X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Flink_status_interrupt%2Fmain.c;h=04dc3e40660f9b6ffb3fc747e59febaa9fad9f9e;hb=b4e0f64ff271ccc78f6275b6bd49194e86fd4f4b;hp=c57a08a4631b6aa84371d1497e60e70c2f8bb727;hpb=824cb29c0e7b8a2b3ed285546c3a39a8e0b3cd44;p=dpdk.git diff --git a/examples/link_status_interrupt/main.c b/examples/link_status_interrupt/main.c index c57a08a463..04dc3e4066 100644 --- a/examples/link_status_interrupt/main.c +++ b/examples/link_status_interrupt/main.c @@ -1,7 +1,7 @@ /*- * 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 @@ -48,6 +48,7 @@ #include #include +#include #include #include #include @@ -97,10 +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 @@ -108,11 +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, @@ -202,59 +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 *); @@ -265,7 +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 */ @@ -275,10 +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; @@ -310,15 +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 */ @@ -565,7 +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; } @@ -622,9 +580,6 @@ main(int argc, char **argv) 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. */ @@ -722,6 +677,23 @@ main(int argc, char **argv) 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) @@ -729,6 +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],