X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fskeleton%2Fbasicfwd.c;h=a8a8e98f07f2882b621a5dabda9e7eb1b1940af2;hb=35b2d13fd6fdcbd191f2a30d74648faeb1186c65;hp=c37671cfff9da1b7bc3c9812e39dba5eeb320c25;hpb=3998e2a07220844d3f3c17f76a781ced3efe0de0;p=dpdk.git diff --git a/examples/skeleton/basicfwd.c b/examples/skeleton/basicfwd.c index c37671cfff..a8a8e98f07 100644 --- a/examples/skeleton/basicfwd.c +++ b/examples/skeleton/basicfwd.c @@ -10,15 +10,17 @@ #include #include -#define RX_RING_SIZE 128 -#define TX_RING_SIZE 512 +#define RX_RING_SIZE 1024 +#define TX_RING_SIZE 1024 #define NUM_MBUFS 8191 #define MBUF_CACHE_SIZE 250 #define BURST_SIZE 32 static const struct rte_eth_conf port_conf_default = { - .rxmode = { .max_rx_pkt_len = ETHER_MAX_LEN } + .rxmode = { + .max_rx_pkt_len = RTE_ETHER_MAX_LEN, + }, }; /* basicfwd.c: Basic DPDK skeleton forwarding example. */ @@ -36,10 +38,17 @@ port_init(uint16_t port, struct rte_mempool *mbuf_pool) uint16_t nb_txd = TX_RING_SIZE; int retval; uint16_t q; + struct rte_eth_dev_info dev_info; + struct rte_eth_txconf txconf; - if (port >= rte_eth_dev_count()) + if (!rte_eth_dev_is_valid_port(port)) return -1; + rte_eth_dev_info_get(port, &dev_info); + if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) + port_conf.txmode.offloads |= + DEV_TX_OFFLOAD_MBUF_FAST_FREE; + /* Configure the Ethernet device. */ retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf); if (retval != 0) @@ -57,10 +66,12 @@ port_init(uint16_t port, struct rte_mempool *mbuf_pool) return retval; } + txconf = dev_info.default_txconf; + txconf.offloads = port_conf.txmode.offloads; /* Allocate and set up 1 TX queue per Ethernet port. */ for (q = 0; q < tx_rings; q++) { retval = rte_eth_tx_queue_setup(port, q, nb_txd, - rte_eth_dev_socket_id(port), NULL); + rte_eth_dev_socket_id(port), &txconf); if (retval < 0) return retval; } @@ -71,7 +82,7 @@ port_init(uint16_t port, struct rte_mempool *mbuf_pool) return retval; /* Display the port MAC address. */ - struct ether_addr addr; + struct rte_ether_addr addr; rte_eth_macaddr_get(port, &addr); printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n", @@ -93,14 +104,13 @@ port_init(uint16_t port, struct rte_mempool *mbuf_pool) static __attribute__((noreturn)) void lcore_main(void) { - const uint16_t nb_ports = rte_eth_dev_count(); uint16_t port; /* * Check that the port is on the same NUMA node as the polling thread * for best performance. */ - for (port = 0; port < nb_ports; port++) + RTE_ETH_FOREACH_DEV(port) if (rte_eth_dev_socket_id(port) > 0 && rte_eth_dev_socket_id(port) != (int)rte_socket_id()) @@ -117,7 +127,7 @@ lcore_main(void) * Receive packets on a port and forward them on the paired * port. The mapping is 0 -> 1, 1 -> 0, 2 -> 3, 3 -> 2, etc. */ - for (port = 0; port < nb_ports; port++) { + RTE_ETH_FOREACH_DEV(port) { /* Get burst of RX packets, from first port of pair. */ struct rte_mbuf *bufs[BURST_SIZE]; @@ -161,7 +171,7 @@ main(int argc, char *argv[]) argv += ret; /* Check that there is an even number of ports to send/receive on. */ - nb_ports = rte_eth_dev_count(); + nb_ports = rte_eth_dev_count_avail(); if (nb_ports < 2 || (nb_ports & 1)) rte_exit(EXIT_FAILURE, "Error: number of ports must be even\n"); @@ -173,7 +183,7 @@ main(int argc, char *argv[]) rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); /* Initialize all ports. */ - for (portid = 0; portid < nb_ports; portid++) + RTE_ETH_FOREACH_DEV(portid) if (port_init(portid, mbuf_pool) != 0) rte_exit(EXIT_FAILURE, "Cannot init port %"PRIu16 "\n", portid);