1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
3 */
4
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <stdint.h>
8 #include <inttypes.h>
9 #include <sys/types.h>
10 #include <string.h>
11 #include <sys/queue.h>
12 #include <stdarg.h>
13 #include <errno.h>
14 #include <getopt.h>
15
16 #include <rte_common.h>
17 #include <rte_byteorder.h>
18 #include <rte_log.h>
19 #include <rte_memory.h>
20 #include <rte_memcpy.h>
21 #include <rte_eal.h>
22 #include <rte_per_lcore.h>
23 #include <rte_launch.h>
24 #include <rte_cycles.h>
25 #include <rte_prefetch.h>
26 #include <rte_branch_prediction.h>
27 #include <rte_interrupts.h>
28 #include <rte_pci.h>
29 #include <rte_random.h>
30 #include <rte_debug.h>
31 #include <rte_ether.h>
32 #include <rte_ethdev.h>
33 #include <rte_ring.h>
34 #include <rte_mempool.h>
35 #include <rte_mbuf.h>
36 #include <rte_ip.h>
37 #include <rte_tcp.h>
38 #include <rte_lpm.h>
39 #include <rte_lpm6.h>
40 #include <rte_malloc.h>
41
42 #include "main.h"
43
44 void
app_main_loop_rx(void)45 app_main_loop_rx(void) {
46 uint32_t i;
47 int ret;
48
49 RTE_LOG(INFO, USER1, "Core %u is doing RX\n", rte_lcore_id());
50
51 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
52 uint16_t n_mbufs;
53
54 n_mbufs = rte_eth_rx_burst(
55 app.ports[i],
56 0,
57 app.mbuf_rx.array,
58 app.burst_size_rx_read);
59
60 if (n_mbufs == 0)
61 continue;
62
63 do {
64 ret = rte_ring_sp_enqueue_bulk(
65 app.rings_rx[i],
66 (void **) app.mbuf_rx.array,
67 n_mbufs, NULL);
68 } while (ret == 0);
69 }
70 }
71
72 void
app_main_loop_worker(void)73 app_main_loop_worker(void) {
74 struct app_mbuf_array *worker_mbuf;
75 uint32_t i;
76
77 RTE_LOG(INFO, USER1, "Core %u is doing work (no pipeline)\n",
78 rte_lcore_id());
79
80 worker_mbuf = rte_malloc_socket(NULL, sizeof(struct app_mbuf_array),
81 RTE_CACHE_LINE_SIZE, rte_socket_id());
82 if (worker_mbuf == NULL)
83 rte_panic("Worker thread: cannot allocate buffer space\n");
84
85 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
86 int ret;
87
88 ret = rte_ring_sc_dequeue_bulk(
89 app.rings_rx[i],
90 (void **) worker_mbuf->array,
91 app.burst_size_worker_read,
92 NULL);
93
94 if (ret == 0)
95 continue;
96
97 do {
98 ret = rte_ring_sp_enqueue_bulk(
99 app.rings_tx[i ^ 1],
100 (void **) worker_mbuf->array,
101 app.burst_size_worker_write,
102 NULL);
103 } while (ret == 0);
104 }
105 }
106
107 void
app_main_loop_tx(void)108 app_main_loop_tx(void) {
109 uint32_t i;
110
111 RTE_LOG(INFO, USER1, "Core %u is doing TX\n", rte_lcore_id());
112
113 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
114 uint16_t n_mbufs, n_pkts;
115 int ret;
116
117 n_mbufs = app.mbuf_tx[i].n_mbufs;
118
119 ret = rte_ring_sc_dequeue_bulk(
120 app.rings_tx[i],
121 (void **) &app.mbuf_tx[i].array[n_mbufs],
122 app.burst_size_tx_read,
123 NULL);
124
125 if (ret == 0)
126 continue;
127
128 n_mbufs += app.burst_size_tx_read;
129
130 if (n_mbufs < app.burst_size_tx_write) {
131 app.mbuf_tx[i].n_mbufs = n_mbufs;
132 continue;
133 }
134
135 n_pkts = rte_eth_tx_burst(
136 app.ports[i],
137 0,
138 app.mbuf_tx[i].array,
139 n_mbufs);
140
141 if (n_pkts < n_mbufs) {
142 uint16_t k;
143
144 for (k = n_pkts; k < n_mbufs; k++) {
145 struct rte_mbuf *pkt_to_free;
146
147 pkt_to_free = app.mbuf_tx[i].array[k];
148 rte_pktmbuf_free(pkt_to_free);
149 }
150 }
151
152 app.mbuf_tx[i].n_mbufs = 0;
153 }
154 }
155