netdev - [PATCH net-next 0/3] net: prepare for removal of net->dev_index

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Message-ID: <20241207162248.18536-1-edumazet@google.com>
Date: Sat,  7 Dec 2024 16:22:45 +0000
From: Eric Dumazet <edumazet@...gle.com>
To: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, Simon Horman <horms@...nel.org>, 
	Roopa Prabhu <roopa@...dia.com>, Kuniyuki Iwashima <kuniyu@...zon.com>, eric.dumazet@...il.com, 
	Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net-next 0/3] net: prepare for removal of net->dev_index_head

This series changes rtnl_fdb_dump, last iterator using net->dev_index_head[]

First patch creates ndo_fdb_dump_context structure, to no longer
assume specific layout for the arguments.

Second patch adopts for_each_netdev_dump() in rtnl_fdb_dump(),
while changing two first fields of ndo_fdb_dump_context.

Third patch removes the padding, thus changing the location
of ctx->fdb_idx now that all users agree on how to retrive it.

After this series, the only users of net->dev_index_head
are __dev_get_by_index() and dev_get_by_index_rcu().

We have to evaluate if switching them to dev_by_index xarray
would be sensible.

Eric Dumazet (3):
  rtnetlink: add ndo_fdb_dump_context
  rtnetlink: switch rtnl_fdb_dump() to for_each_netdev_dump()
  rtnetlink: remove pad field in ndo_fdb_dump_context

 .../ethernet/freescale/dpaa2/dpaa2-switch.c   |   3 +-
 drivers/net/ethernet/mscc/ocelot_net.c        |   3 +-
 drivers/net/vxlan/vxlan_core.c                |   5 +-
 include/linux/rtnetlink.h                     |   6 +
 net/bridge/br_fdb.c                           |   3 +-
 net/core/rtnetlink.c                          | 106 +++++++-----------
 net/dsa/user.c                                |   3 +-
 7 files changed, 59 insertions(+), 70 deletions(-)

-- 
2.47.0.338.g60cca15819-goog