From: Martin KaFai Lau
Date: Mon, 25 Apr 2016 14:44:47 -0700
...
> One potential use case is to use MSG_EOR with
> SOF_TIMESTAMPING_TX_ACK to get a more accurate
> TCP ack timestamping on application protocol with
> multiple outgoing response messages (e.g. HTTP2).
>
> One of our use case is at
On Mon, Apr 25, 2016 at 5:44 PM, Martin KaFai Lau wrote:
> v4:
> ~ Do not set eor bit in do_tcp_sendpages() since there is
> no way to pass MSG_EOR from the userland now.
> ~ Avoid rmw by testing MSG_EOR first in tcp_sendmsg().
> ~ Move TCP_SKB_CB(skb)->eor test to a new helper
> tcp_skb_can_c
v4:
~ Do not set eor bit in do_tcp_sendpages() since there is
no way to pass MSG_EOR from the userland now.
~ Avoid rmw by testing MSG_EOR first in tcp_sendmsg().
~ Move TCP_SKB_CB(skb)->eor test to a new helper
tcp_skb_can_collapse_to() (suggested by Soheil).
~ Add some packetdrill tests.
v3:
