From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42494 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750996AbdKSLGY (ORCPT ); Sun, 19 Nov 2017 06:06:24 -0500 Subject: Patch "ixgbe: add mask for 64 RSS queues" has been added to the 4.4-stable tree To: emil.s.tantilov@intel.com, alexander.levin@verizon.com, andrewx.bowers@intel.com, gregkh@linuxfoundation.org, jeffrey.t.kirsher@intel.com, krishneil.k.singh@intel.com Cc: , From: Date: Sun, 19 Nov 2017 12:05:53 +0100 Message-ID: <15110895535068@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 ixgbe: add mask for 64 RSS queues 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: ixgbe-add-mask-for-64-rss-queues.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 Sun Nov 19 12:02:55 CET 2017 From: Emil Tantilov Date: Fri, 4 Nov 2016 14:03:03 -0700 Subject: ixgbe: add mask for 64 RSS queues From: Emil Tantilov [ Upstream commit 2bf1a87b903bd81b1448a1cef73de59fb6c4d340 ] The indirection table was reported incorrectly for X550 and newer where we can support up to 64 RSS queues. Reported-by Krishneil Singh Signed-off-by: Emil Tantilov Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c @@ -307,6 +307,7 @@ static void ixgbe_cache_ring_register(st ixgbe_cache_ring_rss(adapter); } +#define IXGBE_RSS_64Q_MASK 0x3F #define IXGBE_RSS_16Q_MASK 0xF #define IXGBE_RSS_8Q_MASK 0x7 #define IXGBE_RSS_4Q_MASK 0x3 @@ -602,6 +603,7 @@ static bool ixgbe_set_sriov_queues(struc **/ static bool ixgbe_set_rss_queues(struct ixgbe_adapter *adapter) { + struct ixgbe_hw *hw = &adapter->hw; struct ixgbe_ring_feature *f; u16 rss_i; @@ -610,7 +612,11 @@ static bool ixgbe_set_rss_queues(struct rss_i = f->limit; f->indices = rss_i; - f->mask = IXGBE_RSS_16Q_MASK; + + if (hw->mac.type < ixgbe_mac_X550) + f->mask = IXGBE_RSS_16Q_MASK; + else + f->mask = IXGBE_RSS_64Q_MASK; /* disable ATR by default, it will be configured below */ adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE; Patches currently in stable-queue which might be from emil.s.tantilov@intel.com are queue-4.4/ixgbe-handle-close-suspend-race-with-netif_device_detach-present.patch queue-4.4/ixgbe-do-not-disable-fec-from-the-driver.patch queue-4.4/ixgbe-fix-aer-error-handling.patch queue-4.4/ixgbe-add-mask-for-64-rss-queues.patch