1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2020 Intel Corporation
8 #include <rte_common.h>
9 #include <rte_cycles.h>
10 #include <rte_malloc.h>
12 #ifdef __INTEL_COMPILER
13 #pragma warning(disable:2259) /* conversion may lose significant bits */
17 rte_pie_rt_data_init(struct rte_pie *pie)
20 /* Allocate memory to use the PIE data structure */
21 pie = rte_malloc(NULL, sizeof(struct rte_pie), 0);
24 RTE_LOG(ERR, SCHED, "%s: Memory allocation fails\n", __func__);
30 pie->in_measurement = 0;
31 pie->departed_bytes_count = 0;
32 pie->start_measurement = 0;
33 pie->last_measurement = 0;
36 pie->burst_allowance = 0;
45 rte_pie_config_init(struct rte_pie_config *pie_cfg,
46 const uint16_t qdelay_ref,
47 const uint16_t dp_update_interval,
48 const uint16_t max_burst,
49 const uint16_t tailq_th)
51 uint64_t tsc_hz = rte_get_tsc_hz();
56 if (qdelay_ref <= 0) {
58 "%s: Incorrect value for qdelay_ref\n", __func__);
62 if (dp_update_interval <= 0) {
64 "%s: Incorrect value for dp_update_interval\n", __func__);
70 "%s: Incorrect value for max_burst\n", __func__);
76 "%s: Incorrect value for tailq_th\n", __func__);
80 pie_cfg->qdelay_ref = (tsc_hz * qdelay_ref) / 1000;
81 pie_cfg->dp_update_interval = (tsc_hz * dp_update_interval) / 1000;
82 pie_cfg->max_burst = (tsc_hz * max_burst) / 1000;
83 pie_cfg->tailq_th = tailq_th;