diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 025efce540a7..a6b80cdc96f7 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -169,6 +169,7 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = { [RDMA_NLDEV_ATTR_DRIVER_DETAILS] = { .type = NLA_U8 }, [RDMA_NLDEV_ATTR_DEV_TYPE] = { .type = NLA_U8 }, [RDMA_NLDEV_ATTR_PARENT_NAME] = { .type = NLA_NUL_STRING }, + [RDMA_NLDEV_ATTR_NAME_ASSIGN_TYPE] = { .type = NLA_U8 }, }; static int put_driver_name_print_type(struct sk_buff *msg, const char *name, @@ -312,6 +313,10 @@ static int fill_dev_info(struct sk_buff *msg, struct ib_device *device) dev_name(&device->parent->dev))) return -EMSGSIZE; + if (nla_put_u8(msg, RDMA_NLDEV_ATTR_NAME_ASSIGN_TYPE, + device->name_assign_type)) + return -EMSGSIZE; + /* * Link type is determined on first port and mlx4 device * which can potentially have two different link type for the same diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 5de0d95d1f45..33513553379c 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -4198,9 +4198,10 @@ static int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev) { const char *name; - if (dev->sub_dev_name) + if (dev->sub_dev_name) { name = dev->sub_dev_name; - else if (!mlx5_lag_is_active(dev->mdev)) + ib_mark_name_assigned_by_user(&dev->ib_dev); + } else if (!mlx5_lag_is_active(dev->mdev)) name = "mlx5_%d"; else name = "mlx5_bond_%d"; diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c index ca9a82e1c4c7..75d1407db52d 100644 --- a/drivers/infiniband/sw/rxe/rxe_net.c +++ b/drivers/infiniband/sw/rxe/rxe_net.c @@ -537,6 +537,7 @@ int rxe_net_add(const char *ibdev_name, struct net_device *ndev) return -ENOMEM; rxe->ndev = ndev; + ib_mark_name_assigned_by_user(&rxe->ib_dev); err = rxe_add(rxe, ndev->mtu, ibdev_name); if (err) { diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c index 61ad8ca3d1a2..b2b54242aa69 100644 --- a/drivers/infiniband/sw/siw/siw_main.c +++ b/drivers/infiniband/sw/siw/siw_main.c @@ -485,6 +485,7 @@ static int siw_newlink(const char *basedev_name, struct net_device *netdev) else sdev->state = IB_PORT_DOWN; + ib_mark_name_assigned_by_user(&sdev->base_dev); rv = siw_device_register(sdev, basedev_name); if (rv) ib_dealloc_device(&sdev->base_dev); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index e09d4f09b602..6c5712ae559d 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2794,6 +2794,8 @@ struct ib_device { enum rdma_nl_dev_type type; struct ib_device *parent; struct list_head subdev_list; + + enum rdma_nl_name_assign_type name_assign_type; }; static inline void *rdma_zalloc_obj(struct ib_device *dev, size_t size, @@ -4867,4 +4869,10 @@ int ib_add_sub_device(struct ib_device *parent, * Return 0 on success, an error code otherwise */ int ib_del_sub_device_and_put(struct ib_device *sub); + +static inline void ib_mark_name_assigned_by_user(struct ib_device *ibdev) +{ + ibdev->name_assign_type = RDMA_NAME_ASSIGN_TYPE_USER; +} + #endif /* IB_VERBS_H */ diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h index 4b69242d7848..2f37568f5556 100644 --- a/include/uapi/rdma/rdma_netlink.h +++ b/include/uapi/rdma/rdma_netlink.h @@ -572,6 +572,8 @@ enum rdma_nldev_attr { RDMA_NLDEV_ATTR_PARENT_NAME, /* string */ + RDMA_NLDEV_ATTR_NAME_ASSIGN_TYPE, /* u8 */ + /* * Always the end */ @@ -615,4 +617,11 @@ enum rdma_nl_counter_mask { enum rdma_nl_dev_type { RDMA_DEVICE_TYPE_SMI = 1, }; + +/* RDMA device name assignment types */ +enum rdma_nl_name_assign_type { + RDMA_NAME_ASSIGN_TYPE_UNKNOWN = 0, + RDMA_NAME_ASSIGN_TYPE_USER = 1, /* Provided by user-space */ +}; + #endif /* _UAPI_RDMA_NETLINK_H */