netdev - Re: [PATCH net-next 0/2] tcp: update TCPCB_EVER_RETRANS after trace_tcp_retransmit

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Message-Id: 
 <171403202744.24256.9216557508325738302.git-patchwork-notify@kernel.org>
Date: Thu, 25 Apr 2024 08:00:27 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Philo Lu <lulie@...ux.alibaba.com>
Cc: netdev@...r.kernel.org, bpf@...r.kernel.org, edumazet@...gle.com,
 davem@...emloft.net, martin.lau@...ux.dev, ast@...nel.org,
 daniel@...earbox.net, andrii@...nel.org, kuba@...nel.org, pabeni@...hat.com,
 dsahern@...nel.org, xuanzhuo@...ux.alibaba.com, fred.cc@...baba-inc.com
Subject: Re: [PATCH net-next 0/2] tcp: update TCPCB_EVER_RETRANS after
 trace_tcp_retransmit_skb()

Hello:

This series was applied to netdev/net-next.git (main)
by David S. Miller <davem@...emloft.net>:

On Sun, 21 Apr 2024 12:20:07 +0800 you wrote:
> Move TCPCB_EVER_RETRANS updating after the trace_tcp_retransmit_skb()
> in __tcp_retransmit_skb(), and then we are aware of whether the skb has
> ever been retransmitted in this tracepoint. This can be used, e.g., to get
> retransmission efficiency by counting skbs w/ and w/o TCPCB_EVER_RETRANS
> (through bpf tracing programs).
> 
> For this purpose, TCPCB_EVER_RETRANS is also needed to be exposed to bpf.
> Previously, the flags are defined as macros in struct tcp_skb_cb. I moved them
> out into a new enum, and then they can be accessed with vmlinux.h.
> 
> [...]

Here is the summary with links:
  - [net-next,1/2] tcp: move tcp_skb_cb->sacked flags to enum
    https://git.kernel.org/netdev/net-next/c/14b5fb2145ca
  - [net-next,2/2] tcp: update sacked after tracepoint in __tcp_retransmit_skb
    https://git.kernel.org/netdev/net-next/c/2bf90a57f0e6

You are awesome, thank you!
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