wonderful-mobile/exynos-linux-stable
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

crypto: change LZ4 modules to work with new LZ4 module version

Browse source 
Update the crypto modules using LZ4 compression as well as the test
cases in testmgr.h to work with the new LZ4 module version.

Link: http://lkml.kernel.org/r/1486321748-19085-4-git-send-email-4sschmid@informatik.uni-hamburg.de
Signed-off-by: Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
Cc: Bongkyu Kim <bongkyu.kim@lge.com>
Cc: Rui Salvaterra <rsalvaterra@gmail.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: David S. Miller <davem@davemloft.net>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Colin Cross <ccross@android.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Sven Schmidt 2017-02-24 15:01:19 -08:00 • committed by xxmustafacooTR
parent 410e78bceb
commit 61ea56aa15
No known key found for this signature in database
GPG key ID: 520B6FE385CBF5C9
3 changed files with 118 additions and 68 deletions
Download patch file Download diff file Expand all files Collapse all files

23
crypto/lz4.c
View file

@ -66,15 +66,13 @@ static void lz4_exit(struct crypto_tfm *tfm)
static int __lz4_compress_crypto(const u8 *src, unsigned int slen, static int __lz4_compress_crypto(const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen, void *ctx) u8 *dst, unsigned int *dlen, void *ctx)
{ {
size_t tmp_len = *dlen; int out_len = LZ4_compress_default(src, dst,
int err; slen, *dlen, ctx);
err = lz4_compress(src, slen, dst, &tmp_len, ctx); if (!out_len)
if (err < 0)
return -EINVAL; return -EINVAL;
*dlen = tmp_len; *dlen = out_len;
return 0; return 0;
} }
@ -96,16 +94,13 @@ static int lz4_compress_crypto(struct crypto_tfm *tfm, const u8 *src,
static int __lz4_decompress_crypto(const u8 *src, unsigned int slen, static int __lz4_decompress_crypto(const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen, void *ctx) u8 *dst, unsigned int *dlen, void *ctx)
{ {
int err; int out_len = LZ4_decompress_safe(src, dst, slen, *dlen);
size_t tmp_len = *dlen;
size_t __slen = slen;
err = lz4_decompress_unknownoutputsize(src, __slen, dst, &tmp_len); if (out_len < 0)
if (err < 0) return out_len;
return -EINVAL;
*dlen = tmp_len; *dlen = out_len;
return err; return 0;
} }
static int lz4_sdecompress(struct crypto_scomp *tfm, const u8 *src, static int lz4_sdecompress(struct crypto_scomp *tfm, const u8 *src,

23
crypto/lz4hc.c
View file

@ -65,15 +65,13 @@ static void lz4hc_exit(struct crypto_tfm *tfm)
static int __lz4hc_compress_crypto(const u8 *src, unsigned int slen, static int __lz4hc_compress_crypto(const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen, void *ctx) u8 *dst, unsigned int *dlen, void *ctx)
{ {
size_t tmp_len = *dlen; int out_len = LZ4_compress_HC(src, dst, slen,
int err; *dlen, LZ4HC_DEFAULT_CLEVEL, ctx);
err = lz4hc_compress(src, slen, dst, &tmp_len, ctx); if (!out_len)
if (err < 0)
return -EINVAL; return -EINVAL;
*dlen = tmp_len; *dlen = out_len;
return 0; return 0;
} }
@ -97,16 +95,13 @@ static int lz4hc_compress_crypto(struct crypto_tfm *tfm, const u8 *src,
static int __lz4hc_decompress_crypto(const u8 *src, unsigned int slen, static int __lz4hc_decompress_crypto(const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen, void *ctx) u8 *dst, unsigned int *dlen, void *ctx)
{ {
int err; int out_len = LZ4_decompress_safe(src, dst, slen, *dlen);
size_t tmp_len = *dlen;
size_t __slen = slen;
err = lz4_decompress_unknownoutputsize(src, __slen, dst, &tmp_len); if (out_len < 0)
if (err < 0) return out_len;
return -EINVAL;
*dlen = tmp_len; *dlen = out_len;
return err; return 0;
} }
static int lz4hc_sdecompress(struct crypto_scomp *tfm, const u8 *src, static int lz4hc_sdecompress(struct crypto_scomp *tfm, const u8 *src,

140
crypto/testmgr.h
View file

@ -37859,31 +37859,61 @@ static struct hash_testvec bfin_crc_tv_template[] = {
static struct comp_testvec lz4_comp_tv_template[] = { static struct comp_testvec lz4_comp_tv_template[] = {
{ {
.inlen = 70, .inlen = 255,
.outlen = 45, .outlen = 218,
.input = "Join us now and share the software " .input = "LZ4 is lossless compression algorithm, providing"
"Join us now and share the software ", " compression speed at 400 MB/s per core, scalable "
.output = "\xf0\x10\x4a\x6f\x69\x6e\x20\x75" "with multi-cores CPU. It features an extremely fast "
"\x73\x20\x6e\x6f\x77\x20\x61\x6e" "decoder, with speed in multiple GB/s per core, "
"\x64\x20\x73\x68\x61\x72\x65\x20" "typically reaching RAM speed limits on multi-core "
"\x74\x68\x65\x20\x73\x6f\x66\x74" "systems.",
"\x77\x0d\x00\x0f\x23\x00\x0b\x50" .output = "\xf9\x21\x4c\x5a\x34\x20\x69\x73\x20\x6c\x6f\x73\x73"
"\x77\x61\x72\x65\x20", "\x6c\x65\x73\x73\x20\x63\x6f\x6d\x70\x72\x65\x73\x73"
"\x69\x6f\x6e\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d"
"\x2c\x20\x70\x72\x6f\x76\x69\x64\x69\x6e\x67\x21\x00"
"\xf0\x21\x73\x70\x65\x65\x64\x20\x61\x74\x20\x34\x30"
"\x30\x20\x4d\x42\x2f\x73\x20\x70\x65\x72\x20\x63\x6f"
"\x72\x65\x2c\x20\x73\x63\x61\x6c\x61\x62\x6c\x65\x20"
"\x77\x69\x74\x68\x20\x6d\x75\x6c\x74\x69\x2d\x1a\x00"
"\xf0\x00\x73\x20\x43\x50\x55\x2e\x20\x49\x74\x20\x66"
"\x65\x61\x74\x75\x11\x00\xf2\x0b\x61\x6e\x20\x65\x78"
"\x74\x72\x65\x6d\x65\x6c\x79\x20\x66\x61\x73\x74\x20"
"\x64\x65\x63\x6f\x64\x65\x72\x2c\x3d\x00\x02\x67\x00"
"\x22\x69\x6e\x46\x00\x5a\x70\x6c\x65\x20\x47\x6c\x00"
"\xf0\x00\x74\x79\x70\x69\x63\x61\x6c\x6c\x79\x20\x72"
"\x65\x61\x63\x68\xa7\x00\x33\x52\x41\x4d\x38\x00\x83"
"\x6c\x69\x6d\x69\x74\x73\x20\x6f\x3f\x00\x01\x85\x00"
"\x90\x20\x73\x79\x73\x74\x65\x6d\x73\x2e",
}, },
}; };
static struct comp_testvec lz4_decomp_tv_template[] = { static struct comp_testvec lz4_decomp_tv_template[] = {
{ {
.inlen = 45, .inlen = 218,
.outlen = 70, .outlen = 255,
.input = "\xf0\x10\x4a\x6f\x69\x6e\x20\x75" .input = "\xf9\x21\x4c\x5a\x34\x20\x69\x73\x20\x6c\x6f\x73\x73"
"\x73\x20\x6e\x6f\x77\x20\x61\x6e" "\x6c\x65\x73\x73\x20\x63\x6f\x6d\x70\x72\x65\x73\x73"
"\x64\x20\x73\x68\x61\x72\x65\x20" "\x69\x6f\x6e\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d"
"\x74\x68\x65\x20\x73\x6f\x66\x74" "\x2c\x20\x70\x72\x6f\x76\x69\x64\x69\x6e\x67\x21\x00"
"\x77\x0d\x00\x0f\x23\x00\x0b\x50" "\xf0\x21\x73\x70\x65\x65\x64\x20\x61\x74\x20\x34\x30"
"\x77\x61\x72\x65\x20", "\x30\x20\x4d\x42\x2f\x73\x20\x70\x65\x72\x20\x63\x6f"
.output = "Join us now and share the software " "\x72\x65\x2c\x20\x73\x63\x61\x6c\x61\x62\x6c\x65\x20"
"Join us now and share the software ", "\x77\x69\x74\x68\x20\x6d\x75\x6c\x74\x69\x2d\x1a\x00"
"\xf0\x00\x73\x20\x43\x50\x55\x2e\x20\x49\x74\x20\x66"
"\x65\x61\x74\x75\x11\x00\xf2\x0b\x61\x6e\x20\x65\x78"
"\x74\x72\x65\x6d\x65\x6c\x79\x20\x66\x61\x73\x74\x20"
"\x64\x65\x63\x6f\x64\x65\x72\x2c\x3d\x00\x02\x67\x00"
"\x22\x69\x6e\x46\x00\x5a\x70\x6c\x65\x20\x47\x6c\x00"
"\xf0\x00\x74\x79\x70\x69\x63\x61\x6c\x6c\x79\x20\x72"
"\x65\x61\x63\x68\xa7\x00\x33\x52\x41\x4d\x38\x00\x83"
"\x6c\x69\x6d\x69\x74\x73\x20\x6f\x3f\x00\x01\x85\x00"
"\x90\x20\x73\x79\x73\x74\x65\x6d\x73\x2e",
.output = "LZ4 is lossless compression algorithm, providing"
" compression speed at 400 MB/s per core, scalable "
"with multi-cores CPU. It features an extremely fast "
"decoder, with speed in multiple GB/s per core, "
"typically reaching RAM speed limits on multi-core "
"systems.",
}, },
}; };
@ -37892,31 +37922,61 @@ static struct comp_testvec lz4_decomp_tv_template[] = {
static struct comp_testvec lz4hc_comp_tv_template[] = { static struct comp_testvec lz4hc_comp_tv_template[] = {
{ {
.inlen = 70, .inlen = 255,
.outlen = 45, .outlen = 216,
.input = "Join us now and share the software " .input = "LZ4 is lossless compression algorithm, providing"
"Join us now and share the software ", " compression speed at 400 MB/s per core, scalable "
.output = "\xf0\x10\x4a\x6f\x69\x6e\x20\x75" "with multi-cores CPU. It features an extremely fast "
"\x73\x20\x6e\x6f\x77\x20\x61\x6e" "decoder, with speed in multiple GB/s per core, "
"\x64\x20\x73\x68\x61\x72\x65\x20" "typically reaching RAM speed limits on multi-core "
"\x74\x68\x65\x20\x73\x6f\x66\x74" "systems.",
"\x77\x0d\x00\x0f\x23\x00\x0b\x50" .output = "\xf9\x21\x4c\x5a\x34\x20\x69\x73\x20\x6c\x6f\x73\x73"
"\x77\x61\x72\x65\x20", "\x6c\x65\x73\x73\x20\x63\x6f\x6d\x70\x72\x65\x73\x73"
"\x69\x6f\x6e\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d"
"\x2c\x20\x70\x72\x6f\x76\x69\x64\x69\x6e\x67\x21\x00"
"\xf0\x21\x73\x70\x65\x65\x64\x20\x61\x74\x20\x34\x30"
"\x30\x20\x4d\x42\x2f\x73\x20\x70\x65\x72\x20\x63\x6f"
"\x72\x65\x2c\x20\x73\x63\x61\x6c\x61\x62\x6c\x65\x20"
"\x77\x69\x74\x68\x20\x6d\x75\x6c\x74\x69\x2d\x1a\x00"
"\xf0\x00\x73\x20\x43\x50\x55\x2e\x20\x49\x74\x20\x66"
"\x65\x61\x74\x75\x11\x00\xf2\x0b\x61\x6e\x20\x65\x78"
"\x74\x72\x65\x6d\x65\x6c\x79\x20\x66\x61\x73\x74\x20"
"\x64\x65\x63\x6f\x64\x65\x72\x2c\x3d\x00\x02\x67\x00"
"\x22\x69\x6e\x46\x00\x5a\x70\x6c\x65\x20\x47\x6c\x00"
"\xf0\x00\x74\x79\x70\x69\x63\x61\x6c\x6c\x79\x20\x72"
"\x65\x61\x63\x68\xa7\x00\x33\x52\x41\x4d\x38\x00\x97"
"\x6c\x69\x6d\x69\x74\x73\x20\x6f\x6e\x85\x00\x90\x20"
"\x73\x79\x73\x74\x65\x6d\x73\x2e",
}, },
}; };
static struct comp_testvec lz4hc_decomp_tv_template[] = { static struct comp_testvec lz4hc_decomp_tv_template[] = {
{ {
.inlen = 45, .inlen = 216,
.outlen = 70, .outlen = 255,
.input = "\xf0\x10\x4a\x6f\x69\x6e\x20\x75" .input = "\xf9\x21\x4c\x5a\x34\x20\x69\x73\x20\x6c\x6f\x73\x73"
"\x73\x20\x6e\x6f\x77\x20\x61\x6e" "\x6c\x65\x73\x73\x20\x63\x6f\x6d\x70\x72\x65\x73\x73"
"\x64\x20\x73\x68\x61\x72\x65\x20" "\x69\x6f\x6e\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d"
"\x74\x68\x65\x20\x73\x6f\x66\x74" "\x2c\x20\x70\x72\x6f\x76\x69\x64\x69\x6e\x67\x21\x00"
"\x77\x0d\x00\x0f\x23\x00\x0b\x50" "\xf0\x21\x73\x70\x65\x65\x64\x20\x61\x74\x20\x34\x30"
"\x77\x61\x72\x65\x20", "\x30\x20\x4d\x42\x2f\x73\x20\x70\x65\x72\x20\x63\x6f"
.output = "Join us now and share the software " "\x72\x65\x2c\x20\x73\x63\x61\x6c\x61\x62\x6c\x65\x20"
"Join us now and share the software ", "\x77\x69\x74\x68\x20\x6d\x75\x6c\x74\x69\x2d\x1a\x00"
"\xf0\x00\x73\x20\x43\x50\x55\x2e\x20\x49\x74\x20\x66"
"\x65\x61\x74\x75\x11\x00\xf2\x0b\x61\x6e\x20\x65\x78"
"\x74\x72\x65\x6d\x65\x6c\x79\x20\x66\x61\x73\x74\x20"
"\x64\x65\x63\x6f\x64\x65\x72\x2c\x3d\x00\x02\x67\x00"
"\x22\x69\x6e\x46\x00\x5a\x70\x6c\x65\x20\x47\x6c\x00"
"\xf0\x00\x74\x79\x70\x69\x63\x61\x6c\x6c\x79\x20\x72"
"\x65\x61\x63\x68\xa7\x00\x33\x52\x41\x4d\x38\x00\x97"
"\x6c\x69\x6d\x69\x74\x73\x20\x6f\x6e\x85\x00\x90\x20"
"\x73\x79\x73\x74\x65\x6d\x73\x2e",
.output = "LZ4 is lossless compression algorithm, providing"
" compression speed at 400 MB/s per core, scalable "
"with multi-cores CPU. It features an extremely fast "
"decoder, with speed in multiple GB/s per core, "
"typically reaching RAM speed limits on multi-core "
"systems.",
}, },
}; };