1 /*
2 * Copyright (c) 2012 Intel Corporation. All rights reserved.
3 *
4 * This software is available to you under the OpenIB.org BSD license
5 * below:
6 *
7 * Redistribution and use in source and binary forms, with or
8 * without modification, are permitted provided that the following
9 * conditions are met:
10 *
11 * - Redistributions of source code must retain the above
12 * copyright notice, this list of conditions and the following
13 * disclaimer.
14 *
15 * - Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer in the documentation and/or other materials
18 * provided with the distribution.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AWV
23 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
24 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
25 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
26 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 * SOFTWARE.
28 */
29
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <string.h>
33 #include <strings.h>
34 #include <errno.h>
35 #include <getopt.h>
36 #include <sys/types.h>
37 #include <sys/socket.h>
38 #include <sys/time.h>
39 #include <sys/wait.h>
40 #include <netdb.h>
41 #include <fcntl.h>
42 #include <unistd.h>
43 #include <netinet/tcp.h>
44 #include <arpa/inet.h>
45
46 #include <rdma/rdma_cma.h>
47 #include <rdma/rsocket.h>
48 #include <util/compiler.h>
49 #include "common.h"
50
51 static int test_size[] = {
52 (1 << 6),
53 (1 << 7), ((1 << 7) + (1 << 6)),
54 (1 << 8), ((1 << 8) + (1 << 7)),
55 (1 << 9), ((1 << 9) + (1 << 8)),
56 (1 << 10), ((1 << 10) + (1 << 9)),
57 };
58 #define TEST_CNT (sizeof test_size / sizeof test_size[0])
59
60 enum {
61 msg_op_login,
62 msg_op_start,
63 msg_op_data,
64 msg_op_echo,
65 msg_op_end
66 };
67
68 struct message {
69 uint8_t op;
70 uint8_t id;
71 uint8_t seqno;
72 uint8_t reserved;
73 __be32 data;
74 uint8_t buf[2048];
75 };
76
77 #define CTRL_MSG_SIZE 16
78
79 struct client {
80 uint64_t recvcnt;
81 };
82
83 static struct client clients[256];
84 static uint8_t id;
85
86 static int rs;
87 static int use_async;
88 static int flags = MSG_DONTWAIT;
89 static int poll_timeout;
90 static int custom;
91 static int echo;
92 static int transfer_size = 1000;
93 static int transfer_count = 1000;
94 static int buffer_size;
95 static char test_name[10] = "custom";
96 static const char *port = "7174";
97 static char *dst_addr;
98 static char *src_addr;
99 static union socket_addr g_addr;
100 static socklen_t g_addrlen;
101 static struct timeval start, end;
102 static struct message g_msg;
103
show_perf(void)104 static void show_perf(void)
105 {
106 char str[32];
107 float usec;
108 long long bytes;
109 int transfers;
110
111 usec = (end.tv_sec - start.tv_sec) * 1000000 + (end.tv_usec - start.tv_usec);
112 transfers = echo ? transfer_count * 2 : be32toh(g_msg.data);
113 bytes = (long long) transfers * transfer_size;
114
115 /* name size transfers bytes seconds Gb/sec usec/xfer */
116 printf("%-10s", test_name);
117 size_str(str, sizeof str, transfer_size);
118 printf("%-8s", str);
119 cnt_str(str, sizeof str, transfers);
120 printf("%-8s", str);
121 size_str(str, sizeof str, bytes);
122 printf("%-8s", str);
123 printf("%8.2fs%10.2f%11.2f\n",
124 usec / 1000000., (bytes * 8) / (1000. * usec),
125 (usec / transfers));
126 }
127
init_latency_test(int size)128 static void init_latency_test(int size)
129 {
130 char sstr[5];
131
132 size_str(sstr, sizeof sstr, size);
133 snprintf(test_name, sizeof test_name, "%s_lat", sstr);
134 transfer_size = size;
135 transfer_count = size_to_count(transfer_size) / 10;
136 echo = 1;
137 }
138
init_bandwidth_test(int size)139 static void init_bandwidth_test(int size)
140 {
141 char sstr[5];
142
143 size_str(sstr, sizeof sstr, size);
144 snprintf(test_name, sizeof test_name, "%s_bw", sstr);
145 transfer_size = size;
146 transfer_count = size_to_count(transfer_size);
147 echo = 0;
148 }
149
set_options(int fd)150 static void set_options(int fd)
151 {
152 int val;
153
154 if (buffer_size) {
155 rs_setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (void *) &buffer_size,
156 sizeof buffer_size);
157 rs_setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (void *) &buffer_size,
158 sizeof buffer_size);
159 } else {
160 val = 1 << 19;
161 rs_setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (void *) &val, sizeof val);
162 rs_setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (void *) &val, sizeof val);
163 }
164
165 if (flags & MSG_DONTWAIT)
166 rs_fcntl(fd, F_SETFL, O_NONBLOCK);
167 }
168
svr_send(struct message * msg,size_t size,union socket_addr * addr,socklen_t addrlen)169 static ssize_t svr_send(struct message *msg, size_t size,
170 union socket_addr *addr, socklen_t addrlen)
171 {
172 struct pollfd fds;
173 ssize_t ret;
174
175 if (use_async) {
176 fds.fd = rs;
177 fds.events = POLLOUT;
178 }
179
180 do {
181 if (use_async) {
182 ret = do_poll(&fds, poll_timeout);
183 if (ret)
184 return ret;
185 }
186
187 ret = rs_sendto(rs, msg, size, flags, &addr->sa, addrlen);
188 } while (ret < 0 && (errno == EWOULDBLOCK || errno == EAGAIN));
189
190 if (ret < 0)
191 perror("rsend");
192
193 return ret;
194 }
195
svr_recv(struct message * msg,size_t size,union socket_addr * addr,socklen_t * addrlen)196 static ssize_t svr_recv(struct message *msg, size_t size,
197 union socket_addr *addr, socklen_t *addrlen)
198 {
199 struct pollfd fds;
200 ssize_t ret;
201
202 if (use_async) {
203 fds.fd = rs;
204 fds.events = POLLIN;
205 }
206
207 do {
208 if (use_async) {
209 ret = do_poll(&fds, poll_timeout);
210 if (ret)
211 return ret;
212 }
213
214 ret = rs_recvfrom(rs, msg, size, flags, &addr->sa, addrlen);
215 } while (ret < 0 && (errno == EWOULDBLOCK || errno == EAGAIN));
216
217 if (ret < 0)
218 perror("rrecv");
219
220 return ret;
221 }
222
svr_process(struct message * msg,size_t size,union socket_addr * addr,socklen_t addrlen)223 static int svr_process(struct message *msg, size_t size,
224 union socket_addr *addr, socklen_t addrlen)
225 {
226 char str[64];
227 ssize_t ret;
228
229 switch (msg->op) {
230 case msg_op_login:
231 if (addr->sa.sa_family == AF_INET) {
232 printf("client login from %s\n",
233 inet_ntop(AF_INET, &addr->sin.sin_addr.s_addr,
234 str, sizeof str));
235 } else {
236 printf("client login from %s\n",
237 inet_ntop(AF_INET6, &addr->sin6.sin6_addr.s6_addr,
238 str, sizeof str));
239 }
240 msg->id = id++;
241 /* fall through */
242 case msg_op_start:
243 memset(&clients[msg->id], 0, sizeof clients[msg->id]);
244 break;
245 case msg_op_echo:
246 clients[msg->id].recvcnt++;
247 break;
248 case msg_op_end:
249 msg->data = htobe32(clients[msg->id].recvcnt);
250 break;
251 default:
252 clients[msg->id].recvcnt++;
253 return 0;
254 }
255
256 ret = svr_send(msg, size, addr, addrlen);
257 return (ret == size) ? 0 : (int) ret;
258 }
259
svr_bind(void)260 static int svr_bind(void)
261 {
262 struct addrinfo hints, *res;
263 int ret;
264
265 memset(&hints, 0, sizeof hints);
266 hints.ai_socktype = SOCK_DGRAM;
267 ret = getaddrinfo(src_addr, port, &hints, &res);
268 if (ret) {
269 printf("getaddrinfo: %s\n", gai_strerror(ret));
270 return ret;
271 }
272
273 rs = rs_socket(res->ai_family, res->ai_socktype, res->ai_protocol);
274 if (rs < 0) {
275 perror("rsocket");
276 ret = rs;
277 goto out;
278 }
279
280 set_options(rs);
281 ret = rs_bind(rs, res->ai_addr, res->ai_addrlen);
282 if (ret) {
283 perror("rbind");
284 rs_close(rs);
285 }
286
287 out:
288 free(res);
289 return ret;
290 }
291
svr_run(void)292 static int svr_run(void)
293 {
294 ssize_t len;
295 int ret;
296
297 ret = svr_bind();
298 while (!ret) {
299 g_addrlen = sizeof g_addr;
300 len = svr_recv(&g_msg, sizeof g_msg, &g_addr, &g_addrlen);
301 if (len < 0)
302 return len;
303
304 ret = svr_process(&g_msg, len, &g_addr, g_addrlen);
305 }
306 return ret;
307 }
308
client_send(struct message * msg,size_t size)309 static ssize_t client_send(struct message *msg, size_t size)
310 {
311 struct pollfd fds;
312 int ret;
313
314 if (use_async) {
315 fds.fd = rs;
316 fds.events = POLLOUT;
317 }
318
319 do {
320 if (use_async) {
321 ret = do_poll(&fds, poll_timeout);
322 if (ret)
323 return ret;
324 }
325
326 ret = rs_send(rs, msg, size, flags);
327 } while (ret < 0 && (errno == EWOULDBLOCK || errno == EAGAIN));
328
329 if (ret < 0)
330 perror("rsend");
331
332 return ret;
333 }
334
client_recv(struct message * msg,size_t size,int timeout)335 static ssize_t client_recv(struct message *msg, size_t size, int timeout)
336 {
337 struct pollfd fds;
338 int ret;
339
340 if (timeout) {
341 fds.fd = rs;
342 fds.events = POLLIN;
343
344 ret = rs_poll(&fds, 1, timeout);
345 if (ret <= 0)
346 return ret;
347 }
348
349 ret = rs_recv(rs, msg, size, flags | MSG_DONTWAIT);
350 if (ret < 0 && errno != EWOULDBLOCK && errno != EAGAIN)
351 perror("rrecv");
352
353 return ret;
354 }
355
client_send_recv(struct message * msg,size_t size,int timeout)356 static int client_send_recv(struct message *msg, size_t size, int timeout)
357 {
358 static uint8_t seqno;
359 int ret;
360
361 msg->seqno = seqno;
362 do {
363 ret = client_send(msg, size);
364 if (ret != size)
365 return ret;
366
367 ret = client_recv(msg, size, timeout);
368 } while (ret <= 0 || msg->seqno != seqno);
369
370 seqno++;
371 return ret;
372 }
373
run_test(void)374 static int run_test(void)
375 {
376 int ret, i;
377
378 g_msg.op = msg_op_start;
379 ret = client_send_recv(&g_msg, CTRL_MSG_SIZE, 1000);
380 if (ret != CTRL_MSG_SIZE)
381 goto out;
382
383 g_msg.op = echo ? msg_op_echo : msg_op_data;
384 gettimeofday(&start, NULL);
385 for (i = 0; i < transfer_count; i++) {
386 ret = echo ? client_send_recv(&g_msg, transfer_size, 1) :
387 client_send(&g_msg, transfer_size);
388 if (ret != transfer_size)
389 goto out;
390 }
391
392 g_msg.op = msg_op_end;
393 ret = client_send_recv(&g_msg, CTRL_MSG_SIZE, 1);
394 if (ret != CTRL_MSG_SIZE)
395 goto out;
396
397 gettimeofday(&end, NULL);
398 show_perf();
399 ret = 0;
400
401 out:
402 return ret;
403 }
404
client_connect(void)405 static int client_connect(void)
406 {
407 struct addrinfo hints, *res;
408 int ret;
409
410 memset(&hints, 0, sizeof hints);
411 hints.ai_socktype = SOCK_DGRAM;
412 ret = getaddrinfo(dst_addr, port, &hints, &res);
413 if (ret) {
414 printf("getaddrinfo: %s\n", gai_strerror(ret));
415 return ret;
416 }
417
418 rs = rs_socket(res->ai_family, res->ai_socktype, res->ai_protocol);
419 if (rs < 0) {
420 perror("rsocket");
421 ret = rs;
422 goto out;
423 }
424
425 set_options(rs);
426 ret = rs_connect(rs, res->ai_addr, res->ai_addrlen);
427 if (ret) {
428 perror("rconnect");
429 rs_close(rs);
430 goto out;
431 }
432
433 g_msg.op = msg_op_login;
434 ret = client_send_recv(&g_msg, CTRL_MSG_SIZE, 1000);
435 if (ret == CTRL_MSG_SIZE)
436 ret = 0;
437
438 out:
439 freeaddrinfo(res);
440 return ret;
441 }
442
client_run(void)443 static int client_run(void)
444 {
445 int i, ret;
446
447 printf("%-10s%-8s%-8s%-8s%8s %10s%13s\n",
448 "name", "bytes", "xfers", "total", "time", "Gb/sec", "usec/xfer");
449
450 ret = client_connect();
451 if (ret)
452 return ret;
453
454 if (!custom) {
455 for (i = 0; i < TEST_CNT; i++) {
456 init_latency_test(test_size[i]);
457 run_test();
458 }
459 for (i = 0; i < TEST_CNT; i++) {
460 init_bandwidth_test(test_size[i]);
461 run_test();
462 }
463 } else {
464 run_test();
465 }
466 rs_close(rs);
467
468 return ret;
469 }
470
set_test_opt(const char * arg)471 static int set_test_opt(const char *arg)
472 {
473 if (strlen(arg) == 1) {
474 switch (arg[0]) {
475 case 's':
476 use_rs = 0;
477 break;
478 case 'a':
479 use_async = 1;
480 break;
481 case 'b':
482 flags = 0;
483 break;
484 case 'n':
485 flags = MSG_DONTWAIT;
486 break;
487 case 'e':
488 echo = 1;
489 break;
490 default:
491 return -1;
492 }
493 } else {
494 if (!strncasecmp("socket", arg, 6)) {
495 use_rs = 0;
496 } else if (!strncasecmp("async", arg, 5)) {
497 use_async = 1;
498 } else if (!strncasecmp("block", arg, 5)) {
499 flags = 0;
500 } else if (!strncasecmp("nonblock", arg, 8)) {
501 flags = MSG_DONTWAIT;
502 } else if (!strncasecmp("echo", arg, 4)) {
503 echo = 1;
504 } else {
505 return -1;
506 }
507 }
508 return 0;
509 }
510
main(int argc,char ** argv)511 int main(int argc, char **argv)
512 {
513 int op, ret;
514
515 while ((op = getopt(argc, argv, "s:b:B:C:S:p:T:")) != -1) {
516 switch (op) {
517 case 's':
518 dst_addr = optarg;
519 break;
520 case 'b':
521 src_addr = optarg;
522 break;
523 case 'B':
524 buffer_size = atoi(optarg);
525 break;
526 case 'C':
527 custom = 1;
528 transfer_count = atoi(optarg);
529 break;
530 case 'S':
531 custom = 1;
532 transfer_size = atoi(optarg);
533 if (transfer_size < CTRL_MSG_SIZE) {
534 printf("size must be at least %d bytes\n",
535 CTRL_MSG_SIZE);
536 exit(1);
537 }
538 break;
539 case 'p':
540 port = optarg;
541 break;
542 case 'T':
543 if (!set_test_opt(optarg))
544 break;
545 /* invalid option - fall through */
546 SWITCH_FALLTHROUGH;
547 default:
548 printf("usage: %s\n", argv[0]);
549 printf("\t[-s server_address]\n");
550 printf("\t[-b bind_address]\n");
551 printf("\t[-B buffer_size]\n");
552 printf("\t[-C transfer_count]\n");
553 printf("\t[-S transfer_size]\n");
554 printf("\t[-p port_number]\n");
555 printf("\t[-T test_option]\n");
556 printf("\t s|sockets - use standard tcp/ip sockets\n");
557 printf("\t a|async - asynchronous operation (use poll)\n");
558 printf("\t b|blocking - use blocking calls\n");
559 printf("\t n|nonblocking - use nonblocking calls\n");
560 printf("\t e|echo - server echoes all messages\n");
561 exit(1);
562 }
563 }
564
565 if (flags)
566 poll_timeout = -1;
567
568 ret = dst_addr ? client_run() : svr_run();
569 return ret;
570 }
571