netmap: how to bridge 2 eth?

upyzl zj262144 at gmail.com
Mon May 12 01:44:25 UTC 2014 

seems disturbance in CentOS for netmap bridge... still not work after
that...

I'll try freebsd instead :)

p.s. not showing my reply for Adrian here...?


2014-05-05 16:15 GMT+08:00 upyzl <zj262144 at gmail.com>:

> solved
> I changed Ubuntu to CentOS 6.5 and use kernel 3.4.88 then netmap/vale
> works OK...(but this time brctl & ping cannot work...well that's off-topic)
>
>
> 2014-05-04 14:18 GMT+08:00 upyzl <zj262144 at gmail.com>:
>
> add:
>>
>> tried
>> ./vale-ctl -h vale0:eth0
>> ./vale-ctl -h vale0:eth1
>> and pinging
>>
>> get error:
>>
>> May  4 22:02:01 ubuntu kernel: [  854.827834] 121.198610 [ 425]
>> netmap_update_config      configuration changed (but fine)
>> May  4 22:02:01 ubuntu kernel: [  854.828080] 121.198860 [1456]
>> netmap_set_ringid         deprecated API, old ringid 0x0 -> ringid 0 reg 1
>> May  4 22:02:01 ubuntu kernel: [  854.828330] 121.199111 [1049]
>> netmap_mem_global_config  reconfiguring
>> May  4 22:02:14 ubuntu kernel: [  868.034578] 134.402766 [ 425]
>> netmap_update_config      configuration changed (but fine)
>> May  4 22:02:14 ubuntu kernel: [  868.034818] 134.403019 [1456]
>> netmap_set_ringid         deprecated API, old ringid 0x0 -> ringid 0 reg 1
>> May  4 22:02:44 ubuntu kernel: [  897.779633] 164.142010 [1298]
>> nm_txsync_prologue        eth0 TX1 kring error: hwcur 0 rcur 0 hwtail 511
>> cur 1 tail 511
>> May  4 22:02:44 ubuntu kernel: [  897.780009] 164.142403 [1298]
>> nm_txsync_prologue        eth1 TX0 kring error: hwcur 0 rcur 0 hwtail 511
>> cur 0 tail 511
>> May  4 22:02:44 ubuntu kernel: [  897.780284] 164.142679 [1373]
>> nm_rxsync_prologue        kring error: hwcur 0 rcur 0 hwtail 0 head 512 cur
>> 0 tail 0
>> May  4 22:02:44 ubuntu kernel: [  897.780563] 164.142944 [1549]
>> netmap_vp_rxsync_locked   ouch dangerous reset!!!
>> May  4 22:02:44 ubuntu kernel: [  897.780782] 164.143178 [1398]
>> netmap_ring_reinit        called for vale0:eth1
>> May  4 22:02:44 ubuntu kernel: [  897.780969] 164.143365 [1423]
>> netmap_ring_reinit        total 1 errors
>> May  4 22:02:44 ubuntu kernel: [  897.781145] 164.143541 [1427]
>> netmap_ring_reinit        vale0:eth1 RX0 reinit, cur 0 -> 0 tail 0 -> 0
>> May  4 22:02:44 ubuntu kernel: [  897.781393] 164.143789 [1298]
>> nm_txsync_prologue        eth1 TX0 kring error: hwcur 0 rcur 0 hwtail 511
>> cur 1 tail 511
>> May  4 22:02:44 ubuntu kernel: [  897.781664] 164.144060 [1373]
>> nm_rxsync_prologue        kring error: hwcur 0 rcur 1 hwtail 1 head 512 cur
>> 1 tail 1
>> May  4 22:02:44 ubuntu kernel: [  897.781947] 164.144343 [1549]
>> netmap_vp_rxsync_locked   ouch dangerous reset!!!
>> May  4 22:02:44 ubuntu kernel: [  897.782165] 164.144561 [1398]
>> netmap_ring_reinit        called for vale0:eth1
>> May  4 22:02:44 ubuntu kernel: [  897.782355] 164.144751 [1423]
>> netmap_ring_reinit        total 1 errors
>> May  4 22:02:44 ubuntu kernel: [  897.782533] 164.144929 [1427]
>> netmap_ring_reinit        vale0:eth1 RX0 reinit, cur 1 -> 0 tail 1 -> 1
>> May  4 22:02:44 ubuntu kernel: [  897.782783] 164.145178 [1298]
>> nm_txsync_prologue        eth1 TX1 kring error: hwcur 0 rcur 0 hwtail 511
>> cur 1 tail 511
>> May  4 22:02:45 ubuntu kernel: [  898.776184] 165.138378 [1298]
>> nm_txsync_prologue        eth1 TX0 kring error: hwcur 0 rcur 0 hwtail 511
>> cur 1 tail 511
>> May  4 22:02:45 ubuntu kernel: [  898.776493] 165.138694 [1373]
>> nm_rxsync_prologue        kring error: hwcur 0 rcur 1 hwtail 1 head 512 cur
>> 1 tail 1
>> May  4 22:02:45 ubuntu kernel: [  898.776765] 165.138966 [1549]
>> netmap_vp_rxsync_locked   ouch dangerous reset!!!
>> May  4 22:02:45 ubuntu kernel: [  898.776987] 165.139189 [1398]
>> netmap_ring_reinit        called for vale0:eth1
>> May  4 22:02:45 ubuntu kernel: [  898.777177] 165.139379 [1423]
>> netmap_ring_reinit        total 1 errors
>> May  4 22:02:45 ubuntu kernel: [  898.777357] 165.139558 [1427]
>> netmap_ring_reinit        vale0:eth1 RX0 reinit, cur 1 -> 0 tail 1 -> 1
>> May  4 22:02:45 ubuntu kernel: [  898.777624] 165.139825 [1298]
>> nm_txsync_prologue        eth1 TX0 kring error: hwcur 0 rcur 0 hwtail 511
>> cur 2 tail 511
>> May  4 22:02:45 ubuntu kernel: [  898.777896] 165.140097 [1373]
>> nm_rxsync_prologue        kring error: hwcur 0 rcur 2 hwtail 2 head 512 cur
>> 2 tail 2
>> May  4 22:02:45 ubuntu kernel: [  898.778159] 165.140361 [1549]
>> netmap_vp_rxsync_locked   ouch dangerous reset!!!
>>
>>
>> then finally kernel panic/crash...
>>
>>
>> 2014-05-03 14:44 GMT+08:00 upyzl <zj262144 at gmail.com>:
>>
>> Hi all
>>>
>>> I'm doing to implement a simple openflow-based software switch(not same
>>> as OVS, much simpler to OVS)
>>> and I choose netmap for the network framework
>>>
>>> Now I try to do a simplest thing:
>>>
>>> there's 3 VMs, all are Ubuntu 12.04.4 x64
>>> 2 act as hosts, other 1 act as switch
>>>
>>> topo:  [host1] eth0 ----- eth0 [switch] eth1 ----- eth0 [host2]
>>>
>>> I want to bridge switch's eth0&eth1 (like "brctl" in linux), then host1
>>> ping host2
>>>
>>> the problem is, how to bridge using netmap?
>>>
>>> I tried example "bridge" in netmap project(git clone
>>> https://code.google.com/p/netmap/):
>>> ./bridge -i netmap:eth0 -i netmap:eth1
>>> then host1 ping to host2
>>> but pinging result is "Destination Host Unreachable" (if using brctl,
>>> pinging is fine)
>>>
>>> Then I tried vale-ctl
>>> but i dont know how to use it...
>>> e.g.
>>> ./vale-ctl -a eth0
>>> show
>>> "eth0: Invalid argument"
>>>
>>> could anyone help me?
>>>
>>
>>
>

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