mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 15:12:45 +07:00
528282630c
In order to speed up aegis128 processing even more, duplicate the init() and final() routines as SIMD versions in their entirety. This results in a 2x speedup on ARM Cortex-A57 for ~1500 byte packets (using AES instructions). Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Copyright (C) 2019 Linaro Ltd <ard.biesheuvel@linaro.org>
|
|
*/
|
|
|
|
#include <asm/cpufeature.h>
|
|
#include <asm/neon.h>
|
|
|
|
#include "aegis.h"
|
|
|
|
void crypto_aegis128_init_neon(void *state, const void *key, const void *iv);
|
|
void crypto_aegis128_update_neon(void *state, const void *msg);
|
|
void crypto_aegis128_encrypt_chunk_neon(void *state, void *dst, const void *src,
|
|
unsigned int size);
|
|
void crypto_aegis128_decrypt_chunk_neon(void *state, void *dst, const void *src,
|
|
unsigned int size);
|
|
void crypto_aegis128_final_neon(void *state, void *tag_xor, uint64_t assoclen,
|
|
uint64_t cryptlen);
|
|
|
|
int aegis128_have_aes_insn __ro_after_init;
|
|
|
|
bool crypto_aegis128_have_simd(void)
|
|
{
|
|
if (cpu_have_feature(cpu_feature(AES))) {
|
|
aegis128_have_aes_insn = 1;
|
|
return true;
|
|
}
|
|
return IS_ENABLED(CONFIG_ARM64);
|
|
}
|
|
|
|
void crypto_aegis128_init_simd(union aegis_block *state,
|
|
const union aegis_block *key,
|
|
const u8 *iv)
|
|
{
|
|
kernel_neon_begin();
|
|
crypto_aegis128_init_neon(state, key, iv);
|
|
kernel_neon_end();
|
|
}
|
|
|
|
void crypto_aegis128_update_simd(union aegis_block *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,
|
|
const u8 *src, unsigned int size)
|
|
{
|
|
kernel_neon_begin();
|
|
crypto_aegis128_encrypt_chunk_neon(state, dst, src, size);
|
|
kernel_neon_end();
|
|
}
|
|
|
|
void crypto_aegis128_decrypt_chunk_simd(union aegis_block *state, u8 *dst,
|
|
const u8 *src, unsigned int size)
|
|
{
|
|
kernel_neon_begin();
|
|
crypto_aegis128_decrypt_chunk_neon(state, dst, src, size);
|
|
kernel_neon_end();
|
|
}
|
|
|
|
void crypto_aegis128_final_simd(union aegis_block *state,
|
|
union aegis_block *tag_xor,
|
|
u64 assoclen, u64 cryptlen)
|
|
{
|
|
kernel_neon_begin();
|
|
crypto_aegis128_final_neon(state, tag_xor, assoclen, cryptlen);
|
|
kernel_neon_end();
|
|
}
|