diff options
Diffstat (limited to 'src/spdk/dpdk/examples/ip_fragmentation')
| -rw-r--r-- | src/spdk/dpdk/examples/ip_fragmentation/Makefile | 66 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/ip_fragmentation/main.c | 1082 | ||||
| -rw-r--r-- | src/spdk/dpdk/examples/ip_fragmentation/meson.build | 13 |
3 files changed, 1161 insertions, 0 deletions
diff --git a/src/spdk/dpdk/examples/ip_fragmentation/Makefile b/src/spdk/dpdk/examples/ip_fragmentation/Makefile new file mode 100644 index 000000000..8babbbf82 --- /dev/null +++ b/src/spdk/dpdk/examples/ip_fragmentation/Makefile @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2010-2014 Intel Corporation +# + +# binary name +APP = ip_fragmentation + +# all source are stored in SRCS-y +SRCS-y := main.c + +# Build using pkg-config variables if possible +ifeq ($(shell pkg-config --exists libdpdk && echo 0),0) + +all: shared +.PHONY: shared static +shared: build/$(APP)-shared + ln -sf $(APP)-shared build/$(APP) +static: build/$(APP)-static + ln -sf $(APP)-static build/$(APP) + +PKGCONF ?= pkg-config + +PC_FILE := $(shell $(PKGCONF) --path libdpdk 2>/dev/null) +CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk) +CFLAGS += -DALLOW_EXPERIMENTAL_API +LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk) +LDFLAGS_STATIC = -Wl,-Bstatic $(shell $(PKGCONF) --static --libs libdpdk) + +build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build + $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED) + +build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build + $(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC) + +build: + @mkdir -p $@ + +.PHONY: clean +clean: + rm -f build/$(APP) build/$(APP)-static build/$(APP)-shared + test -d build && rmdir -p build || true + +else + +ifeq ($(RTE_SDK),) +$(error "Please define RTE_SDK environment variable") +endif + +# Default target, detect a build directory, by looking for a path with a .config +RTE_TARGET ?= $(notdir $(abspath $(dir $(firstword $(wildcard $(RTE_SDK)/*/.config))))) + +include $(RTE_SDK)/mk/rte.vars.mk + +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) +CFLAGS += -DALLOW_EXPERIMENTAL_API + +# workaround for a gcc bug with noreturn attribute +# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603 +ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y) +CFLAGS_main.o += -Wno-return-type +endif + +include $(RTE_SDK)/mk/rte.extapp.mk + +endif diff --git a/src/spdk/dpdk/examples/ip_fragmentation/main.c b/src/spdk/dpdk/examples/ip_fragmentation/main.c new file mode 100644 index 000000000..4afb97109 --- /dev/null +++ b/src/spdk/dpdk/examples/ip_fragmentation/main.c @@ -0,0 +1,1082 @@ +/* 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 <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_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_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 RTE_ETHER_MTU +#define IPV6_MTU_DEFAULT RTE_ETHER_MTU + +/* + * The overhead from max frame size to MTU. + * We have to consider the max possible overhead. + */ +#define MTU_OVERHEAD \ + (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + \ + 2 * sizeof(struct rte_vlan_hdr)) + +/* + * Default payload in bytes for the IPv6 packet. + */ +#define IPV4_DEFAULT_PAYLOAD (IPV4_MTU_DEFAULT - sizeof(struct rte_ipv4_hdr)) +#define IPV6_DEFAULT_PAYLOAD (IPV6_MTU_DEFAULT - sizeof(struct rte_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 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 rte_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; + uint16_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 struct rte_eth_conf port_conf = { + .rxmode = { + .max_rx_pkt_len = JUMBO_FRAME_MAX_SIZE, + .split_hdr_size = 0, + .offloads = (DEV_RX_OFFLOAD_CHECKSUM | + DEV_RX_OFFLOAD_SCATTER | + DEV_RX_OFFLOAD_JUMBO_FRAME), + }, + .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[] = { + {RTE_IPV4(100,10,0,0), 16, 0}, + {RTE_IPV4(100,20,0,0), 16, 1}, + {RTE_IPV4(100,30,0,0), 16, 2}, + {RTE_IPV4(100,40,0,0), 16, 3}, + {RTE_IPV4(100,50,0,0), 16, 4}, + {RTE_IPV4(100,60,0,0), 16, 5}, + {RTE_IPV4(100,70,0,0), 16, 6}, + {RTE_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, uint16_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, uint16_t port_in) +{ + struct rx_queue *rxq; + uint32_t i, len, next_hop; + uint16_t port_out, ether_type; + int32_t len2; + uint64_t ol_flags; + const struct rte_ether_hdr *eth; + + ol_flags = 0; + rxq = &qconf->rx_queue_list[queueid]; + + /* by default, send everything back to the source port */ + port_out = port_in; + + /* save ether type of the incoming packet */ + eth = rte_pktmbuf_mtod(m, const struct rte_ether_hdr *); + ether_type = eth->ether_type; + + /* Remove the Ethernet header and trailer from the input packet */ + rte_pktmbuf_adj(m, (uint16_t)sizeof(struct rte_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 rte_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 rte_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) == 0 && + (enabled_port_mask & 1 << next_hop) != 0) { + port_out = next_hop; + + /* 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); + + /* request HW to regenerate IPv4 cksum */ + ol_flags |= (PKT_TX_IPV4 | PKT_TX_IP_CKSUM); + + /* 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 rte_ipv6_hdr *ip_hdr; + + /* Read the lookup key (i.e. ip_dst) from the input packet */ + ip_hdr = rte_pktmbuf_mtod(m, struct rte_ipv6_hdr *); + + /* Find destination port */ + if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr, + &next_hop) == 0 && + (enabled_port_mask & 1 << next_hop) != 0) { + port_out = next_hop; + + /* 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 rte_ether_hdr *eth_hdr = (struct rte_ether_hdr *) + rte_pktmbuf_prepend(m, + (uint16_t)sizeof(struct rte_ether_hdr)); + if (eth_hdr == NULL) { + rte_panic("No headroom in mbuf.\n"); + } + + m->ol_flags |= ol_flags; + m->l2_len = sizeof(struct rte_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 */ + rte_ether_addr_copy(&ports_eth_addr[port_out], + ð_hdr->s_addr); + eth_hdr->ether_type = ether_type; + } + + 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(__rte_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; + 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_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, + 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 = 1; /* reset getopt lib */ + return ret; +} + +static void +print_ethaddr(const char *name, struct rte_ether_addr *eth_addr) +{ + char buf[RTE_ETHER_ADDR_FMT_SIZE]; + rte_ether_format_addr(buf, RTE_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; + int ret; + + 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)); + ret = rte_eth_link_get_nowait(portid, &link); + if (ret < 0) { + all_ports_up = 0; + if (print_flag == 1) + printf("Port %u link get failed: %s\n", + portid, rte_strerror(-ret)); + continue; + } + /* 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")); + 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"); + } + } +} + +/* Check L3 packet type detection capability of the NIC port */ +static int +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; + +} + +/* Parse packet type of a packet by SW */ +static inline void +parse_ptype(struct rte_mbuf *m) +{ + struct rte_ether_hdr *eth_hdr; + uint32_t packet_type = RTE_PTYPE_UNKNOWN; + uint16_t ether_type; + + eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *); + ether_type = eth_hdr->ether_type; + if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) + packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN; + else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6)) + packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN; + + m->packet_type = packet_type; +} + +/* callback function to detect packet type for a queue of a port */ +static uint16_t +cb_parse_ptype(uint16_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) +{ + uint16_t i; + + for (i = 0; i < nb_pkts; ++i) + parse_ptype(pkts[i]); + + return nb_pkts; +} + +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(buf, 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; + uint16_t nb_ports; + uint16_t queueid = 0; + 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, "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_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_conf local_port_conf = port_conf; + struct rte_eth_rxconf rxq_conf; + + /* 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]; + + /* limit the frame size to the maximum supported by NIC */ + ret = rte_eth_dev_info_get(portid, &dev_info); + if (ret != 0) + rte_exit(EXIT_FAILURE, + "Error during getting device (port %u) info: %s\n", + portid, strerror(-ret)); + + 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 = (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, + &local_port_conf); + if (ret < 0) { + printf("\n"); + rte_exit(EXIT_FAILURE, "Cannot configure device: " + "err=%d, port=%d\n", + ret, portid); + } + + /* set the mtu to the maximum received packet size */ + ret = rte_eth_dev_set_mtu(portid, + local_port_conf.rxmode.max_rx_pkt_len - MTU_OVERHEAD); + if (ret < 0) { + printf("\n"); + rte_exit(EXIT_FAILURE, "Set MTU failed: " + "err=%d, port=%d\n", + ret, portid); + } + + ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, + &nb_txd); + if (ret < 0) { + printf("\n"); + rte_exit(EXIT_FAILURE, "Cannot adjust number of " + "descriptors: 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, + 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); + } + + ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); + if (ret < 0) { + printf("\n"); + rte_exit(EXIT_FAILURE, + "rte_eth_macaddr_get: err=%d, port=%d\n", + ret, portid); + } + + print_ethaddr(" Address:", &ports_eth_addr[portid]); + printf("\n"); + + /* init one TX queue per couple (lcore,port) */ + ret = rte_eth_dev_info_get(portid, &dev_info); + if (ret != 0) + rte_exit(EXIT_FAILURE, + "Error during getting device (port %u) info: %s\n", + portid, strerror(-ret)); + + queueid = 0; + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + + if (queueid >= dev_info.nb_tx_queues) + break; + + socket = (int) rte_lcore_to_socket_id(lcore_id); + printf("txq=%u,%d ", lcore_id, queueid); + 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) { + 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 */ + 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); + + ret = rte_eth_promiscuous_enable(portid); + if (ret != 0) + rte_exit(EXIT_FAILURE, + "rte_eth_promiscuous_enable: err=%s, port=%d\n", + rte_strerror(-ret), portid); + + if (check_ptype(portid) == 0) { + rte_eth_add_rx_callback(portid, 0, cb_parse_ptype, NULL); + printf("Add Rx callback function to detect L3 packet type by SW :" + " port = %d\n", portid); + } + } + + if (init_routing_table() < 0) + rte_exit(EXIT_FAILURE, "Cannot init routing table\n"); + + check_all_ports_link_status(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; +} diff --git a/src/spdk/dpdk/examples/ip_fragmentation/meson.build b/src/spdk/dpdk/examples/ip_fragmentation/meson.build new file mode 100644 index 000000000..1230db477 --- /dev/null +++ b/src/spdk/dpdk/examples/ip_fragmentation/meson.build @@ -0,0 +1,13 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2017 Intel Corporation + +# meson file, for building this example as part of a main DPDK build. +# +# To build this example as a standalone application with an already-installed +# DPDK instance, use 'make' + +allow_experimental_apis = true +deps += ['ip_frag', 'lpm'] +sources = files( + 'main.c' +) |