X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=examples%2Fqos_meter%2Fmain.c;fp=examples%2Fqos_meter%2Fmain.c;h=b968b0012e75ec4899a22aea037651be171dd348;hb=97f17497d162afdb82c8704bf097f0fee3724b2e;hp=0000000000000000000000000000000000000000;hpb=e04be89c2409570e0055b2cda60bd11395bb93b0;p=deb_dpdk.git

diff --git a/examples/qos_meter/main.c b/examples/qos_meter/main.c
new file mode 100644
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+++ b/examples/qos_meter/main.c
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+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 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 <stdio.h>
+#include <getopt.h>
+
+#include <rte_common.h>
+#include <rte_eal.h>
+#include <rte_malloc.h>
+#include <rte_mempool.h>
+#include <rte_ethdev.h>
+#include <rte_cycles.h>
+#include <rte_mbuf.h>
+#include <rte_meter.h>
+
+/*
+ * Traffic metering configuration
+ *
+ */
+#define APP_MODE_FWD                    0
+#define APP_MODE_SRTCM_COLOR_BLIND      1
+#define APP_MODE_SRTCM_COLOR_AWARE      2
+#define APP_MODE_TRTCM_COLOR_BLIND      3
+#define APP_MODE_TRTCM_COLOR_AWARE      4
+
+#define APP_MODE	APP_MODE_SRTCM_COLOR_BLIND
+
+
+#include "main.h"
+
+
+#define APP_PKT_FLOW_POS                33
+#define APP_PKT_COLOR_POS               5
+
+
+#if APP_PKT_FLOW_POS > 64 || APP_PKT_COLOR_POS > 64
+#error Byte offset needs to be less than 64
+#endif
+
+/*
+ * Buffer pool configuration
+ *
+ ***/
+#define NB_MBUF             8192
+#define MEMPOOL_CACHE_SIZE  256
+
+static struct rte_mempool *pool = NULL;
+
+/*
+ * NIC configuration
+ *
+ ***/
+static struct rte_eth_conf port_conf = {
+	.rxmode = {
+		.mq_mode	= ETH_MQ_RX_RSS,
+		.max_rx_pkt_len = ETHER_MAX_LEN,
+		.split_hdr_size = 0,
+		.header_split   = 0,
+		.hw_ip_checksum = 1,
+		.hw_vlan_filter = 0,
+		.jumbo_frame    = 0,
+		.hw_strip_crc   = 0,
+	},
+	.rx_adv_conf = {
+		.rss_conf = {
+			.rss_key = NULL,
+			.rss_hf = ETH_RSS_IP,
+		},
+	},
+	.txmode = {
+		.mq_mode = ETH_DCB_NONE,
+	},
+};
+
+#define NIC_RX_QUEUE_DESC               128
+#define NIC_TX_QUEUE_DESC               512
+
+#define NIC_RX_QUEUE                    0
+#define NIC_TX_QUEUE                    0
+
+/*
+ * Packet RX/TX
+ *
+ ***/
+#define PKT_RX_BURST_MAX                32
+#define PKT_TX_BURST_MAX                32
+#define TIME_TX_DRAIN                   200000ULL
+
+static uint8_t port_rx;
+static uint8_t port_tx;
+static struct rte_mbuf *pkts_rx[PKT_RX_BURST_MAX];
+struct rte_eth_dev_tx_buffer *tx_buffer;
+
+struct rte_meter_srtcm_params app_srtcm_params[] = {
+	{.cir = 1000000 * 46,  .cbs = 2048, .ebs = 2048},
+};
+
+struct rte_meter_trtcm_params app_trtcm_params[] = {
+	{.cir = 1000000 * 46,  .pir = 1500000 * 46,  .cbs = 2048, .pbs = 2048},
+};
+
+#define APP_FLOWS_MAX  256
+
+FLOW_METER app_flows[APP_FLOWS_MAX];
+
+static void
+app_configure_flow_table(void)
+{
+	uint32_t i, j;
+
+	for (i = 0, j = 0; i < APP_FLOWS_MAX; i ++, j = (j + 1) % RTE_DIM(PARAMS)){
+		FUNC_CONFIG(&app_flows[i], &PARAMS[j]);
+	}
+}
+
+static inline void
+app_set_pkt_color(uint8_t *pkt_data, enum policer_action color)
+{
+	pkt_data[APP_PKT_COLOR_POS] = (uint8_t)color;
+}
+
+static inline int
+app_pkt_handle(struct rte_mbuf *pkt, uint64_t time)
+{
+	uint8_t input_color, output_color;
+	uint8_t *pkt_data = rte_pktmbuf_mtod(pkt, uint8_t *);
+	uint32_t pkt_len = rte_pktmbuf_pkt_len(pkt) - sizeof(struct ether_hdr);
+	uint8_t flow_id = (uint8_t)(pkt_data[APP_PKT_FLOW_POS] & (APP_FLOWS_MAX - 1));
+	input_color = pkt_data[APP_PKT_COLOR_POS];
+	enum policer_action action;
+
+	/* color input is not used for blind modes */
+	output_color = (uint8_t) FUNC_METER(&app_flows[flow_id], time, pkt_len,
+		(enum rte_meter_color) input_color);
+
+	/* Apply policing and set the output color */
+	action = policer_table[input_color][output_color];
+	app_set_pkt_color(pkt_data, action);
+
+	return action;
+}
+
+
+static __attribute__((noreturn)) int
+main_loop(__attribute__((unused)) void *dummy)
+{
+	uint64_t current_time, last_time = rte_rdtsc();
+	uint32_t lcore_id = rte_lcore_id();
+
+	printf("Core %u: port RX = %d, port TX = %d\n", lcore_id, port_rx, port_tx);
+
+	while (1) {
+		uint64_t time_diff;
+		int i, nb_rx;
+
+		/* Mechanism to avoid stale packets in the output buffer */
+		current_time = rte_rdtsc();
+		time_diff = current_time - last_time;
+		if (unlikely(time_diff > TIME_TX_DRAIN)) {
+			/* Flush tx buffer */
+			rte_eth_tx_buffer_flush(port_tx, NIC_TX_QUEUE, tx_buffer);
+			last_time = current_time;
+		}
+
+		/* Read packet burst from NIC RX */
+		nb_rx = rte_eth_rx_burst(port_rx, NIC_RX_QUEUE, pkts_rx, PKT_RX_BURST_MAX);
+
+		/* Handle packets */
+		for (i = 0; i < nb_rx; i ++) {
+			struct rte_mbuf *pkt = pkts_rx[i];
+
+			/* Handle current packet */
+			if (app_pkt_handle(pkt, current_time) == DROP)
+				rte_pktmbuf_free(pkt);
+			else
+				rte_eth_tx_buffer(port_tx, NIC_TX_QUEUE, tx_buffer, pkt);
+		}
+	}
+}
+
+static void
+print_usage(const char *prgname)
+{
+	printf ("%s [EAL options] -- -p PORTMASK\n"
+		"  -p PORTMASK: hexadecimal bitmask of ports to configure\n",
+		prgname);
+}
+
+static int
+parse_portmask(const char *portmask)
+{
+	char *end = NULL;
+	unsigned long pm;
+
+	/* parse hexadecimal string */
+	pm = strtoul(portmask, &end, 16);
+	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
+		return -1;
+
+	if (pm == 0)
+		return -1;
+
+	return pm;
+}
+
+/* Parse the argument given in the command line of the application */
+static int
+parse_args(int argc, char **argv)
+{
+	int opt;
+	char **argvopt;
+	int option_index;
+	char *prgname = argv[0];
+	static struct option lgopts[] = {
+		{NULL, 0, 0, 0}
+	};
+	uint64_t port_mask, i, mask;
+
+	argvopt = argv;
+
+	while ((opt = getopt_long(argc, argvopt, "p:", lgopts, &option_index)) != EOF) {
+		switch (opt) {
+		case 'p':
+			port_mask = parse_portmask(optarg);
+			if (port_mask == 0) {
+				printf("invalid port mask (null port mask)\n");
+				print_usage(prgname);
+				return -1;
+			}
+
+			for (i = 0, mask = 1; i < 64; i ++, mask <<= 1){
+				if (mask & port_mask){
+					port_rx = i;
+					port_mask &= ~ mask;
+					break;
+				}
+			}
+
+			for (i = 0, mask = 1; i < 64; i ++, mask <<= 1){
+				if (mask & port_mask){
+					port_tx = i;
+					port_mask &= ~ mask;
+					break;
+				}
+			}
+
+			if (port_mask != 0) {
+				printf("invalid port mask (more than 2 ports)\n");
+				print_usage(prgname);
+				return -1;
+			}
+			break;
+
+		default:
+			print_usage(prgname);
+			return -1;
+		}
+	}
+
+	if (optind <= 1) {
+		print_usage(prgname);
+		return -1;
+	}
+
+	argv[optind-1] = prgname;
+
+	optind = 0; /* reset getopt lib */
+	return 0;
+}
+
+int
+main(int argc, char **argv)
+{
+	uint32_t lcore_id;
+	int ret;
+
+	/* EAL init */
+	ret = rte_eal_init(argc, argv);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
+	argc -= ret;
+	argv += ret;
+	if (rte_lcore_count() != 1) {
+		rte_exit(EXIT_FAILURE, "This application does not accept more than one core. "
+		"Please adjust the \"-c COREMASK\" parameter accordingly.\n");
+	}
+
+	/* Application non-EAL arguments parse */
+	ret = parse_args(argc, argv);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Invalid input arguments\n");
+
+	/* Buffer pool init */
+	pool = rte_pktmbuf_pool_create("pool", NB_MBUF, MEMPOOL_CACHE_SIZE,
+		0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
+	if (pool == NULL)
+		rte_exit(EXIT_FAILURE, "Buffer pool creation error\n");
+
+	/* NIC init */
+	ret = rte_eth_dev_configure(port_rx, 1, 1, &port_conf);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Port %d configuration error (%d)\n", port_rx, ret);
+
+	ret = rte_eth_rx_queue_setup(port_rx, NIC_RX_QUEUE, NIC_RX_QUEUE_DESC,
+				rte_eth_dev_socket_id(port_rx),
+				NULL, pool);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Port %d RX queue setup error (%d)\n", port_rx, ret);
+
+	ret = rte_eth_tx_queue_setup(port_rx, NIC_TX_QUEUE, NIC_TX_QUEUE_DESC,
+				rte_eth_dev_socket_id(port_rx),
+				NULL);
+	if (ret < 0)
+	rte_exit(EXIT_FAILURE, "Port %d TX queue setup error (%d)\n", port_rx, ret);
+
+	ret = rte_eth_dev_configure(port_tx, 1, 1, &port_conf);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Port %d configuration error (%d)\n", port_tx, ret);
+
+	ret = rte_eth_rx_queue_setup(port_tx, NIC_RX_QUEUE, NIC_RX_QUEUE_DESC,
+				rte_eth_dev_socket_id(port_tx),
+				NULL, pool);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Port %d RX queue setup error (%d)\n", port_tx, ret);
+
+	ret = rte_eth_tx_queue_setup(port_tx, NIC_TX_QUEUE, NIC_TX_QUEUE_DESC,
+				rte_eth_dev_socket_id(port_tx),
+				NULL);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Port %d TX queue setup error (%d)\n", port_tx, ret);
+
+	tx_buffer = rte_zmalloc_socket("tx_buffer",
+			RTE_ETH_TX_BUFFER_SIZE(PKT_TX_BURST_MAX), 0,
+			rte_eth_dev_socket_id(port_tx));
+	if (tx_buffer == NULL)
+		rte_exit(EXIT_FAILURE, "Port %d TX buffer allocation error\n",
+				port_tx);
+
+	rte_eth_tx_buffer_init(tx_buffer, PKT_TX_BURST_MAX);
+
+	ret = rte_eth_dev_start(port_rx);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Port %d start error (%d)\n", port_rx, ret);
+
+	ret = rte_eth_dev_start(port_tx);
+	if (ret < 0)
+		rte_exit(EXIT_FAILURE, "Port %d start error (%d)\n", port_tx, ret);
+
+	rte_eth_promiscuous_enable(port_rx);
+
+	rte_eth_promiscuous_enable(port_tx);
+
+	/* App configuration */
+	app_configure_flow_table();
+
+	/* Launch per-lcore init on every lcore */
+	rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
+	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+		if (rte_eal_wait_lcore(lcore_id) < 0)
+			return -1;
+	}
+
+	return 0;
+}