diff options
| author | Or Gerlitz <ogerlitz@mellanox.com> | 2016-03-01 19:52:23 +0300 |
|---|---|---|
| committer | Luis Henriques <luis.henriques@canonical.com> | 2016-03-24 13:01:06 +0300 |
| commit | 901a7ae3f69a42600fa6f9adfc5eb1cf68241d27 (patch) | |
| tree | dfbe12ccbd86680fcc6ecf5aea5e14d124345a5c /drivers | |
| parent | 9d313c1228dcae92c47297e7380d183662966e9b (diff) | |
| download | linux-901a7ae3f69a42600fa6f9adfc5eb1cf68241d27.tar.xz | |
IB/core: Use GRH when the path hop-limit > 0
commit 11d8d645343efba0c975aefe7c2cf3b33c836c75 upstream.
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>
[ luis: backported to 3.16: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/core/sa_query.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index 233eaf541f55..3ca38f9ad26a 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -542,7 +542,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num, force_grh = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_ETHERNET; - if (rec->hop_limit > 1 || force_grh) { + if (rec->hop_limit > 0 || force_grh) { ah_attr->ah_flags = IB_AH_GRH; ah_attr->grh.dgid = rec->dgid; |