Re: git: 73ee5756dee6 - main - Fixes in the tcp infrastructure with respect to stack changes as well as other infrastructure updates for incoming rack features.

On Tue, Apr 4, 2023 at 12:31 PM Randall Stewart <rrs@freebsd.org> wrote:
>
> The branch main has been updated by rrs:
>
> URL: https://cgit.FreeBSD.org/src/commit/?id=73ee5756dee6b2110eb6fb2b2ef3cde39a1fcb4f
>
> commit 73ee5756dee6b2110eb6fb2b2ef3cde39a1fcb4f
> Author:     Randall Stewart <rrs@FreeBSD.org>
> AuthorDate: 2023-04-01 05:46:38 +0000
> Commit:     Randall Stewart <rrs@FreeBSD.org>
> CommitDate: 2023-04-01 05:46:38 +0000
>
>     Fixes in the tcp infrastructure with respect to stack changes as well as other infrastructure updates for incoming rack features.
>
>     So stack switching as always been a bit of a issue. We currently use a break before make setup which means that
>     if something goes wrong you have to try to get back to a stack. This patch among a lot of other things changes that so
>     that it is a make before break. We also expand some of the function blocks in prep for new features in rack that will allow
>     more controlled pacing. We also add other abilities such as the pathway for a stack to query a previous stack to acquire from
>     it critical state information so things in flight don't get dropped or mis-handled when switching stacks. We also add the
>     concept of a timer granularity. This allows an alternate stack to change from the old ticks granularity to microseconds and
>     of course this even gives us a pathway to go to nanosecond timekeeping if we need to (something for the data center to consider
>     for sure).
>
>     Once all this lands I will then update rack to begin using all these new features.
>
>     Reviewed by: tuexen
>     Sponsored by: Netflix Inc
>     Differential Revision: https://reviews.freebsd.org/D39210

Hi,

Could you hide some stuff in netinet/tcp.h?
struct http_req breaks curl 8.1.0.

Antoine