solved: Re: Chelsio T520-SO-CR low performance (netmap tested) for RX

[Marcus Cenzatti]

On 1/24/2016 at 1:20 AM, "Adrian Chadd" <adrian at freebsd.org> wrote:
>
>[snip]
>
>You should be able to run with cxl0 down but ncxl0 up. If that 
>doesn't
>work then it's a bug. It worked when I last tried 40g bridging 
>(about
>5 months ago.)
>
>Try that manually - ifconfig cxl0 down; ifconfig ncxl0 up
>
>

tried, ncxl really won't up while cxl is down, here you are:

chelsio# ifconfig cxl0 down
chelsio# ifconfig ncxl0 up

chelsio# ifconfig cxl0
cxl0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
	options=ec00bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
	ether 00:07:43:33:8d:c0
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 10Gbase-SR <full-duplex>
	status: no carrier

chelsio# ifconfig ncxl0
ncxl0: flags=28943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST,PPROMISC> metric 0 mtu 1500
	ether 00:07:43:33:8d:c1
	inet 172.16.0.1 netmask 0xffffff00 broadcast 172.16.0.255
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 10Gbase-SR <full-duplex>
	status: no carrier

chelsio# ifconfig ncxl0 up

(insisted)

chelsio# ifconfig cxl0
cxl0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
	options=ec00bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
	ether 00:07:43:33:8d:c0
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 10Gbase-SR <full-duplex>
	status: no carrier

chelsio# ifconfig ncxl0
ncxl0: flags=28943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST,PPROMISC> metric 0 mtu 1500
	ether 00:07:43:33:8d:c1
	inet 172.16.0.1 netmask 0xffffff00 broadcast 172.16.0.255
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 10Gbase-SR <full-duplex>
	status: no carrier

chelsio# ifconfig cxl0 up

chelsio# ifconfig cxl0
cxl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
	options=ec00bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
	ether 00:07:43:33:8d:c0
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 10Gbase-SR <full-duplex>
	status: active

chelsio# ifconfig ncxl0
ncxl0: flags=28943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST,PPROMISC> metric 0 mtu 1500
	ether 00:07:43:33:8d:c1
	inet 172.16.0.1 netmask 0xffffff00 broadcast 172.16.0.255
	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
	media: Ethernet 10Gbase-SR <full-duplex>
	status: active
chelsio#