From patchwork Wed Dec 4 16:38:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Power, Ciara" X-Patchwork-Id: 63574 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id E0F8DA04B5; Wed, 4 Dec 2019 17:40:38 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B844A1BF71; Wed, 4 Dec 2019 17:40:37 +0100 (CET) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id 7829E1BE80; Wed, 4 Dec 2019 17:40:35 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Dec 2019 08:40:34 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,277,1571727600"; d="scan'208";a="411316902" Received: from silpixa00399953.ir.intel.com (HELO silpixa00399953.ger.corp.intel.com) ([10.237.222.53]) by fmsmga005.fm.intel.com with ESMTP; 04 Dec 2019 08:40:32 -0800 From: Ciara Power To: wenzhuo.lu@intel.com, jingjing.wu@intel.com, bernard.iremonger@intel.com Cc: dev@dpdk.org, Ciara Power , ivan.boule@6wind.com, stable@dpdk.org Date: Wed, 4 Dec 2019 16:38:15 +0000 Message-Id: <20191204163815.44495-1-ciara.power@intel.com> X-Mailer: git-send-email 2.17.1 Subject: [dpdk-dev] [PATCH] app/testpmd: fix device mcast list error handling 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The multicast set list function now has a return value, which is checked by the calling functions. A rollback occurs on detection of failure, to realign local config with the device config. The error print statement in the function had included the port_id and mc_addr_nb values in the wrong order, these are now swapped. Fixes: 8fff667578a7 ("app/testpmd: new command to add/remove multicast MAC addresses") Cc: ivan.boule@6wind.com Cc: stable@dpdk.org Signed-off-by: Ciara Power Reviewed-by: Ferruh Yigit --- app/test-pmd/config.c | 31 +++++++++++++++++++++---------- 1 file changed, 21 insertions(+), 10 deletions(-) diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c index d59968278..8c8621779 100644 --- a/app/test-pmd/config.c +++ b/app/test-pmd/config.c @@ -3707,6 +3707,14 @@ mcast_addr_pool_extend(struct rte_port *port) } +static void +mcast_addr_pool_append(struct rte_port *port, struct rte_ether_addr *mc_addr) +{ + if (mcast_addr_pool_extend(port) != 0) + return; + rte_ether_addr_copy(mc_addr, &port->mc_addr_pool[port->mc_addr_nb - 1]); +} + static void mcast_addr_pool_remove(struct rte_port *port, uint32_t addr_idx) { @@ -3725,7 +3733,7 @@ mcast_addr_pool_remove(struct rte_port *port, uint32_t addr_idx) sizeof(struct rte_ether_addr) * (port->mc_addr_nb - addr_idx)); } -static void +static int eth_port_multicast_addr_list_set(portid_t port_id) { struct rte_port *port; @@ -3734,10 +3742,11 @@ eth_port_multicast_addr_list_set(portid_t port_id) port = &ports[port_id]; diag = rte_eth_dev_set_mc_addr_list(port_id, port->mc_addr_pool, port->mc_addr_nb); - if (diag == 0) - return; - printf("rte_eth_dev_set_mc_addr_list(port=%d, nb=%u) failed. diag=%d\n", - port->mc_addr_nb, port_id, -diag); + if (diag < 0) + printf("rte_eth_dev_set_mc_addr_list(port=%d, nb=%u) failed. diag=%d\n", + port_id, port->mc_addr_nb, diag); + + return diag; } void @@ -3762,10 +3771,10 @@ mcast_addr_add(portid_t port_id, struct rte_ether_addr *mc_addr) } } - if (mcast_addr_pool_extend(port) != 0) - return; - rte_ether_addr_copy(mc_addr, &port->mc_addr_pool[i]); - eth_port_multicast_addr_list_set(port_id); + mcast_addr_pool_append(port, mc_addr); + if (eth_port_multicast_addr_list_set(port_id) < 0) + /* Rollback on failure, remove the address from the pool */ + mcast_addr_pool_remove(port, i); } void @@ -3792,7 +3801,9 @@ mcast_addr_remove(portid_t port_id, struct rte_ether_addr *mc_addr) } mcast_addr_pool_remove(port, i); - eth_port_multicast_addr_list_set(port_id); + if (eth_port_multicast_addr_list_set(port_id) < 0) + /* Rollback on failure, add the address back into the pool */ + mcast_addr_pool_append(port, mc_addr); } void