1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2014-2021 Broadcom
12 #define ULP_FLAG_FC_THREAD BIT(0)
13 #define ULP_FC_TIMER 1/* Timer freq in Sec Flow Counters */
15 /* Macros to extract packet/byte counters from a 64-bit flow counter. */
16 #define FLOW_CNTR_BYTE_WIDTH 36
17 #define FLOW_CNTR_BYTE_MASK (((uint64_t)1 << FLOW_CNTR_BYTE_WIDTH) - 1)
19 #define FLOW_CNTR_PKTS(v, d) (((v) & (d)->packet_count_mask) >> \
20 (d)->packet_count_shift)
21 #define FLOW_CNTR_BYTES(v, d) (((v) & (d)->byte_count_mask) >> \
22 (d)->byte_count_shift)
24 struct sw_acc_counter {
29 uint32_t parent_flow_id;
32 struct hw_fc_mem_info {
34 * [out] mem_va, pointer to the allocated memory.
38 * [out] mem_pa, physical address of the allocated memory.
42 bool start_idx_is_set;
45 struct bnxt_ulp_fc_info {
46 struct sw_acc_counter *sw_acc_tbl[TF_DIR_MAX];
47 struct hw_fc_mem_info shadow_hw_tbl[TF_DIR_MAX];
50 pthread_mutex_t fc_lock;
54 ulp_fc_mgr_init(struct bnxt_ulp_context *ctxt);
57 * Release all resources in the flow counter manager for this ulp context
59 * ctxt [in] The ulp context for the flow counter manager
62 ulp_fc_mgr_deinit(struct bnxt_ulp_context *ctxt);
65 * Setup the Flow counter timer thread that will fetch/accumulate raw counter
66 * data from the chip's internal flow counters
68 * ctxt [in] The ulp context for the flow counter manager
71 ulp_fc_mgr_thread_start(struct bnxt_ulp_context *ctxt);
74 * Alarm handler that will issue the TF-Core API to fetch
75 * data from the chip's internal flow counters
77 * ctxt [in] The ulp context for the flow counter manager
80 ulp_fc_mgr_alarm_cb(void *arg);
83 * Cancel the alarm handler
85 * ctxt [in] The ulp context for the flow counter manager
88 void ulp_fc_mgr_thread_cancel(struct bnxt_ulp_context *ctxt);
91 * Set the starting index that indicates the first HW flow
94 * ctxt [in] The ulp context for the flow counter manager
96 * dir [in] The direction of the flow
98 * start_idx [in] The HW flow counter ID
101 int ulp_fc_mgr_start_idx_set(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
105 * Set the corresponding SW accumulator table entry based on
106 * the difference between this counter ID and the starting
107 * counter ID. Also, keep track of num of active counter enabled
110 * ctxt [in] The ulp context for the flow counter manager
112 * dir [in] The direction of the flow
114 * hw_cntr_id [in] The HW flow counter ID
117 int ulp_fc_mgr_cntr_set(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
118 uint32_t hw_cntr_id);
120 * Reset the corresponding SW accumulator table entry based on
121 * the difference between this counter ID and the starting
124 * ctxt [in] The ulp context for the flow counter manager
126 * dir [in] The direction of the flow
128 * hw_cntr_id [in] The HW flow counter ID
131 int ulp_fc_mgr_cntr_reset(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
132 uint32_t hw_cntr_id);
134 * Check if the starting HW counter ID value is set in the
135 * flow counter manager.
137 * ctxt [in] The ulp context for the flow counter manager
139 * dir [in] The direction of the flow
142 bool ulp_fc_mgr_start_idx_isset(struct bnxt_ulp_context *ctxt, enum tf_dir dir);
145 * Check if the alarm thread that walks through the flows is started
147 * ctxt [in] The ulp context for the flow counter manager
150 bool ulp_fc_mgr_thread_isstarted(struct bnxt_ulp_context *ctxt);
153 * Fill the rte_flow_query_count 'data' argument passed
154 * in the rte_flow_query() with the values obtained and
155 * accumulated locally.
157 * ctxt [in] The ulp context for the flow counter manager
159 * flow_id [in] The HW flow ID
161 * count [out] The rte_flow_query_count 'data' that is set
164 int ulp_fc_mgr_query_count_get(struct bnxt_ulp_context *ulp_ctx,
166 struct rte_flow_query_count *count);
169 * Set the parent flow if in the SW accumulator table entry
171 * ctxt [in] The ulp context for the flow counter manager
173 * dir [in] The direction of the flow
175 * hw_cntr_id [in] The HW flow counter ID
177 * fid [in] parent flow id
180 int32_t ulp_fc_mgr_cntr_parent_flow_set(struct bnxt_ulp_context *ctxt,
185 #endif /* _ULP_FC_MGR_H_ */