From: Or Gerlitz <ogerlitz@mellanox.com>
Date: Tue, 1 Mar 2016 16:52:23 +0000 (+0200)
Subject: IB/core: Use GRH when the path hop-limit > 0
X-Git-Tag: v3.2.79~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a1663179bb1707a285258870914536a64cc1c90a;p=pandora-kernel.git

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>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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