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 25F509173 for ; Thu, 25 May 2017 11:51:19 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga104.jf.intel.com with ESMTP; 25 May 2017 02:51:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.38,391,1491289200"; d="scan'208";a="91624196" Received: from yliu-dev.sh.intel.com ([10.239.67.162]) by orsmga002.jf.intel.com with ESMTP; 25 May 2017 02:50:50 -0700 From: Yuanhan Liu To: Wenzhuo Lu Cc: Yuanhan Liu , dpdk stable Date: Thu, 25 May 2017 17:48:15 +0800 Message-Id: <1495705809-21416-43-git-send-email-yuanhan.liu@linux.intel.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1495705809-21416-1-git-send-email-yuanhan.liu@linux.intel.com> References: <1495705809-21416-1-git-send-email-yuanhan.liu@linux.intel.com> Subject: [dpdk-stable] patch 'net/ixgbe: fix TC bandwidth setting' has been queued to stable release 17.02.1 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 May 2017 09:51:19 -0000 Hi, FYI, your patch has been queued to stable release 17.02.1 Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet. It will be pushed if I get no objections before 05/28/17. So please shout if anyone has objections. Thanks. --yliu --- >>From b94ac941b1267270901c894825f9b96a81dd8b04 Mon Sep 17 00:00:00 2001 From: Wenzhuo Lu Date: Fri, 24 Mar 2017 10:51:03 +0800 Subject: [PATCH] net/ixgbe: fix TC bandwidth setting [ upstream commit 1c4da4ef963a971701cd319ab78a431ca53bcb93 ] 4 and 8 TCs are supported on ixgbe. By default there're 8 TCs. So when initializing the device, the bandwidth for 8 TCs is set. When changing the TC number, it's only considered setting the bandwidth for 4 TCs. If the user change the number from 4 to 8, the TCs' bandwidth is not right. Fixes: 0807f80d35d0 ("ixgbe: DCB / flow control") Signed-off-by: Wenzhuo Lu --- drivers/net/ixgbe/ixgbe_rxtx.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c index 8751fe3..537d7f4 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.c +++ b/drivers/net/ixgbe/ixgbe_rxtx.c @@ -3762,6 +3762,15 @@ ixgbe_dcb_hw_configure(struct rte_eth_dev *dev, tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent = 0; tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent = 0; } + } else { + /* Re-configure 8 TCs BW */ + for (i = 0; i < nb_tcs; i++) { + tc = &dcb_config->tc_config[i]; + tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent = + (uint8_t)(100 / nb_tcs + (i & 1)); + tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent = + (uint8_t)(100 / nb_tcs + (i & 1)); + } } switch (hw->mac.type) { -- 1.9.0