netdev - Re: am335x: no multicast reception over VLAN

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Message-ID: <CAGm1_ksvEdk-mF-hW4o5+bri6J6sMgnQQVD3j-e7xm6PsP8k0A@mail.gmail.com>
Date:	Tue, 29 Mar 2016 14:35:02 +0200
From:	Yegor Yefremov <yegorslists@...glemail.com>
To:	Grygorii Strashko <grygorii.strashko@...com>
Cc:	Mugunthan V N <mugunthanvnm@...com>,
	netdev <netdev@...r.kernel.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	drivshin@...worx.com, ml@...kusgrimm.de
Subject: Re: am335x: no multicast reception over VLAN

On Tue, Mar 29, 2016 at 1:05 PM, Grygorii Strashko
<grygorii.strashko@...com> wrote:
> On 03/29/2016 08:21 AM, Yegor Yefremov wrote:
>> Hi Mugunthan,
>>
>> On Tue, Mar 29, 2016 at 6:00 AM, Mugunthan V N <mugunthanvnm@...com> wrote:
>>> Hi Yegor
>>>
>>> On Wednesday 16 March 2016 08:35 PM, Yegor Yefremov wrote:
>>>> I have an am335x based board using CPSW in Dual EMAC mode. Without
>>>> VLAN IDs I can receive and send multicast packets [1]. When I create
>>>> VLAN ID:
>>>>
>>>> ip link add link eth1 name eth1.100 type vlan id 100
>>>> ip addr add 192.168.100.2/24 brd 192.168.100.255 dev eth1.100
>>>> route add -net 224.0.0.0 netmask 224.0.0.0 eth1.100
>>>>
>>>> I can successfully send multicast packets, but not receive them. On
>>>> the other side of the Ethernet cable I've used Pandaboard. Pandaboard
>>>> could both receive and send multicast packets via VLAN.
>>>
>>> Are you trying multicast tx/rx on eth1 or eth1.100?
>>
>> I'm trying multicast tx/rx on eth1.100.
>>
>> eth1 has no problems.
>>
>
> it'd be nice if will be able to post here output fom commands:
> # switch-config -d [git://git.ti.com/switch-config/switch-config.git v4.1]
> # ifconfig -a
> # tcpdump -e -f -Q in -i eth0
> # tcpdump -e -f -Q in -i eth0.100

Which kernel/branch do you want me to test?

git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git and ti-rt-linux-4.1.y?

So far I was using vanilla kernel.

Yegor