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/*-
* 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_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_string_fns.h>
#include <rte_ip.h>
#include <rte_udp.h>
#include <rte_net.h>
#include "testpmd.h"
static inline void
print_ether_addr(const char *what, struct ether_addr *eth_addr)
{
char buf[ETHER_ADDR_FMT_SIZE];
ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
printf("%s%s", what, buf);
}
/*
* Received a burst of packets.
*/
static void
pkt_burst_receive(struct fwd_stream *fs)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
struct rte_mbuf *mb;
struct ether_hdr *eth_hdr;
uint16_t eth_type;
uint64_t ol_flags;
uint16_t nb_rx;
uint16_t i, packet_type;
uint16_t is_encapsulation;
char buf[256];
struct rte_net_hdr_lens hdr_lens;
uint32_t sw_packet_type;
#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.
*/
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;
/*
* Dump each received packet if verbose_level > 0.
*/
if (verbose_level > 0)
printf("port %u/queue %u: received %u packets\n",
(unsigned) fs->rx_port,
(unsigned) fs->rx_queue,
(unsigned) nb_rx);
for (i = 0; i < nb_rx; i++) {
mb = pkts_burst[i];
if (verbose_level == 0) {
rte_pktmbuf_free(mb);
continue;
}
eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
ol_flags = mb->ol_flags;
packet_type = mb->packet_type;
is_encapsulation = RTE_ETH_IS_TUNNEL_PKT(packet_type);
print_ether_addr(" src=", ð_hdr->s_addr);
print_ether_addr(" - dst=", ð_hdr->d_addr);
printf(" - type=0x%04x - length=%u - nb_segs=%d",
eth_type, (unsigned) mb->pkt_len,
(int)mb->nb_segs);
if (ol_flags & PKT_RX_RSS_HASH) {
printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss);
printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue);
} else if (ol_flags & PKT_RX_FDIR) {
printf(" - FDIR matched ");
if (ol_flags & PKT_RX_FDIR_ID)
printf("ID=0x%x",
mb->hash.fdir.hi);
else if (ol_flags & PKT_RX_FDIR_FLX)
printf("flex bytes=0x%08x %08x",
mb->hash.fdir.hi, mb->hash.fdir.lo);
else
printf("hash=0x%x ID=0x%x ",
mb->hash.fdir.hash, mb->hash.fdir.id);
}
if (ol_flags & PKT_RX_VLAN_STRIPPED)
printf(" - VLAN tci=0x%x", mb->vlan_tci);
if (ol_flags & PKT_RX_QINQ_STRIPPED)
printf(" - QinQ VLAN tci=0x%x, VLAN tci outer=0x%x",
mb->vlan_tci, mb->vlan_tci_outer);
if (mb->packet_type) {
rte_get_ptype_name(mb->packet_type, buf, sizeof(buf));
printf(" - hw ptype: %s", buf);
}
sw_packet_type = rte_net_get_ptype(mb, &hdr_lens,
RTE_PTYPE_ALL_MASK);
rte_get_ptype_name(sw_packet_type, buf, sizeof(buf));
printf(" - sw ptype: %s", buf);
if (sw_packet_type & RTE_PTYPE_L2_MASK)
printf(" - l2_len=%d", hdr_lens.l2_len);
if (sw_packet_type & RTE_PTYPE_L3_MASK)
printf(" - l3_len=%d", hdr_lens.l3_len);
if (sw_packet_type & RTE_PTYPE_L4_MASK)
printf(" - l4_len=%d", hdr_lens.l4_len);
if (sw_packet_type & RTE_PTYPE_TUNNEL_MASK)
printf(" - tunnel_len=%d", hdr_lens.tunnel_len);
if (sw_packet_type & RTE_PTYPE_INNER_L2_MASK)
printf(" - inner_l2_len=%d", hdr_lens.inner_l2_len);
if (sw_packet_type & RTE_PTYPE_INNER_L3_MASK)
printf(" - inner_l3_len=%d", hdr_lens.inner_l3_len);
if (sw_packet_type & RTE_PTYPE_INNER_L4_MASK)
printf(" - inner_l4_len=%d", hdr_lens.inner_l4_len);
if (is_encapsulation) {
struct ipv4_hdr *ipv4_hdr;
struct ipv6_hdr *ipv6_hdr;
struct udp_hdr *udp_hdr;
uint8_t l2_len;
uint8_t l3_len;
uint8_t l4_len;
uint8_t l4_proto;
struct vxlan_hdr *vxlan_hdr;
l2_len = sizeof(struct ether_hdr);
/* Do not support ipv4 option field */
if (RTE_ETH_IS_IPV4_HDR(packet_type)) {
l3_len = sizeof(struct ipv4_hdr);
ipv4_hdr = rte_pktmbuf_mtod_offset(mb,
struct ipv4_hdr *,
l2_len);
l4_proto = ipv4_hdr->next_proto_id;
} else {
l3_len = sizeof(struct ipv6_hdr);
ipv6_hdr = rte_pktmbuf_mtod_offset(mb,
struct ipv6_hdr *,
l2_len);
l4_proto = ipv6_hdr->proto;
}
if (l4_proto == IPPROTO_UDP) {
udp_hdr = rte_pktmbuf_mtod_offset(mb,
struct udp_hdr *,
l2_len + l3_len);
l4_len = sizeof(struct udp_hdr);
vxlan_hdr = rte_pktmbuf_mtod_offset(mb,
struct vxlan_hdr *,
l2_len + l3_len + l4_len);
printf(" - VXLAN packet: packet type =%d, "
"Destination UDP port =%d, VNI = %d",
packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port),
rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8);
}
}
printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue);
printf("\n");
rte_get_rx_ol_flag_list(mb->ol_flags, buf, sizeof(buf));
printf(" ol_flags: %s\n", buf);
rte_pktmbuf_free(mb);
}
#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 rx_only_engine = {
.fwd_mode_name = "rxonly",
.port_fwd_begin = NULL,
.port_fwd_end = NULL,
.packet_fwd = pkt_burst_receive,
};
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