X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Flink_status_interrupt%2Fmain.c;h=04dc3e40660f9b6ffb3fc747e59febaa9fad9f9e;hb=b4e0f64ff271ccc78f6275b6bd49194e86fd4f4b;hp=8d17b0199db4be7838af31d58a79d5f9f2173553;hpb=e5ffdd1457c0fb4e8365f524ee2529ac726edcf3;p=dpdk.git diff --git a/examples/link_status_interrupt/main.c b/examples/link_status_interrupt/main.c index 8d17b0199d..04dc3e4066 100644 --- a/examples/link_status_interrupt/main.c +++ b/examples/link_status_interrupt/main.c @@ -1,13 +1,13 @@ /*- * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * + * Copyright(c) 2010-2016 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 @@ -17,7 +17,7 @@ * * 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 @@ -48,10 +48,10 @@ #include #include +#include #include #include #include -#include #include #include #include @@ -71,32 +71,10 @@ #include #include -#include "main.h" - #define RTE_LOGTYPE_LSI RTE_LOGTYPE_USER1 -#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM) #define NB_MBUF 8192 -/* - * 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. - */ -#define RX_PTHRESH 8 /**< Default values of RX prefetch threshold reg. */ -#define RX_HTHRESH 8 /**< Default values of RX host threshold reg. */ -#define RX_WTHRESH 4 /**< Default values of RX write-back threshold reg. */ - -/* - * 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. - */ -#define TX_PTHRESH 36 /**< Default values of TX prefetch threshold reg. */ -#define TX_HTHRESH 0 /**< Default values of TX host threshold reg. */ -#define TX_WTHRESH 0 /**< Default values of TX write-back threshold reg. */ - #define MAX_PKT_BURST 32 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ @@ -120,10 +98,6 @@ static unsigned int lsi_rx_queue_per_lcore = 1; static unsigned lsi_dst_ports[RTE_MAX_ETHPORTS] = {0}; #define MAX_PKT_BURST 32 -struct mbuf_table { - unsigned len; - struct rte_mbuf *m_table[MAX_PKT_BURST]; -}; #define MAX_RX_QUEUE_PER_LCORE 16 #define MAX_TX_QUEUE_PER_PORT 16 @@ -131,11 +105,11 @@ struct lcore_queue_conf { unsigned n_rx_port; unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; unsigned tx_queue_id; - struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS]; - } __rte_cache_aligned; struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; +struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; + static const struct rte_eth_conf port_conf = { .rxmode = { .split_hdr_size = 0, @@ -153,24 +127,6 @@ static const 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 */ -}; - struct rte_mempool * lsi_pktmbuf_pool = NULL; /* Per-port statistics struct */ @@ -243,59 +199,14 @@ print_stats(void) printf("\n====================================================\n"); } -/* Send the packet on an output interface */ -static int -lsi_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port) -{ - struct rte_mbuf **m_table; - unsigned ret; - unsigned queueid; - - queueid = (uint16_t) qconf->tx_queue_id; - m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table; - - ret = rte_eth_tx_burst(port, (uint16_t) queueid, m_table, (uint16_t) n); - port_statistics[port].tx += ret; - if (unlikely(ret < n)) { - port_statistics[port].dropped += (n - ret); - do { - rte_pktmbuf_free(m_table[ret]); - } while (++ret < n); - } - - return 0; -} - -/* Send the packet on an output interface */ -static int -lsi_send_packet(struct rte_mbuf *m, uint8_t port) -{ - unsigned lcore_id, len; - struct lcore_queue_conf *qconf; - - lcore_id = rte_lcore_id(); - - qconf = &lcore_queue_conf[lcore_id]; - len = qconf->tx_mbufs[port].len; - qconf->tx_mbufs[port].m_table[len] = m; - len++; - - /* enough pkts to be sent */ - if (unlikely(len == MAX_PKT_BURST)) { - lsi_send_burst(qconf, MAX_PKT_BURST, port); - len = 0; - } - - qconf->tx_mbufs[port].len = len; - return 0; -} - static void lsi_simple_forward(struct rte_mbuf *m, unsigned portid) { struct ether_hdr *eth; void *tmp; unsigned dst_port = lsi_dst_ports[portid]; + int sent; + struct rte_eth_dev_tx_buffer *buffer; eth = rte_pktmbuf_mtod(m, struct ether_hdr *); @@ -306,7 +217,10 @@ lsi_simple_forward(struct rte_mbuf *m, unsigned portid) /* src addr */ ether_addr_copy(&lsi_ports_eth_addr[dst_port], ð->s_addr); - lsi_send_packet(m, (uint8_t) dst_port); + buffer = tx_buffer[dst_port]; + sent = rte_eth_tx_buffer(dst_port, 0, buffer, m); + if (sent) + port_statistics[dst_port].tx += sent; } /* main processing loop */ @@ -316,10 +230,13 @@ lsi_main_loop(void) struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; struct rte_mbuf *m; unsigned lcore_id; + unsigned sent; uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc; unsigned i, j, portid, nb_rx; struct lcore_queue_conf *qconf; - const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; + const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * + BURST_TX_DRAIN_US; + struct rte_eth_dev_tx_buffer *buffer; prev_tsc = 0; timer_tsc = 0; @@ -351,15 +268,15 @@ lsi_main_loop(void) diff_tsc = cur_tsc - prev_tsc; if (unlikely(diff_tsc > drain_tsc)) { - /* this could be optimized (use queueid instead of - * portid), but it is not called so often */ - for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { - if (qconf->tx_mbufs[portid].len == 0) - continue; - lsi_send_burst(&lcore_queue_conf[lcore_id], - qconf->tx_mbufs[portid].len, - (uint8_t) portid); - qconf->tx_mbufs[portid].len = 0; + for (i = 0; i < qconf->n_rx_port; i++) { + + portid = lsi_dst_ports[qconf->rx_port_list[i]]; + buffer = tx_buffer[portid]; + + sent = rte_eth_tx_buffer_flush(portid, 0, buffer); + if (sent) + port_statistics[portid].tx += sent; + } /* if timer is enabled */ @@ -606,7 +523,7 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) continue; } /* clear all_ports_up flag if any link down */ - if (link.link_status == 0) { + if (link.link_status == ETH_LINK_DOWN) { all_ports_up = 0; break; } @@ -630,7 +547,7 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) } int -MAIN(int argc, char **argv) +main(int argc, char **argv) { struct lcore_queue_conf *qconf; struct rte_eth_dev_info dev_info; @@ -654,25 +571,15 @@ MAIN(int argc, char **argv) /* create the mbuf pool */ lsi_pktmbuf_pool = - rte_mempool_create("mbuf_pool", NB_MBUF, - MBUF_SIZE, 32, - sizeof(struct rte_pktmbuf_pool_private), - rte_pktmbuf_pool_init, NULL, - rte_pktmbuf_init, NULL, - rte_socket_id(), 0); + rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0, + RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); if (lsi_pktmbuf_pool == NULL) rte_panic("Cannot init mbuf pool\n"); - if (rte_eal_pci_probe() < 0) - rte_panic("Cannot probe PCI\n"); - nb_ports = rte_eth_dev_count(); if (nb_ports == 0) rte_panic("No Ethernet port - bye\n"); - if (nb_ports > RTE_MAX_ETHPORTS) - nb_ports = RTE_MAX_ETHPORTS; - /* * Each logical core is assigned a dedicated TX queue on each port. */ @@ -754,7 +661,8 @@ MAIN(int argc, char **argv) /* init one RX queue */ fflush(stdout); ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd, - rte_eth_dev_socket_id(portid), &rx_conf, + rte_eth_dev_socket_id(portid), + NULL, lsi_pktmbuf_pool); if (ret < 0) rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n", @@ -763,11 +671,29 @@ MAIN(int argc, char **argv) /* init one TX queue logical core on each port */ fflush(stdout); ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, - rte_eth_dev_socket_id(portid), &tx_conf); + rte_eth_dev_socket_id(portid), + NULL); if (ret < 0) rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n", ret, (unsigned) portid); + /* Initialize TX buffers */ + tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", + RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, + rte_eth_dev_socket_id(portid)); + if (tx_buffer[portid] == NULL) + rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", + (unsigned) portid); + + rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); + + ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], + rte_eth_tx_buffer_count_callback, + &port_statistics[portid].dropped); + if (ret < 0) + rte_exit(EXIT_FAILURE, "Cannot set error callback for " + "tx buffer on port %u\n", (unsigned) portid); + /* Start device */ ret = rte_eth_dev_start(portid); if (ret < 0) @@ -775,6 +701,8 @@ MAIN(int argc, char **argv) ret, (unsigned) portid); printf("done:\n"); + rte_eth_promiscuous_enable(portid); + printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", (unsigned) portid, lsi_ports_eth_addr[portid].addr_bytes[0],