netdev - [PATCH v1 net-next 00/13] rtnetlink: Refactor rtnl_{new,del,set}link() for per-netns RTNL.

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Message-ID: <20241009231656.57830-1-kuniyu@amazon.com>
Date: Wed, 9 Oct 2024 16:16:43 -0700
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
	<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>
CC: Kuniyuki Iwashima <kuniyu@...zon.com>, Kuniyuki Iwashima
	<kuni1840@...il.com>, <netdev@...r.kernel.org>
Subject: [PATCH v1 net-next 00/13] rtnetlink: Refactor rtnl_{new,del,set}link() for per-netns RTNL.

This is a prep for the next series where we will push RTNL down to
rtnl_{new,del,set}link().

That means, for example, __rtnl_newlink() is always under RTNL, but
rtnl_newlink() has a non-RTNL section.

As a prerequisite for per-netns RTNL, we will move netns validation
(and RTNL-independent validations if possible) to that section.

rtnl_link_ops and rtnl_af_ops will be protected with SRCU not to
depend on RTNL.


Kuniyuki Iwashima (13):
  rtnetlink: Allocate linkinfo[] as struct rtnl_newlink_tbs.
  rtnetlink: Call validate_linkmsg() in do_setlink().
  rtnetlink: Factorise do_setlink() path from __rtnl_newlink().
  rtnetlink: Move simple validation from __rtnl_newlink() to
    rtnl_newlink().
  rtnetlink: Move rtnl_link_ops_get() and retry to rtnl_newlink().
  rtnetlink: Move ops->validate to rtnl_newlink().
  rtnetlink: Protect struct rtnl_link_ops with SRCU.
  rtnetlink: Call rtnl_link_get_net_capable() in rtnl_newlink().
  rtnetlink: Fetch IFLA_LINK_NETNSID in rtnl_newlink().
  rtnetlink: Clean up rtnl_dellink().
  rtnetlink: Clean up rtnl_setlink().
  rtnetlink: Call rtnl_link_get_net_capable() in do_setlink().
  rtnetlink: Protect struct rtnl_af_ops with SRCU.

 include/net/rtnetlink.h |  10 +-
 net/core/rtnetlink.c    | 552 ++++++++++++++++++++++------------------
 2 files changed, 310 insertions(+), 252 deletions(-)

-- 
2.39.5 (Apple Git-154)