From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 859B9A034C for ; Fri, 30 Sep 2022 09:24:06 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6ED464281C; Fri, 30 Sep 2022 09:24:06 +0200 (CEST) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id 3891140FAE; Fri, 30 Sep 2022 09:24:03 +0200 (CEST) Received: from kwepemi500017.china.huawei.com (unknown [172.30.72.57]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Mf1np1mpTzlX54; Fri, 30 Sep 2022 15:19:42 +0800 (CST) Received: from localhost.localdomain (10.28.79.22) by kwepemi500017.china.huawei.com (7.221.188.110) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 30 Sep 2022 15:24:00 +0800 From: Dongdong Liu To: , , , CC: , , , , , Subject: [PATCH 02/19] net/hns3: fix RSS filter restore Date: Fri, 30 Sep 2022 15:22:03 +0800 Message-ID: <20220930072220.20753-3-liudongdong3@huawei.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20220930072220.20753-1-liudongdong3@huawei.com> References: <20220930072220.20753-1-liudongdong3@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.28.79.22] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemi500017.china.huawei.com (7.221.188.110) X-CFilter-Loop: Reflected X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 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 From: Huisong Li Currently, driver sets RSS function to 'RTE_ETH_HASH_FUNCTION_MAX' when user flush all rules in order to judge whether driver needs to restore RSS rules. In fact, all rules are saved in flow RSS list. So there is no need to modify RSS function to this macro. And this list can be used to restore. The modification of RSS function may introduce new problem. So this patch fix it. Fixes: eb158fc756a5 ("net/hns3: fix config when creating RSS rule after flush") Cc: stable@dpdk.org Signed-off-by: Huisong Li Signed-off-by: Dongdong Liu --- drivers/net/hns3/hns3_flow.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/drivers/net/hns3/hns3_flow.c b/drivers/net/hns3/hns3_flow.c index 4952d807b8..2fb83f756a 100644 --- a/drivers/net/hns3/hns3_flow.c +++ b/drivers/net/hns3/hns3_flow.c @@ -1587,8 +1587,6 @@ hns3_config_rss_filter(struct rte_eth_dev *dev, rss_info->conf.queue_num = 0; } - /* set RSS func invalid after flushed */ - rss_info->conf.func = RTE_ETH_HASH_FUNCTION_MAX; return 0; } @@ -1659,13 +1657,23 @@ int hns3_restore_rss_filter(struct rte_eth_dev *dev) { struct hns3_adapter *hns = dev->data->dev_private; + struct hns3_rss_conf_ele *filter; struct hns3_hw *hw = &hns->hw; + int ret = 0; - /* When user flush all rules, it doesn't need to restore RSS rule */ - if (hw->rss_info.conf.func == RTE_ETH_HASH_FUNCTION_MAX) - return 0; + TAILQ_FOREACH(filter, &hw->flow_rss_list, entries) { + if (!filter->filter_info.valid) + continue; - return hns3_config_rss_filter(dev, &hw->rss_info, true); + ret = hns3_config_rss_filter(dev, &filter->filter_info, true); + if (ret != 0) { + hns3_err(hw, "restore RSS filter failed, ret=%d", ret); + goto out; + } + } + +out: + return ret; } static int -- 2.22.0