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 76D444310A for ; Sat, 26 Aug 2023 09:04:29 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 709B840E6E; Sat, 26 Aug 2023 09:04:29 +0200 (CEST) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id E3CC14068E for ; Sat, 26 Aug 2023 09:04:25 +0200 (CEST) Received: from kwepemi500020.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RXnlh3jrBzNn0C; Sat, 26 Aug 2023 15:00:48 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by kwepemi500020.china.huawei.com (7.221.188.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Sat, 26 Aug 2023 15:04:23 +0800 From: Jie Hai To: , , , , Dongdong Liu , Yisen Zhuang CC: , Subject: [PATCH v2 2/5] net/hns3: support setting and querying RSS hash function Date: Sat, 26 Aug 2023 15:00:41 +0800 Message-ID: <20230826070044.64120-3-haijie1@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20230826070044.64120-1-haijie1@huawei.com> References: <20230315110033.30143-1-liudongdong3@huawei.com> <20230826070044.64120-1-haijie1@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemi500020.china.huawei.com (7.221.188.8) 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 Support setting and querying RSS hash function by ethdev ops. Signed-off-by: Huisong Li Signed-off-by: Dongdong Liu --- drivers/net/hns3/hns3_rss.c | 47 +++++++++++++++++++++---------------- 1 file changed, 27 insertions(+), 20 deletions(-) diff --git a/drivers/net/hns3/hns3_rss.c b/drivers/net/hns3/hns3_rss.c index 6126512bd780..c8346d43d15c 100644 --- a/drivers/net/hns3/hns3_rss.c +++ b/drivers/net/hns3/hns3_rss.c @@ -646,14 +646,14 @@ hns3_dev_rss_hash_update(struct rte_eth_dev *dev, if (ret) goto set_tuple_fail; - if (key) { - ret = hns3_rss_set_algo_key(hw, hw->rss_info.hash_algo, - key, hw->rss_key_size); - if (ret) - goto set_algo_key_fail; - /* Update the shadow RSS key with user specified */ + ret = hns3_update_rss_algo_key(hw, rss_conf->func, key, key_len); + if (ret != 0) + goto set_algo_key_fail; + + if (rss_conf->func != RTE_ETH_HASH_FUNCTION_DEFAULT) + hw->rss_info.hash_algo = hns3_hash_func_map[rss_conf->func]; + if (key != NULL) memcpy(hw->rss_info.key, key, hw->rss_key_size); - } hw->rss_info.rss_hf = rss_hf; rte_spinlock_unlock(&hw->lock); @@ -769,7 +769,13 @@ int hns3_dev_rss_hash_conf_get(struct rte_eth_dev *dev, struct rte_eth_rss_conf *rss_conf) { + const uint8_t hash_func_map[] = { + [HNS3_RSS_HASH_ALGO_TOEPLITZ] = RTE_ETH_HASH_FUNCTION_TOEPLITZ, + [HNS3_RSS_HASH_ALGO_SIMPLE] = RTE_ETH_HASH_FUNCTION_SIMPLE_XOR, + [HNS3_RSS_HASH_ALGO_SYMMETRIC_TOEP] = RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ, + }; struct hns3_adapter *hns = dev->data->dev_private; + uint8_t rss_key[HNS3_RSS_KEY_SIZE_MAX] = {0}; struct hns3_hw *hw = &hns->hw; uint8_t hash_algo; int ret; @@ -777,26 +783,27 @@ hns3_dev_rss_hash_conf_get(struct rte_eth_dev *dev, rte_spinlock_lock(&hw->lock); ret = hns3_rss_hash_get_rss_hf(hw, &rss_conf->rss_hf); if (ret != 0) { + rte_spinlock_unlock(&hw->lock); hns3_err(hw, "obtain hash tuples failed, ret = %d", ret); - goto out; + return ret; + } + + ret = hns3_rss_get_algo_key(hw, &hash_algo, rss_key, hw->rss_key_size); + if (ret != 0) { + rte_spinlock_unlock(&hw->lock); + hns3_err(hw, "obtain hash algo and key failed, ret = %d", ret); + return ret; } + rte_spinlock_unlock(&hw->lock); - /* Get the RSS Key required by the user */ + /* Get the RSS Key if user required. */ if (rss_conf->rss_key && rss_conf->rss_key_len >= hw->rss_key_size) { - ret = hns3_rss_get_algo_key(hw, &hash_algo, rss_conf->rss_key, - hw->rss_key_size); - if (ret != 0) { - hns3_err(hw, "obtain hash algo and key failed, ret = %d", - ret); - goto out; - } + memcpy(rss_conf->rss_key, rss_key, hw->rss_key_size); rss_conf->rss_key_len = hw->rss_key_size; } + rss_conf->func = hash_func_map[hash_algo]; -out: - rte_spinlock_unlock(&hw->lock); - - return ret; + return 0; } /* -- 2.33.0