diff options
| -rw-r--r-- | drivers/infiniband/hw/mlx5/flow.c | 35 | ||||
| -rw-r--r-- | include/uapi/rdma/mlx5_user_ioctl_cmds.h | 1 |
2 files changed, 22 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/mlx5/flow.c b/drivers/infiniband/hw/mlx5/flow.c index 3fa66474afa6..6fa1a510c5d7 100644 --- a/drivers/infiniband/hw/mlx5/flow.c +++ b/drivers/infiniband/hw/mlx5/flow.c @@ -69,11 +69,10 @@ static const struct uverbs_attr_spec mlx5_ib_flow_type[] = { static int get_dests(struct uverbs_attr_bundle *attrs, struct mlx5_ib_flow_matcher *fs_matcher, int *dest_id, - int *dest_type, struct ib_qp **qp, bool *def_miss) + int *dest_type, struct ib_qp **qp, u32 *flags) { bool dest_devx, dest_qp; void *devx_obj; - u32 flags; int err; dest_devx = uverbs_attr_is_valid(attrs, @@ -81,23 +80,28 @@ static int get_dests(struct uverbs_attr_bundle *attrs, dest_qp = uverbs_attr_is_valid(attrs, MLX5_IB_ATTR_CREATE_FLOW_DEST_QP); - *def_miss = false; - err = uverbs_get_flags32(&flags, attrs, - MLX5_IB_ATTR_CREATE_FLOW_FLAGS, - MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DEFAULT_MISS); + *flags = 0; + err = uverbs_get_flags32(flags, attrs, MLX5_IB_ATTR_CREATE_FLOW_FLAGS, + MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DEFAULT_MISS | + MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP); if (err) return err; - *def_miss = flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DEFAULT_MISS; + + /* Both flags are not allowed */ + if (*flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DEFAULT_MISS && + *flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP) + return -EINVAL; if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS) { - if (dest_devx && (dest_qp || *def_miss)) + if (dest_devx && (dest_qp || *flags)) return -EINVAL; - else if (dest_qp && *def_miss) + else if (dest_qp && *flags) return -EINVAL; } - /* Allow only DEVX object as dest when inserting to FDB */ - if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB && !dest_devx) + /* Allow only DEVX object, drop as dest for FDB */ + if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB && !(dest_devx || + (*flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP))) return -EINVAL; /* Allow only DEVX object or QP as dest when inserting to RDMA_RX */ @@ -166,7 +170,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_CREATE_FLOW)( void *devx_obj, *cmd_in; struct ib_uobject *uobj; struct mlx5_ib_dev *dev; - bool def_miss; + u32 flags; if (!capable(CAP_NET_RAW)) return -EPERM; @@ -176,12 +180,15 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_CREATE_FLOW)( uobj = uverbs_attr_get_uobject(attrs, MLX5_IB_ATTR_CREATE_FLOW_HANDLE); dev = mlx5_udata_to_mdev(&attrs->driver_udata); - if (get_dests(attrs, fs_matcher, &dest_id, &dest_type, &qp, &def_miss)) + if (get_dests(attrs, fs_matcher, &dest_id, &dest_type, &qp, &flags)) return -EINVAL; - if (def_miss) + if (flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DEFAULT_MISS) flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS; + if (flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP) + flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_DROP; + len = uverbs_attr_get_uobjs_arr(attrs, MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX, &arr_flow_actions); if (len) { diff --git a/include/uapi/rdma/mlx5_user_ioctl_cmds.h b/include/uapi/rdma/mlx5_user_ioctl_cmds.h index 07cf54333193..8e316ef896b5 100644 --- a/include/uapi/rdma/mlx5_user_ioctl_cmds.h +++ b/include/uapi/rdma/mlx5_user_ioctl_cmds.h @@ -243,6 +243,7 @@ enum mlx5_ib_flow_type { enum mlx5_ib_create_flow_flags { MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DEFAULT_MISS = 1 << 0, + MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP = 1 << 1, }; enum mlx5_ib_create_flow_attrs { |