Solaris/IB and Open Source

OpenSolaris is known for being open source. In the InfiniBand area, the framework and most Upper Level Protocols (ULPs) were open source right from the start of OpenSolaris. However, we had to keep the Host Channel Adapter (HCA) drivers in closed source because of prior legal agreements. Well this took a while to sort out, and then finally make the changes to the source tree.

So I am happy to announce that the HCA drivers are now open source. You can look at them here.

There is still part of one ULP (Sockets Direct Protocol) which is in closed source, but that is the only remaining Solaris/IB item in closed source. Unfortunately, it is not likely to change any time soon, because of the way SDP was licensed. For similar reasons, even Linux/OFED has some problems in this area.

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