[ofa-general] [PATCH] RDMA/nes: Mitigate compatibility issue regarding PCI write credits

[Chien Tung]

From: Vadim Makhervaks <vadim.makhervaks at intel.com>

RDMA/nes: New CQ allocation scheme for performance applications.

Change CQ allocation scheme for MCRQ applications.

Signed-off-by: Vadim Makhervaks <vadim.makhervaks at intel.com>
Signed-off-by: Chien Tung <chien.tin.tung at intel.com>
--
 drivers/infiniband/hw/nes/nes_verbs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index f9b37b3..51cb1b5 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -1617,7 +1617,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
 		nes_ucontext->mcrqf = req.mcrqf;
 		if (nes_ucontext->mcrqf) {
 			if (nes_ucontext->mcrqf & 0x80000000)
-				nescq->hw_cq.cq_number = nesvnic->nic.qp_id + 12 + (nes_ucontext->mcrqf & 0xf) - 1;
+				nescq->hw_cq.cq_number = nesvnic->nic.qp_id + 28 + 2*((nes_ucontext->mcrqf & 0xf) - 1);
 			else if (nes_ucontext->mcrqf & 0x40000000)
 				nescq->hw_cq.cq_number = nes_ucontext->mcrqf & 0xffff;
 			else