Re: [PATCH net-next v3 06/14] net-timestamp: introduce TS_ACK_OPT_CB to generate tcp acked timestamp

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Subject: Re: [PATCH net-next v3 06/14] net-timestamp: introduce TS_ACK_OPT_CB to generate tcp acked timestamp
From: Jason Xing <kerneljasonxing@xxxxxxxxx>
Date: Tue, 29 Oct 2024 09:19:14 +0800
Cc: davem@xxxxxxxxxxxxx, edumazet@xxxxxxxxxx, kuba@xxxxxxxxxx, pabeni@xxxxxxxxxx, dsahern@xxxxxxxxxx, willemb@xxxxxxxxxx, ast@xxxxxxxxxx, daniel@xxxxxxxxxxxxx, andrii@xxxxxxxxxx, martin.lau@xxxxxxxxx, eddyz87@xxxxxxxxx, song@xxxxxxxxxx, yonghong.song@xxxxxxxxx, john.fastabend@xxxxxxxxx, kpsingh@xxxxxxxxxx, sdf@xxxxxxxxxxx, haoluo@xxxxxxxxxx, jolsa@xxxxxxxxxx, shuah@xxxxxxxxxx, ykolal@xxxxxx, bpf@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, Jason Xing <kernelxing@xxxxxxxxxxx>
In-reply-to: <6720346cdebb6_24dce6294b0@willemb.c.googlers.com.notmuch>

On Tue, Oct 29, 2024 at 9:03 AM Willem de Bruijn
<willemdebruijn.kernel@xxxxxxxxx> wrote:
>
> Jason Xing wrote:
> > From: Jason Xing <kernelxing@xxxxxxxxxxx>
> >
> > 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

References:
- [PATCH net-next v3 00/14] net-timestamp: bpf extension to equip applications transparently
  - From: Jason Xing
- [PATCH net-next v3 06/14] net-timestamp: introduce TS_ACK_OPT_CB to generate tcp acked timestamp
  - From: Jason Xing
- Re: [PATCH net-next v3 06/14] net-timestamp: introduce TS_ACK_OPT_CB to generate tcp acked timestamp
  - From: Willem de Bruijn

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