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-rw-r--r--src/spdk/dpdk/examples/ip_reassembly/main.c1184
1 files changed, 1184 insertions, 0 deletions
diff --git a/src/spdk/dpdk/examples/ip_reassembly/main.c b/src/spdk/dpdk/examples/ip_reassembly/main.c
new file mode 100644
index 00000000..b830f67a
--- /dev/null
+++ b/src/spdk/dpdk/examples/ip_reassembly/main.c
@@ -0,0 +1,1184 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
+ */
+
+#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 <signal.h>
+#include <sys/param.h>
+
+#include <rte_common.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_memory.h>
+#include <rte_memcpy.h>
+#include <rte_eal.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_random.h>
+#include <rte_debug.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_mempool.h>
+#include <rte_mbuf.h>
+#include <rte_malloc.h>
+#include <rte_ip.h>
+#include <rte_tcp.h>
+#include <rte_udp.h>
+#include <rte_string_fns.h>
+#include <rte_lpm.h>
+#include <rte_lpm6.h>
+
+#include <rte_ip_frag.h>
+
+#define MAX_PKT_BURST 32
+
+
+#define RTE_LOGTYPE_IP_RSMBL RTE_LOGTYPE_USER1
+
+#define MAX_JUMBO_PKT_LEN 9600
+
+#define BUF_SIZE RTE_MBUF_DEFAULT_DATAROOM
+#define MBUF_DATA_SIZE RTE_MBUF_DEFAULT_BUF_SIZE
+
+#define NB_MBUF 8192
+#define MEMPOOL_CACHE_SIZE 256
+
+/* allow max jumbo frame 9.5 KB */
+#define JUMBO_FRAME_MAX_SIZE 0x2600
+
+#define MAX_FLOW_NUM UINT16_MAX
+#define MIN_FLOW_NUM 1
+#define DEF_FLOW_NUM 0x1000
+
+/* TTL numbers are in ms. */
+#define MAX_FLOW_TTL (3600 * MS_PER_S)
+#define MIN_FLOW_TTL 1
+#define DEF_FLOW_TTL MS_PER_S
+
+#define MAX_FRAG_NUM RTE_LIBRTE_IP_FRAG_MAX_FRAG
+
+/* Should be power of two. */
+#define IP_FRAG_TBL_BUCKET_ENTRIES 16
+
+static uint32_t max_flow_num = DEF_FLOW_NUM;
+static uint32_t max_flow_ttl = DEF_FLOW_TTL;
+
+#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
+
+#define NB_SOCKETS 8
+
+/* 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 1024
+#define RTE_TEST_TX_DESC_DEFAULT 1024
+
+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 uint32_t enabled_port_mask = 0;
+
+static int rx_queue_per_lcore = 1;
+
+struct mbuf_table {
+ uint32_t len;
+ uint32_t head;
+ uint32_t tail;
+ struct rte_mbuf *m_table[0];
+};
+
+struct rx_queue {
+ struct rte_ip_frag_tbl *frag_tbl;
+ struct rte_mempool *pool;
+ struct rte_lpm *lpm;
+ struct rte_lpm6 *lpm6;
+ uint16_t portid;
+};
+
+struct tx_lcore_stat {
+ uint64_t call;
+ uint64_t drop;
+ uint64_t queue;
+ uint64_t send;
+};
+
+#define MAX_RX_QUEUE_PER_LCORE 16
+#define MAX_TX_QUEUE_PER_PORT 16
+#define MAX_RX_QUEUE_PER_PORT 128
+
+struct lcore_queue_conf {
+ uint16_t n_rx_queue;
+ struct rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
+ uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
+ struct rte_ip_frag_death_row death_row;
+ struct mbuf_table *tx_mbufs[RTE_MAX_ETHPORTS];
+ struct tx_lcore_stat tx_stat;
+} __rte_cache_aligned;
+static struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
+
+static struct rte_eth_conf port_conf = {
+ .rxmode = {
+ .mq_mode = ETH_MQ_RX_RSS,
+ .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE,
+ .split_hdr_size = 0,
+ .offloads = (DEV_RX_OFFLOAD_CHECKSUM |
+ DEV_RX_OFFLOAD_JUMBO_FRAME |
+ DEV_RX_OFFLOAD_CRC_STRIP),
+ },
+ .rx_adv_conf = {
+ .rss_conf = {
+ .rss_key = NULL,
+ .rss_hf = ETH_RSS_IP,
+ },
+ },
+ .txmode = {
+ .mq_mode = ETH_MQ_TX_NONE,
+ .offloads = (DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_MULTI_SEGS),
+ },
+};
+
+/*
+ * 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_lpm *socket_lpm[RTE_MAX_NUMA_NODES];
+static struct rte_lpm6 *socket_lpm6[RTE_MAX_NUMA_NODES];
+
+#ifdef RTE_LIBRTE_IP_FRAG_TBL_STAT
+#define TX_LCORE_STAT_UPDATE(s, f, v) ((s)->f += (v))
+#else
+#define TX_LCORE_STAT_UPDATE(s, f, v) do {} while (0)
+#endif /* RTE_LIBRTE_IP_FRAG_TBL_STAT */
+
+/*
+ * If number of queued packets reached given threahold, then
+ * send burst of packets on an output interface.
+ */
+static inline uint32_t
+send_burst(struct lcore_queue_conf *qconf, uint32_t thresh, uint16_t port)
+{
+ uint32_t fill, len, k, n;
+ struct mbuf_table *txmb;
+
+ txmb = qconf->tx_mbufs[port];
+ len = txmb->len;
+
+ if ((int32_t)(fill = txmb->head - txmb->tail) < 0)
+ fill += len;
+
+ if (fill >= thresh) {
+ n = RTE_MIN(len - txmb->tail, fill);
+
+ k = rte_eth_tx_burst(port, qconf->tx_queue_id[port],
+ txmb->m_table + txmb->tail, (uint16_t)n);
+
+ TX_LCORE_STAT_UPDATE(&qconf->tx_stat, call, 1);
+ TX_LCORE_STAT_UPDATE(&qconf->tx_stat, send, k);
+
+ fill -= k;
+ if ((txmb->tail += k) == len)
+ txmb->tail = 0;
+ }
+
+ return fill;
+}
+
+/* Enqueue a single packet, and send burst if queue is filled */
+static inline int
+send_single_packet(struct rte_mbuf *m, uint16_t port)
+{
+ uint32_t fill, lcore_id, len;
+ struct lcore_queue_conf *qconf;
+ struct mbuf_table *txmb;
+
+ lcore_id = rte_lcore_id();
+ qconf = &lcore_queue_conf[lcore_id];
+
+ txmb = qconf->tx_mbufs[port];
+ len = txmb->len;
+
+ fill = send_burst(qconf, MAX_PKT_BURST, port);
+
+ if (fill == len - 1) {
+ TX_LCORE_STAT_UPDATE(&qconf->tx_stat, drop, 1);
+ rte_pktmbuf_free(txmb->m_table[txmb->tail]);
+ if (++txmb->tail == len)
+ txmb->tail = 0;
+ }
+
+ TX_LCORE_STAT_UPDATE(&qconf->tx_stat, queue, 1);
+ txmb->m_table[txmb->head] = m;
+ if(++txmb->head == len)
+ txmb->head = 0;
+
+ return 0;
+}
+
+static inline void
+reassemble(struct rte_mbuf *m, uint16_t portid, uint32_t queue,
+ struct lcore_queue_conf *qconf, uint64_t tms)
+{
+ struct ether_hdr *eth_hdr;
+ struct rte_ip_frag_tbl *tbl;
+ struct rte_ip_frag_death_row *dr;
+ struct rx_queue *rxq;
+ void *d_addr_bytes;
+ uint32_t next_hop;
+ uint16_t dst_port;
+
+ rxq = &qconf->rx_queue_list[queue];
+
+ eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+
+ dst_port = portid;
+
+ /* if packet is IPv4 */
+ if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
+ struct ipv4_hdr *ip_hdr;
+ uint32_t ip_dst;
+
+ ip_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+
+ /* if it is a fragmented packet, then try to reassemble. */
+ if (rte_ipv4_frag_pkt_is_fragmented(ip_hdr)) {
+ struct rte_mbuf *mo;
+
+ tbl = rxq->frag_tbl;
+ dr = &qconf->death_row;
+
+ /* prepare mbuf: setup l2_len/l3_len. */
+ m->l2_len = sizeof(*eth_hdr);
+ m->l3_len = sizeof(*ip_hdr);
+
+ /* process this fragment. */
+ mo = rte_ipv4_frag_reassemble_packet(tbl, dr, m, tms, ip_hdr);
+ if (mo == NULL)
+ /* no packet to send out. */
+ return;
+
+ /* we have our packet reassembled. */
+ if (mo != m) {
+ m = mo;
+ eth_hdr = rte_pktmbuf_mtod(m,
+ struct ether_hdr *);
+ ip_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+ }
+ }
+ ip_dst = rte_be_to_cpu_32(ip_hdr->dst_addr);
+
+ /* Find destination port */
+ if (rte_lpm_lookup(rxq->lpm, ip_dst, &next_hop) == 0 &&
+ (enabled_port_mask & 1 << next_hop) != 0) {
+ dst_port = next_hop;
+ }
+
+ eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv4);
+ } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
+ /* if packet is IPv6 */
+ struct ipv6_extension_fragment *frag_hdr;
+ struct ipv6_hdr *ip_hdr;
+
+ ip_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
+
+ frag_hdr = rte_ipv6_frag_get_ipv6_fragment_header(ip_hdr);
+
+ if (frag_hdr != NULL) {
+ struct rte_mbuf *mo;
+
+ tbl = rxq->frag_tbl;
+ dr = &qconf->death_row;
+
+ /* prepare mbuf: setup l2_len/l3_len. */
+ m->l2_len = sizeof(*eth_hdr);
+ m->l3_len = sizeof(*ip_hdr) + sizeof(*frag_hdr);
+
+ mo = rte_ipv6_frag_reassemble_packet(tbl, dr, m, tms, ip_hdr, frag_hdr);
+ if (mo == NULL)
+ return;
+
+ if (mo != m) {
+ m = mo;
+ eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+ ip_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
+ }
+ }
+
+ /* Find destination port */
+ if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr,
+ &next_hop) == 0 &&
+ (enabled_port_mask & 1 << next_hop) != 0) {
+ dst_port = next_hop;
+ }
+
+ eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv6);
+ }
+ /* if packet wasn't IPv4 or IPv6, it's forwarded to the port it came from */
+
+ /* 02:00:00:00:00:xx */
+ d_addr_bytes = &eth_hdr->d_addr.addr_bytes[0];
+ *((uint64_t *)d_addr_bytes) = 0x000000000002 + ((uint64_t)dst_port << 40);
+
+ /* src addr */
+ ether_addr_copy(&ports_eth_addr[dst_port], &eth_hdr->s_addr);
+
+ send_single_packet(m, dst_port);
+}
+
+/* main processing loop */
+static int
+main_loop(__attribute__((unused)) void *dummy)
+{
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ unsigned lcore_id;
+ uint64_t diff_tsc, cur_tsc, prev_tsc;
+ int i, j, nb_rx;
+ uint16_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_RSMBL, "lcore %u has nothing to do\n", lcore_id);
+ return 0;
+ }
+
+ RTE_LOG(INFO, IP_RSMBL, "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_RSMBL, " -- lcoreid=%u portid=%u\n", lcore_id,
+ 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 ((enabled_port_mask & (1 << portid)) != 0)
+ send_burst(qconf, 1, portid);
+ }
+
+ 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 *));
+ reassemble(pkts_burst[j], portid,
+ i, qconf, cur_tsc);
+ }
+
+ /* Forward remaining prefetched packets */
+ for (; j < nb_rx; j++) {
+ reassemble(pkts_burst[j], portid,
+ i, qconf, cur_tsc);
+ }
+
+ rte_ip_frag_free_death_row(&qconf->death_row,
+ PREFETCH_OFFSET);
+ }
+ }
+}
+
+/* display usage */
+static void
+print_usage(const char *prgname)
+{
+ printf("%s [EAL options] -- -p PORTMASK [-q NQ]"
+ " [--max-pkt-len PKTLEN]"
+ " [--maxflows=<flows>] [--flowttl=<ttl>[(s|ms)]]\n"
+ " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
+ " -q NQ: number of RX queues per lcore\n"
+ " --maxflows=<flows>: optional, maximum number of flows "
+ "supported\n"
+ " --flowttl=<ttl>[(s|ms)]: optional, maximum TTL for each "
+ "flow\n",
+ prgname);
+}
+
+static uint32_t
+parse_flow_num(const char *str, uint32_t min, uint32_t max, uint32_t *val)
+{
+ char *end;
+ uint64_t v;
+
+ /* parse decimal string */
+ errno = 0;
+ v = strtoul(str, &end, 10);
+ if (errno != 0 || *end != '\0')
+ return -EINVAL;
+
+ if (v < min || v > max)
+ return -EINVAL;
+
+ *val = (uint32_t)v;
+ return 0;
+}
+
+static int
+parse_flow_ttl(const char *str, uint32_t min, uint32_t max, uint32_t *val)
+{
+ char *end;
+ uint64_t v;
+
+ static const char frmt_sec[] = "s";
+ static const char frmt_msec[] = "ms";
+
+ /* parse decimal string */
+ errno = 0;
+ v = strtoul(str, &end, 10);
+ if (errno != 0)
+ return -EINVAL;
+
+ if (*end != '\0') {
+ if (strncmp(frmt_sec, end, sizeof(frmt_sec)) == 0)
+ v *= MS_PER_S;
+ else if (strncmp(frmt_msec, end, sizeof (frmt_msec)) != 0)
+ return -EINVAL;
+ }
+
+ if (v < min || v > max)
+ return -EINVAL;
+
+ *val = (uint32_t)v;
+ return 0;
+}
+
+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;
+
+ printf("%p\n", q_arg);
+
+ /* 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[] = {
+ {"max-pkt-len", 1, 0, 0},
+ {"maxflows", 1, 0, 0},
+ {"flowttl", 1, 0, 0},
+ {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:
+ if (!strncmp(lgopts[option_index].name,
+ "maxflows", 8)) {
+ if ((ret = parse_flow_num(optarg, MIN_FLOW_NUM,
+ MAX_FLOW_NUM,
+ &max_flow_num)) != 0) {
+ printf("invalid value: \"%s\" for "
+ "parameter %s\n",
+ optarg,
+ lgopts[option_index].name);
+ print_usage(prgname);
+ return ret;
+ }
+ }
+
+ if (!strncmp(lgopts[option_index].name, "flowttl", 7)) {
+ if ((ret = parse_flow_ttl(optarg, MIN_FLOW_TTL,
+ MAX_FLOW_TTL,
+ &max_flow_ttl)) != 0) {
+ printf("invalid value: \"%s\" for "
+ "parameter %s\n",
+ optarg,
+ lgopts[option_index].name);
+ print_usage(prgname);
+ return ret;
+ }
+ }
+
+ break;
+
+ default:
+ print_usage(prgname);
+ return -1;
+ }
+ }
+
+ if (optind >= 0)
+ argv[optind-1] = prgname;
+
+ ret = optind-1;
+ optind = 1; /* reset getopt lib */
+ return ret;
+}
+
+static void
+print_ethaddr(const char *name, const 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(uint32_t port_mask)
+{
+#define CHECK_INTERVAL 100 /* 100ms */
+#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
+ uint16_t portid;
+ uint8_t 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;
+ RTE_ETH_FOREACH_DEV(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",
+ portid, link.link_speed,
+ (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+ ("full-duplex") : ("half-duplex\n"));
+ else
+ printf("Port %d Link Down\n", 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_RSMBL, "Unable to add entry %i to the l3fwd "
+ "LPM table\n", i);
+ return -1;
+ }
+
+ RTE_LOG(INFO, IP_RSMBL, "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_RSMBL, "Unable to add entry %i to the l3fwd "
+ "LPM6 table\n", i);
+ return -1;
+ }
+
+ RTE_LOG(INFO, IP_RSMBL, "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
+setup_port_tbl(struct lcore_queue_conf *qconf, uint32_t lcore, int socket,
+ uint32_t port)
+{
+ struct mbuf_table *mtb;
+ uint32_t n;
+ size_t sz;
+
+ n = RTE_MAX(max_flow_num, 2UL * MAX_PKT_BURST);
+ sz = sizeof (*mtb) + sizeof (mtb->m_table[0]) * n;
+
+ if ((mtb = rte_zmalloc_socket(__func__, sz, RTE_CACHE_LINE_SIZE,
+ socket)) == NULL) {
+ RTE_LOG(ERR, IP_RSMBL, "%s() for lcore: %u, port: %u "
+ "failed to allocate %zu bytes\n",
+ __func__, lcore, port, sz);
+ return -1;
+ }
+
+ mtb->len = n;
+ qconf->tx_mbufs[port] = mtb;
+
+ return 0;
+}
+
+static int
+setup_queue_tbl(struct rx_queue *rxq, uint32_t lcore, uint32_t queue)
+{
+ int socket;
+ uint32_t nb_mbuf;
+ uint64_t frag_cycles;
+ char buf[RTE_MEMPOOL_NAMESIZE];
+
+ socket = rte_lcore_to_socket_id(lcore);
+ if (socket == SOCKET_ID_ANY)
+ socket = 0;
+
+ frag_cycles = (rte_get_tsc_hz() + MS_PER_S - 1) / MS_PER_S *
+ max_flow_ttl;
+
+ if ((rxq->frag_tbl = rte_ip_frag_table_create(max_flow_num,
+ IP_FRAG_TBL_BUCKET_ENTRIES, max_flow_num, frag_cycles,
+ socket)) == NULL) {
+ RTE_LOG(ERR, IP_RSMBL, "ip_frag_tbl_create(%u) on "
+ "lcore: %u for queue: %u failed\n",
+ max_flow_num, lcore, queue);
+ return -1;
+ }
+
+ /*
+ * At any given moment up to <max_flow_num * (MAX_FRAG_NUM)>
+ * mbufs could be stored int the fragment table.
+ * Plus, each TX queue can hold up to <max_flow_num> packets.
+ */
+
+ nb_mbuf = RTE_MAX(max_flow_num, 2UL * MAX_PKT_BURST) * MAX_FRAG_NUM;
+ nb_mbuf *= (port_conf.rxmode.max_rx_pkt_len + BUF_SIZE - 1) / BUF_SIZE;
+ nb_mbuf *= 2; /* ipv4 and ipv6 */
+ nb_mbuf += nb_rxd + nb_txd;
+
+ nb_mbuf = RTE_MAX(nb_mbuf, (uint32_t)NB_MBUF);
+
+ snprintf(buf, sizeof(buf), "mbuf_pool_%u_%u", lcore, queue);
+
+ rxq->pool = rte_pktmbuf_pool_create(buf, nb_mbuf, MEMPOOL_CACHE_SIZE, 0,
+ MBUF_DATA_SIZE, socket);
+ if (rxq->pool == NULL) {
+ RTE_LOG(ERR, IP_RSMBL,
+ "rte_pktmbuf_pool_create(%s) failed", buf);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+init_mem(void)
+{
+ char buf[PATH_MAX];
+ 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_lpm[socket] == NULL) {
+ RTE_LOG(INFO, IP_RSMBL, "Creating LPM table on socket %i\n", socket);
+ snprintf(buf, sizeof(buf), "IP_RSMBL_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_RSMBL, "Cannot create LPM table\n");
+ return -1;
+ }
+ socket_lpm[socket] = lpm;
+ }
+
+ if (socket_lpm6[socket] == NULL) {
+ RTE_LOG(INFO, IP_RSMBL, "Creating LPM6 table on socket %i\n", socket);
+ snprintf(buf, sizeof(buf), "IP_RSMBL_LPM_%i", socket);
+
+ lpm6 = rte_lpm6_create(buf, socket, &lpm6_config);
+ if (lpm6 == NULL) {
+ RTE_LOG(ERR, IP_RSMBL, "Cannot create LPM table\n");
+ return -1;
+ }
+ socket_lpm6[socket] = lpm6;
+ }
+ }
+
+ return 0;
+}
+
+static void
+queue_dump_stat(void)
+{
+ uint32_t i, lcore;
+ const struct lcore_queue_conf *qconf;
+
+ for (lcore = 0; lcore < RTE_MAX_LCORE; lcore++) {
+ if (rte_lcore_is_enabled(lcore) == 0)
+ continue;
+
+ qconf = &lcore_queue_conf[lcore];
+ for (i = 0; i < qconf->n_rx_queue; i++) {
+
+ fprintf(stdout, " -- lcoreid=%u portid=%u "
+ "frag tbl stat:\n",
+ lcore, qconf->rx_queue_list[i].portid);
+ rte_ip_frag_table_statistics_dump(stdout,
+ qconf->rx_queue_list[i].frag_tbl);
+ fprintf(stdout, "TX bursts:\t%" PRIu64 "\n"
+ "TX packets _queued:\t%" PRIu64 "\n"
+ "TX packets dropped:\t%" PRIu64 "\n"
+ "TX packets send:\t%" PRIu64 "\n",
+ qconf->tx_stat.call,
+ qconf->tx_stat.queue,
+ qconf->tx_stat.drop,
+ qconf->tx_stat.send);
+ }
+ }
+}
+
+static void
+signal_handler(int signum)
+{
+ queue_dump_stat();
+ if (signum != SIGUSR1)
+ rte_exit(0, "received signal: %d, exiting\n", signum);
+}
+
+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 ret, socket;
+ unsigned nb_ports;
+ uint16_t queueid;
+ unsigned lcore_id = 0, rx_lcore_id = 0;
+ uint32_t n_tx_queue, nb_lcores;
+ uint16_t portid;
+
+ /* init EAL */
+ ret = rte_eal_init(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
+ argc -= ret;
+ argv += ret;
+
+ /* parse application arguments (after the EAL ones) */
+ ret = parse_args(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Invalid IP reassembly parameters\n");
+
+ nb_ports = rte_eth_dev_count_avail();
+ 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 */
+ RTE_ETH_FOREACH_DEV(portid) {
+ struct rte_eth_rxconf rxq_conf;
+ struct rte_eth_conf local_port_conf = port_conf;
+
+ /* skip ports that are not enabled */
+ if ((enabled_port_mask & (1 << portid)) == 0) {
+ printf("\nSkipping disabled port %d\n", portid);
+ continue;
+ }
+
+ qconf = &lcore_queue_conf[rx_lcore_id];
+
+ /* limit the frame size to the maximum supported by NIC */
+ rte_eth_dev_info_get(portid, &dev_info);
+ local_port_conf.rxmode.max_rx_pkt_len = RTE_MIN(
+ dev_info.max_rx_pktlen,
+ local_port_conf.rxmode.max_rx_pkt_len);
+
+ /* 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 = rte_lcore_to_socket_id(portid);
+ if (socket == SOCKET_ID_ANY)
+ socket = 0;
+
+ queueid = qconf->n_rx_queue;
+ rxq = &qconf->rx_queue_list[queueid];
+ rxq->portid = portid;
+ rxq->lpm = socket_lpm[socket];
+ rxq->lpm6 = socket_lpm6[socket];
+
+ ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
+ &nb_txd);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Cannot adjust number of descriptors: err=%d, port=%d\n",
+ ret, portid);
+
+ if (setup_queue_tbl(rxq, rx_lcore_id, queueid) < 0)
+ rte_exit(EXIT_FAILURE, "Failed to set up queue table\n");
+ qconf->n_rx_queue++;
+
+ /* init port */
+ printf("Initializing port %d ... ", portid );
+ fflush(stdout);
+
+ n_tx_queue = nb_lcores;
+ if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
+ n_tx_queue = MAX_TX_QUEUE_PER_PORT;
+ if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+ local_port_conf.txmode.offloads |=
+ DEV_TX_OFFLOAD_MBUF_FAST_FREE;
+
+ local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
+ dev_info.flow_type_rss_offloads;
+ if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
+ port_conf.rx_adv_conf.rss_conf.rss_hf) {
+ printf("Port %u modified RSS hash function based on hardware support,"
+ "requested:%#"PRIx64" configured:%#"PRIx64"\n",
+ portid,
+ port_conf.rx_adv_conf.rss_conf.rss_hf,
+ local_port_conf.rx_adv_conf.rss_conf.rss_hf);
+ }
+
+ ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue,
+ &local_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 */
+ rxq_conf = dev_info.default_rxconf;
+ rxq_conf.offloads = local_port_conf.rxmode.offloads;
+ ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
+ socket, &rxq_conf,
+ rxq->pool);
+ 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,%d ", lcore_id, queueid, socket);
+ fflush(stdout);
+
+ txconf = &dev_info.default_txconf;
+ txconf->offloads = local_port_conf.txmode.offloads;
+
+ ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
+ socket, txconf);
+ if (ret < 0)
+ 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;
+ setup_port_tbl(qconf, lcore_id, socket, portid);
+ queueid++;
+ }
+ printf("\n");
+ }
+
+ printf("\n");
+
+ /* start ports */
+ RTE_ETH_FOREACH_DEV(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(enabled_port_mask);
+
+ signal(SIGUSR1, signal_handler);
+ signal(SIGTERM, signal_handler);
+ signal(SIGINT, signal_handler);
+
+ /* 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 00:27:23 +0000