From: Eric Biggers <ebiggers@xxxxxxxxxx> Implement the ->digest method to improve performance on single-page messages by reducing the number of indirect calls. Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> --- arch/arm64/crypto/nhpoly1305-neon-glue.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/crypto/nhpoly1305-neon-glue.c b/arch/arm64/crypto/nhpoly1305-neon-glue.c index cd882c35d9252..e4a0b463f080e 100644 --- a/arch/arm64/crypto/nhpoly1305-neon-glue.c +++ b/arch/arm64/crypto/nhpoly1305-neon-glue.c @@ -27,30 +27,39 @@ static int nhpoly1305_neon_update(struct shash_desc *desc, kernel_neon_begin(); crypto_nhpoly1305_update_helper(desc, src, n, nh_neon); kernel_neon_end(); src += n; srclen -= n; } while (srclen); return 0; } +static int nhpoly1305_neon_digest(struct shash_desc *desc, + const u8 *src, unsigned int srclen, u8 *out) +{ + return crypto_nhpoly1305_init(desc) ?: + nhpoly1305_neon_update(desc, src, srclen) ?: + crypto_nhpoly1305_final(desc, out); +} + static struct shash_alg nhpoly1305_alg = { .base.cra_name = "nhpoly1305", .base.cra_driver_name = "nhpoly1305-neon", .base.cra_priority = 200, .base.cra_ctxsize = sizeof(struct nhpoly1305_key), .base.cra_module = THIS_MODULE, .digestsize = POLY1305_DIGEST_SIZE, .init = crypto_nhpoly1305_init, .update = nhpoly1305_neon_update, .final = crypto_nhpoly1305_final, + .digest = nhpoly1305_neon_digest, .setkey = crypto_nhpoly1305_setkey, .descsize = sizeof(struct nhpoly1305_state), }; static int __init nhpoly1305_mod_init(void) { if (!cpu_have_named_feature(ASIMD)) return -ENODEV; return crypto_register_shash(&nhpoly1305_alg); -- 2.42.0