/*- * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "crypto.h" #define NB_MBUF (32 * 1024) #define MAX_PKT_BURST 32 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ #define TX_QUEUE_FLUSH_MASK 0xFFFFFFFF #define TSC_COUNT_LIMIT 1000 #define ACTION_ENCRYPT 1 #define ACTION_DECRYPT 2 /* * 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]; /* mask of enabled ports */ static unsigned enabled_port_mask = 0; static int promiscuous_on = 1; /**< Ports set in promiscuous mode on by default. */ /* list of enabled ports */ static uint32_t dst_ports[RTE_MAX_ETHPORTS]; struct mbuf_table { uint16_t len; struct rte_mbuf *m_table[MAX_PKT_BURST]; }; struct lcore_rx_queue { uint8_t port_id; uint8_t queue_id; }; #define MAX_RX_QUEUE_PER_LCORE 16 #define MAX_LCORE_PARAMS 1024 struct lcore_params { uint8_t port_id; uint8_t queue_id; uint8_t lcore_id; }; static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS]; static struct lcore_params lcore_params_array_default[] = { {0, 0, 2}, {0, 1, 2}, {0, 2, 2}, {1, 0, 2}, {1, 1, 2}, {1, 2, 2}, {2, 0, 2}, {3, 0, 3}, {3, 1, 3}, }; static struct lcore_params * lcore_params = lcore_params_array_default; static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) / sizeof(lcore_params_array_default[0]); static struct rte_eth_conf port_conf = { .rxmode = { .mq_mode = ETH_MQ_RX_RSS, .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 = 0, /**< Jumbo Frame Support disabled */ .hw_strip_crc = 0, /**< CRC stripped by hardware */ }, .rx_adv_conf = { .rss_conf = { .rss_key = NULL, .rss_hf = ETH_RSS_IP, }, }, .txmode = { .mq_mode = ETH_MQ_TX_NONE, }, }; static struct rte_mempool * pktmbuf_pool[RTE_MAX_NUMA_NODES]; struct lcore_conf { uint64_t tsc; uint64_t tsc_count; uint32_t tx_mask; uint16_t n_rx_queue; uint16_t rx_queue_list_pos; struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE]; uint16_t tx_queue_id[RTE_MAX_ETHPORTS]; struct mbuf_table rx_mbuf; uint32_t rx_mbuf_pos; uint32_t rx_curr_queue; struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS]; } __rte_cache_aligned; static struct lcore_conf lcore_conf[RTE_MAX_LCORE]; static inline struct rte_mbuf * nic_rx_get_packet(struct lcore_conf *qconf) { struct rte_mbuf *pkt; if (unlikely(qconf->n_rx_queue == 0)) return NULL; /* Look for the next queue with packets; return if none */ if (unlikely(qconf->rx_mbuf_pos == qconf->rx_mbuf.len)) { uint32_t i; qconf->rx_mbuf_pos = 0; for (i = 0; i < qconf->n_rx_queue; i++) { qconf->rx_mbuf.len = rte_eth_rx_burst( qconf->rx_queue_list[qconf->rx_curr_queue].port_id, qconf->rx_queue_list[qconf->rx_curr_queue].queue_id, qconf->rx_mbuf.m_table, MAX_PKT_BURST); qconf->rx_curr_queue++; if (unlikely(qconf->rx_curr_queue == qconf->n_rx_queue)) qconf->rx_curr_queue = 0; if (likely(qconf->rx_mbuf.len > 0)) break; } if (unlikely(i == qconf->n_rx_queue)) return NULL; } /* Get the next packet from the current queue; if last packet, go to next queue */ pkt = qconf->rx_mbuf.m_table[qconf->rx_mbuf_pos]; qconf->rx_mbuf_pos++; return pkt; } static inline void nic_tx_flush_queues(struct lcore_conf *qconf) { uint8_t portid; for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { struct rte_mbuf **m_table = NULL; uint16_t queueid, len; uint32_t n, i; if (likely((qconf->tx_mask & (1 << portid)) == 0)) continue; len = qconf->tx_mbufs[portid].len; if (likely(len == 0)) continue; queueid = qconf->tx_queue_id[portid]; m_table = qconf->tx_mbufs[portid].m_table; n = rte_eth_tx_burst(portid, queueid, m_table, len); for (i = n; i < len; i++){ rte_pktmbuf_free(m_table[i]); } qconf->tx_mbufs[portid].len = 0; } qconf->tx_mask = TX_QUEUE_FLUSH_MASK; } static inline void nic_tx_send_packet(struct rte_mbuf *pkt, uint8_t port) { struct lcore_conf *qconf; uint32_t lcoreid; uint16_t len; if (unlikely(pkt == NULL)) { return; } lcoreid = rte_lcore_id(); qconf = &lcore_conf[lcoreid]; len = qconf->tx_mbufs[port].len; qconf->tx_mbufs[port].m_table[len] = pkt; len++; /* enough pkts to be sent */ if (unlikely(len == MAX_PKT_BURST)) { uint32_t n, i; uint16_t queueid; queueid = qconf->tx_queue_id[port]; n = rte_eth_tx_burst(port, queueid, qconf->tx_mbufs[port].m_table, MAX_PKT_BURST); for (i = n; i < MAX_PKT_BURST; i++){ rte_pktmbuf_free(qconf->tx_mbufs[port].m_table[i]); } qconf->tx_mask &= ~(1 << port); len = 0; } qconf->tx_mbufs[port].len = len; } /* main processing loop */ static __attribute__((noreturn)) int main_loop(__attribute__((unused)) void *dummy) { uint32_t lcoreid; struct lcore_conf *qconf; const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; lcoreid = rte_lcore_id(); qconf = &lcore_conf[lcoreid]; printf("Thread %u starting...\n", lcoreid); for (;;) { struct rte_mbuf *pkt; uint32_t pkt_from_nic_rx = 0; uint8_t port; /* Flush TX queues */ qconf->tsc_count++; if (unlikely(qconf->tsc_count == TSC_COUNT_LIMIT)) { uint64_t tsc, diff_tsc; tsc = rte_rdtsc(); diff_tsc = tsc - qconf->tsc; if (unlikely(diff_tsc > drain_tsc)) { nic_tx_flush_queues(qconf); crypto_flush_tx_queue(lcoreid); qconf->tsc = tsc; } qconf->tsc_count = 0; } /* * Check the Intel QuickAssist queues first * ***/ pkt = (struct rte_mbuf *) crypto_get_next_response(); if (pkt == NULL) { pkt = nic_rx_get_packet(qconf); pkt_from_nic_rx = 1; } if (pkt == NULL) continue; /* Send packet to either QAT encrypt, QAT decrypt or NIC TX */ if (pkt_from_nic_rx) { struct ipv4_hdr *ip = rte_pktmbuf_mtod_offset(pkt, struct ipv4_hdr *, sizeof(struct ether_hdr)); if (ip->src_addr & rte_cpu_to_be_32(ACTION_ENCRYPT)) { if (CRYPTO_RESULT_FAIL == crypto_encrypt(pkt, (enum cipher_alg)((ip->src_addr >> 16) & 0xFF), (enum hash_alg)((ip->src_addr >> 8) & 0xFF))) rte_pktmbuf_free(pkt); continue; } if (ip->src_addr & rte_cpu_to_be_32(ACTION_DECRYPT)) { if(CRYPTO_RESULT_FAIL == crypto_decrypt(pkt, (enum cipher_alg)((ip->src_addr >> 16) & 0xFF), (enum hash_alg)((ip->src_addr >> 8) & 0xFF))) rte_pktmbuf_free(pkt); continue; } } port = dst_ports[pkt->port]; /* Transmit the packet */ nic_tx_send_packet(pkt, (uint8_t)port); } } static inline unsigned get_port_max_rx_queues(uint8_t port_id) { struct rte_eth_dev_info dev_info; rte_eth_dev_info_get(port_id, &dev_info); return dev_info.max_rx_queues; } static inline unsigned get_port_max_tx_queues(uint8_t port_id) { struct rte_eth_dev_info dev_info; rte_eth_dev_info_get(port_id, &dev_info); return dev_info.max_tx_queues; } static int check_lcore_params(void) { uint16_t i; for (i = 0; i < nb_lcore_params; ++i) { if (lcore_params[i].queue_id >= get_port_max_rx_queues(lcore_params[i].port_id)) { printf("invalid queue number: %hhu\n", lcore_params[i].queue_id); return -1; } if (!rte_lcore_is_enabled(lcore_params[i].lcore_id)) { printf("error: lcore %hhu is not enabled in lcore mask\n", lcore_params[i].lcore_id); return -1; } } return 0; } static int check_port_config(const unsigned nb_ports) { unsigned portid; uint16_t i; for (i = 0; i < nb_lcore_params; ++i) { portid = lcore_params[i].port_id; if ((enabled_port_mask & (1 << portid)) == 0) { printf("port %u is not enabled in port mask\n", portid); return -1; } if (portid >= nb_ports) { printf("port %u is not present on the board\n", portid); return -1; } } return 0; } static uint8_t get_port_n_rx_queues(const uint8_t port) { int queue = -1; uint16_t i; for (i = 0; i < nb_lcore_params; ++i) { if (lcore_params[i].port_id == port && lcore_params[i].queue_id > queue) queue = lcore_params[i].queue_id; } return (uint8_t)(++queue); } static int init_lcore_rx_queues(void) { uint16_t i, nb_rx_queue; uint8_t lcore; for (i = 0; i < nb_lcore_params; ++i) { lcore = lcore_params[i].lcore_id; nb_rx_queue = lcore_conf[lcore].n_rx_queue; if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { printf("error: too many queues (%u) for lcore: %u\n", (unsigned)nb_rx_queue + 1, (unsigned)lcore); return -1; } lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id = lcore_params[i].port_id; lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id = lcore_params[i].queue_id; lcore_conf[lcore].n_rx_queue++; } return 0; } /* display usage */ static void print_usage(const char *prgname) { printf ("%s [EAL options] -- -p PORTMASK [--no-promisc]" " [--config '(port,queue,lcore)[,(port,queue,lcore)]'\n" " -p PORTMASK: hexadecimal bitmask of ports to configure\n" " --no-promisc: disable promiscuous mode (default is ON)\n" " --config '(port,queue,lcore)': rx queues configuration\n", prgname); } static unsigned parse_portmask(const char *portmask) { char *end = NULL; unsigned pm; /* parse hexadecimal string */ pm = strtoul(portmask, &end, 16); if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) return 0; return pm; } static int parse_config(const char *q_arg) { char s[256]; const char *p, *p_end = q_arg; char *end; enum fieldnames { FLD_PORT = 0, FLD_QUEUE, FLD_LCORE, _NUM_FLD }; unsigned long int_fld[_NUM_FLD]; char *str_fld[_NUM_FLD]; int i; unsigned size; nb_lcore_params = 0; while ((p = strchr(p_end,'(')) != NULL) { if (nb_lcore_params >= MAX_LCORE_PARAMS) { printf("exceeded max number of lcore params: %hu\n", nb_lcore_params); return -1; } ++p; if((p_end = strchr(p,')')) == NULL) return -1; size = p_end - p; if(size >= sizeof(s)) return -1; snprintf(s, sizeof(s), "%.*s", size, p); if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD) return -1; for (i = 0; i < _NUM_FLD; i++) { errno = 0; int_fld[i] = strtoul(str_fld[i], &end, 0); if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) return -1; } lcore_params_array[nb_lcore_params].port_id = (uint8_t)int_fld[FLD_PORT]; lcore_params_array[nb_lcore_params].queue_id = (uint8_t)int_fld[FLD_QUEUE]; lcore_params_array[nb_lcore_params].lcore_id = (uint8_t)int_fld[FLD_LCORE]; ++nb_lcore_params; } lcore_params = lcore_params_array; return 0; } /* 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[] = { {"config", 1, 0, 0}, {"no-promisc", 0, 0, 0}, {NULL, 0, 0, 0} }; argvopt = argv; while ((opt = getopt_long(argc, argvopt, "p:", 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; /* long options */ case 0: if (strcmp(lgopts[option_index].name, "config") == 0) { ret = parse_config(optarg); if (ret) { printf("invalid config\n"); print_usage(prgname); return -1; } } if (strcmp(lgopts[option_index].name, "no-promisc") == 0) { printf("Promiscuous mode disabled\n"); promiscuous_on = 0; } break; 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, 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); } static int init_mem(void) { int socketid; unsigned lcoreid; char s[64]; RTE_LCORE_FOREACH(lcoreid) { socketid = rte_lcore_to_socket_id(lcoreid); if (socketid >= RTE_MAX_NUMA_NODES) { printf("Socket %d of lcore %u is out of range %d\n", socketid, lcoreid, RTE_MAX_NUMA_NODES); return -1; } if (pktmbuf_pool[socketid] == NULL) { snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); pktmbuf_pool[socketid] = rte_pktmbuf_pool_create(s, NB_MBUF, 32, 0, RTE_MBUF_DEFAULT_BUF_SIZE, socketid); if (pktmbuf_pool[socketid] == NULL) { printf("Cannot init mbuf pool on socket %d\n", socketid); return -1; } printf("Allocated mbuf pool on socket %d\n", socketid); } } return 0; } int main(int argc, char **argv) { struct lcore_conf *qconf; struct rte_eth_link link; int ret; unsigned nb_ports; uint16_t queueid; unsigned lcoreid; uint32_t nb_tx_queue; uint8_t portid, nb_rx_queue, queue, socketid, last_port; unsigned nb_ports_in_mask = 0; /* init EAL */ ret = rte_eal_init(argc, argv); if (ret < 0) return -1; argc -= ret; argv += ret; /* parse application arguments (after the EAL ones) */ ret = parse_args(argc, argv); if (ret < 0) return -1; if (check_lcore_params() < 0) rte_panic("check_lcore_params failed\n"); ret = init_lcore_rx_queues(); if (ret < 0) return -1; ret = init_mem(); if (ret < 0) return -1; nb_ports = rte_eth_dev_count(); if (nb_ports > RTE_MAX_ETHPORTS) nb_ports = RTE_MAX_ETHPORTS; if (check_port_config(nb_ports) < 0) rte_panic("check_port_config failed\n"); /* reset dst_ports */ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) dst_ports[portid] = 0; last_port = 0; /* * Each logical core is assigned a dedicated TX queue on each port. */ for (portid = 0; portid < nb_ports; portid++) { /* skip ports that are not enabled */ if ((enabled_port_mask & (1 << portid)) == 0) continue; if (nb_ports_in_mask % 2) { dst_ports[portid] = last_port; dst_ports[last_port] = portid; } else last_port = portid; nb_ports_in_mask++; } if (nb_ports_in_mask % 2) { printf("Notice: odd number of ports in portmask.\n"); dst_ports[last_port] = last_port; } /* initialize all ports */ for (portid = 0; portid < nb_ports; portid++) { /* skip ports that are not enabled */ if ((enabled_port_mask & (1 << portid)) == 0) { printf("\nSkipping disabled port %d\n", portid); continue; } /* init port */ printf("Initializing port %d ... ", portid ); fflush(stdout); nb_rx_queue = get_port_n_rx_queues(portid); if (nb_rx_queue > get_port_max_rx_queues(portid)) rte_panic("Number of rx queues %d exceeds max number of rx queues %u" " for port %d\n", nb_rx_queue, get_port_max_rx_queues(portid), portid); nb_tx_queue = rte_lcore_count(); if (nb_tx_queue > get_port_max_tx_queues(portid)) rte_panic("Number of lcores %u exceeds max number of tx queues %u" " for port %d\n", nb_tx_queue, get_port_max_tx_queues(portid), portid); printf("Creating queues: nb_rxq=%d nb_txq=%u... ", nb_rx_queue, (unsigned)nb_tx_queue ); ret = rte_eth_dev_configure(portid, nb_rx_queue, (uint16_t)nb_tx_queue, &port_conf); if (ret < 0) rte_panic("Cannot configure device: err=%d, port=%d\n", ret, portid); rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); print_ethaddr(" Address:", &ports_eth_addr[portid]); printf(", "); /* init one TX queue per couple (lcore,port) */ queueid = 0; RTE_LCORE_FOREACH(lcoreid) { socketid = (uint8_t)rte_lcore_to_socket_id(lcoreid); printf("txq=%u,%d,%d ", lcoreid, queueid, socketid); fflush(stdout); ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, socketid, NULL); if (ret < 0) rte_panic("rte_eth_tx_queue_setup: err=%d, " "port=%d\n", ret, portid); qconf = &lcore_conf[lcoreid]; qconf->tx_queue_id[portid] = queueid; queueid++; } printf("\n"); } RTE_LCORE_FOREACH(lcoreid) { qconf = &lcore_conf[lcoreid]; printf("\nInitializing rx queues on lcore %u ... ", lcoreid ); fflush(stdout); /* init RX queues */ for(queue = 0; queue < qconf->n_rx_queue; ++queue) { portid = qconf->rx_queue_list[queue].port_id; queueid = qconf->rx_queue_list[queue].queue_id; socketid = (uint8_t)rte_lcore_to_socket_id(lcoreid); printf("rxq=%d,%d,%d ", portid, queueid, socketid); fflush(stdout); ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, socketid, NULL, pktmbuf_pool[socketid]); if (ret < 0) rte_panic("rte_eth_rx_queue_setup: err=%d," "port=%d\n", ret, portid); } } 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_panic("rte_eth_dev_start: err=%d, port=%d\n", ret, portid); printf("done: Port %d ", portid); /* get link status */ rte_eth_link_get(portid, &link); if (link.link_status) printf(" Link Up - speed %u Mbps - %s\n", (unsigned) link.link_speed, (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? ("full-duplex") : ("half-duplex\n")); else printf(" Link Down\n"); /* * If enabled, put device in promiscuous mode. * This allows IO forwarding mode to forward packets * to itself through 2 cross-connected ports of the * target machine. */ if (promiscuous_on) rte_eth_promiscuous_enable(portid); } printf("Crypto: Initializing Crypto...\n"); if (crypto_init() != 0) return -1; RTE_LCORE_FOREACH(lcoreid) { if (per_core_crypto_init(lcoreid) != 0) { printf("Crypto: Cannot init lcore crypto on lcore %u\n", (unsigned)lcoreid); return -1; } } printf("Crypto: Initialization complete\n"); /* launch per-lcore init on every lcore */ rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER); RTE_LCORE_FOREACH_SLAVE(lcoreid) { if (rte_eal_wait_lcore(lcoreid) < 0) return -1; } return 0; }