1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
8 #include <rte_mempool.h>
9 #include <rte_malloc.h>
10 #include <rte_memcpy.h>
13 #include <rte_ether.h>
17 #include "rte_port_source_sink.h"
22 #ifdef RTE_PORT_STATS_COLLECT
24 #define RTE_PORT_SOURCE_STATS_PKTS_IN_ADD(port, val) \
25 port->stats.n_pkts_in += val
26 #define RTE_PORT_SOURCE_STATS_PKTS_DROP_ADD(port, val) \
27 port->stats.n_pkts_drop += val
31 #define RTE_PORT_SOURCE_STATS_PKTS_IN_ADD(port, val)
32 #define RTE_PORT_SOURCE_STATS_PKTS_DROP_ADD(port, val)
36 struct rte_port_source {
37 struct rte_port_in_stats stats;
39 struct rte_mempool *mempool;
41 /* PCAP buffers and indices */
52 pcap_source_load(struct rte_port_source *port,
53 const char *file_name,
54 uint32_t n_bytes_per_pkt,
59 uint32_t *pkt_len_aligns = NULL;
60 size_t total_buff_len = 0;
62 char pcap_errbuf[PCAP_ERRBUF_SIZE];
64 struct pcap_pkthdr pcap_hdr;
67 uint32_t pktmbuf_maxlen = (uint32_t)
68 (rte_pktmbuf_data_room_size(port->mempool) -
69 RTE_PKTMBUF_HEADROOM);
71 if (n_bytes_per_pkt == 0)
72 max_len = pktmbuf_maxlen;
74 max_len = RTE_MIN(n_bytes_per_pkt, pktmbuf_maxlen);
76 /* first time open, get packet number */
77 pcap_handle = pcap_open_offline(file_name, pcap_errbuf);
78 if (pcap_handle == NULL) {
79 RTE_LOG(ERR, PORT, "Failed to open pcap file "
80 "'%s' for reading\n", file_name);
84 while ((pkt = pcap_next(pcap_handle, &pcap_hdr)) != NULL)
87 pcap_close(pcap_handle);
89 port->pkt_len = rte_zmalloc_socket("PCAP",
90 (sizeof(*port->pkt_len) * n_pkts), 0, socket_id);
91 if (port->pkt_len == NULL) {
92 RTE_LOG(ERR, PORT, "No enough memory\n");
96 pkt_len_aligns = rte_malloc("PCAP",
97 (sizeof(*pkt_len_aligns) * n_pkts), 0);
98 if (pkt_len_aligns == NULL) {
99 RTE_LOG(ERR, PORT, "No enough memory\n");
103 port->pkts = rte_zmalloc_socket("PCAP",
104 (sizeof(*port->pkts) * n_pkts), 0, socket_id);
105 if (port->pkts == NULL) {
106 RTE_LOG(ERR, PORT, "No enough memory\n");
110 /* open 2nd time, get pkt_len */
111 pcap_handle = pcap_open_offline(file_name, pcap_errbuf);
112 if (pcap_handle == NULL) {
113 RTE_LOG(ERR, PORT, "Failed to open pcap file "
114 "'%s' for reading\n", file_name);
118 for (i = 0; i < n_pkts; i++) {
119 pcap_next(pcap_handle, &pcap_hdr);
120 port->pkt_len[i] = RTE_MIN(max_len, pcap_hdr.len);
121 pkt_len_aligns[i] = RTE_CACHE_LINE_ROUNDUP(
123 total_buff_len += pkt_len_aligns[i];
126 pcap_close(pcap_handle);
128 /* allocate a big trunk of data for pcap file load */
129 buff = rte_zmalloc_socket("PCAP",
130 total_buff_len, 0, socket_id);
132 RTE_LOG(ERR, PORT, "No enough memory\n");
136 port->pkt_buff = buff;
138 /* open file one last time to copy the pkt content */
139 pcap_handle = pcap_open_offline(file_name, pcap_errbuf);
140 if (pcap_handle == NULL) {
141 RTE_LOG(ERR, PORT, "Failed to open pcap file "
142 "'%s' for reading\n", file_name);
146 for (i = 0; i < n_pkts; i++) {
147 pkt = pcap_next(pcap_handle, &pcap_hdr);
148 rte_memcpy(buff, pkt, port->pkt_len[i]);
149 port->pkts[i] = buff;
150 buff += pkt_len_aligns[i];
153 pcap_close(pcap_handle);
155 port->n_pkts = n_pkts;
157 rte_free(pkt_len_aligns);
159 RTE_LOG(INFO, PORT, "Successfully load pcap file "
160 "'%s' with %u pkts\n",
161 file_name, port->n_pkts);
167 rte_free(pkt_len_aligns);
169 rte_free(port->pkt_len);
171 rte_free(port->pkts);
173 rte_free(port->pkt_buff);
178 #define PCAP_SOURCE_LOAD(port, file_name, n_bytes, socket_id) \
179 pcap_source_load(port, file_name, n_bytes, socket_id)
181 #else /* RTE_PORT_PCAP */
183 #define PCAP_SOURCE_LOAD(port, file_name, n_bytes, socket_id) \
188 RTE_LOG(ERR, PORT, "Source port field " \
189 "\"file_name\" is not NULL.\n"); \
196 #endif /* RTE_PORT_PCAP */
199 rte_port_source_create(void *params, int socket_id)
201 struct rte_port_source_params *p =
203 struct rte_port_source *port;
205 /* Check input arguments*/
206 if ((p == NULL) || (p->mempool == NULL)) {
207 RTE_LOG(ERR, PORT, "%s: Invalid params\n", __func__);
211 /* Memory allocation */
212 port = rte_zmalloc_socket("PORT", sizeof(*port),
213 RTE_CACHE_LINE_SIZE, socket_id);
215 RTE_LOG(ERR, PORT, "%s: Failed to allocate port\n", __func__);
220 port->mempool = (struct rte_mempool *) p->mempool;
223 int status = PCAP_SOURCE_LOAD(port, p->file_name,
224 p->n_bytes_per_pkt, socket_id);
236 rte_port_source_free(void *port)
238 struct rte_port_source *p =
241 /* Check input parameters */
246 rte_free(p->pkt_len);
250 rte_free(p->pkt_buff);
258 rte_port_source_rx(void *port, struct rte_mbuf **pkts, uint32_t n_pkts)
260 struct rte_port_source *p = port;
263 if (rte_pktmbuf_alloc_bulk(p->mempool, pkts, n_pkts) != 0)
266 if (p->pkt_buff != NULL) {
267 for (i = 0; i < n_pkts; i++) {
268 uint8_t *pkt_data = rte_pktmbuf_mtod(pkts[i],
271 rte_memcpy(pkt_data, p->pkts[p->pkt_index],
272 p->pkt_len[p->pkt_index]);
273 pkts[i]->data_len = p->pkt_len[p->pkt_index];
274 pkts[i]->pkt_len = pkts[i]->data_len;
277 if (p->pkt_index >= p->n_pkts)
282 RTE_PORT_SOURCE_STATS_PKTS_IN_ADD(p, n_pkts);
288 rte_port_source_stats_read(void *port,
289 struct rte_port_in_stats *stats, int clear)
291 struct rte_port_source *p =
295 memcpy(stats, &p->stats, sizeof(p->stats));
298 memset(&p->stats, 0, sizeof(p->stats));
306 #ifdef RTE_PORT_STATS_COLLECT
308 #define RTE_PORT_SINK_STATS_PKTS_IN_ADD(port, val) \
309 (port->stats.n_pkts_in += val)
310 #define RTE_PORT_SINK_STATS_PKTS_DROP_ADD(port, val) \
311 (port->stats.n_pkts_drop += val)
315 #define RTE_PORT_SINK_STATS_PKTS_IN_ADD(port, val)
316 #define RTE_PORT_SINK_STATS_PKTS_DROP_ADD(port, val)
320 struct rte_port_sink {
321 struct rte_port_out_stats stats;
323 /* PCAP dumper handle and pkts number */
327 uint32_t dump_finish;
333 pcap_sink_open(struct rte_port_sink *port,
334 const char *file_name,
338 pcap_dumper_t *pcap_dumper;
340 /** Open a dead pcap handler for opening dumper file */
341 tx_pcap = pcap_open_dead(DLT_EN10MB, 65535);
342 if (tx_pcap == NULL) {
343 RTE_LOG(ERR, PORT, "Cannot open pcap dead handler\n");
347 /* The dumper is created using the previous pcap_t reference */
348 pcap_dumper = pcap_dump_open(tx_pcap, file_name);
349 if (pcap_dumper == NULL) {
350 RTE_LOG(ERR, PORT, "Failed to open pcap file "
351 "\"%s\" for writing\n", file_name);
355 port->dumper = pcap_dumper;
356 port->max_pkts = max_n_pkts;
358 port->dump_finish = 0;
360 RTE_LOG(INFO, PORT, "Ready to dump packets to file \"%s\"\n",
367 pcap_sink_write_pkt(struct rte_port_sink *port, struct rte_mbuf *mbuf)
369 uint8_t *pcap_dumper = (port->dumper);
370 struct pcap_pkthdr pcap_hdr;
371 uint8_t jumbo_pkt_buf[RTE_ETHER_MAX_JUMBO_FRAME_LEN];
374 /* Maximum num packets already reached */
375 if (port->dump_finish)
378 pkt = rte_pktmbuf_mtod(mbuf, uint8_t *);
380 pcap_hdr.len = mbuf->pkt_len;
381 pcap_hdr.caplen = pcap_hdr.len;
382 gettimeofday(&(pcap_hdr.ts), NULL);
384 if (mbuf->nb_segs > 1) {
385 struct rte_mbuf *jumbo_mbuf;
386 uint32_t pkt_index = 0;
388 /* if packet size longer than RTE_ETHER_MAX_JUMBO_FRAME_LEN,
391 if (mbuf->pkt_len > RTE_ETHER_MAX_JUMBO_FRAME_LEN)
394 for (jumbo_mbuf = mbuf; jumbo_mbuf != NULL;
395 jumbo_mbuf = jumbo_mbuf->next) {
396 rte_memcpy(&jumbo_pkt_buf[pkt_index],
397 rte_pktmbuf_mtod(jumbo_mbuf, uint8_t *),
398 jumbo_mbuf->data_len);
399 pkt_index += jumbo_mbuf->data_len;
402 jumbo_pkt_buf[pkt_index] = '\0';
407 pcap_dump(pcap_dumper, &pcap_hdr, pkt);
411 if ((port->max_pkts != 0) && (port->pkt_index >= port->max_pkts)) {
412 port->dump_finish = 1;
413 RTE_LOG(INFO, PORT, "Dumped %u packets to file\n",
419 #define PCAP_SINK_OPEN(port, file_name, max_n_pkts) \
420 pcap_sink_open(port, file_name, max_n_pkts)
422 #define PCAP_SINK_WRITE_PKT(port, mbuf) \
423 pcap_sink_write_pkt(port, mbuf)
425 #define PCAP_SINK_FLUSH_PKT(dumper) \
428 pcap_dump_flush((pcap_dumper_t *)dumper); \
431 #define PCAP_SINK_CLOSE(dumper) \
434 pcap_dump_close((pcap_dumper_t *)dumper); \
439 #define PCAP_SINK_OPEN(port, file_name, max_n_pkts) \
444 RTE_LOG(ERR, PORT, "Sink port field " \
445 "\"file_name\" is not NULL.\n"); \
452 #define PCAP_SINK_WRITE_PKT(port, mbuf) {}
454 #define PCAP_SINK_FLUSH_PKT(dumper)
456 #define PCAP_SINK_CLOSE(dumper)
461 rte_port_sink_create(void *params, int socket_id)
463 struct rte_port_sink *port;
464 struct rte_port_sink_params *p = params;
466 /* Memory allocation */
467 port = rte_zmalloc_socket("PORT", sizeof(*port),
468 RTE_CACHE_LINE_SIZE, socket_id);
470 RTE_LOG(ERR, PORT, "%s: Failed to allocate port\n", __func__);
478 int status = PCAP_SINK_OPEN(port, p->file_name,
491 rte_port_sink_tx(void *port, struct rte_mbuf *pkt)
493 struct rte_port_sink *p = port;
495 RTE_PORT_SINK_STATS_PKTS_IN_ADD(p, 1);
496 if (p->dumper != NULL)
497 PCAP_SINK_WRITE_PKT(p, pkt);
498 rte_pktmbuf_free(pkt);
499 RTE_PORT_SINK_STATS_PKTS_DROP_ADD(p, 1);
505 rte_port_sink_tx_bulk(void *port, struct rte_mbuf **pkts,
508 struct rte_port_sink *p = port;
510 if ((pkts_mask & (pkts_mask + 1)) == 0) {
511 uint64_t n_pkts = __builtin_popcountll(pkts_mask);
514 RTE_PORT_SINK_STATS_PKTS_IN_ADD(p, n_pkts);
515 RTE_PORT_SINK_STATS_PKTS_DROP_ADD(p, n_pkts);
518 for (i = 0; i < n_pkts; i++)
519 PCAP_SINK_WRITE_PKT(p, pkts[i]);
522 for (i = 0; i < n_pkts; i++) {
523 struct rte_mbuf *pkt = pkts[i];
525 rte_pktmbuf_free(pkt);
530 uint64_t dump_pkts_mask = pkts_mask;
533 for ( ; dump_pkts_mask; ) {
534 pkt_index = __builtin_ctzll(
536 PCAP_SINK_WRITE_PKT(p, pkts[pkt_index]);
537 dump_pkts_mask &= ~(1LLU << pkt_index);
541 for ( ; pkts_mask; ) {
542 uint32_t pkt_index = __builtin_ctzll(pkts_mask);
543 uint64_t pkt_mask = 1LLU << pkt_index;
544 struct rte_mbuf *pkt = pkts[pkt_index];
546 RTE_PORT_SINK_STATS_PKTS_IN_ADD(p, 1);
547 RTE_PORT_SINK_STATS_PKTS_DROP_ADD(p, 1);
548 rte_pktmbuf_free(pkt);
549 pkts_mask &= ~pkt_mask;
557 rte_port_sink_flush(void *port)
559 struct rte_port_sink *p =
565 PCAP_SINK_FLUSH_PKT(p->dumper);
571 rte_port_sink_free(void *port)
573 struct rte_port_sink *p =
579 PCAP_SINK_CLOSE(p->dumper);
587 rte_port_sink_stats_read(void *port, struct rte_port_out_stats *stats,
590 struct rte_port_sink *p =
594 memcpy(stats, &p->stats, sizeof(p->stats));
597 memset(&p->stats, 0, sizeof(p->stats));
603 * Summary of port operations
605 struct rte_port_in_ops rte_port_source_ops = {
606 .f_create = rte_port_source_create,
607 .f_free = rte_port_source_free,
608 .f_rx = rte_port_source_rx,
609 .f_stats = rte_port_source_stats_read,
612 struct rte_port_out_ops rte_port_sink_ops = {
613 .f_create = rte_port_sink_create,
614 .f_free = rte_port_sink_free,
615 .f_tx = rte_port_sink_tx,
616 .f_tx_bulk = rte_port_sink_tx_bulk,
617 .f_flush = rte_port_sink_flush,
618 .f_stats = rte_port_sink_stats_read,