On 25/06/2014 16:44, Or Gerlitz wrote:
Under commit f360d88 we advertize blocking multicast loopback to both
kernel and user-space consumers, but disallow the kernel ones (e.g IPoIB)
to use it with their UD QPs, fix that.
Fixes: f360d88 ('IB/mlx5: Add block multicast loopback support')
Reported-by: Haggai Eran <[email protected]>
Signed-off-by: Eli Cohen <[email protected]>
Signed-off-by: Or Gerlitz <[email protected]>
---
Roland, this needs to go into 3.16 and 3.15-stable too as the bug was
introduced in 3.15-rc2, please make sure to add it to your 3.16 rc pull
request, OK?
Or.
drivers/infiniband/hw/mlx5/qp.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index d13ddf1..bbbcf38 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -675,7 +675,7 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev,
int err;
uuari = &dev->mdev.priv.uuari;
- if (init_attr->create_flags & ~IB_QP_CREATE_SIGNATURE_EN)
+ if (init_attr->create_flags & ~(IB_QP_CREATE_SIGNATURE_EN |
IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK))
return -EINVAL;
if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR)
--
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