From: Daniel Zahka <daniel.zahka@gmail.com>
To: Jiri Pirko <jiri@resnulli.us>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Donald Hunter <donald.hunter@gmail.com>,
David Ahern <dsahern@kernel.org>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Daniel Zahka <daniel.zahka@gmail.com>
Subject: [PATCH iproute2-next 0/2] devlink: support default flag attr for param-get and param-set commands
Date: Mon, 17 Nov 2025 16:40:01 -0800 [thread overview]
Message-ID: <20251117-param-defaults-v1-0-c99604175d09@gmail.com> (raw)
Add cli support for default param values introduced in the
accompanying kerenl series [1]. Here is some sample usage:
[1]: https://lore.kernel.org/netdev/20251118002433.332272-1-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 <daniel.zahka@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 | 165 ++++++++++++++++++++++++++++++++-----------
include/uapi/linux/devlink.h | 3 +
man/man8/devlink-dev.8 | 22 +++++-
man/man8/devlink-port.8 | 20 +++++-
4 files changed, 167 insertions(+), 43 deletions(-)
---
base-commit: da3525408f9607f1e7e41984c034d7e349317a3b
change-id: 20251112-param-defaults-d796ffdb572b
Best regards,
--
Daniel Zahka <daniel.zahka@gmail.com>
next reply other threads:[~2025-11-18 0:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-18 0:40 Daniel Zahka [this message]
2025-11-18 0:40 ` [PATCH iproute2-next 1/2] devlink: Pull the value printing logic out of pr_out_param_value() Daniel Zahka
2025-11-18 16:02 ` Stephen Hemminger
2025-11-18 0:40 ` [PATCH iproute2-next 2/2] devlink: support displaying and resetting to default params Daniel Zahka
2025-11-18 0:46 ` David Ahern
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