292 lines
7.9 KiB
C
292 lines
7.9 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <rte_log.h>
|
|
#include <rte_mbuf.h>
|
|
#include <rte_malloc.h>
|
|
#include <rte_cycles.h>
|
|
#include <rte_ethdev.h>
|
|
#include <rte_memcpy.h>
|
|
#include <rte_byteorder.h>
|
|
#include <rte_branch_prediction.h>
|
|
#include <rte_sched.h>
|
|
|
|
#include "main.h"
|
|
|
|
/*
|
|
* QoS parameters are encoded as follows:
|
|
* Outer VLAN ID defines subport
|
|
* Inner VLAN ID defines pipe
|
|
* Destination IP 0.0.XXX.0 defines traffic class
|
|
* Destination IP host (0.0.0.XXX) defines queue
|
|
* Values below define offset to each field from start of frame
|
|
*/
|
|
#define SUBPORT_OFFSET 7
|
|
#define PIPE_OFFSET 9
|
|
#define TC_OFFSET 20
|
|
#define QUEUE_OFFSET 20
|
|
#define COLOR_OFFSET 19
|
|
|
|
static inline int
|
|
get_pkt_sched(struct rte_mbuf *m, uint32_t *subport, uint32_t *pipe,
|
|
uint32_t *traffic_class, uint32_t *queue, uint32_t *color)
|
|
{
|
|
uint16_t *pdata = rte_pktmbuf_mtod(m, uint16_t *);
|
|
|
|
*subport = (rte_be_to_cpu_16(pdata[SUBPORT_OFFSET]) & 0x0FFF) &
|
|
(port_params.n_subports_per_port - 1); /* Outer VLAN ID*/
|
|
*pipe = (rte_be_to_cpu_16(pdata[PIPE_OFFSET]) & 0x0FFF) &
|
|
(port_params.n_pipes_per_subport - 1); /* Inner VLAN ID */
|
|
*traffic_class = (pdata[QUEUE_OFFSET] & 0x0F) &
|
|
(RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE - 1); /* Destination IP */
|
|
*queue = ((pdata[QUEUE_OFFSET] >> 8) & 0x0F) &
|
|
(RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS - 1) ; /* Destination IP */
|
|
*color = pdata[COLOR_OFFSET] & 0x03; /* Destination IP */
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
app_rx_thread(struct thread_conf **confs)
|
|
{
|
|
uint32_t i, nb_rx;
|
|
struct rte_mbuf *rx_mbufs[burst_conf.rx_burst] __rte_cache_aligned;
|
|
struct thread_conf *conf;
|
|
int conf_idx = 0;
|
|
|
|
uint32_t subport;
|
|
uint32_t pipe;
|
|
uint32_t traffic_class;
|
|
uint32_t queue;
|
|
uint32_t color;
|
|
|
|
while ((conf = confs[conf_idx])) {
|
|
nb_rx = rte_eth_rx_burst(conf->rx_port, conf->rx_queue, rx_mbufs,
|
|
burst_conf.rx_burst);
|
|
|
|
if (likely(nb_rx != 0)) {
|
|
APP_STATS_ADD(conf->stat.nb_rx, nb_rx);
|
|
|
|
for(i = 0; i < nb_rx; i++) {
|
|
get_pkt_sched(rx_mbufs[i],
|
|
&subport, &pipe, &traffic_class, &queue, &color);
|
|
rte_sched_port_pkt_write(rx_mbufs[i], subport, pipe,
|
|
traffic_class, queue, (enum rte_meter_color) color);
|
|
}
|
|
|
|
if (unlikely(rte_ring_sp_enqueue_bulk(conf->rx_ring,
|
|
(void **)rx_mbufs, nb_rx) != 0)) {
|
|
for(i = 0; i < nb_rx; i++) {
|
|
rte_pktmbuf_free(rx_mbufs[i]);
|
|
|
|
APP_STATS_ADD(conf->stat.nb_drop, 1);
|
|
}
|
|
}
|
|
}
|
|
conf_idx++;
|
|
if (confs[conf_idx] == NULL)
|
|
conf_idx = 0;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/* Send the packet to an output interface
|
|
* For performance reason function returns number of packets dropped, not sent,
|
|
* so 0 means that all packets were sent successfully
|
|
*/
|
|
|
|
static inline void
|
|
app_send_burst(struct thread_conf *qconf)
|
|
{
|
|
struct rte_mbuf **mbufs;
|
|
uint32_t n, ret;
|
|
|
|
mbufs = (struct rte_mbuf **)qconf->m_table;
|
|
n = qconf->n_mbufs;
|
|
|
|
do {
|
|
ret = rte_eth_tx_burst(qconf->tx_port, qconf->tx_queue, mbufs, (uint16_t)n);
|
|
/* we cannot drop the packets, so re-send */
|
|
/* update number of packets to be sent */
|
|
n -= ret;
|
|
mbufs = (struct rte_mbuf **)&mbufs[ret];
|
|
} while (n);
|
|
}
|
|
|
|
|
|
/* Send the packet to an output interface */
|
|
static void
|
|
app_send_packets(struct thread_conf *qconf, struct rte_mbuf **mbufs, uint32_t nb_pkt)
|
|
{
|
|
uint32_t i, len;
|
|
|
|
len = qconf->n_mbufs;
|
|
for(i = 0; i < nb_pkt; i++) {
|
|
qconf->m_table[len] = mbufs[i];
|
|
len++;
|
|
/* enough pkts to be sent */
|
|
if (unlikely(len == burst_conf.tx_burst)) {
|
|
qconf->n_mbufs = len;
|
|
app_send_burst(qconf);
|
|
len = 0;
|
|
}
|
|
}
|
|
|
|
qconf->n_mbufs = len;
|
|
}
|
|
|
|
void
|
|
app_tx_thread(struct thread_conf **confs)
|
|
{
|
|
struct rte_mbuf *mbufs[burst_conf.qos_dequeue];
|
|
struct thread_conf *conf;
|
|
int conf_idx = 0;
|
|
int retval;
|
|
const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
|
|
|
|
while ((conf = confs[conf_idx])) {
|
|
retval = rte_ring_sc_dequeue_bulk(conf->tx_ring, (void **)mbufs,
|
|
burst_conf.qos_dequeue);
|
|
if (likely(retval == 0)) {
|
|
app_send_packets(conf, mbufs, burst_conf.qos_dequeue);
|
|
|
|
conf->counter = 0; /* reset empty read loop counter */
|
|
}
|
|
|
|
conf->counter++;
|
|
|
|
/* drain ring and TX queues */
|
|
if (unlikely(conf->counter > drain_tsc)) {
|
|
/* now check is there any packets left to be transmitted */
|
|
if (conf->n_mbufs != 0) {
|
|
app_send_burst(conf);
|
|
|
|
conf->n_mbufs = 0;
|
|
}
|
|
conf->counter = 0;
|
|
}
|
|
|
|
conf_idx++;
|
|
if (confs[conf_idx] == NULL)
|
|
conf_idx = 0;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
app_worker_thread(struct thread_conf **confs)
|
|
{
|
|
struct rte_mbuf *mbufs[burst_conf.ring_burst];
|
|
struct thread_conf *conf;
|
|
int conf_idx = 0;
|
|
|
|
while ((conf = confs[conf_idx])) {
|
|
uint32_t nb_pkt;
|
|
|
|
/* Read packet from the ring */
|
|
nb_pkt = rte_ring_sc_dequeue_burst(conf->rx_ring, (void **)mbufs,
|
|
burst_conf.ring_burst);
|
|
if (likely(nb_pkt)) {
|
|
int nb_sent = rte_sched_port_enqueue(conf->sched_port, mbufs,
|
|
nb_pkt);
|
|
|
|
APP_STATS_ADD(conf->stat.nb_drop, nb_pkt - nb_sent);
|
|
APP_STATS_ADD(conf->stat.nb_rx, nb_pkt);
|
|
}
|
|
|
|
nb_pkt = rte_sched_port_dequeue(conf->sched_port, mbufs,
|
|
burst_conf.qos_dequeue);
|
|
if (likely(nb_pkt > 0))
|
|
while (rte_ring_sp_enqueue_bulk(conf->tx_ring, (void **)mbufs, nb_pkt) != 0);
|
|
|
|
conf_idx++;
|
|
if (confs[conf_idx] == NULL)
|
|
conf_idx = 0;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
app_mixed_thread(struct thread_conf **confs)
|
|
{
|
|
struct rte_mbuf *mbufs[burst_conf.ring_burst];
|
|
struct thread_conf *conf;
|
|
int conf_idx = 0;
|
|
const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
|
|
|
|
while ((conf = confs[conf_idx])) {
|
|
uint32_t nb_pkt;
|
|
|
|
/* Read packet from the ring */
|
|
nb_pkt = rte_ring_sc_dequeue_burst(conf->rx_ring, (void **)mbufs,
|
|
burst_conf.ring_burst);
|
|
if (likely(nb_pkt)) {
|
|
int nb_sent = rte_sched_port_enqueue(conf->sched_port, mbufs,
|
|
nb_pkt);
|
|
|
|
APP_STATS_ADD(conf->stat.nb_drop, nb_pkt - nb_sent);
|
|
APP_STATS_ADD(conf->stat.nb_rx, nb_pkt);
|
|
}
|
|
|
|
|
|
nb_pkt = rte_sched_port_dequeue(conf->sched_port, mbufs,
|
|
burst_conf.qos_dequeue);
|
|
if (likely(nb_pkt > 0)) {
|
|
app_send_packets(conf, mbufs, nb_pkt);
|
|
|
|
conf->counter = 0; /* reset empty read loop counter */
|
|
}
|
|
|
|
conf->counter++;
|
|
|
|
/* drain ring and TX queues */
|
|
if (unlikely(conf->counter > drain_tsc)) {
|
|
|
|
/* now check is there any packets left to be transmitted */
|
|
if (conf->n_mbufs != 0) {
|
|
app_send_burst(conf);
|
|
|
|
conf->n_mbufs = 0;
|
|
}
|
|
conf->counter = 0;
|
|
}
|
|
|
|
conf_idx++;
|
|
if (confs[conf_idx] == NULL)
|
|
conf_idx = 0;
|
|
}
|
|
}
|