[dpdk-dev] mlx5 under FreeBSD

[Shahaf Shuler]

Friday, March 1, 2019 5:58 PM, Mit Matelske:
> Subject: Re: [dpdk-dev] mlx5 under FreeBSD
> 
> I was wondering if I could lean on the experts to help me out with an issue?
> I'm finally testing this port but don't understand why the following error is
> happening:
> 
> net_mlx5: mlx5_rxq.c:2151: mlx5_hrxq_drop_new(): port 0 cannot allocate
> QP for drop queue
> 
> The driver is giving the following error corresponding with that DPDK
> message:
> 
> Feb 28 15:00:44 fb100g1 kernel: mlx5_core0: ERR: mlx5_cmd_check:701:(pid
> 6819): CREATE_TIR(0x900) op_mod(0x0) failed, status bad parameter(0x3),
> syndrome (0x569ee6)

Hard to say why. I tried to look for the syndrome above on FW but couldn't find. Are you sure this is correct one? 
Which FW version you use? 

> 
> The mlx5_core_create_tir function completes successfully for the en driver,
> just not the ib driver when trying to build the hash tables.  Any ideas?
> 
> I've instrumented libmlx5.so.1, mlx5.ko and mlx5ib.ko to debug this and
> everything looks fine according to my limited knowledge.  Not sure why the
> card is balking on this action.
> 
> Thanks!
> 
> Mit Matelske
> 
> ----- Original Message -----
> From: "stephen" <stephen at networkplumber.org>
> To: "Mit Matelske" <mit at pt.net>
> Cc: "shahafs" <shahafs at mellanox.com>, "Thomas Monjalon"
> <thomas at monjalon.net>, "dev" <dev at dpdk.org>, "Yongseok Koh"
> <yskoh at mellanox.com>
> Sent: Wednesday, November 21, 2018 2:12:04 PM
> Subject: Re: [dpdk-dev] mlx5 under FreeBSD
> 
> On Wed, 21 Nov 2018 11:11:51 -0600 (CST) Mit Matelske <mit at pt.net>
> wrote:
> 
> > >
> > > Rather than building a complex shim, why not just have an OS
> > > dependent section of the driver.  The bigger issue is that the
> > > kernel side functionality in BSD is different or missing.  For example TAP
> API is different and not multi-queue.
> >
> > Once I started working on it, I had to go this route.  I haven't been
> > able to but much time into it yet, but it is coming along:
> >
> > EAL: PCI device 0000:b3:00.0 on NUMA socket 0
> > EAL:   probe driver: 15b3:1013 net_mlx5
> > net_mlx5: mlx5.c:1315: mlx5_pci_probe(): checking device "mlx5_0"
> > uverbs0 /sys/class/infiniband_verbs/uverbs0
> > /sys/class/infiniband/mlx5_0
> > net_mlx5: mlx5.c:1325: mlx5_pci_probe(): PCI information matches for
> device "mlx5_0"
> > net_mlx5: mlx5.c:1315: mlx5_pci_probe(): checking device "mlx5_1"
> > uverbs1 /sys/class/infiniband_verbs/uverbs1
> > /sys/class/infiniband/mlx5_1
> > net_mlx5: mlx5.c:1382: mlx5_pci_probe(): no switch support detected
> > net_mlx5: mlx5.c:796: mlx5_dev_spawn(): MPW isn't supported
> > net_mlx5: mlx5.c:852: mlx5_dev_spawn(): tunnel offloading disabled due
> > to old OFED/rdma-core version
> > net_mlx5: mlx5.c:864: mlx5_dev_spawn(): MPLS over GRE/UDP tunnel
> > offloading disabled due to old OFED/rdma-core version or firmware
> > configuration
> > net_mlx5: mlx5.c:877: mlx5_dev_spawn(): naming Ethernet device
> "0000:b3:00.0"
> > net_mlx5: mlx5.c:1007: mlx5_dev_spawn(): checksum offloading is
> > supported
> > net_mlx5: mlx5.c:1024: mlx5_dev_spawn(): maximum Rx indirection table
> > size is 512
> > net_mlx5: mlx5.c:1028: mlx5_dev_spawn(): VLAN stripping is not
> > supported
> > net_mlx5: mlx5.c:1032: mlx5_dev_spawn(): FCS stripping configuration
> > is not supported
> > net_mlx5: mlx5.c:1037: mlx5_dev_spawn(): hardware Rx end alignment
> > padding is not supported
> > net_mlx5: mlx5.c:1052: mlx5_dev_spawn(): MPS is disabled
> > net_mlx5: mlx5.c:628: mlx5_uar_init_primary(): port 0 reserved UAR
> > address space: 0x880000000
> > net_mlx5: mlx5.c:1107: mlx5_dev_spawn(): port 0 MAC address is
> > 00:90:0b:78:2a:ea
> > net_mlx5: mlx5.c:1114: mlx5_dev_spawn(): port 0 ifname is "mce0"
> > net_mlx5: mlx5.c:1127: mlx5_dev_spawn(): port 0 MTU is 1500
> > net_mlx5: mlx5.c:1142: mlx5_dev_spawn(): flow rules relying on switch
> > offloads will not be supported: cannot open libmnl socket: Address
> > family not supported by protocol family
> > net_mlx5: mlx5.c:1176: mlx5_dev_spawn(): port 0 forcing Ethernet
> > interface up
> > net_mlx5: mlx5_ethdev.c:735: mlx5_link_update_unlocked_gs(): port 0
> > ioctl(SIOCGIFFLAGS) failed: No such file or directory
> > net_mlx5: mlx5_ethdev.c:664: mlx5_link_update_unlocked_gset(): port 0
> > ioctl(SIOCGIFFLAGS) failed: No such file or directory
> > net_mlx5: mlx5_rxq.c:2150: mlx5_hrxq_drop_new(): port 0 cannot
> > allocate QP for drop queue Segmentation fault (core dumped)
> >
> > Working through mlx5_ethdev now...
> >
> > Mit
> 
> Also if you are targeting Azure or Hyper-V, then don't bother porting
> TAP/VDEV_NETVSC/Failsafe model because that is being replaced by netvsc
> native PMD.  It would be easier to just get that working.
> It would mean writing a  uio equivalent driver for FreeBSD.