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Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Browse Source 
Pull crypto updates from Herbert Xu:
 "API:

   - crypto_destroy_tfm now ignores errors as well as NULL pointers

  Algorithms:

   - Add explicit curve IDs in ECDH algorithm names

   - Add NIST P384 curve parameters

   - Add ECDSA

  Drivers:

   - Add support for Green Sardine in ccp

   - Add ecdh/curve25519 to hisilicon/hpre

   - Add support for AM64 in sa2ul"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (184 commits)
  fsverity: relax build time dependency on CRYPTO_SHA256
  fscrypt: relax Kconfig dependencies for crypto API algorithms
  crypto: camellia - drop duplicate "depends on CRYPTO"
  crypto: s5p-sss - consistently use local 'dev' variable in probe()
  crypto: s5p-sss - remove unneeded local variable initialization
  crypto: s5p-sss - simplify getting of_device_id match data
  ccp: ccp - add support for Green Sardine
  crypto: ccp - Make ccp_dev_suspend and ccp_dev_resume void functions
  crypto: octeontx2 - add support for OcteonTX2 98xx CPT block.
  crypto: chelsio/chcr - Remove useless MODULE_VERSION
  crypto: ux500/cryp - Remove duplicate argument
  crypto: chelsio - remove unused function
  crypto: sa2ul - Add support for AM64
  crypto: sa2ul - Support for per channel coherency
  dt-bindings: crypto: ti,sa2ul: Add new compatible for AM64
  crypto: hisilicon - enable new error types for QM
  crypto: hisilicon - add new error type for SEC
  crypto: hisilicon - support new error types for ZIP
  crypto: hisilicon - dynamic configuration 'err_info'
  crypto: doc - fix kernel-doc notation in chacha.c and af_alg.c
  ...
This commit is contained in:
Linus Torvalds
2021-04-26 08:51:23 -07:00
parent ffc766b31e e3a606f2c5
commit a4a78bc8ea
209 changed files with 4598 additions and 2026 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Documentation/devicetree/bindings/crypto/ti,sa2ul.yaml
+23 -1
View File
@@ -14,6 +14,7 @@ properties:
enum:
- ti,j721e-sa2ul
- ti,am654-sa2ul
- ti,am64-sa2ul
reg:
maxItems: 1
@@ -45,6 +46,18 @@ properties:
description:
Address translation for the possible RNG child node for SA2UL
clocks:
items:
- description: Clock used by PKA
- description: Main Input Clock
- description: Clock used by rng
clock-names:
items:
- const: pka_in_clk
- const: x1_clk
- const: x2_clk
patternProperties:
"^rng@[a-f0-9]+$":
type: object
@@ -57,7 +70,16 @@ required:
- power-domains
- dmas
- dma-names
- dma-coherent
if:
properties:
compatible:
enum:
- ti,j721e-sa2ul
- ti,am654-sa2ul
then:
required:
- dma-coherent
additionalProperties: false
Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
+21
View File
@@ -28,6 +28,12 @@ properties:
clock-names:
const: ipsec
resets:
maxItems: 1
reset-names:
const: ipsec
interrupts:
maxItems: 1
@@ -35,6 +41,18 @@ required:
- compatible
- reg
if:
properties:
compatible:
enum:
- brcm,bcm6368-rng
then:
required:
- clocks
- clock-names
- resets
- reset-names
additionalProperties: false
examples:
@@ -58,4 +76,7 @@ examples:
clocks = <&periph_clk 18>;
clock-names = "ipsec";
resets = <&periph_rst 4>;
reset-names = "ipsec";
};
arch/arm/crypto/aes-cipher-core.S
+10 -32
View File
@@ -99,28 +99,6 @@
__hround \out2, \out3, \in2, \in1, \in0, \in3, \in1, \in0, 0, \sz, \op, \oldcpsr
.endm
.macro __rev, out, in
.if __LINUX_ARM_ARCH__ < 6
lsl t0, \in, #24
and t1, \in, #0xff00
and t2, \in, #0xff0000
orr \out, t0, \in, lsr #24
orr \out, \out, t1, lsl #8
orr \out, \out, t2, lsr #8
.else
rev \out, \in
.endif
.endm
.macro __adrl, out, sym, c
.if __LINUX_ARM_ARCH__ < 7
ldr\c \out, =\sym
.else
movw\c \out, #:lower16:\sym
movt\c \out, #:upper16:\sym
.endif
.endm
.macro do_crypt, round, ttab, ltab, bsz
push {r3-r11, lr}
@@ -133,10 +111,10 @@
ldr r7, [in, #12]
#ifdef CONFIG_CPU_BIG_ENDIAN
__rev r4, r4
__rev r5, r5
__rev r6, r6
__rev r7, r7
rev_l r4, t0
rev_l r5, t0
rev_l r6, t0
rev_l r7, t0
#endif
eor r4, r4, r8
@@ -144,7 +122,7 @@
eor r6, r6, r10
eor r7, r7, r11
__adrl ttab, \ttab
mov_l ttab, \ttab
/*
* Disable interrupts and prefetch the 1024-byte 'ft' or 'it' table into
* L1 cache, assuming cacheline size >= 32. This is a hardening measure
@@ -180,7 +158,7 @@
2: .ifb \ltab
add ttab, ttab, #1
.else
__adrl ttab, \ltab
mov_l ttab, \ltab
// Prefetch inverse S-box for final round; see explanation above
.set i, 0
.rept 256 / 64
@@ -194,10 +172,10 @@
\round r4, r5, r6, r7, r8, r9, r10, r11, \bsz, b, rounds
#ifdef CONFIG_CPU_BIG_ENDIAN
__rev r4, r4
__rev r5, r5
__rev r6, r6
__rev r7, r7
rev_l r4, t0
rev_l r5, t0
rev_l r6, t0
rev_l r7, t0
#endif
ldr out, [sp]
arch/arm/crypto/blake2b-neon-glue.c
+2 -2
View File
@@ -85,8 +85,8 @@ static int __init blake2b_neon_mod_init(void)
static void __exit blake2b_neon_mod_exit(void)
{
return crypto_unregister_shashes(blake2b_neon_algs,
ARRAY_SIZE(blake2b_neon_algs));
crypto_unregister_shashes(blake2b_neon_algs,
ARRAY_SIZE(blake2b_neon_algs));
}
module_init(blake2b_neon_mod_init);
arch/arm/crypto/blake2s-core.S
+21
View File
@@ -8,6 +8,7 @@
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
// Registers used to hold message words temporarily. There aren't
// enough ARM registers to hold the whole message block, so we have to
@@ -38,6 +39,23 @@
#endif
.endm
.macro _le32_bswap a, tmp
#ifdef __ARMEB__
rev_l \a, \tmp
#endif
.endm
.macro _le32_bswap_8x a, b, c, d, e, f, g, h, tmp
_le32_bswap \a, \tmp
_le32_bswap \b, \tmp
_le32_bswap \c, \tmp
_le32_bswap \d, \tmp
_le32_bswap \e, \tmp
_le32_bswap \f, \tmp
_le32_bswap \g, \tmp
_le32_bswap \h, \tmp
.endm
// Execute a quarter-round of BLAKE2s by mixing two columns or two diagonals.
// (a0, b0, c0, d0) and (a1, b1, c1, d1) give the registers containing the two
// columns/diagonals. s0-s1 are the word offsets to the message words the first
@@ -180,8 +198,10 @@ ENTRY(blake2s_compress_arch)
tst r1, #3
bne .Lcopy_block_misaligned
ldmia r1!, {r2-r9}
_le32_bswap_8x r2, r3, r4, r5, r6, r7, r8, r9, r14
stmia r12!, {r2-r9}
ldmia r1!, {r2-r9}
_le32_bswap_8x r2, r3, r4, r5, r6, r7, r8, r9, r14
stmia r12, {r2-r9}
.Lcopy_block_done:
str r1, [sp, #68] // Update message pointer
@@ -268,6 +288,7 @@ ENTRY(blake2s_compress_arch)
1:
#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
ldr r3, [r1], #4
_le32_bswap r3, r4
#else
ldrb r3, [r1, #0]
ldrb r4, [r1, #1]
arch/arm/crypto/chacha-scalar-core.S
+13 -30
View File
@@ -41,32 +41,15 @@
X14 .req r12
X15 .req r14
.macro __rev out, in, t0, t1, t2
.if __LINUX_ARM_ARCH__ >= 6
rev \out, \in
.else
lsl \t0, \in, #24
and \t1, \in, #0xff00
and \t2, \in, #0xff0000
orr \out, \t0, \in, lsr #24
orr \out, \out, \t1, lsl #8
orr \out, \out, \t2, lsr #8
.endif
.endm
.macro _le32_bswap x, t0, t1, t2
.macro _le32_bswap_4x a, b, c, d, tmp
#ifdef __ARMEB__
__rev \x, \x, \t0, \t1, \t2
rev_l \a, \tmp
rev_l \b, \tmp
rev_l \c, \tmp
rev_l \d, \tmp
#endif
.endm
.macro _le32_bswap_4x a, b, c, d, t0, t1, t2
_le32_bswap \a, \t0, \t1, \t2
_le32_bswap \b, \t0, \t1, \t2
_le32_bswap \c, \t0, \t1, \t2
_le32_bswap \d, \t0, \t1, \t2
.endm
.macro __ldrd a, b, src, offset
#if __LINUX_ARM_ARCH__ >= 6
ldrd \a, \b, [\src, #\offset]
@@ -200,7 +183,7 @@
add X1, X1, r9
add X2, X2, r10
add X3, X3, r11
_le32_bswap_4x X0, X1, X2, X3, r8, r9, r10
_le32_bswap_4x X0, X1, X2, X3, r8
ldmia r12!, {r8-r11}
eor X0, X0, r8
eor X1, X1, r9
@@ -216,7 +199,7 @@
ldmia r12!, {X0-X3}
add X6, r10, X6, ror #brot
add X7, r11, X7, ror #brot
_le32_bswap_4x X4, X5, X6, X7, r8, r9, r10
_le32_bswap_4x X4, X5, X6, X7, r8
eor X4, X4, X0
eor X5, X5, X1
eor X6, X6, X2
@@ -231,7 +214,7 @@
add r1, r1, r9 // x9
add r6, r6, r10 // x10
add r7, r7, r11 // x11
_le32_bswap_4x r0, r1, r6, r7, r8, r9, r10
_le32_bswap_4x r0, r1, r6, r7, r8
ldmia r12!, {r8-r11}
eor r0, r0, r8 // x8
eor r1, r1, r9 // x9
@@ -245,7 +228,7 @@
add r3, r9, r3, ror #drot // x13
add r4, r10, r4, ror #drot // x14
add r5, r11, r5, ror #drot // x15
_le32_bswap_4x r2, r3, r4, r5, r9, r10, r11
_le32_bswap_4x r2, r3, r4, r5, r9
ldr r9, [sp, #72] // load LEN
eor r2, r2, r0 // x12
eor r3, r3, r1 // x13
@@ -301,7 +284,7 @@
add X1, X1, r9
add X2, X2, r10
add X3, X3, r11
_le32_bswap_4x X0, X1, X2, X3, r8, r9, r10
_le32_bswap_4x X0, X1, X2, X3, r8
stmia r14!, {X0-X3}
// Save keystream for x4-x7
@@ -311,7 +294,7 @@
add X5, r9, X5, ror #brot
add X6, r10, X6, ror #brot
add X7, r11, X7, ror #brot
_le32_bswap_4x X4, X5, X6, X7, r8, r9, r10
_le32_bswap_4x X4, X5, X6, X7, r8
add r8, sp, #64
stmia r14!, {X4-X7}
@@ -323,7 +306,7 @@
add r1, r1, r9 // x9
add r6, r6, r10 // x10
add r7, r7, r11 // x11
_le32_bswap_4x r0, r1, r6, r7, r8, r9, r10
_le32_bswap_4x r0, r1, r6, r7, r8
stmia r14!, {r0,r1,r6,r7}
__ldrd r8, r9, sp, 144
__ldrd r10, r11, sp, 152
@@ -331,7 +314,7 @@
add r3, r9, r3, ror #drot // x13
add r4, r10, r4, ror #drot // x14
add r5, r11, r5, ror #drot // x15
_le32_bswap_4x r2, r3, r4, r5, r9, r10, r11
_le32_bswap_4x r2, r3, r4, r5, r9
stmia r14, {r2-r5}
// Stack: ks0-ks15 unused0-unused7 x0-x15 OUT IN LEN
arch/arm/crypto/curve25519-core.S
+1 -1
View File
@@ -10,8 +10,8 @@
#include <linux/linkage.h>
.text
.fpu neon
.arch armv7-a
.fpu neon
.align 4
ENTRY(curve25519_neon)
arch/arm/crypto/poly1305-glue.c
+1 -1
View File
@@ -29,7 +29,7 @@ void __weak poly1305_blocks_neon(void *state, const u8 *src, u32 len, u32 hibit)
static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon);
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 *key)
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 key[POLY1305_KEY_SIZE])
{
poly1305_init_arm(&dctx->h, key);
dctx->s[0] = get_unaligned_le32(key + 16);
arch/arm64/crypto/aes-modes.S
+1
View File
@@ -359,6 +359,7 @@ ST5( mov v4.16b, vctr.16b )
ins vctr.d[0], x8
/* apply carry to N counter blocks for N := x12 */
cbz x12, 2f
adr x16, 1f
sub x16, x16, x12, lsl #3
br x16
arch/arm64/crypto/poly1305-glue.c
+1 -1
View File
@@ -25,7 +25,7 @@ asmlinkage void poly1305_emit(void *state, u8 *digest, const u32 *nonce);
static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon);
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 *key)
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 key[POLY1305_KEY_SIZE])
{
poly1305_init_arm64(&dctx->h, key);
dctx->s[0] = get_unaligned_le32(key + 16);
arch/mips/crypto/poly1305-glue.c
+1 -1
View File
@@ -17,7 +17,7 @@ asmlinkage void poly1305_init_mips(void *state, const u8 *key);
asmlinkage void poly1305_blocks_mips(void *state, const u8 *src, u32 len, u32 hibit);
asmlinkage void poly1305_emit_mips(void *state, u8 *digest, const u32 *nonce);
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 *key)
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 key[POLY1305_KEY_SIZE])
{
poly1305_init_mips(&dctx->h, key);
dctx->s[0] = get_unaligned_le32(key + 16);
arch/powerpc/crypto/sha1-spe-glue.c
+1 -1
View File
@@ -107,7 +107,7 @@ static int ppc_spe_sha1_update(struct shash_desc *desc, const u8 *data,
src += bytes;
len -= bytes;
};
}
memcpy((char *)sctx->buffer, src, len);
return 0;
arch/x86/crypto/poly1305_glue.c
+3 -3
View File
@@ -16,7 +16,7 @@
#include <asm/simd.h>
asmlinkage void poly1305_init_x86_64(void *ctx,
const u8 key[POLY1305_KEY_SIZE]);
const u8 key[POLY1305_BLOCK_SIZE]);
asmlinkage void poly1305_blocks_x86_64(void *ctx, const u8 *inp,
const size_t len, const u32 padbit);
asmlinkage void poly1305_emit_x86_64(void *ctx, u8 mac[POLY1305_DIGEST_SIZE],
@@ -81,7 +81,7 @@ static void convert_to_base2_64(void *ctx)
state->is_base2_26 = 0;
}
static void poly1305_simd_init(void *ctx, const u8 key[POLY1305_KEY_SIZE])
static void poly1305_simd_init(void *ctx, const u8 key[POLY1305_BLOCK_SIZE])
{
poly1305_init_x86_64(ctx, key);
}
@@ -129,7 +129,7 @@ static void poly1305_simd_emit(void *ctx, u8 mac[POLY1305_DIGEST_SIZE],
poly1305_emit_avx(ctx, mac, nonce);
}
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 *key)
void poly1305_init_arch(struct poly1305_desc_ctx *dctx, const u8 key[POLY1305_KEY_SIZE])
{
poly1305_simd_init(&dctx->h, key);
dctx->s[0] = get_unaligned_le32(&key[16]);
crypto/Kconfig
+10 -5
View File
@@ -242,6 +242,16 @@ config CRYPTO_ECDH
help
Generic implementation of the ECDH algorithm
config CRYPTO_ECDSA
tristate "ECDSA (NIST P192, P256 etc.) algorithm"
select CRYPTO_ECC
select CRYPTO_AKCIPHER
select ASN1
help
Elliptic Curve Digital Signature Algorithm (NIST P192, P256 etc.)
is A NIST cryptographic standard algorithm. Only signature verification
is implemented.
config CRYPTO_ECRDSA
tristate "EC-RDSA (GOST 34.10) algorithm"
select CRYPTO_ECC
@@ -1213,7 +1223,6 @@ config CRYPTO_BLOWFISH_X86_64
config CRYPTO_CAMELLIA
tristate "Camellia cipher algorithms"
depends on CRYPTO
select CRYPTO_ALGAPI
help
Camellia cipher algorithms module.
@@ -1229,7 +1238,6 @@ config CRYPTO_CAMELLIA
config CRYPTO_CAMELLIA_X86_64
tristate "Camellia cipher algorithm (x86_64)"
depends on X86 && 64BIT
depends on CRYPTO
select CRYPTO_SKCIPHER
imply CRYPTO_CTR
help
@@ -1246,7 +1254,6 @@ config CRYPTO_CAMELLIA_X86_64
config CRYPTO_CAMELLIA_AESNI_AVX_X86_64
tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX)"
depends on X86 && 64BIT
depends on CRYPTO
select CRYPTO_SKCIPHER
select CRYPTO_CAMELLIA_X86_64
select CRYPTO_SIMD
@@ -1265,7 +1272,6 @@ config CRYPTO_CAMELLIA_AESNI_AVX_X86_64
config CRYPTO_CAMELLIA_AESNI_AVX2_X86_64
tristate "Camellia cipher algorithm (x86_64/AES-NI/AVX2)"
depends on X86 && 64BIT
depends on CRYPTO
select CRYPTO_CAMELLIA_AESNI_AVX_X86_64
help
Camellia cipher algorithm module (x86_64/AES-NI/AVX2).
@@ -1281,7 +1287,6 @@ config CRYPTO_CAMELLIA_AESNI_AVX2_X86_64
config CRYPTO_CAMELLIA_SPARC64
tristate "Camellia cipher algorithm (SPARC64)"
depends on SPARC64
depends on CRYPTO
select CRYPTO_ALGAPI
select CRYPTO_SKCIPHER
help
crypto/Makefile
+6
View File
@@ -50,6 +50,12 @@ sm2_generic-y += sm2.o
obj-$(CONFIG_CRYPTO_SM2) += sm2_generic.o
$(obj)/ecdsasignature.asn1.o: $(obj)/ecdsasignature.asn1.c $(obj)/ecdsasignature.asn1.h
$(obj)/ecdsa.o: $(obj)/ecdsasignature.asn1.h
ecdsa_generic-y += ecdsa.o
ecdsa_generic-y += ecdsasignature.asn1.o
obj-$(CONFIG_CRYPTO_ECDSA) += ecdsa_generic.o
crypto_acompress-y := acompress.o
crypto_acompress-y += scompress.o
obj-$(CONFIG_CRYPTO_ACOMP2) += crypto_acompress.o
crypto/aegis.h
+19
View File
@@ -21,9 +21,28 @@ union aegis_block {
u8 bytes[AEGIS_BLOCK_SIZE];
};
struct aegis_state;
extern int aegis128_have_aes_insn;
#define AEGIS_BLOCK_ALIGN (__alignof__(union aegis_block))
#define AEGIS_ALIGNED(p) IS_ALIGNED((uintptr_t)p, AEGIS_BLOCK_ALIGN)
bool crypto_aegis128_have_simd(void);
void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg);
void crypto_aegis128_init_simd(struct aegis_state *state,
const union aegis_block *key,
const u8 *iv);
void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst,
const u8 *src, unsigned int size);
void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst,
const u8 *src, unsigned int size);
int crypto_aegis128_final_simd(struct aegis_state *state,
union aegis_block *tag_xor,
unsigned int assoclen,
unsigned int cryptlen,
unsigned int authsize);
static __always_inline void crypto_aegis_block_xor(union aegis_block *dst,
const union aegis_block *src)
{
crypto/aegis128-core.c
-15
View File
@@ -58,21 +58,6 @@ static bool aegis128_do_simd(void)
return false;
}
bool crypto_aegis128_have_simd(void);
void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg);
void crypto_aegis128_init_simd(struct aegis_state *state,
const union aegis_block *key,
const u8 *iv);
void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst,
const u8 *src, unsigned int size);
void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst,
const u8 *src, unsigned int size);
int crypto_aegis128_final_simd(struct aegis_state *state,
union aegis_block *tag_xor,
unsigned int assoclen,
unsigned int cryptlen,
unsigned int authsize);
static void crypto_aegis128_update(struct aegis_state *state)
{
union aegis_block tmp;
crypto/aegis128-neon.c
+5 -5
View File
@@ -30,7 +30,7 @@ bool crypto_aegis128_have_simd(void)
return IS_ENABLED(CONFIG_ARM64);
}
void crypto_aegis128_init_simd(union aegis_block *state,
void crypto_aegis128_init_simd(struct aegis_state *state,
const union aegis_block *key,
const u8 *iv)
{
@@ -39,14 +39,14 @@ void crypto_aegis128_init_simd(union aegis_block *state,
kernel_neon_end();
}
void crypto_aegis128_update_simd(union aegis_block *state, const void *msg)
void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg)
{
kernel_neon_begin();
crypto_aegis128_update_neon(state, msg);
kernel_neon_end();
}
void crypto_aegis128_encrypt_chunk_simd(union aegis_block *state, u8 *dst,
void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst,
const u8 *src, unsigned int size)
{
kernel_neon_begin();
@@ -54,7 +54,7 @@ void crypto_aegis128_encrypt_chunk_simd(union aegis_block *state, u8 *dst,
kernel_neon_end();
}
void crypto_aegis128_decrypt_chunk_simd(union aegis_block *state, u8 *dst,
void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst,
const u8 *src, unsigned int size)
{
kernel_neon_begin();
@@ -62,7 +62,7 @@ void crypto_aegis128_decrypt_chunk_simd(union aegis_block *state, u8 *dst,
kernel_neon_end();
}
int crypto_aegis128_final_simd(union aegis_block *state,
int crypto_aegis128_final_simd(struct aegis_state *state,
union aegis_block *tag_xor,
unsigned int assoclen,
unsigned int cryptlen,
crypto/af_alg.c
+53 -41
View File
@@ -491,8 +491,8 @@ static int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con)
/**
* af_alg_alloc_tsgl - allocate the TX SGL
*
* @sk socket of connection to user space
* @return: 0 upon success, < 0 upon error
* @sk: socket of connection to user space
* Return: 0 upon success, < 0 upon error
*/
static int af_alg_alloc_tsgl(struct sock *sk)
{
@@ -525,15 +525,15 @@ static int af_alg_alloc_tsgl(struct sock *sk)
}
/**
* aead_count_tsgl - Count number of TX SG entries
* af_alg_count_tsgl - Count number of TX SG entries
*
* The counting starts from the beginning of the SGL to @bytes. If
* an offset is provided, the counting of the SG entries starts at the offset.
* an @offset is provided, the counting of the SG entries starts at the @offset.
*
* @sk socket of connection to user space
* @bytes Count the number of SG entries holding given number of bytes.
* @offset Start the counting of SG entries from the given offset.
* @return Number of TX SG entries found given the constraints
* @sk: socket of connection to user space
* @bytes: Count the number of SG entries holding given number of bytes.
* @offset: Start the counting of SG entries from the given offset.
* Return: Number of TX SG entries found given the constraints
*/
unsigned int af_alg_count_tsgl(struct sock *sk, size_t bytes, size_t offset)
{
@@ -577,19 +577,19 @@ unsigned int af_alg_count_tsgl(struct sock *sk, size_t bytes, size_t offset)
EXPORT_SYMBOL_GPL(af_alg_count_tsgl);
/**
* aead_pull_tsgl - Release the specified buffers from TX SGL
* af_alg_pull_tsgl - Release the specified buffers from TX SGL
*
* If @dst is non-null, reassign the pages to dst. The caller must release
* If @dst is non-null, reassign the pages to @dst. The caller must release
* the pages. If @dst_offset is given only reassign the pages to @dst starting
* at the @dst_offset (byte). The caller must ensure that @dst is large
* enough (e.g. by using af_alg_count_tsgl with the same offset).
*
* @sk socket of connection to user space
* @used Number of bytes to pull from TX SGL
* @dst If non-NULL, buffer is reassigned to dst SGL instead of releasing. The
* caller must release the buffers in dst.
* @dst_offset Reassign the TX SGL from given offset. All buffers before
* reaching the offset is released.
* @sk: socket of connection to user space
* @used: Number of bytes to pull from TX SGL
* @dst: If non-NULL, buffer is reassigned to dst SGL instead of releasing. The
* caller must release the buffers in dst.
* @dst_offset: Reassign the TX SGL from given offset. All buffers before
* reaching the offset is released.
*/
void af_alg_pull_tsgl(struct sock *sk, size_t used, struct scatterlist *dst,
size_t dst_offset)
@@ -657,7 +657,7 @@ EXPORT_SYMBOL_GPL(af_alg_pull_tsgl);
/**
* af_alg_free_areq_sgls - Release TX and RX SGLs of the request
*
* @areq Request holding the TX and RX SGL
* @areq: Request holding the TX and RX SGL
*/
static void af_alg_free_areq_sgls(struct af_alg_async_req *areq)
{
@@ -692,9 +692,9 @@ static void af_alg_free_areq_sgls(struct af_alg_async_req *areq)
/**
* af_alg_wait_for_wmem - wait for availability of writable memory
*
* @sk socket of connection to user space
* @flags If MSG_DONTWAIT is set, then only report if function would sleep
* @return 0 when writable memory is available, < 0 upon error
* @sk: socket of connection to user space
* @flags: If MSG_DONTWAIT is set, then only report if function would sleep
* Return: 0 when writable memory is available, < 0 upon error
*/
static int af_alg_wait_for_wmem(struct sock *sk, unsigned int flags)
{
@@ -725,7 +725,7 @@ static int af_alg_wait_for_wmem(struct sock *sk, unsigned int flags)
/**
* af_alg_wmem_wakeup - wakeup caller when writable memory is available
*
* @sk socket of connection to user space
* @sk: socket of connection to user space
*/
void af_alg_wmem_wakeup(struct sock *sk)
{
@@ -748,10 +748,10 @@ EXPORT_SYMBOL_GPL(af_alg_wmem_wakeup);
/**
* af_alg_wait_for_data - wait for availability of TX data
*
* @sk socket of connection to user space
* @flags If MSG_DONTWAIT is set, then only report if function would sleep
* @min Set to minimum request size if partial requests are allowed.
* @return 0 when writable memory is available, < 0 upon error
* @sk: socket of connection to user space
* @flags: If MSG_DONTWAIT is set, then only report if function would sleep
* @min: Set to minimum request size if partial requests are allowed.
* Return: 0 when writable memory is available, < 0 upon error
*/
int af_alg_wait_for_data(struct sock *sk, unsigned flags, unsigned min)
{
@@ -790,7 +790,7 @@ EXPORT_SYMBOL_GPL(af_alg_wait_for_data);
/**
* af_alg_data_wakeup - wakeup caller when new data can be sent to kernel
*
* @sk socket of connection to user space
* @sk: socket of connection to user space
*/
static void af_alg_data_wakeup(struct sock *sk)
{
@@ -820,12 +820,12 @@ static void af_alg_data_wakeup(struct sock *sk)
*
* In addition, the ctx is filled with the information sent via CMSG.
*
* @sock socket of connection to user space
* @msg message from user space
* @size size of message from user space
* @ivsize the size of the IV for the cipher operation to verify that the
* @sock: socket of connection to user space
* @msg: message from user space
* @size: size of message from user space
* @ivsize: the size of the IV for the cipher operation to verify that the
* user-space-provided IV has the right size
* @return the number of copied data upon success, < 0 upon error
* Return: the number of copied data upon success, < 0 upon error
*/
int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size,
unsigned int ivsize)
@@ -977,6 +977,11 @@ EXPORT_SYMBOL_GPL(af_alg_sendmsg);
/**
* af_alg_sendpage - sendpage system call handler
* @sock: socket of connection to user space to write to
* @page: data to send
* @offset: offset into page to begin sending
* @size: length of data
* @flags: message send/receive flags
*
* This is a generic implementation of sendpage to fill ctx->tsgl_list.
*/
@@ -1035,6 +1040,7 @@ EXPORT_SYMBOL_GPL(af_alg_sendpage);
/**
* af_alg_free_resources - release resources required for crypto request
* @areq: Request holding the TX and RX SGL
*/
void af_alg_free_resources(struct af_alg_async_req *areq)
{
@@ -1047,6 +1053,9 @@ EXPORT_SYMBOL_GPL(af_alg_free_resources);
/**
* af_alg_async_cb - AIO callback handler
* @_req: async request info
* @err: if non-zero, error result to be returned via ki_complete();
* otherwise return the AIO output length via ki_complete().
*
* This handler cleans up the struct af_alg_async_req upon completion of the
* AIO operation.
@@ -1073,6 +1082,9 @@ EXPORT_SYMBOL_GPL(af_alg_async_cb);
/**
* af_alg_poll - poll system call handler
* @file: file pointer
* @sock: socket to poll
* @wait: poll_table
*/
__poll_t af_alg_poll(struct file *file, struct socket *sock,
poll_table *wait)
@@ -1098,9 +1110,9 @@ EXPORT_SYMBOL_GPL(af_alg_poll);
/**
* af_alg_alloc_areq - allocate struct af_alg_async_req
*
* @sk socket of connection to user space
* @areqlen size of struct af_alg_async_req + crypto_*_reqsize
* @return allocated data structure or ERR_PTR upon error
* @sk: socket of connection to user space
* @areqlen: size of struct af_alg_async_req + crypto_*_reqsize
* Return: allocated data structure or ERR_PTR upon error
*/
struct af_alg_async_req *af_alg_alloc_areq(struct sock *sk,
unsigned int areqlen)
@@ -1125,13 +1137,13 @@ EXPORT_SYMBOL_GPL(af_alg_alloc_areq);
* af_alg_get_rsgl - create the RX SGL for the output data from the crypto
* operation
*
* @sk socket of connection to user space
* @msg user space message
* @flags flags used to invoke recvmsg with
* @areq instance of the cryptographic request that will hold the RX SGL
* @maxsize maximum number of bytes to be pulled from user space
* @outlen number of bytes in the RX SGL
* @return 0 on success, < 0 upon error
* @sk: socket of connection to user space
* @msg: user space message
* @flags: flags used to invoke recvmsg with
* @areq: instance of the cryptographic request that will hold the RX SGL
* @maxsize: maximum number of bytes to be pulled from user space
* @outlen: number of bytes in the RX SGL
* Return: 0 on success, < 0 upon error
*/
int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags,
struct af_alg_async_req *areq, size_t maxsize,
crypto/api.c
+1 -1
View File
@@ -562,7 +562,7 @@ void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm)
{
struct crypto_alg *alg;
if (unlikely(!mem))
if (IS_ERR_OR_NULL(mem))
return;
alg = tfm->__crt_alg;

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