Tom Tucker wrote:
Right now the code (ib_translate_addr) seems to assume that the device
is for an IPoIB device. Going forward, how do we know whether the
underlying net_device is for an IPoIB device, an iWARP device, or a dumb
Ethernet device?
The code does assume this currently. The code should check that the net_device
type = ARPHRD_INFINIBAND. Without this check, the CMA will simply error out
later when mapping the returned address to a GID.
For the first two, we will take one of two paths in the CMA, for the
dumb Ethernet device I presume we will return an error.
I guess the proper thing to return is -ENODEV from ib_translate_addr() if we
have the wrong device type. The CMA could then check iWarp devices.
- Sean
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