aboutsummaryrefslogtreecommitdiffstats
path: root/recipes-kernel/cryptodev/sdk_patches/0045-add-support-for-crc32c-hash-async-speed-test.patch
blob: b1a790ebb869cedded3b85cf2d5bb53792352069 (plain)
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
From aa329106f586f8d055ceaa919e327ebc99bdd6e3 Mon Sep 17 00:00:00 2001
From: Alexe Radu <radu.alexe@nxp.com>
Date: Tue, 25 Oct 2016 11:15:37 +0300
Subject: [PATCH 045/104] add support for crc32c hash async speed test

Signed-off-by: Alexe Radu <radu.alexe@nxp.com>
---
 crypto/cryptodev.h  |  1 +
 ioctl.c             |  4 ++++
 tests/async_speed.c | 25 +++++++++++++++++++++++++
 3 files changed, 30 insertions(+)

diff --git a/crypto/cryptodev.h b/crypto/cryptodev.h
index 9ade102..05221a4 100644
--- a/crypto/cryptodev.h
+++ b/crypto/cryptodev.h
@@ -46,6 +46,7 @@ enum cryptodev_crypto_op_t {
 	CRYPTO_AES_XTS = 22,
 	CRYPTO_AES_ECB = 23,
 	CRYPTO_AES_GCM = 50,
+	CRYPTO_CRC32C,
 
 	CRYPTO_CAMELLIA_CBC = 101,
 	CRYPTO_RIPEMD160,
diff --git a/ioctl.c b/ioctl.c
index ca3c5ac..2e2bdeb 100644
--- a/ioctl.c
+++ b/ioctl.c
@@ -286,6 +286,10 @@ crypto_create_session(struct fcrypt *fcr, struct session_op *sop)
 		hash_name = "sha512";
 		hmac_mode = 0;
 		break;
+	case CRYPTO_CRC32C:
+		hash_name = "crc32c";
+		hmac_mode = 0;
+		break;
 	default:
 		ddebug(1, "bad mac: %d", sop->mac);
 		return -EINVAL;
diff --git a/tests/async_speed.c b/tests/async_speed.c
index 39a3d23..8978b4b 100644
--- a/tests/async_speed.c
+++ b/tests/async_speed.c
@@ -65,6 +65,7 @@ int encrypt_data(struct session_op *sess, int fdc, int chunksize, int alignmask)
 {
 	struct crypt_op cop;
 	char *buffer[64], iv[32];
+	char mac[64][HASH_MAX_LEN];
 	static int val = 23;
 	struct timeval start, end;
 	double total = 0;
@@ -114,6 +115,7 @@ int encrypt_data(struct session_op *sess, int fdc, int chunksize, int alignmask)
 			cop.iv = (unsigned char *)iv;
 			cop.op = COP_ENCRYPT;
 			cop.src = cop.dst = (unsigned char *)buffer[bufidx];
+			cop.mac = mac[bufidx];
 			bufidx = (bufidx + 1) % 64;
 
 			if (ioctl(fdc, CIOCASYNCCRYPT, &cop)) {
@@ -235,6 +237,29 @@ int main(void)
 			break;
 	}
 
+	fprintf(stderr, "\nTesting CRC32C hash: \n");
+	memset(&sess, 0, sizeof(sess));
+	sess.mac = CRYPTO_CRC32C;
+	if (ioctl(fdc, CIOCGSESSION, &sess)) {
+		perror("ioctl(CIOCGSESSION)");
+		return 1;
+	}
+#ifdef CIOCGSESSINFO
+	siop.ses = sess.ses;
+	if (ioctl(fdc, CIOCGSESSINFO, &siop)) {
+		perror("ioctl(CIOCGSESSION)");
+		return 1;
+	}
+	printf("requested hash CRYPTO_CRC32C, got %s with driver %s\n",
+			siop.hash_info.cra_name, siop.hash_info.cra_driver_name);
+	alignmask = siop.alignmask;
+#endif
+
+	for (i = 256; i <= (64 * 1024); i *= 2) {
+		if (encrypt_data(&sess, fdc, i, alignmask))
+			break;
+	}
+
 end:
 	close(fdc);
 	close(fd);
-- 
2.10.2