Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 370 insertions, 0 deletions

diff --git a/src/seastar/dpdk/examples/qos_sched/init.c b/src/seastar/dpdk/examples/qos_sched/init.c
new file mode 100644
index 00000000..fe0221c6
--- /dev/null
+++ b/src/seastar/dpdk/examples/qos_sched/init.c
@@ -0,0 +1,370 @@
+/*-
+ *   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   = 1, /**< 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;
+}