From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42666 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932143AbeCSJKp (ORCPT ); Mon, 19 Mar 2018 05:10:45 -0400 Subject: Patch "i40e: fix ethtool to get EEPROM data from X722 interface" has been added to the 4.4-stable tree To: lihong.yang@intel.com, alexander.levin@microsoft.com, andrewx.bowers@intel.com, gregkh@linuxfoundation.org, jeffrey.t.kirsher@intel.com Cc: , From: Date: Mon, 19 Mar 2018 10:09:20 +0100 Message-ID: <152145056011989@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled i40e: fix ethtool to get EEPROM data from X722 interface to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: i40e-fix-ethtool-to-get-eeprom-data-from-x722-interface.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Mon Mar 19 09:58:12 CET 2018 From: Lihong Yang Date: Mon, 30 Jan 2017 12:29:32 -0800 Subject: i40e: fix ethtool to get EEPROM data from X722 interface From: Lihong Yang [ Upstream commit c271dd6c391b535226cf1a81aaad9f33cb5899d3 ] Currently ethtool -e will error out with a X722 interface as its EEPROM has a scope limit at offset 0x5B9FFF. This patch fixes the issue by setting the EEPROM length to the scope limit to avoid NVM read failure beyond that. Change-ID: I0b7d4dd6c7f2a57cace438af5dffa0f44c229372 Signed-off-by: Lihong Yang Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -1073,6 +1073,11 @@ static int i40e_get_eeprom_len(struct ne struct i40e_hw *hw = &np->vsi->back->hw; u32 val; +#define X722_EEPROM_SCOPE_LIMIT 0x5B9FFF + if (hw->mac.type == I40E_MAC_X722) { + val = X722_EEPROM_SCOPE_LIMIT + 1; + return val; + } val = (rd32(hw, I40E_GLPCI_LBARCTRL) & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK) >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT; Patches currently in stable-queue which might be from lihong.yang@intel.com are queue-4.4/i40e-fix-ethtool-to-get-eeprom-data-from-x722-interface.patch