From: Jacob Keller <jacob.e.keller@intel.com>
Date: Thu, 30 Sep 2021 21:20:50 +0000 (-0700)
Subject: devlink: print maximum number of snapshots if available
X-Git-Tag: v5.16.0~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b90174354dce29d3b699558709d851b35b0c5a22;p=thirdparty%2Fiproute2.git

devlink: print maximum number of snapshots if available

Recently the kernel gained ability to report the maximum number of
snapshots a region can have. Print this value out if it was reported.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
---

diff --git a/devlink/devlink.c b/devlink/devlink.c
index 2f2142ed3..07c4e08ab 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c
@@ -7845,6 +7845,10 @@ static void pr_out_region(struct dl *dl, struct nlattr **tb)
 	if (tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
 		pr_out_snapshot(dl, tb);
 
+	if (tb[DEVLINK_ATTR_REGION_MAX_SNAPSHOTS])
+		pr_out_u64(dl, "max",
+			   mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_MAX_SNAPSHOTS]));
+
 	pr_out_region_handle_end(dl);
 }