From nobody Wed Feb 11 02:09:39 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1512462101802666.4978571404556; Tue, 5 Dec 2017 00:21:41 -0800 (PST) Received: from localhost ([::1]:47143 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eM8Tw-0006pS-07 for importer@patchew.org; Tue, 05 Dec 2017 03:21:36 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47503) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eM8QZ-0004WI-2N for qemu-devel@nongnu.org; Tue, 05 Dec 2017 03:18:12 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eM8QV-0006vh-85 for qemu-devel@nongnu.org; Tue, 05 Dec 2017 03:18:07 -0500 Received: from chuckie.co.uk ([82.165.15.123]:38201 helo=s16892447.onlinehome-server.info) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eM8QV-0006vE-2c for qemu-devel@nongnu.org; Tue, 05 Dec 2017 03:18:03 -0500 Received: from host109-155-37-222.range109-155.btcentralplus.com ([109.155.37.222] helo=kentang.home) by s16892447.onlinehome-server.info with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1eM8Qb-0005WJ-FU; Tue, 05 Dec 2017 08:18:10 +0000 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, jasowang@redhat.com, sw@weilnetz.de Date: Tue, 5 Dec 2017 08:17:42 +0000 Message-Id: <20171205081744.6563-4-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171205081744.6563-1-mark.cave-ayland@ilande.co.uk> References: <20171205081744.6563-1-mark.cave-ayland@ilande.co.uk> X-SA-Exim-Connect-IP: 109.155.37.222 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk X-SA-Exim-Version: 4.2.1 (built Sun, 08 Jan 2012 02:45:44 +0000) X-SA-Exim-Scanned: Yes (on s16892447.onlinehome-server.info) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 82.165.15.123 Subject: [Qemu-devel] [PATCHv2 3/5] pcnet: switch lnc_mchash() over to use net_crc32_le() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Mark Cave-Ayland Reviewed-by: Eric Blake Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/net/pcnet.c | 16 +--------------- 1 file changed, 1 insertion(+), 15 deletions(-) diff --git a/hw/net/pcnet.c b/hw/net/pcnet.c index 654455355f..c050993aa9 100644 --- a/hw/net/pcnet.c +++ b/hw/net/pcnet.c @@ -522,23 +522,9 @@ static inline void pcnet_rmd_store(PCNetState *s, stru= ct pcnet_RMD *rmd, be16_to_cpu(hdr->ether_type)); \ } while (0) =20 -#define MULTICAST_FILTER_LEN 8 - static inline uint32_t lnc_mchash(const uint8_t *ether_addr) { -#define LNC_POLYNOMIAL 0xEDB88320UL - uint32_t crc =3D 0xFFFFFFFF; - int idx, bit; - uint8_t data; - - for (idx =3D 0; idx < 6; idx++) { - for (data =3D *ether_addr++, bit =3D 0; bit < MULTICAST_FILTER_LEN= ; bit++) { - crc =3D (crc >> 1) ^ (((crc ^ data) & 1) ? LNC_POLYNOMIAL : 0); - data >>=3D 1; - } - } - return crc; -#undef LNC_POLYNOMIAL + return net_crc32_le(ether_addr, 6); } =20 #define CRC(crc, ch) (crc =3D (crc >> 8) ^ crctab[(crc ^ (ch)) & 0xff]) --=20 2.11.0