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Mon, 20 Jan 2025 02:12:12 -0800 To: , Roi Dayan CC: Maor Dickman , Eli Britstein Date: Mon, 20 Jan 2025 12:12:09 +0200 Message-ID: <20250120101210.1216196-1-roid@nvidia.com> X-Mailer: git-send-email 2.18.2 MIME-Version: 1.0 X-NV-OnPremToCloud: AnonymousSubmission X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY4PEPF0000E9CF:EE_|CY5PR12MB6453:EE_ X-MS-Office365-Filtering-Correlation-Id: 9ac99d42-fe6f-435e-69ca-08dd393af104 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|1800799024|376014|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge2.nvidia.com; CAT:NONE; SFS:(13230040)(1800799024)(376014)(36860700013)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jan 2025 10:12:26.9869 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9ac99d42-fe6f-435e-69ca-08dd393af104 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.161]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000E9CF.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR12MB6453 Subject: [ovs-dev] [PATCH 1/2] dpdk: Allow configuration of max memory zones. X-BeenThere: ovs-dev@openvswitch.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Roi Dayan via dev From: Roi Dayan Reply-To: Roi Dayan Errors-To: ovs-dev-bounces@openvswitch.org Sender: "dev" From: Eli Britstein ovs-vsctl set o . other_config:dpdk-max-memzones=XXX. This configuration requires restart in order to take effect. Signed-off-by: Eli Britstein Acked-by: Roi Dayan --- NEWS | 2 ++ lib/dpdk.c | 26 ++++++++++++++++++++++++++ vswitchd/vswitch.xml | 12 ++++++++++++ 3 files changed, 40 insertions(+) diff --git a/NEWS b/NEWS index d59692d8b305..e232d35067ed 100644 --- a/NEWS +++ b/NEWS @@ -89,6 +89,8 @@ v3.4.0 - 15 Aug 2024 * Link status changes are now handled via interrupt mode if the DPDK driver supports it. It is possible to revert to polling mode by setting per interface 'options:dpdk-lsc-interrupt' to 'false'. + * New configuration knob 'other_config:dpdk-max-memzones' to set dpdk + max memory zones. - Python: * Added custom transaction support to the Idl via add_op(). * Added support for different output formats like 'json' to Python's diff --git a/lib/dpdk.c b/lib/dpdk.c index b7516257c5e4..de729bedd9da 100644 --- a/lib/dpdk.c +++ b/lib/dpdk.c @@ -310,6 +310,28 @@ malloc_dump_stats_wrapper(FILE *stream) rte_malloc_dump_stats(stream, NULL); } +#ifdef ALLOW_EXPERIMENTAL_API +static void +dpdk_init_max_memzones(const struct smap *ovs_other_config) +{ + uint32_t max_memzones; + int rv; + + max_memzones = smap_get_uint(ovs_other_config, "dpdk-max-memzones", 0); + + if (!max_memzones) { + return; + } + + rv = rte_memzone_max_set(max_memzones); + if (rv) { + VLOG_WARN("Failed to set max memzones to %"PRIu32, max_memzones); + } else { + VLOG_INFO("Setting max memzones to %"PRIu32, max_memzones); + } +} +#endif + static bool dpdk_init__(const struct smap *ovs_other_config) { @@ -342,6 +364,10 @@ dpdk_init__(const struct smap *ovs_other_config) auto_determine = false; } +#ifdef ALLOW_EXPERIMENTAL_API + dpdk_init_max_memzones(ovs_other_config); +#endif + /** * NOTE: This is an unsophisticated mechanism for determining the DPDK * main core. diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml index 275bcbec0b5a..38259e251c9d 100644 --- a/vswitchd/vswitch.xml +++ b/vswitchd/vswitch.xml @@ -425,6 +425,18 @@

+ +

+ Specifies the maximum number of memzones that can be created in + DPDK. +

+

+ The default is empty, keeping DPDK's default. Changing this value + requires restarting the daemon. +

+ +