diff options
Diffstat (limited to 'app/test-pmd/macfwd-retry.c')
| -rw-r--r-- | app/test-pmd/macfwd-retry.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/app/test-pmd/macfwd-retry.c b/app/test-pmd/macfwd-retry.c deleted file mode 100644 index 3a96b3df..00000000 --- a/app/test-pmd/macfwd-retry.c +++ /dev/null @@ -1,164 +0,0 @@ -/*- - * BSD LICENSE - * - * 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 - * 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. - */ - -#include <stdarg.h> -#include <string.h> -#include <stdio.h> -#include <errno.h> -#include <stdint.h> -#include <unistd.h> -#include <inttypes.h> - -#include <sys/queue.h> -#include <sys/stat.h> - -#include <rte_common.h> -#include <rte_byteorder.h> -#include <rte_log.h> -#include <rte_debug.h> -#include <rte_cycles.h> -#include <rte_memory.h> -#include <rte_memcpy.h> -#include <rte_memzone.h> -#include <rte_launch.h> -#include <rte_eal.h> -#include <rte_per_lcore.h> -#include <rte_lcore.h> -#include <rte_atomic.h> -#include <rte_branch_prediction.h> -#include <rte_ring.h> -#include <rte_memory.h> -#include <rte_mempool.h> -#include <rte_mbuf.h> -#include <rte_interrupts.h> -#include <rte_pci.h> -#include <rte_ether.h> -#include <rte_ethdev.h> -#include <rte_ip.h> -#include <rte_string_fns.h> - -#include "testpmd.h" - -#define BURST_TX_WAIT_US 10 -#define BURST_TX_RETRIES 5 - -/* - * Global variables that control number of retires and - * timeout (in us) between retires. - */ -uint32_t burst_tx_delay_time = BURST_TX_WAIT_US; -uint32_t burst_tx_retry_num = BURST_TX_RETRIES; - -/* - * Forwarding of packets in MAC mode with a wait and retry on TX to reduce packet loss. - * Change the source and the destination Ethernet addressed of packets - * before forwarding them. - */ -static void -pkt_burst_mac_retry_forward(struct fwd_stream *fs) -{ - struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; - struct rte_mbuf *mb; - struct ether_hdr *eth_hdr; - uint32_t retry; - uint16_t nb_rx; - uint16_t nb_tx; - uint16_t i; -#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES - uint64_t start_tsc; - uint64_t end_tsc; - uint64_t core_cycles; -#endif - -#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES - start_tsc = rte_rdtsc(); -#endif - - /* - * Receive a burst of packets and forward them. - */ - nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst, - nb_pkt_per_burst); - if (unlikely(nb_rx == 0)) - return; - -#ifdef RTE_TEST_PMD_RECORD_BURST_STATS - fs->rx_burst_stats.pkt_burst_spread[nb_rx]++; -#endif - fs->rx_packets += nb_rx; - for (i = 0; i < nb_rx; i++) { - mb = pkts_burst[i]; - eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *); - ether_addr_copy(&peer_eth_addrs[fs->peer_addr], - ð_hdr->d_addr); - ether_addr_copy(&ports[fs->tx_port].eth_addr, - ð_hdr->s_addr); - } - nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_rx); - - /* - * If not all packets have been TX'd then wait and retry. - */ - if (unlikely(nb_tx < nb_rx)) { - for (retry = 0; retry < burst_tx_retry_num; retry++) { - rte_delay_us(burst_tx_delay_time); - nb_tx += rte_eth_tx_burst(fs->tx_port, fs->tx_queue, - &pkts_burst[nb_tx], nb_rx - nb_tx); - if (nb_tx == nb_rx) - break; - } - } - - fs->tx_packets += nb_tx; -#ifdef RTE_TEST_PMD_RECORD_BURST_STATS - fs->tx_burst_stats.pkt_burst_spread[nb_tx]++; -#endif - if (unlikely(nb_tx < nb_rx)) { - fs->fwd_dropped += (nb_rx - nb_tx); - do { - rte_pktmbuf_free(pkts_burst[nb_tx]); - } while (++nb_tx < nb_rx); - } -#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES - end_tsc = rte_rdtsc(); - core_cycles = (end_tsc - start_tsc); - fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles); -#endif -} - -struct fwd_engine mac_retry_fwd_engine = { - .fwd_mode_name = "mac_retry", - .port_fwd_begin = NULL, - .port_fwd_end = NULL, - .packet_fwd = pkt_burst_mac_retry_forward, -}; |