diff options
| author | Eli Cohen <eli@dev.mellanox.co.il> | 2014-01-14 19:45:17 +0400 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-01-23 11:23:49 +0400 |
| commit | 3bdb31f688276505ede23280885948e934304674 (patch) | |
| tree | c5699406b9ed58f6eaa4fe6ab00843425e367c82 /drivers | |
| parent | ada388f7afad1e2e87acbfe30600fdaff9bd6327 (diff) | |
| download | linux-3bdb31f688276505ede23280885948e934304674.tar.xz | |
IB/mlx5: Implement modify CQ
Modify CQ is used by ULPs like IPoIB to change moderation parameters. This
patch adds support in mlx5.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/cq.c | 26 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/cq.c | 17 |
2 files changed, 40 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index b72627429745..b4c122eab484 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -818,7 +818,31 @@ void mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq) int mlx5_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period) { - return -ENOSYS; + struct mlx5_modify_cq_mbox_in *in; + struct mlx5_ib_dev *dev = to_mdev(cq->device); + struct mlx5_ib_cq *mcq = to_mcq(cq); + int err; + u32 fsel; + + if (!(dev->mdev.caps.flags & MLX5_DEV_CAP_FLAG_CQ_MODER)) + return -ENOSYS; + + in = kzalloc(sizeof(*in), GFP_KERNEL); + if (!in) + return -ENOMEM; + + in->cqn = cpu_to_be32(mcq->mcq.cqn); + fsel = (MLX5_CQ_MODIFY_PERIOD | MLX5_CQ_MODIFY_COUNT); + in->ctx.cq_period = cpu_to_be16(cq_period); + in->ctx.cq_max_count = cpu_to_be16(cq_count); + in->field_select = cpu_to_be32(fsel); + err = mlx5_core_modify_cq(&dev->mdev, &mcq->mcq, in); + kfree(in); + + if (err) + mlx5_ib_warn(dev, "modify cq 0x%x failed\n", mcq->mcq.cqn); + + return err; } int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cq.c b/drivers/net/ethernet/mellanox/mlx5/core/cq.c index c2d660be6f76..e6fedcf94182 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cq.c @@ -201,10 +201,23 @@ EXPORT_SYMBOL(mlx5_core_query_cq); int mlx5_core_modify_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, - int type, struct mlx5_cq_modify_params *params) + struct mlx5_modify_cq_mbox_in *in) { - return -ENOSYS; + struct mlx5_modify_cq_mbox_out out; + int err; + + memset(&out, 0, sizeof(out)); + in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MODIFY_CQ); + err = mlx5_cmd_exec(dev, in, sizeof(*in), &out, sizeof(out)); + if (err) + return err; + + if (out.hdr.status) + return mlx5_cmd_status_to_err(&out.hdr); + + return 0; } +EXPORT_SYMBOL(mlx5_core_modify_cq); int mlx5_init_cq_table(struct mlx5_core_dev *dev) { |