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Date: Thu, 7 Jun 2012 14:54:44 +0200
From: Jean-Michel Hautbois <jhautbois@...il.com>
To: Eric Dumazet <eric.dumazet@...il.com>
Cc: Sathya.Perla@...lex.com, netdev@...r.kernel.org
Subject: Re: Difficulties to get 1Gbps on be2net ethernet card
2012/6/7 Eric Dumazet <eric.dumazet@...il.com>:
> On Thu, 2012-06-07 at 14:27 +0200, Jean-Michel Hautbois wrote:
>
>> I made some tests, and I didn't mention it : I am using the bonding
>> driver over my ethernet drivers (be2net/mlx4 etc.).
>> When I am using bonding, I need a big txqeuelen in order to send 2.4Gbps.
>> When I disable bonding, and use directly the NIC then I don't see any
>> drops in qdisc and it works well.
>> So, I think there is something between 2.6.26 and 3.0 in the bonding
>> driver which causes this issue.
>>
>
> What your bond configuration looks like ?
>
> cat /proc/net/bonding/bond0
cat /proc/net/bonding/bond1
Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: eth1
MII Status: up
MII Polling Interval (ms): 50
Up Delay (ms): 100
Down Delay (ms): 0
Slave Interface: eth1
MII Status: up
Speed: 4000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 68:b5:99:b9:8d:d4
Slave queue ID: 0
Slave Interface: eth9
MII Status: up
Speed: 4000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 78:e7:d1:68:bb:38
Slave queue ID: 0
> ifconfig -a
bond0 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d0
inet addr:192.168.250.11 Bcast:192.168.250.255 Mask:255.255.255.0
inet6 addr: fe80::6ab5:99ff:feb9:8dd0/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:6570 errors:0 dropped:74 overruns:0 frame:0
TX packets:5208 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:900993 (879.8 KiB) TX bytes:863735 (843.4 KiB)
bond1 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d4
inet addr:192.168.2.1 Bcast:192.168.2.255 Mask:255.255.255.0
inet6 addr: fe80::6ab5:99ff:feb9:8dd4/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:4096 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:15215387 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:61476524359 (57.2 GiB)
bond2 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d1
inet addr:10.11.17.190 Bcast:10.11.17.255 Mask:255.255.255.128
inet6 addr: fe80::6ab5:99ff:feb9:8dd1/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:1301996 errors:0 dropped:27 overruns:0 frame:0
TX packets:959 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1760302182 (1.6 GiB) TX bytes:502828 (491.0 KiB)
bond3 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d5
inet6 addr: fe80::6ab5:99ff:feb9:8dd5/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:942641 errors:0 dropped:0 overruns:0 frame:0
TX packets:40 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1278313720 (1.1 GiB) TX bytes:2616 (2.5 KiB)
bond4 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d2
inet addr:192.168.202.1 Bcast:192.168.202.255 Mask:255.255.255.0
inet6 addr: fe80::6ab5:99ff:feb9:8dd2/64 Scope:Link
UP BROADCAST MASTER MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:90 (90.0 B)
bond5 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d6
inet addr:192.168.203.1 Bcast:192.168.203.255 Mask:255.255.255.0
inet6 addr: fe80::6ab5:99ff:feb9:8dd6/64 Scope:Link
UP BROADCAST MASTER MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:90 (90.0 B)
bond6 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d3
inet6 addr: fe80::6ab5:99ff:feb9:8dd3/64 Scope:Link
UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
RX packets:269 errors:0 dropped:0 overruns:0 frame:0
TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:25531 (24.9 KiB) TX bytes:1046 (1.0 KiB)
bond7 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d7
UP BROADCAST MASTER 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:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
bond3.4 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d5
inet addr:192.168.201.1 Bcast:192.168.201.255 Mask:255.255.255.0
inet6 addr: fe80::6ab5:99ff:feb9:8dd5/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:942641 errors:0 dropped:0 overruns:0 frame:0
TX packets:34 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:1265116746 (1.1 GiB) TX bytes:1980 (1.9 KiB)
bond6.7 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d3
inet addr:192.168.204.1 Bcast:192.168.204.255 Mask:255.255.255.0
inet6 addr: fe80::6ab5:99ff:feb9:8dd3/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:269 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:21765 (21.2 KiB) TX bytes:468 (468.0 B)
eth0 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d0
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:6496 errors:0 dropped:0 overruns:0 frame:0
TX packets:5208 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:896849 (875.8 KiB) TX bytes:863735 (843.4 KiB)
eth1 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d4
UP BROADCAST RUNNING SLAVE MULTICAST MTU:4096 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:15215387 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:61476524359 (57.2 GiB)
eth2 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d1
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:1301996 errors:0 dropped:27 overruns:0 frame:0
TX packets:959 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1760302182 (1.6 GiB) TX bytes:502828 (491.0 KiB)
eth3 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d5
UP BROADCAST SLAVE 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)
eth4 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d2
UP BROADCAST SLAVE 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)
eth5 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d6
UP BROADCAST SLAVE 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)
eth6 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d3
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:269 errors:0 dropped:0 overruns:0 frame:0
TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:25531 (24.9 KiB) TX bytes:1046 (1.0 KiB)
eth7 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d7
UP BROADCAST SLAVE 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)
eth8 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d0
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:74 errors:0 dropped:74 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:4144 (4.0 KiB) TX bytes:0 (0.0 B)
eth9 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d4
UP BROADCAST RUNNING SLAVE MULTICAST MTU:4096 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)
eth10 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d1
UP BROADCAST SLAVE 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)
eth11 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d5
UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
RX packets:942641 errors:0 dropped:0 overruns:0 frame:0
TX packets:40 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1278313720 (1.1 GiB) TX bytes:2616 (2.5 KiB)
eth12 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d2
UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:90 (90.0 B)
eth13 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d6
UP BROADCAST SLAVE MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:90 (90.0 B)
eth14 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d3
UP BROADCAST SLAVE 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)
eth15 Link encap:Ethernet HWaddr 68:b5:99:b9:8d:d7
UP BROADCAST RUNNING SLAVE 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)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:667883 errors:0 dropped:0 overruns:0 frame:0
TX packets:667883 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:109537849 (104.4 MiB) TX bytes:109537849 (104.4 MiB)
> tc -s -d qdisc
tc -s -d qdisc
qdisc mq 0: dev eth0 root
Sent 873668 bytes 5267 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth1 root
Sent 61476524359 bytes 15215387 pkt (dropped 45683472, overlimits 0
requeues 17480)
backlog 0b 0p requeues 17480
qdisc mq 0: dev eth2 root
Sent 516248 bytes 983 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth3 root
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth4 root
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth5 root
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth6 root
Sent 1022 bytes 13 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth7 root
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth8 root
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth9 root
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth10 root
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth11 root
Sent 2448 bytes 40 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth12 root
Sent 90 bytes 1 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth13 root
Sent 90 bytes 1 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth14 root
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
backlog 0b 0p requeues 0
qdisc mq 0: dev eth15 root
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
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