Re: [PATCH v2 00/11] tcp_splice: Better exploit symmetry between sides of connection

[Stefano Brivio <sbrivio@redhat.com>]

On Tue,  7 Nov 2023 13:42:39 +1100
David Gibson <david@gibson.dropbear.id.au> wrote:

> For spliced connections, both "sides" are sockets, and for many
> purposes how we deal with each side is symmetric.  Currently, however,
> we track the information for each side in independent fields in the
> structure, meaning we can't easily exploit that symmetry.
> 
> This makes a number of reorganizations of the tcp splice code so that
> we can explot that symmetry to reduce code size.  This will have some
> additional advantages when we come to integrate with the in-progress
> unified flow table.
> 
> Based on top of the interface identifiers and automatic forwarding
> cleanup series.
> 
> Changes since v1:
>  * Small updates to comments and commit messages
> 
> David Gibson (11):
>   tcp_splice: Remove redundant tcp_splice_epoll_ctl()
>   tcp_splice: Correct error handling in tcp_splice_epoll_ctl()
>   tcp_splice: Don't handle EPOLL_CTL_DEL as part of
>     tcp_splice_epoll_ctl()
>   tcp_splice: Remove unnecessary forward declaration
>   tcp_splice: Avoid awkward temporaries in tcp_splice_epoll_ctl()
>   tcp_splice: Don't pool pipes in pairs
>   tcp_splice: Rename sides of connection from a/b to 0/1
>   tcp_splice: Exploit side symmetry in tcp_splice_timer()
>   tcp_splice: Exploit side symmetry in tcp_splice_connect_finish()
>   tcp_splice: Exploit side symmetry in tcp_splice_destroy()
>   tcp_splice: Simplify selection of socket and pipe sides in socket
>     handler

Applied.

-- 
Stefano