netdev - [PATCH net-next v4 0/4] add broadcast_neighbor for no-stacking networking arch

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Message-ID: <41542B8DA1F849A9+20250514092534.27472-1-tonghao@bamaicloud.com>
Date: Wed, 14 May 2025 17:25:30 +0800
From: Tonghao Zhang <tonghao@...aicloud.com>
To: netdev@...r.kernel.org
Cc: Tonghao Zhang <tonghao@...aicloud.com>,
	Jay Vosburgh <jv@...sburgh.net>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Simon Horman <horms@...nel.org>,
	Jonathan Corbet <corbet@....net>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	Zengbing Tu <tuzengbing@...iglobal.com>
Subject: [PATCH net-next v4 0/4] add broadcast_neighbor for no-stacking networking arch

For no-stacking networking arch, and enable the bond mode 4(lacp) in
datacenter, the switch require arp/nd packets as session synchronization.
More details please see patch.

v4 change log:
- fix dec option in bond_close

v3 change log:
- inc/dec broadcast_neighbor option in bond_open/close and UP state.
- remove explicit inline of bond_should_broadcast_neighbor
- remove sysfs option
- remove EXPORT_SYMBOL_GPL
- reorder option bond_opt_value
- use rcu_xxx in bond_should_notify_peers.

v2 change log:
- add static branch for performance
- add more info about no-stacking arch in commit message
- add broadcast_neighbor info and format doc
- invoke bond_should_broadcast_neighbor only in BOND_MODE_8023AD mode for performance
- explain why we need sending peer notify when failure recovery
- change the doc about num_unsol_na
- refine function name to ad_cond_set_peer_notif
- ad_cond_set_peer_notif invoked in ad_enable_collecting_distributing
- refine bond_should_notify_peers for lacp mode.

Cc: Jay Vosburgh <jv@...sburgh.net>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Eric Dumazet <edumazet@...gle.com>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Paolo Abeni <pabeni@...hat.com>
Cc: Simon Horman <horms@...nel.org>
Cc: Jonathan Corbet <corbet@....net>
Cc: Andrew Lunn <andrew+netdev@...n.ch>
Cc: Zengbing Tu <tuzengbing@...iglobal.com>

Tonghao Zhang (4):
  net: bonding: add broadcast_neighbor option for 802.3ad
  net: bonding: add broadcast_neighbor netlink option
  net: bonding: send peer notify when failure recovery
  net: bonding: add tracepoint for 802.3ad

 Documentation/networking/bonding.rst | 11 ++++-
 drivers/net/bonding/bond_3ad.c       | 19 +++++++++
 drivers/net/bonding/bond_main.c      | 63 +++++++++++++++++++++++++---
 drivers/net/bonding/bond_netlink.c   | 16 +++++++
 drivers/net/bonding/bond_options.c   | 35 ++++++++++++++++
 include/net/bond_options.h           |  1 +
 include/net/bonding.h                |  3 ++
 include/trace/events/bonding.h       | 37 ++++++++++++++++
 include/uapi/linux/if_link.h         |  1 +
 9 files changed, 179 insertions(+), 7 deletions(-)
 create mode 100644 include/trace/events/bonding.h

-- 
2.34.1