netdev - Re: [PATCH net-next v3 06/14] net-timestamp: introduce TS_ACK_OPT

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Message-ID: <CAL+tcoAJ=PvXEpnLAg-eKVsjRHeYgdzEsbwLeQR4Pk-U8j8wUg@mail.gmail.com>
Date: Tue, 29 Oct 2024 09:19:14 +0800
From: Jason Xing <kerneljasonxing@...il.com>
To: Willem de Bruijn <willemdebruijn.kernel@...il.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, 
	pabeni@...hat.com, dsahern@...nel.org, willemb@...gle.com, ast@...nel.org, 
	daniel@...earbox.net, andrii@...nel.org, martin.lau@...ux.dev, 
	eddyz87@...il.com, song@...nel.org, yonghong.song@...ux.dev, 
	john.fastabend@...il.com, kpsingh@...nel.org, sdf@...ichev.me, 
	haoluo@...gle.com, jolsa@...nel.org, shuah@...nel.org, ykolal@...com, 
	bpf@...r.kernel.org, netdev@...r.kernel.org, 
	Jason Xing <kernelxing@...cent.com>
Subject: Re: [PATCH net-next v3 06/14] net-timestamp: introduce TS_ACK_OPT_CB
 to generate tcp acked timestamp

On Tue, Oct 29, 2024 at 9:03 AM Willem de Bruijn
<willemdebruijn.kernel@...il.com> wrote:
>
> Jason Xing wrote:
> > From: Jason Xing <kernelxing@...cent.com>
> >
> > When the last sent skb in each sendmsg() is acknowledged in TCP layer,
>
> nit: last byte.
>
> The TCP bytestream has no concept of fixed buffer sizes or skbs.

Right, right, big mistake of basic theory. Sorry.

Thanks,
Jason