netdev - [PATCH net-next v2 1/7] netlink: specs: define ethtool header flags

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Message-ID: <20240403023426.1762996-2-kuba@kernel.org>
Date: Tue,  2 Apr 2024 19:34:20 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org,
	edumazet@...gle.com,
	pabeni@...hat.com,
	shuah@...nel.org,
	sdf@...gle.com,
	donald.hunter@...il.com,
	linux-kselftest@...r.kernel.org,
	petrm@...dia.com,
	Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next v2 1/7] netlink: specs: define ethtool header flags

When interfacing with the ethtool commands it's handy to
be able to use the names of the flags. Example:

    ethnl.pause_get({"header": {"dev-index": cfg.ifindex,
                                "flags": {'stats'}}})

Note that not all commands accept all the flags,
but the meaning of the bits does not change command
to command.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
v2:
 - make sure we don't try to code gen enum (add enum-name:)
---
 Documentation/netlink/specs/ethtool.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/netlink/specs/ethtool.yaml b/Documentation/netlink/specs/ethtool.yaml
index 197208f419dc..d0e4a47e0f21 100644
--- a/Documentation/netlink/specs/ethtool.yaml
+++ b/Documentation/netlink/specs/ethtool.yaml
@@ -16,6 +16,11 @@ doc: Partial family for Ethtool Netlink.
     name: stringset
     type: enum
     entries: []
+  -
+    name: header-flags
+    enum-name:
+    type: flags
+    entries: [ compact-bitsets, omit-reply, stats ]
 
 attribute-sets:
   -
@@ -30,6 +35,7 @@ doc: Partial family for Ethtool Netlink.
       -
         name: flags
         type: u32
+        enum: header-flags
 
   -
     name: bitset-bit
-- 
2.44.0