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 ECC40A00C5; Thu, 30 Dec 2021 07:11:38 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 183B9426F2; Thu, 30 Dec 2021 07:10:01 +0100 (CET) Received: from VLXDG1SPAM1.ramaxel.com (email.ramaxel.com [221.4.138.186]) by mails.dpdk.org (Postfix) with ESMTP id 3EC9741153 for ; Thu, 30 Dec 2021 07:09:58 +0100 (CET) Received: from V12DG1MBS01.ramaxel.local (v12dg1mbs01.ramaxel.local [172.26.18.31]) by VLXDG1SPAM1.ramaxel.com with ESMTPS id 1BU69DWh040086 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 30 Dec 2021 14:09:15 +0800 (GMT-8) (envelope-from songyl@ramaxel.com) Received: from localhost.localdomain (10.64.9.47) by V12DG1MBS01.ramaxel.local (172.26.18.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Thu, 30 Dec 2021 14:09:13 +0800 From: Yanling Song To: CC: , , , , , , Subject: [PATCH v6 17/26] net/spnic: support RSS configuration update and get Date: Thu, 30 Dec 2021 14:08:55 +0800 Message-ID: <1065065361175ff09867cdeaf6be2c375d3507aa.1640838702.git.songyl@ramaxel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.64.9.47] X-ClientProxiedBy: V12DG1MBS03.ramaxel.local (172.26.18.33) To V12DG1MBS01.ramaxel.local (172.26.18.31) X-DNSRBL: X-MAIL: VLXDG1SPAM1.ramaxel.com 1BU69DWh040086 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org This commit implements rss_hash_update and rss_hash_conf_get. Signed-off-by: Yanling Song --- drivers/net/spnic/spnic_ethdev.c | 235 +++++++++++++++++++++++++++++++ 1 file changed, 235 insertions(+) diff --git a/drivers/net/spnic/spnic_ethdev.c b/drivers/net/spnic/spnic_ethdev.c index 531a094445..b0903b65fb 100644 --- a/drivers/net/spnic/spnic_ethdev.c +++ b/drivers/net/spnic/spnic_ethdev.c @@ -1258,6 +1258,233 @@ static int spnic_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) return err; } + +/** + * Update the RSS hash key and RSS hash type. + * + * @param[in] dev + * Pointer to ethernet device structure. + * @param[in] rss_conf + * RSS configuration data. + * + * @retval zero: Success + * @retval non-zero: Failure + */ +static int spnic_rss_hash_update(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct spnic_nic_dev *nic_dev = SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev); + struct spnic_rss_type rss_type = {0}; + u64 rss_hf = rss_conf->rss_hf; + int err = 0; + + if (nic_dev->rss_state == SPNIC_RSS_DISABLE) { + if (rss_hf != 0) + return -EINVAL; + + PMD_DRV_LOG(INFO, "RSS is not enabled"); + return 0; + } + + if (rss_conf->rss_key_len > SPNIC_RSS_KEY_SIZE) { + PMD_DRV_LOG(ERR, "Invalid RSS key, rss_key_len: %d", + rss_conf->rss_key_len); + return -EINVAL; + } + + if (rss_conf->rss_key) { + err = spnic_rss_set_hash_key(nic_dev->hwdev, nic_dev->rss_key); + if (err) { + PMD_DRV_LOG(ERR, "Set RSS hash key failed"); + return err; + } + memcpy(nic_dev->rss_key, rss_conf->rss_key, + rss_conf->rss_key_len); + } + + rss_type.ipv4 = (rss_hf & (ETH_RSS_IPV4 | ETH_RSS_FRAG_IPV4 | + ETH_RSS_NONFRAG_IPV4_OTHER)) ? 1 : 0; + rss_type.tcp_ipv4 = (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) ? 1 : 0; + rss_type.ipv6 = (rss_hf & (ETH_RSS_IPV6 | ETH_RSS_FRAG_IPV6 | + ETH_RSS_NONFRAG_IPV6_OTHER)) ? 1 : 0; + rss_type.ipv6_ext = (rss_hf & ETH_RSS_IPV6_EX) ? 1 : 0; + rss_type.tcp_ipv6 = (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) ? 1 : 0; + rss_type.tcp_ipv6_ext = (rss_hf & ETH_RSS_IPV6_TCP_EX) ? 1 : 0; + rss_type.udp_ipv4 = (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) ? 1 : 0; + rss_type.udp_ipv6 = (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) ? 1 : 0; + + err = spnic_set_rss_type(nic_dev->hwdev, rss_type); + if (err) + PMD_DRV_LOG(ERR, "Set RSS type failed"); + + return err; +} + +/** + * Get the RSS hash configuration. + * + * @param[in] dev + * Pointer to ethernet device structure. + * @param[out] rss_conf + * RSS configuration data. + * + * @retval zero: Success + * @retval non-zero: Failure + */ +static int spnic_rss_conf_get(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct spnic_nic_dev *nic_dev = SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev); + struct spnic_rss_type rss_type = {0}; + int err; + + if (!rss_conf) + return -EINVAL; + + if (nic_dev->rss_state == SPNIC_RSS_DISABLE) { + rss_conf->rss_hf = 0; + PMD_DRV_LOG(INFO, "RSS is not enabled"); + return 0; + } + + if (rss_conf->rss_key && + rss_conf->rss_key_len >= SPNIC_RSS_KEY_SIZE) { + /* + * Get RSS key from driver to reduce the frequency of the MPU + * accessing the RSS memory. + */ + rss_conf->rss_key_len = sizeof(nic_dev->rss_key); + memcpy(rss_conf->rss_key, nic_dev->rss_key, + rss_conf->rss_key_len); + } + + err = spnic_get_rss_type(nic_dev->hwdev, &rss_type); + if (err) + return err; + + rss_conf->rss_hf = 0; + rss_conf->rss_hf |= rss_type.ipv4 ? (ETH_RSS_IPV4 | + ETH_RSS_FRAG_IPV4 | ETH_RSS_NONFRAG_IPV4_OTHER) : 0; + rss_conf->rss_hf |= rss_type.tcp_ipv4 ? ETH_RSS_NONFRAG_IPV4_TCP : 0; + rss_conf->rss_hf |= rss_type.ipv6 ? (ETH_RSS_IPV6 | + ETH_RSS_FRAG_IPV6 | ETH_RSS_NONFRAG_IPV6_OTHER) : 0; + rss_conf->rss_hf |= rss_type.ipv6_ext ? ETH_RSS_IPV6_EX : 0; + rss_conf->rss_hf |= rss_type.tcp_ipv6 ? ETH_RSS_NONFRAG_IPV6_TCP : 0; + rss_conf->rss_hf |= rss_type.tcp_ipv6_ext ? ETH_RSS_IPV6_TCP_EX : 0; + rss_conf->rss_hf |= rss_type.udp_ipv4 ? ETH_RSS_NONFRAG_IPV4_UDP : 0; + rss_conf->rss_hf |= rss_type.udp_ipv6 ? ETH_RSS_NONFRAG_IPV6_UDP : 0; + + return 0; +} + +/** + * Get the RETA indirection table. + * + * @param[in] dev + * Pointer to ethernet device structure. + * @param[out] reta_conf + * Pointer to RETA configuration structure array. + * @param[in] reta_size + * Size of the RETA table. + * + * @retval zero: Success + * @retval non-zero: Failure + */ +static int spnic_rss_reta_query(struct rte_eth_dev *dev, + struct rte_eth_rss_reta_entry64 *reta_conf, + uint16_t reta_size) +{ + struct spnic_nic_dev *nic_dev = SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev); + u32 indirtbl[SPNIC_RSS_INDIR_SIZE] = {0}; + u16 idx, shift; + u16 i; + int err; + + if (nic_dev->rss_state == SPNIC_RSS_DISABLE) { + PMD_DRV_LOG(INFO, "RSS is not enabled"); + return 0; + } + + if (reta_size != SPNIC_RSS_INDIR_SIZE) { + PMD_DRV_LOG(ERR, "Invalid reta size, reta_size: %d", reta_size); + return -EINVAL; + } + + err = spnic_rss_get_indir_tbl(nic_dev->hwdev, indirtbl); + if (err) { + PMD_DRV_LOG(ERR, "Get RSS retas table failed, error: %d", + err); + return err; + } + + for (i = 0; i < reta_size; i++) { + idx = i / RTE_RETA_GROUP_SIZE; + shift = i % RTE_RETA_GROUP_SIZE; + if (reta_conf[idx].mask & (1ULL << shift)) + reta_conf[idx].reta[shift] = (uint16_t)indirtbl[i]; + } + + return 0; +} + +/** + * Update the RETA indirection table. + * + * @param[in] dev + * Pointer to ethernet device structure. + * @param[in] reta_conf + * Pointer to RETA configuration structure array. + * @param[in] reta_size + * Size of the RETA table. + * + * @retval zero: Success + * @retval non-zero: Failure + */ +static int spnic_rss_reta_update(struct rte_eth_dev *dev, + struct rte_eth_rss_reta_entry64 *reta_conf, + uint16_t reta_size) +{ + struct spnic_nic_dev *nic_dev = SPNIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev); + u32 indirtbl[SPNIC_RSS_INDIR_SIZE] = {0}; + u16 idx, shift; + u16 i; + int err; + + if (nic_dev->rss_state == SPNIC_RSS_DISABLE) + return 0; + + if (reta_size != SPNIC_RSS_INDIR_SIZE) { + PMD_DRV_LOG(ERR, "Invalid reta size, reta_size: %d", reta_size); + return -EINVAL; + } + + err = spnic_rss_get_indir_tbl(nic_dev->hwdev, indirtbl); + if (err) + return err; + + /* Update RSS reta table */ + for (i = 0; i < reta_size; i++) { + idx = i / RTE_RETA_GROUP_SIZE; + shift = i % RTE_RETA_GROUP_SIZE; + if (reta_conf[idx].mask & (1ULL << shift)) + indirtbl[i] = reta_conf[idx].reta[shift]; + } + + for (i = 0 ; i < reta_size; i++) { + if (indirtbl[i] >= nic_dev->num_rqs) { + PMD_DRV_LOG(ERR, "Invalid reta entry, index: %d, num_rqs: %d", + indirtbl[i], nic_dev->num_rqs); + return -EFAULT; + } + } + + err = spnic_rss_set_indir_tbl(nic_dev->hwdev, indirtbl); + if (err) + PMD_DRV_LOG(ERR, "Set RSS reta table failed"); + + return err; +} + /** * Update MAC address * @@ -1465,6 +1692,10 @@ static const struct eth_dev_ops spnic_pmd_ops = { .dev_stop = spnic_dev_stop, .dev_close = spnic_dev_close, .mtu_set = spnic_dev_set_mtu, + .rss_hash_update = spnic_rss_hash_update, + .rss_hash_conf_get = spnic_rss_conf_get, + .reta_update = spnic_rss_reta_update, + .reta_query = spnic_rss_reta_query, .mac_addr_set = spnic_set_mac_addr, .mac_addr_remove = spnic_mac_addr_remove, .mac_addr_add = spnic_mac_addr_add, @@ -1484,6 +1715,10 @@ static const struct eth_dev_ops spnic_pmd_vf_ops = { .dev_stop = spnic_dev_stop, .dev_close = spnic_dev_close, .mtu_set = spnic_dev_set_mtu, + .rss_hash_update = spnic_rss_hash_update, + .rss_hash_conf_get = spnic_rss_conf_get, + .reta_update = spnic_rss_reta_update, + .reta_query = spnic_rss_reta_query, .mac_addr_set = spnic_set_mac_addr, .mac_addr_remove = spnic_mac_addr_remove, .mac_addr_add = spnic_mac_addr_add, -- 2.32.0