Commit e4cc4fa7 authored by Noa Osherovich's avatar Noa Osherovich Committed by Doug Ledford

IB/mlx5: Enable QP creation with cvlan offload

Enable creating a RAW Ethernet QP with cvlan stripping offload when
it's supported by the hardware.
Signed-off-by: default avatarNoa Osherovich <noaos@mellanox.com>
Reviewed-by: default avatarMaor Gottlieb <maorg@mellanox.com>
Reviewed-by: default avatarYishai Hadas <yishaih@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent b1f74a84
......@@ -220,6 +220,10 @@ struct wr_list {
u16 next;
};
enum mlx5_ib_rq_flags {
MLX5_IB_RQ_CVLAN_STRIPPING = 1 << 0,
};
struct mlx5_ib_wq {
u64 *wrid;
u32 *wr_data;
......@@ -308,6 +312,7 @@ struct mlx5_ib_rq {
struct mlx5_db *doorbell;
u32 tirn;
u8 state;
u32 flags;
};
struct mlx5_ib_sq {
......@@ -392,6 +397,7 @@ enum mlx5_ib_qp_flags {
MLX5_IB_QP_SQPN_QP1 = 1 << 6,
MLX5_IB_QP_CAP_SCATTER_FCS = 1 << 7,
MLX5_IB_QP_RSS = 1 << 8,
MLX5_IB_QP_CVLAN_STRIPPING = 1 << 9,
};
struct mlx5_umr_wr {
......
......@@ -1141,7 +1141,8 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
return -ENOMEM;
rqc = MLX5_ADDR_OF(create_rq_in, in, ctx);
MLX5_SET(rqc, rqc, vsd, 1);
if (!(rq->flags & MLX5_IB_RQ_CVLAN_STRIPPING))
MLX5_SET(rqc, rqc, vsd, 1);
MLX5_SET(rqc, rqc, mem_rq_type, MLX5_RQC_MEM_RQ_TYPE_MEMORY_RQ_INLINE);
MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST);
MLX5_SET(rqc, rqc, flush_in_error_en, 1);
......@@ -1238,6 +1239,8 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
if (qp->rq.wqe_cnt) {
rq->base.container_mibqp = qp;
if (qp->flags & MLX5_IB_QP_CVLAN_STRIPPING)
rq->flags |= MLX5_IB_RQ_CVLAN_STRIPPING;
err = create_raw_packet_qp_rq(dev, rq, in);
if (err)
goto err_destroy_sq;
......@@ -1559,6 +1562,14 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE;
if (init_attr->create_flags & IB_QP_CREATE_CVLAN_STRIPPING) {
if (!(MLX5_CAP_GEN(dev->mdev, eth_net_offloads) &&
MLX5_CAP_ETH(dev->mdev, vlan_cap)) ||
(init_attr->qp_type != IB_QPT_RAW_PACKET))
return -EOPNOTSUPP;
qp->flags |= MLX5_IB_QP_CVLAN_STRIPPING;
}
if (pd && pd->uobject) {
if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
mlx5_ib_dbg(dev, "copy failed\n");
......
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