linux-kernel - Re: [PATCH net-next v4 0/8] net: tcp: add skb drop reasons to tcp state change

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Date:   Fri, 17 Jun 2022 20:05:04 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     menglong8.dong@...il.com
Cc:     edumazet@...gle.com, rostedt@...dmis.org, mingo@...hat.com,
        davem@...emloft.net, yoshfuji@...ux-ipv6.org, dsahern@...nel.org,
        pabeni@...hat.com, imagedong@...cent.com, kafai@...com,
        talalahmad@...gle.com, keescook@...omium.org,
        dongli.zhang@...cle.com, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH net-next v4 0/8] net: tcp: add skb drop reasons to tcp
 state change

On Fri, 17 Jun 2022 18:05:06 +0800 menglong8.dong@...il.com wrote:
> From: Menglong Dong <imagedong@...cent.com>
> 
> In this series patches, skb drop reasons are add to code path of TCP
> state change, which we have not done before. It is hard to pass these
> reasons from the function to its caller, where skb is dropped. In order
> to do this, we have to make some functions return skb drop reasons, or
> pass the pointer of 'reason' to these function as an new function
> argument.

Does not cleanly apply to net-next, reportedly.