From: Jacob Keller <jacob.e.keller@intel.com>
To: netdev@vger.kernel.org
Cc: Jacob Keller <jacob.e.keller@intel.com>,
Jonathan Corbet <corbet@lwn.net>, Jiri Pirko <jiri@nvidia.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
David Ahern <dsahern@kernel.org>,
Stephen Hemminger <stephen@networkplumber.org>,
linux-doc@vger.kernel.org, intel-wired-lan@lists.osuosl.org
Subject: [iproute2-next v2 1/3] update <linux/devlink.h> UAPI header
Date: Thu, 21 Jul 2022 14:14:49 -0700 [thread overview]
Message-ID: <20220721211451.2475600-5-jacob.e.keller@intel.com> (raw)
In-Reply-To: <20220721211451.2475600-1-jacob.e.keller@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
---
include/uapi/linux/devlink.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
index da0f1ba8f7a0..90f6cf97d308 100644
--- a/include/uapi/linux/devlink.h
+++ b/include/uapi/linux/devlink.h
@@ -576,6 +576,14 @@ enum devlink_attr {
DEVLINK_ATTR_LINECARD_TYPE, /* string */
DEVLINK_ATTR_LINECARD_SUPPORTED_TYPES, /* nested */
+ /* Before adding this attribute to a command, user space should check
+ * the policy dump and verify the kernel recognizes the attribute.
+ * Otherwise older kernels which do not recognize the attribute may
+ * silently accept the unknown attribute while not actually performing
+ * a dry run.
+ */
+ DEVLINK_ATTR_DRY_RUN, /* flag */
+
/* add new attributes above here, update the policy in devlink.c */
__DEVLINK_ATTR_MAX,
--
2.36.1
next prev parent reply other threads:[~2022-07-21 21:15 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-21 21:14 [net-next v2 0/2] devlink: implement dry run support for flash update Jacob Keller
2022-07-21 21:14 ` [net-next v2 1/2] devlink: add dry run attribute to " Jacob Keller
2022-07-22 6:26 ` Jiri Pirko
2022-07-22 21:13 ` Keller, Jacob E
2022-07-21 21:14 ` [net-next v2 2/2] ice: support dry run of a flash update to validate firmware file Jacob Keller
2022-07-21 21:14 ` [iproute2-next v2 0/3] devlink: support dry run attribute for flash update Jacob Keller
2022-07-21 21:14 ` Jacob Keller [this message]
2022-07-21 21:14 ` [iproute2-next v2 2/3] mnlg: add function to get CTRL_ATTR_MAXATTR value Jacob Keller
2022-07-21 21:14 ` [iproute2-next v2 3/3] devlink: add dry run attribute support to devlink flash Jacob Keller
2022-07-22 6:22 ` Jiri Pirko
2022-07-22 21:14 ` Keller, Jacob E
2022-07-21 23:52 ` [net-next v2 0/2] devlink: implement dry run support for flash update Jakub Kicinski
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