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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>
54 #include <rte_tailq.h>
56 #include <rte_per_lcore.h>
57 #include <rte_lcore.h>
58 #include <rte_atomic.h>
59 #include <rte_branch_prediction.h>
61 #include <rte_memory.h>
62 #include <rte_mempool.h>
64 #include <rte_interrupts.h>
66 #include <rte_ether.h>
67 #include <rte_ethdev.h>
68 #include <rte_string_fns.h>
72 #define MAX_PKT_RX_FLAGS 11
73 static const char *pkt_rx_flag_names[MAX_PKT_RX_FLAGS] = {
90 print_ether_addr(const char *what, struct ether_addr *eth_addr)
92 printf("%s%02X:%02X:%02X:%02X:%02X:%02X",
94 eth_addr->addr_bytes[0],
95 eth_addr->addr_bytes[1],
96 eth_addr->addr_bytes[2],
97 eth_addr->addr_bytes[3],
98 eth_addr->addr_bytes[4],
99 eth_addr->addr_bytes[5]);
103 * Received a burst of packets.
106 pkt_burst_receive(struct fwd_stream *fs)
108 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
110 struct ether_hdr *eth_hdr;
115 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
118 uint64_t core_cycles;
121 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
122 start_tsc = rte_rdtsc();
126 * Receive a burst of packets.
128 nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
130 if (unlikely(nb_rx == 0))
133 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
134 fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
136 fs->rx_packets += nb_rx;
139 * Dump each received packet if verbose_level > 0.
141 if (verbose_level > 0)
142 printf("port %u/queue %u: received %u packets\n",
143 (unsigned) fs->rx_port,
144 (unsigned) fs->rx_queue,
146 for (i = 0; i < nb_rx; i++) {
148 if (verbose_level == 0) {
149 rte_pktmbuf_free(mb);
152 eth_hdr = (struct ether_hdr *) mb->pkt.data;
153 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
154 ol_flags = mb->ol_flags;
155 print_ether_addr(" src=", ð_hdr->s_addr);
156 print_ether_addr(" - dst=", ð_hdr->d_addr);
157 printf(" - type=0x%04x - length=%u - nb_segs=%d",
158 eth_type, (unsigned) mb->pkt.pkt_len,
159 (int)mb->pkt.nb_segs);
160 if (ol_flags & PKT_RX_RSS_HASH) {
161 printf(" - RSS hash=0x%x", (unsigned) mb->pkt.hash.rss);
162 printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue);
164 else if (ol_flags & PKT_RX_FDIR)
165 printf(" - FDIR hash=0x%x - FDIR id=0x%x ",
166 mb->pkt.hash.fdir.hash, mb->pkt.hash.fdir.id);
167 if (ol_flags & PKT_RX_VLAN_PKT)
168 printf(" - VLAN tci=0x%x",
169 mb->pkt.vlan_macip.f.vlan_tci);
174 for (rxf = 0; rxf < MAX_PKT_RX_FLAGS; rxf++) {
175 if (ol_flags & (1 << rxf))
176 printf(" PKT_RX_%s\n",
177 pkt_rx_flag_names[rxf]);
180 rte_pktmbuf_free(mb);
183 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
184 end_tsc = rte_rdtsc();
185 core_cycles = (end_tsc - start_tsc);
186 fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
190 struct fwd_engine rx_only_engine = {
191 .fwd_mode_name = "rxonly",
192 .port_fwd_begin = NULL,
193 .port_fwd_end = NULL,
194 .packet_fwd = pkt_burst_receive,