/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
- *
+ *
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
rte_meter_get_tb_params(uint64_t hz, uint64_t rate, uint64_t *tb_period, uint64_t *tb_bytes_per_period)
{
double period = ((double) hz) / ((double) rate);
-
+
if (period >= RTE_METER_TB_PERIOD_MIN) {
*tb_bytes_per_period = 1;
*tb_period = (uint64_t) period;
rte_meter_srtcm_config(struct rte_meter_srtcm *m, struct rte_meter_srtcm_params *params)
{
uint64_t hz;
-
+
/* Check input parameters */
if ((m == NULL) || (params == NULL)) {
return -1;
}
-
+
if ((params->cir == 0) || ((params->cbs == 0) && (params->ebs == 0))) {
return -2;
}
-
+
/* Initialize srTCM run-time structure */
hz = rte_get_tsc_hz();
m->time = rte_get_tsc_cycles();
m->tc = m->cbs = params->cbs;
m->te = m->ebs = params->ebs;
rte_meter_get_tb_params(hz, params->cir, &m->cir_period, &m->cir_bytes_per_period);
-
+
RTE_LOG(INFO, METER, "Low level srTCM config: \n"
"\tCIR period = %" PRIu64 ", CIR bytes per period = %" PRIu64 "\n",
m->cir_period, m->cir_bytes_per_period);
-
+
return 0;
}
rte_meter_trtcm_config(struct rte_meter_trtcm *m, struct rte_meter_trtcm_params *params)
{
uint64_t hz;
-
+
/* Check input parameters */
if ((m == NULL) || (params == NULL)) {
return -1;
}
-
+
if ((params->cir == 0) || (params->pir == 0) || (params->pir < params->cir) ||
(params->cbs == 0) || (params->pbs == 0)) {
return -2;
}
-
+
/* Initialize trTCM run-time structure */
hz = rte_get_tsc_hz();
m->time_tc = m->time_tp = rte_get_tsc_cycles();
m->tp = m->pbs = params->pbs;
rte_meter_get_tb_params(hz, params->cir, &m->cir_period, &m->cir_bytes_per_period);
rte_meter_get_tb_params(hz, params->pir, &m->pir_period, &m->pir_bytes_per_period);
-
+
RTE_LOG(INFO, METER, "Low level trTCM config: \n"
"\tCIR period = %" PRIu64 ", CIR bytes per period = %" PRIu64 "\n"
"\tPIR period = %" PRIu64 ", PIR bytes per period = %" PRIu64 "\n",
m->cir_period, m->cir_bytes_per_period,
m->pir_period, m->pir_bytes_per_period);
-
+
return 0;
}