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Date: Wed, 30 Mar 2016 10:35:01 +0200
From: Yegor Yefremov <yegorslists@...glemail.com>
To: Mugunthan V N <mugunthanvnm@...com>
Cc: Grygorii Strashko <grygorii.strashko@...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 Wed, Mar 30, 2016 at 7:33 AM, Mugunthan V N <mugunthanvnm@...com> wrote:
> On Tuesday 29 March 2016 06:14 PM, Grygorii Strashko wrote:
>> On 03/29/2016 03:35 PM, Yegor Yefremov wrote:
>>> 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.
>>
>> Your branch (but better 4.5 kernels (or 4.4)).
>> Just when you've done with configuration run cmds 1&2,
>> and when you run your use-case - run cmds 2&3 on receiver side (grap ~5-10 packets).
>> then stop test and run cmd 1 again.
>>
>> After all could you provide your console output here, pls.
>>
>>
>
> To use command 1, you need TI kernel [1] as it won't build with vanilla
> kernel.
>
> [1]: git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-linux-4.1.y
# uname -a
Linux buildroot 4.1.18 #1 SMP Wed Mar 30 09:48:37 CEST 2016 armv7l GNU/Linux
# switch-config -d
cpsw hw version 1.12 (0)
0 : type: vlan , vid = 1, untag_force = 0x3, reg_mcast = 0x3,
unreg_mcast = 0x1, member_list = 0x3
1 : type: mcast, vid = 1, addr = ff:ff:ff:ff:ff:ff, mcast_state = f,
no super, port_mask = 0x3
2 : type: ucast, vid = 1, addr = 74:6a:8f:00:16:12, ucast_type =
persistant, port_num = 0x0, Secure
3 : type: vlan , vid = 0, untag_force = 0x7, reg_mcast = 0x0,
unreg_mcast = 0x1, member_list = 0x7
4 : type: mcast, vid = 1, addr = 01:00:5e:00:00:01, mcast_state = f,
no super, port_mask = 0x3
5 : type: vlan , vid = 2, untag_force = 0x5, reg_mcast = 0x5,
unreg_mcast = 0x1, member_list = 0x5
6 : type: mcast, vid = 2, addr = ff:ff:ff:ff:ff:ff, mcast_state = f,
no super, port_mask = 0x5
7 : type: ucast, vid = 2, addr = 74:6a:8f:00:16:13, ucast_type =
persistant, port_num = 0x0, Secure
8 : type: mcast, vid = 2, addr = 01:00:5e:00:00:01, mcast_state = f,
no super, port_mask = 0x5
9 : type: vlan , vid = 100, untag_force = 0x0, reg_mcast = 0x5,
unreg_mcast = 0x1, member_list = 0x5
10 : type: ucast, vid = 100, addr = 74:6a:8f:00:16:13, ucast_type =
persistant, port_num = 0x0
11 : type: mcast, vid = 100, addr = ff:ff:ff:ff:ff:ff, mcast_state =
f, no super, port_mask = 0x5
12 : type: mcast, vid = 2, addr = 01:80:c2:00:00:21, mcast_state = f,
no super, port_mask = 0x5
13 : type: mcast, vid = 2, addr = 01:00:5e:03:1d:47, mcast_state = f,
no super, port_mask = 0x5
# ifconfig -a
can0 Link encap:UNSPEC HWaddr
00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
NOARP MTU:16 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:10
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:165
eth0 Link encap:Ethernet HWaddr 74:6A:8F:00:16:12
inet addr:192.168.254.254 Bcast:0.0.0.0 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:175
eth1 Link encap:Ethernet HWaddr 74:6A:8F:00:16:13
inet addr:192.168.1.233 Bcast:0.0.0.0 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:245 errors:0 dropped:0 overruns:0 frame:0
TX packets:123 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:40995 (40.0 KiB) TX bytes:14086 (13.7 KiB)
eth1.100 Link encap:Ethernet HWaddr 74:6A:8F:00:16:13
inet addr:192.168.100.2 Bcast:192.168.100.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:65 errors:0 dropped:0 overruns:0 frame:0
TX packets:51 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:8369 (8.1 KiB) TX bytes:6340 (6.1 KiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:4 errors:0 dropped:0 overruns:0 frame:0
TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:344 (344.0 B) TX bytes:344 (344.0 B)
# tcpdump -e -f -Q in -i eth1
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 262144 bytes
00:47:40.240731 06:15:4d:85:61:1e (oui Unknown) > 01:00:5e:03:1d:47
(oui Unknown), ethertype 802.1Q (0x8100), length 65: vlan 100, p 0,
ethertype IPv4, 192.168.100.1.59870 > 224.3.29.71.10000: UDP, length
19
00:47:45.259285 06:15:4d:85:61:1e (oui Unknown) > 74:6a:8f:00:16:13
(oui Unknown), ethertype 802.1Q (0x8100), length 60: vlan 100, p 0,
ethertype ARP, Reply 192.168.100.1 is-at 06:15:4d:85:61:1e (oui
Unknown), length 42
# tcpdump -e -f -Q in -i eth1.100
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1.100, link-type EN10MB (Ethernet), capture size 262144 bytes
00:48:52.477500 06:15:4d:85:61:1e (oui Unknown) > 01:00:5e:03:1d:47
(oui Unknown), ethertype IPv4 (0x0800), length 61: 192.168.100.1.54382
> 224.3.29.71.10000: UDP, length 19
00:48:57.486437 06:15:4d:85:61:1e (oui Unknown) > 74:6a:8f:00:16:13
(oui Unknown), ethertype ARP (0x0806), length 56: Reply 192.168.100.1
is-at 06:15:4d:85:61:1e (oui Unknown), length 42
What does "no super" mean and where can I see the "--fwd-state <value
0-3>" value/description?
Yegor
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