--- /dev/null
+/*-
+ * 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;
+}
Code Review / deb_dpdk.git / blobdiff