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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_launch.h>
54 #include <rte_per_lcore.h>
55 #include <rte_lcore.h>
56 #include <rte_atomic.h>
57 #include <rte_branch_prediction.h>
58 #include <rte_mempool.h>
60 #include <rte_interrupts.h>
62 #include <rte_ether.h>
63 #include <rte_ethdev.h>
64 #include <rte_string_fns.h>
73 print_ether_addr(const char *what, struct ether_addr *eth_addr)
75 char buf[ETHER_ADDR_FMT_SIZE];
76 ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
77 printf("%s%s", what, buf);
81 * Received a burst of packets.
84 pkt_burst_receive(struct fwd_stream *fs)
86 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
88 struct ether_hdr *eth_hdr;
92 uint16_t i, packet_type;
93 uint16_t is_encapsulation;
95 struct rte_net_hdr_lens hdr_lens;
96 uint32_t sw_packet_type;
98 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
101 uint64_t 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",
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;
137 is_encapsulation = RTE_ETH_IS_TUNNEL_PKT(packet_type);
139 print_ether_addr(" src=", ð_hdr->s_addr);
140 print_ether_addr(" - dst=", ð_hdr->d_addr);
141 printf(" - type=0x%04x - length=%u - nb_segs=%d",
142 eth_type, (unsigned) mb->pkt_len,
144 if (ol_flags & PKT_RX_RSS_HASH) {
145 printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss);
146 printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue);
148 if (ol_flags & PKT_RX_FDIR) {
149 printf(" - FDIR matched ");
150 if (ol_flags & PKT_RX_FDIR_ID)
153 else if (ol_flags & PKT_RX_FDIR_FLX)
154 printf("flex bytes=0x%08x %08x",
155 mb->hash.fdir.hi, mb->hash.fdir.lo);
157 printf("hash=0x%x ID=0x%x ",
158 mb->hash.fdir.hash, mb->hash.fdir.id);
160 if (ol_flags & PKT_RX_TIMESTAMP)
161 printf(" - timestamp %"PRIu64" ", mb->timestamp);
162 if (ol_flags & PKT_RX_VLAN_STRIPPED)
163 printf(" - VLAN tci=0x%x", mb->vlan_tci);
164 if (ol_flags & PKT_RX_QINQ_STRIPPED)
165 printf(" - QinQ VLAN tci=0x%x, VLAN tci outer=0x%x",
166 mb->vlan_tci, mb->vlan_tci_outer);
167 if (mb->packet_type) {
168 rte_get_ptype_name(mb->packet_type, buf, sizeof(buf));
169 printf(" - hw ptype: %s", buf);
171 sw_packet_type = rte_net_get_ptype(mb, &hdr_lens,
173 rte_get_ptype_name(sw_packet_type, buf, sizeof(buf));
174 printf(" - sw ptype: %s", buf);
175 if (sw_packet_type & RTE_PTYPE_L2_MASK)
176 printf(" - l2_len=%d", hdr_lens.l2_len);
177 if (sw_packet_type & RTE_PTYPE_L3_MASK)
178 printf(" - l3_len=%d", hdr_lens.l3_len);
179 if (sw_packet_type & RTE_PTYPE_L4_MASK)
180 printf(" - l4_len=%d", hdr_lens.l4_len);
181 if (sw_packet_type & RTE_PTYPE_TUNNEL_MASK)
182 printf(" - tunnel_len=%d", hdr_lens.tunnel_len);
183 if (sw_packet_type & RTE_PTYPE_INNER_L2_MASK)
184 printf(" - inner_l2_len=%d", hdr_lens.inner_l2_len);
185 if (sw_packet_type & RTE_PTYPE_INNER_L3_MASK)
186 printf(" - inner_l3_len=%d", hdr_lens.inner_l3_len);
187 if (sw_packet_type & RTE_PTYPE_INNER_L4_MASK)
188 printf(" - inner_l4_len=%d", hdr_lens.inner_l4_len);
189 if (is_encapsulation) {
190 struct ipv4_hdr *ipv4_hdr;
191 struct ipv6_hdr *ipv6_hdr;
192 struct udp_hdr *udp_hdr;
197 struct vxlan_hdr *vxlan_hdr;
199 l2_len = sizeof(struct ether_hdr);
201 /* Do not support ipv4 option field */
202 if (RTE_ETH_IS_IPV4_HDR(packet_type)) {
203 l3_len = sizeof(struct ipv4_hdr);
204 ipv4_hdr = rte_pktmbuf_mtod_offset(mb,
207 l4_proto = ipv4_hdr->next_proto_id;
209 l3_len = sizeof(struct ipv6_hdr);
210 ipv6_hdr = rte_pktmbuf_mtod_offset(mb,
213 l4_proto = ipv6_hdr->proto;
215 if (l4_proto == IPPROTO_UDP) {
216 udp_hdr = rte_pktmbuf_mtod_offset(mb,
219 l4_len = sizeof(struct udp_hdr);
220 vxlan_hdr = rte_pktmbuf_mtod_offset(mb,
222 l2_len + l3_len + l4_len);
224 printf(" - VXLAN packet: packet type =%d, "
225 "Destination UDP port =%d, VNI = %d",
226 packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port),
227 rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8);
230 printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue);
232 rte_get_rx_ol_flag_list(mb->ol_flags, buf, sizeof(buf));
233 printf(" ol_flags: %s\n", buf);
234 rte_pktmbuf_free(mb);
237 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
238 end_tsc = rte_rdtsc();
239 core_cycles = (end_tsc - start_tsc);
240 fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
244 struct fwd_engine rx_only_engine = {
245 .fwd_mode_name = "rxonly",
246 .port_fwd_begin = NULL,
247 .port_fwd_end = NULL,
248 .packet_fwd = pkt_burst_receive,