Reference the common guide for generic setup. Remove excessive capabilities from the recommended list.
Cc: sta...@dpdk.org Signed-off-by: Dmitry Kozlyuk <dkozl...@nvidia.com> --- doc/guides/platform/mlx5.rst | 31 ++++++++++++++++++------------- 1 file changed, 18 insertions(+), 13 deletions(-) diff --git a/doc/guides/platform/mlx5.rst b/doc/guides/platform/mlx5.rst index 64a4c5e76e..18d38f3488 100644 --- a/doc/guides/platform/mlx5.rst +++ b/doc/guides/platform/mlx5.rst @@ -404,25 +404,30 @@ The device can be bound again at this point. Run as Non-Root ^^^^^^^^^^^^^^^ -In order to run as a non-root user, -some capabilities must be granted to the application:: +Hugepage and resource limit setup are documented +in the :ref:`common Linux guide <Running_Without_Root_Privileges>`. +This PMD can operate without access to physical addresses, +therefore it does not require ``SYS_ADMIN`` to access ``/proc/self/pagemaps``. +Note that this requirement may still come from other drivers. - setcap cap_sys_admin,cap_net_admin,cap_net_raw,cap_ipc_lock+ep <dpdk-app> +Below are additional capabilities that must be granted to the application +with the reasons for the need of each capability: -Below are the reasons for the need of each capability: +``NET_RAW`` + For raw Ethernet queue allocation through the kernel driver. -``cap_sys_admin`` - When using physical addresses (PA mode), with Linux >= 4.0, - for access to ``/proc/self/pagemap``. +``NET_ADMIN`` + For device configuration, like setting link status or MTU. -``cap_net_admin`` - For device configuration. +``SYS_RAWIO`` + For using group 1 and above (software steering) in Flow API. -``cap_net_raw`` - For raw ethernet queue allocation through kernel driver. +They can be manually granted for a specific executable file:: -``cap_ipc_lock`` - For DMA memory pinning. + setcap cap_net_raw,cap_net_admin,cap_sys_rawio+ep <executable> + +Alternatively, a service manager or a container runtime +may configure the capabilities for a process. Windows Environment -- 2.25.1