diff options
| author |   Eli Cohen <eli@dev.mellanox.co.il> | 2014-04-02 00:10:16 +0300 |
|---|---|---|
| committer |   Roland Dreier <roland@purestorage.com> | 2014-04-10 18:43:32 -0700 |
| commit | f360d88a2efddf2d2a2d01a8ac76fded34d624b4 (patch) | |
| tree | 9ca4486f3bbd72018b5876a60ce2a351e5045271 /drivers/infiniband/hw/mlx5/qp.c | |
| parent | Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband (diff) | |
| download | linux-dev-f360d88a2efddf2d2a2d01a8ac76fded34d624b4.tar.xz linux-dev-f360d88a2efddf2d2a2d01a8ac76fded34d624b4.zip | |
IB/mlx5: Add block multicast loopback support
Add support for the block multicast loopback QP creation flag along
the proper firmware API for that.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/qp.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/qp.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index ae788d27b93f..dc930ed21eca 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -807,6 +807,15 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, spin_lock_init(&qp->sq.lock); spin_lock_init(&qp->rq.lock); + if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) { + if (!(dev->mdev.caps.flags & MLX5_DEV_CAP_FLAG_BLOCK_MCAST)) { + mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n"); + return -EINVAL; + } else { + qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; + } + } + if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE; @@ -878,6 +887,9 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd, if (qp->wq_sig) in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_ENABLE_SIG); + if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK) + in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_BLOCK_MCAST); + if (qp->scat_cqe && is_connected(init_attr->qp_type)) { int rcqe_sz; int scqe_sz; |