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Mon, 17 Nov 2025 16:40:04 -0800 (PST) Received: from localhost ([2a03:2880:25ff:1::]) by smtp.gmail.com with ESMTPSA id 00721157ae682-788221781e9sm47537627b3.52.2025.11.17.16.40.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Nov 2025 16:40:03 -0800 (PST) From: Daniel Zahka 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 Message-Id: <20251117-param-defaults-v1-0-c99604175d09@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAGHAG2kC/x3MQQqEMAxA0atI1gamAZXxKuKi2nQmoLWkVQTx7 haXb/H/BYlVOEFfXaB8SJItFJi6gvlvw49RXDHQhxpjDGG0ald07O2+5ISu+7beu6npaIISRWU v5zscQKJue2bCwGeG8b4fCi1hkm8AAAA= To: Jiri Pirko , "David S. 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 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 (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