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From: Hangbin Liu <liuhangbin@gmail.com>
To: netdev@vger.kernel.org
Cc: Jay Vosburgh <jv@jvosburgh.net>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>,
	Stephen Hemminger <stephen@networkplumber.org>,
	David Ahern <dsahern@gmail.com>,
	linux-kselftest@vger.kernel.org,
	Hangbin Liu <liuhangbin@gmail.com>
Subject: [PATCH iproute2-next] bond: slave: print master name
Date: Fri, 17 Oct 2025 03:05:09 +0000	[thread overview]
Message-ID: <20251017030509.61794-1-liuhangbin@gmail.com> (raw)
In-Reply-To: <20251017030310.61755-1-liuhangbin@gmail.com>

Add a new attribute to display the name of the master interface for
each slave.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
---
 ip/iplink_bond_slave.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/ip/iplink_bond_slave.c b/ip/iplink_bond_slave.c
index c88100e248dd..55deaadf5fe2 100644
--- a/ip/iplink_bond_slave.c
+++ b/ip/iplink_bond_slave.c
@@ -92,6 +92,17 @@ static void bond_slave_print_opt(struct link_util *lu, FILE *f, struct rtattr *t
 	if (!tb)
 		return;
 
+	if (tb[IFLA_BOND_SLAVE_MASTER]) {
+		unsigned int ifindex = rta_getattr_u32(tb[IFLA_BOND_SLAVE_MASTER]);
+
+		if (ifindex) {
+			print_string(PRINT_ANY,
+				     "master",
+				     "master %s ",
+				     ll_index_to_name(ifindex));
+		}
+	}
+
 	if (tb[IFLA_BOND_SLAVE_STATE])
 		print_slave_state(f, tb[IFLA_BOND_SLAVE_STATE]);
 
-- 
2.50.1


  reply	other threads:[~2025-10-17  3:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-17  3:03 [PATCH net-next] bonding: show master index when dumping slave info Hangbin Liu
2025-10-17  3:05 ` Hangbin Liu [this message]
2025-10-18  8:57   ` [PATCH iproute2-next] bond: slave: print master name Stephen Hemminger
2025-10-17  6:10 ` [PATCH net-next] bonding: show master index when dumping slave info Nikolay Aleksandrov
2025-10-17  7:26   ` Hangbin Liu
2025-10-17  9:56   ` Jiri Pirko
2025-10-18  9:52     ` Hangbin Liu

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