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Diffstat (limited to '')
| -rw-r--r-- | src/seastar/dpdk/app/test-pmd/rxonly.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/src/seastar/dpdk/app/test-pmd/rxonly.c b/src/seastar/dpdk/app/test-pmd/rxonly.c new file mode 100644 index 00000000..dcd1d85c --- /dev/null +++ b/src/seastar/dpdk/app/test-pmd/rxonly.c @@ -0,0 +1,249 @@ +/*- + * 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 <rte_flow.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; + + 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); + } + 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, +}; |