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Date:   Wed, 13 Apr 2022 11:50:15 +0000
To:     Nikolay Aleksandrov <>
Subject: Re: [PATCH net-next v4 00/12] net: bridge: add flush filtering support


This series was applied to netdev/net-next.git (master)
by David S. Miller <>:

On Wed, 13 Apr 2022 13:51:50 +0300 you wrote:
> Hi,
> This patch-set adds support to specify filtering conditions for a bulk
> delete (flush) operation. This version uses a new nlmsghdr delete flag
> called NLM_F_BULK in combination with a new ndo_fdb_del_bulk op which is
> used to signal that the driver supports bulk deletes (that avoids
> pushing common mac address checks to ndo_fdb_del implementations and
> also has a different prototype and parsed attribute expectations, more
> info in patch 03). The new delete flag can be used for any RTM_DEL*
> type, implementations just need to be careful with older kernels which
> are doing non-strict attribute parses. A new rtnl flag
> (RTNL_FLAG_BULK_DEL_SUPPORTED) is used to show that the delete supports
> NLM_F_BULK. A proper error is returned if bulk delete is not supported.
> For old kernels I use the fact that mac address attribute (lladdr) is
> mandatory in the classic fdb del case, but it's not allowed if bulk
> deleting so older kernels will error out.
> [...]

Here is the summary with links:
  - [net-next,v4,01/12] net: rtnetlink: add msg kind names
  - [net-next,v4,02/12] net: rtnetlink: add helper to extract msg type's kind
  - [net-next,v4,03/12] net: rtnetlink: use BIT for flag values
  - [net-next,v4,04/12] net: netlink: add NLM_F_BULK delete request modifier
  - [net-next,v4,05/12] net: rtnetlink: add bulk delete support flag
  - [net-next,v4,06/12] net: add ndo_fdb_del_bulk
  - [net-next,v4,07/12] net: rtnetlink: add NLM_F_BULK support to rtnl_fdb_del
  - [net-next,v4,08/12] net: bridge: fdb: add ndo_fdb_del_bulk
  - [net-next,v4,09/12] net: bridge: fdb: add support for fine-grained flushing
  - [net-next,v4,10/12] net: rtnetlink: add ndm flags and state mask attributes
  - [net-next,v4,11/12] net: bridge: fdb: add support for flush filtering based on ndm flags and state
  - [net-next,v4,12/12] net: bridge: fdb: add support for flush filtering based on ifindex and vlan

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