From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Daniel Borkmann <borkmann@iogearbox.net>,
Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
netdev@vger.kernel.org, Jason Wang <jasowang@redhat.com>,
dsahern@gmail.com, virtualization@lists.linux-foundation.org,
gospo@broadcom.com, bjorn.topel@intel.com,
michael.chan@broadcom.com, brouer@redhat.com
Subject: Re: [bpf-next V2 PATCH 11/14] virtio_net: setup xdp_rxq_info
Date: Tue, 26 Dec 2017 12:20:50 +0100 [thread overview]
Message-ID: <20171226122050.3a453cd7@redhat.com> (raw)
In-Reply-To: <151396275093.20006.9684557344807016870.stgit@firesoul>
On Fri, 22 Dec 2017 18:12:31 +0100
Jesper Dangaard Brouer <brouer@redhat.com> wrote:
> The virtio_net driver doesn't dynamically change the RX-ring queue
> layout and backing pages, but instead reject XDP setup if all the
> conditions for XDP is not meet. Thus, the xdp_rxq_info also remains
> fairly static. This allow us to simply add the reg/unreg to
> net_device open/close functions.
>
> Driver hook points for xdp_rxq_info:
> * reg : virtnet_open
> * unreg: virtnet_close
>
> Cc: "Michael S. Tsirkin" <mst@redhat.com>
> Cc: Jason Wang <jasowang@redhat.com>
> Cc: virtualization@lists.linux-foundation.org
> Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
> ---
> drivers/net/virtio_net.c | 12 +++++++++++-
Found a bug while testing this... I forgot to update receive_mergeable() too.
I'll send a V3
--
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:[~2017-12-26 11:21 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-22 17:11 [bpf-next V2 PATCH 00/14] xdp: new XDP rx-queue info concept Jesper Dangaard Brouer
2017-12-22 17:11 ` [bpf-next V2 PATCH 01/14] xdp: base API for " Jesper Dangaard Brouer
2017-12-23 0:14 ` Jakub Kicinski
2017-12-23 13:13 ` Jesper Dangaard Brouer
2017-12-22 17:11 ` [bpf-next V2 PATCH 02/14] xdp/mlx5: setup xdp_rxq_info Jesper Dangaard Brouer
2017-12-22 17:11 ` [bpf-next V2 PATCH 03/14] i40e: " Jesper Dangaard Brouer
2017-12-22 17:11 ` [bpf-next V2 PATCH 04/14] ixgbe: " Jesper Dangaard Brouer
2017-12-22 17:12 ` [bpf-next V2 PATCH 05/14] xdp/qede: setup xdp_rxq_info and intro xdp_rxq_info_is_reg Jesper Dangaard Brouer
2017-12-27 10:37 ` Chopra, Manish
2017-12-27 11:58 ` Jesper Dangaard Brouer
2017-12-22 17:12 ` [bpf-next V2 PATCH 06/14] mlx4: setup xdp_rxq_info Jesper Dangaard Brouer
2017-12-24 11:11 ` Tariq Toukan
2017-12-22 17:12 ` [bpf-next V2 PATCH 07/14] bnxt_en: " Jesper Dangaard Brouer
2017-12-22 17:12 ` [bpf-next V2 PATCH 08/14] nfp: " Jesper Dangaard Brouer
2017-12-22 17:12 ` [bpf-next V2 PATCH 09/14] thunderx: " Jesper Dangaard Brouer
2017-12-22 17:12 ` [bpf-next V2 PATCH 10/14] tun: " Jesper Dangaard Brouer
2017-12-22 17:12 ` [bpf-next V2 PATCH 11/14] virtio_net: " Jesper Dangaard Brouer
2017-12-26 11:20 ` Jesper Dangaard Brouer [this message]
2017-12-22 17:12 ` [bpf-next V2 PATCH 12/14] xdp: generic XDP handling of xdp_rxq_info Jesper Dangaard Brouer
2017-12-22 17:12 ` [bpf-next V2 PATCH 13/14] bpf: finally expose xdp_rxq_info to XDP bpf-programs Jesper Dangaard Brouer
2017-12-23 4:50 ` Alexei Starovoitov
2017-12-22 17:12 ` [bpf-next V2 PATCH 14/14] samples/bpf: program demonstrating access to xdp_rxq_info 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=20171226122050.3a453cd7@redhat.com \
--to=brouer@redhat.com \
--cc=alexei.starovoitov@gmail.com \
--cc=bjorn.topel@intel.com \
--cc=borkmann@iogearbox.net \
--cc=dsahern@gmail.com \
--cc=gospo@broadcom.com \
--cc=jasowang@redhat.com \
--cc=michael.chan@broadcom.com \
--cc=mst@redhat.com \
--cc=netdev@vger.kernel.org \
--cc=virtualization@lists.linux-foundation.org \
/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).