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42 #include <sys/queue.h>
45 #include <rte_common.h>
46 #include <rte_byteorder.h>
48 #include <rte_debug.h>
49 #include <rte_cycles.h>
50 #include <rte_memory.h>
51 #include <rte_memcpy.h>
52 #include <rte_memzone.h>
53 #include <rte_launch.h>
55 #include <rte_per_lcore.h>
56 #include <rte_lcore.h>
57 #include <rte_atomic.h>
58 #include <rte_branch_prediction.h>
60 #include <rte_memory.h>
61 #include <rte_mempool.h>
63 #include <rte_interrupts.h>
65 #include <rte_ether.h>
66 #include <rte_ethdev.h>
67 #include <rte_string_fns.h>
74 print_ether_addr(const char *what, struct ether_addr *eth_addr)
76 char buf[ETHER_ADDR_FMT_SIZE];
77 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
78 printf("%s%s", what, buf);
82 * Received a burst of packets.
85 pkt_burst_receive(struct fwd_stream *fs)
87 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
89 struct ether_hdr *eth_hdr;
93 uint16_t i, packet_type;
94 uint64_t is_encapsulation;
96 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
102 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
103 start_tsc = rte_rdtsc();
107 * Receive a burst of packets.
109 nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
111 if (unlikely(nb_rx == 0))
114 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
115 fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
117 fs->rx_packets += nb_rx;
120 * Dump each received packet if verbose_level > 0.
122 if (verbose_level > 0)
123 printf("port %u/queue %u: received %u packets\n",
124 (unsigned) fs->rx_port,
125 (unsigned) fs->rx_queue,
127 for (i = 0; i < nb_rx; i++) {
129 if (verbose_level == 0) {
130 rte_pktmbuf_free(mb);
133 eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
134 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
135 ol_flags = mb->ol_flags;
136 packet_type = mb->packet_type;
138 is_encapsulation = ol_flags & (PKT_RX_TUNNEL_IPV4_HDR |
139 PKT_RX_TUNNEL_IPV6_HDR);
141 print_ether_addr(" src=", ð_hdr->s_addr);
142 print_ether_addr(" - dst=", ð_hdr->d_addr);
143 printf(" - type=0x%04x - length=%u - nb_segs=%d",
144 eth_type, (unsigned) mb->pkt_len,
146 if (ol_flags & PKT_RX_RSS_HASH) {
147 printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss);
148 printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue);
149 } else if (ol_flags & PKT_RX_FDIR) {
150 printf(" - FDIR matched ");
151 if (ol_flags & PKT_RX_FDIR_ID)
154 else if (ol_flags & PKT_RX_FDIR_FLX)
155 printf("flex bytes=0x%08x %08x",
156 mb->hash.fdir.hi, mb->hash.fdir.lo);
158 printf("hash=0x%x ID=0x%x ",
159 mb->hash.fdir.hash, mb->hash.fdir.id);
161 if (ol_flags & PKT_RX_VLAN_PKT)
162 printf(" - VLAN tci=0x%x", mb->vlan_tci);
163 if (ol_flags & PKT_RX_QINQ_PKT)
164 printf(" - QinQ VLAN tci=0x%x, VLAN tci outer=0x%x",
165 mb->vlan_tci, mb->vlan_tci_outer);
166 if (is_encapsulation) {
167 struct ipv4_hdr *ipv4_hdr;
168 struct ipv6_hdr *ipv6_hdr;
169 struct udp_hdr *udp_hdr;
174 struct vxlan_hdr *vxlan_hdr;
176 l2_len = sizeof(struct ether_hdr);
178 /* Do not support ipv4 option field */
179 if (ol_flags & PKT_RX_TUNNEL_IPV4_HDR) {
180 l3_len = sizeof(struct ipv4_hdr);
181 ipv4_hdr = rte_pktmbuf_mtod_offset(mb,
184 l4_proto = ipv4_hdr->next_proto_id;
186 l3_len = sizeof(struct ipv6_hdr);
187 ipv6_hdr = rte_pktmbuf_mtod_offset(mb,
190 l4_proto = ipv6_hdr->proto;
192 if (l4_proto == IPPROTO_UDP) {
193 udp_hdr = rte_pktmbuf_mtod_offset(mb,
196 l4_len = sizeof(struct udp_hdr);
197 vxlan_hdr = rte_pktmbuf_mtod_offset(mb,
199 l2_len + l3_len + l4_len);
201 printf(" - VXLAN packet: packet type =%d, "
202 "Destination UDP port =%d, VNI = %d",
203 packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port),
204 rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8);
207 printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue);
213 for (rxf = 0; rxf < sizeof(mb->ol_flags) * 8; rxf++) {
214 if ((ol_flags & (1ULL << rxf)) == 0)
216 name = rte_get_rx_ol_flag_name(1ULL << rxf);
219 printf(" %s\n", name);
222 rte_pktmbuf_free(mb);
225 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
226 end_tsc = rte_rdtsc();
227 core_cycles = (end_tsc - start_tsc);
228 fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
232 struct fwd_engine rx_only_engine = {
233 .fwd_mode_name = "rxonly",
234 .port_fwd_begin = NULL,
235 .port_fwd_end = NULL,
236 .packet_fwd = pkt_burst_receive,