netdev - Re: Support needed for integrating Marvel 88e6390 with microchip SAMA7 processor (DSA)

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Message-ID: <7c5d2370-ae4f-4812-beef-d15d5a48075b@lunn.ch>
Date: Mon, 22 Apr 2024 20:38:48 +0200
From: Andrew Lunn <andrew@...n.ch>
To: SIMON BABY <simonkbaby@...il.com>
Cc: netdev@...r.kernel.org
Subject: Re: Support needed for integrating Marvel 88e6390 with microchip
 SAMA7 processor (DSA)

On Mon, Apr 22, 2024 at 10:29:32AM -0700, SIMON BABY wrote:
> Within my Linux itself, I could not ping the own address I configured for lan2.
> I configured same network address for my master port (eth0) and slave port
> (lane2). Please see below. 
> 
> eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1504
>         inet 192.162.0.111  netmask 255.255.255.0  broadcast 192.162.0.255
>         inet6 fe80::691:62ff:fef2:fd1c  prefixlen 64  scopeid 0x20<link>
>         ether 04:91:62:f2:fd:1c  txqueuelen 1000  (Ethernet)
>         RX packets 0  bytes 0 (0.0 B)
>         RX errors 54  dropped 0  overruns 0  frame 54
>         TX packets 179  bytes 27309 (26.6 KiB)
>         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>         device interrupt 172

There is no need to have an IP address on the conduit interface.

> lan2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>         inet 192.168.0.120  netmask 255.255.255.0  broadcast 192.168.0.255
>         inet6 fe80::691:62ff:fef2:fd1c  prefixlen 64  scopeid 0x20<link>
>         ether   04:91:62:f2:fd:1c  txqueuelen 1000  (Ethernet)
>         RX packets 0  bytes 0 (0.0 B)
>         RX errors 0  dropped 0  overruns 0  frame 0
>         TX packets 50  bytes 4082 (3.9 KiB)
>         TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

> root@...a7g5ek-sd:~# ping 192.162.0.120             (ping slave port did not
> worked)                  
> PING 192.162.0.120 (192.162.0.120) 56(84) bytes of data.
> From 192.162.0.111 icmp_seq=1 Destination Host Unreachable
> From 192.162.0.111 icmp_seq=2 Destination Host Unreachable
> From 192.162.0.111 icmp_seq=3 Destination Host Unreachable

$ whois 192.162.0.0
% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://apps.db.ripe.net/docs/HTML-Terms-And-Conditions

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '192.162.0.0 - 192.162.3.255'

% Abuse contact for '192.162.0.0 - 192.162.3.255' is 'abuse@....ru'

inetnum:        192.162.0.0 - 192.162.3.255
netname:        NEW-RUSSIA-CTV-NETWORK
country:        RU
org:            ORG-ZM1-RIPE
admin-c:        OIC2-RIPE
tech-c:         OIC2-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MTU-NOC
mnt-by:         KUBANGSM-MNT
mnt-routes:     KUBANGSM-MNT
mnt-domains:    KUBANGSM-MNT
created:        2011-03-14T12:58:19Z
last-modified:  2017-08-18T06:58:00Z
source:         RIPE # Filtered

Could be your firewall does not like talking to Russia?

      Andrew