netdev - Re: [PATCH net-next 0/4] inet: Separate DSCP from ECN bits using new dscp

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Date:   Tue, 08 Feb 2022 05:10:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Guillaume Nault <gnault@...hat.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        yoshfuji@...ux-ipv6.org, dsahern@...nel.org, toke@...hat.com,
        shuah@...nel.org, linux-kselftest@...r.kernel.org,
        russell@...ong.id.au, dave.taht@...il.com
Subject: Re: [PATCH net-next 0/4] inet: Separate DSCP from ECN bits using new
 dscp_t type

Hello:

This series was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 4 Feb 2022 14:58:09 +0100 you wrote:
> The networking stack currently doesn't clearly distinguish between DSCP
> and ECN bits. The entire DSCP+ECN bits are stored in u8 variables (or
> structure fields), and each part of the stack handles them in their own
> way, using different macros. This has created several bugs in the past
> and some uncommon code paths are still unfixed.
> 
> Such bugs generally manifest by selecting invalid routes because of ECN
> bits interfering with FIB routes and rules lookups (more details in the
> LPC 2021 talk[1] and in the RFC of this series[2]).
> 
> [...]

Here is the summary with links:
  - [net-next,1/4] ipv6: Define dscp_t and stop taking ECN bits into account in fib6-rules
    (no matching commit)
  - [net-next,2/4] ipv4: Stop taking ECN bits into account in fib4-rules
    https://git.kernel.org/netdev/net-next/c/563f8e97e054
  - [net-next,3/4] ipv4: Reject routes specifying ECN bits in rtm_tos
    https://git.kernel.org/netdev/net-next/c/f55fbb6afb8d
  - [net-next,4/4] ipv4: Use dscp_t in struct fib_alias
    https://git.kernel.org/netdev/net-next/c/32ccf1107980

You are awesome, thank you!
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