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

[Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx>]

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.