X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fl2fwd%2Fmain.c;h=e4a4a7c36c5df2428c6e735ea97e2e81e6825c29;hb=282da936f9ecc7ea60a7f48729af97e25c447fe6;hp=21c7d115265ffa6718808099d007b0d9ec42a5ca;hpb=bacbf5ac505a3063943e83196f7332fc6436a09e;p=dpdk.git diff --git a/examples/l2fwd/main.c b/examples/l2fwd/main.c index 21c7d11526..e4a4a7c36c 100644 --- a/examples/l2fwd/main.c +++ b/examples/l2fwd/main.c @@ -46,8 +46,6 @@ static int mac_updating = 1; #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1 -#define NB_MBUF 8192 - #define MAX_PKT_BURST 32 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ #define MEMPOOL_CACHE_SIZE 256 @@ -55,8 +53,8 @@ static int mac_updating = 1; /* * 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; @@ -81,14 +79,11 @@ struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; static struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; -static const struct rte_eth_conf port_conf = { +static struct rte_eth_conf port_conf = { .rxmode = { .split_hdr_size = 0, - .header_split = 0, /**< Header Split disabled */ - .hw_ip_checksum = 0, /**< IP checksum offload disabled */ - .hw_vlan_filter = 0, /**< VLAN filtering disabled */ - .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ - .hw_strip_crc = 1, /**< CRC stripped by hardware */ + .ignore_offload_bitfield = 1, + .offloads = DEV_RX_OFFLOAD_CRC_STRIP, }, .txmode = { .mq_mode = ETH_MQ_TX_NONE, @@ -526,6 +521,8 @@ main(int argc, char **argv) uint16_t portid, last_port; unsigned lcore_id, rx_lcore_id; unsigned nb_ports_in_mask = 0; + unsigned int nb_lcores = 0; + unsigned int nb_mbufs; /* init EAL */ ret = rte_eal_init(argc, argv); @@ -548,17 +545,15 @@ main(int argc, char **argv) /* convert to number of cycles */ timer_period *= rte_get_timer_hz(); - /* create the mbuf pool */ - l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, - MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, - rte_socket_id()); - if (l2fwd_pktmbuf_pool == NULL) - rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); - nb_ports = rte_eth_dev_count(); if (nb_ports == 0) rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); + /* check port mask to possible port mask */ + if (l2fwd_enabled_port_mask & ~((1 << nb_ports) - 1)) + rte_exit(EXIT_FAILURE, "Invalid portmask; possible (0x%x)\n", + (1 << nb_ports) - 1); + /* reset l2fwd_dst_ports */ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) l2fwd_dst_ports[portid] = 0; @@ -604,9 +599,11 @@ main(int argc, char **argv) rte_exit(EXIT_FAILURE, "Not enough cores\n"); } - if (qconf != &lcore_queue_conf[rx_lcore_id]) + if (qconf != &lcore_queue_conf[rx_lcore_id]) { /* Assigned a new logical core in the loop above. */ qconf = &lcore_queue_conf[rx_lcore_id]; + nb_lcores++; + } qconf->rx_port_list[qconf->n_rx_port] = portid; qconf->n_rx_port++; @@ -615,8 +612,23 @@ main(int argc, char **argv) nb_ports_available = nb_ports; + nb_mbufs = RTE_MAX(nb_ports * (nb_rxd + nb_txd + MAX_PKT_BURST + + nb_lcores * MEMPOOL_CACHE_SIZE), 8192U); + + /* create the mbuf pool */ + l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs, + MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, + rte_socket_id()); + if (l2fwd_pktmbuf_pool == NULL) + rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); + /* Initialise each port */ for (portid = 0; portid < nb_ports; portid++) { + struct rte_eth_rxconf rxq_conf; + struct rte_eth_txconf txq_conf; + struct rte_eth_conf local_port_conf = port_conf; + struct rte_eth_dev_info dev_info; + /* skip ports that are not enabled */ if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) { printf("Skipping disabled port %u\n", portid); @@ -626,7 +638,11 @@ main(int argc, char **argv) /* init port */ printf("Initializing port %u... ", portid); fflush(stdout); - ret = rte_eth_dev_configure(portid, 1, 1, &port_conf); + rte_eth_dev_info_get(portid, &dev_info); + 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, 1, &local_port_conf); if (ret < 0) rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", ret, portid); @@ -642,9 +658,11 @@ main(int argc, char **argv) /* init one RX queue */ fflush(stdout); + rxq_conf = dev_info.default_rxconf; + rxq_conf.offloads = local_port_conf.rxmode.offloads; ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, rte_eth_dev_socket_id(portid), - NULL, + &rxq_conf, l2fwd_pktmbuf_pool); if (ret < 0) rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", @@ -652,9 +670,12 @@ main(int argc, char **argv) /* init one TX queue on each port */ fflush(stdout); + txq_conf = dev_info.default_txconf; + txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE; + txq_conf.offloads = local_port_conf.txmode.offloads; ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, rte_eth_dev_socket_id(portid), - NULL); + &txq_conf); if (ret < 0) rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", ret, portid);