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IB/core: Use GRH when the path hop-limit > 0

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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: 6d969a471b ('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>
This commit is contained in:
Or Gerlitz 2016-03-01 18:52:23 +02:00 committed by Doug Ledford
parent 3d943c9d1c
commit 11d8d64534
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/core/sa_query.c
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@ -1071,7 +1071,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
}
}
if (rec->hop_limit > 1 || use_roce) {
if (rec->hop_limit > 0 || use_roce) {
ah_attr->ah_flags = IB_AH_GRH;
ah_attr->grh.dgid = rec->dgid;