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Diffstat (limited to 'lib/librte_bitratestats/rte_bitrate.h')
-rw-r--r-- | lib/librte_bitratestats/rte_bitrate.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/lib/librte_bitratestats/rte_bitrate.h b/lib/librte_bitratestats/rte_bitrate.h new file mode 100644 index 00000000..15fc270a --- /dev/null +++ b/lib/librte_bitratestats/rte_bitrate.h @@ -0,0 +1,94 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2017 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. + */ + +#ifndef _RTE_BITRATE_H_ +#define _RTE_BITRATE_H_ + +#include <stdint.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * Bitrate statistics data structure. + * This data structure is intentionally opaque. + */ +struct rte_stats_bitrates; + + +/** + * Allocate a bitrate statistics structure + * + * @return + * - Pointer to structure on success + * - NULL on error (zmalloc failure) + */ +struct rte_stats_bitrates *rte_stats_bitrate_create(void); + + +/** + * Register bitrate statistics with the metric library. + * + * @param bitrate_data + * Pointer allocated by rte_stats_create() + * + * @return + * Zero on success + * Negative on error + */ +int rte_stats_bitrate_reg(struct rte_stats_bitrates *bitrate_data); + + +/** + * Calculate statistics for current time window. The period with which + * this function is called should be the intended sampling window width. + * + * @param bitrate_data + * Bitrate statistics data pointer + * + * @param port_id + * Port id to calculate statistics for + * + * @return + * - Zero on success + * - Negative value on error + */ +int rte_stats_bitrate_calc(struct rte_stats_bitrates *bitrate_data, + uint8_t port_id); + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_BITRATE_H_ */ |