--- /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 <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <string.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <getopt.h>
+#include <stdbool.h>
+
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_cycles.h>
+#include <rte_mbuf.h>
+#include <rte_ip.h>
+#include <rte_tcp.h>
+#include <rte_udp.h>
+#include <rte_lpm.h>
+#include <rte_lpm6.h>
+
+#include "l3fwd.h"
+
+struct ipv4_l3fwd_lpm_route {
+ uint32_t ip;
+ uint8_t depth;
+ uint8_t if_out;
+};
+
+struct ipv6_l3fwd_lpm_route {
+ uint8_t ip[16];
+ uint8_t depth;
+ uint8_t if_out;
+};
+
+static struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = {
+ {IPv4(1, 1, 1, 0), 24, 0},
+ {IPv4(2, 1, 1, 0), 24, 1},
+ {IPv4(3, 1, 1, 0), 24, 2},
+ {IPv4(4, 1, 1, 0), 24, 3},
+ {IPv4(5, 1, 1, 0), 24, 4},
+ {IPv4(6, 1, 1, 0), 24, 5},
+ {IPv4(7, 1, 1, 0), 24, 6},
+ {IPv4(8, 1, 1, 0), 24, 7},
+};
+
+static struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_route_array[] = {
+ {{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 0},
+ {{2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 1},
+ {{3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 2},
+ {{4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 3},
+ {{5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 4},
+ {{6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 5},
+ {{7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 6},
+ {{8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 7},
+};
+
+#define IPV4_L3FWD_LPM_NUM_ROUTES \
+ (sizeof(ipv4_l3fwd_lpm_route_array) / sizeof(ipv4_l3fwd_lpm_route_array[0]))
+#define IPV6_L3FWD_LPM_NUM_ROUTES \
+ (sizeof(ipv6_l3fwd_lpm_route_array) / sizeof(ipv6_l3fwd_lpm_route_array[0]))
+
+#define IPV4_L3FWD_LPM_MAX_RULES 1024
+#define IPV4_L3FWD_LPM_NUMBER_TBL8S (1 << 8)
+#define IPV6_L3FWD_LPM_MAX_RULES 1024
+#define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
+
+struct rte_lpm *ipv4_l3fwd_lpm_lookup_struct[NB_SOCKETS];
+struct rte_lpm6 *ipv6_l3fwd_lpm_lookup_struct[NB_SOCKETS];
+
+#if defined(__SSE4_1__)
+#include "l3fwd_lpm_sse.h"
+#else
+#include "l3fwd_lpm.h"
+#endif
+
+/* main processing loop */
+int
+lpm_main_loop(__attribute__((unused)) void *dummy)
+{
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ unsigned lcore_id;
+ uint64_t prev_tsc, diff_tsc, cur_tsc;
+ int i, nb_rx;
+ uint8_t portid, queueid;
+ struct lcore_conf *qconf;
+ const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
+ US_PER_S * BURST_TX_DRAIN_US;
+
+ prev_tsc = 0;
+
+ lcore_id = rte_lcore_id();
+ qconf = &lcore_conf[lcore_id];
+
+ if (qconf->n_rx_queue == 0) {
+ RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
+ return 0;
+ }
+
+ RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
+
+ for (i = 0; i < qconf->n_rx_queue; i++) {
+
+ portid = qconf->rx_queue_list[i].port_id;
+ queueid = qconf->rx_queue_list[i].queue_id;
+ RTE_LOG(INFO, L3FWD,
+ " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
+ lcore_id, portid, queueid);
+ }
+
+ while (!force_quit) {
+
+ cur_tsc = rte_rdtsc();
+
+ /*
+ * TX burst queue drain
+ */
+ diff_tsc = cur_tsc - prev_tsc;
+ if (unlikely(diff_tsc > drain_tsc)) {
+
+ for (i = 0; i < qconf->n_tx_port; ++i) {
+ portid = qconf->tx_port_id[i];
+ if (qconf->tx_mbufs[portid].len == 0)
+ continue;
+ send_burst(qconf,
+ qconf->tx_mbufs[portid].len,
+ portid);
+ qconf->tx_mbufs[portid].len = 0;
+ }
+
+ prev_tsc = cur_tsc;
+ }
+
+ /*
+ * Read packet from RX queues
+ */
+ for (i = 0; i < qconf->n_rx_queue; ++i) {
+ portid = qconf->rx_queue_list[i].port_id;
+ queueid = qconf->rx_queue_list[i].queue_id;
+ nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+ MAX_PKT_BURST);
+ if (nb_rx == 0)
+ continue;
+
+#if defined(__SSE4_1__)
+ l3fwd_lpm_send_packets(nb_rx, pkts_burst,
+ portid, qconf);
+#else
+ l3fwd_lpm_no_opt_send_packets(nb_rx, pkts_burst,
+ portid, qconf);
+#endif /* __SSE_4_1__ */
+ }
+ }
+
+ return 0;
+}
+
+void
+setup_lpm(const int socketid)
+{
+ struct rte_lpm6_config config;
+ struct rte_lpm_config config_ipv4;
+ unsigned i;
+ int ret;
+ char s[64];
+
+ /* create the LPM table */
+ config_ipv4.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
+ config_ipv4.number_tbl8s = IPV4_L3FWD_LPM_NUMBER_TBL8S;
+ config_ipv4.flags = 0;
+ snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
+ ipv4_l3fwd_lpm_lookup_struct[socketid] =
+ rte_lpm_create(s, socketid, &config_ipv4);
+ if (ipv4_l3fwd_lpm_lookup_struct[socketid] == NULL)
+ rte_exit(EXIT_FAILURE,
+ "Unable to create the l3fwd LPM table on socket %d\n",
+ socketid);
+
+ /* populate the LPM table */
+ for (i = 0; i < IPV4_L3FWD_LPM_NUM_ROUTES; i++) {
+
+ /* skip unused ports */
+ if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out &
+ enabled_port_mask) == 0)
+ continue;
+
+ ret = rte_lpm_add(ipv4_l3fwd_lpm_lookup_struct[socketid],
+ ipv4_l3fwd_lpm_route_array[i].ip,
+ ipv4_l3fwd_lpm_route_array[i].depth,
+ ipv4_l3fwd_lpm_route_array[i].if_out);
+
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE,
+ "Unable to add entry %u to the l3fwd LPM table on socket %d\n",
+ i, socketid);
+ }
+
+ printf("LPM: Adding route 0x%08x / %d (%d)\n",
+ (unsigned)ipv4_l3fwd_lpm_route_array[i].ip,
+ ipv4_l3fwd_lpm_route_array[i].depth,
+ ipv4_l3fwd_lpm_route_array[i].if_out);
+ }
+
+ /* create the LPM6 table */
+ snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
+
+ config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
+ config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
+ config.flags = 0;
+ ipv6_l3fwd_lpm_lookup_struct[socketid] = rte_lpm6_create(s, socketid,
+ &config);
+ if (ipv6_l3fwd_lpm_lookup_struct[socketid] == NULL)
+ rte_exit(EXIT_FAILURE,
+ "Unable to create the l3fwd LPM table on socket %d\n",
+ socketid);
+
+ /* populate the LPM table */
+ for (i = 0; i < IPV6_L3FWD_LPM_NUM_ROUTES; i++) {
+
+ /* skip unused ports */
+ if ((1 << ipv6_l3fwd_lpm_route_array[i].if_out &
+ enabled_port_mask) == 0)
+ continue;
+
+ ret = rte_lpm6_add(ipv6_l3fwd_lpm_lookup_struct[socketid],
+ ipv6_l3fwd_lpm_route_array[i].ip,
+ ipv6_l3fwd_lpm_route_array[i].depth,
+ ipv6_l3fwd_lpm_route_array[i].if_out);
+
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE,
+ "Unable to add entry %u to the l3fwd LPM table on socket %d\n",
+ i, socketid);
+ }
+
+ printf("LPM: Adding route %s / %d (%d)\n",
+ "IPV6",
+ ipv6_l3fwd_lpm_route_array[i].depth,
+ ipv6_l3fwd_lpm_route_array[i].if_out);
+ }
+}
+
+int
+lpm_check_ptype(int portid)
+{
+ int i, ret;
+ int ptype_l3_ipv4 = 0, ptype_l3_ipv6 = 0;
+ uint32_t ptype_mask = RTE_PTYPE_L3_MASK;
+
+ ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, NULL, 0);
+ if (ret <= 0)
+ return 0;
+
+ uint32_t ptypes[ret];
+
+ ret = rte_eth_dev_get_supported_ptypes(portid, ptype_mask, ptypes, ret);
+ for (i = 0; i < ret; ++i) {
+ if (ptypes[i] & RTE_PTYPE_L3_IPV4)
+ ptype_l3_ipv4 = 1;
+ if (ptypes[i] & RTE_PTYPE_L3_IPV6)
+ ptype_l3_ipv6 = 1;
+ }
+
+ if (ptype_l3_ipv4 == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV4\n", portid);
+
+ if (ptype_l3_ipv6 == 0)
+ printf("port %d cannot parse RTE_PTYPE_L3_IPV6\n", portid);
+
+ if (ptype_l3_ipv4 && ptype_l3_ipv6)
+ return 1;
+
+ return 0;
+
+}
+
+static inline void
+lpm_parse_ptype(struct rte_mbuf *m)
+{
+ struct ether_hdr *eth_hdr;
+ uint32_t packet_type = RTE_PTYPE_UNKNOWN;
+ uint16_t ether_type;
+
+ eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+ ether_type = eth_hdr->ether_type;
+ if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
+ packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
+ else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
+ packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
+
+ m->packet_type = packet_type;
+}
+
+uint16_t
+lpm_cb_parse_ptype(uint8_t port __rte_unused, uint16_t queue __rte_unused,
+ struct rte_mbuf *pkts[], uint16_t nb_pkts,
+ uint16_t max_pkts __rte_unused,
+ void *user_param __rte_unused)
+{
+ unsigned i;
+
+ for (i = 0; i < nb_pkts; ++i)
+ lpm_parse_ptype(pkts[i]);
+
+ return nb_pkts;
+}
+
+/* Return ipv4/ipv6 lpm fwd lookup struct. */
+void *
+lpm_get_ipv4_l3fwd_lookup_struct(const int socketid)
+{
+ return ipv4_l3fwd_lpm_lookup_struct[socketid];
+}
+
+void *
+lpm_get_ipv6_l3fwd_lookup_struct(const int socketid)
+{
+ return ipv6_l3fwd_lpm_lookup_struct[socketid];
+}
Code Review / deb_dpdk.git / blobdiff