/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2014-2020 Broadcom
+ * Copyright(c) 2014-2021 Broadcom
* All rights reserved.
*/
#include <rte_malloc.h>
#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) &\
#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)
+ ULP_INDEX_BITMAP_SET(f_tbl->active_reg_flows[a_idx],
+ idx);
+ else
+ ULP_INDEX_BITMAP_SET(f_tbl->active_dflt_flows[a_idx],
+ idx);
+ } else {
+ if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR)
+ ULP_INDEX_BITMAP_RESET(f_tbl->active_reg_flows[a_idx],
+ idx);
+ else
+ 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;
+
+ if (flow_type == BNXT_ULP_FDB_TYPE_REGULAR)
+ return ULP_INDEX_BITMAP_GET(f_tbl->active_reg_flows[a_idx],
+ idx);
+ else
+ return ULP_INDEX_BITMAP_GET(f_tbl->active_dflt_flows[a_idx],
+ idx);
+}
+
+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 reource 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;
}
/*
* 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 != BNXT_ULP_RESOURCE_FUNC_EM_TABLE) {
+ 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_EXT_EM_TABLE &&
+ params->resource_func != BNXT_ULP_RESOURCE_FUNC_INT_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->reserved = params->reserved;
} else {
resource_info->resource_em_handle = params->resource_hndl;
}
* 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_EXT_EM_TABLE ||
+ params->resource_func == BNXT_ULP_RESOURCE_FUNC_INT_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->reserved = resource_info->reserved;
}
}
* 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 =
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;
}
* 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) {
}
}
+/*
+ * 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.
*
* 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)) {
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 */
+ bnxt_ulp_cntxt_mem_type_get(ulp_ctxt, &mtype);
+ 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);
*
* 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;
}
+/*
+ * Allocate the flow database entry
+ *
+ * ulp_ctxt [in] Ptr to ulp_context
+ * 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_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;
+
+ *fid = 0; /* Initialize fid to invalid value */
+ 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_DEFAULT) {
+ 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++;
+
+ /* 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;
+}
+
/*
* Allocate the flow database entry.
* 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;
+ uint32_t idx;
flow_db = bnxt_ulp_cntxt_ptr2_flow_db_get(ulp_ctxt);
if (!flow_db) {
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_DEFAULT) {
+ 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");
}
/* check if the flow is active or not */
- if (!ulp_flow_db_active_flow_is_set(flow_tbl, fid)) {
+ 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;
}
/* 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;
}
ulp_flow_db_res_params_to_info(fid_resource, params);
}
+ if (params->resource_type == TF_TBL_TYPE_ACT_STATS_64 &&
+ params->resource_sub_type ==
+ BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_INT_COUNT) {
+ /* 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;
}
* 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.
*
* 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) {
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_DEFAULT) {
+ 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)) {
+ 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;
}
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_TYPE_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;
}
* 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) {
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_DEFAULT) {
+ 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) {
}
/* check if the flow is active or not */
- if (!ulp_flow_db_active_flow_is_set(flow_tbl, fid)) {
+ 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;
}
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_DEFAULT) {
+ 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
+ *
+ * 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_db *flow_db,
+ enum bnxt_ulp_fdb_type flow_type,
+ uint32_t *fid)
+{
+ 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
+ active_flows = flowtbl->active_dflt_flows;
+
+ 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;
+ 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_flows_bit_is_set(flow_db, flow_type,
+ lfid));
/* all good, return success */
+ *fid = lfid;
return 0;
}
+
+/*
+ * Flush all flows in the flow database.
+ *
+ * ulp_ctxt [in] Ptr to ulp context
+ * 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,
+ enum bnxt_ulp_fdb_type flow_type)
+{
+ uint32_t fid = 0;
+ struct bnxt_ulp_flow_db *flow_db;
+
+ if (!ulp_ctx) {
+ 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, 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_DEFAULT) {
+ 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_EXT_EM_TABLE ||
+ resource_func ==
+ BNXT_ULP_RESOURCE_FUNC_INT_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_type = BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_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_type, ¶ms);
+ if (rc) {
+ BNXT_TF_DBG(ERR, "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_DEFAULT) {
+ 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_type = BNXT_ULP_RESOURCE_SUB_TYPE_INDEX_TYPE_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_type,
+ &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_TYPE_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;
+ }
+ }
+}
git.droids-corp.org / dpdk.git / blobdiff