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authorOr Gerlitz <ogerlitz@mellanox.com>2016-03-01 18:52:23 +0200
committerDoug Ledford <dledford@redhat.com>2016-03-03 10:52:58 -0500
commit11d8d645343efba0c975aefe7c2cf3b33c836c75 (patch)
treeee2586a426241d0f1f9e4e9a94572d6c420a0d07 /drivers
parent3d943c9d1cc5ad1825e46291ef5ce627e1b6b660 (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/core/sa_query.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c
index f334090bb612..1e37f3515d98 100644
--- a/drivers/infiniband/core/sa_query.c
+++ b/drivers/infiniband/core/sa_query.c
@@ -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;