Subject: Re: [PATCH net] tcp: ensure PMTU updates are processed during fastopen

From: [email-masked]
Date: Mon, 21 Mar 2022 21:50:11 +0000

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <[email-masked]>:

On Mon, 21 Mar 2022 09:59:57 -0700 you wrote:
> tp->rx_opt.mss_clamp is not populated, yet, during TFO send so we
> rise it to the local MSS. tp->mss_cache is not updated, however:
> 
> tcp_v6_connect():
>   tp->rx_opt.mss_clamp = IPV6_MIN_MTU - headers;
>   tcp_connect():
>      tcp_connect_init():
>        tp->mss_cache = min(mtu, tp->rx_opt.mss_clamp)
>      tcp_send_syn_data():
>        tp->rx_opt.mss_clamp = tp->advmss
> 
> [...]

Here is the summary with links:
  - [net] tcp: ensure PMTU updates are processed during fastopen
    https://git.kernel.org/netdev/net/c/ed0c99dc0f49

You are awesome, thank you!
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