netdev - [PATCH v2 net-next 0/7] rtnetlink: Convert rtnl

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Message-ID: <20241106022432.13065-1-kuniyu@amazon.com>
Date: Tue, 5 Nov 2024 18:24:25 -0800
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>, Simon Horman <horms@...nel.org>
CC: Andrew Lunn <andrew+netdev@...n.ch>, Marc Kleine-Budde
	<mkl@...gutronix.de>, Vincent Mailhol <mailhol.vincent@...adoo.fr>, "Daniel
 Borkmann" <daniel@...earbox.net>, Nikolay Aleksandrov <razor@...ckwall.org>,
	Kuniyuki Iwashima <kuniyu@...zon.com>, Kuniyuki Iwashima
	<kuni1840@...il.com>, <netdev@...r.kernel.org>
Subject: [PATCH v2 net-next 0/7] rtnetlink: Convert rtnl_newlink() to per-netns RTNL.

Patch 1 introduces struct rtnl_nets and helper functions to acquire
multiple per-netns RTNL in rtnl_newlink().

Patch 2 - 5 are to prefetch the peer device's netns in rtnl_newlink().

Patch 6 converts rtnl_newlink() to per-netns RTNL.

Patch 7 pushes RTNL down to rtnl_dellink() and rtnl_setlink(), but
the conversion will not be completed unless we support cases with
peer/upper/lower devices.


Changes:
  v2
    * Patch 1
      * Move struct rtnl_nets to rtnetlink.c
      * Unexport rtnl_nets_add()
    * Patch 2
      * Rename the helper to rtnl_link_get_net_ifla()
      * Unexport rtnl_link_get_net_ifla()
      * Change peer_type to u16
    * Patch 6
      * Remove __rtnl_unlock() dance

  v1: https://lore.kernel.org/netdev/20241105020514.41963-1-kuniyu@amazon.com/


Kuniyuki Iwashima (7):
  rtnetlink: Introduce struct rtnl_nets and helpers.
  rtnetlink: Add peer_type in struct rtnl_link_ops.
  veth: Set VETH_INFO_PEER to veth_link_ops.peer_type.
  vxcan: Set VXCAN_INFO_PEER to vxcan_link_ops.peer_type.
  netkit: Set IFLA_NETKIT_PEER_INFO to netkit_link_ops.peer_type.
  rtnetlink: Convert RTM_NEWLINK to per-netns RTNL.
  rtnetlink: Register rtnl_dellink() and rtnl_setlink() with
    RTNL_FLAG_DOIT_PERNET_WIP.

 drivers/net/can/vxcan.c |  12 +--
 drivers/net/netkit.c    |  11 +--
 drivers/net/veth.c      |  18 +----
 include/net/rtnetlink.h |   3 +
 net/core/rtnetlink.c    | 171 +++++++++++++++++++++++++++++++++++++---
 5 files changed, 170 insertions(+), 45 deletions(-)

-- 
2.39.5 (Apple Git-154)