netdev - [iproute2 master] devlink: Document zero policer identifier

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Message-Id: <20200623200609.77470-1-idosch@idosch.org>
Date:   Tue, 23 Jun 2020 23:06:09 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     stephen@...workplumber.org, dsahern@...il.com,
        alexanderk@...lanox.com, mlxsw@...lanox.com,
        Ido Schimmel <idosch@...lanox.com>
Subject: [iproute2 master] devlink: Document zero policer identifier

From: Ido Schimmel <idosch@...lanox.com>

When setting a policer to a trap group, a value of "0" will unbind the
currently bound policer from the group.

The behavior is intentional and tested in kernel selftests, so document
it.

Signed-off-by: Ido Schimmel <idosch@...lanox.com>
Suggested-by: Alex Kushnarov <alexanderk@...lanox.com>
---
 man/man8/devlink-trap.8 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/man/man8/devlink-trap.8 b/man/man8/devlink-trap.8
index 1e69342758d5..f5e66412f1b7 100644
--- a/man/man8/devlink-trap.8
+++ b/man/man8/devlink-trap.8
@@ -118,7 +118,8 @@ skipped.
 
 .TP
 .BI policer " POLICER"
-packet trap policer. The policer to bind to the packet trap group.
+packet trap policer. The policer to bind to the packet trap group. A value of
+"0" will unbind the currently bound policer.
 
 .TP
 .B nopolicer
-- 
2.26.2