Chelsio netmap support ? (RELENG_11)

[Navdeep Parhar]

Is it possible for you to run 10-STABLE?  The netmap support in cxgbe
was enhanced and uses the general purpose 'vcxl' interfaces now.  You
can enable them with hw.cxgbe.num_vis=2 in loader.conf.

If -STABLE is not an option then check if you built your kernel with
device NETMAP.  config -x /boot/kernel/kernel | grep -i netmap.  cxgbe
has compile time checks for netmap so loadable netmap module may not
work.

Regards,
Navdeep

On Tue, Mar 7, 2017 at 11:36 AM, Mike Tancsa <mike at sentex.net> wrote:
> I have a Chelsio T520 NIC that I have been trying to get netmap working
> with. I see reference to the ncxl# vs cxl# interface on the lists, but I
> never see ncxl come up.  The man pages dont say anything about having to
> specifically enable anything that I can see.  I am using RELENG11 as of
> today (r314848).
>
>         ---Mike
>
> t5nex0 at pci0:2:0:4:      class=0x020000 card=0x00001425 chip=0x54071425
> rev=0x00 hdr=0x00
>     vendor     = 'Chelsio Communications Inc'
>     device     = 'T520-SO Unified Wire Ethernet Controller'
>     class      = network
>     subclass   = ethernet
>     bar   [10] = type Memory, range 64, base 0xdd300000, size 524288,
> enabled
>     bar   [18] = type Memory, range 64, base 0xdc000000, size 16777216,
> enabled
>     bar   [20] = type Memory, range 64, base 0xdd884000, size 8192, enabled
>     cap 01[40] = powerspec 3  supports D0 D3  current D0
>     cap 05[50] = MSI supports 32 messages, 64 bit, vector masks
>     cap 10[70] = PCI-Express 2 endpoint max data 256(2048) FLR RO NS
>                  link x8(x8) speed 8.0(8.0)
>     cap 11[b0] = MSI-X supports 256 messages, enabled
>                  Table in map 0x20[0x0], PBA in map 0x20[0x1000]
>     cap 03[d0] = VPD
>     ecap 0001[100] = AER 2 0 fatal 0 non-fatal 1 corrected
>     ecap 0003[170] = Serial 1 0000000000000000
>     ecap 000e[190] = ARI 1
>     ecap 0019[1a0] = PCIe Sec 1 lane errors 0
>     ecap 0010[1c0] = SR-IOV 1 IOV disabled, Memory Space disabled, ARI
> disabled
>                      0 VFs configured out of 0 supported
>                      First VF RID Offset 0x0008, VF RID Stride 0x0004
>                      VF Device ID 0x5807
>                      Page Sizes: 4096 (enabled), 8192, 65536, 262144,
> 1048576, 4194304
>     ecap 0017[200] = TPH Requester 1
>
> netmap seems to activate on the onboard igb NICs.
> # dmesg | grep -i netma
> netmap: loaded module
> igb0: netmap queues/slots: TX 4/1024, RX 4/1024
> igb1: netmap queues/slots: TX 4/1024, RX 4/1024
>
> # ifconfig cxl1
> cxl1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
>
> options=ec07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
>         ether 00:07:43:39:9d:b8
>         inet 10.151.10.1 netmask 0xffffff00 broadcast 10.151.10.255
>         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>         media: Ethernet 10Gbase-Twinax <full-duplex>
>         status: active
>         plugged: SFP/SFP+/SFP28 Unknown (Copper pigtail)
>         vendor: CISCO-TYCO PN: 1-2053783-2 SN: TED1605BGWC DATE: 2016-02-01
>
>         ---Mike
>
> --
> -------------------
> Mike Tancsa, tel +1 519 651 3400
> Sentex Communications, mike at sentex.net
> Providing Internet services since 1994 www.sentex.net
> Cambridge, Ontario Canada   http://www.tancsa.com/
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