From f0596659bb2ba71bbe6ec80df9d54ea02775f40f Mon Sep 17 00:00:00 2001
From: Andrea Claudi <aclaudi@redhat.com>
Date: Thu, 23 Apr 2020 12:47:12 +0200
Subject: [PATCH] man: rdma-statistic: Add filter description

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1786565
Upstream Status: iproute2.git commit 31824e2299bf5

commit 31824e2299bf5dc609026436db629b0c25cc1a10
Author: Andrea Claudi <aclaudi@redhat.com>
Date:   Fri Feb 28 18:36:25 2020 +0100

    man: rdma-statistic: Add filter description

    Add description for filters on rdma statistics show command.
    Also add a filter description on the help message of the command.
    Additionally, fix some whitespace issue in the man page.

    Reported-by: Zhaojuan Guo <zguo@redhat.com>
    Signed-off-by: Andrea Claudi <aclaudi@redhat.com>
    Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 man/man8/rdma-statistic.8 | 16 ++++++++++++----
 rdma/stat.c               |  1 +
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/man/man8/rdma-statistic.8 b/man/man8/rdma-statistic.8
index dea6ff24b499b..cd85ca46993a0 100644
--- a/man/man8/rdma-statistic.8
+++ b/man/man8/rdma-statistic.8
@@ -9,7 +9,7 @@ rdma-statistic \- RDMA statistic counter configuration
 .B rdma
 .RI "[ " OPTIONS " ]"
 .B statistic
-.RI  " { " COMMAND " | "
+.RI  "{ " COMMAND " | "
 .BR help " }"
 .sp
 
@@ -23,6 +23,7 @@ rdma-statistic \- RDMA statistic counter configuration
 .RI "[ " OBJECT " ]"
 .B show link
 .RI "[ " DEV/PORT_INDX " ]"
+.RI "[ " FILTER_NAME " " FILTER_VALUE " ]"
 
 .ti -8
 .B rdma statistic
@@ -34,7 +35,7 @@ rdma-statistic \- RDMA statistic counter configuration
 .IR OBJECT
 .B set
 .IR COUNTER_SCOPE
-.RI "[ " DEV/PORT_INDEX "]"
+.RI "[ " DEV/PORT_INDEX " ]"
 .B auto
 .RI "{ " CRITERIA " | "
 .BR off " }"
@@ -44,7 +45,7 @@ rdma-statistic \- RDMA statistic counter configuration
 .IR OBJECT
 .B bind
 .IR COUNTER_SCOPE
-.RI "[ " DEV/PORT_INDEX "]"
+.RI "[ " DEV/PORT_INDEX " ]"
 .RI "[ " OBJECT-ID " ]"
 .RI "[ " COUNTER-ID " ]"
 
@@ -53,7 +54,7 @@ rdma-statistic \- RDMA statistic counter configuration
 .IR OBJECT
 .B unbind
 .IR COUNTER_SCOPE
-.RI "[ " DEV/PORT_INDEX "]"
+.RI "[ " DEV/PORT_INDEX " ]"
 .RI "[ " COUNTER-ID " ]"
 .RI "[ " OBJECT-ID " ]"
 
@@ -69,6 +70,10 @@ rdma-statistic \- RDMA statistic counter configuration
 .IR CRITERIA " := "
 .RB "{ " type " }"
 
+.ti -8
+.IR FILTER_NAME " := "
+.RB "{ " cntn " | " lqpn " | " pid " }"
+
 .SH "DESCRIPTION"
 .SS rdma statistic [object] show - Queries the specified RDMA device for RDMA and driver-specific statistics. Show the default hw counters if object is not specified
 
@@ -79,6 +84,9 @@ rdma-statistic \- RDMA statistic counter configuration
 .I "PORT_INDEX"
 - specifies counters on this RDMA port to show.
 
+.I "FILTER_NAME
+- specifies a filter to show only the results matching it.
+
 .SS rdma statistic <object> set - configure counter statistic auto-mode for a specific device/port
 In auto mode all objects belong to one category are bind automatically to a single counter set.
 
diff --git a/rdma/stat.c b/rdma/stat.c
index ef0bbcf147a70..cd99b7ace73fc 100644
--- a/rdma/stat.c
+++ b/rdma/stat.c
@@ -22,6 +22,7 @@ static int stat_help(struct rd *rd)
 	pr_out("where  OBJECT: = { qp }\n");
 	pr_out("       CRITERIA : = { type }\n");
 	pr_out("       COUNTER_SCOPE: = { link | dev }\n");
+	pr_out("       FILTER_NAME: = { cntn | lqpn | pid }\n");
 	pr_out("Examples:\n");
 	pr_out("       %s statistic qp show\n", rd->filename);
 	pr_out("       %s statistic qp show link mlx5_2/1\n", rd->filename);
-- 
2.25.4