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# This is a version of net-description.rules for /sys/class/infiniband devices

ACTION=="remove", GOTO="rdma_description_end"
SUBSYSTEM!="infiniband", GOTO="rdma_description_end"

# NOTE: DRIVERS searches up the sysfs path to find the driver that is bound to
# the PCI/etc device that the RDMA device is linked to. This is not the kernel
# driver that is supplying the RDMA device (eg as seen in ID_NET_DRIVER)

# FIXME: with kernel support we could actually detect the protocols the RDMA
# driver itself supports, this is a work around for lack of that support.
# In future we could do this with a udev IMPORT{program} helper program
# that extracted the ID information from the RDMA netlink.

# Hardware that supports InfiniBand
DRIVERS=="ib_mthca", ENV{ID_RDMA_INFINIBAND}="1"
DRIVERS=="mlx4_core", ENV{ID_RDMA_INFINIBAND}="1"
DRIVERS=="mlx5_core", ENV{ID_RDMA_INFINIBAND}="1"
DRIVERS=="ib_qib", ENV{ID_RDMA_INFINIBAND}="1"

# Hardware that supports OPA
DRIVERS=="hfi1", ENV{ID_RDMA_OPA}="1"

# Hardware that supports iWarp
DRIVERS=="cxgb4", ENV{ID_RDMA_IWARP}="1"
DRIVERS=="i40e", ENV{ID_RDMA_IWARP}="1"

# Hardware that supports RoCE
DRIVERS=="be2net", ENV{ID_RDMA_ROCE}="1"
DRIVERS=="bnxt_en", ENV{ID_RDMA_ROCE}="1"
DRIVERS=="hns", ENV{ID_RDMA_ROCE}="1"
DRIVERS=="mlx4_core", ENV{ID_RDMA_ROCE}="1"
DRIVERS=="mlx5_core", ENV{ID_RDMA_ROCE}="1"
DRIVERS=="qede", ENV{ID_RDMA_ROCE}="1"
DRIVERS=="vmw_pvrdma", ENV{ID_RDMA_ROCE}="1"
DEVPATH=="*/infiniband/rxe*", ATTR{parent}=="*", ENV{ID_RDMA_ROCE}="1"

# Setup the usual ID information so that systemd will display a sane name for
# the RDMA device units.
SUBSYSTEMS=="pci", ENV{ID_BUS}="pci", ENV{ID_VENDOR_ID}="$attr{vendor}", ENV{ID_MODEL_ID}="$attr{device}"
SUBSYSTEMS=="pci", IMPORT{builtin}="hwdb --subsystem=pci"

LABEL="rdma_description_end"