From nobody Wed Feb 11 02:10:06 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 1512462107175648.1941508352143; Tue, 5 Dec 2017 00:21:47 -0800 (PST) Received: from localhost ([::1]:47142 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eM8Tw-0006pD-67 for importer@patchew.org; Tue, 05 Dec 2017 03:21:36 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47477) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eM8QX-0004Uq-4s for qemu-devel@nongnu.org; Tue, 05 Dec 2017 03:18:08 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eM8QW-0006wE-6e for qemu-devel@nongnu.org; Tue, 05 Dec 2017 03:18:05 -0500 Received: from chuckie.co.uk ([82.165.15.123]:38204 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-0006vn-W7 for qemu-devel@nongnu.org; Tue, 05 Dec 2017 03:18:04 -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 1eM8Qc-0005WJ-In; Tue, 05 Dec 2017 08:18:11 +0000 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, jasowang@redhat.com, sw@weilnetz.de Date: Tue, 5 Dec 2017 08:17:43 +0000 Message-Id: <20171205081744.6563-5-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 4/5] eepro100: switch e100_compute_mcast_idx() over to use net_crc32() 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: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Stefan Weil --- hw/net/eepro100.c | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-) diff --git a/hw/net/eepro100.c b/hw/net/eepro100.c index 1c0def555b..4fe94b7471 100644 --- a/hw/net/eepro100.c +++ b/hw/net/eepro100.c @@ -327,26 +327,9 @@ static const uint16_t eepro100_mdi_mask[] =3D { =20 static E100PCIDeviceInfo *eepro100_get_class(EEPRO100State *s); =20 -/* From FreeBSD (locally modified). */ static unsigned e100_compute_mcast_idx(const uint8_t *ep) { - uint32_t crc; - int carry, i, j; - uint8_t b; - - crc =3D 0xffffffff; - for (i =3D 0; i < 6; i++) { - b =3D *ep++; - for (j =3D 0; j < 8; j++) { - carry =3D ((crc & 0x80000000L) ? 1 : 0) ^ (b & 0x01); - crc <<=3D 1; - b >>=3D 1; - if (carry) { - crc =3D ((crc ^ POLYNOMIAL) | carry); - } - } - } - return (crc & BITS(7, 2)) >> 2; + return (net_crc32(ep, 6) & BITS(7, 2)) >> 2; } =20 /* Read a 16 bit control/status (CSR) register. */ --=20 2.11.0