From: Jesper Dangaard Brouer <brouer@redhat.com>
To: "Björn Töpel" <bjorn.topel@gmail.com>
Cc: brouer@redhat.com, ast@kernel.org, daniel@iogearbox.net,
netdev@vger.kernel.org, bpf@vger.kernel.org,
"Björn Töpel" <bjorn.topel@intel.com>,
maciej.fijalkowski@intel.com, hawk@kernel.org, toke@redhat.com,
magnus.karlsson@intel.com, john.fastabend@gmail.com,
kuba@kernel.org, davem@davemloft.net
Subject: Re: [PATCH bpf-next v3 1/2] bpf, xdp: per-map bpf_redirect_map functions for XDP
Date: Mon, 22 Feb 2021 08:23:01 +0100 [thread overview]
Message-ID: <20210222082301.753ec8f0@carbon> (raw)
In-Reply-To: <20210221200954.164125-2-bjorn.topel@gmail.com>
On Sun, 21 Feb 2021 21:09:53 +0100
Björn Töpel <bjorn.topel@gmail.com> wrote:
> From: Björn Töpel <bjorn.topel@intel.com>
>
> Currently the bpf_redirect_map() implementation dispatches to the
> correct map-lookup function via a switch-statement. To avoid the
> dispatching, this change adds one bpf_redirect_map() implementation per
> map. Correct function is automatically selected by the BPF verifier.
>
> v2->v3 : Fix build when CONFIG_NET is not set. (lkp)
> v1->v2 : Re-added comment. (Toke)
> rfc->v1: Get rid of the macro and use __always_inline. (Jesper)
>
> Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
> Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
> ---
> include/linux/bpf.h | 20 +++++++-------
> include/linux/filter.h | 9 +++++++
> include/net/xdp_sock.h | 6 ++---
> kernel/bpf/cpumap.c | 2 +-
> kernel/bpf/devmap.c | 4 +--
> kernel/bpf/verifier.c | 17 ++++++++----
> net/core/filter.c | 61 ++++++++++++++++++++++++++++--------------
> 7 files changed, 78 insertions(+), 41 deletions(-)
Love it! :-)
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
next prev parent reply other threads:[~2021-02-22 7:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-21 20:09 [PATCH bpf-next v3 0/2] Optimize bpf_redirect_map()/xdp_do_redirect() Björn Töpel
2021-02-21 20:09 ` [PATCH bpf-next v3 1/2] bpf, xdp: per-map bpf_redirect_map functions for XDP Björn Töpel
2021-02-22 7:23 ` Jesper Dangaard Brouer [this message]
2021-02-24 23:38 ` Daniel Borkmann
2021-02-25 6:39 ` Björn Töpel
2021-02-21 20:09 ` [PATCH bpf-next v3 2/2] bpf, xdp: restructure redirect actions Björn Töpel
2021-02-22 8:10 ` Jesper Dangaard Brouer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210222082301.753ec8f0@carbon \
--to=brouer@redhat.com \
--cc=ast@kernel.org \
--cc=bjorn.topel@gmail.com \
--cc=bjorn.topel@intel.com \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=davem@davemloft.net \
--cc=hawk@kernel.org \
--cc=john.fastabend@gmail.com \
--cc=kuba@kernel.org \
--cc=maciej.fijalkowski@intel.com \
--cc=magnus.karlsson@intel.com \
--cc=netdev@vger.kernel.org \
--cc=toke@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).