--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 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 <sys/param.h>
+#include <string.h>
+#include <sys/queue.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <getopt.h>
+
+#include <rte_common.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_memory.h>
+#include <rte_memcpy.h>
+#include <rte_memzone.h>
+#include <rte_eal.h>
+#include <rte_per_lcore.h>
+#include <rte_launch.h>
+#include <rte_atomic.h>
+#include <rte_cycles.h>
+#include <rte_prefetch.h>
+#include <rte_lcore.h>
+#include <rte_per_lcore.h>
+#include <rte_branch_prediction.h>
+#include <rte_interrupts.h>
+#include <rte_pci.h>
+#include <rte_random.h>
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_ring.h>
+#include <rte_mempool.h>
+#include <rte_mbuf.h>
+#include <rte_lpm.h>
+#include <rte_lpm6.h>
+#include <rte_ip.h>
+#include <rte_string_fns.h>
+
+#include <rte_ip_frag.h>
+
+#define RTE_LOGTYPE_IP_FRAG RTE_LOGTYPE_USER1
+
+/* allow max jumbo frame 9.5 KB */
+#define JUMBO_FRAME_MAX_SIZE 0x2600
+
+#define ROUNDUP_DIV(a, b) (((a) + (b) - 1) / (b))
+
+/*
+ * Default byte size for the IPv6 Maximum Transfer Unit (MTU).
+ * This value includes the size of IPv6 header.
+ */
+#define IPV4_MTU_DEFAULT ETHER_MTU
+#define IPV6_MTU_DEFAULT ETHER_MTU
+
+/*
+ * Default payload in bytes for the IPv6 packet.
+ */
+#define IPV4_DEFAULT_PAYLOAD (IPV4_MTU_DEFAULT - sizeof(struct ipv4_hdr))
+#define IPV6_DEFAULT_PAYLOAD (IPV6_MTU_DEFAULT - sizeof(struct ipv6_hdr))
+
+/*
+ * Max number of fragments per packet expected - defined by config file.
+ */
+#define MAX_PACKET_FRAG RTE_LIBRTE_IP_FRAG_MAX_FRAG
+
+#define NB_MBUF 8192
+
+#define MAX_PKT_BURST 32
+#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
+
+/* Configure how many packets ahead to prefetch, when reading packets */
+#define PREFETCH_OFFSET 3
+
+/*
+ * Configurable number of RX/TX ring descriptors
+ */
+#define RTE_TEST_RX_DESC_DEFAULT 128
+#define RTE_TEST_TX_DESC_DEFAULT 512
+static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
+static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
+
+/* ethernet addresses of ports */
+static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+
+#ifndef IPv4_BYTES
+#define IPv4_BYTES_FMT "%" PRIu8 ".%" PRIu8 ".%" PRIu8 ".%" PRIu8
+#define IPv4_BYTES(addr) \
+ (uint8_t) (((addr) >> 24) & 0xFF),\
+ (uint8_t) (((addr) >> 16) & 0xFF),\
+ (uint8_t) (((addr) >> 8) & 0xFF),\
+ (uint8_t) ((addr) & 0xFF)
+#endif
+
+#ifndef IPv6_BYTES
+#define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
+ "%02x%02x:%02x%02x:%02x%02x:%02x%02x"
+#define IPv6_BYTES(addr) \
+ addr[0], addr[1], addr[2], addr[3], \
+ addr[4], addr[5], addr[6], addr[7], \
+ addr[8], addr[9], addr[10], addr[11],\
+ addr[12], addr[13],addr[14], addr[15]
+#endif
+
+#define IPV6_ADDR_LEN 16
+
+/* mask of enabled ports */
+static int enabled_port_mask = 0;
+
+static int rx_queue_per_lcore = 1;
+
+#define MBUF_TABLE_SIZE (2 * MAX(MAX_PKT_BURST, MAX_PACKET_FRAG))
+
+struct mbuf_table {
+ uint16_t len;
+ struct rte_mbuf *m_table[MBUF_TABLE_SIZE];
+};
+
+struct rx_queue {
+ struct rte_mempool *direct_pool;
+ struct rte_mempool *indirect_pool;
+ struct rte_lpm *lpm;
+ struct rte_lpm6 *lpm6;
+ uint8_t portid;
+};
+
+#define MAX_RX_QUEUE_PER_LCORE 16
+#define MAX_TX_QUEUE_PER_PORT 16
+struct lcore_queue_conf {
+ uint16_t n_rx_queue;
+ uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
+ struct rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
+ struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
+} __rte_cache_aligned;
+struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
+
+static const struct rte_eth_conf port_conf = {
+ .rxmode = {
+ .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
+ .split_hdr_size = 0,
+ .header_split = 0, /**< Header Split disabled */
+ .hw_ip_checksum = 1, /**< IP checksum offload enabled */
+ .hw_vlan_filter = 0, /**< VLAN filtering disabled */
+ .jumbo_frame = 1, /**< Jumbo Frame Support enabled */
+ .hw_strip_crc = 0, /**< CRC stripped by hardware */
+ },
+ .txmode = {
+ .mq_mode = ETH_MQ_TX_NONE,
+ },
+};
+
+/*
+ * IPv4 forwarding table
+ */
+struct l3fwd_ipv4_route {
+ uint32_t ip;
+ uint8_t depth;
+ uint8_t if_out;
+};
+
+struct l3fwd_ipv4_route l3fwd_ipv4_route_array[] = {
+ {IPv4(100,10,0,0), 16, 0},
+ {IPv4(100,20,0,0), 16, 1},
+ {IPv4(100,30,0,0), 16, 2},
+ {IPv4(100,40,0,0), 16, 3},
+ {IPv4(100,50,0,0), 16, 4},
+ {IPv4(100,60,0,0), 16, 5},
+ {IPv4(100,70,0,0), 16, 6},
+ {IPv4(100,80,0,0), 16, 7},
+};
+
+/*
+ * IPv6 forwarding table
+ */
+
+struct l3fwd_ipv6_route {
+ uint8_t ip[IPV6_ADDR_LEN];
+ uint8_t depth;
+ uint8_t if_out;
+};
+
+static struct l3fwd_ipv6_route l3fwd_ipv6_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 LPM_MAX_RULES 1024
+#define LPM6_MAX_RULES 1024
+#define LPM6_NUMBER_TBL8S (1 << 16)
+
+struct rte_lpm6_config lpm6_config = {
+ .max_rules = LPM6_MAX_RULES,
+ .number_tbl8s = LPM6_NUMBER_TBL8S,
+ .flags = 0
+};
+
+static struct rte_mempool *socket_direct_pool[RTE_MAX_NUMA_NODES];
+static struct rte_mempool *socket_indirect_pool[RTE_MAX_NUMA_NODES];
+static struct rte_lpm *socket_lpm[RTE_MAX_NUMA_NODES];
+static struct rte_lpm6 *socket_lpm6[RTE_MAX_NUMA_NODES];
+
+/* Send burst of packets on an output interface */
+static inline int
+send_burst(struct lcore_queue_conf *qconf, uint16_t n, uint8_t port)
+{
+ struct rte_mbuf **m_table;
+ int ret;
+ uint16_t queueid;
+
+ queueid = qconf->tx_queue_id[port];
+ m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
+
+ ret = rte_eth_tx_burst(port, queueid, m_table, n);
+ if (unlikely(ret < n)) {
+ do {
+ rte_pktmbuf_free(m_table[ret]);
+ } while (++ret < n);
+ }
+
+ return 0;
+}
+
+static inline void
+l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf,
+ uint8_t queueid, uint8_t port_in)
+{
+ struct rx_queue *rxq;
+ uint32_t i, len, next_hop_ipv4;
+ uint8_t next_hop_ipv6, port_out, ipv6;
+ int32_t len2;
+
+ ipv6 = 0;
+ rxq = &qconf->rx_queue_list[queueid];
+
+ /* by default, send everything back to the source port */
+ port_out = port_in;
+
+ /* Remove the Ethernet header and trailer from the input packet */
+ rte_pktmbuf_adj(m, (uint16_t)sizeof(struct ether_hdr));
+
+ /* Build transmission burst */
+ len = qconf->tx_mbufs[port_out].len;
+
+ /* if this is an IPv4 packet */
+ if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
+ struct ipv4_hdr *ip_hdr;
+ uint32_t ip_dst;
+ /* Read the lookup key (i.e. ip_dst) from the input packet */
+ ip_hdr = rte_pktmbuf_mtod(m, struct ipv4_hdr *);
+ ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr);
+
+ /* Find destination port */
+ if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop_ipv4) == 0 &&
+ (enabled_port_mask & 1 << next_hop_ipv4) != 0) {
+ port_out = next_hop_ipv4;
+
+ /* Build transmission burst for new port */
+ len = qconf->tx_mbufs[port_out].len;
+ }
+
+ /* if we don't need to do any fragmentation */
+ if (likely (IPV4_MTU_DEFAULT >= m->pkt_len)) {
+ qconf->tx_mbufs[port_out].m_table[len] = m;
+ len2 = 1;
+ } else {
+ len2 = rte_ipv4_fragment_packet(m,
+ &qconf->tx_mbufs[port_out].m_table[len],
+ (uint16_t)(MBUF_TABLE_SIZE - len),
+ IPV4_MTU_DEFAULT,
+ rxq->direct_pool, rxq->indirect_pool);
+
+ /* Free input packet */
+ rte_pktmbuf_free(m);
+
+ /* If we fail to fragment the packet */
+ if (unlikely (len2 < 0))
+ return;
+ }
+ } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
+ /* if this is an IPv6 packet */
+ struct ipv6_hdr *ip_hdr;
+
+ ipv6 = 1;
+
+ /* Read the lookup key (i.e. ip_dst) from the input packet */
+ ip_hdr = rte_pktmbuf_mtod(m, struct ipv6_hdr *);
+
+ /* Find destination port */
+ if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr, &next_hop_ipv6) == 0 &&
+ (enabled_port_mask & 1 << next_hop_ipv6) != 0) {
+ port_out = next_hop_ipv6;
+
+ /* Build transmission burst for new port */
+ len = qconf->tx_mbufs[port_out].len;
+ }
+
+ /* if we don't need to do any fragmentation */
+ if (likely (IPV6_MTU_DEFAULT >= m->pkt_len)) {
+ qconf->tx_mbufs[port_out].m_table[len] = m;
+ len2 = 1;
+ } else {
+ len2 = rte_ipv6_fragment_packet(m,
+ &qconf->tx_mbufs[port_out].m_table[len],
+ (uint16_t)(MBUF_TABLE_SIZE - len),
+ IPV6_MTU_DEFAULT,
+ rxq->direct_pool, rxq->indirect_pool);
+
+ /* Free input packet */
+ rte_pktmbuf_free(m);
+
+ /* If we fail to fragment the packet */
+ if (unlikely (len2 < 0))
+ return;
+ }
+ }
+ /* else, just forward the packet */
+ else {
+ qconf->tx_mbufs[port_out].m_table[len] = m;
+ len2 = 1;
+ }
+
+ for (i = len; i < len + len2; i ++) {
+ void *d_addr_bytes;
+
+ m = qconf->tx_mbufs[port_out].m_table[i];
+ struct ether_hdr *eth_hdr = (struct ether_hdr *)
+ rte_pktmbuf_prepend(m, (uint16_t)sizeof(struct ether_hdr));
+ if (eth_hdr == NULL) {
+ rte_panic("No headroom in mbuf.\n");
+ }
+
+ m->l2_len = sizeof(struct ether_hdr);
+
+ /* 02:00:00:00:00:xx */
+ d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
+ *((uint64_t *)d_addr_bytes) = 0x000000000002 + ((uint64_t)port_out << 40);
+
+ /* src addr */
+ ether_addr_copy(&ports_eth_addr[port_out], ð_hdr->s_addr);
+ if (ipv6)
+ eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv6);
+ else
+ eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv4);
+ }
+
+ len += len2;
+
+ if (likely(len < MAX_PKT_BURST)) {
+ qconf->tx_mbufs[port_out].len = (uint16_t)len;
+ return;
+ }
+
+ /* Transmit packets */
+ send_burst(qconf, (uint16_t)len, port_out);
+ qconf->tx_mbufs[port_out].len = 0;
+}
+
+/* main processing loop */
+static int
+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, j, nb_rx;
+ uint8_t portid;
+ struct lcore_queue_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_queue_conf[lcore_id];
+
+ if (qconf->n_rx_queue == 0) {
+ RTE_LOG(INFO, IP_FRAG, "lcore %u has nothing to do\n", lcore_id);
+ return 0;
+ }
+
+ RTE_LOG(INFO, IP_FRAG, "entering main loop on lcore %u\n", lcore_id);
+
+ for (i = 0; i < qconf->n_rx_queue; i++) {
+
+ portid = qconf->rx_queue_list[i].portid;
+ RTE_LOG(INFO, IP_FRAG, " -- lcoreid=%u portid=%d\n", lcore_id,
+ (int) portid);
+ }
+
+ while (1) {
+
+ cur_tsc = rte_rdtsc();
+
+ /*
+ * TX burst queue drain
+ */
+ diff_tsc = cur_tsc - prev_tsc;
+ if (unlikely(diff_tsc > drain_tsc)) {
+
+ /*
+ * This could be optimized (use queueid instead of
+ * portid), but it is not called so often
+ */
+ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
+ if (qconf->tx_mbufs[portid].len == 0)
+ continue;
+ send_burst(&lcore_queue_conf[lcore_id],
+ 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].portid;
+ nb_rx = rte_eth_rx_burst(portid, 0, pkts_burst,
+ MAX_PKT_BURST);
+
+ /* Prefetch first packets */
+ for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
+ rte_prefetch0(rte_pktmbuf_mtod(
+ pkts_burst[j], void *));
+ }
+
+ /* Prefetch and forward already prefetched packets */
+ for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
+ rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
+ j + PREFETCH_OFFSET], void *));
+ l3fwd_simple_forward(pkts_burst[j], qconf, i, portid);
+ }
+
+ /* Forward remaining prefetched packets */
+ for (; j < nb_rx; j++) {
+ l3fwd_simple_forward(pkts_burst[j], qconf, i, portid);
+ }
+ }
+ }
+}
+
+/* display usage */
+static void
+print_usage(const char *prgname)
+{
+ printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
+ " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
+ " -q NQ: number of queue (=ports) per lcore (default is 1)\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;
+}
+
+static int
+parse_nqueue(const char *q_arg)
+{
+ char *end = NULL;
+ unsigned long n;
+
+ /* parse hexadecimal string */
+ n = strtoul(q_arg, &end, 10);
+ if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
+ return -1;
+ if (n == 0)
+ return -1;
+ if (n >= MAX_RX_QUEUE_PER_LCORE)
+ return -1;
+
+ return n;
+}
+
+/* Parse the argument given in the command line of the application */
+static int
+parse_args(int argc, char **argv)
+{
+ int opt, ret;
+ char **argvopt;
+ int option_index;
+ char *prgname = argv[0];
+ static struct option lgopts[] = {
+ {NULL, 0, 0, 0}
+ };
+
+ argvopt = argv;
+
+ while ((opt = getopt_long(argc, argvopt, "p:q:",
+ lgopts, &option_index)) != EOF) {
+
+ switch (opt) {
+ /* portmask */
+ case 'p':
+ enabled_port_mask = parse_portmask(optarg);
+ if (enabled_port_mask < 0) {
+ printf("invalid portmask\n");
+ print_usage(prgname);
+ return -1;
+ }
+ break;
+
+ /* nqueue */
+ case 'q':
+ rx_queue_per_lcore = parse_nqueue(optarg);
+ if (rx_queue_per_lcore < 0) {
+ printf("invalid queue number\n");
+ print_usage(prgname);
+ return -1;
+ }
+ break;
+
+ /* long options */
+ case 0:
+ print_usage(prgname);
+ return -1;
+
+ default:
+ print_usage(prgname);
+ return -1;
+ }
+ }
+
+ if (enabled_port_mask == 0) {
+ printf("portmask not specified\n");
+ print_usage(prgname);
+ return -1;
+ }
+
+ if (optind >= 0)
+ argv[optind-1] = prgname;
+
+ ret = optind-1;
+ optind = 0; /* reset getopt lib */
+ return ret;
+}
+
+static void
+print_ethaddr(const char *name, struct ether_addr *eth_addr)
+{
+ char buf[ETHER_ADDR_FMT_SIZE];
+ ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
+ printf("%s%s", name, buf);
+}
+
+/* Check the link status of all ports in up to 9s, and print them finally */
+static void
+check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
+{
+#define CHECK_INTERVAL 100 /* 100ms */
+#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
+ uint8_t portid, count, all_ports_up, print_flag = 0;
+ struct rte_eth_link link;
+
+ printf("\nChecking link status");
+ fflush(stdout);
+ for (count = 0; count <= MAX_CHECK_TIME; count++) {
+ all_ports_up = 1;
+ for (portid = 0; portid < port_num; portid++) {
+ if ((port_mask & (1 << portid)) == 0)
+ continue;
+ memset(&link, 0, sizeof(link));
+ rte_eth_link_get_nowait(portid, &link);
+ /* print link status if flag set */
+ if (print_flag == 1) {
+ if (link.link_status)
+ printf("Port %d Link Up - speed %u "
+ "Mbps - %s\n", (uint8_t)portid,
+ (unsigned)link.link_speed,
+ (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+ ("full-duplex") : ("half-duplex\n"));
+ else
+ printf("Port %d Link Down\n",
+ (uint8_t)portid);
+ continue;
+ }
+ /* clear all_ports_up flag if any link down */
+ if (link.link_status == ETH_LINK_DOWN) {
+ all_ports_up = 0;
+ break;
+ }
+ }
+ /* after finally printing all link status, get out */
+ if (print_flag == 1)
+ break;
+
+ if (all_ports_up == 0) {
+ printf(".");
+ fflush(stdout);
+ rte_delay_ms(CHECK_INTERVAL);
+ }
+
+ /* set the print_flag if all ports up or timeout */
+ if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
+ print_flag = 1;
+ printf("\ndone\n");
+ }
+ }
+}
+
+static int
+init_routing_table(void)
+{
+ struct rte_lpm *lpm;
+ struct rte_lpm6 *lpm6;
+ int socket, ret;
+ unsigned i;
+
+ for (socket = 0; socket < RTE_MAX_NUMA_NODES; socket++) {
+ if (socket_lpm[socket]) {
+ lpm = socket_lpm[socket];
+ /* populate the LPM table */
+ for (i = 0; i < RTE_DIM(l3fwd_ipv4_route_array); i++) {
+ ret = rte_lpm_add(lpm,
+ l3fwd_ipv4_route_array[i].ip,
+ l3fwd_ipv4_route_array[i].depth,
+ l3fwd_ipv4_route_array[i].if_out);
+
+ if (ret < 0) {
+ RTE_LOG(ERR, IP_FRAG, "Unable to add entry %i to the l3fwd "
+ "LPM table\n", i);
+ return -1;
+ }
+
+ RTE_LOG(INFO, IP_FRAG, "Socket %i: adding route " IPv4_BYTES_FMT
+ "/%d (port %d)\n",
+ socket,
+ IPv4_BYTES(l3fwd_ipv4_route_array[i].ip),
+ l3fwd_ipv4_route_array[i].depth,
+ l3fwd_ipv4_route_array[i].if_out);
+ }
+ }
+
+ if (socket_lpm6[socket]) {
+ lpm6 = socket_lpm6[socket];
+ /* populate the LPM6 table */
+ for (i = 0; i < RTE_DIM(l3fwd_ipv6_route_array); i++) {
+ ret = rte_lpm6_add(lpm6,
+ l3fwd_ipv6_route_array[i].ip,
+ l3fwd_ipv6_route_array[i].depth,
+ l3fwd_ipv6_route_array[i].if_out);
+
+ if (ret < 0) {
+ RTE_LOG(ERR, IP_FRAG, "Unable to add entry %i to the l3fwd "
+ "LPM6 table\n", i);
+ return -1;
+ }
+
+ RTE_LOG(INFO, IP_FRAG, "Socket %i: adding route " IPv6_BYTES_FMT
+ "/%d (port %d)\n",
+ socket,
+ IPv6_BYTES(l3fwd_ipv6_route_array[i].ip),
+ l3fwd_ipv6_route_array[i].depth,
+ l3fwd_ipv6_route_array[i].if_out);
+ }
+ }
+ }
+ return 0;
+}
+
+static int
+init_mem(void)
+{
+ char buf[PATH_MAX];
+ struct rte_mempool *mp;
+ struct rte_lpm *lpm;
+ struct rte_lpm6 *lpm6;
+ struct rte_lpm_config lpm_config;
+ int socket;
+ unsigned lcore_id;
+
+ /* traverse through lcores and initialize structures on each socket */
+
+ for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+
+ if (rte_lcore_is_enabled(lcore_id) == 0)
+ continue;
+
+ socket = rte_lcore_to_socket_id(lcore_id);
+
+ if (socket == SOCKET_ID_ANY)
+ socket = 0;
+
+ if (socket_direct_pool[socket] == NULL) {
+ RTE_LOG(INFO, IP_FRAG, "Creating direct mempool on socket %i\n",
+ socket);
+ snprintf(buf, sizeof(buf), "pool_direct_%i", socket);
+
+ mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32,
+ 0, RTE_MBUF_DEFAULT_BUF_SIZE, socket);
+ if (mp == NULL) {
+ RTE_LOG(ERR, IP_FRAG, "Cannot create direct mempool\n");
+ return -1;
+ }
+ socket_direct_pool[socket] = mp;
+ }
+
+ if (socket_indirect_pool[socket] == NULL) {
+ RTE_LOG(INFO, IP_FRAG, "Creating indirect mempool on socket %i\n",
+ socket);
+ snprintf(buf, sizeof(buf), "pool_indirect_%i", socket);
+
+ mp = rte_pktmbuf_pool_create(buf, NB_MBUF, 32, 0, 0,
+ socket);
+ if (mp == NULL) {
+ RTE_LOG(ERR, IP_FRAG, "Cannot create indirect mempool\n");
+ return -1;
+ }
+ socket_indirect_pool[socket] = mp;
+ }
+
+ if (socket_lpm[socket] == NULL) {
+ RTE_LOG(INFO, IP_FRAG, "Creating LPM table on socket %i\n", socket);
+ snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
+
+ lpm_config.max_rules = LPM_MAX_RULES;
+ lpm_config.number_tbl8s = 256;
+ lpm_config.flags = 0;
+
+ lpm = rte_lpm_create(buf, socket, &lpm_config);
+ if (lpm == NULL) {
+ RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n");
+ return -1;
+ }
+ socket_lpm[socket] = lpm;
+ }
+
+ if (socket_lpm6[socket] == NULL) {
+ RTE_LOG(INFO, IP_FRAG, "Creating LPM6 table on socket %i\n", socket);
+ snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket);
+
+ lpm6 = rte_lpm6_create("IP_FRAG_LPM6", socket, &lpm6_config);
+ if (lpm6 == NULL) {
+ RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n");
+ return -1;
+ }
+ socket_lpm6[socket] = lpm6;
+ }
+ }
+
+ return 0;
+}
+
+int
+main(int argc, char **argv)
+{
+ struct lcore_queue_conf *qconf;
+ struct rte_eth_dev_info dev_info;
+ struct rte_eth_txconf *txconf;
+ struct rx_queue *rxq;
+ int socket, ret;
+ unsigned nb_ports;
+ uint16_t queueid = 0;
+ unsigned lcore_id = 0, rx_lcore_id = 0;
+ uint32_t n_tx_queue, nb_lcores;
+ uint8_t portid;
+
+ /* init EAL */
+ ret = rte_eal_init(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "rte_eal_init failed");
+ argc -= ret;
+ argv += ret;
+
+ /* parse application arguments (after the EAL ones) */
+ ret = parse_args(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Invalid arguments");
+
+ nb_ports = rte_eth_dev_count();
+ if (nb_ports > RTE_MAX_ETHPORTS)
+ nb_ports = RTE_MAX_ETHPORTS;
+ else if (nb_ports == 0)
+ rte_exit(EXIT_FAILURE, "No ports found!\n");
+
+ nb_lcores = rte_lcore_count();
+
+ /* initialize structures (mempools, lpm etc.) */
+ if (init_mem() < 0)
+ rte_panic("Cannot initialize memory structures!\n");
+
+ /* check if portmask has non-existent ports */
+ if (enabled_port_mask & ~(RTE_LEN2MASK(nb_ports, unsigned)))
+ rte_exit(EXIT_FAILURE, "Non-existent ports in portmask!\n");
+
+ /* initialize all ports */
+ for (portid = 0; portid < nb_ports; portid++) {
+ /* skip ports that are not enabled */
+ if ((enabled_port_mask & (1 << portid)) == 0) {
+ printf("Skipping disabled port %d\n", portid);
+ continue;
+ }
+
+ qconf = &lcore_queue_conf[rx_lcore_id];
+
+ /* get the lcore_id for this port */
+ while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
+ qconf->n_rx_queue == (unsigned)rx_queue_per_lcore) {
+
+ rx_lcore_id ++;
+ if (rx_lcore_id >= RTE_MAX_LCORE)
+ rte_exit(EXIT_FAILURE, "Not enough cores\n");
+
+ qconf = &lcore_queue_conf[rx_lcore_id];
+ }
+
+ socket = (int) rte_lcore_to_socket_id(rx_lcore_id);
+ if (socket == SOCKET_ID_ANY)
+ socket = 0;
+
+ rxq = &qconf->rx_queue_list[qconf->n_rx_queue];
+ rxq->portid = portid;
+ rxq->direct_pool = socket_direct_pool[socket];
+ rxq->indirect_pool = socket_indirect_pool[socket];
+ rxq->lpm = socket_lpm[socket];
+ rxq->lpm6 = socket_lpm6[socket];
+ qconf->n_rx_queue++;
+
+ /* init port */
+ printf("Initializing port %d on lcore %u...", portid,
+ rx_lcore_id);
+ fflush(stdout);
+
+ n_tx_queue = nb_lcores;
+ if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
+ n_tx_queue = MAX_TX_QUEUE_PER_PORT;
+ ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue,
+ &port_conf);
+ if (ret < 0) {
+ printf("\n");
+ rte_exit(EXIT_FAILURE, "Cannot configure device: "
+ "err=%d, port=%d\n",
+ ret, portid);
+ }
+
+ /* init one RX queue */
+ ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
+ socket, NULL,
+ socket_direct_pool[socket]);
+ if (ret < 0) {
+ printf("\n");
+ rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: "
+ "err=%d, port=%d\n",
+ ret, portid);
+ }
+
+ rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
+ print_ethaddr(" Address:", &ports_eth_addr[portid]);
+ printf("\n");
+
+ /* init one TX queue per couple (lcore,port) */
+ queueid = 0;
+ for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
+ if (rte_lcore_is_enabled(lcore_id) == 0)
+ continue;
+
+ socket = (int) rte_lcore_to_socket_id(lcore_id);
+ printf("txq=%u,%d ", lcore_id, queueid);
+ fflush(stdout);
+
+ rte_eth_dev_info_get(portid, &dev_info);
+ txconf = &dev_info.default_txconf;
+ txconf->txq_flags = 0;
+ ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
+ socket, txconf);
+ if (ret < 0) {
+ printf("\n");
+ rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
+ "err=%d, port=%d\n", ret, portid);
+ }
+
+ qconf = &lcore_queue_conf[lcore_id];
+ qconf->tx_queue_id[portid] = queueid;
+ queueid++;
+ }
+
+ printf("\n");
+ }
+
+ printf("\n");
+
+ /* start ports */
+ for (portid = 0; portid < nb_ports; portid++) {
+ if ((enabled_port_mask & (1 << portid)) == 0) {
+ continue;
+ }
+ /* Start device */
+ ret = rte_eth_dev_start(portid);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%d\n",
+ ret, portid);
+
+ rte_eth_promiscuous_enable(portid);
+ }
+
+ if (init_routing_table() < 0)
+ rte_exit(EXIT_FAILURE, "Cannot init routing table\n");
+
+ check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
+
+ /* 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