From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1414047-1519989836-2-9870943339317357311 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.249, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, T_RP_MATCHES_RCVD -0.01, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='CN', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1519989835; b=VoHS3DEr63goh0T2qqfjybA6Ef7BeHzMuAmixjgG7e/jZ2Y tY/RVJqs+AyB1AM4B/37pSu2acrEw5iMpRvMlMl5C3f06EiQpCjOb6Z4IrcQbRgX 2/fH/F3TtRbAVle8D2l/N49IXZnBF9XjShzy/CVS4ADW4RQ459C19cKrZ2Cc0k2x BI0msf4MZeuRBy5zZczGurueEXNN9phskGr8EFOtnAmO+TX8kB0nb4paLFIaxGtF qvL0R+jEcofbr33PQtukxVmUwdSVf5ROgAlkAq9mOxY1m9+yqIwTAKY0Tll9D2PU VQxgaH9EH3V3FKTAaZTKvSKdNr493EvFr7lxVmw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=arctest; t=1519989835; bh=i3uN3nb0VcHpoqMzlbBy0RAlK2 SQhEzonQ6X4HKBa9U=; b=v0l8V+Hz529kBIcekLF50FAgQEX/z9mIljIeRORtKa HpYRLkENs13l8lJn3VfRzh0pQzLYIC27Dz9Dr1/Px6ADN1YdxoyxyFt3Gqp+SK5Z sYSPdPzSxS2PQ4aGCPzB/jM3JYZ9Ccq0cmbLRvSt1tEQOld8vl4M91fr5V/wxIeV so2q+wk7g7ZWvPkISx/NxcI7mCsnqjKDXEBNFosIn04PRpm/rLR2jU48Id7qx6P0 nC2z2+BZb+KxulsVtJjJ3nDtCsHec5/9fJlR6fH3U2Yz3rfhI4AY+Ez8YyLx5rCL OceYI5yCfx6jlQmimIHbqh4V1L/lVYPWCGuCExTrwqtg== ARC-Authentication-Results: i=1; mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Authentication-Results: mx1.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423166AbeCBLXc (ORCPT ); Fri, 2 Mar 2018 06:23:32 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:49022 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423161AbeCBIve (ORCPT ); Fri, 2 Mar 2018 03:51:34 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Siva Reddy Kallam , Michael Chan , "David S. Miller" , Sasha Levin Subject: [PATCH 3.18 10/24] tg3: Enable PHY reset in MTU change path for 5720 Date: Fri, 2 Mar 2018 09:51:07 +0100 Message-Id: <20180302084239.669158320@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180302084239.157503766@linuxfoundation.org> References: <20180302084239.157503766@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 3.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Siva Reddy Kallam [ Upstream commit e60ee41aaf898584205a6af5c996860d0fe6a836 ] A customer noticed RX path hang when MTU is changed on the fly while running heavy traffic with NCSI enabled for 5717 and 5719. Since 5720 belongs to same ASIC family, we observed same issue and same fix could solve this problem for 5720. Signed-off-by: Siva Reddy Kallam Signed-off-by: Michael Chan Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/broadcom/tg3.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -14214,7 +14214,8 @@ static int tg3_change_mtu(struct net_dev */ if (tg3_asic_rev(tp) == ASIC_REV_57766 || tg3_asic_rev(tp) == ASIC_REV_5717 || - tg3_asic_rev(tp) == ASIC_REV_5719) + tg3_asic_rev(tp) == ASIC_REV_5719 || + tg3_asic_rev(tp) == ASIC_REV_5720) reset_phy = true; err = tg3_restart_hw(tp, reset_phy);