[openib-general] [Bug 159] OFED1.0: Missing interfaces

[bugzilla-daemon at openib.org]

http://openib.org/bugzilla/show_bug.cgi?id=159


tziporet at mellanox.co.il changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WONTFIX




------- Comment #1 from tziporet at mellanox.co.il  2006-07-02 04:22 -------
Item 25 from FM #35398:
Gen2 is compliant.  In Gen2, the driver does not do any modify_qp commands for
LAP/APR.  Rather, it relies on the application to manage alternate path
migration.

This is done via procedures in libibcm/src/cm.c, libibverbs/src/marshall.c,
linux-kernel/infiniband/core/cm.c, core/ucm.c, core/uverbs_marshall.c

Thus, for example, user-space app can call ib_cm_send_lap() to send the new alt
path.  The receiver can do ib_cm_poll() to see if there is any event waiting to
be pulled to user space.  The user-space app can then call  ib_cm_get_event()
to get the LAP event (including the new alternate path info), and can send the
reply using ib_cm_send_apr().
Responsibility for actually performing the modify-qp is left to the user
application.

This is more in keeping with the IB Spec.




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