1604ce1e60
The flag ENABLE_MULTI_BUFFER_OPTIMIZE has been removed so the
related comments are now useless.
Fixes: 268888b5b0 ("examples/l3fwd: modularize")
Signed-off-by: Thomas Monjalon <thomas.monjalon@6wind.com>
292 lines
8.1 KiB
C
292 lines
8.1 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <sys/types.h>
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#include <string.h>
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#include <sys/queue.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <getopt.h>
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#include <stdbool.h>
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#include <rte_debug.h>
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#include <rte_ether.h>
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#include <rte_ethdev.h>
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#include <rte_ring.h>
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#include <rte_mempool.h>
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#include <rte_cycles.h>
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#include <rte_mbuf.h>
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#include <rte_ip.h>
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#include <rte_tcp.h>
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#include <rte_udp.h>
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#include <rte_lpm.h>
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#include <rte_lpm6.h>
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#include "l3fwd.h"
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struct ipv4_l3fwd_lpm_route {
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uint32_t ip;
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uint8_t depth;
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uint8_t if_out;
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};
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struct ipv6_l3fwd_lpm_route {
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uint8_t ip[16];
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uint8_t depth;
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uint8_t if_out;
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};
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static struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = {
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{IPv4(1, 1, 1, 0), 24, 0},
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{IPv4(2, 1, 1, 0), 24, 1},
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{IPv4(3, 1, 1, 0), 24, 2},
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{IPv4(4, 1, 1, 0), 24, 3},
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{IPv4(5, 1, 1, 0), 24, 4},
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{IPv4(6, 1, 1, 0), 24, 5},
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{IPv4(7, 1, 1, 0), 24, 6},
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{IPv4(8, 1, 1, 0), 24, 7},
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};
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static struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_route_array[] = {
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{{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 0},
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{{2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 1},
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{{3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 2},
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{{4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 3},
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{{5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 4},
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{{6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 5},
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{{7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 6},
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{{8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 7},
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};
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#define IPV4_L3FWD_LPM_NUM_ROUTES \
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(sizeof(ipv4_l3fwd_lpm_route_array) / sizeof(ipv4_l3fwd_lpm_route_array[0]))
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#define IPV6_L3FWD_LPM_NUM_ROUTES \
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(sizeof(ipv6_l3fwd_lpm_route_array) / sizeof(ipv6_l3fwd_lpm_route_array[0]))
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#define IPV4_L3FWD_LPM_MAX_RULES 1024
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#define IPV4_L3FWD_LPM_NUMBER_TBL8S (1 << 8)
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#define IPV6_L3FWD_LPM_MAX_RULES 1024
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#define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
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struct rte_lpm *ipv4_l3fwd_lpm_lookup_struct[NB_SOCKETS];
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struct rte_lpm6 *ipv6_l3fwd_lpm_lookup_struct[NB_SOCKETS];
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#if defined(__SSE4_1__)
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#include "l3fwd_lpm_sse.h"
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#else
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#include "l3fwd_lpm.h"
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#endif
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/* main processing loop */
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int
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lpm_main_loop(__attribute__((unused)) void *dummy)
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{
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struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
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unsigned lcore_id;
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uint64_t prev_tsc, diff_tsc, cur_tsc;
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int i, nb_rx;
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uint8_t portid, queueid;
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struct lcore_conf *qconf;
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const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
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US_PER_S * BURST_TX_DRAIN_US;
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prev_tsc = 0;
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lcore_id = rte_lcore_id();
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qconf = &lcore_conf[lcore_id];
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if (qconf->n_rx_queue == 0) {
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RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
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return 0;
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}
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RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
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for (i = 0; i < qconf->n_rx_queue; i++) {
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portid = qconf->rx_queue_list[i].port_id;
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queueid = qconf->rx_queue_list[i].queue_id;
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RTE_LOG(INFO, L3FWD,
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" -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
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lcore_id, portid, queueid);
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}
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while (!force_quit) {
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cur_tsc = rte_rdtsc();
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/*
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* TX burst queue drain
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*/
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diff_tsc = cur_tsc - prev_tsc;
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if (unlikely(diff_tsc > drain_tsc)) {
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for (i = 0; i < qconf->n_tx_port; ++i) {
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portid = qconf->tx_port_id[i];
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if (qconf->tx_mbufs[portid].len == 0)
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continue;
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send_burst(qconf,
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qconf->tx_mbufs[portid].len,
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portid);
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qconf->tx_mbufs[portid].len = 0;
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}
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prev_tsc = cur_tsc;
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}
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/*
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* Read packet from RX queues
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*/
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for (i = 0; i < qconf->n_rx_queue; ++i) {
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portid = qconf->rx_queue_list[i].port_id;
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queueid = qconf->rx_queue_list[i].queue_id;
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nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
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MAX_PKT_BURST);
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if (nb_rx == 0)
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continue;
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#if defined(__SSE4_1__)
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l3fwd_lpm_send_packets(nb_rx, pkts_burst,
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portid, qconf);
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#else
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l3fwd_lpm_no_opt_send_packets(nb_rx, pkts_burst,
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portid, qconf);
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#endif /* __SSE_4_1__ */
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}
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}
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return 0;
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}
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void
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setup_lpm(const int socketid)
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{
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struct rte_lpm6_config config;
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struct rte_lpm_config config_ipv4;
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unsigned i;
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int ret;
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char s[64];
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/* create the LPM table */
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config_ipv4.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
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config_ipv4.number_tbl8s = IPV4_L3FWD_LPM_NUMBER_TBL8S;
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config_ipv4.flags = 0;
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snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
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ipv4_l3fwd_lpm_lookup_struct[socketid] =
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rte_lpm_create(s, socketid, &config_ipv4);
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if (ipv4_l3fwd_lpm_lookup_struct[socketid] == NULL)
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rte_exit(EXIT_FAILURE,
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"Unable to create the l3fwd LPM table on socket %d\n",
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socketid);
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/* populate the LPM table */
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for (i = 0; i < IPV4_L3FWD_LPM_NUM_ROUTES; i++) {
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/* skip unused ports */
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if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out &
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enabled_port_mask) == 0)
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continue;
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ret = rte_lpm_add(ipv4_l3fwd_lpm_lookup_struct[socketid],
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ipv4_l3fwd_lpm_route_array[i].ip,
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ipv4_l3fwd_lpm_route_array[i].depth,
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ipv4_l3fwd_lpm_route_array[i].if_out);
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if (ret < 0) {
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rte_exit(EXIT_FAILURE,
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"Unable to add entry %u to the l3fwd LPM table on socket %d\n",
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i, socketid);
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}
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printf("LPM: Adding route 0x%08x / %d (%d)\n",
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(unsigned)ipv4_l3fwd_lpm_route_array[i].ip,
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ipv4_l3fwd_lpm_route_array[i].depth,
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ipv4_l3fwd_lpm_route_array[i].if_out);
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}
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/* create the LPM6 table */
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snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
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config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
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config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
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config.flags = 0;
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ipv6_l3fwd_lpm_lookup_struct[socketid] = rte_lpm6_create(s, socketid,
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&config);
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if (ipv6_l3fwd_lpm_lookup_struct[socketid] == NULL)
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rte_exit(EXIT_FAILURE,
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"Unable to create the l3fwd LPM table on socket %d\n",
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socketid);
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/* populate the LPM table */
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for (i = 0; i < IPV6_L3FWD_LPM_NUM_ROUTES; i++) {
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/* skip unused ports */
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if ((1 << ipv6_l3fwd_lpm_route_array[i].if_out &
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enabled_port_mask) == 0)
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continue;
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ret = rte_lpm6_add(ipv6_l3fwd_lpm_lookup_struct[socketid],
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ipv6_l3fwd_lpm_route_array[i].ip,
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ipv6_l3fwd_lpm_route_array[i].depth,
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ipv6_l3fwd_lpm_route_array[i].if_out);
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if (ret < 0) {
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rte_exit(EXIT_FAILURE,
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"Unable to add entry %u to the l3fwd LPM table on socket %d\n",
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i, socketid);
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}
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printf("LPM: Adding route %s / %d (%d)\n",
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"IPV6",
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ipv6_l3fwd_lpm_route_array[i].depth,
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ipv6_l3fwd_lpm_route_array[i].if_out);
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}
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}
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/* Return ipv4/ipv6 lpm fwd lookup struct. */
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void *
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lpm_get_ipv4_l3fwd_lookup_struct(const int socketid)
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{
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return ipv4_l3fwd_lpm_lookup_struct[socketid];
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}
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void *
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lpm_get_ipv6_l3fwd_lookup_struct(const int socketid)
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{
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return ipv6_l3fwd_lpm_lookup_struct[socketid];
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}
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