/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2014-2019 Broadcom
+ * Copyright(c) 2014-2021 Broadcom
* All rights reserved.
*/
#define _ULP_FLOW_DB_H_
#include "bnxt_ulp.h"
-#include "ulp_template_db.h"
+#include "ulp_template_db_enum.h"
+#include "ulp_mapper.h"
-#define BNXT_FLOW_DB_DEFAULT_NUM_FLOWS 128
-#define BNXT_FLOW_DB_DEFAULT_NUM_RESOURCES 5
+#define BNXT_FLOW_DB_DEFAULT_NUM_FLOWS 512
+#define BNXT_FLOW_DB_DEFAULT_NUM_RESOURCES 8
-/* Structure for the flow database resource information. */
+/* Defines for the fdb flag */
+#define ULP_FDB_FLAG_SHARED_SESSION 0x1
+
+/*
+ * Structure for the flow database resource information
+ * The below structure is based on the below partitions
+ * nxt_resource_idx = dir[31],resource_func_upper[30:28],nxt_resource_idx[27:0]
+ * If resource_func is EM_TBL then use resource_em_handle.
+ * Else the other part of the union is used and
+ * resource_func is resource_func_upper[30:28] << 5 | resource_func_lower
+ */
struct ulp_fdb_resource_info {
/* Points to next resource in the chained list. */
- uint32_t nxt_resource_idx;
+ uint32_t nxt_resource_idx;
union {
- uint64_t resource_em_handle;
+ uint64_t resource_em_handle;
struct {
- uint32_t resource_type;
+ uint8_t resource_func_lower;
+ uint8_t resource_type;
+ uint8_t resource_sub_type;
+ uint8_t fdb_flags;
uint32_t resource_hndl;
};
};
uint32_t tail_index;
/* Table to track the active flows. */
- uint64_t *active_flow_tbl;
+ uint64_t *active_reg_flows;
+ uint64_t *active_dflt_flows;
uint32_t num_flows;
uint32_t num_resources;
};
-/* Flow database supports two tables. */
-enum bnxt_ulp_flow_db_tables {
- BNXT_ULP_REGULAR_FLOW_TABLE,
- BNXT_ULP_DEFAULT_FLOW_TABLE,
- BNXT_ULP_FLOW_TABLE_MAX
+/* Structure to maintain parent-child flow relationships */
+struct ulp_fdb_parent_info {
+ uint32_t parent_fid;
+ uint32_t counter_acc;
+ uint64_t pkt_count;
+ uint64_t byte_count;
+ uint64_t *child_fid_bitset;
+ uint32_t f2_cnt;
+ uint8_t tun_idx;
+};
+
+/* Structure to maintain parent-child flow relationships */
+struct ulp_fdb_parent_child_db {
+ struct ulp_fdb_parent_info *parent_flow_tbl;
+ uint32_t child_bitset_size;
+ uint32_t entries_count;
+ uint8_t *parent_flow_tbl_mem;
};
/* Structure for the flow database resource information. */
struct bnxt_ulp_flow_db {
- struct bnxt_ulp_flow_tbl flow_tbl[BNXT_ULP_FLOW_TABLE_MAX];
+ struct bnxt_ulp_flow_tbl flow_tbl;
+ uint16_t *func_id_tbl;
+ uint32_t func_id_tbl_size;
+ struct ulp_fdb_parent_child_db parent_child_db;
};
/* flow db resource params to add resources */
struct ulp_flow_db_res_params {
enum tf_dir direction;
enum bnxt_ulp_resource_func resource_func;
+ uint8_t resource_type;
+ uint8_t resource_sub_type;
+ uint8_t fdb_flags;
+ uint8_t critical_resource;
uint64_t resource_hndl;
- uint32_t resource_type;
- uint32_t critical_resource;
};
/*
*
* ulp_ctxt [in] Ptr to ulp_context
* tbl_idx [in] Specify it is regular or default flow
+ * func_id [in] The function id of the device.Valid only for regular flows.
* 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);
/*
* Allocate the flow database entry.
*
* 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);
/*
* Free the flow database entry.
*
* 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);
/*
* Free the flow database 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 tbl_idx,
+ uint32_t fid);
+
+/*
+ *Get the flow database entry details
+ *
+ * ulp_ctxt [in] Ptr to ulp_context
+ * tbl_idx [in] Specify it is regular or default flow
+ * 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);
+
+/*
+ * Flush all flows in the flow database.
+ *
+ * ulp_ctxt [in] Ptr to ulp context
+ * tbl_idx [in] The index to table
+ *
+ * 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);
+
+/*
+ * Flush all flows in the flow database that belong to a device function.
+ *
+ * ulp_ctxt [in] Ptr to ulp context
+ * tbl_idx [in] The index to table
+ *
+ * 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);
+
+/*
+ * 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);
+
+/*
+ * Check that flow id matches the function id or not
+ *
+ * ulp_ctxt [in] Ptr to ulp context
+ * flow_id [in] flow id of the flow.
+ * 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);
+
+/*
+ * 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);
+/*
+ * 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);
+
+/*
+ * 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);
+
+/*
+ * 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);
+
+/*
+ * 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);
+
+/*
+ * 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);
+
+/*
+ * 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);
+
+/*
+ * 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);
+
+/*
+ * 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);
+
+/*
+ * 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);
+/*
+ * 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);
+
+/*
+ * 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);
+
+/*
+ * 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);
#endif /* _ULP_FLOW_DB_H_ */
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