From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 7AEB6F72 for ; Wed, 2 Nov 2016 11:21:26 +0100 (CET) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga104.jf.intel.com with ESMTP; 02 Nov 2016 03:21:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,583,1473145200"; d="scan'208";a="26465823" Received: from yliu-dev.sh.intel.com ([10.239.67.162]) by fmsmga006.fm.intel.com with ESMTP; 02 Nov 2016 03:21:25 -0700 From: Yuanhan Liu To: Xiao Wang Date: Wed, 2 Nov 2016 18:21:33 +0800 Message-Id: <1478082097-16957-37-git-send-email-yuanhan.liu@linux.intel.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1478082097-16957-1-git-send-email-yuanhan.liu@linux.intel.com> References: <1478082097-16957-1-git-send-email-yuanhan.liu@linux.intel.com> Cc: dpdk stable , Sarath Somasekharan Subject: [dpdk-stable] patch 'net/fm10k: fix VF Tx queue initialization' has been queued to stable release 16.07.2 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Nov 2016 10:21:26 -0000 Hi, FYI, your patch has been queued to stable release 16.07.2 Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet. It will be pushed if I get no objections before 11/06/16. So please shout if anyone has objections. Thanks. --yliu --- >>From 65e55e4f13239e04873d5a7f67072e8039afb7cc Mon Sep 17 00:00:00 2001 From: Xiao Wang Date: Wed, 19 Oct 2016 09:30:14 +0800 Subject: [PATCH] net/fm10k: fix VF Tx queue initialization [ upstream commit 2c448da6aa1028fd75d631d3aa3c265483042aaa ] The SGLORT (Source Global Resource Tag) of the VF queues should be assigned by PF driver, VF driver should not set these registers. Fixes: 3b845bf6bcd9 ("fm10k: fix switch manager high CPU usage") Reported-by: Sarath Somasekharan Signed-off-by: Xiao Wang --- drivers/net/fm10k/fm10k_ethdev.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c index 89d99d4..35cbe08 100644 --- a/drivers/net/fm10k/fm10k_ethdev.c +++ b/drivers/net/fm10k/fm10k_ethdev.c @@ -695,8 +695,9 @@ fm10k_dev_tx_init(struct rte_eth_dev *dev) base_addr >> (CHAR_BIT * sizeof(uint32_t))); FM10K_WRITE_REG(hw, FM10K_TDLEN(i), size); - /* assign default SGLORT for each TX queue */ - FM10K_WRITE_REG(hw, FM10K_TX_SGLORT(i), hw->mac.dglort_map); + /* assign default SGLORT for each TX queue by PF */ + if (hw->mac.type == fm10k_mac_pf) + FM10K_WRITE_REG(hw, FM10K_TX_SGLORT(i), hw->mac.dglort_map); } /* set up vector or scalar TX function as appropriate */ -- 1.9.0