uapi: Add rmnet_data.h (4049a33c) · Commits · e / devices / android_kernel_fairphone_FP4

include/uapi/linux/rmnet_data.h

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		/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
		/*
		* Copyright (c) 2018, The Linux Foundation. All rights reserved.
		*/

		#ifndef _RMNET_DATA_H_
		#define _RMNET_DATA_H_

		/* Constants */
		#define RMNET_LOCAL_LOGICAL_ENDPOINT -1

		#define RMNET_EGRESS_FORMAT__RESERVED__ (1<<0)
		#define RMNET_EGRESS_FORMAT_MAP (1<<1)
		#define RMNET_EGRESS_FORMAT_AGGREGATION (1<<2)
		#define RMNET_EGRESS_FORMAT_MUXING (1<<3)
		#define RMNET_EGRESS_FORMAT_MAP_CKSUMV3 (1<<4)
		#define RMNET_EGRESS_FORMAT_MAP_CKSUMV4 (1<<5)

		#define RMNET_INGRESS_FIX_ETHERNET (1<<0)
		#define RMNET_INGRESS_FORMAT_MAP (1<<1)
		#define RMNET_INGRESS_FORMAT_DEAGGREGATION (1<<2)
		#define RMNET_INGRESS_FORMAT_DEMUXING (1<<3)
		#define RMNET_INGRESS_FORMAT_MAP_COMMANDS (1<<4)
		#define RMNET_INGRESS_FORMAT_MAP_CKSUMV3 (1<<5)
		#define RMNET_INGRESS_FORMAT_MAP_CKSUMV4 (1<<6)

		/* Netlink API */
		#define RMNET_NETLINK_PROTO 31
		#define RMNET_MAX_STR_LEN 16
		#define RMNET_NL_DATA_MAX_LEN 64

		#define RMNET_NETLINK_MSG_COMMAND 0
		#define RMNET_NETLINK_MSG_RETURNCODE 1
		#define RMNET_NETLINK_MSG_RETURNDATA 2

		struct rmnet_nl_msg_s {
		uint16_t reserved;
		uint16_t message_type;
		uint16_t reserved2:14;
		uint16_t crd:2;
		union {
		uint16_t arg_length;
		uint16_t return_code;
		};
		union {
		uint8_t data[RMNET_NL_DATA_MAX_LEN];
		struct {
		uint8_t dev[RMNET_MAX_STR_LEN];
		uint32_t flags;
		uint16_t agg_size;
		uint16_t agg_count;
		uint8_t tail_spacing;
		} data_format;
		struct {
		uint8_t dev[RMNET_MAX_STR_LEN];
		int32_t ep_id;
		uint8_t operating_mode;
		uint8_t next_dev[RMNET_MAX_STR_LEN];
		} local_ep_config;
		struct {
		uint32_t id;
		uint8_t vnd_name[RMNET_MAX_STR_LEN];
		} vnd;
		struct {
		uint32_t id;
		uint32_t map_flow_id;
		uint32_t tc_flow_id;
		} flow_control;
		};
		};

		enum rmnet_netlink_message_types_e {
		/* RMNET_NETLINK_ASSOCIATE_NETWORK_DEVICE - Register RMNET data driver
		* on a particular device.
		* Args: char[] dev_name: Null terminated ASCII string, max length: 15
		* Returns: status code
		*/
		RMNET_NETLINK_ASSOCIATE_NETWORK_DEVICE,

		/* RMNET_NETLINK_UNASSOCIATE_NETWORK_DEVICE - Unregister RMNET data
		* driver on a particular
		* device.
		* Args: char[] dev_name: Null terminated ASCII string, max length: 15
		* Returns: status code
		*/
		RMNET_NETLINK_UNASSOCIATE_NETWORK_DEVICE,

		/* RMNET_NETLINK_GET_NETWORK_DEVICE_ASSOCIATED - Get if RMNET data
		* driver is registered on a
		* particular device.
		* Args: char[] dev_name: Null terminated ASCII string, max length: 15
		* Returns: 1 if registered, 0 if not
		*/
		RMNET_NETLINK_GET_NETWORK_DEVICE_ASSOCIATED,

		/* RMNET_NETLINK_SET_LINK_EGRESS_DATA_FORMAT - Sets the egress data
		* format for a particular
		* link.
		* Args: uint32_t egress_flags
		* char[] dev_name: Null terminated ASCII string, max length: 15
		* Returns: status code
		*/
		RMNET_NETLINK_SET_LINK_EGRESS_DATA_FORMAT,

		/* RMNET_NETLINK_GET_LINK_EGRESS_DATA_FORMAT - Gets the egress data
		* format for a particular
		* link.
		* Args: char[] dev_name: Null terminated ASCII string, max length: 15
		* Returns: 4-bytes data: uint32_t egress_flags
		*/
		RMNET_NETLINK_GET_LINK_EGRESS_DATA_FORMAT,

		/* RMNET_NETLINK_SET_LINK_INGRESS_DATA_FORMAT - Sets the ingress data
		* format for a particular
		* link.
		* Args: uint32_t ingress_flags
		* char[] dev_name: Null terminated ASCII string, max length: 15
		* Returns: status code
		*/
		RMNET_NETLINK_SET_LINK_INGRESS_DATA_FORMAT,

		/* RMNET_NETLINK_GET_LINK_INGRESS_DATA_FORMAT - Gets the ingress data
		* format for a particular
		* link.
		* Args: char[] dev_name: Null terminated ASCII string, max length: 15
		* Returns: 4-bytes data: uint32_t ingress_flags
		*/
		RMNET_NETLINK_GET_LINK_INGRESS_DATA_FORMAT,

		/* RMNET_NETLINK_SET_LOGICAL_EP_CONFIG - Sets the logical endpoint
		* configuration for a particular
		* link.
		* Args: char[] dev_name: Null terminated ASCII string, max length: 15
		* int32_t logical_ep_id, valid values are -1 through 31
		* uint8_t rmnet_mode: one of none, vnd, bridged
		* char[] egress_dev_name: Egress device if operating in bridge mode
		* Returns: status code
		*/
		RMNET_NETLINK_SET_LOGICAL_EP_CONFIG,

		/* RMNET_NETLINK_UNSET_LOGICAL_EP_CONFIG - Un-sets the logical endpoint
		* configuration for a particular
		* link.
		* Args: char[] dev_name: Null terminated ASCII string, max length: 15
		* int32_t logical_ep_id, valid values are -1 through 31
		* Returns: status code
		*/
		RMNET_NETLINK_UNSET_LOGICAL_EP_CONFIG,

		/* RMNET_NETLINK_GET_LOGICAL_EP_CONFIG - Gets the logical endpoint
		* configuration for a particular
		* link.
		* Args: char[] dev_name: Null terminated ASCII string, max length: 15
		* int32_t logical_ep_id, valid values are -1 through 31
		* Returns: uint8_t rmnet_mode: one of none, vnd, bridged
		* char[] egress_dev_name: Egress device
		*/
		RMNET_NETLINK_GET_LOGICAL_EP_CONFIG,

		/* RMNET_NETLINK_NEW_VND - Creates a new virtual network device node
		* Args: int32_t node number
		* Returns: status code
		*/
		RMNET_NETLINK_NEW_VND,

		/* RMNET_NETLINK_NEW_VND_WITH_PREFIX - Creates a new virtual network
		* device node with the specified
		* prefix for the device name
		* Args: int32_t node number
		* char[] vnd_name - Use as prefix
		* Returns: status code
		*/
		RMNET_NETLINK_NEW_VND_WITH_PREFIX,

		/* RMNET_NETLINK_GET_VND_NAME - Gets the string name of a VND from ID
		* Args: int32_t node number
		* Returns: char[] vnd_name
		*/
		RMNET_NETLINK_GET_VND_NAME,

		/* RMNET_NETLINK_FREE_VND - Removes virtual network device node
		* Args: int32_t node number
		* Returns: status code
		*/
		RMNET_NETLINK_FREE_VND,

		/* RMNET_NETLINK_ADD_VND_TC_FLOW - Add flow control handle on VND
		* Args: int32_t node number
		* uint32_t MAP Flow Handle
		* uint32_t TC Flow Handle
		* Returns: status code
		*/
		RMNET_NETLINK_ADD_VND_TC_FLOW,

		/* RMNET_NETLINK_DEL_VND_TC_FLOW - Removes flow control handle on VND
		* Args: int32_t node number
		* uint32_t MAP Flow Handle
		* Returns: status code
		*/
		RMNET_NETLINK_DEL_VND_TC_FLOW,

		/*
		* RMNET_NETLINK_NEW_VND_WITH_NAME - Creates a new virtual network
		* device node with the specified
		* device name
		* Args: int32_t node number
		* char[] vnd_name - Use as name
		* Returns: status code
		*/
		RMNET_NETLINK_NEW_VND_WITH_NAME
		};
		#define RMNET_NETLINK_NEW_VND_WITH_NAME RMNET_NETLINK_NEW_VND_WITH_NAME

		enum rmnet_config_endpoint_modes_e {
		/* Pass the frame up the stack with no modifications to skb->dev */
		RMNET_EPMODE_NONE,
		/* Replace skb->dev to a virtual rmnet device and pass up the stack */
		RMNET_EPMODE_VND,
		/* Pass the frame directly to another device with dev_queue_xmit(). */
		RMNET_EPMODE_BRIDGE,
		/* Must be the last item in the list */
		RMNET_EPMODE_LENGTH
		};

		enum rmnet_config_return_codes_e {
		RMNET_CONFIG_OK,
		RMNET_CONFIG_UNKNOWN_MESSAGE,
		RMNET_CONFIG_UNKNOWN_ERROR,
		RMNET_CONFIG_NOMEM,
		RMNET_CONFIG_DEVICE_IN_USE,
		RMNET_CONFIG_INVALID_REQUEST,
		RMNET_CONFIG_NO_SUCH_DEVICE,
		RMNET_CONFIG_BAD_ARGUMENTS,
		RMNET_CONFIG_BAD_EGRESS_DEVICE,
		RMNET_CONFIG_TC_HANDLE_FULL
		};

		#endif /* _RMNET_DATA_H_ */