From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 4379F235; Wed, 25 Jul 2018 11:46:24 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Jul 2018 02:46:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,400,1526367600"; d="scan'208";a="75766283" Received: from silpixa00383879.ir.intel.com (HELO silpixa00383879.ger.corp.intel.com) ([10.237.223.127]) by orsmga001.jf.intel.com with ESMTP; 25 Jul 2018 02:46:22 -0700 From: Radu Nicolau To: dev@dpdk.org Cc: declan.doherty@intel.com, chas3@att.com, ferruh.yigit@intel.com, Radu Nicolau , stable@dpdk.org Date: Wed, 25 Jul 2018 10:39:40 +0100 Message-Id: <1532511580-2631-1-git-send-email-radu.nicolau@intel.com> X-Mailer: git-send-email 2.7.5 In-Reply-To: <1532080957-26940-1-git-send-email-radu.nicolau@intel.com> References: <1532080957-26940-1-git-send-email-radu.nicolau@intel.com> Subject: [dpdk-dev] [PATCH v2] net/bonding: fix race condition 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, 25 Jul 2018 09:46:26 -0000 Race condition can appear in the bond_mode_8023ad_periodic_cb() callback when bonding port is stopped, reconfigured and restarted. Re-ordered calls in bond_ethdev_start() to have callback alarm set after slave ports are reconfigured. Fixes: 2efb58cbab6e ("bond: new link bonding library") Cc: stable@dpdk.org Signed-off-by: Radu Nicolau --- v2: reworked patch drivers/net/bonding/rte_eth_bond_pmd.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c index fc4d4fd..70ec728 100644 --- a/drivers/net/bonding/rte_eth_bond_pmd.c +++ b/drivers/net/bonding/rte_eth_bond_pmd.c @@ -2113,10 +2113,6 @@ bond_ethdev_start(struct rte_eth_dev *eth_dev) } } - /* Update all slave devices MACs*/ - if (mac_address_slaves_update(eth_dev) != 0) - goto out_err; - /* If bonded device is configure in promiscuous mode then re-apply config */ if (internals->promiscuous_en) bond_ethdev_promiscuous_enable(eth_dev); @@ -2157,6 +2153,10 @@ bond_ethdev_start(struct rte_eth_dev *eth_dev) (void *)&rte_eth_devices[internals->port_id]); } + /* Update all slave devices MACs*/ + if (mac_address_slaves_update(eth_dev) != 0) + goto out_err; + if (internals->user_defined_primary_port) bond_ethdev_primary_set(internals, internals->primary_port); -- 2.7.5