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 D35D2A0554; Sat, 27 Aug 2022 02:35:58 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1D89042B73; Sat, 27 Aug 2022 02:35:28 +0200 (CEST) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 401CE410E8 for ; Sat, 27 Aug 2022 02:35:24 +0200 (CEST) Received: by linux.microsoft.com (Postfix, from userid 1004) id 79BF9236D9A2; Fri, 26 Aug 2022 17:35:23 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 79BF9236D9A2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxonhyperv.com; s=default; t=1661560523; bh=xCouTA4st8KmUJdIC3sEQgp+uGxSCt+ujLEIKcEJGfg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pNseQUHABFUziPHaEu6rDSCDDMUy7F7/+RGm65/HSDnDh+DiePkoN7PShtrjZbxJ1 s/ww/Ky2p+aYg5ReeWb196+H186vJgP7egX/0kAZ4WDXVPmDOU39mdTUnzyh6K3/e6 S5oZa9fZLgOe3+KIRlZabxfHu3fQUvBZjU5plZwI= From: longli@linuxonhyperv.com To: Ferruh Yigit Cc: dev@dpdk.org, Ajay Sharma , Stephen Hemminger , Long Li Subject: [Patch v5 07/18] net/mana: add function to configure RSS Date: Fri, 26 Aug 2022 17:34:58 -0700 Message-Id: <1661560509-11009-8-git-send-email-longli@linuxonhyperv.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1661560509-11009-1-git-send-email-longli@linuxonhyperv.com> References: <1661560509-11009-1-git-send-email-longli@linuxonhyperv.com> 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 From: Long Li Currently this PMD supports RSS configuration when the device is stopped. Configuring RSS in running state will be supported in the future. Signed-off-by: Long Li --- doc/guides/nics/features/mana.ini | 1 + drivers/net/mana/mana.c | 61 +++++++++++++++++++++++++++++++ drivers/net/mana/mana.h | 1 + 3 files changed, 63 insertions(+) diff --git a/doc/guides/nics/features/mana.ini b/doc/guides/nics/features/mana.ini index 566b3e8770..a59c21cc10 100644 --- a/doc/guides/nics/features/mana.ini +++ b/doc/guides/nics/features/mana.ini @@ -8,6 +8,7 @@ Link status = P Linux = Y Multiprocess aware = Y Removal event = Y +RSS hash = Y Speed capabilities = P Usage doc = Y x86-64 = Y diff --git a/drivers/net/mana/mana.c b/drivers/net/mana/mana.c index e1550b3c08..cb136f24c1 100644 --- a/drivers/net/mana/mana.c +++ b/drivers/net/mana/mana.c @@ -211,6 +211,65 @@ static const uint32_t *mana_supported_ptypes(struct rte_eth_dev *dev __rte_unuse return ptypes; } +static int mana_rss_hash_update(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct mana_priv *priv = dev->data->dev_private; + + /* Currently can only update RSS hash when device is stopped */ + if (dev->data->dev_started) { + DRV_LOG(ERR, "Can't update RSS after device has started"); + return -ENODEV; + } + + if (rss_conf->rss_hf & ~BNIC_ETH_RSS_SUPPORT) { + DRV_LOG(ERR, "Port %u invalid RSS HF 0x%" PRIx64, + dev->data->port_id, rss_conf->rss_hf); + return -EINVAL; + } + + if (rss_conf->rss_key && rss_conf->rss_key_len) { + if (rss_conf->rss_key_len != TOEPLITZ_HASH_KEY_SIZE_IN_BYTES) { + DRV_LOG(ERR, "Port %u key len must be %u long", + dev->data->port_id, + TOEPLITZ_HASH_KEY_SIZE_IN_BYTES); + return -EINVAL; + } + + priv->rss_conf.rss_key_len = rss_conf->rss_key_len; + priv->rss_conf.rss_key = + rte_zmalloc("mana_rss", rss_conf->rss_key_len, + RTE_CACHE_LINE_SIZE); + if (!priv->rss_conf.rss_key) + return -ENOMEM; + memcpy(priv->rss_conf.rss_key, rss_conf->rss_key, + rss_conf->rss_key_len); + } + priv->rss_conf.rss_hf = rss_conf->rss_hf; + + return 0; +} + +static int mana_rss_hash_conf_get(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct mana_priv *priv = dev->data->dev_private; + + if (!rss_conf) + return -EINVAL; + + if (rss_conf->rss_key && + rss_conf->rss_key_len >= priv->rss_conf.rss_key_len) { + memcpy(rss_conf->rss_key, priv->rss_conf.rss_key, + priv->rss_conf.rss_key_len); + } + + rss_conf->rss_key_len = priv->rss_conf.rss_key_len; + rss_conf->rss_hf = priv->rss_conf.rss_hf; + + return 0; +} + static int mana_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete __rte_unused) { @@ -232,6 +291,8 @@ const struct eth_dev_ops mana_dev_ops = { .dev_close = mana_dev_close, .dev_infos_get = mana_dev_info_get, .dev_supported_ptypes_get = mana_supported_ptypes, + .rss_hash_update = mana_rss_hash_update, + .rss_hash_conf_get = mana_rss_hash_conf_get, .link_update = mana_dev_link_update, }; diff --git a/drivers/net/mana/mana.h b/drivers/net/mana/mana.h index f97eed2e81..33f68b3d1b 100644 --- a/drivers/net/mana/mana.h +++ b/drivers/net/mana/mana.h @@ -72,6 +72,7 @@ struct mana_priv { uint8_t ind_table_key[40]; struct ibv_qp *rwq_qp; void *db_page; + struct rte_eth_rss_conf rss_conf; struct rte_intr_handle *intr_handle; int max_rx_queues; int max_tx_queues; -- 2.34.1