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Date: Thu, 31 Mar 2016 09:52:53 +0200 From: Yegor Yefremov <yegorslists@...glemail.com> To: Mugunthan V N <mugunthanvnm@...com> Cc: Peter Korsgaard <peter@...sgaard.com>, 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 Thu, Mar 31, 2016 at 8:37 AM, Mugunthan V N <mugunthanvnm@...com> wrote: > On Thursday 31 March 2016 01:17 AM, Peter Korsgaard wrote: >>>>>>> "Mugunthan" == Mugunthan V N <mugunthanvnm@...com> writes: >> >> Hi, >> >> > You had received these packets as tcpdump will enable promiscuous mode >> > so that you receive all the packets from the wire. >> >> FYI, you can use the -p option to tcpdump to not put the interface into >> promiscuous mode. >> > > Thanks for the information Peter Korsgaard. > > Yegor, can you provide tcpdump using -p as well in Grygorii commands. Before VLAN configuration: # switch-config -d cpsw hw version 1.12 (0) 0 : type: vlan , vid = 1, untag_force = 0x3, reg_mcast = 0x3, unreg_mcast = 0x0, 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 = 0x0, 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 = 0x0, 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 After VLAN configuration: # switch-config -d cpsw hw version 1.12 (0) 0 : type: vlan , vid = 1, untag_force = 0x3, reg_mcast = 0x3, unreg_mcast = 0x0, 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 = 0x0, 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 = 0x0, 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 = 0x0, 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 During mulitcast receive: # switch-config -d cpsw hw version 1.12 (0) 0 : type: vlan , vid = 1, untag_force = 0x3, reg_mcast = 0x3, unreg_mcast = 0x0, 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 = 0x0, 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 = 0x0, 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 = 0x0, 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 14 : type: ucast, vid = 100, addr = 66:22:04:bc:90:26, ucast_type = untouched , port_num = 0x2 After multicast receive use case: # switch-config -d cpsw hw version 1.12 (0) 0 : type: vlan , vid = 1, untag_force = 0x3, reg_mcast = 0x3, unreg_mcast = 0x0, 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 = 0x0, 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 = 0x0, 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 = 0x0, 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 15 : type: ucast, vid = 100, addr = 66:22:04:bc:90:26, ucast_type = untouched , port_num = 0x2 Both tcpdumps with -p option showed no packets. If I execute ping, I can see related ICMP packets. addr = 66:22:04:bc:90:26 is PandaBoards MAC. Btw I've attached my test scripts (mcastr.py - multicast receiver and mcastt.py - multicast transmitter). Could you reproduce my setup? Thanks. Yegor View attachment "mcastr.py" of type "text/plain" (821 bytes) View attachment "mcastt.py" of type "text/plain" (1075 bytes)
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