IB/mthca: Add support for automatic path migration (APM)
IB/mthca: Add support for automatic path migration (APM)

Add code to modify QP operation to handle setting alternate paths for
connected QPs.

Signed-off-by: Dotan Barak <b3b47477f528a5bde0a5a6bab57b60b3c423571a@mellanox.co.il>
Signed-off-by: Michael S. Tsirkin <255103e50249e3d658441816e0597170ebfc16ef@mellanox.co.il>
Signed-off-by: Roland Dreier <91e9b5f7ca0bb6300133ed378670d64af90dde66@cisco.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs