netdev - [PATCH iproute2] iplink: add ip-link documentation

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Date:   Wed,  2 Feb 2022 10:24:11 -0800
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     David Ahern <dsahern@...il.com>,
        Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Coco Li <lixiaoyan@...gle.com>
Subject: [PATCH iproute2] iplink: add ip-link documentation

From: Eric Dumazet <edumazet@...gle.com>

Add documentation for gro_max_size.

Also make clear gso_max_size/gso_max_segs can be set after device creation.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
Cc: Coco Li <lixiaoyan@...gle.com>
---
 man/man8/ip-link.8.in | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in
index 19a0c9cab811666a9dce0372a4cb1b19db02d1a5..5f5b835cb2e335b68c4e3ace7bfd40683ae1c67b 100644
--- a/man/man8/ip-link.8.in
+++ b/man/man8/ip-link.8.in
@@ -36,11 +36,14 @@ ip-link \- network device configuration
 .RB "[ " numrxqueues
 .IR QUEUE_COUNT " ]"
 .br
-.BR "[ " gso_max_size
+.RB "[ " gso_max_size
 .IR BYTES " ]"
 .RB "[ " gso_max_segs
 .IR SEGMENTS " ]"
 .br
+.RB "[ " gro_max_size
+.IR BYTES " ]"
+.br
 .BI type " TYPE"
 .RI "[ " ARGS " ]"
 
@@ -83,6 +86,13 @@ ip-link \- network device configuration
 .RB "[ " txqueuelen
 .IR PACKETS " ]"
 .br
+.RB "[ " max_gso_size
+.IR BYTES " ]"
+.RB "[ " max_gso_segs
+.IR SEGMENTS " ]"
+.RB "[ " max_gro_size
+.IR BYTES " ]"
+.br
 .RB "[ " name
 .IR NEWNAME " ]"
 .br
@@ -402,6 +412,11 @@ packet the new device should accept.
 specifies the recommended maximum number of a Generic Segment Offload
 segments the new device should accept.
 
+.TP
+.BI gro_max_size " BYTES "
+specifies the maximum size of a packet built by GRO stack
+on this device.
+
 .TP
 .BI index " IDX "
 specifies the desired index of the new virtual device. The link
-- 
2.35.0.rc2.247.g8bbb082509-goog