netdev - [iproute PATCH] man: ip-address, ip-link: Document 'type' quirk

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Date:	Fri, 24 Jun 2016 12:14:23 +0200
From:	Phil Sutter <phil@....cc>
To:	Stephen Hemminger <shemming@...cade.com>
Cc:	netdev@...r.kernel.org
Subject: [iproute PATCH] man: ip-address, ip-link: Document 'type' quirk

This covers the fact that calling 'ip {link|addr} show type foobar' does
not return an error.

Signed-off-by: Phil Sutter <phil@....cc>
---
 man/man8/ip-address.8.in | 6 ++++++
 man/man8/ip-link.8.in    | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/man/man8/ip-address.8.in b/man/man8/ip-address.8.in
index ab0942d7e94e2..8d34adb336af4 100644
--- a/man/man8/ip-address.8.in
+++ b/man/man8/ip-address.8.in
@@ -280,6 +280,12 @@ only list interfaces enslaved to this master device.
 .BI type " TYPE"
 only list interfaces of the given type.
 
+Note that the type name is not checked against the list of supported types -
+instead it is sent as-is to the kernel. Later it is used to filter the returned
+interface list by comparing it with the relevant attribute in case the kernel
+didn't filter already. Therefore any string is accepted, but may lead to empty
+output.
+
 .TP
 .B up
 only list running interfaces.
diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in
index d5673639d9ddf..e10f541b20bcf 100644
--- a/man/man8/ip-link.8.in
+++ b/man/man8/ip-link.8.in
@@ -1242,6 +1242,12 @@ specifies the master device which enslaves devices to show.
 .I TYPE
 specifies the type of devices to show.
 
+Note that the type name is not checked against the list of supported types -
+instead it is sent as-is to the kernel. Later it is used to filter the returned
+interface list by comparing it with the relevant attribute in case the kernel
+didn't filter already. Therefore any string is accepted, but may lead to empty
+output.
+
 .SS  ip link help - display help
 
 .PP
-- 
2.8.2