2013-06-03 00:00:00 +00:00
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/*-
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* BSD LICENSE
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2014-06-03 23:42:50 +00:00
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*
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2014-02-10 11:46:50 +00:00
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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2013-06-03 00:00:00 +00:00
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* All rights reserved.
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2014-06-03 23:42:50 +00:00
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*
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2013-09-18 10:00:00 +00:00
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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2013-06-03 00:00:00 +00:00
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* are met:
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2014-06-03 23:42:50 +00:00
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*
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2013-09-18 10:00:00 +00:00
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* * Redistributions of source code must retain the above copyright
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2013-06-03 00:00:00 +00:00
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* notice, this list of conditions and the following disclaimer.
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2013-09-18 10:00:00 +00:00
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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2013-06-03 00:00:00 +00:00
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* distribution.
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2013-09-18 10:00:00 +00:00
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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2013-06-03 00:00:00 +00:00
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* from this software without specific prior written permission.
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2014-06-03 23:42:50 +00:00
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*
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2013-09-18 10:00:00 +00:00
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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2013-06-03 00:00:00 +00:00
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <rte_common.h>
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#include <rte_log.h>
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#include <rte_memory.h>
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2014-05-14 16:25:25 +00:00
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#include <rte_malloc.h>
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2013-06-03 00:00:00 +00:00
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#include <rte_cycles.h>
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#include <rte_prefetch.h>
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#include <rte_branch_prediction.h>
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#include <rte_mbuf.h>
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#include "rte_sched.h"
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#include "rte_bitmap.h"
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#include "rte_sched_common.h"
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#include "rte_approx.h"
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2015-11-29 18:46:49 +00:00
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#include "rte_reciprocal.h"
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2013-06-03 00:00:00 +00:00
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#ifdef __INTEL_COMPILER
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#pragma warning(disable:2259) /* conversion may lose significant bits */
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#endif
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2015-11-13 17:58:34 +00:00
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#ifdef RTE_SCHED_VECTOR
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2015-12-02 02:39:27 +00:00
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#include <rte_vect.h>
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2015-12-05 22:27:56 +00:00
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#if defined(__SSE4__)
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#define SCHED_VECTOR_SSE4
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2015-12-02 02:39:27 +00:00
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#endif
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2013-06-03 00:00:00 +00:00
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#endif
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#define RTE_SCHED_TB_RATE_CONFIG_ERR (1e-7)
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#define RTE_SCHED_WRR_SHIFT 3
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#define RTE_SCHED_GRINDER_PCACHE_SIZE (64 / RTE_SCHED_QUEUES_PER_PIPE)
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#define RTE_SCHED_PIPE_INVALID UINT32_MAX
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#define RTE_SCHED_BMP_POS_INVALID UINT32_MAX
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2015-11-29 18:46:49 +00:00
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/* Scaling for cycles_per_byte calculation
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* Chosen so that minimum rate is 480 bit/sec
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*/
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#define RTE_SCHED_TIME_SHIFT 8
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2013-06-03 00:00:00 +00:00
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struct rte_sched_subport {
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/* Token bucket (TB) */
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uint64_t tb_time; /* time of last update */
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uint32_t tb_period;
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uint32_t tb_credits_per_period;
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uint32_t tb_size;
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uint32_t tb_credits;
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/* Traffic classes (TCs) */
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uint64_t tc_time; /* time of next update */
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uint32_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
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uint32_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
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uint32_t tc_period;
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* TC oversubscription */
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2013-07-22 22:00:00 +00:00
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uint32_t tc_ov_wm;
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uint32_t tc_ov_wm_min;
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uint32_t tc_ov_wm_max;
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2013-06-03 00:00:00 +00:00
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uint8_t tc_ov_period_id;
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2013-07-22 22:00:00 +00:00
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uint8_t tc_ov;
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uint32_t tc_ov_n;
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double tc_ov_rate;
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Statistics */
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struct rte_sched_subport_stats stats;
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};
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struct rte_sched_pipe_profile {
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/* Token bucket (TB) */
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uint32_t tb_period;
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uint32_t tb_credits_per_period;
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uint32_t tb_size;
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Pipe traffic classes */
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uint32_t tc_period;
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uint32_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
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2013-07-22 22:00:00 +00:00
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uint8_t tc_ov_weight;
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Pipe queues */
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uint8_t wrr_cost[RTE_SCHED_QUEUES_PER_PIPE];
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};
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struct rte_sched_pipe {
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/* Token bucket (TB) */
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uint64_t tb_time; /* time of last update */
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uint32_t tb_credits;
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/* Pipe profile and flags */
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uint32_t profile;
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Traffic classes (TCs) */
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uint64_t tc_time; /* time of next update */
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uint32_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Weighted Round Robin (WRR) */
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uint8_t wrr_tokens[RTE_SCHED_QUEUES_PER_PIPE];
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* TC oversubscription */
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2013-07-22 22:00:00 +00:00
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uint32_t tc_ov_credits;
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2013-06-03 00:00:00 +00:00
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uint8_t tc_ov_period_id;
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2013-07-22 22:00:00 +00:00
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uint8_t reserved[3];
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2013-06-03 00:00:00 +00:00
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} __rte_cache_aligned;
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struct rte_sched_queue {
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uint16_t qw;
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uint16_t qr;
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};
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struct rte_sched_queue_extra {
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struct rte_sched_queue_stats stats;
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#ifdef RTE_SCHED_RED
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struct rte_red red;
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#endif
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};
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enum grinder_state {
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e_GRINDER_PREFETCH_PIPE = 0,
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e_GRINDER_PREFETCH_TC_QUEUE_ARRAYS,
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e_GRINDER_PREFETCH_MBUF,
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e_GRINDER_READ_MBUF
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};
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2015-07-16 21:34:35 +00:00
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/*
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* Path through the scheduler hierarchy used by the scheduler enqueue
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* operation to identify the destination queue for the current
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* packet. Stored in the field pkt.hash.sched of struct rte_mbuf of
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* each packet, typically written by the classification stage and read
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* by scheduler enqueue.
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*/
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2015-11-13 17:58:27 +00:00
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struct rte_sched_port_hierarchy {
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2015-11-13 17:58:36 +00:00
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uint16_t queue:2; /**< Queue ID (0 .. 3) */
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uint16_t traffic_class:2; /**< Traffic class ID (0 .. 3)*/
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2015-07-16 21:34:35 +00:00
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uint32_t color:2; /**< Color */
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2015-11-13 17:58:36 +00:00
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uint16_t unused:10;
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uint16_t subport; /**< Subport ID */
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uint32_t pipe; /**< Pipe ID */
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2015-07-16 21:34:35 +00:00
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};
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2013-06-03 00:00:00 +00:00
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struct rte_sched_grinder {
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/* Pipe cache */
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uint16_t pcache_qmask[RTE_SCHED_GRINDER_PCACHE_SIZE];
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uint32_t pcache_qindex[RTE_SCHED_GRINDER_PCACHE_SIZE];
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uint32_t pcache_w;
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uint32_t pcache_r;
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Current pipe */
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enum grinder_state state;
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uint32_t productive;
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uint32_t pindex;
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struct rte_sched_subport *subport;
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struct rte_sched_pipe *pipe;
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struct rte_sched_pipe_profile *pipe_params;
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/* TC cache */
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uint8_t tccache_qmask[4];
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uint32_t tccache_qindex[4];
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uint32_t tccache_w;
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uint32_t tccache_r;
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Current TC */
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uint32_t tc_index;
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struct rte_sched_queue *queue[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
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struct rte_mbuf **qbase[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
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uint32_t qindex[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
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uint16_t qsize;
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uint32_t qmask;
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uint32_t qpos;
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struct rte_mbuf *pkt;
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2014-06-03 23:42:50 +00:00
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2013-07-22 22:00:00 +00:00
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/* WRR */
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2013-06-03 00:00:00 +00:00
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uint16_t wrr_tokens[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS];
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uint16_t wrr_mask[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS];
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uint8_t wrr_cost[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS];
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};
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struct rte_sched_port {
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/* User parameters */
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uint32_t n_subports_per_port;
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uint32_t n_pipes_per_subport;
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uint32_t rate;
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2013-07-22 22:00:00 +00:00
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uint32_t mtu;
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2013-06-03 00:00:00 +00:00
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uint32_t frame_overhead;
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uint16_t qsize[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
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uint32_t n_pipe_profiles;
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2013-07-22 22:00:00 +00:00
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uint32_t pipe_tc3_rate_max;
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2013-06-03 00:00:00 +00:00
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#ifdef RTE_SCHED_RED
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struct rte_red_config red_config[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE][e_RTE_METER_COLORS];
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#endif
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/* Timing */
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uint64_t time_cpu_cycles; /* Current CPU time measured in CPU cyles */
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uint64_t time_cpu_bytes; /* Current CPU time measured in bytes */
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uint64_t time; /* Current NIC TX time measured in bytes */
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2015-11-29 18:46:49 +00:00
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struct rte_reciprocal inv_cycles_per_byte; /* CPU cycles per byte */
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Scheduling loop detection */
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uint32_t pipe_loop;
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uint32_t pipe_exhaustion;
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/* Bitmap */
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2013-07-22 22:00:00 +00:00
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struct rte_bitmap *bmp;
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2013-06-03 00:00:00 +00:00
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uint32_t grinder_base_bmp_pos[RTE_SCHED_PORT_N_GRINDERS] __rte_aligned_16;
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Grinders */
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struct rte_sched_grinder grinder[RTE_SCHED_PORT_N_GRINDERS];
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uint32_t busy_grinders;
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struct rte_mbuf **pkts_out;
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uint32_t n_pkts_out;
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Queue base calculation */
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uint32_t qsize_add[RTE_SCHED_QUEUES_PER_PIPE];
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uint32_t qsize_sum;
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2014-06-03 23:42:50 +00:00
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2013-06-03 00:00:00 +00:00
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/* Large data structures */
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struct rte_sched_subport *subport;
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struct rte_sched_pipe *pipe;
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struct rte_sched_queue *queue;
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struct rte_sched_queue_extra *queue_extra;
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struct rte_sched_pipe_profile *pipe_profiles;
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uint8_t *bmp_array;
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struct rte_mbuf **queue_array;
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uint8_t memory[0] __rte_cache_aligned;
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} __rte_cache_aligned;
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enum rte_sched_port_array {
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e_RTE_SCHED_PORT_ARRAY_SUBPORT = 0,
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e_RTE_SCHED_PORT_ARRAY_PIPE,
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e_RTE_SCHED_PORT_ARRAY_QUEUE,
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e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA,
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e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES,
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e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY,
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e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY,
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e_RTE_SCHED_PORT_ARRAY_TOTAL,
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};
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#ifdef RTE_SCHED_COLLECT_STATS
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static inline uint32_t
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rte_sched_port_queues_per_subport(struct rte_sched_port *port)
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{
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return RTE_SCHED_QUEUES_PER_PIPE * port->n_pipes_per_subport;
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}
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#endif
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static inline uint32_t
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rte_sched_port_queues_per_port(struct rte_sched_port *port)
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{
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return RTE_SCHED_QUEUES_PER_PIPE * port->n_pipes_per_subport * port->n_subports_per_port;
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}
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2015-11-17 08:14:48 +00:00
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static inline struct rte_mbuf **
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rte_sched_port_qbase(struct rte_sched_port *port, uint32_t qindex)
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{
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uint32_t pindex = qindex >> 4;
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uint32_t qpos = qindex & 0xF;
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return (port->queue_array + pindex *
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port->qsize_sum + port->qsize_add[qpos]);
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}
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|
|
|
|
static inline uint16_t
|
|
|
|
rte_sched_port_qsize(struct rte_sched_port *port, uint32_t qindex)
|
|
|
|
{
|
|
|
|
uint32_t tc = (qindex >> 2) & 0x3;
|
|
|
|
|
|
|
|
return port->qsize[tc];
|
|
|
|
}
|
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
static int
|
|
|
|
rte_sched_port_check_params(struct rte_sched_port_params *params)
|
|
|
|
{
|
|
|
|
uint32_t i, j;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (params == NULL)
|
2013-06-03 00:00:00 +00:00
|
|
|
return -1;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* socket */
|
2015-11-13 17:58:35 +00:00
|
|
|
if ((params->socket < 0) || (params->socket >= RTE_MAX_NUMA_NODES))
|
2013-06-03 00:00:00 +00:00
|
|
|
return -3;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* rate */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (params->rate == 0)
|
2013-06-03 00:00:00 +00:00
|
|
|
return -4;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
/* mtu */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (params->mtu == 0)
|
2013-07-22 22:00:00 +00:00
|
|
|
return -5;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:36 +00:00
|
|
|
/* n_subports_per_port: non-zero, limited to 16 bits, power of 2 */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (params->n_subports_per_port == 0 ||
|
2015-11-13 17:58:36 +00:00
|
|
|
params->n_subports_per_port > 1u << 16 ||
|
2015-11-13 17:58:35 +00:00
|
|
|
!rte_is_power_of_2(params->n_subports_per_port))
|
2013-07-22 22:00:00 +00:00
|
|
|
return -6;
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
/* n_pipes_per_subport: non-zero, power of 2 */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (params->n_pipes_per_subport == 0 ||
|
|
|
|
!rte_is_power_of_2(params->n_pipes_per_subport))
|
2013-07-22 22:00:00 +00:00
|
|
|
return -7;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:28 +00:00
|
|
|
/* qsize: non-zero, power of 2,
|
2015-11-13 17:58:35 +00:00
|
|
|
* no bigger than 32K (due to 16-bit read/write pointers)
|
|
|
|
*/
|
|
|
|
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
|
2013-06-03 00:00:00 +00:00
|
|
|
uint16_t qsize = params->qsize[i];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (qsize == 0 || !rte_is_power_of_2(qsize))
|
2013-07-22 22:00:00 +00:00
|
|
|
return -8;
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* pipe_profiles and n_pipe_profiles */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (params->pipe_profiles == NULL ||
|
|
|
|
params->n_pipe_profiles == 0 ||
|
|
|
|
params->n_pipe_profiles > RTE_SCHED_PIPE_PROFILES_PER_PORT)
|
2013-07-22 22:00:00 +00:00
|
|
|
return -9;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < params->n_pipe_profiles; i++) {
|
2013-06-03 00:00:00 +00:00
|
|
|
struct rte_sched_pipe_params *p = params->pipe_profiles + i;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* TB rate: non-zero, not greater than port rate */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (p->tb_rate == 0 || p->tb_rate > params->rate)
|
2013-07-22 22:00:00 +00:00
|
|
|
return -10;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* TB size: non-zero */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (p->tb_size == 0)
|
2013-07-22 22:00:00 +00:00
|
|
|
return -11;
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
/* TC rate: non-zero, less than pipe rate */
|
2015-11-13 17:58:35 +00:00
|
|
|
for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
|
|
|
|
if (p->tc_rate[j] == 0 || p->tc_rate[j] > p->tb_rate)
|
2013-07-22 22:00:00 +00:00
|
|
|
return -12;
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* TC period: non-zero */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (p->tc_period == 0)
|
2013-07-22 22:00:00 +00:00
|
|
|
return -13;
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
#ifdef RTE_SCHED_SUBPORT_TC_OV
|
2013-07-22 22:00:00 +00:00
|
|
|
/* TC3 oversubscription weight: non-zero */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (p->tc_ov_weight == 0)
|
2013-07-22 22:00:00 +00:00
|
|
|
return -14;
|
2013-06-03 00:00:00 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Queue WRR weights: non-zero */
|
2015-11-13 17:58:35 +00:00
|
|
|
for (j = 0; j < RTE_SCHED_QUEUES_PER_PIPE; j++) {
|
|
|
|
if (p->wrr_weights[j] == 0)
|
2013-07-22 22:00:00 +00:00
|
|
|
return -15;
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static uint32_t
|
|
|
|
rte_sched_port_get_array_base(struct rte_sched_port_params *params, enum rte_sched_port_array array)
|
|
|
|
{
|
|
|
|
uint32_t n_subports_per_port = params->n_subports_per_port;
|
|
|
|
uint32_t n_pipes_per_subport = params->n_pipes_per_subport;
|
|
|
|
uint32_t n_pipes_per_port = n_pipes_per_subport * n_subports_per_port;
|
|
|
|
uint32_t n_queues_per_port = RTE_SCHED_QUEUES_PER_PIPE * n_pipes_per_subport * n_subports_per_port;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
uint32_t size_subport = n_subports_per_port * sizeof(struct rte_sched_subport);
|
|
|
|
uint32_t size_pipe = n_pipes_per_port * sizeof(struct rte_sched_pipe);
|
|
|
|
uint32_t size_queue = n_queues_per_port * sizeof(struct rte_sched_queue);
|
2015-11-13 17:58:35 +00:00
|
|
|
uint32_t size_queue_extra
|
|
|
|
= n_queues_per_port * sizeof(struct rte_sched_queue_extra);
|
|
|
|
uint32_t size_pipe_profiles
|
|
|
|
= RTE_SCHED_PIPE_PROFILES_PER_PORT * sizeof(struct rte_sched_pipe_profile);
|
2013-07-22 22:00:00 +00:00
|
|
|
uint32_t size_bmp_array = rte_bitmap_get_memory_footprint(n_queues_per_port);
|
2013-06-03 00:00:00 +00:00
|
|
|
uint32_t size_per_pipe_queue_array, size_queue_array;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
uint32_t base, i;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
size_per_pipe_queue_array = 0;
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
|
|
|
|
size_per_pipe_queue_array += RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS
|
|
|
|
* params->qsize[i] * sizeof(struct rte_mbuf *);
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
size_queue_array = n_pipes_per_port * size_per_pipe_queue_array;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
base = 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (array == e_RTE_SCHED_PORT_ARRAY_SUBPORT)
|
|
|
|
return base;
|
2014-11-19 12:26:06 +00:00
|
|
|
base += RTE_CACHE_LINE_ROUNDUP(size_subport);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (array == e_RTE_SCHED_PORT_ARRAY_PIPE)
|
|
|
|
return base;
|
2014-11-19 12:26:06 +00:00
|
|
|
base += RTE_CACHE_LINE_ROUNDUP(size_pipe);
|
2013-06-03 00:00:00 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE)
|
|
|
|
return base;
|
2014-11-19 12:26:06 +00:00
|
|
|
base += RTE_CACHE_LINE_ROUNDUP(size_queue);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA)
|
|
|
|
return base;
|
2014-11-19 12:26:06 +00:00
|
|
|
base += RTE_CACHE_LINE_ROUNDUP(size_queue_extra);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (array == e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES)
|
|
|
|
return base;
|
2014-11-19 12:26:06 +00:00
|
|
|
base += RTE_CACHE_LINE_ROUNDUP(size_pipe_profiles);
|
2013-06-03 00:00:00 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (array == e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY)
|
|
|
|
return base;
|
2014-11-19 12:26:06 +00:00
|
|
|
base += RTE_CACHE_LINE_ROUNDUP(size_bmp_array);
|
2013-06-03 00:00:00 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY)
|
|
|
|
return base;
|
2014-11-19 12:26:06 +00:00
|
|
|
base += RTE_CACHE_LINE_ROUNDUP(size_queue_array);
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
return base;
|
|
|
|
}
|
|
|
|
|
|
|
|
uint32_t
|
|
|
|
rte_sched_port_get_memory_footprint(struct rte_sched_port_params *params)
|
|
|
|
{
|
|
|
|
uint32_t size0, size1;
|
|
|
|
int status;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
status = rte_sched_port_check_params(params);
|
|
|
|
if (status != 0) {
|
2015-07-16 21:34:34 +00:00
|
|
|
RTE_LOG(NOTICE, SCHED,
|
|
|
|
"Port scheduler params check failed (%d)\n", status);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
size0 = sizeof(struct rte_sched_port);
|
|
|
|
size1 = rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_TOTAL);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2016-01-27 13:58:30 +00:00
|
|
|
return size0 + size1;
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
rte_sched_port_config_qsize(struct rte_sched_port *port)
|
|
|
|
{
|
|
|
|
/* TC 0 */
|
|
|
|
port->qsize_add[0] = 0;
|
|
|
|
port->qsize_add[1] = port->qsize_add[0] + port->qsize[0];
|
|
|
|
port->qsize_add[2] = port->qsize_add[1] + port->qsize[0];
|
|
|
|
port->qsize_add[3] = port->qsize_add[2] + port->qsize[0];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* TC 1 */
|
|
|
|
port->qsize_add[4] = port->qsize_add[3] + port->qsize[0];
|
|
|
|
port->qsize_add[5] = port->qsize_add[4] + port->qsize[1];
|
|
|
|
port->qsize_add[6] = port->qsize_add[5] + port->qsize[1];
|
|
|
|
port->qsize_add[7] = port->qsize_add[6] + port->qsize[1];
|
|
|
|
|
|
|
|
/* TC 2 */
|
|
|
|
port->qsize_add[8] = port->qsize_add[7] + port->qsize[1];
|
|
|
|
port->qsize_add[9] = port->qsize_add[8] + port->qsize[2];
|
|
|
|
port->qsize_add[10] = port->qsize_add[9] + port->qsize[2];
|
|
|
|
port->qsize_add[11] = port->qsize_add[10] + port->qsize[2];
|
|
|
|
|
|
|
|
/* TC 3 */
|
|
|
|
port->qsize_add[12] = port->qsize_add[11] + port->qsize[2];
|
|
|
|
port->qsize_add[13] = port->qsize_add[12] + port->qsize[3];
|
|
|
|
port->qsize_add[14] = port->qsize_add[13] + port->qsize[3];
|
|
|
|
port->qsize_add[15] = port->qsize_add[14] + port->qsize[3];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
port->qsize_sum = port->qsize_add[15] + port->qsize[3];
|
|
|
|
}
|
|
|
|
|
2014-06-03 23:42:50 +00:00
|
|
|
static void
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_sched_port_log_pipe_profile(struct rte_sched_port *port, uint32_t i)
|
|
|
|
{
|
|
|
|
struct rte_sched_pipe_profile *p = port->pipe_profiles + i;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-07-16 21:34:34 +00:00
|
|
|
RTE_LOG(DEBUG, SCHED, "Low level config for pipe profile %u:\n"
|
2015-07-16 21:34:33 +00:00
|
|
|
" Token bucket: period = %u, credits per period = %u, size = %u\n"
|
|
|
|
" Traffic classes: period = %u, credits per period = [%u, %u, %u, %u]\n"
|
|
|
|
" Traffic class 3 oversubscription: weight = %hhu\n"
|
|
|
|
" WRR cost: [%hhu, %hhu, %hhu, %hhu], [%hhu, %hhu, %hhu, %hhu], [%hhu, %hhu, %hhu, %hhu], [%hhu, %hhu, %hhu, %hhu]\n",
|
2013-06-03 00:00:00 +00:00
|
|
|
i,
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Token bucket */
|
|
|
|
p->tb_period,
|
|
|
|
p->tb_credits_per_period,
|
|
|
|
p->tb_size,
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Traffic classes */
|
|
|
|
p->tc_period,
|
|
|
|
p->tc_credits_per_period[0],
|
|
|
|
p->tc_credits_per_period[1],
|
|
|
|
p->tc_credits_per_period[2],
|
|
|
|
p->tc_credits_per_period[3],
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
/* Traffic class 3 oversubscription */
|
|
|
|
p->tc_ov_weight,
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* WRR */
|
|
|
|
p->wrr_cost[ 0], p->wrr_cost[ 1], p->wrr_cost[ 2], p->wrr_cost[ 3],
|
|
|
|
p->wrr_cost[ 4], p->wrr_cost[ 5], p->wrr_cost[ 6], p->wrr_cost[ 7],
|
|
|
|
p->wrr_cost[ 8], p->wrr_cost[ 9], p->wrr_cost[10], p->wrr_cost[11],
|
|
|
|
p->wrr_cost[12], p->wrr_cost[13], p->wrr_cost[14], p->wrr_cost[15]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline uint64_t
|
|
|
|
rte_sched_time_ms_to_bytes(uint32_t time_ms, uint32_t rate)
|
|
|
|
{
|
|
|
|
uint64_t time = time_ms;
|
2015-11-13 17:58:35 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
time = (time * rate) / 1000;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return time;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
rte_sched_port_config_pipe_profile_table(struct rte_sched_port *port, struct rte_sched_port_params *params)
|
|
|
|
{
|
|
|
|
uint32_t i, j;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < port->n_pipe_profiles; i++) {
|
2013-06-03 00:00:00 +00:00
|
|
|
struct rte_sched_pipe_params *src = params->pipe_profiles + i;
|
|
|
|
struct rte_sched_pipe_profile *dst = port->pipe_profiles + i;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Token Bucket */
|
|
|
|
if (src->tb_rate == params->rate) {
|
|
|
|
dst->tb_credits_per_period = 1;
|
|
|
|
dst->tb_period = 1;
|
|
|
|
} else {
|
2015-11-13 17:58:35 +00:00
|
|
|
double tb_rate = (double) src->tb_rate
|
|
|
|
/ (double) params->rate;
|
2013-06-03 00:00:00 +00:00
|
|
|
double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
rte_approx(tb_rate, d,
|
|
|
|
&dst->tb_credits_per_period, &dst->tb_period);
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
dst->tb_size = src->tb_size;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Traffic Classes */
|
2015-11-13 17:58:35 +00:00
|
|
|
dst->tc_period = rte_sched_time_ms_to_bytes(src->tc_period,
|
|
|
|
params->rate);
|
|
|
|
|
|
|
|
for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++)
|
|
|
|
dst->tc_credits_per_period[j]
|
|
|
|
= rte_sched_time_ms_to_bytes(src->tc_period,
|
|
|
|
src->tc_rate[j]);
|
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
#ifdef RTE_SCHED_SUBPORT_TC_OV
|
2013-07-22 22:00:00 +00:00
|
|
|
dst->tc_ov_weight = src->tc_ov_weight;
|
2013-06-03 00:00:00 +00:00
|
|
|
#endif
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* WRR */
|
2015-11-13 17:58:35 +00:00
|
|
|
for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
|
2013-06-03 00:00:00 +00:00
|
|
|
uint32_t wrr_cost[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS];
|
|
|
|
uint32_t lcd, lcd1, lcd2;
|
|
|
|
uint32_t qindex;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
qindex = j * RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
wrr_cost[0] = src->wrr_weights[qindex];
|
|
|
|
wrr_cost[1] = src->wrr_weights[qindex + 1];
|
|
|
|
wrr_cost[2] = src->wrr_weights[qindex + 2];
|
|
|
|
wrr_cost[3] = src->wrr_weights[qindex + 3];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
lcd1 = rte_get_lcd(wrr_cost[0], wrr_cost[1]);
|
|
|
|
lcd2 = rte_get_lcd(wrr_cost[2], wrr_cost[3]);
|
|
|
|
lcd = rte_get_lcd(lcd1, lcd2);
|
|
|
|
|
|
|
|
wrr_cost[0] = lcd / wrr_cost[0];
|
|
|
|
wrr_cost[1] = lcd / wrr_cost[1];
|
|
|
|
wrr_cost[2] = lcd / wrr_cost[2];
|
|
|
|
wrr_cost[3] = lcd / wrr_cost[3];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
dst->wrr_cost[qindex] = (uint8_t) wrr_cost[0];
|
|
|
|
dst->wrr_cost[qindex + 1] = (uint8_t) wrr_cost[1];
|
|
|
|
dst->wrr_cost[qindex + 2] = (uint8_t) wrr_cost[2];
|
|
|
|
dst->wrr_cost[qindex + 3] = (uint8_t) wrr_cost[3];
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_sched_port_log_pipe_profile(port, i);
|
|
|
|
}
|
2013-07-22 22:00:00 +00:00
|
|
|
|
|
|
|
port->pipe_tc3_rate_max = 0;
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < port->n_pipe_profiles; i++) {
|
2013-07-22 22:00:00 +00:00
|
|
|
struct rte_sched_pipe_params *src = params->pipe_profiles + i;
|
|
|
|
uint32_t pipe_tc3_rate = src->tc_rate[3];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (port->pipe_tc3_rate_max < pipe_tc3_rate)
|
2013-07-22 22:00:00 +00:00
|
|
|
port->pipe_tc3_rate_max = pipe_tc3_rate;
|
|
|
|
}
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
struct rte_sched_port *
|
|
|
|
rte_sched_port_config(struct rte_sched_port_params *params)
|
|
|
|
{
|
|
|
|
struct rte_sched_port *port = NULL;
|
2015-11-29 18:46:49 +00:00
|
|
|
uint32_t mem_size, bmp_mem_size, n_queues_per_port, i, cycles_per_byte;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Check user parameters. Determine the amount of memory to allocate */
|
|
|
|
mem_size = rte_sched_port_get_memory_footprint(params);
|
2015-11-13 17:58:35 +00:00
|
|
|
if (mem_size == 0)
|
2013-06-03 00:00:00 +00:00
|
|
|
return NULL;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Allocate memory to store the data structures */
|
2014-11-19 12:26:06 +00:00
|
|
|
port = rte_zmalloc("qos_params", mem_size, RTE_CACHE_LINE_SIZE);
|
2015-11-13 17:58:35 +00:00
|
|
|
if (port == NULL)
|
2014-05-14 16:25:25 +00:00
|
|
|
return NULL;
|
2013-06-03 00:00:00 +00:00
|
|
|
|
2015-11-13 17:58:33 +00:00
|
|
|
/* compile time checks */
|
|
|
|
RTE_BUILD_BUG_ON(RTE_SCHED_PORT_N_GRINDERS == 0);
|
|
|
|
RTE_BUILD_BUG_ON(RTE_SCHED_PORT_N_GRINDERS & (RTE_SCHED_PORT_N_GRINDERS - 1));
|
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* User parameters */
|
|
|
|
port->n_subports_per_port = params->n_subports_per_port;
|
|
|
|
port->n_pipes_per_subport = params->n_pipes_per_subport;
|
|
|
|
port->rate = params->rate;
|
2013-07-22 22:00:00 +00:00
|
|
|
port->mtu = params->mtu + params->frame_overhead;
|
2013-06-03 00:00:00 +00:00
|
|
|
port->frame_overhead = params->frame_overhead;
|
|
|
|
memcpy(port->qsize, params->qsize, sizeof(params->qsize));
|
|
|
|
port->n_pipe_profiles = params->n_pipe_profiles;
|
|
|
|
|
|
|
|
#ifdef RTE_SCHED_RED
|
|
|
|
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
|
|
|
|
uint32_t j;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
for (j = 0; j < e_RTE_METER_COLORS; j++) {
|
2015-07-16 21:34:32 +00:00
|
|
|
/* if min/max are both zero, then RED is disabled */
|
|
|
|
if ((params->red_params[i][j].min_th |
|
|
|
|
params->red_params[i][j].max_th) == 0) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
if (rte_red_config_init(&port->red_config[i][j],
|
|
|
|
params->red_params[i][j].wq_log2,
|
|
|
|
params->red_params[i][j].min_th,
|
|
|
|
params->red_params[i][j].max_th,
|
|
|
|
params->red_params[i][j].maxp_inv) != 0) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Timing */
|
|
|
|
port->time_cpu_cycles = rte_get_tsc_cycles();
|
|
|
|
port->time_cpu_bytes = 0;
|
|
|
|
port->time = 0;
|
2015-11-29 18:46:49 +00:00
|
|
|
|
|
|
|
cycles_per_byte = (rte_get_tsc_hz() << RTE_SCHED_TIME_SHIFT)
|
|
|
|
/ params->rate;
|
|
|
|
port->inv_cycles_per_byte = rte_reciprocal_value(cycles_per_byte);
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
/* Scheduling loop detection */
|
|
|
|
port->pipe_loop = RTE_SCHED_PIPE_INVALID;
|
|
|
|
port->pipe_exhaustion = 0;
|
|
|
|
|
|
|
|
/* Grinders */
|
|
|
|
port->busy_grinders = 0;
|
|
|
|
port->pkts_out = NULL;
|
|
|
|
port->n_pkts_out = 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Queue base calculation */
|
|
|
|
rte_sched_port_config_qsize(port);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Large data structures */
|
2015-11-13 17:58:35 +00:00
|
|
|
port->subport = (struct rte_sched_subport *)
|
|
|
|
(port->memory + rte_sched_port_get_array_base(params,
|
|
|
|
e_RTE_SCHED_PORT_ARRAY_SUBPORT));
|
|
|
|
port->pipe = (struct rte_sched_pipe *)
|
|
|
|
(port->memory + rte_sched_port_get_array_base(params,
|
|
|
|
e_RTE_SCHED_PORT_ARRAY_PIPE));
|
|
|
|
port->queue = (struct rte_sched_queue *)
|
|
|
|
(port->memory + rte_sched_port_get_array_base(params,
|
|
|
|
e_RTE_SCHED_PORT_ARRAY_QUEUE));
|
|
|
|
port->queue_extra = (struct rte_sched_queue_extra *)
|
|
|
|
(port->memory + rte_sched_port_get_array_base(params,
|
|
|
|
e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA));
|
|
|
|
port->pipe_profiles = (struct rte_sched_pipe_profile *)
|
|
|
|
(port->memory + rte_sched_port_get_array_base(params,
|
|
|
|
e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES));
|
|
|
|
port->bmp_array = port->memory
|
|
|
|
+ rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY);
|
|
|
|
port->queue_array = (struct rte_mbuf **)
|
|
|
|
(port->memory + rte_sched_port_get_array_base(params,
|
|
|
|
e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY));
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
/* Pipe profile table */
|
|
|
|
rte_sched_port_config_pipe_profile_table(port, params);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Bitmap */
|
2013-07-22 22:00:00 +00:00
|
|
|
n_queues_per_port = rte_sched_port_queues_per_port(port);
|
|
|
|
bmp_mem_size = rte_bitmap_get_memory_footprint(n_queues_per_port);
|
2015-11-13 17:58:35 +00:00
|
|
|
port->bmp = rte_bitmap_init(n_queues_per_port, port->bmp_array,
|
|
|
|
bmp_mem_size);
|
2013-07-22 22:00:00 +00:00
|
|
|
if (port->bmp == NULL) {
|
2015-07-16 21:34:34 +00:00
|
|
|
RTE_LOG(ERR, SCHED, "Bitmap init error\n");
|
2013-06-03 00:00:00 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
2015-11-13 17:58:35 +00:00
|
|
|
|
|
|
|
for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++)
|
2013-06-03 00:00:00 +00:00
|
|
|
port->grinder_base_bmp_pos[i] = RTE_SCHED_PIPE_INVALID;
|
2015-11-13 17:58:35 +00:00
|
|
|
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return port;
|
|
|
|
}
|
|
|
|
|
2014-06-03 23:42:50 +00:00
|
|
|
void
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_sched_port_free(struct rte_sched_port *port)
|
|
|
|
{
|
2016-09-05 15:15:14 +00:00
|
|
|
uint32_t qindex;
|
|
|
|
uint32_t n_queues_per_port = rte_sched_port_queues_per_port(port);
|
2015-11-17 08:14:48 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Check user parameters */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (port == NULL)
|
2013-06-03 00:00:00 +00:00
|
|
|
return;
|
2014-05-14 16:25:25 +00:00
|
|
|
|
2015-11-17 08:14:48 +00:00
|
|
|
/* Free enqueued mbufs */
|
2016-09-05 15:15:14 +00:00
|
|
|
for (qindex = 0; qindex < n_queues_per_port; qindex++) {
|
|
|
|
struct rte_mbuf **mbufs = rte_sched_port_qbase(port, qindex);
|
|
|
|
uint16_t qsize = rte_sched_port_qsize(port, qindex);
|
|
|
|
struct rte_sched_queue *queue = port->queue + qindex;
|
|
|
|
uint16_t qr = queue->qr & (qsize - 1);
|
|
|
|
uint16_t qw = queue->qw & (qsize - 1);
|
|
|
|
|
|
|
|
for (; qr != qw; qr = (qr + 1) & (qsize - 1))
|
|
|
|
rte_pktmbuf_free(mbufs[qr]);
|
2015-11-17 08:14:48 +00:00
|
|
|
}
|
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
rte_bitmap_free(port->bmp);
|
2014-05-14 16:25:25 +00:00
|
|
|
rte_free(port);
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
rte_sched_port_log_subport_config(struct rte_sched_port *port, uint32_t i)
|
|
|
|
{
|
|
|
|
struct rte_sched_subport *s = port->subport + i;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-07-16 21:34:34 +00:00
|
|
|
RTE_LOG(DEBUG, SCHED, "Low level config for subport %u:\n"
|
2015-07-16 21:34:33 +00:00
|
|
|
" Token bucket: period = %u, credits per period = %u, size = %u\n"
|
|
|
|
" Traffic classes: period = %u, credits per period = [%u, %u, %u, %u]\n"
|
|
|
|
" Traffic class 3 oversubscription: wm min = %u, wm max = %u\n",
|
2013-06-03 00:00:00 +00:00
|
|
|
i,
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Token bucket */
|
|
|
|
s->tb_period,
|
|
|
|
s->tb_credits_per_period,
|
|
|
|
s->tb_size,
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Traffic classes */
|
|
|
|
s->tc_period,
|
|
|
|
s->tc_credits_per_period[0],
|
|
|
|
s->tc_credits_per_period[1],
|
|
|
|
s->tc_credits_per_period[2],
|
|
|
|
s->tc_credits_per_period[3],
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
/* Traffic class 3 oversubscription */
|
|
|
|
s->tc_ov_wm_min,
|
|
|
|
s->tc_ov_wm_max);
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
2014-06-03 23:42:50 +00:00
|
|
|
rte_sched_subport_config(struct rte_sched_port *port,
|
2013-06-03 00:00:00 +00:00
|
|
|
uint32_t subport_id,
|
|
|
|
struct rte_sched_subport_params *params)
|
|
|
|
{
|
|
|
|
struct rte_sched_subport *s;
|
|
|
|
uint32_t i;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Check user parameters */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (port == NULL ||
|
|
|
|
subport_id >= port->n_subports_per_port ||
|
|
|
|
params == NULL)
|
2013-06-03 00:00:00 +00:00
|
|
|
return -1;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (params->tb_rate == 0 || params->tb_rate > port->rate)
|
2013-06-03 00:00:00 +00:00
|
|
|
return -2;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (params->tb_size == 0)
|
2013-06-03 00:00:00 +00:00
|
|
|
return -3;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
|
|
|
|
if (params->tc_rate[i] == 0 ||
|
|
|
|
params->tc_rate[i] > params->tb_rate)
|
2013-06-03 00:00:00 +00:00
|
|
|
return -4;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (params->tc_period == 0)
|
2013-06-03 00:00:00 +00:00
|
|
|
return -5;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
s = port->subport + subport_id;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Token Bucket (TB) */
|
|
|
|
if (params->tb_rate == port->rate) {
|
|
|
|
s->tb_credits_per_period = 1;
|
|
|
|
s->tb_period = 1;
|
|
|
|
} else {
|
|
|
|
double tb_rate = ((double) params->tb_rate) / ((double) port->rate);
|
|
|
|
double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_approx(tb_rate, d, &s->tb_credits_per_period, &s->tb_period);
|
|
|
|
}
|
2015-11-13 17:58:35 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
s->tb_size = params->tb_size;
|
|
|
|
s->tb_time = port->time;
|
|
|
|
s->tb_credits = s->tb_size / 2;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Traffic Classes (TCs) */
|
2015-11-13 17:58:35 +00:00
|
|
|
s->tc_period = rte_sched_time_ms_to_bytes(params->tc_period, port->rate);
|
|
|
|
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
|
|
|
|
s->tc_credits_per_period[i]
|
|
|
|
= rte_sched_time_ms_to_bytes(params->tc_period,
|
|
|
|
params->tc_rate[i]);
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
s->tc_time = port->time + s->tc_period;
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
|
2013-06-03 00:00:00 +00:00
|
|
|
s->tc_credits[i] = s->tc_credits_per_period[i];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
#ifdef RTE_SCHED_SUBPORT_TC_OV
|
|
|
|
/* TC oversubscription */
|
2013-07-22 22:00:00 +00:00
|
|
|
s->tc_ov_wm_min = port->mtu;
|
2015-11-13 17:58:35 +00:00
|
|
|
s->tc_ov_wm_max = rte_sched_time_ms_to_bytes(params->tc_period,
|
|
|
|
port->pipe_tc3_rate_max);
|
2013-07-22 22:00:00 +00:00
|
|
|
s->tc_ov_wm = s->tc_ov_wm_max;
|
2013-06-03 00:00:00 +00:00
|
|
|
s->tc_ov_period_id = 0;
|
2013-07-22 22:00:00 +00:00
|
|
|
s->tc_ov = 0;
|
|
|
|
s->tc_ov_n = 0;
|
|
|
|
s->tc_ov_rate = 0;
|
2013-06-03 00:00:00 +00:00
|
|
|
#endif
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_sched_port_log_subport_config(port, subport_id);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
rte_sched_pipe_config(struct rte_sched_port *port,
|
2014-06-03 23:42:50 +00:00
|
|
|
uint32_t subport_id,
|
2013-06-03 00:00:00 +00:00
|
|
|
uint32_t pipe_id,
|
|
|
|
int32_t pipe_profile)
|
|
|
|
{
|
|
|
|
struct rte_sched_subport *s;
|
|
|
|
struct rte_sched_pipe *p;
|
|
|
|
struct rte_sched_pipe_profile *params;
|
|
|
|
uint32_t deactivate, profile, i;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Check user parameters */
|
|
|
|
profile = (uint32_t) pipe_profile;
|
|
|
|
deactivate = (pipe_profile < 0);
|
2015-11-13 17:58:35 +00:00
|
|
|
|
|
|
|
if (port == NULL ||
|
|
|
|
subport_id >= port->n_subports_per_port ||
|
|
|
|
pipe_id >= port->n_pipes_per_subport ||
|
|
|
|
(!deactivate && profile >= port->n_pipe_profiles))
|
2013-06-03 00:00:00 +00:00
|
|
|
return -1;
|
2015-11-13 17:58:35 +00:00
|
|
|
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Check that subport configuration is valid */
|
|
|
|
s = port->subport + subport_id;
|
2015-11-13 17:58:35 +00:00
|
|
|
if (s->tb_period == 0)
|
2013-06-03 00:00:00 +00:00
|
|
|
return -2;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
p = port->pipe + (subport_id * port->n_pipes_per_subport + pipe_id);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Handle the case when pipe already has a valid configuration */
|
|
|
|
if (p->tb_time) {
|
|
|
|
params = port->pipe_profiles + p->profile;
|
|
|
|
|
|
|
|
#ifdef RTE_SCHED_SUBPORT_TC_OV
|
2015-11-13 17:58:35 +00:00
|
|
|
double subport_tc3_rate = (double) s->tc_credits_per_period[3]
|
|
|
|
/ (double) s->tc_period;
|
|
|
|
double pipe_tc3_rate = (double) params->tc_credits_per_period[3]
|
|
|
|
/ (double) params->tc_period;
|
2013-07-22 22:00:00 +00:00
|
|
|
uint32_t tc3_ov = s->tc_ov;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Unplug pipe from its subport */
|
2013-07-22 22:00:00 +00:00
|
|
|
s->tc_ov_n -= params->tc_ov_weight;
|
|
|
|
s->tc_ov_rate -= pipe_tc3_rate;
|
|
|
|
s->tc_ov = s->tc_ov_rate > subport_tc3_rate;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
if (s->tc_ov != tc3_ov) {
|
2015-07-16 21:34:34 +00:00
|
|
|
RTE_LOG(DEBUG, SCHED,
|
|
|
|
"Subport %u TC3 oversubscription is OFF (%.4lf >= %.4lf)\n",
|
2013-07-22 22:00:00 +00:00
|
|
|
subport_id, subport_tc3_rate, s->tc_ov_rate);
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
#endif
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Reset the pipe */
|
|
|
|
memset(p, 0, sizeof(struct rte_sched_pipe));
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (deactivate)
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Apply the new pipe configuration */
|
|
|
|
p->profile = profile;
|
|
|
|
params = port->pipe_profiles + p->profile;
|
|
|
|
|
|
|
|
/* Token Bucket (TB) */
|
|
|
|
p->tb_time = port->time;
|
|
|
|
p->tb_credits = params->tb_size / 2;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Traffic Classes (TCs) */
|
|
|
|
p->tc_time = port->time + params->tc_period;
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
|
2013-06-03 00:00:00 +00:00
|
|
|
p->tc_credits[i] = params->tc_credits_per_period[i];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
#ifdef RTE_SCHED_SUBPORT_TC_OV
|
2013-07-22 22:00:00 +00:00
|
|
|
{
|
|
|
|
/* Subport TC3 oversubscription */
|
2015-11-13 17:58:35 +00:00
|
|
|
double subport_tc3_rate = (double) s->tc_credits_per_period[3]
|
|
|
|
/ (double) s->tc_period;
|
|
|
|
double pipe_tc3_rate = (double) params->tc_credits_per_period[3]
|
|
|
|
/ (double) params->tc_period;
|
2013-07-22 22:00:00 +00:00
|
|
|
uint32_t tc3_ov = s->tc_ov;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
s->tc_ov_n += params->tc_ov_weight;
|
|
|
|
s->tc_ov_rate += pipe_tc3_rate;
|
|
|
|
s->tc_ov = s->tc_ov_rate > subport_tc3_rate;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
if (s->tc_ov != tc3_ov) {
|
2015-07-16 21:34:34 +00:00
|
|
|
RTE_LOG(DEBUG, SCHED,
|
|
|
|
"Subport %u TC3 oversubscription is ON (%.4lf < %.4lf)\n",
|
2013-07-22 22:00:00 +00:00
|
|
|
subport_id, subport_tc3_rate, s->tc_ov_rate);
|
|
|
|
}
|
|
|
|
p->tc_ov_period_id = s->tc_ov_period_id;
|
|
|
|
p->tc_ov_credits = s->tc_ov_wm;
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
#endif
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2015-07-16 21:34:35 +00:00
|
|
|
void
|
|
|
|
rte_sched_port_pkt_write(struct rte_mbuf *pkt,
|
|
|
|
uint32_t subport, uint32_t pipe, uint32_t traffic_class,
|
|
|
|
uint32_t queue, enum rte_meter_color color)
|
|
|
|
{
|
2015-11-13 17:58:27 +00:00
|
|
|
struct rte_sched_port_hierarchy *sched
|
|
|
|
= (struct rte_sched_port_hierarchy *) &pkt->hash.sched;
|
2015-07-16 21:34:35 +00:00
|
|
|
|
2015-11-13 17:58:36 +00:00
|
|
|
RTE_BUILD_BUG_ON(sizeof(*sched) > sizeof(pkt->hash.sched));
|
|
|
|
|
2015-07-16 21:34:35 +00:00
|
|
|
sched->color = (uint32_t) color;
|
|
|
|
sched->subport = subport;
|
|
|
|
sched->pipe = pipe;
|
|
|
|
sched->traffic_class = traffic_class;
|
|
|
|
sched->queue = queue;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
rte_sched_port_pkt_read_tree_path(const struct rte_mbuf *pkt,
|
|
|
|
uint32_t *subport, uint32_t *pipe,
|
|
|
|
uint32_t *traffic_class, uint32_t *queue)
|
|
|
|
{
|
2015-11-13 17:58:27 +00:00
|
|
|
const struct rte_sched_port_hierarchy *sched
|
|
|
|
= (const struct rte_sched_port_hierarchy *) &pkt->hash.sched;
|
2015-07-16 21:34:35 +00:00
|
|
|
|
|
|
|
*subport = sched->subport;
|
|
|
|
*pipe = sched->pipe;
|
|
|
|
*traffic_class = sched->traffic_class;
|
|
|
|
*queue = sched->queue;
|
|
|
|
}
|
|
|
|
|
|
|
|
enum rte_meter_color
|
|
|
|
rte_sched_port_pkt_read_color(const struct rte_mbuf *pkt)
|
|
|
|
{
|
2015-11-13 17:58:27 +00:00
|
|
|
const struct rte_sched_port_hierarchy *sched
|
|
|
|
= (const struct rte_sched_port_hierarchy *) &pkt->hash.sched;
|
2015-07-16 21:34:35 +00:00
|
|
|
|
|
|
|
return (enum rte_meter_color) sched->color;
|
|
|
|
}
|
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
int
|
|
|
|
rte_sched_subport_read_stats(struct rte_sched_port *port,
|
2015-11-13 17:58:35 +00:00
|
|
|
uint32_t subport_id,
|
|
|
|
struct rte_sched_subport_stats *stats,
|
|
|
|
uint32_t *tc_ov)
|
2013-06-03 00:00:00 +00:00
|
|
|
{
|
|
|
|
struct rte_sched_subport *s;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Check user parameters */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (port == NULL || subport_id >= port->n_subports_per_port ||
|
|
|
|
stats == NULL || tc_ov == NULL)
|
2013-06-03 00:00:00 +00:00
|
|
|
return -1;
|
2015-11-13 17:58:35 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
s = port->subport + subport_id;
|
|
|
|
|
|
|
|
/* Copy subport stats and clear */
|
|
|
|
memcpy(stats, &s->stats, sizeof(struct rte_sched_subport_stats));
|
|
|
|
memset(&s->stats, 0, sizeof(struct rte_sched_subport_stats));
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Subport TC ovesubscription status */
|
2013-07-22 22:00:00 +00:00
|
|
|
*tc_ov = s->tc_ov;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
rte_sched_queue_read_stats(struct rte_sched_port *port,
|
|
|
|
uint32_t queue_id,
|
|
|
|
struct rte_sched_queue_stats *stats,
|
|
|
|
uint16_t *qlen)
|
|
|
|
{
|
|
|
|
struct rte_sched_queue *q;
|
|
|
|
struct rte_sched_queue_extra *qe;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Check user parameters */
|
|
|
|
if ((port == NULL) ||
|
|
|
|
(queue_id >= rte_sched_port_queues_per_port(port)) ||
|
|
|
|
(stats == NULL) ||
|
|
|
|
(qlen == NULL)) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
q = port->queue + queue_id;
|
|
|
|
qe = port->queue_extra + queue_id;
|
|
|
|
|
|
|
|
/* Copy queue stats and clear */
|
|
|
|
memcpy(stats, &qe->stats, sizeof(struct rte_sched_queue_stats));
|
|
|
|
memset(&qe->stats, 0, sizeof(struct rte_sched_queue_stats));
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Queue length */
|
|
|
|
*qlen = q->qw - q->qr;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline uint32_t
|
|
|
|
rte_sched_port_qindex(struct rte_sched_port *port, uint32_t subport, uint32_t pipe, uint32_t traffic_class, uint32_t queue)
|
|
|
|
{
|
|
|
|
uint32_t result;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
result = subport * port->n_pipes_per_subport + pipe;
|
|
|
|
result = result * RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE + traffic_class;
|
|
|
|
result = result * RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS + queue;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2015-11-13 17:58:29 +00:00
|
|
|
#ifdef RTE_SCHED_DEBUG
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
static inline int
|
|
|
|
rte_sched_port_queue_is_empty(struct rte_sched_port *port, uint32_t qindex)
|
|
|
|
{
|
|
|
|
struct rte_sched_queue *queue = port->queue + qindex;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2016-01-27 13:58:30 +00:00
|
|
|
return queue->qr == queue->qw;
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* RTE_SCHED_DEBUG */
|
|
|
|
|
|
|
|
#ifdef RTE_SCHED_COLLECT_STATS
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
rte_sched_port_update_subport_stats(struct rte_sched_port *port, uint32_t qindex, struct rte_mbuf *pkt)
|
|
|
|
{
|
|
|
|
struct rte_sched_subport *s = port->subport + (qindex / rte_sched_port_queues_per_subport(port));
|
|
|
|
uint32_t tc_index = (qindex >> 2) & 0x3;
|
2014-08-28 15:42:37 +00:00
|
|
|
uint32_t pkt_len = pkt->pkt_len;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
s->stats.n_pkts_tc[tc_index] += 1;
|
|
|
|
s->stats.n_bytes_tc[tc_index] += pkt_len;
|
|
|
|
}
|
|
|
|
|
2016-06-02 10:28:10 +00:00
|
|
|
#ifdef RTE_SCHED_RED
|
|
|
|
static inline void
|
|
|
|
rte_sched_port_update_subport_stats_on_drop(struct rte_sched_port *port,
|
|
|
|
uint32_t qindex,
|
|
|
|
struct rte_mbuf *pkt, uint32_t red)
|
|
|
|
#else
|
2013-06-03 00:00:00 +00:00
|
|
|
static inline void
|
2015-11-29 18:46:47 +00:00
|
|
|
rte_sched_port_update_subport_stats_on_drop(struct rte_sched_port *port,
|
2016-06-02 10:28:10 +00:00
|
|
|
uint32_t qindex,
|
|
|
|
struct rte_mbuf *pkt, __rte_unused uint32_t red)
|
|
|
|
#endif
|
2013-06-03 00:00:00 +00:00
|
|
|
{
|
|
|
|
struct rte_sched_subport *s = port->subport + (qindex / rte_sched_port_queues_per_subport(port));
|
|
|
|
uint32_t tc_index = (qindex >> 2) & 0x3;
|
2014-08-28 15:42:37 +00:00
|
|
|
uint32_t pkt_len = pkt->pkt_len;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
s->stats.n_pkts_tc_dropped[tc_index] += 1;
|
|
|
|
s->stats.n_bytes_tc_dropped[tc_index] += pkt_len;
|
2015-11-29 18:46:47 +00:00
|
|
|
#ifdef RTE_SCHED_RED
|
|
|
|
s->stats.n_pkts_red_dropped[tc_index] += red;
|
|
|
|
#endif
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
rte_sched_port_update_queue_stats(struct rte_sched_port *port, uint32_t qindex, struct rte_mbuf *pkt)
|
|
|
|
{
|
|
|
|
struct rte_sched_queue_extra *qe = port->queue_extra + qindex;
|
2014-08-28 15:42:37 +00:00
|
|
|
uint32_t pkt_len = pkt->pkt_len;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
qe->stats.n_pkts += 1;
|
|
|
|
qe->stats.n_bytes += pkt_len;
|
|
|
|
}
|
|
|
|
|
2016-06-02 10:28:10 +00:00
|
|
|
#ifdef RTE_SCHED_RED
|
|
|
|
static inline void
|
|
|
|
rte_sched_port_update_queue_stats_on_drop(struct rte_sched_port *port,
|
|
|
|
uint32_t qindex,
|
|
|
|
struct rte_mbuf *pkt, uint32_t red)
|
|
|
|
#else
|
2013-06-03 00:00:00 +00:00
|
|
|
static inline void
|
2015-11-29 18:46:47 +00:00
|
|
|
rte_sched_port_update_queue_stats_on_drop(struct rte_sched_port *port,
|
2016-06-02 10:28:10 +00:00
|
|
|
uint32_t qindex,
|
|
|
|
struct rte_mbuf *pkt, __rte_unused uint32_t red)
|
|
|
|
#endif
|
2013-06-03 00:00:00 +00:00
|
|
|
{
|
|
|
|
struct rte_sched_queue_extra *qe = port->queue_extra + qindex;
|
2014-08-28 15:42:37 +00:00
|
|
|
uint32_t pkt_len = pkt->pkt_len;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
qe->stats.n_pkts_dropped += 1;
|
|
|
|
qe->stats.n_bytes_dropped += pkt_len;
|
2015-11-29 18:46:47 +00:00
|
|
|
#ifdef RTE_SCHED_RED
|
|
|
|
qe->stats.n_pkts_red_dropped += red;
|
|
|
|
#endif
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* RTE_SCHED_COLLECT_STATS */
|
|
|
|
|
|
|
|
#ifdef RTE_SCHED_RED
|
|
|
|
|
|
|
|
static inline int
|
|
|
|
rte_sched_port_red_drop(struct rte_sched_port *port, struct rte_mbuf *pkt, uint32_t qindex, uint16_t qlen)
|
|
|
|
{
|
|
|
|
struct rte_sched_queue_extra *qe;
|
|
|
|
struct rte_red_config *red_cfg;
|
2015-11-13 17:58:35 +00:00
|
|
|
struct rte_red *red;
|
2013-06-03 00:00:00 +00:00
|
|
|
uint32_t tc_index;
|
|
|
|
enum rte_meter_color color;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
tc_index = (qindex >> 2) & 0x3;
|
|
|
|
color = rte_sched_port_pkt_read_color(pkt);
|
|
|
|
red_cfg = &port->red_config[tc_index][color];
|
|
|
|
|
2015-07-16 21:34:32 +00:00
|
|
|
if ((red_cfg->min_th | red_cfg->max_th) == 0)
|
|
|
|
return 0;
|
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
qe = port->queue_extra + qindex;
|
|
|
|
red = &qe->red;
|
|
|
|
|
|
|
|
return rte_red_enqueue(red_cfg, red, qlen, port->time);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
rte_sched_port_set_queue_empty_timestamp(struct rte_sched_port *port, uint32_t qindex)
|
|
|
|
{
|
2015-11-13 17:58:35 +00:00
|
|
|
struct rte_sched_queue_extra *qe = port->queue_extra + qindex;
|
|
|
|
struct rte_red *red = &qe->red;
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
rte_red_mark_queue_empty(red, port->time);
|
|
|
|
}
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
#define rte_sched_port_red_drop(port, pkt, qindex, qlen) 0
|
|
|
|
|
|
|
|
#define rte_sched_port_set_queue_empty_timestamp(port, qindex)
|
|
|
|
|
|
|
|
#endif /* RTE_SCHED_RED */
|
|
|
|
|
2015-11-13 17:58:29 +00:00
|
|
|
#ifdef RTE_SCHED_DEBUG
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
static inline void
|
2015-11-13 17:58:35 +00:00
|
|
|
debug_check_queue_slab(struct rte_sched_port *port, uint32_t bmp_pos,
|
|
|
|
uint64_t bmp_slab)
|
2013-06-03 00:00:00 +00:00
|
|
|
{
|
|
|
|
uint64_t mask;
|
|
|
|
uint32_t i, panic;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (bmp_slab == 0)
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_panic("Empty slab at position %u\n", bmp_pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
panic = 0;
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0, mask = 1; i < 64; i++, mask <<= 1) {
|
|
|
|
if (mask & bmp_slab) {
|
2013-06-03 00:00:00 +00:00
|
|
|
if (rte_sched_port_queue_is_empty(port, bmp_pos + i)) {
|
|
|
|
printf("Queue %u (slab offset %u) is empty\n", bmp_pos + i, i);
|
|
|
|
panic = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (panic)
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_panic("Empty queues in slab 0x%" PRIx64 "starting at position %u\n",
|
|
|
|
bmp_slab, bmp_pos);
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* RTE_SCHED_DEBUG */
|
|
|
|
|
|
|
|
static inline uint32_t
|
2015-11-13 17:58:35 +00:00
|
|
|
rte_sched_port_enqueue_qptrs_prefetch0(struct rte_sched_port *port,
|
|
|
|
struct rte_mbuf *pkt)
|
2013-06-03 00:00:00 +00:00
|
|
|
{
|
|
|
|
struct rte_sched_queue *q;
|
|
|
|
#ifdef RTE_SCHED_COLLECT_STATS
|
|
|
|
struct rte_sched_queue_extra *qe;
|
|
|
|
#endif
|
|
|
|
uint32_t subport, pipe, traffic_class, queue, qindex;
|
|
|
|
|
|
|
|
rte_sched_port_pkt_read_tree_path(pkt, &subport, &pipe, &traffic_class, &queue);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
qindex = rte_sched_port_qindex(port, subport, pipe, traffic_class, queue);
|
|
|
|
q = port->queue + qindex;
|
|
|
|
rte_prefetch0(q);
|
|
|
|
#ifdef RTE_SCHED_COLLECT_STATS
|
|
|
|
qe = port->queue_extra + qindex;
|
|
|
|
rte_prefetch0(qe);
|
|
|
|
#endif
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return qindex;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
2015-11-13 17:58:35 +00:00
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(struct rte_sched_port *port,
|
|
|
|
uint32_t qindex, struct rte_mbuf **qbase)
|
2014-06-03 23:42:50 +00:00
|
|
|
{
|
2013-06-03 00:00:00 +00:00
|
|
|
struct rte_sched_queue *q;
|
|
|
|
struct rte_mbuf **q_qw;
|
2014-06-03 23:42:50 +00:00
|
|
|
uint16_t qsize;
|
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
q = port->queue + qindex;
|
|
|
|
qsize = rte_sched_port_qsize(port, qindex);
|
|
|
|
q_qw = qbase + (q->qw & (qsize - 1));
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_prefetch0(q_qw);
|
2013-07-22 22:00:00 +00:00
|
|
|
rte_bitmap_prefetch0(port->bmp, qindex);
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline int
|
2015-11-13 17:58:35 +00:00
|
|
|
rte_sched_port_enqueue_qwa(struct rte_sched_port *port, uint32_t qindex,
|
|
|
|
struct rte_mbuf **qbase, struct rte_mbuf *pkt)
|
2013-06-03 00:00:00 +00:00
|
|
|
{
|
|
|
|
struct rte_sched_queue *q;
|
|
|
|
uint16_t qsize;
|
|
|
|
uint16_t qlen;
|
|
|
|
|
|
|
|
q = port->queue + qindex;
|
|
|
|
qsize = rte_sched_port_qsize(port, qindex);
|
|
|
|
qlen = q->qw - q->qr;
|
|
|
|
|
|
|
|
/* Drop the packet (and update drop stats) when queue is full */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (unlikely(rte_sched_port_red_drop(port, pkt, qindex, qlen) ||
|
|
|
|
(qlen >= qsize))) {
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_pktmbuf_free(pkt);
|
|
|
|
#ifdef RTE_SCHED_COLLECT_STATS
|
2015-11-29 18:46:47 +00:00
|
|
|
rte_sched_port_update_subport_stats_on_drop(port, qindex, pkt,
|
|
|
|
qlen < qsize);
|
|
|
|
rte_sched_port_update_queue_stats_on_drop(port, qindex, pkt,
|
|
|
|
qlen < qsize);
|
2013-06-03 00:00:00 +00:00
|
|
|
#endif
|
|
|
|
return 0;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Enqueue packet */
|
|
|
|
qbase[q->qw & (qsize - 1)] = pkt;
|
2015-11-13 17:58:35 +00:00
|
|
|
q->qw++;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Activate queue in the port bitmap */
|
2013-07-22 22:00:00 +00:00
|
|
|
rte_bitmap_set(port->bmp, qindex);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Statistics */
|
|
|
|
#ifdef RTE_SCHED_COLLECT_STATS
|
|
|
|
rte_sched_port_update_subport_stats(port, qindex, pkt);
|
|
|
|
rte_sched_port_update_queue_stats(port, qindex, pkt);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2015-11-13 17:58:28 +00:00
|
|
|
/*
|
2015-11-13 17:58:35 +00:00
|
|
|
* The enqueue function implements a 4-level pipeline with each stage
|
|
|
|
* processing two different packets. The purpose of using a pipeline
|
|
|
|
* is to hide the latency of prefetching the data structures. The
|
|
|
|
* naming convention is presented in the diagram below:
|
2014-06-03 23:42:50 +00:00
|
|
|
*
|
|
|
|
* p00 _______ p10 _______ p20 _______ p30 _______
|
2013-06-03 00:00:00 +00:00
|
|
|
* ----->| |----->| |----->| |----->| |----->
|
2014-06-03 23:42:50 +00:00
|
|
|
* | 0 | | 1 | | 2 | | 3 |
|
2013-06-03 00:00:00 +00:00
|
|
|
* ----->|_______|----->|_______|----->|_______|----->|_______|----->
|
2014-06-03 23:42:50 +00:00
|
|
|
* p01 p11 p21 p31
|
2013-06-03 00:00:00 +00:00
|
|
|
*
|
2015-11-13 17:58:28 +00:00
|
|
|
*/
|
2013-06-03 00:00:00 +00:00
|
|
|
int
|
2015-11-13 17:58:35 +00:00
|
|
|
rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts,
|
|
|
|
uint32_t n_pkts)
|
2013-06-03 00:00:00 +00:00
|
|
|
{
|
2015-11-13 17:58:35 +00:00
|
|
|
struct rte_mbuf *pkt00, *pkt01, *pkt10, *pkt11, *pkt20, *pkt21,
|
|
|
|
*pkt30, *pkt31, *pkt_last;
|
|
|
|
struct rte_mbuf **q00_base, **q01_base, **q10_base, **q11_base,
|
|
|
|
**q20_base, **q21_base, **q30_base, **q31_base, **q_last_base;
|
2013-06-03 00:00:00 +00:00
|
|
|
uint32_t q00, q01, q10, q11, q20, q21, q30, q31, q_last;
|
|
|
|
uint32_t r00, r01, r10, r11, r20, r21, r30, r31, r_last;
|
|
|
|
uint32_t result, i;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
result = 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
/*
|
|
|
|
* Less then 6 input packets available, which is not enough to
|
|
|
|
* feed the pipeline
|
|
|
|
*/
|
2013-06-03 00:00:00 +00:00
|
|
|
if (unlikely(n_pkts < 6)) {
|
|
|
|
struct rte_mbuf **q_base[5];
|
|
|
|
uint32_t q[5];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Prefetch the mbuf structure of each packet */
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < n_pkts; i++)
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_prefetch0(pkts[i]);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Prefetch the queue structure for each queue */
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < n_pkts; i++)
|
|
|
|
q[i] = rte_sched_port_enqueue_qptrs_prefetch0(port,
|
|
|
|
pkts[i]);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Prefetch the write pointer location of each queue */
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < n_pkts; i++) {
|
2013-06-03 00:00:00 +00:00
|
|
|
q_base[i] = rte_sched_port_qbase(port, q[i]);
|
2015-11-13 17:58:35 +00:00
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(port, q[i],
|
|
|
|
q_base[i]);
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Write each packet to its queue */
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < n_pkts; i++)
|
|
|
|
result += rte_sched_port_enqueue_qwa(port, q[i],
|
|
|
|
q_base[i], pkts[i]);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return result;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Feed the first 3 stages of the pipeline (6 packets needed) */
|
|
|
|
pkt20 = pkts[0];
|
|
|
|
pkt21 = pkts[1];
|
|
|
|
rte_prefetch0(pkt20);
|
|
|
|
rte_prefetch0(pkt21);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
pkt10 = pkts[2];
|
|
|
|
pkt11 = pkts[3];
|
|
|
|
rte_prefetch0(pkt10);
|
|
|
|
rte_prefetch0(pkt11);
|
|
|
|
|
|
|
|
q20 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt20);
|
|
|
|
q21 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt21);
|
|
|
|
|
|
|
|
pkt00 = pkts[4];
|
|
|
|
pkt01 = pkts[5];
|
|
|
|
rte_prefetch0(pkt00);
|
|
|
|
rte_prefetch0(pkt01);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
q10 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt10);
|
|
|
|
q11 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt11);
|
|
|
|
|
|
|
|
q20_base = rte_sched_port_qbase(port, q20);
|
2014-06-03 23:42:50 +00:00
|
|
|
q21_base = rte_sched_port_qbase(port, q21);
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(port, q20, q20_base);
|
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(port, q21, q21_base);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Run the pipeline */
|
2014-06-03 23:42:50 +00:00
|
|
|
for (i = 6; i < (n_pkts & (~1)); i += 2) {
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Propagate stage inputs */
|
|
|
|
pkt30 = pkt20;
|
|
|
|
pkt31 = pkt21;
|
|
|
|
pkt20 = pkt10;
|
|
|
|
pkt21 = pkt11;
|
|
|
|
pkt10 = pkt00;
|
|
|
|
pkt11 = pkt01;
|
|
|
|
q30 = q20;
|
|
|
|
q31 = q21;
|
|
|
|
q20 = q10;
|
|
|
|
q21 = q11;
|
|
|
|
q30_base = q20_base;
|
|
|
|
q31_base = q21_base;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Stage 0: Get packets in */
|
|
|
|
pkt00 = pkts[i];
|
|
|
|
pkt01 = pkts[i + 1];
|
|
|
|
rte_prefetch0(pkt00);
|
|
|
|
rte_prefetch0(pkt01);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Stage 1: Prefetch queue structure storing queue pointers */
|
|
|
|
q10 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt10);
|
|
|
|
q11 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt11);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Stage 2: Prefetch queue write location */
|
|
|
|
q20_base = rte_sched_port_qbase(port, q20);
|
|
|
|
q21_base = rte_sched_port_qbase(port, q21);
|
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(port, q20, q20_base);
|
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(port, q21, q21_base);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Stage 3: Write packet to queue and activate queue */
|
|
|
|
r30 = rte_sched_port_enqueue_qwa(port, q30, q30_base, pkt30);
|
|
|
|
r31 = rte_sched_port_enqueue_qwa(port, q31, q31_base, pkt31);
|
|
|
|
result += r30 + r31;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
/*
|
|
|
|
* Drain the pipeline (exactly 6 packets).
|
|
|
|
* Handle the last packet in the case
|
|
|
|
* of an odd number of input packets.
|
|
|
|
*/
|
2013-06-03 00:00:00 +00:00
|
|
|
pkt_last = pkts[n_pkts - 1];
|
|
|
|
rte_prefetch0(pkt_last);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
q00 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt00);
|
|
|
|
q01 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt01);
|
|
|
|
|
|
|
|
q10_base = rte_sched_port_qbase(port, q10);
|
|
|
|
q11_base = rte_sched_port_qbase(port, q11);
|
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(port, q10, q10_base);
|
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(port, q11, q11_base);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
r20 = rte_sched_port_enqueue_qwa(port, q20, q20_base, pkt20);
|
|
|
|
r21 = rte_sched_port_enqueue_qwa(port, q21, q21_base, pkt21);
|
|
|
|
result += r20 + r21;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
q_last = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt_last);
|
|
|
|
|
|
|
|
q00_base = rte_sched_port_qbase(port, q00);
|
|
|
|
q01_base = rte_sched_port_qbase(port, q01);
|
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(port, q00, q00_base);
|
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(port, q01, q01_base);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
r10 = rte_sched_port_enqueue_qwa(port, q10, q10_base, pkt10);
|
|
|
|
r11 = rte_sched_port_enqueue_qwa(port, q11, q11_base, pkt11);
|
|
|
|
result += r10 + r11;
|
|
|
|
|
|
|
|
q_last_base = rte_sched_port_qbase(port, q_last);
|
|
|
|
rte_sched_port_enqueue_qwa_prefetch0(port, q_last, q_last_base);
|
|
|
|
|
|
|
|
r00 = rte_sched_port_enqueue_qwa(port, q00, q00_base, pkt00);
|
|
|
|
r01 = rte_sched_port_enqueue_qwa(port, q01, q01_base, pkt01);
|
|
|
|
result += r00 + r01;
|
|
|
|
|
|
|
|
if (n_pkts & 1) {
|
|
|
|
r_last = rte_sched_port_enqueue_qwa(port, q_last, q_last_base, pkt_last);
|
|
|
|
result += r_last;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
2015-11-13 17:58:31 +00:00
|
|
|
#ifndef RTE_SCHED_SUBPORT_TC_OV
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
static inline void
|
|
|
|
grinder_credits_update(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
struct rte_sched_subport *subport = grinder->subport;
|
|
|
|
struct rte_sched_pipe *pipe = grinder->pipe;
|
|
|
|
struct rte_sched_pipe_profile *params = grinder->pipe_params;
|
|
|
|
uint64_t n_periods;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Subport TB */
|
|
|
|
n_periods = (port->time - subport->tb_time) / subport->tb_period;
|
|
|
|
subport->tb_credits += n_periods * subport->tb_credits_per_period;
|
|
|
|
subport->tb_credits = rte_sched_min_val_2_u32(subport->tb_credits, subport->tb_size);
|
|
|
|
subport->tb_time += n_periods * subport->tb_period;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Pipe TB */
|
|
|
|
n_periods = (port->time - pipe->tb_time) / params->tb_period;
|
|
|
|
pipe->tb_credits += n_periods * params->tb_credits_per_period;
|
|
|
|
pipe->tb_credits = rte_sched_min_val_2_u32(pipe->tb_credits, params->tb_size);
|
|
|
|
pipe->tb_time += n_periods * params->tb_period;
|
|
|
|
|
|
|
|
/* Subport TCs */
|
|
|
|
if (unlikely(port->time >= subport->tc_time)) {
|
|
|
|
subport->tc_credits[0] = subport->tc_credits_per_period[0];
|
|
|
|
subport->tc_credits[1] = subport->tc_credits_per_period[1];
|
|
|
|
subport->tc_credits[2] = subport->tc_credits_per_period[2];
|
|
|
|
subport->tc_credits[3] = subport->tc_credits_per_period[3];
|
|
|
|
subport->tc_time = port->time + subport->tc_period;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Pipe TCs */
|
|
|
|
if (unlikely(port->time >= pipe->tc_time)) {
|
|
|
|
pipe->tc_credits[0] = params->tc_credits_per_period[0];
|
|
|
|
pipe->tc_credits[1] = params->tc_credits_per_period[1];
|
|
|
|
pipe->tc_credits[2] = params->tc_credits_per_period[2];
|
|
|
|
pipe->tc_credits[3] = params->tc_credits_per_period[3];
|
|
|
|
pipe->tc_time = port->time + params->tc_period;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
static inline uint32_t
|
|
|
|
grinder_tc_ov_credits_update(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
struct rte_sched_subport *subport = grinder->subport;
|
|
|
|
uint32_t tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
|
|
|
|
uint32_t tc_ov_consumption_max;
|
|
|
|
uint32_t tc_ov_wm = subport->tc_ov_wm;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (subport->tc_ov == 0)
|
2013-07-22 22:00:00 +00:00
|
|
|
return subport->tc_ov_wm_max;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
tc_ov_consumption[0] = subport->tc_credits_per_period[0] - subport->tc_credits[0];
|
|
|
|
tc_ov_consumption[1] = subport->tc_credits_per_period[1] - subport->tc_credits[1];
|
|
|
|
tc_ov_consumption[2] = subport->tc_credits_per_period[2] - subport->tc_credits[2];
|
|
|
|
tc_ov_consumption[3] = subport->tc_credits_per_period[3] - subport->tc_credits[3];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
|
|
|
tc_ov_consumption_max = subport->tc_credits_per_period[3] -
|
2013-07-22 22:00:00 +00:00
|
|
|
(tc_ov_consumption[0] + tc_ov_consumption[1] + tc_ov_consumption[2]);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
if (tc_ov_consumption[3] > (tc_ov_consumption_max - port->mtu)) {
|
|
|
|
tc_ov_wm -= tc_ov_wm >> 7;
|
2015-11-13 17:58:35 +00:00
|
|
|
if (tc_ov_wm < subport->tc_ov_wm_min)
|
2013-07-22 22:00:00 +00:00
|
|
|
tc_ov_wm = subport->tc_ov_wm_min;
|
2015-11-13 17:58:35 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
return tc_ov_wm;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
tc_ov_wm += (tc_ov_wm >> 7) + 1;
|
2015-11-13 17:58:35 +00:00
|
|
|
if (tc_ov_wm > subport->tc_ov_wm_max)
|
2013-07-22 22:00:00 +00:00
|
|
|
tc_ov_wm = subport->tc_ov_wm_max;
|
2015-11-13 17:58:35 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
return tc_ov_wm;
|
|
|
|
}
|
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
static inline void
|
|
|
|
grinder_credits_update(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
struct rte_sched_subport *subport = grinder->subport;
|
|
|
|
struct rte_sched_pipe *pipe = grinder->pipe;
|
|
|
|
struct rte_sched_pipe_profile *params = grinder->pipe_params;
|
|
|
|
uint64_t n_periods;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Subport TB */
|
|
|
|
n_periods = (port->time - subport->tb_time) / subport->tb_period;
|
|
|
|
subport->tb_credits += n_periods * subport->tb_credits_per_period;
|
|
|
|
subport->tb_credits = rte_sched_min_val_2_u32(subport->tb_credits, subport->tb_size);
|
|
|
|
subport->tb_time += n_periods * subport->tb_period;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Pipe TB */
|
|
|
|
n_periods = (port->time - pipe->tb_time) / params->tb_period;
|
|
|
|
pipe->tb_credits += n_periods * params->tb_credits_per_period;
|
|
|
|
pipe->tb_credits = rte_sched_min_val_2_u32(pipe->tb_credits, params->tb_size);
|
|
|
|
pipe->tb_time += n_periods * params->tb_period;
|
|
|
|
|
|
|
|
/* Subport TCs */
|
2013-07-22 22:00:00 +00:00
|
|
|
if (unlikely(port->time >= subport->tc_time)) {
|
|
|
|
subport->tc_ov_wm = grinder_tc_ov_credits_update(port, pos);
|
|
|
|
|
|
|
|
subport->tc_credits[0] = subport->tc_credits_per_period[0];
|
|
|
|
subport->tc_credits[1] = subport->tc_credits_per_period[1];
|
|
|
|
subport->tc_credits[2] = subport->tc_credits_per_period[2];
|
|
|
|
subport->tc_credits[3] = subport->tc_credits_per_period[3];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
subport->tc_time = port->time + subport->tc_period;
|
2015-11-13 17:58:35 +00:00
|
|
|
subport->tc_ov_period_id++;
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
2013-07-22 22:00:00 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Pipe TCs */
|
|
|
|
if (unlikely(port->time >= pipe->tc_time)) {
|
|
|
|
pipe->tc_credits[0] = params->tc_credits_per_period[0];
|
|
|
|
pipe->tc_credits[1] = params->tc_credits_per_period[1];
|
|
|
|
pipe->tc_credits[2] = params->tc_credits_per_period[2];
|
|
|
|
pipe->tc_credits[3] = params->tc_credits_per_period[3];
|
|
|
|
pipe->tc_time = port->time + params->tc_period;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
/* Pipe TCs - Oversubscription */
|
2013-06-03 00:00:00 +00:00
|
|
|
if (unlikely(pipe->tc_ov_period_id != subport->tc_ov_period_id)) {
|
2013-07-22 22:00:00 +00:00
|
|
|
pipe->tc_ov_credits = subport->tc_ov_wm * params->tc_ov_weight;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
pipe->tc_ov_period_id = subport->tc_ov_period_id;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* RTE_SCHED_TS_CREDITS_UPDATE, RTE_SCHED_SUBPORT_TC_OV */
|
|
|
|
|
2013-09-18 10:00:00 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
#ifndef RTE_SCHED_SUBPORT_TC_OV
|
|
|
|
|
|
|
|
static inline int
|
|
|
|
grinder_credits_check(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
struct rte_sched_subport *subport = grinder->subport;
|
|
|
|
struct rte_sched_pipe *pipe = grinder->pipe;
|
|
|
|
struct rte_mbuf *pkt = grinder->pkt;
|
|
|
|
uint32_t tc_index = grinder->tc_index;
|
2014-08-28 15:42:37 +00:00
|
|
|
uint32_t pkt_len = pkt->pkt_len + port->frame_overhead;
|
2013-07-22 22:00:00 +00:00
|
|
|
uint32_t subport_tb_credits = subport->tb_credits;
|
|
|
|
uint32_t subport_tc_credits = subport->tc_credits[tc_index];
|
|
|
|
uint32_t pipe_tb_credits = pipe->tb_credits;
|
|
|
|
uint32_t pipe_tc_credits = pipe->tc_credits[tc_index];
|
2013-06-03 00:00:00 +00:00
|
|
|
int enough_credits;
|
|
|
|
|
|
|
|
/* Check queue credits */
|
2013-07-22 22:00:00 +00:00
|
|
|
enough_credits = (pkt_len <= subport_tb_credits) &&
|
|
|
|
(pkt_len <= subport_tc_credits) &&
|
|
|
|
(pkt_len <= pipe_tb_credits) &&
|
|
|
|
(pkt_len <= pipe_tc_credits);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (!enough_credits)
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Update port credits */
|
|
|
|
subport->tb_credits -= pkt_len;
|
|
|
|
subport->tc_credits[tc_index] -= pkt_len;
|
|
|
|
pipe->tb_credits -= pkt_len;
|
|
|
|
pipe->tc_credits[tc_index] -= pkt_len;
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
static inline int
|
|
|
|
grinder_credits_check(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
struct rte_sched_subport *subport = grinder->subport;
|
|
|
|
struct rte_sched_pipe *pipe = grinder->pipe;
|
|
|
|
struct rte_mbuf *pkt = grinder->pkt;
|
|
|
|
uint32_t tc_index = grinder->tc_index;
|
2014-08-28 15:42:37 +00:00
|
|
|
uint32_t pkt_len = pkt->pkt_len + port->frame_overhead;
|
2013-06-03 00:00:00 +00:00
|
|
|
uint32_t subport_tb_credits = subport->tb_credits;
|
|
|
|
uint32_t subport_tc_credits = subport->tc_credits[tc_index];
|
|
|
|
uint32_t pipe_tb_credits = pipe->tb_credits;
|
|
|
|
uint32_t pipe_tc_credits = pipe->tc_credits[tc_index];
|
2013-07-22 22:00:00 +00:00
|
|
|
uint32_t pipe_tc_ov_mask1[] = {UINT32_MAX, UINT32_MAX, UINT32_MAX, pipe->tc_ov_credits};
|
|
|
|
uint32_t pipe_tc_ov_mask2[] = {0, 0, 0, UINT32_MAX};
|
|
|
|
uint32_t pipe_tc_ov_credits = pipe_tc_ov_mask1[tc_index];
|
2013-06-03 00:00:00 +00:00
|
|
|
int enough_credits;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Check pipe and subport credits */
|
|
|
|
enough_credits = (pkt_len <= subport_tb_credits) &&
|
|
|
|
(pkt_len <= subport_tc_credits) &&
|
|
|
|
(pkt_len <= pipe_tb_credits) &&
|
|
|
|
(pkt_len <= pipe_tc_credits) &&
|
|
|
|
(pkt_len <= pipe_tc_ov_credits);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (!enough_credits)
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Update pipe and subport credits */
|
|
|
|
subport->tb_credits -= pkt_len;
|
|
|
|
subport->tc_credits[tc_index] -= pkt_len;
|
|
|
|
pipe->tb_credits -= pkt_len;
|
|
|
|
pipe->tc_credits[tc_index] -= pkt_len;
|
2013-07-22 22:00:00 +00:00
|
|
|
pipe->tc_ov_credits -= pipe_tc_ov_mask2[tc_index] & pkt_len;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* RTE_SCHED_SUBPORT_TC_OV */
|
|
|
|
|
2013-09-18 10:00:00 +00:00
|
|
|
|
2014-06-03 23:42:50 +00:00
|
|
|
static inline int
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder_schedule(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
struct rte_sched_queue *queue = grinder->queue[grinder->qpos];
|
|
|
|
struct rte_mbuf *pkt = grinder->pkt;
|
2014-08-28 15:42:37 +00:00
|
|
|
uint32_t pkt_len = pkt->pkt_len + port->frame_overhead;
|
2013-06-03 00:00:00 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (!grinder_credits_check(port, pos))
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Advance port time */
|
|
|
|
port->time += pkt_len;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Send packet */
|
2015-11-13 17:58:35 +00:00
|
|
|
port->pkts_out[port->n_pkts_out++] = pkt;
|
|
|
|
queue->qr++;
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->wrr_tokens[grinder->qpos] += pkt_len * grinder->wrr_cost[grinder->qpos];
|
|
|
|
if (queue->qr == queue->qw) {
|
|
|
|
uint32_t qindex = grinder->qindex[grinder->qpos];
|
|
|
|
|
2013-07-22 22:00:00 +00:00
|
|
|
rte_bitmap_clear(port->bmp, qindex);
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->qmask &= ~(1 << grinder->qpos);
|
|
|
|
grinder->wrr_mask[grinder->qpos] = 0;
|
|
|
|
rte_sched_port_set_queue_empty_timestamp(port, qindex);
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Reset pipe loop detection */
|
|
|
|
port->pipe_loop = RTE_SCHED_PIPE_INVALID;
|
|
|
|
grinder->productive = 1;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2015-12-05 22:27:56 +00:00
|
|
|
#ifdef SCHED_VECTOR_SSE4
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
static inline int
|
|
|
|
grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
|
|
|
|
{
|
2015-11-13 17:58:35 +00:00
|
|
|
__m128i index = _mm_set1_epi32(base_pipe);
|
2013-06-03 00:00:00 +00:00
|
|
|
__m128i pipes = _mm_load_si128((__m128i *)port->grinder_base_bmp_pos);
|
|
|
|
__m128i res = _mm_cmpeq_epi32(pipes, index);
|
2015-11-13 17:58:35 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
pipes = _mm_load_si128((__m128i *)(port->grinder_base_bmp_pos + 4));
|
|
|
|
pipes = _mm_cmpeq_epi32(pipes, index);
|
|
|
|
res = _mm_or_si128(res, pipes);
|
|
|
|
|
|
|
|
if (_mm_testz_si128(res, res))
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
|
|
|
static inline int
|
|
|
|
grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
|
|
|
|
{
|
|
|
|
uint32_t i;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++) {
|
|
|
|
if (port->grinder_base_bmp_pos[i] == base_pipe)
|
2013-06-03 00:00:00 +00:00
|
|
|
return 1;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* RTE_SCHED_OPTIMIZATIONS */
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
grinder_pcache_populate(struct rte_sched_port *port, uint32_t pos, uint32_t bmp_pos, uint64_t bmp_slab)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
uint16_t w[4];
|
|
|
|
|
|
|
|
grinder->pcache_w = 0;
|
|
|
|
grinder->pcache_r = 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
w[0] = (uint16_t) bmp_slab;
|
|
|
|
w[1] = (uint16_t) (bmp_slab >> 16);
|
|
|
|
w[2] = (uint16_t) (bmp_slab >> 32);
|
|
|
|
w[3] = (uint16_t) (bmp_slab >> 48);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->pcache_qmask[grinder->pcache_w] = w[0];
|
|
|
|
grinder->pcache_qindex[grinder->pcache_w] = bmp_pos;
|
|
|
|
grinder->pcache_w += (w[0] != 0);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->pcache_qmask[grinder->pcache_w] = w[1];
|
|
|
|
grinder->pcache_qindex[grinder->pcache_w] = bmp_pos + 16;
|
|
|
|
grinder->pcache_w += (w[1] != 0);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->pcache_qmask[grinder->pcache_w] = w[2];
|
|
|
|
grinder->pcache_qindex[grinder->pcache_w] = bmp_pos + 32;
|
|
|
|
grinder->pcache_w += (w[2] != 0);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->pcache_qmask[grinder->pcache_w] = w[3];
|
|
|
|
grinder->pcache_qindex[grinder->pcache_w] = bmp_pos + 48;
|
|
|
|
grinder->pcache_w += (w[3] != 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
grinder_tccache_populate(struct rte_sched_port *port, uint32_t pos, uint32_t qindex, uint16_t qmask)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
uint8_t b[4];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->tccache_w = 0;
|
|
|
|
grinder->tccache_r = 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
b[0] = (uint8_t) (qmask & 0xF);
|
|
|
|
b[1] = (uint8_t) ((qmask >> 4) & 0xF);
|
|
|
|
b[2] = (uint8_t) ((qmask >> 8) & 0xF);
|
|
|
|
b[3] = (uint8_t) ((qmask >> 12) & 0xF);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->tccache_qmask[grinder->tccache_w] = b[0];
|
|
|
|
grinder->tccache_qindex[grinder->tccache_w] = qindex;
|
|
|
|
grinder->tccache_w += (b[0] != 0);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->tccache_qmask[grinder->tccache_w] = b[1];
|
|
|
|
grinder->tccache_qindex[grinder->tccache_w] = qindex + 4;
|
|
|
|
grinder->tccache_w += (b[1] != 0);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->tccache_qmask[grinder->tccache_w] = b[2];
|
|
|
|
grinder->tccache_qindex[grinder->tccache_w] = qindex + 8;
|
|
|
|
grinder->tccache_w += (b[2] != 0);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->tccache_qmask[grinder->tccache_w] = b[3];
|
|
|
|
grinder->tccache_qindex[grinder->tccache_w] = qindex + 12;
|
|
|
|
grinder->tccache_w += (b[3] != 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int
|
|
|
|
grinder_next_tc(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
struct rte_mbuf **qbase;
|
2014-06-03 23:42:50 +00:00
|
|
|
uint32_t qindex;
|
|
|
|
uint16_t qsize;
|
2013-06-03 00:00:00 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
if (grinder->tccache_r == grinder->tccache_w)
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
qindex = grinder->tccache_qindex[grinder->tccache_r];
|
|
|
|
qbase = rte_sched_port_qbase(port, qindex);
|
|
|
|
qsize = rte_sched_port_qsize(port, qindex);
|
|
|
|
|
|
|
|
grinder->tc_index = (qindex >> 2) & 0x3;
|
|
|
|
grinder->qmask = grinder->tccache_qmask[grinder->tccache_r];
|
|
|
|
grinder->qsize = qsize;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->qindex[0] = qindex;
|
|
|
|
grinder->qindex[1] = qindex + 1;
|
|
|
|
grinder->qindex[2] = qindex + 2;
|
|
|
|
grinder->qindex[3] = qindex + 3;
|
|
|
|
|
|
|
|
grinder->queue[0] = port->queue + qindex;
|
|
|
|
grinder->queue[1] = port->queue + qindex + 1;
|
|
|
|
grinder->queue[2] = port->queue + qindex + 2;
|
|
|
|
grinder->queue[3] = port->queue + qindex + 3;
|
|
|
|
|
|
|
|
grinder->qbase[0] = qbase;
|
|
|
|
grinder->qbase[1] = qbase + qsize;
|
|
|
|
grinder->qbase[2] = qbase + 2 * qsize;
|
|
|
|
grinder->qbase[3] = qbase + 3 * qsize;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
grinder->tccache_r++;
|
2013-06-03 00:00:00 +00:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int
|
|
|
|
grinder_next_pipe(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
uint32_t pipe_qindex;
|
|
|
|
uint16_t pipe_qmask;
|
|
|
|
|
|
|
|
if (grinder->pcache_r < grinder->pcache_w) {
|
|
|
|
pipe_qmask = grinder->pcache_qmask[grinder->pcache_r];
|
|
|
|
pipe_qindex = grinder->pcache_qindex[grinder->pcache_r];
|
2015-11-13 17:58:35 +00:00
|
|
|
grinder->pcache_r++;
|
2013-06-03 00:00:00 +00:00
|
|
|
} else {
|
|
|
|
uint64_t bmp_slab = 0;
|
|
|
|
uint32_t bmp_pos = 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
|
|
|
/* Get another non-empty pipe group */
|
2015-11-13 17:58:35 +00:00
|
|
|
if (unlikely(rte_bitmap_scan(port->bmp, &bmp_pos, &bmp_slab) <= 0))
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:29 +00:00
|
|
|
#ifdef RTE_SCHED_DEBUG
|
2013-06-03 00:00:00 +00:00
|
|
|
debug_check_queue_slab(port, bmp_pos, bmp_slab);
|
2014-06-03 23:42:50 +00:00
|
|
|
#endif
|
2013-06-03 00:00:00 +00:00
|
|
|
|
|
|
|
/* Return if pipe group already in one of the other grinders */
|
|
|
|
port->grinder_base_bmp_pos[pos] = RTE_SCHED_BMP_POS_INVALID;
|
2015-11-13 17:58:35 +00:00
|
|
|
if (unlikely(grinder_pipe_exists(port, bmp_pos)))
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
2015-11-13 17:58:35 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
port->grinder_base_bmp_pos[pos] = bmp_pos;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Install new pipe group into grinder's pipe cache */
|
|
|
|
grinder_pcache_populate(port, pos, bmp_pos, bmp_slab);
|
|
|
|
|
|
|
|
pipe_qmask = grinder->pcache_qmask[0];
|
|
|
|
pipe_qindex = grinder->pcache_qindex[0];
|
|
|
|
grinder->pcache_r = 1;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Install new pipe in the grinder */
|
|
|
|
grinder->pindex = pipe_qindex >> 4;
|
|
|
|
grinder->subport = port->subport + (grinder->pindex / port->n_pipes_per_subport);
|
|
|
|
grinder->pipe = port->pipe + grinder->pindex;
|
|
|
|
grinder->pipe_params = NULL; /* to be set after the pipe structure is prefetched */
|
|
|
|
grinder->productive = 0;
|
|
|
|
|
|
|
|
grinder_tccache_populate(port, pos, pipe_qindex, pipe_qmask);
|
|
|
|
grinder_next_tc(port, pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Check for pipe exhaustion */
|
|
|
|
if (grinder->pindex == port->pipe_loop) {
|
|
|
|
port->pipe_exhaustion = 1;
|
|
|
|
port->pipe_loop = RTE_SCHED_PIPE_INVALID;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
|
|
|
return 1;
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
grinder_wrr_load(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
struct rte_sched_pipe *pipe = grinder->pipe;
|
|
|
|
struct rte_sched_pipe_profile *pipe_params = grinder->pipe_params;
|
|
|
|
uint32_t tc_index = grinder->tc_index;
|
|
|
|
uint32_t qmask = grinder->qmask;
|
|
|
|
uint32_t qindex;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
qindex = tc_index * 4;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->wrr_tokens[0] = ((uint16_t) pipe->wrr_tokens[qindex]) << RTE_SCHED_WRR_SHIFT;
|
|
|
|
grinder->wrr_tokens[1] = ((uint16_t) pipe->wrr_tokens[qindex + 1]) << RTE_SCHED_WRR_SHIFT;
|
|
|
|
grinder->wrr_tokens[2] = ((uint16_t) pipe->wrr_tokens[qindex + 2]) << RTE_SCHED_WRR_SHIFT;
|
|
|
|
grinder->wrr_tokens[3] = ((uint16_t) pipe->wrr_tokens[qindex + 3]) << RTE_SCHED_WRR_SHIFT;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->wrr_mask[0] = (qmask & 0x1) * 0xFFFF;
|
|
|
|
grinder->wrr_mask[1] = ((qmask >> 1) & 0x1) * 0xFFFF;
|
|
|
|
grinder->wrr_mask[2] = ((qmask >> 2) & 0x1) * 0xFFFF;
|
|
|
|
grinder->wrr_mask[3] = ((qmask >> 3) & 0x1) * 0xFFFF;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->wrr_cost[0] = pipe_params->wrr_cost[qindex];
|
|
|
|
grinder->wrr_cost[1] = pipe_params->wrr_cost[qindex + 1];
|
|
|
|
grinder->wrr_cost[2] = pipe_params->wrr_cost[qindex + 2];
|
|
|
|
grinder->wrr_cost[3] = pipe_params->wrr_cost[qindex + 3];
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
grinder_wrr_store(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
struct rte_sched_pipe *pipe = grinder->pipe;
|
|
|
|
uint32_t tc_index = grinder->tc_index;
|
|
|
|
uint32_t qindex;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
qindex = tc_index * 4;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2015-11-13 17:58:35 +00:00
|
|
|
pipe->wrr_tokens[qindex] = (grinder->wrr_tokens[0] & grinder->wrr_mask[0])
|
|
|
|
>> RTE_SCHED_WRR_SHIFT;
|
|
|
|
pipe->wrr_tokens[qindex + 1] = (grinder->wrr_tokens[1] & grinder->wrr_mask[1])
|
|
|
|
>> RTE_SCHED_WRR_SHIFT;
|
|
|
|
pipe->wrr_tokens[qindex + 2] = (grinder->wrr_tokens[2] & grinder->wrr_mask[2])
|
|
|
|
>> RTE_SCHED_WRR_SHIFT;
|
|
|
|
pipe->wrr_tokens[qindex + 3] = (grinder->wrr_tokens[3] & grinder->wrr_mask[3])
|
|
|
|
>> RTE_SCHED_WRR_SHIFT;
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
grinder_wrr(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
uint16_t wrr_tokens_min;
|
|
|
|
|
|
|
|
grinder->wrr_tokens[0] |= ~grinder->wrr_mask[0];
|
|
|
|
grinder->wrr_tokens[1] |= ~grinder->wrr_mask[1];
|
|
|
|
grinder->wrr_tokens[2] |= ~grinder->wrr_mask[2];
|
|
|
|
grinder->wrr_tokens[3] |= ~grinder->wrr_mask[3];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->qpos = rte_min_pos_4_u16(grinder->wrr_tokens);
|
|
|
|
wrr_tokens_min = grinder->wrr_tokens[grinder->qpos];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->wrr_tokens[0] -= wrr_tokens_min;
|
|
|
|
grinder->wrr_tokens[1] -= wrr_tokens_min;
|
|
|
|
grinder->wrr_tokens[2] -= wrr_tokens_min;
|
|
|
|
grinder->wrr_tokens[3] -= wrr_tokens_min;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#define grinder_evict(port, pos)
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
grinder_prefetch_pipe(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_prefetch0(grinder->pipe);
|
|
|
|
rte_prefetch0(grinder->queue[0]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
grinder_prefetch_tc_queue_arrays(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
uint16_t qsize, qr[4];
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
qsize = grinder->qsize;
|
|
|
|
qr[0] = grinder->queue[0]->qr & (qsize - 1);
|
|
|
|
qr[1] = grinder->queue[1]->qr & (qsize - 1);
|
|
|
|
qr[2] = grinder->queue[2]->qr & (qsize - 1);
|
|
|
|
qr[3] = grinder->queue[3]->qr & (qsize - 1);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_prefetch0(grinder->qbase[0] + qr[0]);
|
|
|
|
rte_prefetch0(grinder->qbase[1] + qr[1]);
|
|
|
|
|
|
|
|
grinder_wrr_load(port, pos);
|
|
|
|
grinder_wrr(port, pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_prefetch0(grinder->qbase[2] + qr[2]);
|
2014-06-03 23:42:50 +00:00
|
|
|
rte_prefetch0(grinder->qbase[3] + qr[3]);
|
2013-06-03 00:00:00 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static inline void
|
|
|
|
grinder_prefetch_mbuf(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
|
|
|
uint32_t qpos = grinder->qpos;
|
|
|
|
struct rte_mbuf **qbase = grinder->qbase[qpos];
|
|
|
|
uint16_t qsize = grinder->qsize;
|
|
|
|
uint16_t qr = grinder->queue[qpos]->qr & (qsize - 1);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->pkt = qbase[qr];
|
|
|
|
rte_prefetch0(grinder->pkt);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
if (unlikely((qr & 0x7) == 7)) {
|
|
|
|
uint16_t qr_next = (grinder->queue[qpos]->qr + 1) & (qsize - 1);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_prefetch0(qbase + qr_next);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline uint32_t
|
|
|
|
grinder_handle(struct rte_sched_port *port, uint32_t pos)
|
|
|
|
{
|
|
|
|
struct rte_sched_grinder *grinder = port->grinder + pos;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
switch (grinder->state) {
|
|
|
|
case e_GRINDER_PREFETCH_PIPE:
|
|
|
|
{
|
|
|
|
if (grinder_next_pipe(port, pos)) {
|
|
|
|
grinder_prefetch_pipe(port, pos);
|
2015-11-13 17:58:35 +00:00
|
|
|
port->busy_grinders++;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->state = e_GRINDER_PREFETCH_TC_QUEUE_ARRAYS;
|
|
|
|
return 0;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
case e_GRINDER_PREFETCH_TC_QUEUE_ARRAYS:
|
|
|
|
{
|
|
|
|
struct rte_sched_pipe *pipe = grinder->pipe;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->pipe_params = port->pipe_profiles + pipe->profile;
|
|
|
|
grinder_prefetch_tc_queue_arrays(port, pos);
|
|
|
|
grinder_credits_update(port, pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->state = e_GRINDER_PREFETCH_MBUF;
|
|
|
|
return 0;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
case e_GRINDER_PREFETCH_MBUF:
|
|
|
|
{
|
|
|
|
grinder_prefetch_mbuf(port, pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->state = e_GRINDER_READ_MBUF;
|
|
|
|
return 0;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
case e_GRINDER_READ_MBUF:
|
|
|
|
{
|
|
|
|
uint32_t result = 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
result = grinder_schedule(port, pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Look for next packet within the same TC */
|
|
|
|
if (result && grinder->qmask) {
|
|
|
|
grinder_wrr(port, pos);
|
|
|
|
grinder_prefetch_mbuf(port, pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
grinder_wrr_store(port, pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Look for another active TC within same pipe */
|
|
|
|
if (grinder_next_tc(port, pos)) {
|
|
|
|
grinder_prefetch_tc_queue_arrays(port, pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->state = e_GRINDER_PREFETCH_MBUF;
|
|
|
|
return result;
|
2014-06-03 23:42:50 +00:00
|
|
|
}
|
2015-11-13 17:58:35 +00:00
|
|
|
|
|
|
|
if (grinder->productive == 0 &&
|
|
|
|
port->pipe_loop == RTE_SCHED_PIPE_INVALID)
|
2013-06-03 00:00:00 +00:00
|
|
|
port->pipe_loop = grinder->pindex;
|
2015-11-13 17:58:35 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder_evict(port, pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Look for another active pipe */
|
|
|
|
if (grinder_next_pipe(port, pos)) {
|
|
|
|
grinder_prefetch_pipe(port, pos);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->state = e_GRINDER_PREFETCH_TC_QUEUE_ARRAYS;
|
|
|
|
return result;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* No active pipe found */
|
2015-11-13 17:58:35 +00:00
|
|
|
port->busy_grinders--;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
grinder->state = e_GRINDER_PREFETCH_PIPE;
|
|
|
|
return result;
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
default:
|
|
|
|
rte_panic("Algorithmic error (invalid state)\n");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-06-03 23:42:50 +00:00
|
|
|
static inline void
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_sched_port_time_resync(struct rte_sched_port *port)
|
|
|
|
{
|
|
|
|
uint64_t cycles = rte_get_tsc_cycles();
|
|
|
|
uint64_t cycles_diff = cycles - port->time_cpu_cycles;
|
2015-11-29 18:46:49 +00:00
|
|
|
uint64_t bytes_diff;
|
|
|
|
|
|
|
|
/* Compute elapsed time in bytes */
|
|
|
|
bytes_diff = rte_reciprocal_divide(cycles_diff << RTE_SCHED_TIME_SHIFT,
|
|
|
|
port->inv_cycles_per_byte);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Advance port time */
|
|
|
|
port->time_cpu_cycles = cycles;
|
2015-11-29 18:46:49 +00:00
|
|
|
port->time_cpu_bytes += bytes_diff;
|
2015-11-13 17:58:35 +00:00
|
|
|
if (port->time < port->time_cpu_bytes)
|
2013-06-03 00:00:00 +00:00
|
|
|
port->time = port->time_cpu_bytes;
|
|
|
|
|
|
|
|
/* Reset pipe loop detection */
|
|
|
|
port->pipe_loop = RTE_SCHED_PIPE_INVALID;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int
|
2014-05-14 16:25:27 +00:00
|
|
|
rte_sched_port_exceptions(struct rte_sched_port *port, int second_pass)
|
2013-06-03 00:00:00 +00:00
|
|
|
{
|
|
|
|
int exceptions;
|
|
|
|
|
|
|
|
/* Check if any exception flag is set */
|
2014-05-14 16:25:27 +00:00
|
|
|
exceptions = (second_pass && port->busy_grinders == 0) ||
|
2013-06-03 00:00:00 +00:00
|
|
|
(port->pipe_exhaustion == 1);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Clear exception flags */
|
|
|
|
port->pipe_exhaustion = 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return exceptions;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
rte_sched_port_dequeue(struct rte_sched_port *port, struct rte_mbuf **pkts, uint32_t n_pkts)
|
|
|
|
{
|
|
|
|
uint32_t i, count;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
port->pkts_out = pkts;
|
|
|
|
port->n_pkts_out = 0;
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
rte_sched_port_time_resync(port);
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
/* Take each queue in the grinder one step further */
|
2015-11-13 17:58:35 +00:00
|
|
|
for (i = 0, count = 0; ; i++) {
|
2013-06-03 00:00:00 +00:00
|
|
|
count += grinder_handle(port, i & (RTE_SCHED_PORT_N_GRINDERS - 1));
|
2014-05-14 16:25:27 +00:00
|
|
|
if ((count == n_pkts) ||
|
|
|
|
rte_sched_port_exceptions(port, i >= RTE_SCHED_PORT_N_GRINDERS)) {
|
2013-06-03 00:00:00 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2014-06-03 23:42:50 +00:00
|
|
|
|
2013-06-03 00:00:00 +00:00
|
|
|
return count;
|
|
|
|
}
|