X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fvmdq_dcb%2Fmain.c;h=3c7f2b381d059bf44df6a96e1ac7875c6fe955df;hb=ea0c20ea95fd5d71a10757e6598ac66233ea1495;hp=7c744ef4a52816871668f8282275a45e0732f53d;hpb=e60f71ebd68f8b841bda43f210861e010ad5eb61;p=dpdk.git diff --git a/examples/vmdq_dcb/main.c b/examples/vmdq_dcb/main.c index 7c744ef4a5..3c7f2b381d 100644 --- a/examples/vmdq_dcb/main.c +++ b/examples/vmdq_dcb/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 @@ -49,7 +48,6 @@ #include #include #include -#include #include #include #include @@ -71,51 +69,21 @@ #include #include -#include "main.h" - /* basic constants used in application */ #define NUM_QUEUES 128 #define NUM_MBUFS 64*1024 #define MBUF_CACHE_SIZE 64 -#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) +#define MBUF_DATA_SIZE (2048 + RTE_PKTMBUF_HEADROOM) + +#define INVALID_PORT_ID 0xFF -#define RX_PORT 0 -#define TX_PORT 1 +/* mask of enabled ports */ +static uint32_t enabled_port_mask = 0; /* number of pools (if user does not specify any, 16 by default */ static enum rte_eth_nb_pools num_pools = ETH_16_POOLS; -/* - * RX and TX Prefetch, Host, and Write-back threshold values should be - * carefully set for optimal performance. Consult the network - * controller's datasheet and supporting DPDK documentation for guidance - * on how these parameters should be set. - */ -/* Default configuration for rx and tx thresholds etc. */ -static const struct rte_eth_rxconf rx_conf_default = { - .rx_thresh = { - .pthresh = 8, - .hthresh = 8, - .wthresh = 4, - }, -}; - -/* - * These default values are optimized for use with the Intel(R) 82599 10 GbE - * Controller and the DPDK ixgbe PMD. Consider using other values for other - * network controllers and/or network drivers. - */ -static const struct rte_eth_txconf tx_conf_default = { - .tx_thresh = { - .pthresh = 36, - .hthresh = 0, - .wthresh = 0, - }, - .tx_free_thresh = 0, /* Use PMD default values */ - .tx_rs_thresh = 0, /* Use PMD default values */ -}; - /* empty vmdq+dcb configuration structure. Filled in programatically */ static const struct rte_eth_conf vmdq_dcb_conf_default = { .rxmode = { @@ -145,6 +113,9 @@ static const struct rte_eth_conf vmdq_dcb_conf_default = { }, }; +static uint8_t ports[RTE_MAX_ETHPORTS]; +static unsigned num_ports = 0; + /* array used for printing out statistics */ volatile unsigned long rxPackets[ NUM_QUEUES ] = {0}; @@ -208,7 +179,8 @@ port_init(uint8_t port, struct rte_mempool *mbuf_pool) for (q = 0; q < rxRings; q ++) { retval = rte_eth_rx_queue_setup(port, q, rxRingSize, - rte_eth_dev_socket_id(port), &rx_conf_default, + rte_eth_dev_socket_id(port), + NULL, mbuf_pool); if (retval < 0) return retval; @@ -216,7 +188,8 @@ port_init(uint8_t port, struct rte_mempool *mbuf_pool) for (q = 0; q < txRings; q ++) { retval = rte_eth_tx_queue_setup(port, q, txRingSize, - rte_eth_dev_socket_id(port), &tx_conf_default); + rte_eth_dev_socket_id(port), + NULL); if (retval < 0) return retval; } @@ -225,6 +198,14 @@ port_init(uint8_t port, struct rte_mempool *mbuf_pool) if (retval < 0) return retval; + struct 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", + (unsigned)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]); + return 0; } @@ -249,12 +230,29 @@ vmdq_parse_num_pools(const char *q_arg) return 0; } +static int +parse_portmask(const char *portmask) +{ + char *end = NULL; + unsigned long pm; + + /* parse hexadecimal string */ + pm = strtoul(portmask, &end, 16); + if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) + return -1; + + if (pm == 0) + return -1; + + return pm; +} + /* Display usage */ static void vmdq_usage(const char *prgname) { - printf("%s [EAL options] -- [-nb-pools NP]\n" - " -nb-pools NP: number of pools (16 default, 32)\n", + printf("%s [EAL options] -- -p PORTMASK]\n" + " --nb-pools NP: number of pools (16 default, 32)\n", prgname); } @@ -264,16 +262,25 @@ vmdq_parse_args(int argc, char **argv) { int opt; int option_index; + unsigned i; const char *prgname = argv[0]; - static struct option long_option[] = { {"nb-pools", required_argument, NULL, 0}, {NULL, 0, 0, 0} }; /* Parse command line */ - while ((opt = getopt_long_only(argc, argv, "",long_option,&option_index)) != EOF) { + while ((opt = getopt_long(argc, argv, "p:",long_option,&option_index)) != EOF) { switch (opt) { + /* portmask */ + case 'p': + enabled_port_mask = parse_portmask(optarg); + if (enabled_port_mask == 0) { + printf("invalid portmask\n"); + vmdq_usage(prgname); + return -1; + } + break; case 0: if (vmdq_parse_num_pools(optarg) == -1){ printf("invalid number of pools\n"); @@ -286,13 +293,23 @@ vmdq_parse_args(int argc, char **argv) return -1; } } - return 0; + for(i = 0; i < RTE_MAX_ETHPORTS; i++) + { + if (enabled_port_mask & (1 << i)) + ports[num_ports++] = (uint8_t)i; + } + if (num_ports < 2 || num_ports % 2) { + printf("Current enabled port number is %u," + "but it should be even and at least 2\n",num_ports); + return -1; + } + + return 0; } -#ifndef RTE_EXEC_ENV_BAREMETAL /* When we receive a HUP signal, print out our stats */ static void sighup_handler(int signum) @@ -305,7 +322,6 @@ sighup_handler(int signum) } printf("\nFinished handling signal %d\n", signum); } -#endif /* * Main thread that does the work, reading from INPUT_PORT @@ -318,7 +334,7 @@ lcore_main(void *arg) const unsigned num_cores = rte_lcore_count(); uint16_t startQueue = (uint16_t)(core_num * (NUM_QUEUES/num_cores)); uint16_t endQueue = (uint16_t)(startQueue + (NUM_QUEUES/num_cores)); - uint16_t q, i; + uint16_t q, i, p; printf("Core %u(lcore %u) reading queues %i-%i\n", (unsigned)core_num, rte_lcore_id(), startQueue, endQueue - 1); @@ -326,37 +342,71 @@ lcore_main(void *arg) for (;;) { struct rte_mbuf *buf[32]; const uint16_t buf_size = sizeof(buf) / sizeof(buf[0]); + for (p = 0; p < num_ports; p++) { + const uint8_t src = ports[p]; + const uint8_t dst = ports[p ^ 1]; /* 0 <-> 1, 2 <-> 3 etc */ - for (q = startQueue; q < endQueue; q++) { - const uint16_t rxCount = rte_eth_rx_burst(RX_PORT, - q, buf, buf_size); - if (rxCount == 0) + if ((src == INVALID_PORT_ID) || (dst == INVALID_PORT_ID)) continue; - rxPackets[q] += rxCount; - const uint16_t txCount = rte_eth_tx_burst(TX_PORT, + for (q = startQueue; q < endQueue; q++) { + const uint16_t rxCount = rte_eth_rx_burst(src, + q, buf, buf_size); + if (rxCount == 0) + continue; + rxPackets[q] += rxCount; + + const uint16_t txCount = rte_eth_tx_burst(dst, (uint16_t)core_num, buf, rxCount); - if (txCount != rxCount) { - for (i = txCount; i < rxCount; i++) - rte_pktmbuf_free(buf[i]); + if (txCount != rxCount) { + for (i = txCount; i < rxCount; i++) + rte_pktmbuf_free(buf[i]); + } } } } } +/* + * Update the global var NUM_PORTS and array PORTS according to system ports number + * and return valid ports number + */ +static unsigned check_ports_num(unsigned nb_ports) +{ + unsigned valid_num_ports = num_ports; + unsigned portid; + + if (num_ports > nb_ports) { + printf("\nSpecified port number(%u) exceeds total system port number(%u)\n", + num_ports, nb_ports); + num_ports = nb_ports; + } + + for (portid = 0; portid < num_ports; portid ++) { + if (ports[portid] >= nb_ports) { + printf("\nSpecified port ID(%u) exceeds max system port ID(%u)\n", + ports[portid], (nb_ports - 1)); + ports[portid] = INVALID_PORT_ID; + valid_num_ports --; + } + } + return valid_num_ports; +} + + /* Main function, does initialisation and calls the per-lcore functions */ int -MAIN(int argc, char *argv[]) +main(int argc, char *argv[]) { unsigned cores; struct rte_mempool *mbuf_pool; unsigned lcore_id; uintptr_t i; int ret; + unsigned nb_ports, valid_num_ports; + uint8_t portid; -#ifndef RTE_EXEC_ENV_BAREMETAL signal(SIGHUP, sighup_handler); -#endif /* init EAL */ ret = rte_eal_init(argc, argv); @@ -370,28 +420,42 @@ MAIN(int argc, char *argv[]) if (ret < 0) rte_exit(EXIT_FAILURE, "Invalid VMDQ argument\n"); - if (rte_ixgbe_pmd_init() != 0 || - rte_eal_pci_probe() != 0) - rte_exit(EXIT_FAILURE, "Error with NIC driver initialization\n"); - cores = rte_lcore_count(); - if ((cores & (cores - 1)) != 0 || cores > 16) { - rte_exit(EXIT_FAILURE, - "This program can only run on 2,4,8 or 16 cores\n\n"); + if ((cores & (cores - 1)) != 0 || cores > 128) { + rte_exit(EXIT_FAILURE,"This program can only run on an even" + "number of cores(1-128)\n\n"); } - mbuf_pool = rte_mempool_create("MBUF_POOL", NUM_MBUFS, - MBUF_SIZE, MBUF_CACHE_SIZE, - sizeof(struct rte_pktmbuf_pool_private), - rte_pktmbuf_pool_init, NULL, - rte_pktmbuf_init, NULL, - rte_socket_id(), 0); + nb_ports = rte_eth_dev_count(); + if (nb_ports > RTE_MAX_ETHPORTS) + nb_ports = RTE_MAX_ETHPORTS; + + /* + * Update the global var NUM_PORTS and global array PORTS + * and get value of var VALID_NUM_PORTS according to system ports number + */ + valid_num_ports = check_ports_num(nb_ports); + + if (valid_num_ports < 2 || valid_num_ports % 2) { + printf("Current valid ports number is %u\n", valid_num_ports); + rte_exit(EXIT_FAILURE, "Error with valid ports number is not even or less than 2\n"); + } + + mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NUM_MBUFS * nb_ports, + MBUF_CACHE_SIZE, 0, MBUF_DATA_SIZE, rte_socket_id()); if (mbuf_pool == NULL) rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); - if (port_init(RX_PORT, mbuf_pool) != 0 || - port_init(TX_PORT, mbuf_pool) != 0) - rte_exit(EXIT_FAILURE, "Cannot initialize network ports\n"); + /* 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; + } + if (port_init(portid, mbuf_pool) != 0) + rte_exit(EXIT_FAILURE, "Cannot initialize network ports\n"); + } /* call lcore_main() on every slave lcore */ i = 0;