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: Sat, 13 Jan 2024 17:55:59 +0000 [thread overview]
Message-ID: <SJ0PR10MB479840378D3F4897AADAAA3D976E2@SJ0PR10MB4798.namprd10.prod.outlook.com> (raw)
In-Reply-To: <20240112084648.7f7ff52a@hermes.local>
Even, in the original code the IP-address converted to host-order from network byte order.
Now, I just replaced with BPF API's to convert to host-order.
-----Original Message-----
From: Stephen Hemminger <stephen@networkplumber.org>
Sent: 12 January 2024 22:17
To: Madhuker Mythri <madhuker.mythri@oracle.com>
Cc: dev@dpdk.org; ferruh.yigit@amd.com
Subject: [External] : Re: [PATCH] net/tap: Modified TAP BPF program as per the Kernel-version upgrade requirements.
On Fri, 12 Jan 2024 19:18:21 +0530
madhuker.mythri@oracle.com wrote:
> struct ipv4_l3_l4_tuple v4_tuple = {
> - .src_addr = IPv4(*(src_dst_addr + 0),
> - *(src_dst_addr + 1),
> - *(src_dst_addr + 2),
> - *(src_dst_addr + 3)),
> - .dst_addr = IPv4(*(src_dst_addr + 4),
> - *(src_dst_addr + 5),
> - *(src_dst_addr + 6),
> - *(src_dst_addr + 7)),
> + .src_addr = bpf_ntohl(nh.iph.saddr),
> + .dst_addr = bpf_ntohl(nh.iph.daddr),
Not sure this is correct.
The RSS calculation (Toeplitz) expects that data is in network byte order. See app/test/test_thash.c for example.
next prev parent reply other threads:[~2024-01-13 17:56 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
2024-01-12 16:43 ` Stephen Hemminger
2024-01-12 16:46 ` Stephen Hemminger
2024-01-13 17:55 ` Madhuker Mythri [this message]
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=SJ0PR10MB479840378D3F4897AADAAA3D976E2@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).