netdev - Re: [net-next v6 0/4] add broadcast_neighbor for no-stacking networking arch

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Message-Id: <17E0F9C1-EB57-4ABC-BF6B-F54BCA9C6307@bamaicloud.com>
Date: Mon, 16 Jun 2025 10:07:13 +0800
From: Tonghao Zhang <tonghao@...aicloud.com>
To: netdev@...r.kernel.org
Cc: 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>,
 Steven Rostedt <rostedt@...dmis.org>,
 Masami Hiramatsu <mhiramat@...nel.org>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Nikolay Aleksandrov <razor@...ckwall.org>,
 Zengbing Tu <tuzengbing@...iglobal.com>
Subject: Re: [net-next v6 0/4] add broadcast_neighbor for no-stacking
 networking arch

ping

> 2025年6月10日 11:44，Tonghao Zhang <tonghao@...aicloud.com> 写道：
> 
> 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.
> 
> v6 change log:
> - del unnecessary rcu_read_lock in bond_xmit_broadcast  
> 
> v5 change log:
> - format commit message of all patches
> - use skb_header_pointer instead of pskb_may_pull
> - send only packets to active slaves instead of all ports, and add more commit log
> 
> 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: Steven Rostedt <rostedt@...dmis.org>
> Cc: Masami Hiramatsu <mhiramat@...nel.org>
> Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
> Cc: Nikolay Aleksandrov <razor@...ckwall.org>
> 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      | 87 ++++++++++++++++++++++++----
> 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, 197 insertions(+), 13 deletions(-)
> create mode 100644 include/trace/events/bonding.h
> 
> -- 
> 2.34.1
> 
> 
>