From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC34EC43441 for ; Wed, 28 Nov 2018 15:17:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 31D9F20989 for ; Wed, 28 Nov 2018 15:17:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=rainbow-software.org header.i=@rainbow-software.org header.b="SBwFws8H" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31D9F20989 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rainbow-software.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728766AbeK2CTd (ORCPT ); Wed, 28 Nov 2018 21:19:33 -0500 Received: from smtp-1b-out-4.atlantis.sk ([80.94.52.30]:51117 "EHLO smtp-1b-out-4.atlantis.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727941AbeK2CTc (ORCPT ); Wed, 28 Nov 2018 21:19:32 -0500 X-Greylist: delayed 549 seconds by postgrey-1.27 at vger.kernel.org; Wed, 28 Nov 2018 21:19:31 EST Received: from [192.168.1.3] (ns.gsystem.sk [62.176.172.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp-1b.atlantis.sk (Postfix) with ESMTPSA id 8A55383449E1; Wed, 28 Nov 2018 16:08:19 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rainbow-software.org; s=atlsmtp; t=1543417703; bh=HoxdWsynUGVCqIsU5mfdpBwyJOPHo64PcxIpAEtCLs4=; h=From:To:Subject:Date:Cc; b=SBwFws8HAOLxHdO3E/83bg/ehgXcK2dlrbkbH3T9cX7Q+pAvUeo5pbCMq9MYwJ7HO Dd2ZRW2IohGwSNtoa651P+1IT+sf6egZnkfD4heUJEXVwo8d7RrU/ovQSz4InhuFCD b/bTGvelD6gISOEovJScdHfKOhYmVU1Gdf46O8X8= From: Ondrej Zary To: Michael Chan Subject: bnxt_en: NIC Link is Up, 100 Mbps full duplex - but no data Date: Wed, 28 Nov 2018 16:08:14 +0100 User-Agent: KMail/1.9.10 (enterprise35 0.20100827.1168748) Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <201811281608.14617.linux@rainbow-software.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, I have a new Dell R740 server with BCM57416: Ethernet controller [0200]: Broadcom Limited BCM57416 NetXtreme-E 10GBase-T RDMA Ethernet Controller [14e4:16d8] (rev 01) Subsystem: Broadcom Limited BCM57416 NetXtreme-E Dual-Media 10G RDMA Ethernet Controller [14e4:4160] When I connect a cable from 100Mbps switch, everything looks good - the link LED lights up orange, data LED flashes green as when data is sent/received, this appears in log: [ 3791.655357] bnxt_en 0000:17:00.0 eno1np0: NIC Link is Up, 100 Mbps full duplex, Flow control: ON - receive & transmit [ 3791.655361] bnxt_en 0000:17:00.0 eno1np0: EEE is not active [ 3791.655364] bnxt_en 0000:17:00.0 eno1np0: FEC autoneg off encodings: None But no data comes in or out. tcpdump shows only outgoing packets and they're not transmitted in real (not seen by other machines). It works fine after connecting through a gigabit switch. Currently running 4.18.0-2-amd64 kernel (Debian testing). Any ideas? -- Ondrej Zary