liquidio-II openvswitch kernel module and env init

liovswgogo.sh

modprobe liquidio fw_type=vsw                                                   
echo 50 > /sys/bus/pci/devices/0000:01:00.0/sriov_numvfs                        
echo 50 > /sys/bus/pci/devices/0000:01:00.1/sriov_numvfs                        
                                                                                
                                                                                
PF0=eth0                                                                        
PF1=eth1                                                                        
LIO_BOND_MGMT=lio-bond-mgmt                                                     
LIO_MACVLAN_PF0=lio-mcvlan0                                                     
LIO_MACVLAN_PF1=lio-mcvlan1                                                     
                                                                                
LIO_HOST_MGMT_IP4_ADDR="169.254.1.2"                                            
LIO_MGMT_IP4_ADDR="169.254.1.1"                                                 
LIO_MGMT_IP4_MASK=16                                                            
                                                                                
ip link set $PF0 up                                                             
ip link set $PF1 up                                                             
ip link add $LIO_MACVLAN_PF0 link $PF0 type macvlan                             
ip link add $LIO_MACVLAN_PF1 link $PF1 type macvlan                             
                                                                                
ip link add $LIO_BOND_MGMT type bond                                            
echo balance-rr > /sys/class/net/$LIO_BOND_MGMT/bonding/mode                    
ip link set $LIO_MACVLAN_PF0 master $LIO_BOND_MGMT                              
ip link set $LIO_MACVLAN_PF1 master $LIO_BOND_MGMT                              
                                                                                
ip addr add $LIO_HOST_MGMT_IP4_ADDR/$LIO_MGMT_IP4_MASK dev $LIO_BOND_MGMT       
ip link set $LIO_BOND_MGMT up 

Notes

tl;dr

• no link, no ping
• wipes data

details

• you can get the vsw firmware lio_23xx_vsw.bin from older kernel mods. it was removed due to a CVE. IMO you can fix that CVE by editing the embedded filesystem in the kernel module. IMHO it also doesn't effing matter.
• the whole thing only works if you have actual link on at least one port
• autoneg to 10gbit likely won't work
• not all dac cables work even at 25g (even if you can query it from both ends)
• 25g might give some error about FEC variables. it should autodetect that but it seems it doesn't. YMMV, set them if needed.
• ssh pw must be bruteforced and then changed
• use binwalk and cpio to get the passwd file(*)
• unclear if OVS is externally reachable
• unclear if OVS is properly initialized, I only see a single guid in ovs-vsctl show
• loading the vsw firmware expects a clean eMMC. it will attempt to wipe/format it if needed. It'll use ext2 for some partitions so test this on a NIC where you don't have anything you care about
• if you restart the card, the firmware appears to not be reloadaed by the driver
• do not use up the maximum sriov_numvfs; IIRC you need one or two for the pf itself and it's not automatically reserved!
• there are some boot errors in early boot stage where it still fails to mount something, those might affect state persistence

(*) I'll publish it once I know more. there was a CVE regarding the OVS or root password I think so it's something trivial

I'll update this when I made progress (waiting for more, different DAC cables to find what will link up). Testing with a Cisco Passive DAC next, and after that an active Cisco DAC. That's just like $100 for those two tries so... not cool.
I don't have loads of 25Gbit/s ports... I'm right here trying to make them more accessible, right?