IB/core: Use GRH when the path hop-limit > 0
authorOr Gerlitz <ogerlitz@mellanox.com>
Tue, 1 Mar 2016 16:52:23 +0000 (18:52 +0200)
committerDoug Ledford <dledford@redhat.com>
Thu, 3 Mar 2016 15:52:58 +0000 (10:52 -0500)
commit11d8d645343efba0c975aefe7c2cf3b33c836c75
treeee2586a426241d0f1f9e4e9a94572d6c420a0d07
parent3d943c9d1cc5ad1825e46291ef5ce627e1b6b660
IB/core: Use GRH when the path hop-limit > 0

According to IBTA spec v1.3 section 12.7.19, QPs should use GRH when
the path returned by the SA has hop-limit > 0. Currently, we do that
only for the > 1 case, fix that.

Fixes: 6d969a471ba1 ('IB/sa: Add ib_init_ah_from_path()')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/core/sa_query.c