) +ulp_flow_db_res_params_to_info(struct ulp_fdb_resource_info *resource_info, + struct ulp_flow_db_res_params *params) { + uint32_t resource_func; + resource_info->nxt_resource_idx |= ((params->direction << ULP_FLOW_DB_RES_DIR_BIT) & ULP_FLOW_DB_RES_DIR_MASK); - resource_info->nxt_resource_idx |= ((params->resource_func << + resource_func = (params->resource_func >> ULP_FLOW_DB_RES_FUNC_UPPER); + resource_info->nxt_resource_idx |= ((resource_func << ULP_FLOW_DB_RES_FUNC_BITS) & ULP_FLOW_DB_RES_FUNC_MASK); + if (params->resource_func & ULP_FLOW_DB_RES_FUNC_NEED_LOWER) { + /* Break the resource func into two parts */ + resource_func = (params->resource_func & + ULP_FLOW_DB_RES_FUNC_LOWER_MASK); + resource_info->resource_func_lower = resource_func; + } + + /* Store the handle as 64bit only for EM table entries */ if (params->resource_func != BNXT_ULP_RESOURCE_FUNC_EM_TABLE) { resource_info->resource_hndl = (uint32_t)params->resource_hndl; resource_info->resource_type = params->resource_type; - + resource_info->resource_sub_type = params->resource_sub_type; + resource_info->fdb_flags = params->fdb_flags; } else { resource_info->resource_em_handle = params->resource_hndl; } @@ -106,22 +172,22 @@ ulp_flow_db_res_params_to_info(struct ulp_fdb_resource_info *resource_info, * returns none */ static void -ulp_flow_db_res_info_to_params(struct ulp_fdb_resource_info *resource_info, - struct ulp_flow_db_res_params *params) +ulp_flow_db_res_info_to_params(struct ulp_fdb_resource_info *resource_info, + struct ulp_flow_db_res_params *params) { memset(params, 0, sizeof(struct ulp_flow_db_res_params)); - params->direction = ((resource_info->nxt_resource_idx & - ULP_FLOW_DB_RES_DIR_MASK) >> - ULP_FLOW_DB_RES_DIR_BIT); - params->resource_func = ((resource_info->nxt_resource_idx & - ULP_FLOW_DB_RES_FUNC_MASK) >> - ULP_FLOW_DB_RES_FUNC_BITS); - if (params->resource_func != BNXT_ULP_RESOURCE_FUNC_EM_TABLE) { + /* use the helper function to get the resource func */ + params->direction = ulp_flow_db_resource_dir_get(resource_info); + params->resource_func = ulp_flow_db_resource_func_get(resource_info); + + if (params->resource_func == BNXT_ULP_RESOURCE_FUNC_EM_TABLE) { + params->resource_hndl = resource_info->resource_em_handle; + } else if (params->resource_func & ULP_FLOW_DB_RES_FUNC_NEED_LOWER) { params->resource_hndl = resource_info->resource_hndl; params->resource_type = resource_info->resource_type; - } else { - params->resource_hndl = resource_info->resource_em_handle; + params->resource_sub_type = resource_info->resource_sub_type; + params->fdb_flags = resource_info->fdb_flags; } } @@ -130,19 +196,17 @@ ulp_flow_db_res_info_to_params(struct ulp_fdb_resource_info *resource_info, * the stack for allocation operations. * * flow_db [in] Ptr to flow database structure - * tbl_idx [in] The index to table creation. * * Returns 0 on success or negative number on failure. */ static int32_t -ulp_flow_db_alloc_resource(struct bnxt_ulp_flow_db *flow_db, - enum bnxt_ulp_flow_db_tables tbl_idx) +ulp_flow_db_alloc_resource(struct bnxt_ulp_flow_db *flow_db) { uint32_t idx = 0; struct bnxt_ulp_flow_tbl *flow_tbl; uint32_t size; - flow_tbl = &flow_db->flow_tbl[tbl_idx]; + flow_tbl = &flow_db->flow_tbl; size = sizeof(struct ulp_fdb_resource_info) * flow_tbl->num_resources; flow_tbl->flow_resources = @@ -159,9 +223,18 @@ ulp_flow_db_alloc_resource(struct bnxt_ulp_flow_db *flow_db, return -ENOMEM; } size = (flow_tbl->num_flows / sizeof(uint64_t)) + 1; - flow_tbl->active_flow_tbl = rte_zmalloc("active flow tbl", size, 0); - if (!flow_tbl->active_flow_tbl) { - BNXT_TF_DBG(ERR, "Failed to alloc memory active tbl\n"); + size = ULP_BYTE_ROUND_OFF_8(size); + flow_tbl->active_reg_flows = rte_zmalloc("active reg flows", size, + ULP_BUFFER_ALIGN_64_BYTE); + if (!flow_tbl->active_reg_flows) { + BNXT_TF_DBG(ERR, "Failed to alloc memory active reg flows\n"); + return -ENOMEM; + } + + flow_tbl->active_dflt_flows = rte_zmalloc("active dflt flows", size, + ULP_BUFFER_ALIGN_64_BYTE); + if (!flow_tbl->active_dflt_flows) { + BNXT_TF_DBG(ERR, "Failed to alloc memory active dflt flows\n"); return -ENOMEM; } @@ -180,22 +253,22 @@ ulp_flow_db_alloc_resource(struct bnxt_ulp_flow_db *flow_db, * Helper function to deallocate the flow table. * * flow_db [in] Ptr to flow database structure - * tbl_idx [in] The index to table creation. * * Returns none. */ static void -ulp_flow_db_dealloc_resource(struct bnxt_ulp_flow_db *flow_db, - enum bnxt_ulp_flow_db_tables tbl_idx) +ulp_flow_db_dealloc_resource(struct bnxt_ulp_flow_db *flow_db) { - struct bnxt_ulp_flow_tbl *flow_tbl; - - flow_tbl = &flow_db->flow_tbl[tbl_idx]; + struct bnxt_ulp_flow_tbl *flow_tbl = &flow_db->flow_tbl; /* Free all the allocated tables in the flow table. */ - if (flow_tbl->active_flow_tbl) { - rte_free(flow_tbl->active_flow_tbl); - flow_tbl->active_flow_tbl = NULL; + if (flow_tbl->active_reg_flows) { + rte_free(flow_tbl->active_reg_flows); + flow_tbl->active_reg_flows = NULL; + } + if (flow_tbl->active_dflt_flows) { + rte_free(flow_tbl->active_dflt_flows); + flow_tbl->active_dflt_flows = NULL; } if (flow_tbl->flow_tbl_stack) { @@ -209,6 +282,205 @@ ulp_flow_db_dealloc_resource(struct bnxt_ulp_flow_db *flow_db, } } +/* + * Helper function to add function id to the flow table + * + * flow_db [in] Ptr to flow table + * flow_id [in] The flow id of the flow + * func_id [in] The func_id to be set, for reset pass zero + * + * returns none + */ +static void +ulp_flow_db_func_id_set(struct bnxt_ulp_flow_db *flow_db, + uint32_t flow_id, + uint32_t func_id) +{ + /* set the function id in the function table */ + if (flow_id < flow_db->func_id_tbl_size) + flow_db->func_id_tbl[flow_id] = func_id; + else /* This should never happen */ + BNXT_TF_DBG(ERR, "Invalid flow id, flowdb corrupt\n"); +} + +/* + * Initialize the parent-child database. Memory is allocated in this + * call and assigned to the database + * + * flow_db [in] Ptr to flow table + * num_entries[in] - number of entries to allocate + * + * Returns 0 on success or negative number on failure. + */ +static int32_t +ulp_flow_db_parent_tbl_init(struct bnxt_ulp_flow_db *flow_db, + uint32_t num_entries) +{ + struct ulp_fdb_parent_child_db *p_db; + uint32_t size, idx; + + if (!num_entries) + return 0; + + /* update the sizes for the allocation */ + p_db = &flow_db->parent_child_db; + p_db->child_bitset_size = (flow_db->flow_tbl.num_flows / + sizeof(uint64_t)) + 1; /* size in bytes */ + p_db->child_bitset_size = ULP_BYTE_ROUND_OFF_8(p_db->child_bitset_size); + p_db->entries_count = num_entries; + + /* allocate the memory */ + p_db->parent_flow_tbl = rte_zmalloc("fdb parent flow tbl", + sizeof(struct ulp_fdb_parent_info) * + p_db->entries_count, 0); + if (!p_db->parent_flow_tbl) { + BNXT_TF_DBG(ERR, + "Failed to allocate memory fdb parent flow tbl\n"); + return -ENOMEM; + } + size = p_db->child_bitset_size * p_db->entries_count; + + /* + * allocate the big chunk of memory to be statically carved into + * child_fid_bitset pointer. + */ + p_db->parent_flow_tbl_mem = rte_zmalloc("fdb parent flow tbl mem", + size, + ULP_BUFFER_ALIGN_64_BYTE); + if (!p_db->parent_flow_tbl_mem) { + BNXT_TF_DBG(ERR, + "Failed to allocate memory fdb parent flow mem\n"); + return -ENOMEM; + } + + /* set the pointers in parent table to their offsets */ + for (idx = 0 ; idx < p_db->entries_count; idx++) { + p_db->parent_flow_tbl[idx].child_fid_bitset = + (uint64_t *)&p_db->parent_flow_tbl_mem[idx * + p_db->child_bitset_size]; + } + /* success */ + return 0; +} + +/* + * Deinitialize the parent-child database. Memory is deallocated in + * this call and all flows should have been purged before this + * call. + * + * flow_db [in] Ptr to flow table + * + * Returns none + */ +static void +ulp_flow_db_parent_tbl_deinit(struct bnxt_ulp_flow_db *flow_db) +{ + /* free the memory related to parent child database */ + if (flow_db->parent_child_db.parent_flow_tbl_mem) { + rte_free(flow_db->parent_child_db.parent_flow_tbl_mem); + flow_db->parent_child_db.parent_flow_tbl_mem = NULL; + } + if (flow_db->parent_child_db.parent_flow_tbl) { + rte_free(flow_db->parent_child_db.parent_flow_tbl); + flow_db->parent_child_db.parent_flow_tbl = NULL; + } +} + +/* internal validation function for parent flow tbl */ +static struct bnxt_ulp_flow_db * +ulp_flow_db_parent_arg_validation(struct bnxt_ulp_context *ulp_ctxt, + uint32_t fid) +{ + struct bnxt_ulp_flow_db *flow_db; + + flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt); + if (!flow_db) { + BNXT_TF_DBG(ERR, "Invalid Arguments\n"); + return NULL; + } + + /* check for max flows */ + if (fid >= flow_db->flow_tbl.num_flows || !fid) { + BNXT_TF_DBG(ERR, "Invalid flow index\n"); + return NULL; + } + + /* No support for parent child db then just exit */ + if (!flow_db->parent_child_db.entries_count) { + BNXT_TF_DBG(ERR, "parent child db not supported\n"); + return NULL; + } + + return flow_db; +} + +/* + * Set the tunnel index in the parent flow + * + * ulp_ctxt [in] Ptr to ulp_context + * parent_idx [in] The parent index of the parent flow entry + * + * returns index on success and negative on failure. + */ +static int32_t +ulp_flow_db_parent_tun_idx_set(struct bnxt_ulp_context *ulp_ctxt, + uint32_t parent_idx, uint8_t tun_idx) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + + flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt); + if (!flow_db) { + BNXT_TF_DBG(ERR, "Invalid Arguments\n"); + return -EINVAL; + } + + /* check for parent idx validity */ + p_pdb = &flow_db->parent_child_db; + if (parent_idx >= p_pdb->entries_count || + !p_pdb->parent_flow_tbl[parent_idx].parent_fid) { + BNXT_TF_DBG(ERR, "Invalid parent flow index %x\n", parent_idx); + return -EINVAL; + } + + p_pdb->parent_flow_tbl[parent_idx].tun_idx = tun_idx; + return 0; +} + +/* + * Get the tunnel index from the parent flow + * + * ulp_ctxt [in] Ptr to ulp_context + * parent_fid [in] The flow id of the parent flow entry + * + * returns 0 if counter accum is set else -1. + */ +static int32_t +ulp_flow_db_parent_tun_idx_get(struct bnxt_ulp_context *ulp_ctxt, + uint32_t parent_fid, uint8_t *tun_idx) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + uint32_t idx; + + /* validate the arguments */ + flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid); + if (!flow_db) { + BNXT_TF_DBG(ERR, "parent child db validation failed\n"); + return -EINVAL; + } + + p_pdb = &flow_db->parent_child_db; + for (idx = 0; idx < p_pdb->entries_count; idx++) { + if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) { + *tun_idx = p_pdb->parent_flow_tbl[idx].tun_idx; + return 0; + } + } + + return -EINVAL; +} + /* * Initialize the flow database. Memory is allocated in this * call and assigned to the flow database. @@ -217,12 +489,14 @@ ulp_flow_db_dealloc_resource(struct bnxt_ulp_flow_db *flow_db, * * Returns 0 on success or negative number on failure. */ -int32_t ulp_flow_db_init(struct bnxt_ulp_context *ulp_ctxt) +int32_t +ulp_flow_db_init(struct bnxt_ulp_context *ulp_ctxt) { - struct bnxt_ulp_device_params *dparms; - struct bnxt_ulp_flow_tbl *flow_tbl; - struct bnxt_ulp_flow_db *flow_db; - uint32_t dev_id; + struct bnxt_ulp_device_params *dparms; + struct bnxt_ulp_flow_tbl *flow_tbl; + struct bnxt_ulp_flow_db *flow_db; + uint32_t dev_id, num_flows; + enum bnxt_ulp_flow_mem_type mtype; /* Get the dev specific number of flows that needed to be supported. */ if (bnxt_ulp_cntxt_dev_id_get(ulp_ctxt, &dev_id)) { @@ -241,31 +515,58 @@ int32_t ulp_flow_db_init(struct bnxt_ulp_context *ulp_ctxt) if (!flow_db) { BNXT_TF_DBG(ERR, "Failed to allocate memory for flow table ptr\n"); - goto error_free; + return -ENOMEM; } /* Attach the flow database to the ulp context. */ bnxt_ulp_cntxt_ptr2_flow_db_set(ulp_ctxt, flow_db); + /* Determine the number of flows based on EM type */ + if (bnxt_ulp_cntxt_mem_type_get(ulp_ctxt, &mtype)) + goto error_free; + + if (mtype == BNXT_ULP_FLOW_MEM_TYPE_INT) + num_flows = dparms->int_flow_db_num_entries; + else + num_flows = dparms->ext_flow_db_num_entries; + /* Populate the regular flow table limits. */ - flow_tbl = &flow_db->flow_tbl[BNXT_ULP_REGULAR_FLOW_TABLE]; - flow_tbl->num_flows = dparms->num_flows + 1; - flow_tbl->num_resources = (flow_tbl->num_flows * + flow_tbl = &flow_db->flow_tbl; + flow_tbl->num_flows = num_flows + 1; + flow_tbl->num_resources = ((num_flows + 1) * dparms->num_resources_per_flow); - /* Populate the default flow table limits. */ - flow_tbl = &flow_db->flow_tbl[BNXT_ULP_DEFAULT_FLOW_TABLE]; - flow_tbl->num_flows = BNXT_FLOW_DB_DEFAULT_NUM_FLOWS + 1; - flow_tbl->num_resources = (flow_tbl->num_flows * - BNXT_FLOW_DB_DEFAULT_NUM_RESOURCES); + /* Include the default flow table limits. */ + flow_tbl->num_flows += (BNXT_FLOW_DB_DEFAULT_NUM_FLOWS + 1); + flow_tbl->num_resources += ((BNXT_FLOW_DB_DEFAULT_NUM_FLOWS + 1) * + BNXT_FLOW_DB_DEFAULT_NUM_RESOURCES); + + /* Allocate the resource for the flow table. */ + if (ulp_flow_db_alloc_resource(flow_db)) + goto error_free; - /* Allocate the resource for the regular flow table. */ - if (ulp_flow_db_alloc_resource(flow_db, BNXT_ULP_REGULAR_FLOW_TABLE)) + /* add 1 since we are not using index 0 for flow id */ + flow_db->func_id_tbl_size = flow_tbl->num_flows + 1; + /* Allocate the function Id table */ + flow_db->func_id_tbl = rte_zmalloc("bnxt_ulp_flow_db_func_id_table", + flow_db->func_id_tbl_size * + sizeof(uint16_t), 0); + if (!flow_db->func_id_tbl) { + BNXT_TF_DBG(ERR, + "Failed to allocate mem for flow table func id\n"); goto error_free; - if (ulp_flow_db_alloc_resource(flow_db, BNXT_ULP_DEFAULT_FLOW_TABLE)) + } + /* initialize the parent child database */ + if (ulp_flow_db_parent_tbl_init(flow_db, + dparms->fdb_parent_flow_entries)) { + BNXT_TF_DBG(ERR, + "Failed to allocate mem for parent child db\n"); goto error_free; + } /* All good so return. */ + BNXT_TF_DBG(INFO, "FlowDB initialized with %d flows.\n", + flow_tbl->num_flows); return 0; error_free: ulp_flow_db_deinit(ulp_ctxt); @@ -281,22 +582,22 @@ error_free: * * Returns 0 on success. */ -int32_t ulp_flow_db_deinit(struct bnxt_ulp_context *ulp_ctxt) +int32_t +ulp_flow_db_deinit(struct bnxt_ulp_context *ulp_ctxt) { - struct bnxt_ulp_flow_db *flow_db; + struct bnxt_ulp_flow_db *flow_db; flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt); - if (!flow_db) { - BNXT_TF_DBG(ERR, "Invalid Arguments\n"); + if (!flow_db) return -EINVAL; - } /* Detach the flow database from the ulp context. */ bnxt_ulp_cntxt_ptr2_flow_db_set(ulp_ctxt, NULL); /* Free up all the memory. */ - ulp_flow_db_dealloc_resource(flow_db, BNXT_ULP_REGULAR_FLOW_TABLE); - ulp_flow_db_dealloc_resource(flow_db, BNXT_ULP_DEFAULT_FLOW_TABLE); + ulp_flow_db_parent_tbl_deinit(flow_db); + ulp_flow_db_dealloc_resource(flow_db); + rte_free(flow_db->func_id_tbl); rte_free(flow_db); return 0; @@ -306,17 +607,20 @@ int32_t ulp_flow_db_deinit(struct bnxt_ulp_context *ulp_ctxt) * Allocate the flow database entry * * ulp_ctxt [in] Ptr to ulp_context - * tbl_idx [in] Specify it is regular or default flow + * flow_type [in] - specify default or regular + * func_id [in].function id of the ingress port * fid [out] The index to the flow entry * * returns 0 on success and negative on failure. */ -int32_t ulp_flow_db_fid_alloc(struct bnxt_ulp_context *ulp_ctxt, - enum bnxt_ulp_flow_db_tables tbl_idx, - uint32_t *fid) +int32_t +ulp_flow_db_fid_alloc(struct bnxt_ulp_context *ulp_ctxt, + enum bnxt_ulp_fdb_type flow_type, + uint16_t func_id, + uint32_t *fid) { - struct bnxt_ulp_flow_db *flow_db; - struct bnxt_ulp_flow_tbl *flow_tbl; + struct bnxt_ulp_flow_db *flow_db; + struct bnxt_ulp_flow_tbl *flow_tbl; *fid = 0; /* Initialize fid to invalid value */ flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt); @@ -325,17 +629,32 @@ int32_t ulp_flow_db_fid_alloc(struct bnxt_ulp_context *ulp_ctxt, return -EINVAL; } - flow_tbl = &flow_db->flow_tbl[tbl_idx]; + if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) { + BNXT_TF_DBG(ERR, "Invalid flow type\n"); + return -EINVAL; + } + + flow_tbl = &flow_db->flow_tbl; /* check for max flows */ if (flow_tbl->num_flows <= flow_tbl->head_index) { BNXT_TF_DBG(ERR, "Flow database has reached max flows\n"); return -ENOMEM; } + if (flow_tbl->tail_index <= (flow_tbl->head_index + 1)) { + BNXT_TF_DBG(ERR, "Flow database has reached max resources\n"); + return -ENOMEM; + } *fid = flow_tbl->flow_tbl_stack[flow_tbl->head_index]; flow_tbl->head_index++; - ulp_flow_db_active_flow_set(flow_tbl, *fid, 1); - /* all good, return success */ + /* Set the flow type */ + ulp_flow_db_active_flows_bit_set(flow_db, flow_type, *fid, 1); + + /* function id update is only valid for regular flow table */ + if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR) + ulp_flow_db_func_id_set(flow_db, *fid, func_id); + + /* return success */ return 0; } @@ -344,21 +663,23 @@ int32_t ulp_flow_db_fid_alloc(struct bnxt_ulp_context *ulp_ctxt, * The params->critical_resource has to be set to 0 to allocate a new resource. * * ulp_ctxt [in] Ptr to ulp_context - * tbl_idx [in] Specify it is regular or default flow + * flow_type [in] Specify it is regular or default flow * fid [in] The index to the flow entry * params [in] The contents to be copied into resource * * returns 0 on success and negative on failure. */ -int32_t ulp_flow_db_resource_add(struct bnxt_ulp_context *ulp_ctxt, - enum bnxt_ulp_flow_db_tables tbl_idx, - uint32_t fid, - struct ulp_flow_db_res_params *params) +int32_t +ulp_flow_db_resource_add(struct bnxt_ulp_context *ulp_ctxt, + enum bnxt_ulp_fdb_type flow_type, + uint32_t fid, + struct ulp_flow_db_res_params *params) { - struct bnxt_ulp_flow_db *flow_db; - struct bnxt_ulp_flow_tbl *flow_tbl; - struct ulp_fdb_resource_info *resource, *fid_resource; - uint32_t idx; + struct bnxt_ulp_flow_db *flow_db; + struct bnxt_ulp_flow_tbl *flow_tbl; + struct ulp_fdb_resource_info *resource, *fid_resource; + struct bnxt_ulp_fc_info *ulp_fc_info; + uint32_t idx; flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt); if (!flow_db) { @@ -366,12 +687,12 @@ int32_t ulp_flow_db_resource_add(struct bnxt_ulp_context *ulp_ctxt, return -EINVAL; } - if (tbl_idx >= BNXT_ULP_FLOW_TABLE_MAX) { - BNXT_TF_DBG(ERR, "Invalid table index\n"); + if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) { + BNXT_TF_DBG(ERR, "Invalid flow type\n"); return -EINVAL; } - flow_tbl = &flow_db->flow_tbl[tbl_idx]; + flow_tbl = &flow_db->flow_tbl; /* check for max flows */ if (fid >= flow_tbl->num_flows || !fid) { BNXT_TF_DBG(ERR, "Invalid flow index\n"); @@ -379,18 +700,24 @@ int32_t ulp_flow_db_resource_add(struct bnxt_ulp_context *ulp_ctxt, } /* check if the flow is active or not */ - if (!ulp_flow_db_active_flow_is_set(flow_tbl, fid)) { - BNXT_TF_DBG(ERR, "flow does not exist\n"); + if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, fid)) { + BNXT_TF_DBG(ERR, "flow does not exist %x:%x\n", flow_type, fid); return -EINVAL; } /* check for max resource */ - if ((flow_tbl->num_flows + 1) >= flow_tbl->tail_index) { + if ((flow_tbl->head_index + 1) >= flow_tbl->tail_index) { BNXT_TF_DBG(ERR, "Flow db has reached max resources\n"); return -ENOMEM; } fid_resource = &flow_tbl->flow_resources[fid]; + if (params->critical_resource && fid_resource->resource_em_handle) { + BNXT_TF_DBG(DEBUG, "Ignore multiple critical resources\n"); + /* Ignore the multiple critical resources */ + params->critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO; + } + if (!params->critical_resource) { /* Not the critical_resource so allocate a resource */ idx = flow_tbl->flow_tbl_stack[flow_tbl->tail_index]; @@ -410,6 +737,23 @@ int32_t ulp_flow_db_resource_add(struct bnxt_ulp_context *ulp_ctxt, ulp_flow_db_res_params_to_info(fid_resource, params); } + ulp_fc_info = bnxt_ulp_cntxt_ptr2_fc_info_get(ulp_ctxt); + if (params->resource_type == TF_TBL_TYPE_ACT_STATS_64 && + params->resource_sub_type == + BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT && + ulp_fc_info && ulp_fc_info->num_counters) { + /* Store the first HW counter ID for this table */ + if (!ulp_fc_mgr_start_idx_isset(ulp_ctxt, params->direction)) + ulp_fc_mgr_start_idx_set(ulp_ctxt, params->direction, + params->resource_hndl); + + ulp_fc_mgr_cntr_set(ulp_ctxt, params->direction, + params->resource_hndl); + + if (!ulp_fc_mgr_thread_isstarted(ulp_ctxt)) + ulp_fc_mgr_thread_start(ulp_ctxt); + } + /* all good, return success */ return 0; } @@ -419,22 +763,26 @@ int32_t ulp_flow_db_resource_add(struct bnxt_ulp_context *ulp_ctxt, * The params->critical_resource has to be set to 1 to free the first resource. * * ulp_ctxt [in] Ptr to ulp_context - * tbl_idx [in] Specify it is regular or default flow + * flow_type [in] Specify it is regular or default flow * fid [in] The index to the flow entry * params [in/out] The contents to be copied into params. - * Onlythe critical_resource needs to be set by the caller. + * Only the critical_resource needs to be set by the caller. * * Returns 0 on success and negative on failure. */ -int32_t ulp_flow_db_resource_del(struct bnxt_ulp_context *ulp_ctxt, - enum bnxt_ulp_flow_db_tables tbl_idx, - uint32_t fid, - struct ulp_flow_db_res_params *params) +int32_t +ulp_flow_db_resource_del(struct bnxt_ulp_context *ulp_ctxt, + enum bnxt_ulp_fdb_type flow_type, + uint32_t fid, + struct ulp_flow_db_res_params *params) { - struct bnxt_ulp_flow_db *flow_db; - struct bnxt_ulp_flow_tbl *flow_tbl; - struct ulp_fdb_resource_info *nxt_resource, *fid_resource; - uint32_t nxt_idx = 0; + struct bnxt_ulp_flow_db *flow_db; + struct bnxt_ulp_flow_tbl *flow_tbl; + struct ulp_fdb_resource_info *nxt_resource, *fid_resource; + uint32_t nxt_idx = 0; + struct bnxt_tun_cache_entry *tun_tbl; + uint8_t tun_idx = 0; + int rc; flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt); if (!flow_db) { @@ -442,21 +790,21 @@ int32_t ulp_flow_db_resource_del(struct bnxt_ulp_context *ulp_ctxt, return -EINVAL; } - if (tbl_idx >= BNXT_ULP_FLOW_TABLE_MAX) { - BNXT_TF_DBG(ERR, "Invalid table index\n"); + if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) { + BNXT_TF_DBG(ERR, "Invalid flow type\n"); return -EINVAL; } - flow_tbl = &flow_db->flow_tbl[tbl_idx]; + flow_tbl = &flow_db->flow_tbl; /* check for max flows */ if (fid >= flow_tbl->num_flows || !fid) { - BNXT_TF_DBG(ERR, "Invalid flow index\n"); + BNXT_TF_DBG(ERR, "Invalid flow index %x\n", fid); return -EINVAL; } /* check if the flow is active or not */ - if (!ulp_flow_db_active_flow_is_set(flow_tbl, fid)) { - BNXT_TF_DBG(ERR, "flow does not exist\n"); + if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, fid)) { + BNXT_TF_DBG(ERR, "flow does not exist %x:%x\n", flow_type, fid); return -EINVAL; } @@ -500,6 +848,29 @@ int32_t ulp_flow_db_resource_del(struct bnxt_ulp_context *ulp_ctxt, nxt_idx); } + /* Now that the HW Flow counter resource is deleted, reset it's + * corresponding slot in the SW accumulation table in the Flow Counter + * manager + */ + if (params->resource_type == TF_TBL_TYPE_ACT_STATS_64 && + params->resource_sub_type == + BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT) { + ulp_fc_mgr_cntr_reset(ulp_ctxt, params->direction, + params->resource_hndl); + } + + if (params->resource_func == BNXT_ULP_RESOURCE_FUNC_PARENT_FLOW) { + tun_tbl = bnxt_ulp_cntxt_ptr2_tun_tbl_get(ulp_ctxt); + if (!tun_tbl) + return -EINVAL; + + rc = ulp_flow_db_parent_tun_idx_get(ulp_ctxt, fid, &tun_idx); + if (rc) + return rc; + + ulp_clear_tun_entry(tun_tbl, tun_idx); + } + /* all good, return success */ return 0; } @@ -508,17 +879,19 @@ int32_t ulp_flow_db_resource_del(struct bnxt_ulp_context *ulp_ctxt, * Free the flow database entry * * ulp_ctxt [in] Ptr to ulp_context - * tbl_idx [in] Specify it is regular or default flow + * flow_type [in] - specify default or regular * fid [in] The index to the flow entry * * returns 0 on success and negative on failure. */ -int32_t ulp_flow_db_fid_free(struct bnxt_ulp_context *ulp_ctxt, - enum bnxt_ulp_flow_db_tables tbl_idx, - uint32_t fid) +int32_t +ulp_flow_db_fid_free(struct bnxt_ulp_context *ulp_ctxt, + enum bnxt_ulp_fdb_type flow_type, + uint32_t fid) { - struct bnxt_ulp_flow_db *flow_db; - struct bnxt_ulp_flow_tbl *flow_tbl; + struct bnxt_tun_cache_entry *tun_tbl; + struct bnxt_ulp_flow_tbl *flow_tbl; + struct bnxt_ulp_flow_db *flow_db; flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt); if (!flow_db) { @@ -526,12 +899,12 @@ int32_t ulp_flow_db_fid_free(struct bnxt_ulp_context *ulp_ctxt, return -EINVAL; } - if (tbl_idx >= BNXT_ULP_FLOW_TABLE_MAX) { - BNXT_TF_DBG(ERR, "Invalid table index\n"); + if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) { + BNXT_TF_DBG(ERR, "Invalid flow type\n"); return -EINVAL; } - flow_tbl = &flow_db->flow_tbl[tbl_idx]; + flow_tbl = &flow_db->flow_tbl; /* check for limits of fid */ if (fid >= flow_tbl->num_flows || !fid) { @@ -540,8 +913,8 @@ int32_t ulp_flow_db_fid_free(struct bnxt_ulp_context *ulp_ctxt, } /* check if the flow is active or not */ - if (!ulp_flow_db_active_flow_is_set(flow_tbl, fid)) { - BNXT_TF_DBG(ERR, "flow does not exist\n"); + if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, fid)) { + BNXT_TF_DBG(ERR, "flow does not exist %x:%x\n", flow_type, fid); return -EINVAL; } flow_tbl->head_index--; @@ -549,44 +922,145 @@ int32_t ulp_flow_db_fid_free(struct bnxt_ulp_context *ulp_ctxt, BNXT_TF_DBG(ERR, "FlowDB: Head Ptr is zero\n"); return -ENOENT; } + flow_tbl->flow_tbl_stack[flow_tbl->head_index] = fid; - ulp_flow_db_active_flow_set(flow_tbl, fid, 0); + + /* Clear the flows bitmap */ + ulp_flow_db_active_flows_bit_set(flow_db, flow_type, fid, 0); + + if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR) + ulp_flow_db_func_id_set(flow_db, fid, 0); + + tun_tbl = bnxt_ulp_cntxt_ptr2_tun_tbl_get(ulp_ctxt); + if (!tun_tbl) + return -EINVAL; + + ulp_clear_tun_inner_entry(tun_tbl, fid); + + /* all good, return success */ + return 0; +} + +/* + *Get the flow database entry details + * + * ulp_ctxt [in] Ptr to ulp_context + * flow_type [in] - specify default or regular + * fid [in] The index to the flow entry + * nxt_idx [in/out] the index to the next entry + * params [out] The contents to be copied into params. + * + * returns 0 on success and negative on failure. + */ +int32_t +ulp_flow_db_resource_get(struct bnxt_ulp_context *ulp_ctxt, + enum bnxt_ulp_fdb_type flow_type, + uint32_t fid, + uint32_t *nxt_idx, + struct ulp_flow_db_res_params *params) +{ + struct bnxt_ulp_flow_db *flow_db; + struct bnxt_ulp_flow_tbl *flow_tbl; + struct ulp_fdb_resource_info *nxt_resource, *fid_resource; + + flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt); + if (!flow_db) { + BNXT_TF_DBG(ERR, "Invalid Arguments\n"); + return -EINVAL; + } + + if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) { + BNXT_TF_DBG(ERR, "Invalid flow type\n"); + return -EINVAL; + } + + flow_tbl = &flow_db->flow_tbl; + + /* check for limits of fid */ + if (fid >= flow_tbl->num_flows || !fid) { + BNXT_TF_DBG(ERR, "Invalid flow index\n"); + return -EINVAL; + } + + /* check if the flow is active or not */ + if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, fid)) { + BNXT_TF_DBG(ERR, "flow does not exist\n"); + return -EINVAL; + } + + if (!*nxt_idx) { + fid_resource = &flow_tbl->flow_resources[fid]; + ulp_flow_db_res_info_to_params(fid_resource, params); + ULP_FLOW_DB_RES_NXT_SET(*nxt_idx, + fid_resource->nxt_resource_idx); + } else { + nxt_resource = &flow_tbl->flow_resources[*nxt_idx]; + ulp_flow_db_res_info_to_params(nxt_resource, params); + *nxt_idx = 0; + ULP_FLOW_DB_RES_NXT_SET(*nxt_idx, + nxt_resource->nxt_resource_idx); + } /* all good, return success */ return 0; } -/** Get the flow database entry iteratively +/* + * Get the flow database entry iteratively * * flow_tbl [in] Ptr to flow table + * flow_type [in] - specify default or regular * fid [in/out] The index to the flow entry * * returns 0 on success and negative on failure. */ static int32_t -ulp_flow_db_next_entry_get(struct bnxt_ulp_flow_tbl *flowtbl, - uint32_t *fid) +ulp_flow_db_next_entry_get(struct bnxt_ulp_flow_db *flow_db, + enum bnxt_ulp_fdb_type flow_type, + uint32_t *fid) { - uint32_t lfid = *fid; - uint32_t idx; - uint64_t bs; + uint32_t lfid = *fid; + uint32_t idx, s_idx, mod_fid; + uint64_t bs; + uint64_t *active_flows; + struct bnxt_ulp_flow_tbl *flowtbl = &flow_db->flow_tbl; + + if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR) { + active_flows = flowtbl->active_reg_flows; + } else if (flow_type == BNXT_ULP_FDB_TYPE_DEFAULT) { + active_flows = flowtbl->active_dflt_flows; + } else { + BNXT_TF_DBG(ERR, "Invalid flow type %x\n", flow_type); + return -EINVAL; + } do { + /* increment the flow id to find the next valid flow id */ lfid++; if (lfid >= flowtbl->num_flows) return -ENOENT; idx = lfid / ULP_INDEX_BITMAP_SIZE; - while (!(bs = flowtbl->active_flow_tbl[idx])) { + mod_fid = lfid % ULP_INDEX_BITMAP_SIZE; + s_idx = idx; + while (!(bs = active_flows[idx])) { idx++; if ((idx * ULP_INDEX_BITMAP_SIZE) >= flowtbl->num_flows) return -ENOENT; } + /* + * remove the previous bits in the bitset bs to find the + * next non zero bit in the bitset. This needs to be done + * only if the idx is same as he one you started. + */ + if (s_idx == idx) + bs &= (-1UL >> mod_fid); lfid = (idx * ULP_INDEX_BITMAP_SIZE) + __builtin_clzl(bs); if (*fid >= lfid) { BNXT_TF_DBG(ERR, "Flow Database is corrupt\n"); return -ENOENT; } - } while (!ulp_flow_db_active_flow_is_set(flowtbl, lfid)); + } while (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, + lfid)); /* all good, return success */ *fid = lfid; @@ -597,16 +1071,16 @@ ulp_flow_db_next_entry_get(struct bnxt_ulp_flow_tbl *flowtbl, * Flush all flows in the flow database. * * ulp_ctxt [in] Ptr to ulp context - * tbl_idx [in] The index to table + * flow_type [in] - specify default or regular * * returns 0 on success or negative number on failure */ -int32_t ulp_flow_db_flush_flows(struct bnxt_ulp_context *ulp_ctx, - uint32_t idx) +int32_t +ulp_flow_db_flush_flows(struct bnxt_ulp_context *ulp_ctx, + enum bnxt_ulp_fdb_type flow_type) { - uint32_t fid = 0; - struct bnxt_ulp_flow_db *flow_db; - struct bnxt_ulp_flow_tbl *flow_tbl; + uint32_t fid = 0; + struct bnxt_ulp_flow_db *flow_db; if (!ulp_ctx) { BNXT_TF_DBG(ERR, "Invalid Argument\n"); @@ -618,9 +1092,832 @@ int32_t ulp_flow_db_flush_flows(struct bnxt_ulp_context *ulp_ctx, BNXT_TF_DBG(ERR, "Flow database not found\n"); return -EINVAL; } - flow_tbl = &flow_db->flow_tbl[idx]; - while (!ulp_flow_db_next_entry_get(flow_tbl, &fid)) - (void)ulp_mapper_resources_free(ulp_ctx, fid, idx); + if (bnxt_ulp_cntxt_acquire_fdb_lock(ulp_ctx)) { + BNXT_TF_DBG(ERR, "Flow db lock acquire failed\n"); + return -EINVAL; + } + + while (!ulp_flow_db_next_entry_get(flow_db, flow_type, &fid)) + ulp_mapper_resources_free(ulp_ctx, flow_type, fid); + + bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx); + + return 0; +} + +/* + * Flush all flows in the flow database that belong to a device function. + * + * ulp_ctxt [in] Ptr to ulp context + * func_id [in] - The port function id + * + * returns 0 on success or negative number on failure + */ +int32_t +ulp_flow_db_function_flow_flush(struct bnxt_ulp_context *ulp_ctx, + uint16_t func_id) +{ + uint32_t flow_id = 0; + struct bnxt_ulp_flow_db *flow_db; + + if (!ulp_ctx || !func_id) { + BNXT_TF_DBG(ERR, "Invalid Argument\n"); + return -EINVAL; + } + + flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctx); + if (!flow_db) { + BNXT_TF_DBG(ERR, "Flow database not found\n"); + return -EINVAL; + } + if (bnxt_ulp_cntxt_acquire_fdb_lock(ulp_ctx)) { + BNXT_TF_DBG(ERR, "Flow db lock acquire failed\n"); + return -EINVAL; + } + while (!ulp_flow_db_next_entry_get(flow_db, BNXT_ULP_FDB_TYPE_REGULAR, + &flow_id)) { + if (flow_db->func_id_tbl[flow_id] == func_id) + ulp_mapper_resources_free(ulp_ctx, + BNXT_ULP_FDB_TYPE_REGULAR, + flow_id); + } + bnxt_ulp_cntxt_release_fdb_lock(ulp_ctx); return 0; } + +/* + * Flush all flows in the flow database that are associated with the session. + * + * ulp_ctxt [in] Ptr to ulp context + * + * returns 0 on success or negative number on failure + */ +int32_t +ulp_flow_db_session_flow_flush(struct bnxt_ulp_context *ulp_ctx) +{ + /* + * TBD: Tf core implementation of FW session flush shall change this + * implementation. + */ + return ulp_flow_db_flush_flows(ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR); +} + +/* + * Check that flow id matches the function id or not + * + * ulp_ctxt [in] Ptr to ulp context + * flow_db [in] Ptr to flow table + * func_id [in] The func_id to be set, for reset pass zero. + * + * returns true on success or false on failure + */ +bool +ulp_flow_db_validate_flow_func(struct bnxt_ulp_context *ulp_ctx, + uint32_t flow_id, + uint32_t func_id) +{ + struct bnxt_ulp_flow_db *flow_db; + + flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctx); + if (!flow_db) { + BNXT_TF_DBG(ERR, "Flow database not found\n"); + return false; + } + + /* set the function id in the function table */ + if (flow_id < flow_db->func_id_tbl_size && func_id && + flow_db->func_id_tbl[flow_id] == func_id) + return true; + + return false; +} + +/* + * Internal api to traverse the resource list within a flow + * and match a resource based on resource func and resource + * sub type. This api should be used only for resources that + * are unique and do not have multiple instances of resource + * func and sub type combination since it will return only + * the first match. + */ +static int32_t +ulp_flow_db_resource_params_get(struct bnxt_ulp_context *ulp_ctx, + enum bnxt_ulp_fdb_type flow_type, + uint32_t flow_id, + uint32_t resource_func, + uint32_t res_subtype, + struct ulp_flow_db_res_params *params) +{ + struct bnxt_ulp_flow_db *flow_db; + struct bnxt_ulp_flow_tbl *flow_tbl; + struct ulp_fdb_resource_info *fid_res; + uint32_t res_id; + + flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctx); + if (!flow_db) { + BNXT_TF_DBG(ERR, "Flow database not found\n"); + return -EINVAL; + } + + if (!params) { + BNXT_TF_DBG(ERR, "invalid argument\n"); + return -EINVAL; + } + + if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) { + BNXT_TF_DBG(ERR, "Invalid flow type\n"); + return -EINVAL; + } + + flow_tbl = &flow_db->flow_tbl; + + /* check for limits of fid */ + if (flow_id >= flow_tbl->num_flows || !flow_id) { + BNXT_TF_DBG(ERR, "Invalid flow index\n"); + return -EINVAL; + } + + /* check if the flow is active or not */ + if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, flow_id)) { + BNXT_TF_DBG(ERR, "flow does not exist\n"); + return -EINVAL; + } + /* Iterate the resource to get the resource handle */ + res_id = flow_id; + memset(params, 0, sizeof(struct ulp_flow_db_res_params)); + while (res_id) { + fid_res = &flow_tbl->flow_resources[res_id]; + if (ulp_flow_db_resource_func_get(fid_res) == resource_func) { + if (resource_func & ULP_FLOW_DB_RES_FUNC_NEED_LOWER) { + if (res_subtype == fid_res->resource_sub_type) { + ulp_flow_db_res_info_to_params(fid_res, + params); + return 0; + } + + } else if (resource_func == + BNXT_ULP_RESOURCE_FUNC_EM_TABLE) { + ulp_flow_db_res_info_to_params(fid_res, + params); + return 0; + } + } + res_id = 0; + ULP_FLOW_DB_RES_NXT_SET(res_id, fid_res->nxt_resource_idx); + } + return -ENOENT; +} + +/* + * Api to get the cfa action pointer from a flow. + * + * ulp_ctxt [in] Ptr to ulp context + * flow_id [in] flow id + * cfa_action [out] The resource handle stored in the flow database + * + * returns 0 on success + */ +int32_t +ulp_default_flow_db_cfa_action_get(struct bnxt_ulp_context *ulp_ctx, + uint32_t flow_id, + uint16_t *cfa_action) +{ + uint8_t sub_typ = BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_VFR_CFA_ACTION; + struct ulp_flow_db_res_params params; + int32_t rc; + + rc = ulp_flow_db_resource_params_get(ulp_ctx, + BNXT_ULP_FDB_TYPE_DEFAULT, + flow_id, + BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE, + sub_typ, ¶ms); + if (rc) { + BNXT_TF_DBG(INFO, "CFA Action ptr not found for flow id %u\n", + flow_id); + return -ENOENT; + } + *cfa_action = params.resource_hndl; + return 0; +} + +/* + * Allocate the entry in the parent-child database + * + * ulp_ctxt [in] Ptr to ulp_context + * fid [in] The flow id to the flow entry + * + * returns index on success and negative on failure. + */ +int32_t +ulp_flow_db_parent_flow_alloc(struct bnxt_ulp_context *ulp_ctxt, + uint32_t fid) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + uint32_t idx, free_idx = 0; + + /* validate the arguments */ + flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, fid); + if (!flow_db) { + BNXT_TF_DBG(ERR, "parent child db validation failed\n"); + return -EINVAL; + } + + p_pdb = &flow_db->parent_child_db; + for (idx = 0; idx < p_pdb->entries_count; idx++) { + if (p_pdb->parent_flow_tbl[idx].parent_fid == fid) { + BNXT_TF_DBG(ERR, "fid is already allocated\n"); + return -EINVAL; + } + if (!p_pdb->parent_flow_tbl[idx].parent_fid && !free_idx) + free_idx = idx + 1; + } + /* no free slots */ + if (!free_idx) { + BNXT_TF_DBG(ERR, "parent child db is full\n"); + return -ENOMEM; + } + + free_idx -= 1; + /* set the Fid in the parent child */ + p_pdb->parent_flow_tbl[free_idx].parent_fid = fid; + return free_idx; +} + +/* + * Free the entry in the parent-child database + * + * ulp_ctxt [in] Ptr to ulp_context + * fid [in] The flow id to the flow entry + * + * returns 0 on success and negative on failure. + */ +int32_t +ulp_flow_db_parent_flow_free(struct bnxt_ulp_context *ulp_ctxt, + uint32_t fid) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + uint32_t idx; + + /* validate the arguments */ + flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, fid); + if (!flow_db) { + BNXT_TF_DBG(ERR, "parent child db validation failed\n"); + return -EINVAL; + } + + p_pdb = &flow_db->parent_child_db; + for (idx = 0; idx < p_pdb->entries_count; idx++) { + if (p_pdb->parent_flow_tbl[idx].parent_fid == fid) { + /* free the contents */ + p_pdb->parent_flow_tbl[idx].parent_fid = 0; + memset(p_pdb->parent_flow_tbl[idx].child_fid_bitset, + 0, p_pdb->child_bitset_size); + return 0; + } + } + BNXT_TF_DBG(ERR, "parent entry not found = %x\n", fid); + return -EINVAL; +} + +/* + * Set or reset the child flow in the parent-child database + * + * ulp_ctxt [in] Ptr to ulp_context + * parent_fid [in] The flow id of the parent flow entry + * child_fid [in] The flow id of the child flow entry + * set_flag [in] Use 1 for setting child, 0 to reset + * + * returns zero on success and negative on failure. + */ +int32_t +ulp_flow_db_parent_child_flow_set(struct bnxt_ulp_context *ulp_ctxt, + uint32_t parent_fid, + uint32_t child_fid, + uint32_t set_flag) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + uint32_t idx, a_idx; + uint64_t *t; + + /* validate the arguments */ + flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid); + if (!flow_db) { + BNXT_TF_DBG(ERR, "parent child db validation failed\n"); + return -EINVAL; + } + + /* check for fid validity */ + if (child_fid >= flow_db->flow_tbl.num_flows || !child_fid) { + BNXT_TF_DBG(ERR, "Invalid child flow index %x\n", child_fid); + return -EINVAL; + } + + p_pdb = &flow_db->parent_child_db; + a_idx = child_fid / ULP_INDEX_BITMAP_SIZE; + for (idx = 0; idx < p_pdb->entries_count; idx++) { + if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) { + t = p_pdb->parent_flow_tbl[idx].child_fid_bitset; + if (set_flag) + ULP_INDEX_BITMAP_SET(t[a_idx], child_fid); + else + ULP_INDEX_BITMAP_RESET(t[a_idx], child_fid); + return 0; + } + } + BNXT_TF_DBG(ERR, "Unable to set the parent-child flow %x:%x\n", + parent_fid, child_fid); + return -1; +} + +/* + * Get the parent index from the parent-child database + * + * ulp_ctxt [in] Ptr to ulp_context + * parent_fid [in] The flow id of the parent flow entry + * parent_idx [out] The parent index of parent flow entry + * + * returns zero on success and negative on failure. + */ +int32_t +ulp_flow_db_parent_flow_idx_get(struct bnxt_ulp_context *ulp_ctxt, + uint32_t parent_fid, + uint32_t *parent_idx) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + uint32_t idx; + + /* validate the arguments */ + flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid); + if (!flow_db) { + BNXT_TF_DBG(ERR, "parent child db validation failed\n"); + return -EINVAL; + } + + p_pdb = &flow_db->parent_child_db; + for (idx = 0; idx < p_pdb->entries_count; idx++) { + if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) { + *parent_idx = idx; + return 0; + } + } + BNXT_TF_DBG(ERR, "Unable to get the parent flow %x\n", parent_fid); + return -1; +} + +/* + * Get the next child flow in the parent-child database + * + * ulp_ctxt [in] Ptr to ulp_context + * parent_fid [in] The flow id of the parent flow entry + * child_fid [in/out] The flow id of the child flow entry + * + * returns zero on success and negative on failure. + * Pass child_fid as zero for first entry. + */ +int32_t +ulp_flow_db_parent_child_flow_next_entry_get(struct bnxt_ulp_flow_db *flow_db, + uint32_t parent_idx, + uint32_t *child_fid) +{ + struct ulp_fdb_parent_child_db *p_pdb; + uint32_t idx, s_idx, mod_fid; + uint32_t next_fid = *child_fid; + uint64_t *child_bitset; + uint64_t bs; + + /* check for fid validity */ + p_pdb = &flow_db->parent_child_db; + if (parent_idx >= p_pdb->entries_count || + !p_pdb->parent_flow_tbl[parent_idx].parent_fid) { + BNXT_TF_DBG(ERR, "Invalid parent flow index %x\n", parent_idx); + return -EINVAL; + } + + child_bitset = p_pdb->parent_flow_tbl[parent_idx].child_fid_bitset; + do { + /* increment the flow id to find the next valid flow id */ + next_fid++; + if (next_fid >= flow_db->flow_tbl.num_flows) + return -ENOENT; + idx = next_fid / ULP_INDEX_BITMAP_SIZE; + mod_fid = next_fid % ULP_INDEX_BITMAP_SIZE; + s_idx = idx; + while (!(bs = child_bitset[idx])) { + idx++; + if ((idx * ULP_INDEX_BITMAP_SIZE) >= + flow_db->flow_tbl.num_flows) + return -ENOENT; + } + /* + * remove the previous bits in the bitset bs to find the + * next non zero bit in the bitset. This needs to be done + * only if the idx is same as he one you started. + */ + if (s_idx == idx) + bs &= (-1UL >> mod_fid); + next_fid = (idx * ULP_INDEX_BITMAP_SIZE) + __builtin_clzl(bs); + if (*child_fid >= next_fid) { + BNXT_TF_DBG(ERR, "Parent Child Database is corrupt\n"); + return -ENOENT; + } + idx = next_fid / ULP_INDEX_BITMAP_SIZE; + } while (!ULP_INDEX_BITMAP_GET(child_bitset[idx], next_fid)); + *child_fid = next_fid; + return 0; +} + +/* + * Set the counter accumulation in the parent flow + * + * ulp_ctxt [in] Ptr to ulp_context + * parent_idx [in] The parent index of the parent flow entry + * + * returns index on success and negative on failure. + */ +static int32_t +ulp_flow_db_parent_flow_count_accum_set(struct bnxt_ulp_context *ulp_ctxt, + uint32_t parent_idx) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + + flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt); + if (!flow_db) { + BNXT_TF_DBG(ERR, "Invalid Arguments\n"); + return -EINVAL; + } + + /* check for parent idx validity */ + p_pdb = &flow_db->parent_child_db; + if (parent_idx >= p_pdb->entries_count || + !p_pdb->parent_flow_tbl[parent_idx].parent_fid) { + BNXT_TF_DBG(ERR, "Invalid parent flow index %x\n", parent_idx); + return -EINVAL; + } + + p_pdb->parent_flow_tbl[parent_idx].counter_acc = 1; + return 0; +} + +/* + * Get the counter accumulation in the parent flow + * + * ulp_ctxt [in] Ptr to ulp_context + * parent_fid [in] The flow id of the parent flow entry + * + * returns 0 if counter accum is set else -1. + */ +static int32_t +ulp_flow_db_parent_flow_count_accum_get(struct bnxt_ulp_context *ulp_ctxt, + uint32_t parent_fid) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + uint32_t idx; + + /* validate the arguments */ + flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid); + if (!flow_db) { + BNXT_TF_DBG(ERR, "parent child db validation failed\n"); + return -EINVAL; + } + + p_pdb = &flow_db->parent_child_db; + for (idx = 0; idx < p_pdb->entries_count; idx++) { + if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) { + if (p_pdb->parent_flow_tbl[idx].counter_acc) + return 0; + break; + } + } + return -1; +} + +/* + * Orphan the child flow entry + * This is called only for child flows that have + * BNXT_ULP_RESOURCE_FUNC_CHILD_FLOW resource + * + * ulp_ctxt [in] Ptr to ulp_context + * flow_type [in] Specify it is regular or default flow + * fid [in] The index to the flow entry + * + * Returns 0 on success and negative on failure. + */ +int32_t +ulp_flow_db_child_flow_reset(struct bnxt_ulp_context *ulp_ctxt, + enum bnxt_ulp_fdb_type flow_type, + uint32_t fid) +{ + struct bnxt_ulp_flow_db *flow_db; + struct bnxt_ulp_flow_tbl *flow_tbl; + struct ulp_fdb_resource_info *fid_res; + uint32_t res_id = 0; + + flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt); + if (!flow_db) { + BNXT_TF_DBG(ERR, "Invalid Arguments\n"); + return -EINVAL; + } + + if (flow_type >= BNXT_ULP_FDB_TYPE_LAST) { + BNXT_TF_DBG(ERR, "Invalid flow type\n"); + return -EINVAL; + } + + flow_tbl = &flow_db->flow_tbl; + /* check for max flows */ + if (fid >= flow_tbl->num_flows || !fid) { + BNXT_TF_DBG(ERR, "Invalid flow index %x\n", fid); + return -EINVAL; + } + + /* check if the flow is active or not */ + if (!ulp_flow_db_active_flows_bit_is_set(flow_db, flow_type, fid)) { + BNXT_TF_DBG(ERR, "flow does not exist\n"); + return -EINVAL; + } + + /* Iterate the resource to get the resource handle */ + res_id = fid; + while (res_id) { + fid_res = &flow_tbl->flow_resources[res_id]; + if (ulp_flow_db_resource_func_get(fid_res) == + BNXT_ULP_RESOURCE_FUNC_CHILD_FLOW) { + /* invalidate the resource details */ + fid_res->resource_hndl = 0; + return 0; + } + res_id = 0; + ULP_FLOW_DB_RES_NXT_SET(res_id, fid_res->nxt_resource_idx); + } + /* failed */ + return -1; +} + +/* + * Create parent flow in the parent flow tbl + * + * parms [in] Ptr to mapper params + * + * Returns 0 on success and negative on failure. + */ +int32_t +ulp_flow_db_parent_flow_create(struct bnxt_ulp_mapper_parms *parms) +{ + struct ulp_flow_db_res_params fid_parms; + uint32_t sub_typ = BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT_ACC; + struct ulp_flow_db_res_params res_params; + int32_t fid_idx, rc; + + /* create the child flow entry in parent flow table */ + fid_idx = ulp_flow_db_parent_flow_alloc(parms->ulp_ctx, parms->fid); + if (fid_idx < 0) { + BNXT_TF_DBG(ERR, "Error in creating parent flow fid %x\n", + parms->fid); + return -1; + } + + /* Add the parent details in the resource list of the flow */ + memset(&fid_parms, 0, sizeof(fid_parms)); + fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_PARENT_FLOW; + fid_parms.resource_hndl = fid_idx; + fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO; + if (ulp_flow_db_resource_add(parms->ulp_ctx, BNXT_ULP_FDB_TYPE_REGULAR, + parms->fid, &fid_parms)) { + BNXT_TF_DBG(ERR, "Error in adding flow res for fid %x\n", + parms->fid); + return -1; + } + + /* check of the flow has internal counter accumulation enabled */ + if (!ulp_flow_db_resource_params_get(parms->ulp_ctx, + BNXT_ULP_FDB_TYPE_REGULAR, + parms->fid, + BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE, + sub_typ, + &res_params)) { + /* Enable the counter accumulation in parent entry */ + if (ulp_flow_db_parent_flow_count_accum_set(parms->ulp_ctx, + fid_idx)) { + BNXT_TF_DBG(ERR, "Error in setting counter acc %x\n", + parms->fid); + return -1; + } + } + + rc = ulp_flow_db_parent_tun_idx_set(parms->ulp_ctx, fid_idx, + parms->tun_idx); + if (rc) { + BNXT_TF_DBG(ERR, "Error setting tun_idx in the parent flow\n"); + return rc; + } + + return 0; +} + +/* + * Create child flow in the parent flow tbl + * + * parms [in] Ptr to mapper params + * + * Returns 0 on success and negative on failure. + */ +int32_t +ulp_flow_db_child_flow_create(struct bnxt_ulp_mapper_parms *parms) +{ + struct ulp_flow_db_res_params fid_parms; + uint32_t sub_type = BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TABLE_INT_COUNT; + enum bnxt_ulp_resource_func res_fun; + struct ulp_flow_db_res_params res_p; + uint32_t parent_fid = parms->parent_fid; + int32_t rc; + + /* create the parent flow entry in parent flow table */ + rc = ulp_flow_db_parent_child_flow_set(parms->ulp_ctx, + parms->parent_fid, + parms->fid, 1); + if (rc) { + BNXT_TF_DBG(ERR, "Error in setting child fid %x\n", parms->fid); + return rc; + } + + /* Add the parent details in the resource list of the flow */ + memset(&fid_parms, 0, sizeof(fid_parms)); + fid_parms.resource_func = BNXT_ULP_RESOURCE_FUNC_CHILD_FLOW; + fid_parms.resource_hndl = parms->parent_fid; + fid_parms.critical_resource = BNXT_ULP_CRITICAL_RESOURCE_NO; + rc = ulp_flow_db_resource_add(parms->ulp_ctx, + BNXT_ULP_FDB_TYPE_REGULAR, + parms->fid, &fid_parms); + if (rc) { + BNXT_TF_DBG(ERR, "Error in adding flow res for fid %x\n", + parms->fid); + return rc; + } + + /* check if accumulation count is set for parent flow */ + rc = ulp_flow_db_parent_flow_count_accum_get(parms->ulp_ctx, + parms->parent_fid); + if (!rc) { + /* check if internal count action included for this flow.*/ + res_fun = BNXT_ULP_RESOURCE_FUNC_INDEX_TABLE; + rc = ulp_flow_db_resource_params_get(parms->ulp_ctx, + BNXT_ULP_FDB_TYPE_REGULAR, + parms->fid, + res_fun, + sub_type, + &res_p); + if (!rc) { + /* update the counter manager to include parent fid */ + if (ulp_fc_mgr_cntr_parent_flow_set(parms->ulp_ctx, + res_p.direction, + res_p.resource_hndl, + parent_fid)) { + BNXT_TF_DBG(ERR, "Error in setting child %x\n", + parms->fid); + return -1; + } + } + } + /* return success */ + return 0; +} + +/* + * Update the parent counters + * + * ulp_ctxt [in] Ptr to ulp_context + * parent_fid [in] The flow id of the parent flow entry + * packet_count [in] - packet count + * byte_count [in] - byte count + * + * returns 0 on success + */ +int32_t +ulp_flow_db_parent_flow_count_update(struct bnxt_ulp_context *ulp_ctxt, + uint32_t parent_fid, + uint64_t packet_count, + uint64_t byte_count) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + uint32_t idx; + + /* validate the arguments */ + flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid); + if (!flow_db) { + BNXT_TF_DBG(ERR, "parent child db validation failed\n"); + return -EINVAL; + } + + p_pdb = &flow_db->parent_child_db; + for (idx = 0; idx < p_pdb->entries_count; idx++) { + if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) { + if (p_pdb->parent_flow_tbl[idx].counter_acc) { + p_pdb->parent_flow_tbl[idx].pkt_count += + packet_count; + p_pdb->parent_flow_tbl[idx].byte_count += + byte_count; + } + return 0; + } + } + return -ENOENT; +} + +/* + * Get the parent accumulation counters + * + * ulp_ctxt [in] Ptr to ulp_context + * parent_fid [in] The flow id of the parent flow entry + * packet_count [out] - packet count + * byte_count [out] - byte count + * + * returns 0 on success + */ +int32_t +ulp_flow_db_parent_flow_count_get(struct bnxt_ulp_context *ulp_ctxt, + uint32_t parent_fid, uint64_t *packet_count, + uint64_t *byte_count, uint8_t count_reset) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + uint32_t idx; + + /* validate the arguments */ + flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, parent_fid); + if (!flow_db) { + BNXT_TF_DBG(ERR, "parent child db validation failed\n"); + return -EINVAL; + } + + p_pdb = &flow_db->parent_child_db; + for (idx = 0; idx < p_pdb->entries_count; idx++) { + if (p_pdb->parent_flow_tbl[idx].parent_fid == parent_fid) { + if (p_pdb->parent_flow_tbl[idx].counter_acc) { + *packet_count = + p_pdb->parent_flow_tbl[idx].pkt_count; + *byte_count = + p_pdb->parent_flow_tbl[idx].byte_count; + if (count_reset) { + p_pdb->parent_flow_tbl[idx].pkt_count = 0; + p_pdb->parent_flow_tbl[idx].byte_count = 0; + } + } + return 0; + } + } + return -ENOENT; +} + +/* + * reset the parent accumulation counters + * + * ulp_ctxt [in] Ptr to ulp_context + * + * returns none + */ +void +ulp_flow_db_parent_flow_count_reset(struct bnxt_ulp_context *ulp_ctxt) +{ + struct bnxt_ulp_flow_db *flow_db; + struct ulp_fdb_parent_child_db *p_pdb; + uint32_t idx; + + /* validate the arguments */ + flow_db = ulp_flow_db_parent_arg_validation(ulp_ctxt, 1); + if (!flow_db) { + BNXT_TF_DBG(ERR, "parent child db validation failed\n"); + return; + } + + p_pdb = &flow_db->parent_child_db; + for (idx = 0; idx < p_pdb->entries_count; idx++) { + if (p_pdb->parent_flow_tbl[idx].parent_fid && + p_pdb->parent_flow_tbl[idx].counter_acc) { + p_pdb->parent_flow_tbl[idx].pkt_count = 0; + p_pdb->parent_flow_tbl[idx].byte_count = 0; + } + } +} + +/* + * Set the shared bit for the flow db entry + * + * res [in] Ptr to fdb entry + * shared [in] shared flag + * + * returns none + */ +void ulp_flow_db_shared_session_set(struct ulp_flow_db_res_params *res, + enum bnxt_ulp_shared_session shared) +{ + if (res && (shared & BNXT_ULP_SHARED_SESSION_YES)) + res->fdb_flags |= ULP_FDB_FLAG_SHARED_SESSION; +}