X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fskeleton%2Fbasicfwd.c;h=e62cc0a59a8cafde3d1b51e8b5e9b042408ea92c;hb=b22e77c026205ef087cda1448fa2214fb005b39c;hp=c89822cb23a153b28e0eae90e69bb10afad76460;hpb=824cb29c0e7b8a2b3ed285546c3a39a8e0b3cd44;p=dpdk.git diff --git a/examples/skeleton/basicfwd.c b/examples/skeleton/basicfwd.c index c89822cb23..e62cc0a59a 100644 --- a/examples/skeleton/basicfwd.c +++ b/examples/skeleton/basicfwd.c @@ -1,34 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2015 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) 2010-2015 Intel Corporation */ #include @@ -39,15 +10,18 @@ #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 = ETHER_MAX_LEN, + .ignore_offload_bitfield = 1, + }, }; /* basicfwd.c: Basic DPDK skeleton forwarding example. */ @@ -57,33 +31,49 @@ static const struct rte_eth_conf port_conf_default = { * coming from the mbuf_pool passed as a parameter. */ static inline int -port_init(uint8_t port, struct rte_mempool *mbuf_pool) +port_init(uint16_t port, struct rte_mempool *mbuf_pool) { struct rte_eth_conf port_conf = port_conf_default; const uint16_t rx_rings = 1, tx_rings = 1; + uint16_t nb_rxd = RX_RING_SIZE; + 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()) 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) return retval; + retval = rte_eth_dev_adjust_nb_rx_tx_desc(port, &nb_rxd, &nb_txd); + if (retval != 0) + return retval; + /* Allocate and set up 1 RX queue per Ethernet port. */ for (q = 0; q < rx_rings; q++) { - retval = rte_eth_rx_queue_setup(port, q, RX_RING_SIZE, + retval = rte_eth_rx_queue_setup(port, q, nb_rxd, rte_eth_dev_socket_id(port), NULL, mbuf_pool); if (retval < 0) return retval; } + txconf = dev_info.default_txconf; + txconf.txq_flags = ETH_TXQ_FLAGS_IGNORE; + 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, TX_RING_SIZE, - rte_eth_dev_socket_id(port), NULL); + retval = rte_eth_tx_queue_setup(port, q, nb_txd, + rte_eth_dev_socket_id(port), &txconf); if (retval < 0) return retval; } @@ -98,7 +88,7 @@ port_init(uint8_t port, struct rte_mempool *mbuf_pool) rte_eth_macaddr_get(port, &addr); printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n", - (unsigned)port, + port, addr.addr_bytes[0], addr.addr_bytes[1], addr.addr_bytes[2], addr.addr_bytes[3], addr.addr_bytes[4], addr.addr_bytes[5]); @@ -116,8 +106,8 @@ port_init(uint8_t port, struct rte_mempool *mbuf_pool) static __attribute__((noreturn)) void lcore_main(void) { - const uint8_t nb_ports = rte_eth_dev_count(); - uint8_t port; + 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 @@ -173,7 +163,7 @@ main(int argc, char *argv[]) { struct rte_mempool *mbuf_pool; unsigned nb_ports; - uint8_t portid; + uint16_t portid; /* Initialize the Environment Abstraction Layer (EAL). */ int ret = rte_eal_init(argc, argv); @@ -198,7 +188,7 @@ main(int argc, char *argv[]) /* Initialize all ports. */ for (portid = 0; portid < nb_ports; portid++) if (port_init(portid, mbuf_pool) != 0) - rte_exit(EXIT_FAILURE, "Cannot init port %"PRIu8 "\n", + rte_exit(EXIT_FAILURE, "Cannot init port %"PRIu16 "\n", portid); if (rte_lcore_count() > 1)