X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fip_fragmentation%2Fmain.c;h=d071dae9c476cd0cc9c2f29bf35fec0756930d37;hb=35b2d13fd6fdcbd191f2a30d74648faeb1186c65;hp=eac5427c31f1140db266952fe5f789566d8906fd;hpb=98a1648109b8dbaa4e6b821c17d1f6bd86d33a9a;p=dpdk.git diff --git a/examples/ip_fragmentation/main.c b/examples/ip_fragmentation/main.c index eac5427c31..d071dae9c4 100644 --- a/examples/ip_fragmentation/main.c +++ b/examples/ip_fragmentation/main.c @@ -1,34 +1,5 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #include @@ -48,10 +19,7 @@ #include #include #include -#include -#include #include -#include #include #include #include @@ -60,12 +28,10 @@ #include #include #include -#include #include #include #include #include -#include #include #include #include @@ -77,8 +43,6 @@ #define RTE_LOGTYPE_IP_FRAG RTE_LOGTYPE_USER1 -#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) - /* allow max jumbo frame 9.5 KB */ #define JUMBO_FRAME_MAX_SIZE 0x2600 @@ -88,8 +52,16 @@ * 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 +#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. @@ -113,13 +85,13 @@ /* * Configurable number of RX/TX ring descriptors */ -#define RTE_TEST_RX_DESC_DEFAULT 128 -#define RTE_TEST_TX_DESC_DEFAULT 512 +#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]; +static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; #ifndef IPv4_BYTES #define IPv4_BYTES_FMT "%" PRIu8 ".%" PRIu8 ".%" PRIu8 ".%" PRIu8 @@ -159,7 +131,7 @@ struct rx_queue { struct rte_mempool *indirect_pool; struct rte_lpm *lpm; struct rte_lpm6 *lpm6; - uint8_t portid; + uint16_t portid; }; #define MAX_RX_QUEUE_PER_LCORE 16 @@ -172,18 +144,18 @@ struct lcore_queue_conf { } __rte_cache_aligned; struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; -static const struct rte_eth_conf port_conf = { +static 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 */ + .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), }, }; @@ -245,7 +217,7 @@ 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) +send_burst(struct lcore_queue_conf *qconf, uint16_t n, uint16_t port) { struct rte_mbuf **m_table; int ret; @@ -266,11 +238,12 @@ send_burst(struct lcore_queue_conf *qconf, uint16_t n, uint8_t port) static inline void l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf, - uint8_t queueid, uint8_t port_in) + uint8_t queueid, uint16_t port_in) { struct rx_queue *rxq; - uint32_t i, len; - uint8_t next_hop, port_out, ipv6; + uint32_t i, len, next_hop; + uint8_t ipv6; + uint16_t port_out; int32_t len2; ipv6 = 0; @@ -280,13 +253,13 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf, port_out = port_in; /* Remove the Ethernet header and trailer from the input packet */ - rte_pktmbuf_adj(m, (uint16_t)sizeof(struct ether_hdr)); + 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 (m->ol_flags & PKT_RX_IPV4_HDR) { + 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 */ @@ -320,9 +293,8 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf, if (unlikely (len2 < 0)) return; } - } - /* if this is an IPv6 packet */ - else if (m->ol_flags & PKT_RX_IPV6_HDR) { + } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) { + /* if this is an IPv6 packet */ struct ipv6_hdr *ip_hdr; ipv6 = 1; @@ -331,7 +303,8 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf, ip_hdr = rte_pktmbuf_mtod(m, struct ipv6_hdr *); /* Find destination port */ - if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr, &next_hop) == 0 && + if (rte_lpm6_lookup(rxq->lpm6, ip_hdr->dst_addr, + &next_hop) == 0 && (enabled_port_mask & 1 << next_hop) != 0) { port_out = next_hop; @@ -368,24 +341,28 @@ l3fwd_simple_forward(struct rte_mbuf *m, struct lcore_queue_conf *qconf, 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)); + 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->l2_len = sizeof(struct ether_hdr); + 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 */ - ether_addr_copy(&ports_eth_addr[port_out], ð_hdr->s_addr); + rte_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); + eth_hdr->ether_type = + rte_be_to_cpu_16(RTE_ETHER_TYPE_IPv6); else - eth_hdr->ether_type = rte_be_to_cpu_16(ETHER_TYPE_IPv4); + eth_hdr->ether_type = + rte_be_to_cpu_16(RTE_ETHER_TYPE_IPv4); } len += len2; @@ -408,7 +385,7 @@ main_loop(__attribute__((unused)) void *dummy) unsigned lcore_id; uint64_t prev_tsc, diff_tsc, cur_tsc; int i, j, nb_rx; - uint8_t portid; + 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; @@ -428,7 +405,7 @@ main_loop(__attribute__((unused)) void *dummy) portid = qconf->rx_queue_list[i].portid; RTE_LOG(INFO, IP_FRAG, " -- lcoreid=%u portid=%d\n", lcore_id, - (int) portid); + portid); } while (1) { @@ -591,32 +568,33 @@ parse_args(int argc, char **argv) argv[optind-1] = prgname; ret = optind-1; - optind = 0; /* reset getopt lib */ + optind = 1; /* reset getopt lib */ return ret; } static void -print_ethaddr(const char *name, struct ether_addr *eth_addr) +print_ethaddr(const char *name, struct rte_ether_addr *eth_addr) { - char buf[ETHER_ADDR_FMT_SIZE]; - ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, 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(uint8_t port_num, uint32_t port_mask) +check_all_ports_link_status(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; + 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; - for (portid = 0; portid < port_num; portid++) { + RTE_ETH_FOREACH_DEV(portid) { if ((port_mask & (1 << portid)) == 0) continue; memset(&link, 0, sizeof(link)); @@ -624,18 +602,17 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) /* 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, + 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", - (uint8_t)portid); + printf("Port %d Link Down\n", portid); continue; } /* clear all_ports_up flag if any link down */ - if (link.link_status == 0) { + if (link.link_status == ETH_LINK_DOWN) { all_ports_up = 0; break; } @@ -658,6 +635,74 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) } } +/* Check L3 packet type detection capablity 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) { @@ -725,6 +770,7 @@ init_mem(void) struct rte_mempool *mp; struct rte_lpm *lpm; struct rte_lpm6 *lpm6; + struct rte_lpm_config lpm_config; int socket; unsigned lcore_id; @@ -745,12 +791,8 @@ init_mem(void) socket); snprintf(buf, sizeof(buf), "pool_direct_%i", socket); - mp = rte_mempool_create(buf, NB_MBUF, - MBUF_SIZE, 32, - sizeof(struct rte_pktmbuf_pool_private), - rte_pktmbuf_pool_init, NULL, - rte_pktmbuf_init, NULL, - socket, 0); + 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; @@ -763,12 +805,8 @@ init_mem(void) socket); snprintf(buf, sizeof(buf), "pool_indirect_%i", socket); - mp = rte_mempool_create(buf, NB_MBUF, - sizeof(struct rte_mbuf), 32, - 0, - NULL, NULL, - rte_pktmbuf_init, NULL, - socket, 0); + 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; @@ -780,7 +818,11 @@ init_mem(void) RTE_LOG(INFO, IP_FRAG, "Creating LPM table on socket %i\n", socket); snprintf(buf, sizeof(buf), "IP_FRAG_LPM_%i", socket); - lpm = rte_lpm_create(buf, socket, LPM_MAX_RULES, 0); + 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; @@ -792,7 +834,7 @@ init_mem(void) 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); + lpm6 = rte_lpm6_create(buf, socket, &lpm6_config); if (lpm6 == NULL) { RTE_LOG(ERR, IP_FRAG, "Cannot create LPM table\n"); return -1; @@ -812,11 +854,11 @@ main(int argc, char **argv) struct rte_eth_txconf *txconf; struct rx_queue *rxq; int socket, ret; - unsigned nb_ports; + uint16_t nb_ports; uint16_t queueid = 0; unsigned lcore_id = 0, rx_lcore_id = 0; uint32_t n_tx_queue, nb_lcores; - uint8_t portid; + uint16_t portid; /* init EAL */ ret = rte_eal_init(argc, argv); @@ -830,10 +872,8 @@ main(int argc, char **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) + nb_ports = rte_eth_dev_count_avail(); + if (nb_ports == 0) rte_exit(EXIT_FAILURE, "No ports found!\n"); nb_lcores = rte_lcore_count(); @@ -847,7 +887,10 @@ main(int argc, char **argv) rte_exit(EXIT_FAILURE, "Non-existent ports in portmask!\n"); /* initialize all ports */ - for (portid = 0; portid < nb_ports; portid++) { + 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); @@ -856,6 +899,12 @@ main(int argc, char **argv) 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) { @@ -887,8 +936,11 @@ main(int argc, char **argv) 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; ret = rte_eth_dev_configure(portid, 1, (uint16_t)n_tx_queue, - &port_conf); + &local_port_conf); if (ret < 0) { printf("\n"); rte_exit(EXIT_FAILURE, "Cannot configure device: " @@ -896,9 +948,29 @@ main(int argc, char **argv) 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, NULL, + socket, &rxq_conf, socket_direct_pool[socket]); if (ret < 0) { printf("\n"); @@ -921,9 +993,8 @@ main(int argc, char **argv) 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; + txconf->offloads = local_port_conf.txmode.offloads; ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, socket, txconf); if (ret < 0) { @@ -943,7 +1014,7 @@ main(int argc, char **argv) printf("\n"); /* start ports */ - for (portid = 0; portid < nb_ports; portid++) { + RTE_ETH_FOREACH_DEV(portid) { if ((enabled_port_mask & (1 << portid)) == 0) { continue; } @@ -954,12 +1025,18 @@ main(int argc, char **argv) ret, portid); rte_eth_promiscuous_enable(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((uint8_t)nb_ports, enabled_port_mask); + 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);