195 lines
5.3 KiB
C
195 lines
5.3 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdarg.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <inttypes.h>
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#include <sys/queue.h>
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#include <sys/stat.h>
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#include <rte_common.h>
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#include <rte_byteorder.h>
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#include <rte_log.h>
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#include <rte_debug.h>
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#include <rte_cycles.h>
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#include <rte_memory.h>
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#include <rte_memcpy.h>
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#include <rte_memzone.h>
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#include <rte_launch.h>
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#include <rte_tailq.h>
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#include <rte_eal.h>
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#include <rte_per_lcore.h>
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#include <rte_lcore.h>
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#include <rte_atomic.h>
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#include <rte_branch_prediction.h>
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#include <rte_ring.h>
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#include <rte_memory.h>
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#include <rte_mempool.h>
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#include <rte_mbuf.h>
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#include <rte_interrupts.h>
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#include <rte_pci.h>
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#include <rte_ether.h>
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#include <rte_ethdev.h>
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#include <rte_string_fns.h>
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#include "testpmd.h"
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#define MAX_PKT_RX_FLAGS 11
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static const char *pkt_rx_flag_names[MAX_PKT_RX_FLAGS] = {
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"VLAN_PKT",
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"RSS_HASH",
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"PKT_RX_FDIR",
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"IP_CKSUM",
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"IP_CKSUM_BAD",
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"IPV4_HDR",
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"IPV4_HDR_EXT",
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"IPV6_HDR",
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"IPV6_HDR_EXT",
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"IEEE1588_PTP",
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"IEEE1588_TMST",
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};
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static inline void
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print_ether_addr(const char *what, struct ether_addr *eth_addr)
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{
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printf("%s%02X:%02X:%02X:%02X:%02X:%02X",
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what,
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eth_addr->addr_bytes[0],
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eth_addr->addr_bytes[1],
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eth_addr->addr_bytes[2],
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eth_addr->addr_bytes[3],
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eth_addr->addr_bytes[4],
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eth_addr->addr_bytes[5]);
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}
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/*
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* Received a burst of packets.
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*/
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static void
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pkt_burst_receive(struct fwd_stream *fs)
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{
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struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
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struct rte_mbuf *mb;
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struct ether_hdr *eth_hdr;
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uint16_t eth_type;
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uint16_t ol_flags;
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uint16_t nb_rx;
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uint16_t i;
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#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
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uint64_t start_tsc;
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uint64_t end_tsc;
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uint64_t core_cycles;
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#endif
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#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
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start_tsc = rte_rdtsc();
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#endif
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/*
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* Receive a burst of packets.
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*/
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nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
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nb_pkt_per_burst);
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if (unlikely(nb_rx == 0))
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return;
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#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
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fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
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#endif
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fs->rx_packets += nb_rx;
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/*
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* Dump each received packet if verbose_level > 0.
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*/
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if (verbose_level > 0)
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printf("port %u/queue %u: received %u packets\n",
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(unsigned) fs->rx_port,
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(unsigned) fs->rx_queue,
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(unsigned) nb_rx);
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for (i = 0; i < nb_rx; i++) {
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mb = pkts_burst[i];
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if (verbose_level == 0) {
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rte_pktmbuf_free(mb);
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continue;
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}
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eth_hdr = (struct ether_hdr *) mb->pkt.data;
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eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
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ol_flags = mb->ol_flags;
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print_ether_addr(" src=", ð_hdr->s_addr);
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print_ether_addr(" - dst=", ð_hdr->d_addr);
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printf(" - type=0x%04x - length=%u - nb_segs=%d",
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eth_type, (unsigned) mb->pkt.pkt_len,
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(int)mb->pkt.nb_segs);
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if (ol_flags & PKT_RX_RSS_HASH)
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printf(" - RSS hash=0x%x", (unsigned) mb->pkt.hash.rss);
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else if (ol_flags & PKT_RX_FDIR)
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printf(" - FDIR hash=0x%x - FDIR id=0x%x ",
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mb->pkt.hash.fdir.hash, mb->pkt.hash.fdir.id);
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if (ol_flags & PKT_RX_VLAN_PKT)
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printf(" - VLAN tci=0x%x",
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mb->pkt.vlan_macip.f.vlan_tci);
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printf("\n");
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if (ol_flags != 0) {
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int rxf;
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for (rxf = 0; rxf < MAX_PKT_RX_FLAGS; rxf++) {
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if (ol_flags & (1 << rxf))
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printf(" PKT_RX_%s\n",
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pkt_rx_flag_names[rxf]);
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}
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}
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rte_pktmbuf_free(mb);
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}
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#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
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end_tsc = rte_rdtsc();
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core_cycles = (end_tsc - start_tsc);
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fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
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#endif
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}
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struct fwd_engine rx_only_engine = {
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.fwd_mode_name = "rxonly",
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.port_fwd_begin = NULL,
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.port_fwd_end = NULL,
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.packet_fwd = pkt_burst_receive,
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};
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