From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 3CB3310BBF; Wed, 21 Dec 2016 10:51:51 +0100 (CET) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP; 21 Dec 2016 01:51:51 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,382,1477983600"; d="scan'208";a="1084967391" Received: from dpdk4.bj.intel.com ([172.16.182.178]) by fmsmga001.fm.intel.com with ESMTP; 21 Dec 2016 01:51:49 -0800 From: Wei Dai To: dev@dpdk.org Cc: helin.zhang@intel.com, konstantin.ananyev@intel.com, Wei Dai , stable@dpdk.org Date: Wed, 21 Dec 2016 17:47:46 +0800 Message-Id: <1482313694-31602-3-git-send-email-wei.dai@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1482313694-31602-1-git-send-email-wei.dai@intel.com> References: <1482313694-31602-1-git-send-email-wei.dai@intel.com> Subject: [dpdk-dev] [PATCH v2 02/30] net/ixgbe/base: fix clearing SAN MAC address X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Dec 2016 09:51:51 -0000 Receive Address Register (RAR) entries, including SAN MAC address, are cleared when VMDq pool bits are cleared. Prevent SAN MAC address to be cleared. Fixes: af75078fece3 ("first public release") CC: stable@dpdk.org Signed-off-by: Wei Dai --- drivers/net/ixgbe/base/ixgbe_common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ixgbe/base/ixgbe_common.c b/drivers/net/ixgbe/base/ixgbe_common.c index cca19ef..b2cc6fb 100644 --- a/drivers/net/ixgbe/base/ixgbe_common.c +++ b/drivers/net/ixgbe/base/ixgbe_common.c @@ -3764,7 +3764,8 @@ s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq) } /* was that the last pool using this rar? */ - if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0) + if (mpsar_lo == 0 && mpsar_hi == 0 && + rar != 0 && rar != hw->mac.san_mac_rar_index) hw->mac.ops.clear_rar(hw, rar); done: return IXGBE_SUCCESS; -- 2.7.4