1 /*
2  * Copyright (c) 2005-2006,2012 Intel Corporation.  All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  *
32  * $Id$
33  */
34 
35 #include <stdlib.h>
36 #include <string.h>
37 #include <stdio.h>
38 #include <errno.h>
39 #include <sys/types.h>
40 #include <sys/socket.h>
41 #include <netdb.h>
42 
43 #include <rdma/rdma_cma.h>
44 #include "common.h"
45 
46 int use_rs = 1;
47 
get_rdma_addr(const char * src,const char * dst,const char * port,struct rdma_addrinfo * hints,struct rdma_addrinfo ** rai)48 int get_rdma_addr(const char *src, const char *dst, const char *port,
49 		  struct rdma_addrinfo *hints, struct rdma_addrinfo **rai)
50 {
51 	struct rdma_addrinfo rai_hints, *res;
52 	int ret;
53 
54 	if (hints->ai_flags & RAI_PASSIVE)
55 		return rdma_getaddrinfo(src, port, hints, rai);
56 
57 	rai_hints = *hints;
58 	if (src) {
59 		rai_hints.ai_flags |= RAI_PASSIVE;
60 		ret = rdma_getaddrinfo(src, NULL, &rai_hints, &res);
61 		if (ret)
62 			return ret;
63 
64 		rai_hints.ai_src_addr = res->ai_src_addr;
65 		rai_hints.ai_src_len = res->ai_src_len;
66 		rai_hints.ai_flags &= ~RAI_PASSIVE;
67 	}
68 
69 	ret = rdma_getaddrinfo(dst, port, &rai_hints, rai);
70 	if (src)
71 		rdma_freeaddrinfo(res);
72 
73 	return ret;
74 }
75 
size_str(char * str,size_t ssize,long long size)76 void size_str(char *str, size_t ssize, long long size)
77 {
78 	long long base, fraction = 0;
79 	char mag;
80 
81 	if (size >= (1 << 30)) {
82 		base = 1 << 30;
83 		mag = 'g';
84 	} else if (size >= (1 << 20)) {
85 		base = 1 << 20;
86 		mag = 'm';
87 	} else if (size >= (1 << 10)) {
88 		base = 1 << 10;
89 		mag = 'k';
90 	} else {
91 		base = 1;
92 		mag = '\0';
93 	}
94 
95 	if (size / base < 10)
96 		fraction = (size % base) * 10 / base;
97 	if (fraction) {
98 		snprintf(str, ssize, "%lld.%lld%c", size / base, fraction, mag);
99 	} else {
100 		snprintf(str, ssize, "%lld%c", size / base, mag);
101 	}
102 }
103 
cnt_str(char * str,size_t ssize,long long cnt)104 void cnt_str(char *str, size_t ssize, long long cnt)
105 {
106 	if (cnt >= 1000000000)
107 		snprintf(str, ssize, "%lldb", cnt / 1000000000);
108 	else if (cnt >= 1000000)
109 		snprintf(str, ssize, "%lldm", cnt / 1000000);
110 	else if (cnt >= 1000)
111 		snprintf(str, ssize, "%lldk", cnt / 1000);
112 	else
113 		snprintf(str, ssize, "%lld", cnt);
114 }
115 
size_to_count(int size)116 int size_to_count(int size)
117 {
118 	if (size >= (1 << 20))
119 		return 100;
120 	else if (size >= (1 << 16))
121 		return 1000;
122 	else if (size >= (1 << 10))
123 		return 10000;
124 	else
125 		return 100000;
126 }
127 
format_buf(void * buf,int size)128 void format_buf(void *buf, int size)
129 {
130 	uint8_t *array = buf;
131 	static uint8_t data;
132 	int i;
133 
134 	for (i = 0; i < size; i++)
135 		array[i] = data++;
136 }
137 
verify_buf(void * buf,int size)138 int verify_buf(void *buf, int size)
139 {
140 	static long long total_bytes;
141 	uint8_t *array = buf;
142 	static uint8_t data;
143 	int i;
144 
145 	for (i = 0; i < size; i++, total_bytes++) {
146 		if (array[i] != data++) {
147 			printf("data verification failed byte %lld\n", total_bytes);
148 			return -1;
149 		}
150 	}
151 	return 0;
152 }
153 
do_poll(struct pollfd * fds,int timeout)154 int do_poll(struct pollfd *fds, int timeout)
155 {
156 	int ret;
157 
158 	do {
159 #ifdef __linux__
160 		ret = rs_poll(fds, 1, timeout);
161 #else
162 		ret = poll(fds, 1, timeout);
163 #endif
164 	} while (!ret);
165 
166 	return ret == 1 ? (fds->revents & (POLLERR | POLLHUP)) : ret;
167 }
168