1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
#include <argp.h>
#include "bench.h"
#include "crypto_bench.skel.h"
#define MAX_CIPHER_LEN 32
static char *input;
static struct crypto_ctx {
struct crypto_bench *skel;
int pfd;
} ctx;
static struct crypto_args {
u32 crypto_len;
char *crypto_cipher;
} args = {
.crypto_len = 16,
.crypto_cipher = "ecb(aes)",
};
enum {
ARG_CRYPTO_LEN = 5000,
ARG_CRYPTO_CIPHER = 5001,
};
static const struct argp_option opts[] = {
{ "crypto-len", ARG_CRYPTO_LEN, "CRYPTO_LEN", 0,
"Set the length of crypto buffer" },
{ "crypto-cipher", ARG_CRYPTO_CIPHER, "CRYPTO_CIPHER", 0,
"Set the cipher to use (default:ecb(aes))" },
{},
};
static error_t crypto_parse_arg(int key, char *arg, struct argp_state *state)
{
switch (key) {
case ARG_CRYPTO_LEN:
args.crypto_len = strtoul(arg, NULL, 10);
if (!args.crypto_len ||
args.crypto_len > sizeof(ctx.skel->bss->dst)) {
fprintf(stderr, "Invalid crypto buffer len (limit %zu)\n",
sizeof(ctx.skel->bss->dst));
argp_usage(state);
}
break;
case ARG_CRYPTO_CIPHER:
args.crypto_cipher = strdup(arg);
if (!strlen(args.crypto_cipher) ||
strlen(args.crypto_cipher) > MAX_CIPHER_LEN) {
fprintf(stderr, "Invalid crypto cipher len (limit %d)\n",
MAX_CIPHER_LEN);
argp_usage(state);
}
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
const struct argp bench_crypto_argp = {
.options = opts,
.parser = crypto_parse_arg,
};
static void crypto_validate(void)
{
if (env.consumer_cnt != 0) {
fprintf(stderr, "bpf crypto benchmark doesn't support consumer!\n");
exit(1);
}
}
static void crypto_setup(void)
{
LIBBPF_OPTS(bpf_test_run_opts, opts);
int err, pfd;
size_t i, sz;
sz = args.crypto_len;
if (!sz || sz > sizeof(ctx.skel->bss->dst)) {
fprintf(stderr, "invalid encrypt buffer size (source %zu, target %zu)\n",
sz, sizeof(ctx.skel->bss->dst));
exit(1);
}
setup_libbpf();
ctx.skel = crypto_bench__open();
if (!ctx.skel) {
fprintf(stderr, "failed to open skeleton\n");
exit(1);
}
snprintf(ctx.skel->bss->cipher, 128, "%s", args.crypto_cipher);
memcpy(ctx.skel->bss->key, "12345678testtest", 16);
ctx.skel->bss->key_len = 16;
ctx.skel->bss->authsize = 0;
srandom(time(NULL));
input = malloc(sz);
for (i = 0; i < sz - 1; i++)
input[i] = '1' + random() % 9;
input[sz - 1] = '\0';
ctx.skel->rodata->len = args.crypto_len;
err = crypto_bench__load(ctx.skel);
if (err) {
fprintf(stderr, "failed to load skeleton\n");
crypto_bench__destroy(ctx.skel);
exit(1);
}
pfd = bpf_program__fd(ctx.skel->progs.crypto_setup);
if (pfd < 0) {
fprintf(stderr, "failed to get fd for setup prog\n");
crypto_bench__destroy(ctx.skel);
exit(1);
}
err = bpf_prog_test_run_opts(pfd, &opts);
if (err || ctx.skel->bss->status) {
fprintf(stderr, "failed to run setup prog: err %d, status %d\n",
err, ctx.skel->bss->status);
crypto_bench__destroy(ctx.skel);
exit(1);
}
}
static void crypto_encrypt_setup(void)
{
crypto_setup();
ctx.pfd = bpf_program__fd(ctx.skel->progs.crypto_encrypt);
}
static void crypto_decrypt_setup(void)
{
crypto_setup();
ctx.pfd = bpf_program__fd(ctx.skel->progs.crypto_decrypt);
}
static void crypto_measure(struct bench_res *res)
{
res->hits = atomic_swap(&ctx.skel->bss->hits, 0);
}
static void *crypto_producer(void *unused)
{
LIBBPF_OPTS(bpf_test_run_opts, opts,
.repeat = 64,
.data_in = input,
.data_size_in = args.crypto_len,
);
while (true)
(void)bpf_prog_test_run_opts(ctx.pfd, &opts);
return NULL;
}
const struct bench bench_crypto_encrypt = {
.name = "crypto-encrypt",
.argp = &bench_crypto_argp,
.validate = crypto_validate,
.setup = crypto_encrypt_setup,
.producer_thread = crypto_producer,
.measure = crypto_measure,
.report_progress = hits_drops_report_progress,
.report_final = hits_drops_report_final,
};
const struct bench bench_crypto_decrypt = {
.name = "crypto-decrypt",
.argp = &bench_crypto_argp,
.validate = crypto_validate,
.setup = crypto_decrypt_setup,
.producer_thread = crypto_producer,
.measure = crypto_measure,
.report_progress = hits_drops_report_progress,
.report_final = hits_drops_report_final,
};
|
