DPDK patches and discussions
 help / color / mirror / Atom feed
From: Madhuker Mythri <madhuker.mythri@oracle.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"ferruh.yigit@amd.com" <ferruh.yigit@amd.com>
Subject: RE: [External] : Re: [PATCH] net/tap: Modified TAP BPF program as per the Kernel-version upgrade requirements.
Date: Wed, 17 Jan 2024 16:19:14 +0000	[thread overview]
Message-ID: <SJ0PR10MB4798F3E193EF489BA34B288197722@SJ0PR10MB4798.namprd10.prod.outlook.com> (raw)
In-Reply-To: <20240116192558.03b413d6@hermes.local>

No, I did not run with Cilium.

Thanks,
Madhuker.

-----Original Message-----
From: Stephen Hemminger <stephen@networkplumber.org> 
Sent: 17 January 2024 08:56
To: Madhuker Mythri <madhuker.mythri@oracle.com>
Cc: dev@dpdk.org; ferruh.yigit@amd.com
Subject: Re: [External] : Re: [PATCH] net/tap: Modified TAP BPF program as per the Kernel-version upgrade requirements.

On Tue, 16 Jan 2024 05:43:00 +0000
Madhuker Mythri <madhuker.mythri@oracle.com> wrote:

> Hi Stephen,
> 
> Yes, I found that the Kernel we use has more Verification added for safe execution:
> https://blogs.oracle.com/linux/post/bpf-in-depth-the-bpf-bytecode-and-the-bpf-verifier
> 
> Here they mentioned about SKB pointer direct access, math on pointer and array with undefined access is denied on BPF code.

Have you tried running Cilium? I would expect those custom changes would break that

  reply	other threads:[~2024-01-17 16:19 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-12 13:48 madhuker.mythri
2024-01-12 16:40 ` Stephen Hemminger
2024-01-12 16:41 ` Stephen Hemminger
2024-01-13 17:50   ` [External] : " Madhuker Mythri
2024-01-13 18:05     ` Stephen Hemminger
2024-01-16 16:43     ` Stephen Hemminger
2024-01-12 16:42 ` Stephen Hemminger
2024-01-13 17:52   ` [External] : " Madhuker Mythri
2024-01-13 18:06     ` Stephen Hemminger
2024-01-16  5:43       ` Madhuker Mythri
2024-01-16 16:40         ` Stephen Hemminger
2024-01-17  3:25         ` Stephen Hemminger
2024-01-17 16:19           ` Madhuker Mythri [this message]
2024-01-12 16:43 ` Stephen Hemminger
2024-01-12 16:46 ` Stephen Hemminger
2024-01-13 17:55   ` [External] : " Madhuker Mythri
2024-01-12 17:53 ` [RFC v3] tap: rework the BPF header parsing Stephen Hemminger
2024-02-07 18:55 ` [PATCH] net/tap: Modified TAP BPF program as per the Kernel-version upgrade requirements Stephen Hemminger

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=SJ0PR10MB4798F3E193EF489BA34B288197722@SJ0PR10MB4798.namprd10.prod.outlook.com \
    --to=madhuker.mythri@oracle.com \
    --cc=dev@dpdk.org \
    --cc=ferruh.yigit@amd.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).