From patchwork Sat Dec 21 09:10:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 852972 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 427121F2399 for ; Sat, 21 Dec 2024 09:11:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734772296; cv=none; b=IvE8w4A2ubDvTNn3dAEdh+XP90TKlDH1st3Jzvllu6NPRDoRdV5HSxO2huni2KxivZRRhqu3XbNJZgYdFCoEjYJ47rhy1zConXqAYvv0HIMy7+SwybCy1NhrmPp0kkS+qvBasmrFg3rCkylR3CsNHx5MwAT4bzFD3vGpQsHEWLM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734772296; c=relaxed/simple; bh=5pj/D1hOOx/ISCCP0hxDOq++HsD61KuEGNf//Yqj0yQ=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uH+4wJ0M0uLXjNtCCr0hl0zJkMUAzJCPfTYmf8zMXs8HTM0YEwvcJ7Sady+nYcWeKKwnX8YvVAJUv9Ou1+9NojhNanJdcmTsfgofdvrUBnEcNN1wv3ZqfKc8veQYwoGPXXFGffg4KloKU7AEUF9milodJ9rDEyhc76qmV5kBAso= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KekUY5XG; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KekUY5XG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 19F41C4CECE for ; Sat, 21 Dec 2024 09:11:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734772296; bh=5pj/D1hOOx/ISCCP0hxDOq++HsD61KuEGNf//Yqj0yQ=; h=From:To:Subject:Date:In-Reply-To:References:From; b=KekUY5XGZO3ebARzWGDgXwieVrb5pkBafoIE5HRjhSRTMKoSTbVVuh/pTv79bY1m/ P5Zjt2LSMD+TKcaVF/2NpSKVAIGs2R0p/yDyCD6wl7bH19n6vfsR8JzUu6ljYA35OO 7+SJHQnIbZQe9PQoMufFMyBNDBALkG84Qt2/JW59zPDyZm4lcpfpRU0o9bK/1xxwpL bxYjsnDycQQvRtwjlTuwdBax/xzVZHyp4+/Xuny+vCtYGrral3qxnDwJ2WwlzxLl0e G8zuzI7MYH8yEYeXqlHUbq5LUlngUlIof6q9loLfUNsbWJL4KQvKmZHq5/DEFR3IHi IxDlHMqiBkyPQ== From: Eric Biggers To: linux-crypto@vger.kernel.org Subject: [PATCH 25/29] crypto: x86/aegis - use the new scatterwalk functions Date: Sat, 21 Dec 2024 01:10:52 -0800 Message-ID: <20241221091056.282098-26-ebiggers@kernel.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241221091056.282098-1-ebiggers@kernel.org> References: <20241221091056.282098-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Eric Biggers In crypto_aegis128_aesni_process_ad(), use scatterwalk_next() which consolidates scatterwalk_clamp() and scatterwalk_map(). Use scatterwalk_done_src() which consolidates scatterwalk_unmap(), scatterwalk_advance(), and scatterwalk_done(). Signed-off-by: Eric Biggers --- arch/x86/crypto/aegis128-aesni-glue.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/arch/x86/crypto/aegis128-aesni-glue.c b/arch/x86/crypto/aegis128-aesni-glue.c index 01fa568dc5fc..1bd093d073ed 100644 --- a/arch/x86/crypto/aegis128-aesni-glue.c +++ b/arch/x86/crypto/aegis128-aesni-glue.c @@ -69,14 +69,14 @@ static void crypto_aegis128_aesni_process_ad( struct aegis_block buf; unsigned int pos = 0; scatterwalk_start(&walk, sg_src); while (assoclen != 0) { - unsigned int size = scatterwalk_clamp(&walk, assoclen); + unsigned int size; + const u8 *mapped = scatterwalk_next(&walk, assoclen, &size); unsigned int left = size; - void *mapped = scatterwalk_map(&walk); - const u8 *src = (const u8 *)mapped; + const u8 *src = mapped; if (pos + size >= AEGIS128_BLOCK_SIZE) { if (pos > 0) { unsigned int fill = AEGIS128_BLOCK_SIZE - pos; memcpy(buf.bytes + pos, src, fill); @@ -95,13 +95,11 @@ static void crypto_aegis128_aesni_process_ad( memcpy(buf.bytes + pos, src, left); pos += left; assoclen -= size; - scatterwalk_unmap(mapped); - scatterwalk_advance(&walk, size); - scatterwalk_done(&walk, 0, assoclen); + scatterwalk_done_src(&walk, mapped, size); } if (pos > 0) { memset(buf.bytes + pos, 0, AEGIS128_BLOCK_SIZE - pos); aegis128_aesni_ad(state, buf.bytes, AEGIS128_BLOCK_SIZE);