netdev - Re: [PATCH v1 net-next 3/8] rtnetlink: Add peer_type in struct rtnl_link

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20241106005237.2696-1-kuniyu@amazon.com>
Date: Tue, 5 Nov 2024 16:52:37 -0800
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: <kuba@...nel.org>
CC: <andrew+netdev@...n.ch>, <daniel@...earbox.net>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <horms@...nel.org>, <kuni1840@...il.com>,
	<kuniyu@...zon.com>, <mailhol.vincent@...adoo.fr>, <mkl@...gutronix.de>,
	<netdev@...r.kernel.org>, <pabeni@...hat.com>, <razor@...ckwall.org>
Subject: Re: [PATCH v1 net-next 3/8] rtnetlink: Add peer_type in struct rtnl_link_ops.

From: Jakub Kicinski <kuba@...nel.org>
Date: Tue, 5 Nov 2024 16:39:57 -0800
> On Tue, 5 Nov 2024 16:39:11 -0800 Jakub Kicinski wrote:
> > On Mon, 4 Nov 2024 18:05:09 -0800 Kuniyuki Iwashima wrote:
> > > +	const unsigned char	peer_type;  
> > 
> > technically netlink attr types are 14b wide or some such
> 
> I guess compiler will warn if someone tries to use < 255

I chose 1 just because all of the three peer attr types were 1.
Should peer_type be u16 or extend when a future device use >255 for
peer ifla ?

  VETH_INFO_PEER
  VXCAN_INFO_PEER
  IFLA_NETKIT_PEER_INFO