-/*-
- * BSD LICENSE
- *
- * Copyright 2017 Mellanox.
- *
- * 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 Mellanox. 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 Mellanox Technologies, Ltd
*/
#include <stdio.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/queue.h>
-#include <netinet/in.h>
#include <setjmp.h>
#include <stdarg.h>
#include <ctype.h>
#include <rte_mbuf.h>
#include <rte_net.h>
#include <rte_flow.h>
+#include <rte_cycles.h>
static volatile bool force_quit;
#include "flow_blocks.c"
static inline void
-print_ether_addr(const char *what, struct ether_addr *eth_addr)
+print_ether_addr(const char *what, struct rte_ether_addr *eth_addr)
{
- char buf[ETHER_ADDR_FMT_SIZE];
- ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+ char buf[RTE_ETHER_ADDR_FMT_SIZE];
+ rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
printf("%s%s", what, buf);
}
-static void
+/* Main_loop for flow filtering. 8< */
+static int
main_loop(void)
{
struct rte_mbuf *mbufs[32];
- struct ether_hdr *eth_hdr;
+ struct rte_ether_hdr *eth_hdr;
struct rte_flow_error error;
uint16_t nb_rx;
uint16_t i;
uint16_t j;
+ int ret;
+ /* Reading the packets from all queues. 8< */
while (!force_quit) {
for (i = 0; i < nr_queues; i++) {
nb_rx = rte_eth_rx_burst(port_id,
struct rte_mbuf *m = mbufs[j];
eth_hdr = rte_pktmbuf_mtod(m,
- struct ether_hdr *);
+ struct rte_ether_hdr *);
print_ether_addr("src=",
- ð_hdr->s_addr);
+ ð_hdr->src_addr);
print_ether_addr(" - dst=",
- ð_hdr->d_addr);
+ ð_hdr->dst_addr);
printf(" - queue=0x%x",
(unsigned int)i);
printf("\n");
}
}
}
+ /* >8 End of reading the packets from all queues. */
/* closing and releasing resources */
rte_flow_flush(port_id, &error);
- rte_eth_dev_stop(port_id);
+ ret = rte_eth_dev_stop(port_id);
+ if (ret < 0)
+ printf("Failed to stop port %u: %s",
+ port_id, rte_strerror(-ret));
rte_eth_dev_close(port_id);
+ return ret;
}
+/* >8 End of main_loop for flow filtering. */
+
+#define CHECK_INTERVAL 1000 /* 100ms */
+#define MAX_REPEAT_TIMES 90 /* 9s (90 * 100ms) in total */
static void
assert_link_status(void)
{
struct rte_eth_link link;
+ uint8_t rep_cnt = MAX_REPEAT_TIMES;
+ int link_get_err = -EINVAL;
memset(&link, 0, sizeof(link));
- rte_eth_link_get(port_id, &link);
- if (link.link_status == ETH_LINK_DOWN)
+ do {
+ link_get_err = rte_eth_link_get(port_id, &link);
+ if (link_get_err == 0 && link.link_status == RTE_ETH_LINK_UP)
+ break;
+ rte_delay_ms(CHECK_INTERVAL);
+ } while (--rep_cnt);
+
+ if (link_get_err < 0)
+ rte_exit(EXIT_FAILURE, ":: error: link get is failing: %s\n",
+ rte_strerror(-link_get_err));
+ if (link.link_status == RTE_ETH_LINK_DOWN)
rte_exit(EXIT_FAILURE, ":: error: link is still down\n");
}
+/* Port initialization used in flow filtering. 8< */
static void
init_port(void)
{
int ret;
uint16_t i;
+ /* Ethernet port configured with default settings. 8< */
struct rte_eth_conf port_conf = {
.rxmode = {
.split_hdr_size = 0,
- .ignore_offload_bitfield = 1,
- .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
},
.txmode = {
.offloads =
- DEV_TX_OFFLOAD_VLAN_INSERT |
- DEV_TX_OFFLOAD_IPV4_CKSUM |
- DEV_TX_OFFLOAD_UDP_CKSUM |
- DEV_TX_OFFLOAD_TCP_CKSUM |
- DEV_TX_OFFLOAD_SCTP_CKSUM |
- DEV_TX_OFFLOAD_TCP_TSO,
+ RTE_ETH_TX_OFFLOAD_VLAN_INSERT |
+ RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |
+ RTE_ETH_TX_OFFLOAD_UDP_CKSUM |
+ RTE_ETH_TX_OFFLOAD_TCP_CKSUM |
+ RTE_ETH_TX_OFFLOAD_SCTP_CKSUM |
+ RTE_ETH_TX_OFFLOAD_TCP_TSO,
},
};
struct rte_eth_txconf txq_conf;
struct rte_eth_rxconf rxq_conf;
struct rte_eth_dev_info dev_info;
+ ret = rte_eth_dev_info_get(port_id, &dev_info);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Error during getting device (port %u) info: %s\n",
+ port_id, strerror(-ret));
+
+ port_conf.txmode.offloads &= dev_info.tx_offload_capa;
printf(":: initializing port: %d\n", port_id);
ret = rte_eth_dev_configure(port_id,
nr_queues, nr_queues, &port_conf);
ret, port_id);
}
- rte_eth_dev_info_get(port_id, &dev_info);
rxq_conf = dev_info.default_rxconf;
rxq_conf.offloads = port_conf.rxmode.offloads;
- /* only set Rx queues: something we care only so far */
+ /* >8 End of ethernet port configured with default settings. */
+
+ /* Configuring number of RX and TX queues connected to single port. 8< */
for (i = 0; i < nr_queues; i++) {
ret = rte_eth_rx_queue_setup(port_id, i, 512,
rte_eth_dev_socket_id(port_id),
ret, port_id);
}
}
+ /* >8 End of Configuring RX and TX queues connected to single port. */
- rte_eth_promiscuous_enable(port_id);
+ /* Setting the RX port to promiscuous mode. 8< */
+ ret = rte_eth_promiscuous_enable(port_id);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ ":: promiscuous mode enable failed: err=%s, port=%u\n",
+ rte_strerror(-ret), port_id);
+ /* >8 End of setting the RX port to promiscuous mode. */
+
+ /* Starting the port. 8< */
ret = rte_eth_dev_start(port_id);
if (ret < 0) {
rte_exit(EXIT_FAILURE,
"rte_eth_dev_start:err=%d, port=%u\n",
ret, port_id);
}
+ /* >8 End of starting the port. */
assert_link_status();
printf(":: initializing port: %d done\n", port_id);
}
+/* >8 End of Port initialization used in flow filtering. */
static void
signal_handler(int signum)
main(int argc, char **argv)
{
int ret;
- uint8_t nr_ports;
+ uint16_t nr_ports;
struct rte_flow_error error;
+ /* Initialize EAL. 8< */
ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_exit(EXIT_FAILURE, ":: invalid EAL arguments\n");
+ /* >8 End of Initialization of EAL. */
force_quit = false;
signal(SIGINT, signal_handler);
signal(SIGTERM, signal_handler);
- nr_ports = rte_eth_dev_count();
+ nr_ports = rte_eth_dev_count_avail();
if (nr_ports == 0)
rte_exit(EXIT_FAILURE, ":: no Ethernet ports found\n");
port_id = 0;
printf(":: warn: %d ports detected, but we use only one: port %u\n",
nr_ports, port_id);
}
+ /* Allocates a mempool to hold the mbufs. 8< */
mbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", 4096, 128, 0,
RTE_MBUF_DEFAULT_BUF_SIZE,
rte_socket_id());
+ /* >8 End of allocating a mempool to hold the mbufs. */
if (mbuf_pool == NULL)
rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
+ /* Initializes all the ports using the user defined init_port(). 8< */
init_port();
+ /* >8 End of Initializing the ports using user defined init_port(). */
- /* create flow for send packet with */
+ /* Create flow for send packet with. 8< */
flow = generate_ipv4_flow(port_id, selected_queue,
SRC_IP, EMPTY_MASK,
DEST_IP, FULL_MASK, &error);
+ /* >8 End of create flow and the flow rule. */
if (!flow) {
printf("Flow can't be created %d message: %s\n",
error.type,
error.message ? error.message : "(no stated reason)");
rte_exit(EXIT_FAILURE, "error in creating flow");
}
+ /* >8 End of creating flow for send packet with. */
+
+ /* Launching main_loop(). 8< */
+ ret = main_loop();
+ /* >8 End of launching main_loop(). */
- main_loop();
+ /* clean up the EAL */
+ rte_eal_cleanup();
- return 0;
+ return ret;
}