From: Andrew Lunn <andrew@lunn.ch>
To: "Cen Zhang (Microsoft)" <blbllhy@gmail.com>
Cc: jmaloy@redhat.com, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, horms@kernel.org,
netdev@vger.kernel.org, tipc-discussion@lists.sourceforge.net,
linux-kernel@vger.kernel.org, vadim.fedorenko@linux.dev,
tung.quang.nguyen@est.tech, AutonomousCodeSecurity@microsoft.com,
tgopinath@linux.microsoft.com, kys@microsoft.com
Subject: Re: [PATCH net v4] tipc: fix u16 MTU truncation in media and bearer MTU validation
Date: Fri, 10 Jul 2026 18:34:51 +0200 [thread overview]
Message-ID: <3ec7b01a-270a-4b57-af9e-bdbf85313da2@lunn.ch> (raw)
In-Reply-To: <20260709211649.15623-1-blbllhy@gmail.com>
On Thu, Jul 09, 2026 at 05:16:49PM -0400, Cen Zhang (Microsoft) wrote:
> Both TIPC_NL_MEDIA_SET and TIPC_NL_BEARER_SET accept user-supplied
> MTU values but only enforce a minimum bound, not a maximum.
I don't know the tipc code at all..
Can this be piped through netif_set_mtu()? It will call
dev_validate_mtu() which will validate the MTU against dev->min_mtu
and dev->max_mtu.
Andrew
prev parent reply other threads:[~2026-07-10 16:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-09 21:16 [PATCH net v4] tipc: fix u16 MTU truncation in media and bearer MTU validation Cen Zhang (Microsoft)
2026-07-10 12:12 ` Vadim Fedorenko
2026-07-10 12:57 ` Tung Quang Nguyen
2026-07-10 14:02 ` Vadim Fedorenko
2026-07-10 14:23 ` Tung Quang Nguyen
2026-07-10 16:34 ` Andrew Lunn [this message]
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