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37 #include <rte_mempool.h>
38 #include <rte_malloc.h>
39 #include <rte_memcpy.h>
44 #include <rte_ether.h>
52 #include "rte_port_source_sink.h"
57 #ifdef RTE_PORT_STATS_COLLECT
59 #define RTE_PORT_SOURCE_STATS_PKTS_IN_ADD(port, val) \
60 port->stats.n_pkts_in += val
61 #define RTE_PORT_SOURCE_STATS_PKTS_DROP_ADD(port, val) \
62 port->stats.n_pkts_drop += val
66 #define RTE_PORT_SOURCE_STATS_PKTS_IN_ADD(port, val)
67 #define RTE_PORT_SOURCE_STATS_PKTS_DROP_ADD(port, val)
71 struct rte_port_source {
72 struct rte_port_in_stats stats;
74 struct rte_mempool *mempool;
76 /* PCAP buffers and indices */
89 pcap_source_load(struct rte_port_source *port,
90 const char *file_name,
91 uint32_t n_bytes_per_pkt,
96 uint32_t *pkt_len_aligns = NULL;
97 size_t total_buff_len = 0;
99 char pcap_errbuf[PCAP_ERRBUF_SIZE];
101 struct pcap_pkthdr pcap_hdr;
103 uint8_t *buff = NULL;
104 uint32_t pktmbuf_maxlen = (uint32_t)
105 (rte_pktmbuf_data_room_size(port->mempool) -
106 RTE_PKTMBUF_HEADROOM);
108 if (n_bytes_per_pkt == 0)
109 max_len = pktmbuf_maxlen;
111 max_len = RTE_MIN(n_bytes_per_pkt, pktmbuf_maxlen);
113 /* first time open, get packet number */
114 pcap_handle = pcap_open_offline(file_name, pcap_errbuf);
115 if (pcap_handle == NULL) {
116 RTE_LOG(ERR, PORT, "Failed to open pcap file "
117 "'%s' for reading\n", file_name);
121 while ((pkt = pcap_next(pcap_handle, &pcap_hdr)) != NULL)
124 pcap_close(pcap_handle);
126 port->pkt_len = rte_zmalloc_socket("PCAP",
127 (sizeof(*port->pkt_len) * n_pkts), 0, socket_id);
128 if (port->pkt_len == NULL) {
129 RTE_LOG(ERR, PORT, "No enough memory\n");
133 pkt_len_aligns = rte_malloc("PCAP",
134 (sizeof(*pkt_len_aligns) * n_pkts), 0);
135 if (pkt_len_aligns == NULL) {
136 RTE_LOG(ERR, PORT, "No enough memory\n");
140 port->pkts = rte_zmalloc_socket("PCAP",
141 (sizeof(*port->pkts) * n_pkts), 0, socket_id);
142 if (port->pkts == NULL) {
143 RTE_LOG(ERR, PORT, "No enough memory\n");
147 /* open 2nd time, get pkt_len */
148 pcap_handle = pcap_open_offline(file_name, pcap_errbuf);
149 if (pcap_handle == NULL) {
150 RTE_LOG(ERR, PORT, "Failed to open pcap file "
151 "'%s' for reading\n", file_name);
155 for (i = 0; i < n_pkts; i++) {
156 pkt = pcap_next(pcap_handle, &pcap_hdr);
157 port->pkt_len[i] = RTE_MIN(max_len, pcap_hdr.len);
158 pkt_len_aligns[i] = RTE_CACHE_LINE_ROUNDUP(
160 total_buff_len += pkt_len_aligns[i];
163 pcap_close(pcap_handle);
165 /* allocate a big trunk of data for pcap file load */
166 buff = rte_zmalloc_socket("PCAP",
167 total_buff_len, 0, socket_id);
169 RTE_LOG(ERR, PORT, "No enough memory\n");
173 port->pkt_buff = buff;
175 /* open file one last time to copy the pkt content */
176 pcap_handle = pcap_open_offline(file_name, pcap_errbuf);
177 if (pcap_handle == NULL) {
178 RTE_LOG(ERR, PORT, "Failed to open pcap file "
179 "'%s' for reading\n", file_name);
183 for (i = 0; i < n_pkts; i++) {
184 pkt = pcap_next(pcap_handle, &pcap_hdr);
185 rte_memcpy(buff, pkt, port->pkt_len[i]);
186 port->pkts[i] = buff;
187 buff += pkt_len_aligns[i];
190 pcap_close(pcap_handle);
192 port->n_pkts = n_pkts;
194 rte_free(pkt_len_aligns);
196 RTE_LOG(INFO, PORT, "Successfully load pcap file "
197 "'%s' with %u pkts\n",
198 file_name, port->n_pkts);
204 rte_free(pkt_len_aligns);
206 rte_free(port->pkt_len);
208 rte_free(port->pkts);
210 rte_free(port->pkt_buff);
215 #define PCAP_SOURCE_LOAD(port, file_name, n_bytes, socket_id) \
216 pcap_source_load(port, file_name, n_bytes, socket_id)
218 #else /* RTE_PORT_PCAP */
220 #define PCAP_SOURCE_LOAD(port, file_name, n_bytes, socket_id) \
225 RTE_LOG(ERR, PORT, "Source port field " \
226 "\"file_name\" is not NULL.\n"); \
233 #endif /* RTE_PORT_PCAP */
235 #endif /* RTE_NEXT_ABI */
238 rte_port_source_create(void *params, int socket_id)
240 struct rte_port_source_params *p =
241 (struct rte_port_source_params *) params;
242 struct rte_port_source *port;
244 /* Check input arguments*/
245 if ((p == NULL) || (p->mempool == NULL)) {
246 RTE_LOG(ERR, PORT, "%s: Invalid params\n", __func__);
250 /* Memory allocation */
251 port = rte_zmalloc_socket("PORT", sizeof(*port),
252 RTE_CACHE_LINE_SIZE, socket_id);
254 RTE_LOG(ERR, PORT, "%s: Failed to allocate port\n", __func__);
259 port->mempool = (struct rte_mempool *) p->mempool;
264 int status = PCAP_SOURCE_LOAD(port, p->file_name,
265 p->n_bytes_per_pkt, socket_id);
279 rte_port_source_free(void *port)
281 struct rte_port_source *p =
282 (struct rte_port_source *)port;
284 /* Check input parameters */
289 rte_free(p->pkt_len);
293 rte_free(p->pkt_buff);
301 rte_port_source_rx(void *port, struct rte_mbuf **pkts, uint32_t n_pkts)
303 struct rte_port_source *p = (struct rte_port_source *) port;
306 if (rte_mempool_get_bulk(p->mempool, (void **) pkts, n_pkts) != 0)
309 for (i = 0; i < n_pkts; i++) {
310 rte_mbuf_refcnt_set(pkts[i], 1);
311 rte_pktmbuf_reset(pkts[i]);
314 if (p->pkt_buff != NULL) {
315 for (i = 0; i < n_pkts; i++) {
316 uint8_t *pkt_data = rte_pktmbuf_mtod(pkts[i],
319 rte_memcpy(pkt_data, p->pkts[p->pkt_index],
320 p->pkt_len[p->pkt_index]);
321 pkts[i]->data_len = p->pkt_len[p->pkt_index];
322 pkts[i]->pkt_len = pkts[i]->data_len;
325 if (p->pkt_index >= p->n_pkts)
330 RTE_PORT_SOURCE_STATS_PKTS_IN_ADD(p, n_pkts);
336 rte_port_source_stats_read(void *port,
337 struct rte_port_in_stats *stats, int clear)
339 struct rte_port_source *p =
340 (struct rte_port_source *) port;
343 memcpy(stats, &p->stats, sizeof(p->stats));
346 memset(&p->stats, 0, sizeof(p->stats));
354 #ifdef RTE_PORT_STATS_COLLECT
356 #define RTE_PORT_SINK_STATS_PKTS_IN_ADD(port, val) \
357 (port->stats.n_pkts_in += val)
358 #define RTE_PORT_SINK_STATS_PKTS_DROP_ADD(port, val) \
359 (port->stats.n_pkts_drop += val)
363 #define RTE_PORT_SINK_STATS_PKTS_IN_ADD(port, val)
364 #define RTE_PORT_SINK_STATS_PKTS_DROP_ADD(port, val)
368 struct rte_port_sink {
369 struct rte_port_out_stats stats;
371 /* PCAP dumper handle and pkts number */
375 uint32_t dump_finish;
381 pcap_sink_open(struct rte_port_sink *port,
382 const char *file_name,
386 pcap_dumper_t *pcap_dumper;
388 /** Open a dead pcap handler for opening dumper file */
389 tx_pcap = pcap_open_dead(DLT_EN10MB, 65535);
390 if (tx_pcap == NULL) {
391 RTE_LOG(ERR, PORT, "Cannot open pcap dead handler\n");
395 /* The dumper is created using the previous pcap_t reference */
396 pcap_dumper = pcap_dump_open(tx_pcap, file_name);
397 if (pcap_dumper == NULL) {
398 RTE_LOG(ERR, PORT, "Failed to open pcap file "
399 "\"%s\" for writing\n", file_name);
403 port->dumper = pcap_dumper;
404 port->max_pkts = max_n_pkts;
406 port->dump_finish = 0;
408 RTE_LOG(INFO, PORT, "Ready to dump packets to file \"%s\"\n",
415 pcap_sink_write_pkt(struct rte_port_sink *port, struct rte_mbuf *mbuf)
417 uint8_t *pcap_dumper = (uint8_t *)(port->dumper);
418 struct pcap_pkthdr pcap_hdr;
419 uint8_t jumbo_pkt_buf[ETHER_MAX_JUMBO_FRAME_LEN];
422 /* Maximum num packets already reached */
423 if (port->dump_finish)
426 pkt = rte_pktmbuf_mtod(mbuf, uint8_t *);
428 pcap_hdr.len = mbuf->pkt_len;
429 pcap_hdr.caplen = pcap_hdr.len;
430 gettimeofday(&(pcap_hdr.ts), NULL);
432 if (mbuf->nb_segs > 1) {
433 struct rte_mbuf *jumbo_mbuf;
434 uint32_t pkt_index = 0;
436 /* if packet size longer than ETHER_MAX_JUMBO_FRAME_LEN,
439 if (mbuf->pkt_len > ETHER_MAX_JUMBO_FRAME_LEN)
442 for (jumbo_mbuf = mbuf; jumbo_mbuf != NULL;
443 jumbo_mbuf = jumbo_mbuf->next) {
444 rte_memcpy(&jumbo_pkt_buf[pkt_index],
445 rte_pktmbuf_mtod(jumbo_mbuf, uint8_t *),
446 jumbo_mbuf->data_len);
447 pkt_index += jumbo_mbuf->data_len;
450 jumbo_pkt_buf[pkt_index] = '\0';
455 pcap_dump(pcap_dumper, &pcap_hdr, pkt);
459 if ((port->max_pkts != 0) && (port->pkt_index >= port->max_pkts)) {
460 port->dump_finish = 1;
461 RTE_LOG(INFO, PORT, "Dumped %u packets to file\n",
467 #define PCAP_SINK_OPEN(port, file_name, max_n_pkts) \
468 pcap_sink_open(port, file_name, max_n_pkts)
470 #define PCAP_SINK_WRITE_PKT(port, mbuf) \
471 pcap_sink_write_pkt(port, mbuf)
473 #define PCAP_SINK_FLUSH_PKT(dumper) \
476 pcap_dump_flush((pcap_dumper_t *)dumper); \
479 #define PCAP_SINK_CLOSE(dumper) \
482 pcap_dump_close((pcap_dumper_t *)dumper); \
487 #define PCAP_SINK_OPEN(port, file_name, max_n_pkts) \
492 RTE_LOG(ERR, PORT, "Sink port field " \
493 "\"file_name\" is not NULL.\n"); \
500 #define PCAP_SINK_WRITE_PKT(port, mbuf) {}
502 #define PCAP_SINK_FLUSH_PKT(dumper)
504 #define PCAP_SINK_CLOSE(dumper)
509 rte_port_sink_create(void *params, int socket_id)
511 struct rte_port_sink *port;
512 struct rte_port_sink_params *p = params;
514 /* Memory allocation */
515 port = rte_zmalloc_socket("PORT", sizeof(*port),
516 RTE_CACHE_LINE_SIZE, socket_id);
518 RTE_LOG(ERR, PORT, "%s: Failed to allocate port\n", __func__);
526 int status = PCAP_SINK_OPEN(port, p->file_name,
539 rte_port_sink_tx(void *port, struct rte_mbuf *pkt)
541 struct rte_port_sink *p = (struct rte_port_sink *) port;
543 RTE_PORT_SINK_STATS_PKTS_IN_ADD(p, 1);
544 if (p->dumper != NULL)
545 PCAP_SINK_WRITE_PKT(p, pkt);
546 rte_pktmbuf_free(pkt);
547 RTE_PORT_SINK_STATS_PKTS_DROP_ADD(p, 1);
553 rte_port_sink_tx_bulk(void *port, struct rte_mbuf **pkts,
556 struct rte_port_sink *p = (struct rte_port_sink *) port;
558 if ((pkts_mask & (pkts_mask + 1)) == 0) {
559 uint64_t n_pkts = __builtin_popcountll(pkts_mask);
562 RTE_PORT_SINK_STATS_PKTS_IN_ADD(p, n_pkts);
563 RTE_PORT_SINK_STATS_PKTS_DROP_ADD(p, n_pkts);
566 for (i = 0; i < n_pkts; i++)
567 PCAP_SINK_WRITE_PKT(p, pkts[i]);
570 for (i = 0; i < n_pkts; i++) {
571 struct rte_mbuf *pkt = pkts[i];
573 rte_pktmbuf_free(pkt);
578 uint64_t dump_pkts_mask = pkts_mask;
581 for ( ; dump_pkts_mask; ) {
582 pkt_index = __builtin_ctzll(
584 PCAP_SINK_WRITE_PKT(p, pkts[pkt_index]);
585 dump_pkts_mask &= ~(1LLU << pkt_index);
589 for ( ; pkts_mask; ) {
590 uint32_t pkt_index = __builtin_ctzll(pkts_mask);
591 uint64_t pkt_mask = 1LLU << pkt_index;
592 struct rte_mbuf *pkt = pkts[pkt_index];
594 RTE_PORT_SINK_STATS_PKTS_IN_ADD(p, 1);
595 RTE_PORT_SINK_STATS_PKTS_DROP_ADD(p, 1);
596 rte_pktmbuf_free(pkt);
597 pkts_mask &= ~pkt_mask;
605 rte_port_sink_flush(void *port)
607 struct rte_port_sink *p =
608 (struct rte_port_sink *)port;
613 PCAP_SINK_FLUSH_PKT(p->dumper);
619 rte_port_sink_free(void *port)
621 struct rte_port_sink *p =
622 (struct rte_port_sink *)port;
627 PCAP_SINK_CLOSE(p->dumper);
635 rte_port_sink_stats_read(void *port, struct rte_port_out_stats *stats,
638 struct rte_port_sink *p =
639 (struct rte_port_sink *) port;
642 memcpy(stats, &p->stats, sizeof(p->stats));
645 memset(&p->stats, 0, sizeof(p->stats));
651 * Summary of port operations
653 struct rte_port_in_ops rte_port_source_ops = {
654 .f_create = rte_port_source_create,
655 .f_free = rte_port_source_free,
656 .f_rx = rte_port_source_rx,
657 .f_stats = rte_port_source_stats_read,
660 struct rte_port_out_ops rte_port_sink_ops = {
661 .f_create = rte_port_sink_create,
662 .f_free = rte_port_sink_free,
663 .f_tx = rte_port_sink_tx,
664 .f_tx_bulk = rte_port_sink_tx_bulk,
665 .f_flush = rte_port_sink_flush,
666 .f_stats = rte_port_sink_stats_read,