netdev - [PATCH net] bonding: show NS IPv6 targets in proc master info

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Message-Id: <20220527064419.1837522-1-liuhangbin@gmail.com>
Date:   Fri, 27 May 2022 14:44:19 +0800
From:   Hangbin Liu <liuhangbin@...il.com>
To:     netdev@...r.kernel.org
Cc:     Jay Vosburgh <j.vosburgh@...il.com>,
        Veaceslav Falico <vfalico@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jonathan Toppins <jtoppins@...hat.com>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Hangbin Liu <liuhangbin@...il.com>, Li Liang <liali@...hat.com>
Subject: [PATCH net] bonding: show NS IPv6 targets in proc master info

When adding bond new parameter ns_targets. I forgot to print this
in bond master proc info. After updating, the bond master info will looks
like:

ARP IP target/s (n.n.n.n form): 192.168.1.254
NS IPv6 target/s (XX::XX form): 2022::1, 2022::2

Fixes: 4e24be018eb9 ("bonding: add new parameter ns_targets")
Reported-by: Li Liang <liali@...hat.com>
Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 drivers/net/bonding/bond_procfs.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/net/bonding/bond_procfs.c b/drivers/net/bonding/bond_procfs.c
index cfe37be42be4..b6c012270e2e 100644
--- a/drivers/net/bonding/bond_procfs.c
+++ b/drivers/net/bonding/bond_procfs.c
@@ -129,6 +129,19 @@ static void bond_info_show_master(struct seq_file *seq)
 			printed = 1;
 		}
 		seq_printf(seq, "\n");
+
+		printed = 0;
+		seq_printf(seq, "NS IPv6 target/s (xx::xx form):");
+
+		for (i = 0; (i < BOND_MAX_NS_TARGETS); i++) {
+			if (ipv6_addr_any(&bond->params.ns_targets[i]))
+				break;
+			if (printed)
+				seq_printf(seq, ",");
+			seq_printf(seq, " %pI6c", &bond->params.ns_targets[i]);
+			printed = 1;
+		}
+		seq_printf(seq, "\n");
 	}
 
 	if (BOND_MODE(bond) == BOND_MODE_8023AD) {
-- 
2.35.1