[openib-general] Some Missing Features from mthca/user MAD access

[Hal Rosenstock]

On Mon, 2005-01-10 at 09:38, shaharf wrote:
> The cancel mad operation is less important than I thought. The OpenSM
> manage a send queue and let only a specific window of packets to reach
> the kernel. Unless you allow the SM to use very large window, most
> canceled mads will be in the internal SM queue. The default window is 1
> (should be changed). In short, you don't have to take the cancel mad
> into account. Canceling any pending mads when the file is closed should
> be enough.

That reduces the open implementation issues down to:
1. IsSM
2. adding ability to snoop MADs from user space (lower priority)

-- Hal