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Miller" , Jakub Kicinski , Paolo Abeni , Simon Horman , Donald Hunter , David Ahern Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Daniel Zahka X-Mailer: b4 0.13.0 Add cli support for default param values introduced in the accompanying kernel series [1]. Here is some sample usage: [1]: https://lore.kernel.org/netdev/20251119025038.651131-1-daniel.zahka@gmail.com/ # dump params with defaults ./devlink dev param show pci/0000:01:00.0 pci/0000:01:00.0: name max_macs type generic values: cmode driverinit value 128 default 128 ... name swp_l4_csum_mode type driver-specific values: cmode permanent value default default default # set to l4_only ./devlink dev param set pci/0000:01:00.0 name swp_l4_csum_mode value l4_only cmode permanent ./devlink dev param show pci/0000:01:00.0 name swp_l4_csum_mode pci/0000:01:00.0: name swp_l4_csum_mode type driver-specific values: cmode permanent value l4_only default default # reset to default ./devlink dev param set pci/0000:01:00.0 name swp_l4_csum_mode default cmode permanent ./devlink dev param show pci/0000:01:00.0 name swp_l4_csum_mode pci/0000:01:00.0: name swp_l4_csum_mode type driver-specific values: cmode permanent value default default default Signed-off-by: Daniel Zahka --- Changes in v2: - don't create format strings with snprintf() - delete dead code for default handling of port params - split uapi change into separate commit (this was already committed so not appearing here) - Link to v1: https://lore.kernel.org/r/20251117-param-defaults-v1-0-c99604175d09@gmail.com --- Daniel Zahka (2): devlink: Pull the value printing logic out of pr_out_param_value() devlink: support displaying and resetting to default params devlink/devlink.c | 127 +++++++++++++++++++++++++++++++++++-------------- man/man8/devlink-dev.8 | 22 ++++++++- 2 files changed, 111 insertions(+), 38 deletions(-) --- base-commit: cd01762163b719361ff7aeaa7f433ee94363497f change-id: 20251112-param-defaults-d796ffdb572b Best regards, -- Daniel Zahka