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-rw-r--r--examples/qos_sched/init.c370
1 files changed, 370 insertions, 0 deletions
diff --git a/examples/qos_sched/init.c b/examples/qos_sched/init.c
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+/*-
+ * 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 <memory.h>
+
+#include <rte_log.h>
+#include <rte_mbuf.h>
+#include <rte_debug.h>
+#include <rte_ethdev.h>
+#include <rte_mempool.h>
+#include <rte_sched.h>
+#include <rte_cycles.h>
+#include <rte_string_fns.h>
+#include <rte_cfgfile.h>
+
+#include "main.h"
+#include "cfg_file.h"
+
+uint32_t app_numa_mask = 0;
+static uint32_t app_inited_port_mask = 0;
+
+int app_pipe_to_profile[MAX_SCHED_SUBPORTS][MAX_SCHED_PIPES];
+
+#define MAX_NAME_LEN 32
+
+struct ring_conf ring_conf = {
+ .rx_size = APP_RX_DESC_DEFAULT,
+ .ring_size = APP_RING_SIZE,
+ .tx_size = APP_TX_DESC_DEFAULT,
+};
+
+struct burst_conf burst_conf = {
+ .rx_burst = MAX_PKT_RX_BURST,
+ .ring_burst = PKT_ENQUEUE,
+ .qos_dequeue = PKT_DEQUEUE,
+ .tx_burst = MAX_PKT_TX_BURST,
+};
+
+struct ring_thresh rx_thresh = {
+ .pthresh = RX_PTHRESH,
+ .hthresh = RX_HTHRESH,
+ .wthresh = RX_WTHRESH,
+};
+
+struct ring_thresh tx_thresh = {
+ .pthresh = TX_PTHRESH,
+ .hthresh = TX_HTHRESH,
+ .wthresh = TX_WTHRESH,
+};
+
+uint32_t nb_pfc;
+const char *cfg_profile = NULL;
+int mp_size = NB_MBUF;
+struct flow_conf qos_conf[MAX_DATA_STREAMS];
+
+static const struct rte_eth_conf port_conf = {
+ .rxmode = {
+ .max_rx_pkt_len = ETHER_MAX_LEN,
+ .split_hdr_size = 0,
+ .header_split = 0, /**< Header Split disabled */
+ .hw_ip_checksum = 0, /**< IP checksum offload disabled */
+ .hw_vlan_filter = 0, /**< VLAN filtering disabled */
+ .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
+ .hw_strip_crc = 0, /**< CRC stripped by hardware */
+ },
+ .txmode = {
+ .mq_mode = ETH_DCB_NONE,
+ },
+};
+
+static int
+app_init_port(uint8_t portid, struct rte_mempool *mp)
+{
+ int ret;
+ struct rte_eth_link link;
+ struct rte_eth_rxconf rx_conf;
+ struct rte_eth_txconf tx_conf;
+
+ /* check if port already initialized (multistream configuration) */
+ if (app_inited_port_mask & (1u << portid))
+ return 0;
+
+ rx_conf.rx_thresh.pthresh = rx_thresh.pthresh;
+ rx_conf.rx_thresh.hthresh = rx_thresh.hthresh;
+ rx_conf.rx_thresh.wthresh = rx_thresh.wthresh;
+ rx_conf.rx_free_thresh = 32;
+ rx_conf.rx_drop_en = 0;
+
+ tx_conf.tx_thresh.pthresh = tx_thresh.pthresh;
+ tx_conf.tx_thresh.hthresh = tx_thresh.hthresh;
+ tx_conf.tx_thresh.wthresh = tx_thresh.wthresh;
+ tx_conf.tx_free_thresh = 0;
+ tx_conf.tx_rs_thresh = 0;
+ tx_conf.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS | ETH_TXQ_FLAGS_NOOFFLOADS;
+
+ /* init port */
+ RTE_LOG(INFO, APP, "Initializing port %"PRIu8"... ", portid);
+ fflush(stdout);
+ ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Cannot configure device: "
+ "err=%d, port=%"PRIu8"\n", ret, portid);
+
+ /* init one RX queue */
+ fflush(stdout);
+ ret = rte_eth_rx_queue_setup(portid, 0, (uint16_t)ring_conf.rx_size,
+ rte_eth_dev_socket_id(portid), &rx_conf, mp);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
+ "err=%d, port=%"PRIu8"\n", ret, portid);
+
+ /* init one TX queue */
+ fflush(stdout);
+ ret = rte_eth_tx_queue_setup(portid, 0,
+ (uint16_t)ring_conf.tx_size, rte_eth_dev_socket_id(portid), &tx_conf);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
+ "port=%"PRIu8" queue=%d\n", ret, portid, 0);
+
+ /* Start device */
+ ret = rte_eth_dev_start(portid);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "rte_pmd_port_start: "
+ "err=%d, port=%"PRIu8"\n", ret, portid);
+
+ printf("done: ");
+
+ /* get link status */
+ rte_eth_link_get(portid, &link);
+ if (link.link_status) {
+ printf(" Link Up - speed %u Mbps - %s\n",
+ (uint32_t) link.link_speed,
+ (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+ ("full-duplex") : ("half-duplex\n"));
+ } else {
+ printf(" Link Down\n");
+ }
+ rte_eth_promiscuous_enable(portid);
+
+ /* mark port as initialized */
+ app_inited_port_mask |= 1u << portid;
+
+ return 0;
+}
+
+static struct rte_sched_subport_params subport_params[MAX_SCHED_SUBPORTS] = {
+ {
+ .tb_rate = 1250000000,
+ .tb_size = 1000000,
+
+ .tc_rate = {1250000000, 1250000000, 1250000000, 1250000000},
+ .tc_period = 10,
+ },
+};
+
+static struct rte_sched_pipe_params pipe_profiles[RTE_SCHED_PIPE_PROFILES_PER_PORT] = {
+ { /* Profile #0 */
+ .tb_rate = 305175,
+ .tb_size = 1000000,
+
+ .tc_rate = {305175, 305175, 305175, 305175},
+ .tc_period = 40,
+#ifdef RTE_SCHED_SUBPORT_TC_OV
+ .tc_ov_weight = 1,
+#endif
+
+ .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
+ },
+};
+
+struct rte_sched_port_params port_params = {
+ .name = "port_scheduler_0",
+ .socket = 0, /* computed */
+ .rate = 0, /* computed */
+ .mtu = 6 + 6 + 4 + 4 + 2 + 1500,
+ .frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT,
+ .n_subports_per_port = 1,
+ .n_pipes_per_subport = 4096,
+ .qsize = {64, 64, 64, 64},
+ .pipe_profiles = pipe_profiles,
+ .n_pipe_profiles = sizeof(pipe_profiles) / sizeof(struct rte_sched_pipe_params),
+
+#ifdef RTE_SCHED_RED
+ .red_params = {
+ /* Traffic Class 0 Colors Green / Yellow / Red */
+ [0][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+ [0][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+ [0][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+
+ /* Traffic Class 1 - Colors Green / Yellow / Red */
+ [1][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+ [1][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+ [1][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+
+ /* Traffic Class 2 - Colors Green / Yellow / Red */
+ [2][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+ [2][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+ [2][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+
+ /* Traffic Class 3 - Colors Green / Yellow / Red */
+ [3][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+ [3][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
+ [3][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}
+ }
+#endif /* RTE_SCHED_RED */
+};
+
+static struct rte_sched_port *
+app_init_sched_port(uint32_t portid, uint32_t socketid)
+{
+ static char port_name[32]; /* static as referenced from global port_params*/
+ struct rte_eth_link link;
+ struct rte_sched_port *port = NULL;
+ uint32_t pipe, subport;
+ int err;
+
+ rte_eth_link_get((uint8_t)portid, &link);
+
+ port_params.socket = socketid;
+ port_params.rate = (uint64_t) link.link_speed * 1000 * 1000 / 8;
+ snprintf(port_name, sizeof(port_name), "port_%d", portid);
+ port_params.name = port_name;
+
+ port = rte_sched_port_config(&port_params);
+ if (port == NULL){
+ rte_exit(EXIT_FAILURE, "Unable to config sched port\n");
+ }
+
+ for (subport = 0; subport < port_params.n_subports_per_port; subport ++) {
+ err = rte_sched_subport_config(port, subport, &subport_params[subport]);
+ if (err) {
+ rte_exit(EXIT_FAILURE, "Unable to config sched subport %u, err=%d\n",
+ subport, err);
+ }
+
+ for (pipe = 0; pipe < port_params.n_pipes_per_subport; pipe ++) {
+ if (app_pipe_to_profile[subport][pipe] != -1) {
+ err = rte_sched_pipe_config(port, subport, pipe,
+ app_pipe_to_profile[subport][pipe]);
+ if (err) {
+ rte_exit(EXIT_FAILURE, "Unable to config sched pipe %u "
+ "for profile %d, err=%d\n", pipe,
+ app_pipe_to_profile[subport][pipe], err);
+ }
+ }
+ }
+ }
+
+ return port;
+}
+
+static int
+app_load_cfg_profile(const char *profile)
+{
+ if (profile == NULL)
+ return 0;
+ struct rte_cfgfile *file = rte_cfgfile_load(profile, 0);
+ if (file == NULL)
+ rte_exit(EXIT_FAILURE, "Cannot load configuration profile %s\n", profile);
+
+ cfg_load_port(file, &port_params);
+ cfg_load_subport(file, subport_params);
+ cfg_load_pipe(file, pipe_profiles);
+
+ rte_cfgfile_close(file);
+
+ return 0;
+}
+
+int app_init(void)
+{
+ uint32_t i;
+ char ring_name[MAX_NAME_LEN];
+ char pool_name[MAX_NAME_LEN];
+
+ if (rte_eth_dev_count() == 0)
+ rte_exit(EXIT_FAILURE, "No Ethernet port - bye\n");
+
+ /* load configuration profile */
+ if (app_load_cfg_profile(cfg_profile) != 0)
+ rte_exit(EXIT_FAILURE, "Invalid configuration profile\n");
+
+ /* Initialize each active flow */
+ for(i = 0; i < nb_pfc; i++) {
+ uint32_t socket = rte_lcore_to_socket_id(qos_conf[i].rx_core);
+ struct rte_ring *ring;
+
+ snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].rx_core);
+ ring = rte_ring_lookup(ring_name);
+ if (ring == NULL)
+ qos_conf[i].rx_ring = rte_ring_create(ring_name, ring_conf.ring_size,
+ socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
+ else
+ qos_conf[i].rx_ring = ring;
+
+ snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].tx_core);
+ ring = rte_ring_lookup(ring_name);
+ if (ring == NULL)
+ qos_conf[i].tx_ring = rte_ring_create(ring_name, ring_conf.ring_size,
+ socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
+ else
+ qos_conf[i].tx_ring = ring;
+
+
+ /* create the mbuf pools for each RX Port */
+ snprintf(pool_name, MAX_NAME_LEN, "mbuf_pool%u", i);
+ qos_conf[i].mbuf_pool = rte_pktmbuf_pool_create(pool_name,
+ mp_size, burst_conf.rx_burst * 4, 0,
+ RTE_MBUF_DEFAULT_BUF_SIZE,
+ rte_eth_dev_socket_id(qos_conf[i].rx_port));
+ if (qos_conf[i].mbuf_pool == NULL)
+ rte_exit(EXIT_FAILURE, "Cannot init mbuf pool for socket %u\n", i);
+
+ app_init_port(qos_conf[i].rx_port, qos_conf[i].mbuf_pool);
+ app_init_port(qos_conf[i].tx_port, qos_conf[i].mbuf_pool);
+
+ qos_conf[i].sched_port = app_init_sched_port(qos_conf[i].tx_port, socket);
+ }
+
+ RTE_LOG(INFO, APP, "time stamp clock running at %" PRIu64 " Hz\n",
+ rte_get_timer_hz());
+
+ RTE_LOG(INFO, APP, "Ring sizes: NIC RX = %u, Mempool = %d SW queue = %u,"
+ "NIC TX = %u\n", ring_conf.rx_size, mp_size, ring_conf.ring_size,
+ ring_conf.tx_size);
+
+ RTE_LOG(INFO, APP, "Burst sizes: RX read = %hu, RX write = %hu,\n"
+ " Worker read/QoS enqueue = %hu,\n"
+ " QoS dequeue = %hu, Worker write = %hu\n",
+ burst_conf.rx_burst, burst_conf.ring_burst, burst_conf.ring_burst,
+ burst_conf.qos_dequeue, burst_conf.tx_burst);
+
+ RTE_LOG(INFO, APP, "NIC thresholds RX (p = %hhu, h = %hhu, w = %hhu),"
+ "TX (p = %hhu, h = %hhu, w = %hhu)\n",
+ rx_thresh.pthresh, rx_thresh.hthresh, rx_thresh.wthresh,
+ tx_thresh.pthresh, tx_thresh.hthresh, tx_thresh.wthresh);
+
+ return 0;
+}