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linux/drivers/net/bonding
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Hangbin Liu 3572663c55 bonding: report duplicate MAC address in all situations 
[ Upstream commit 28d68d396a ]

Normally, a bond uses the MAC address of the first added slave as the bond’s
MAC address. And the bond will set active slave’s MAC address to bond’s
address if fail_over_mac is set to none (0) or follow (2).

When the first slave is removed, the bond will still use the removed slave’s
MAC address, which can lead to a duplicate MAC address and potentially cause
issues with the switch. To avoid confusion, let's warn the user in all
situations, including when fail_over_mac is set to 2 or not in active-backup
mode.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20250225033914.18617-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-06-04 14:40:11 +02:00
..
bond_3ad.c drivers/net/bonding/bond_3ad: return when there's no aggregator 2023-01-12 12:02:28 +01:00
bond_alb.c bonding: return -ENOMEM instead of BUG in alb_upper_dev_walk 2024-02-05 20:12:50 +00:00
bond_debugfs.c bonding: fix error checking in bond_debug_reregister() 2023-02-14 19:11:44 +01:00
bond_main.c bonding: report duplicate MAC address in all situations 2025-06-04 14:40:11 +02:00
bond_netlink.c bonding: fix send_peer_notif overflow 2023-05-24 17:32:32 +01:00
bond_options.c bonding: fix incorrect MAC address setting to receive NS messages 2025-03-28 21:58:49 +01:00
bond_procfs.c bonding: show NS IPv6 targets in proc master info 2022-05-31 10:50:02 +02:00
bond_sysfs.c net: bonding: Convert to use sysfs_emit()/sysfs_emit_at() APIs 2022-09-30 12:29:45 +01:00
bond_sysfs_slave.c net: bonding: Convert to use sysfs_emit()/sysfs_emit_at() APIs 2022-09-30 12:29:45 +01:00
bonding_priv.h drivers: Remove inclusion of vermagic header 2020-04-21 13:27:37 -07:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00