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} +#define ETH_DMA_MZONE_NAME(_name, _port_id, _queue_id, _ring_name) \ + snprintf(_name, sizeof(_name), "eth_p%d_q%d_%s", \ + _port_id, _queue_id, _ring_name) + const struct rte_memzone * rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name, uint16_t queue_id, size_t size, unsigned align, @@ -4190,8 +4194,7 @@ rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name, const struct rte_memzone *mz; int rc; - rc = snprintf(z_name, sizeof(z_name), "eth_p%d_q%d_%s", - dev->data->port_id, queue_id, ring_name); + rc = ETH_DMA_MZONE_NAME(z_name, dev->data->port_id, queue_id, ring_name); if (rc >= RTE_MEMZONE_NAMESIZE) { RTE_ETHDEV_LOG(ERR, "ring name too long\n"); rte_errno = ENAMETOOLONG; @@ -4206,6 +4209,27 @@ rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name, RTE_MEMZONE_IOVA_CONTIG, align); } +int +rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name, + uint16_t queue_id) +{ + char z_name[RTE_MEMZONE_NAMESIZE]; + const struct rte_memzone *mz; + int rc = 0; + + rc = ETH_DMA_MZONE_NAME(z_name, dev->data->port_id, queue_id, ring_name); + if (rc >= RTE_MEMZONE_NAMESIZE) { + RTE_ETHDEV_LOG(ERR, "ring name too long\n"); + return -ENAMETOOLONG; + } + + mz = rte_memzone_lookup(z_name); + if (mz) + rc = rte_memzone_free(mz); + + return rc; +} + int rte_eth_dev_create(struct rte_device *device, const char *name, size_t priv_data_size, diff --git a/lib/librte_ethdev/rte_ethdev_driver.h b/lib/librte_ethdev/rte_ethdev_driver.h index 99d4cd6cd..462e765d1 100644 --- a/lib/librte_ethdev/rte_ethdev_driver.h +++ b/lib/librte_ethdev/rte_ethdev_driver.h @@ -180,6 +180,26 @@ rte_eth_dma_zone_reserve(const struct rte_eth_dev *eth_dev, const char *name, uint16_t queue_id, size_t size, unsigned align, int socket_id); +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice. + * + * Free previously allocated memzone for HW rings. + * + * @param eth_dev + * The *eth_dev* pointer is the address of the *rte_eth_dev* structure + * @param name + * The name of the memory zone + * @param queue_id + * The index of the queue to add to name + * @return + * Negative errno value on error, 0 on success. + */ +__rte_experimental +int +rte_eth_dma_zone_free(const struct rte_eth_dev *dev, const char *ring_name, + uint16_t queue_id); + /** * @internal * Atomically set the link status for the specific device. diff --git a/lib/librte_ethdev/rte_ethdev_version.map b/lib/librte_ethdev/rte_ethdev_version.map index 715505604..139a81302 100644 --- a/lib/librte_ethdev/rte_ethdev_version.map +++ b/lib/librte_ethdev/rte_ethdev_version.map @@ -241,4 +241,5 @@ EXPERIMENTAL { __rte_ethdev_trace_rx_burst; __rte_ethdev_trace_tx_burst; rte_flow_get_aged_flows; + rte_eth_dma_zone_free; }; From patchwork Wed May 13 13:14:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Renata Saiakhova X-Patchwork-Id: 70171 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 73C63A034F; Wed, 13 May 2020 15:15:21 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 287591D5C6; 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Wed, 13 May 2020 13:15:08 +0000 From: Renata Saiakhova To: dev@dpdk.org Cc: Renata Saiakhova Date: Wed, 13 May 2020 15:14:23 +0200 Message-Id: <20200513131425.27817-3-Renata.Saiakhova@ekinops.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20200513131425.27817-1-Renata.Saiakhova@ekinops.com> References: <20200513131425.27817-1-Renata.Saiakhova@ekinops.com> X-ClientProxiedBy: AM0PR06CA0123.eurprd06.prod.outlook.com (2603:10a6:208:ab::28) To MRXP264MB0325.FRAP264.PROD.OUTLOOK.COM (2603:10a6:500:22::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from renataOAB.oneaccess.intra (91.183.184.98) by AM0PR06CA0123.eurprd06.prod.outlook.com (2603:10a6:208:ab::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3000.20 via Frontend Transport; Wed, 13 May 2020 13:15:08 +0000 X-Mailer: git-send-email 2.17.2 X-Originating-IP: [91.183.184.98] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: d969fba7-f69d-4910-a8f4-08d7f73fa901 X-MS-TrafficTypeDiagnostic: MRXP264MB0359: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:843; 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i < dev->data->nb_rx_queues; i++) { eth_igb_rx_queue_release(dev->data->rx_queues[i]); dev->data->rx_queues[i] = NULL; + rte_eth_dma_zone_free(dev, "rx_ring", i); } dev->data->nb_rx_queues = 0; for (i = 0; i < dev->data->nb_tx_queues; i++) { eth_igb_tx_queue_release(dev->data->tx_queues[i]); dev->data->tx_queues[i] = NULL; + rte_eth_dma_zone_free(dev, "tx_ring", i); } dev->data->nb_tx_queues = 0; } diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c index 2e20e18c7..977ecf513 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.c +++ b/drivers/net/ixgbe/ixgbe_rxtx.c @@ -3368,12 +3368,14 @@ ixgbe_dev_free_queues(struct rte_eth_dev *dev) for (i = 0; i < dev->data->nb_rx_queues; i++) { ixgbe_dev_rx_queue_release(dev->data->rx_queues[i]); dev->data->rx_queues[i] = NULL; + rte_eth_dma_zone_free(dev, "rx_ring", i); } dev->data->nb_rx_queues = 0; for (i = 0; i < dev->data->nb_tx_queues; i++) { ixgbe_dev_tx_queue_release(dev->data->tx_queues[i]); dev->data->tx_queues[i] = NULL; + rte_eth_dma_zone_free(dev, "tx_ring", i); } dev->data->nb_tx_queues = 0; } From patchwork Wed May 13 13:14:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Renata Saiakhova X-Patchwork-Id: 70172 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1EAF5A034F; Wed, 13 May 2020 15:15:35 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id DE5681D5D7; Wed, 13 May 2020 15:15:12 +0200 (CEST) Received: from FRA01-MR2-obe.outbound.protection.outlook.com (mail-eopbgr90117.outbound.protection.outlook.com [40.107.9.117]) by dpdk.org (Postfix) with ESMTP id 955731D5C9 for ; Wed, 13 May 2020 15:15:11 +0200 (CEST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=oE3TvWA6cOm/8gL7UMw/uIhdPkbcrbxSt9sUXlawc1Pxq+aLXH9NSQyzQ55SX9YnruB5M3CECRZhTytNTHzlvoC6Mn4nh7nkWkJI/bOh5xk0vNgOwQ/AWtWrvOCYqsnCHmzxqH1GUuBQRtGYTtewOV4RwQ6hYK22IBfdZohuygICFHOwUzG8VPPbcT1m8gcZ0B5j7jMqDEf5Xr1GzPKqJzzmIzVCz6ZdnhGtcBdhQvunKzWNlFn3rxaCc6ma+MbzB15zNXg+q1ykZ1mSylUNy1iud5TGQF6avafEgOozZC/qyIe3hAJJq1pXWcZnTxLuDNZfmN5Qm43G0W7G5a+JYQ== ARC-Message-Signature: i=1; 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i40e_dev_rx_queue_release(dev->data->rx_queues[i]); dev->data->rx_queues[i] = NULL; + rte_eth_dma_zone_free(dev, "rx_ring", i); } for (i = 0; i < dev->data->nb_tx_queues; i++) { @@ -2907,6 +2908,7 @@ i40e_dev_free_queues(struct rte_eth_dev *dev) continue; i40e_dev_tx_queue_release(dev->data->tx_queues[i]); dev->data->tx_queues[i] = NULL; + rte_eth_dma_zone_free(dev, "tx_ring", i); } } From patchwork Wed May 13 13:14:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Renata Saiakhova X-Patchwork-Id: 70173 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 670D5A034F; Wed, 13 May 2020 15:15:48 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 185701D5D0; Wed, 13 May 2020 15:15:15 +0200 (CEST) Received: from FRA01-MR2-obe.outbound.protection.outlook.com (mail-eopbgr90109.outbound.protection.outlook.com [40.107.9.109]) by dpdk.org (Postfix) with ESMTP id 6C1951D5CE for ; 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Wed, 13 May 2020 13:15:11 +0000 From: Renata Saiakhova To: dev@dpdk.org Cc: Renata Saiakhova Date: Wed, 13 May 2020 15:14:25 +0200 Message-Id: <20200513131425.27817-5-Renata.Saiakhova@ekinops.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20200513131425.27817-1-Renata.Saiakhova@ekinops.com> References: <20200513131425.27817-1-Renata.Saiakhova@ekinops.com> X-ClientProxiedBy: AM0PR06CA0123.eurprd06.prod.outlook.com (2603:10a6:208:ab::28) To MRXP264MB0325.FRAP264.PROD.OUTLOOK.COM (2603:10a6:500:22::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from renataOAB.oneaccess.intra (91.183.184.98) by AM0PR06CA0123.eurprd06.prod.outlook.com (2603:10a6:208:ab::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3000.20 via Frontend Transport; Wed, 13 May 2020 13:15:11 +0000 X-Mailer: git-send-email 2.17.2 X-Originating-IP: [91.183.184.98] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b31065ee-7ff3-4878-2ce5-08d7f73faad2 X-MS-TrafficTypeDiagnostic: MRXP264MB0038: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:843; 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DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: ekinops.com X-MS-Exchange-CrossTenant-Network-Message-Id: b31065ee-7ff3-4878-2ce5-08d7f73faad2 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 May 2020 13:15:11.8304 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f57b78a6-c654-4771-a72f-837275f46179 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 9oMS579pL0gP3bMu1MrCymVrCLwD8YGe4eoRBJy6mbIDwfoZJqqivdIsSzVUWxjsCdpalAAD5RBqa/jTRcaGCruOpwyDnk2hbeh2x4V1V6o= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MRXP264MB0038 Subject: [dpdk-dev] [PATCH v3 4/4] drivers/net: Fix in em and ice HW rings memory overlap X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Delete memzones for HW rings in em and ice while freeing queues Signed-off-by: Renata Saiakhova --- drivers/net/e1000/em_rxtx.c | 2 ++ drivers/net/ice/ice_rxtx.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/net/e1000/em_rxtx.c b/drivers/net/e1000/em_rxtx.c index 49c53712a..67a271e8c 100644 --- a/drivers/net/e1000/em_rxtx.c +++ b/drivers/net/e1000/em_rxtx.c @@ -1611,12 +1611,14 @@ em_dev_free_queues(struct rte_eth_dev *dev) for (i = 0; i < dev->data->nb_rx_queues; i++) { eth_em_rx_queue_release(dev->data->rx_queues[i]); dev->data->rx_queues[i] = NULL; + rte_eth_dma_zone_free(dev, "rx_ring", i); } dev->data->nb_rx_queues = 0; for (i = 0; i < dev->data->nb_tx_queues; i++) { eth_em_tx_queue_release(dev->data->tx_queues[i]); dev->data->tx_queues[i] = NULL; + rte_eth_dma_zone_free(dev, "tx_ring", i); } dev->data->nb_tx_queues = 0; } diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c index 1c9f31efd..7c2dad9d6 100644 --- a/drivers/net/ice/ice_rxtx.c +++ b/drivers/net/ice/ice_rxtx.c @@ -1905,6 +1905,7 @@ ice_free_queues(struct rte_eth_dev *dev) continue; ice_rx_queue_release(dev->data->rx_queues[i]); dev->data->rx_queues[i] = NULL; + rte_eth_dma_zone_free(dev, "rx_ring", i); } dev->data->nb_rx_queues = 0; @@ -1913,6 +1914,7 @@ ice_free_queues(struct rte_eth_dev *dev) continue; ice_tx_queue_release(dev->data->tx_queues[i]); dev->data->tx_queues[i] = NULL; + rte_eth_dma_zone_free(dev, "tx_ring", i); } dev->data->nb_tx_queues = 0; }