mempool: use SPDX tags

[dpdk.git] / lib / librte_meter / rte_meter.h

diff --git a/lib/librte_meter/rte_meter.h b/lib/librte_meter/rte_meter.h
index 92728a5..ebdc453 100644 (file)
--- a/lib/librte_meter/rte_meter.h
+++ b/lib/librte_meter/rte_meter.h
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   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
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * 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
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #ifndef __INCLUDE_RTE_METER_H__
@@ -123,7 +94,7 @@ rte_meter_trtcm_config(struct rte_meter_trtcm *m,
  *    Handle to srTCM instance
  * @param time
  *    Current CPU time stamp (measured in CPU cycles)
- * @param pkt_length
+ * @param pkt_len
  *    Length of the current IP packet (measured in bytes)
  * @return
  *    Color assigned to the current IP packet
@@ -140,7 +111,7 @@ rte_meter_srtcm_color_blind_check(struct rte_meter_srtcm *m,
  *    Handle to srTCM instance
  * @param time
  *    Current CPU time stamp (measured in CPU cycles)
- * @param pkt_length
+ * @param pkt_len
  *    Length of the current IP packet (measured in bytes)
  * @param pkt_color
  *    Input color of the current IP packet
@@ -160,7 +131,7 @@ rte_meter_srtcm_color_aware_check(struct rte_meter_srtcm *m,
  *    Handle to trTCM instance
  * @param time
  *    Current CPU time stamp (measured in CPU cycles)
- * @param pkt_length
+ * @param pkt_len
  *    Length of the current IP packet (measured in bytes)
  * @return
  *    Color assigned to the current IP packet
@@ -177,7 +148,7 @@ rte_meter_trtcm_color_blind_check(struct rte_meter_trtcm *m,
  *    Handle to trTCM instance
  * @param time
  *    Current CPU time stamp (measured in CPU cycles)
- * @param pkt_length
+ * @param pkt_len
  *    Length of the current IP packet (measured in bytes)
  * @param pkt_color
  *    Input color of the current IP packet
@@ -232,13 +203,15 @@ rte_meter_srtcm_color_blind_check(struct rte_meter_srtcm *m,
        n_periods = time_diff / m->cir_period;
        m->time += n_periods * m->cir_period;
 
+       /* Put the tokens overflowing from tc into te bucket */
        tc = m->tc + n_periods * m->cir_bytes_per_period;
-       if (tc > m->cbs)
+       te = m->te;
+       if (tc > m->cbs) {
+               te += (tc - m->cbs);
+               if (te > m->ebs)
+                       te = m->ebs;
                tc = m->cbs;
-
-       te = m->te + n_periods * m->cir_bytes_per_period;
-       if (te > m->ebs)
-               te = m->ebs;
+       }
 
        /* Color logic */
        if (tc >= pkt_len) {
@@ -271,13 +244,15 @@ rte_meter_srtcm_color_aware_check(struct rte_meter_srtcm *m,
        n_periods = time_diff / m->cir_period;
        m->time += n_periods * m->cir_period;
 
+       /* Put the tokens overflowing from tc into te bucket */
        tc = m->tc + n_periods * m->cir_bytes_per_period;
-       if (tc > m->cbs)
+       te = m->te;
+       if (tc > m->cbs) {
+               te += (tc - m->cbs);
+               if (te > m->ebs)
+                       te = m->ebs;
                tc = m->cbs;
-
-       te = m->te + n_periods * m->cir_bytes_per_period;
-       if (te > m->ebs)
-               te = m->ebs;
+       }
 
        /* Color logic */
        if ((pkt_color == e_RTE_METER_GREEN) && (tc >= pkt_len)) {