From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id E5C48A0527 for ; Fri, 10 Jul 2020 05:29:47 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id C93AF1DD86; Fri, 10 Jul 2020 05:29:47 +0200 (CEST) Received: from huawei.com (szxga06-in.huawei.com [45.249.212.32]) by dpdk.org (Postfix) with ESMTP id 65F5F1DC3E; Fri, 10 Jul 2020 05:29:45 +0200 (CEST) Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 5EC0A60F5F9B77516CD7; Fri, 10 Jul 2020 11:29:44 +0800 (CST) Received: from localhost (10.174.186.46) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Fri, 10 Jul 2020 11:29:38 +0800 From: luyicai To: CC: , , , , , , , Yicai Lu , Date: Fri, 10 Jul 2020 11:29:35 +0800 Message-ID: <1594351775-30864-1-git-send-email-luyicai@huawei.com> X-Mailer: git-send-email 1.9.5.msysgit.1 In-Reply-To: <1589887092-26360-1> References: <1589887092-26360-1> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.174.186.46] X-CFilter-Loop: Reflected Subject: [dpdk-stable] [PATCH V2] net/bonding: fix lacp negotiation failed 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: , Errors-To: stable-bounces@dpdk.org Sender: "stable" From: Yicai Lu When two host is connected directly without any devices like switch, rx_machine_update would recieving partner lacp negotiation packets, and partner's port mac is filled with zeros in this packet, which is different with internal's mode4 mac. So in this situation, it would never go rx_machine branch and then execute mac swap for negotiation! Thus bond mode 4 will negotiation failed. Fixes: 56cbc0817399 ("net/bonding: fix LACP negotiation") Cc: stable@dpdk.org Signed-off-by: luyicai --- v1 -> v2: Adjust commit info style --- drivers/net/bonding/rte_eth_bond_8023ad.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/bonding/rte_eth_bond_8023ad.c b/drivers/net/bonding/rte_eth_bond_8023ad.c index b77a37d..2002ec0 100644 --- a/drivers/net/bonding/rte_eth_bond_8023ad.c +++ b/drivers/net/bonding/rte_eth_bond_8023ad.c @@ -798,7 +798,8 @@ RTE_ASSERT(lacp->lacpdu.subtype == SLOW_SUBTYPE_LACP); partner = &lacp->lacpdu.partner; - if (rte_is_same_ether_addr(&partner->port_params.system, + if (rte_is_zero_ether_addr(&partner->port_params.system) || + rte_is_same_ether_addr(&partner->port_params.system, &internals->mode4.mac_addr)) { /* This LACP frame is sending to the bonding port * so pass it to rx_machine. -- 1.9.5.msysgit.1