DPDK patches and discussions
 help / color / mirror / Atom feed
From: David Marchand <david.marchand@redhat.com>
To: Maryam Tahhan <mtahhan@redhat.com>
Cc: ferruh.yigit@amd.com, stephen@networkplumber.org,
	lihuisong@huawei.com,  fengchengwen@huawei.com,
	liuyonglong@huawei.com, dev@dpdk.org
Subject: Re: [v1] net/af_xdp: enable a sock path alongside use_cni
Date: Fri, 1 Dec 2023 11:26:13 +0100	[thread overview]
Message-ID: <CAJFAV8zfQq7MAE_qEVc2BzYkSKfGLugj3_xwnNxy6JedYtbNdg@mail.gmail.com> (raw)
In-Reply-To: <20231130091332.2315572-1-mtahhan@redhat.com>

Hello,

On Thu, Nov 30, 2023 at 10:13 AM Maryam Tahhan <mtahhan@redhat.com> wrote:
[snip]
> diff --git a/doc/guides/howto/af_xdp_cni.rst b/doc/guides/howto/af_xdp_cni.rst
> index a1a6d5b99c..a2d90c665d 100644
> --- a/doc/guides/howto/af_xdp_cni.rst
> +++ b/doc/guides/howto/af_xdp_cni.rst
> @@ -38,9 +38,10 @@ The XSKMAP is a BPF map of AF_XDP sockets (XSK).
>  The client can then proceed with creating an AF_XDP socket
>  and inserting that socket into the XSKMAP pointed to by the descriptor.
>
> -The EAL vdev argument ``use_cni`` is used to indicate that the user wishes
> +The EAL vdev arguments ``use_cni`` and ``sock`` are used to indicate that the user wishes
>  to run the PMD in unprivileged mode and to receive the XSKMAP file descriptor
>  from the CNI.
> +
>  When this flag is set,
>  the ``XSK_LIBBPF_FLAGS__INHIBIT_PROG_LOAD`` libbpf flag
>  should be used when creating the socket
> @@ -49,7 +50,7 @@ Instead the loading is handled by the CNI.
>
>  .. note::
>
> -   The Unix Domain Socket file path appear in the end user is "/tmp/afxdp.sock".
> +   The Unix Domain Socket file path appears to the end user at "/tmp/afxdp_dp/<netdev>/afxdp.sock".
>
>
>  Prerequisites
> @@ -224,7 +225,6 @@ Howto run dpdk-testpmd with CNI plugin:
>            capabilities:
>               add:
>                 - CAP_NET_RAW
> -               - CAP_BPF
>           resources:
>             requests:
>               hugepages-2Mi: 2Gi
> @@ -245,7 +245,17 @@ Howto run dpdk-testpmd with CNI plugin:
>
>       kubectl exec -i <Pod name> --container <containers name> -- \
>             /<Path>/dpdk-testpmd -l 0,1 --no-pci \
> -           --vdev=net_af_xdp0,use_cni=1,iface=<interface name> \
> +           --vdev=net_af_xdp0,use_cni=1,iface=<interface name>,sock=/tmp/afxdp_dp/<interface name>/afxdp.sock \
> +           -- --no-mlockall --in-memory

Quick look at the doc update.
- is this hunk related to $subject?
- --in-memory is not a testpmd level option, but an EAL one.


-- 
David Marchand


  parent reply	other threads:[~2023-12-01 10:26 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-30  9:13 Maryam Tahhan
2023-11-30 12:14 ` Koikkara Reeny, Shibin
2023-11-30 12:32   ` Maryam Tahhan
2023-11-30 13:55     ` Koikkara Reeny, Shibin
2023-11-30 13:56   ` Koikkara Reeny, Shibin
2023-11-30 14:17     ` Maryam Tahhan
2023-12-01  9:55       ` Koikkara Reeny, Shibin
2023-12-01 10:20         ` Maryam Tahhan
2023-12-01 10:49           ` Koikkara Reeny, Shibin
2023-11-30 14:30     ` Maryam Tahhan
2023-12-01 10:26 ` David Marchand [this message]
2023-12-01 10:31   ` Maryam Tahhan
2023-12-01 10:33     ` Maryam Tahhan

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=CAJFAV8zfQq7MAE_qEVc2BzYkSKfGLugj3_xwnNxy6JedYtbNdg@mail.gmail.com \
    --to=david.marchand@redhat.com \
    --cc=dev@dpdk.org \
    --cc=fengchengwen@huawei.com \
    --cc=ferruh.yigit@amd.com \
    --cc=lihuisong@huawei.com \
    --cc=liuyonglong@huawei.com \
    --cc=mtahhan@redhat.com \
    --cc=stephen@networkplumber.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).