On 2025-02-03, Julian Huhn <jul...@huhn.dev> wrote:
> Moin!
>
> I'm trying to connect to an Internet exchange with a bnxt(4) interface, but I 
> only get 10GbaseSR as the media type, not 10GbaseLR as expected. When I try 
> to 
> set the media type manually, it fails with an "Invalid argument". In fact, 
> 10GbaseLR isn't listed as a supported media type for the interface. Is this 
> correct? Is SR the only supported mode on this type of network card?

You can't switch between SR and LR in software, it's dependent on
the transceiver.

Is it working OK anyway? (i.e. is this just a cosmetic issue?)

> I'm not a good programmer, but in sys/dev/pci/if_bnxt.c I see no indication 
> that 
> 10GbaseLR is not supported.
>
> To provide some more context: The system is a VM on Proxmox with the network 
> card passed through. The network card is a Broadcom P225p. The SFP module is 
> made for 10G SFP+ LR.
>
> I hope I have attached all the necessary information.
>
> --Huhn
>
> # ifconfig bnxt0 media 10GbaseLR
> ifconfig: bnxt0: SIOCSIFMEDIA: Invalid argument
>
> # ifconfig bnxt0 media
> bnxt0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>          lladdr 6c:92:cf:12:94:e0
>          index 1 priority 0 llprio 3
>          media: Ethernet autoselect (10GbaseSR full-duplex)
>          status: active
>          supported media:
>                  media 1000baseSX
>                  media 10GbaseSR
>                  media 25GbaseSR
>                  media autoselect
>
> # ifconfig bnxt0 transceiver
> bnxt0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>          lladdr 6c:92:cf:12:94:e0
>          index 1 priority 0 llprio 3
>          media: Ethernet autoselect (10GbaseSR full-duplex)
>          status: active
>          transceiver: SFP LC, 1310 nm, 10.0km SMF
>          model: FLEXOPTIX P.1396.10 rev A
>          serial: F78R35W, date: 2018-07-09
>          voltage: 3.16 V, bias current: 35.16 mA
>          temp: 35.59 C (low -25.00 C, high 90.00 C)
>          tx: -2.16 dBm (low -7.00 dBm, high 2.50 dBm)
>          rx: -5.12 dBm (low -16.00 dBm, high 1.00 dBm)
>
> # pcidump -v 1:0:0
>   1:0:0: Broadcom BCM57414
>          0x0000: Vendor ID: 14e4, Product ID: 16d7
>          0x0004: Command: 0006, Status: 0010
>          0x0008: Class: 02 Network, Subclass: 00 Ethernet,
>                  Interface: 00, Revision: 01
>          0x000c: BIST: 00, Header Type: 00, Latency Timer: 00,
>                  Cache Line Size: 00
>          0x0010: BAR mem prefetchable 64bit addr: 
> 0x00000000c2000000/0x00010000
>          0x0018: BAR mem prefetchable 64bit addr: 
> 0x00000000c2100000/0x00100000
>          0x0020: BAR mem prefetchable 64bit addr: 
> 0x0000000000000000/0x00002000
>          0x0028: Cardbus CIS: 00000000
>          0x002c: Subsystem Vendor ID: 14e4 Product ID: 1402
>          0x0030: Expansion ROM Base Address: 00000000
>          0x0038: 00000000
>          0x003c: Interrupt Pin: 01 Line: 0a Min Gnt: 00 Max Lat: 00
>          0x0048: Capability 0x01: Power Management
>                  State: D0
>          0x0050: Capability 0x03: Vital Product Data (VPD)
>                  Product Name: Broadcom P225p NetXtreme-E Dual-port 10Gb/25Gb 
> Ethernet PCIe Adapter
> [|vpd]
>          0x00a0: Capability 0x11: Extended Message Signalled Interrupts 
> (MSI-X)
>                  Enabled: yes; table size 148 (BAR 4:0)
>          0x00ac: Capability 0x10: PCI Express
>                  Max Payload Size: 512 / 512 bytes
>                  Max Read Request Size: 512 bytes
>                  Link Speed: 8.0 / 8.0 GT/s
>                  Link Width: x8 / x8
>          0x0100: Enhanced Capability 0x01: Advanced Error Reporting
>          0x013c: Enhanced Capability 0x03: Device Serial Number
>                  Serial Number: 6c92cffffe1294e0
>          0x0150: Enhanced Capability 0x04: Power Budgeting
>          0x0160: Enhanced Capability 0x02: Virtual Channel Capability
>          0x0180: Enhanced Capability 0x0b: Vendor-Specific
>          0x01b0: Enhanced Capability 0x18: Latency Tolerance Reporting
>          0x0230: Enhanced Capability 0x17: TPH Requester
>
> # dmesg
> OpenBSD 7.6 (GENERIC.MP) #0: Thu Jan  9 07:32:40 MST 2025
>      
> r...@syspatch-76-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 17144750080 (16350MB)
> avail mem = 16601751552 (15832MB)
> random: good seed from bootblocks
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0: SMBIOS rev. 2.8 @ 0x7f917000 (10 entries)
> bios0:
> bios0: QEMU Standard PC (Q35 + ICH9, 2009)
> efi0 at bios0: UEFI 2.7
> efi0: EFI Development Kit II / OVMF rev 0x10000
> acpi0 at bios0: ACPI 3.0
> acpi0: sleep states S3 S4 S5
> acpi0: tables DSDT FACP APIC SSDT HPET MCFG WAET BGRT
> acpi0: wakeup devices
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: AMD Ryzen 7 9700X 8-Core Processor, 3793.05 MHz, 1a-44-00
> cpu0: cpuid 1 
> edx=178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT>
>  
> ecx=f7f83203<SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,HV>
> cpu0: cpuid 6 eax=4<ARAT>
> cpu0: cpuid 7.0 
> ebx=f1bf07ab<FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,AVX512F,AVX512DQ,RDSEED,ADX,SMAP,AVX512IFMA,CLFLUSHOPT,CLWB,AVX512CD,SHA,AVX512BW,AVX512VL>
>  ecx=18405f4e<AVX512VBMI,UMIP,PKU> edx=bc000110<IBRS,IBPB,STIBP,L1DF,SSBD>
> cpu0: cpuid d.1 eax=f<XSAVEOPT,XSAVEC,XGETBV1,XSAVES>
> cpu0: cpuid 80000001 edx=2fd3fbff<NXE,MMXX,FFXSR,PAGE1GB,RDTSCP,LONG> 
> ecx=8003f7<LAHF,CMPLEG,SVM,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,CPCTR>
> cpu0: cpuid 80000008 ebx=1302d205<IBPB,IBRS,STIBP,STIBP_ALL,SSBD,VIRTSSBD>
> cpu0: 64KB 64b/line 2-way D-cache, 64KB 64b/line 2-way I-cache
> cpu0: 512KB 64b/line 16-way L2 cache
> cpu0: smt 0, core 0, package 0
> mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
> cpu0: apic clock running at 1000MHz
> cpu1 at mainbus0: apid 1 (application processor)
> cpu1: AMD Ryzen 7 9700X 8-Core Processor, 3792.96 MHz, 1a-44-00
> cpu1: smt 0, core 1, package 0
> cpu2 at mainbus0: apid 2 (application processor)
> cpu2: AMD Ryzen 7 9700X 8-Core Processor, 3793.01 MHz, 1a-44-00
> cpu2: smt 0, core 2, package 0
> cpu3 at mainbus0: apid 3 (application processor)
> cpu3: AMD Ryzen 7 9700X 8-Core Processor, 3793.03 MHz, 1a-44-00
> cpu3: smt 0, core 3, package 0
> ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins
> acpihpet0 at acpi0: 100000000 Hz
> acpimcfg0 at acpi0
> acpimcfg0: addr 0xb0000000, bus 0-255
> acpiprt0 at acpi0: bus 0 (PCI0)
> "ACPI0006" at acpi0 not configured
> acpipci0 at acpi0 PCI0: 0x00000010 0x00000011 0x00000000
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> "QEMU0002" at acpi0 not configured
> acpicmos0 at acpi0
> "ACPI0010" at acpi0 not configured
> "QEMUVGID" at acpi0 not configured
> acpicpu0 at acpi0: C1(@1 halt!)
> acpicpu1 at acpi0: C1(@1 halt!)
> acpicpu2 at acpi0: C1(@1 halt!)
> acpicpu3 at acpi0: C1(@1 halt!)
> pvbus0 at mainbus0: KVM
> pvclock0 at pvbus0
> pci0 at mainbus0 bus 0
> 0:28:0: bridge io address conflict 0xd000/0x1000
> 0:28:0: bridge mem address conflict 0x380000000000/0x800000000
> 0:28:1: bridge mem address conflict 0x380800000000/0x800000000
> 0:28:2: bridge mem address conflict 0x381000000000/0x800000000
> 0:28:3: bridge mem address conflict 0x381800000000/0x800000000
> 0:30:0: bridge mem address conflict 0x382000000000/0x2000000000
> pchb0 at pci0 dev 0 function 0 "Intel 82G33 Host" rev 0x00
> "Bochs VGA" rev 0x02 at pci0 dev 1 function 0 not configured
> uhci0 at pci0 dev 26 function 0 "Intel 82801I USB" rev 0x03: apic 0 int 16
> uhci1 at pci0 dev 26 function 1 "Intel 82801I USB" rev 0x03: apic 0 int 17
> uhci2 at pci0 dev 26 function 2 "Intel 82801I USB" rev 0x03: apic 0 int 18
> ehci0 at pci0 dev 26 function 7 "Intel 82801I USB" rev 0x03: apic 0 int 19
> usb0 at ehci0: USB revision 2.0
> uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
> addr 1
> azalia0 at pci0 dev 27 function 0 "Intel 82801I HD Audio" rev 0x03: msi
> azalia0: no HD-Audio codecs
> ppb0 at pci0 dev 28 function 0 "Red Hat PCIE" rev 0x00: apic 0 int 16
> pci1 at ppb0 bus 1
> 1:0:0: mem address conflict 0x380000100000/0x10000
> 1:0:0: mem address conflict 0x380000000000/0x100000
> 1:0:0: mem address conflict 0x380000110000/0x2000
> bnxt0 at pci1 dev 0 function 0 "Broadcom BCM57414" rev 0x01: fw ver 
> 231.0.153, msix, 4 queues, address 6c:92:cf:12:94:e0
> ppb1 at pci0 dev 28 function 1 "Red Hat PCIE" rev 0x00: apic 0 int 16
> pci2 at ppb1 bus 2
> ppb2 at pci0 dev 28 function 2 "Red Hat PCIE" rev 0x00: apic 0 int 16
> pci3 at ppb2 bus 3
> ppb3 at pci0 dev 28 function 3 "Red Hat PCIE" rev 0x00: apic 0 int 16
> pci4 at ppb3 bus 4
> uhci3 at pci0 dev 29 function 0 "Intel 82801I USB" rev 0x03: apic 0 int 16
> uhci4 at pci0 dev 29 function 1 "Intel 82801I USB" rev 0x03: apic 0 int 17
> uhci5 at pci0 dev 29 function 2 "Intel 82801I USB" rev 0x03: apic 0 int 18
> ehci1 at pci0 dev 29 function 7 "Intel 82801I USB" rev 0x03: apic 0 int 19
> usb1 at ehci1: USB revision 2.0
> uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
> addr 1
> ppb4 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0x92
> pci5 at ppb4 bus 5
> 5:1:0: bridge mem address conflict 0x383800000000/0x800000000
> 5:4:0: bridge mem address conflict 0x382000000000/0x800000000
> ppb5 at pci5 dev 1 function 0 "Red Hat Qemu PCI-PCI" rev 0x00
> pci6 at ppb5 bus 6
> 6:3:0: mem address conflict 0x383800004000/0x4000
> 6:18:0: mem address conflict 0x383800000000/0x4000
> virtio0 at pci6 dev 3 function 0 "Qumranet Virtio Memory Balloon" rev 0x00
> viomb0 at virtio0
> virtio0: apic 0 int 20
> virtio1 at pci6 dev 18 function 0 "Qumranet Virtio Network" rev 0x00
> vio0 at virtio1, address bc:24:11:7d:0d:c8
> virtio1: msix per-VQ
> ppb6 at pci5 dev 2 function 0 "Red Hat Qemu PCI-PCI" rev 0x00
> pci7 at ppb6 bus 7
> ppb7 at pci5 dev 3 function 0 "Red Hat Qemu PCI-PCI" rev 0x00
> pci8 at ppb7 bus 8
> ppb8 at pci5 dev 4 function 0 "Red Hat Qemu PCI-PCI" rev 0x00
> pci9 at ppb8 bus 9
> 9:1:0: mem address conflict 0x382000000000/0x4000
> virtio2 at pci9 dev 1 function 0 "Qumranet Virtio SCSI" rev 0x00
> vioscsi0 at virtio2: qsize 256
> scsibus1 at vioscsi0: 255 targets
> sd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU HARDDISK, 2.5+>
> sd0: 40960MB, 512 bytes/sector, 83886080 sectors, thin
> virtio2: msix per-VQ
> pcib0 at pci0 dev 31 function 0 "Intel 82801IB LPC" rev 0x02
> ahci0 at pci0 dev 31 function 2 "Intel 82801I AHCI" rev 0x02: msi, AHCI 1.0
> ahci0: port 1: 1.5Gb/s
> scsibus2 at ahci0: 32 targets
> cd0 at scsibus2 targ 1 lun 0: <QEMU, QEMU DVD-ROM, 2.5+> removable
> ichiic0 at pci0 dev 31 function 3 "Intel 82801I SMBus" rev 0x02: SMBus 
> disabled
> usb2 at uhci0: USB revision 1.0
> uhub2 at usb2 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> usb3 at uhci1: USB revision 1.0
> uhub3 at usb3 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> usb4 at uhci2: USB revision 1.0
> uhub4 at usb4 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> usb5 at uhci3: USB revision 1.0
> uhub5 at usb5 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> usb6 at uhci4: USB revision 1.0
> uhub6 at usb6 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> usb7 at uhci5: USB revision 1.0
> uhub7 at usb7 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 
> addr 1
> isa0 at pcib0
> isadma0 at isa0
> pckbc0 at isa0 port 0x60/5 irq 1 irq 12
> pckbd0 at pckbc0 (kbd slot)
> wskbd0 at pckbd0: console keyboard
> pms0 at pckbc0 (aux slot)
> wsmouse0 at pms0 mux 0
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> vmm0 at mainbus0: SVM/RVI
> efifb0 at mainbus0: 2048x2048, 32bpp
> wsdisplay0 at efifb0 mux 1: console (std, vt100 emulation), using wskbd0
> wsdisplay0: screen 1-5 added (std, vt100 emulation)
> uhidev0 at uhub1 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" 
> rev 2.00/0.00 addr 2
> uhidev0: iclass 3/0
> ums0 at uhidev0: 3 buttons, Z dir
> wsmouse1 at ums0 mux 0
> vscsi0 at root
> scsibus3 at vscsi0: 256 targets
> softraid0 at root
> scsibus4 at softraid0: 256 targets
> sd1 at scsibus4 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006>
> sd1: 40699MB, 512 bytes/sector, 83352975 sectors
> root on sd1a (c1f30a94afa98bd1.a) swap on sd1b dump on sd1b
>
>


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