diff options
| author | Noa Osherovich <noaos@mellanox.com> | 2017-01-18 15:40:04 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-02-14 11:41:15 -0500 |
| commit | 4be6da1e5b8dde8b163c540fca5745644a6a9e00 (patch) | |
| tree | a61243ffc9f1275045c9084cb9e0ee3e47d83d2e /drivers/infiniband | |
| parent | e4cc4fa7cca9ac7d7c3abea7d6c90db1c519d6c6 (diff) | |
| download | talos-obmc-linux-4be6da1e5b8dde8b163c540fca5745644a6a9e00.tar.gz talos-obmc-linux-4be6da1e5b8dde8b163c540fca5745644a6a9e00.zip | |
IB/mlx5: Support creation of a WQ with scatter FCS offload
Add support for creation of a WQ with scatter FCS capability, if
this capability is supported by the hardware.
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/qp.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 0b2b17d267a8..fbfff1269816 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -4604,6 +4604,7 @@ static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, struct ib_wq_init_attr *init_attr) { struct mlx5_ib_dev *dev; + int has_net_offloads; __be64 *rq_pas0; void *in; void *rqc; @@ -4635,9 +4636,9 @@ static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, MLX5_SET(wq, wq, log_wq_pg_sz, rwq->log_page_size); MLX5_SET(wq, wq, wq_signature, rwq->wq_sig); MLX5_SET64(wq, wq, dbr_addr, rwq->db.dma); + has_net_offloads = MLX5_CAP_GEN(dev->mdev, eth_net_offloads); if (init_attr->create_flags & IB_WQ_FLAGS_CVLAN_STRIPPING) { - if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && - MLX5_CAP_ETH(dev->mdev, vlan_cap))) { + if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, vlan_cap))) { mlx5_ib_dbg(dev, "VLAN offloads are not supported\n"); err = -EOPNOTSUPP; goto out; @@ -4645,6 +4646,14 @@ static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd, } else { MLX5_SET(rqc, rqc, vsd, 1); } + if (init_attr->create_flags & IB_WQ_FLAGS_SCATTER_FCS) { + if (!(has_net_offloads && MLX5_CAP_ETH(dev->mdev, scatter_fcs))) { + mlx5_ib_dbg(dev, "Scatter FCS is not supported\n"); + err = -EOPNOTSUPP; + goto out; + } + MLX5_SET(rqc, rqc, scatter_fcs, 1); + } rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas); mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0); err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp); |
