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SubjectRe: [PATCH][RFC/v1][11/12] Add InfiniBand Documentation files
    Christoph> Any reason this doesn't use an interface similar to the
Christoph> normal vlan code?

The normal vlan code uses an ioctl(). I thought a simple sysfs
interface would be more palatable than a new socket ioctl.

Christoph> And what is a P_Key?

It is a 16-bit identifier carried by IB packets that says which
partition the packet is in. End ports have P_Key tables that list
which partitions they are members of (a port can be a member of one or
more partitions, and can only receive packets from that partition).

- Roland
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