X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fl3fwd-vf%2Fmain.c;h=34e4a6bef25e84c635c218822560fd06f56cf6fd;hb=ff7a61911825896e82cadb2aaabae463388cbeb0;hp=22bc388b985ecaf85368253ebfc418453a9aed79;hpb=5c95261dbf79b5b03314b5477a3f3088a6934796;p=dpdk.git diff --git a/examples/l3fwd-vf/main.c b/examples/l3fwd-vf/main.c index 22bc388b98..34e4a6bef2 100644 --- a/examples/l3fwd-vf/main.c +++ b/examples/l3fwd-vf/main.c @@ -1,35 +1,34 @@ /*- * BSD LICENSE - * - * Copyright(c) 2010-2013 Intel Corporation. All rights reserved. + * + * 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 + * + * 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 + * + * * 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 + * * 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 + * * 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 + * + * 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 @@ -42,6 +41,7 @@ #include #include #include +#include #include #include @@ -49,11 +49,10 @@ #include #include #include -#include #include -#include #include #include +#include #include #include #include @@ -65,7 +64,6 @@ #include #include #include -#include #include #include #include @@ -73,8 +71,6 @@ #include #include -#include "main.h" - #define APP_LOOKUP_EXACT_MATCH 0 #define APP_LOOKUP_LPM 1 #define DO_RFC_1812_CHECKS @@ -94,8 +90,20 @@ #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1 -#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) -#define NB_MBUF 8192 +#define MEMPOOL_CACHE_SIZE 256 + +/* + * This expression is used to calculate the number of mbufs needed depending on user input, taking + * into account memory for rx and tx hardware rings, cache per lcore and mtable per port per lcore. + * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum value of 8192 + */ + +#define NB_MBUF RTE_MAX ( \ + (nb_ports*nb_rx_queue*nb_rxd + \ + nb_ports*nb_lcores*MAX_PKT_BURST + \ + nb_ports*n_tx_queue*nb_txd + \ + nb_lcores*MEMPOOL_CACHE_SIZE), \ + (unsigned)8192) /* * RX and TX Prefetch, Host, and Write-back threshold values should be @@ -181,6 +189,8 @@ static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) / static struct rte_eth_conf port_conf = { .rxmode = { + .mq_mode = ETH_MQ_RX_RSS, + .max_rx_pkt_len = ETHER_MAX_LEN, .split_hdr_size = 0, .header_split = 0, /**< Header Split disabled */ .hw_ip_checksum = 1, /**< IP checksum offload enabled */ @@ -191,7 +201,7 @@ static struct rte_eth_conf port_conf = { .rx_adv_conf = { .rss_conf = { .rss_key = NULL, - .rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV6, + .rss_hf = ETH_RSS_IP, }, }, .txmode = { @@ -199,30 +209,12 @@ static struct rte_eth_conf port_conf = { }, }; -static const struct rte_eth_rxconf rx_conf = { - .rx_thresh = { - .pthresh = RX_PTHRESH, - .hthresh = RX_HTHRESH, - .wthresh = RX_WTHRESH, - }, -}; - -static const struct rte_eth_txconf tx_conf = { - .tx_thresh = { - .pthresh = TX_PTHRESH, - .hthresh = TX_HTHRESH, - .wthresh = TX_WTHRESH, - }, - .tx_free_thresh = 0, /* Use PMD default values */ - .tx_rs_thresh = 0, /* Use PMD default values */ -}; - static struct rte_mempool * pktmbuf_pool[NB_SOCKETS]; #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) -#ifdef RTE_MACHINE_CPUFLAG_SSE4_2 +#ifdef RTE_ARCH_X86 #include #define DEFAULT_HASH_FUNC rte_hash_crc #else @@ -257,7 +249,6 @@ static lookup_struct_t *l3fwd_lookup_struct[NB_SOCKETS]; struct rte_hash_parameters l3fwd_hash_params = { .name = "l3fwd_hash_0", .entries = L3FWD_HASH_ENTRIES, - .bucket_entries = 4, .key_len = sizeof(struct ipv4_5tuple), .hash_func = DEFAULT_HASH_FUNC, .hash_func_init_val = 0, @@ -306,7 +297,7 @@ struct lcore_conf { } __rte_cache_aligned; static struct lcore_conf lcore_conf[RTE_MAX_LCORE]; - +static rte_spinlock_t spinlock_conf[RTE_MAX_ETHPORTS] = {RTE_SPINLOCK_INITIALIZER}; /* Send burst of packets on an output interface */ static inline int send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port) @@ -318,7 +309,10 @@ send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port) queueid = qconf->tx_queue_id; m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; + rte_spinlock_lock(&spinlock_conf[port]); ret = rte_eth_tx_burst(port, queueid, m_table, n); + rte_spinlock_unlock(&spinlock_conf[port]); + if (unlikely(ret < n)) { do { rte_pktmbuf_free(m_table[ret]); @@ -444,7 +438,7 @@ get_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid, lookup_struct_t * l3fwd static inline uint8_t get_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid, lookup_struct_t * l3fwd_lookup_struct) { - uint8_t next_hop; + uint32_t next_hop; return (uint8_t) ((rte_lpm_lookup(l3fwd_lookup_struct, rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)? @@ -462,12 +456,12 @@ l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid, lookup_struct_t * l3fwd eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *); - ipv4_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, unsigned char *) + - sizeof(struct ether_hdr)); + ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *, + sizeof(struct ether_hdr)); #ifdef DO_RFC_1812_CHECKS /* Check to make sure the packet is valid (RFC1812) */ - if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt.pkt_len) < 0) { + if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) { rte_pktmbuf_free(m); return; } @@ -495,7 +489,7 @@ l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid, lookup_struct_t * l3fwd } /* main processing loop */ -static __attribute__((noreturn)) int +static int main_loop(__attribute__((unused)) void *dummy) { struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; @@ -513,7 +507,7 @@ main_loop(__attribute__((unused)) void *dummy) if (qconf->n_rx_queue == 0) { RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id); - while(1); + return 0; } RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id); @@ -678,6 +672,24 @@ print_usage(const char *prgname) prgname); } +/* Custom handling of signals to handle process terminal */ +static void +signal_handler(int signum) +{ + uint8_t portid; + uint8_t nb_ports = rte_eth_dev_count(); + + /* When we receive a SIGINT signal */ + if (signum == SIGINT) { + for (portid = 0; portid < nb_ports; portid++) { + /* skip ports that are not enabled */ + if ((enabled_port_mask & (1 << portid)) == 0) + continue; + rte_eth_dev_close(portid); + } + } + rte_exit(EXIT_SUCCESS, "\n User forced exit\n"); +} static int parse_portmask(const char *portmask) { @@ -723,7 +735,7 @@ parse_config(const char *q_arg) if(size >= sizeof(s)) return -1; - rte_snprintf(s, sizeof(s), "%.*s", size, p); + 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++){ @@ -803,20 +815,16 @@ 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, const struct ether_addr *eth_addr) { - printf ("%s%02X:%02X:%02X:%02X:%02X:%02X", name, - eth_addr->addr_bytes[0], - eth_addr->addr_bytes[1], - eth_addr->addr_bytes[2], - eth_addr->addr_bytes[3], - eth_addr->addr_bytes[4], - eth_addr->addr_bytes[5]); + char buf[ETHER_ADDR_FMT_SIZE]; + ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); + printf("%s%s", name, buf); } #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) @@ -828,7 +836,7 @@ setup_hash(int socketid) char s[64]; /* create hashes */ - rte_snprintf(s, sizeof(s), "l3fwd_hash_%d", socketid); + snprintf(s, sizeof(s), "l3fwd_hash_%d", socketid); l3fwd_hash_params.name = s; l3fwd_hash_params.socket_id = socketid; l3fwd_lookup_struct[socketid] = rte_hash_create(&l3fwd_hash_params); @@ -859,10 +867,16 @@ setup_lpm(int socketid) int ret; char s[64]; + struct rte_lpm_config lpm_ipv4_config; + + lpm_ipv4_config.max_rules = L3FWD_LPM_MAX_RULES; + lpm_ipv4_config.number_tbl8s = 256; + lpm_ipv4_config.flags = 0; + /* create the LPM table */ - rte_snprintf(s, sizeof(s), "L3FWD_LPM_%d", socketid); - l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid, - L3FWD_LPM_MAX_RULES, 0); + snprintf(s, sizeof(s), "L3FWD_LPM_%d", socketid); + l3fwd_lookup_struct[socketid] = + rte_lpm_create(s, socketid, &lpm_ipv4_config); if (l3fwd_lookup_struct[socketid] == NULL) rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table" " on socket %d\n", socketid); @@ -889,7 +903,7 @@ setup_lpm(int socketid) #endif static int -init_mem(void) +init_mem(unsigned nb_mbuf) { struct lcore_conf *qconf; int socketid; @@ -910,13 +924,10 @@ init_mem(void) socketid, lcore_id, NB_SOCKETS); } if (pktmbuf_pool[socketid] == NULL) { - rte_snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); - pktmbuf_pool[socketid] = - rte_mempool_create(s, NB_MBUF, MBUF_SIZE, 32, - sizeof(struct rte_pktmbuf_pool_private), - rte_pktmbuf_pool_init, NULL, - rte_pktmbuf_init, NULL, - socketid, 0); + snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); + pktmbuf_pool[socketid] = rte_pktmbuf_pool_create(s, + nb_mbuf, MEMPOOL_CACHE_SIZE, 0, + RTE_MBUF_DEFAULT_BUF_SIZE, socketid); if (pktmbuf_pool[socketid] == NULL) rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d\n", socketid); else @@ -935,15 +946,20 @@ init_mem(void) } int -MAIN(int argc, char **argv) +main(int argc, char **argv) { struct lcore_conf *qconf; + struct rte_eth_dev_info dev_info; + struct rte_eth_txconf *txconf; int ret; unsigned nb_ports; uint16_t queueid; unsigned lcore_id; + uint32_t nb_lcores; + uint16_t n_tx_queue; uint8_t portid, nb_rx_queue, queue, socketid; + signal(SIGINT, signal_handler); /* init EAL */ ret = rte_eal_init(argc, argv); if (ret < 0) @@ -963,24 +979,13 @@ MAIN(int argc, char **argv) if (ret < 0) rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n"); - ret = init_mem(); - if (ret < 0) - rte_exit(EXIT_FAILURE, "init_mem failed\n"); - - /* init driver */ - if (rte_pmd_init_all() < 0) - rte_exit(EXIT_FAILURE, "Cannot init pmd\n"); - - if (rte_eal_pci_probe() < 0) - rte_exit(EXIT_FAILURE, "Cannot probe PCI\n"); - 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_exit(EXIT_FAILURE, "check_port_config failed\n"); + nb_lcores = rte_lcore_count(); + /* initialize all ports */ for (portid = 0; portid < nb_ports; portid++) { /* skip ports that are not enabled */ @@ -995,25 +1000,42 @@ MAIN(int argc, char **argv) /* must always equal(=1) */ nb_rx_queue = get_port_n_rx_queues(portid); + n_tx_queue = MAX_TX_QUEUE_PER_PORT; printf("Creating queues: nb_rxq=%d nb_txq=%u... ", nb_rx_queue, (unsigned)1 ); - ret = rte_eth_dev_configure(portid, nb_rx_queue, 1, &port_conf); + ret = rte_eth_dev_configure(portid, nb_rx_queue, n_tx_queue, &port_conf); if (ret < 0) rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n", ret, portid); + 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); + rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); print_ethaddr(" Address:", &ports_eth_addr[portid]); printf(", "); + ret = init_mem(NB_MBUF); + if (ret < 0) + rte_exit(EXIT_FAILURE, "init_mem failed\n"); + /* init one TX queue */ - socketid = 0; + socketid = (uint8_t)rte_lcore_to_socket_id(rte_get_master_lcore()); - printf("txq=%d,%d ", 0, socketid); + printf("txq=%d,%d,%d ", portid, 0, socketid); fflush(stdout); + + rte_eth_dev_info_get(portid, &dev_info); + txconf = &dev_info.default_txconf; + if (port_conf.rxmode.jumbo_frame) + txconf->txq_flags = 0; ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, - socketid, &tx_conf); + socketid, txconf); if (ret < 0) rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, " "port=%d\n", ret, portid); @@ -1043,7 +1065,8 @@ MAIN(int argc, char **argv) fflush(stdout); ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, - socketid, &rx_conf, pktmbuf_pool[socketid]); + socketid, NULL, + pktmbuf_pool[socketid]); if (ret < 0) rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d," "port=%d\n", ret, portid);