Merge "include: rmnet_data: Add snapshot of headers" (796fce63) · Commits · e / devices / android_kernel_fairphone_FP5

include/net/rmnet_config.h

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		/* SPDX-License-Identifier: GPL-2.0-only */
		/* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
		*
		* Legacy RMNET Data MAP header definitions
		*/

		#ifndef _RMNET_CONFIG_H_
		#define _RMNET_CONFIG_H_

		struct rmnet_map_header_s {
		#ifndef RMNET_USE_BIG_ENDIAN_STRUCTS
		uint8_t pad_len:6;
		uint8_t reserved_bit:1;
		uint8_t cd_bit:1;
		#else
		uint8_t cd_bit:1;
		uint8_t reserved_bit:1;
		uint8_t pad_len:6;
		#endif /* RMNET_USE_BIG_ENDIAN_STRUCTS */
		uint8_t mux_id;
		uint16_t pkt_len;
		} __aligned(1);

		#define RMNET_MAP_GET_MUX_ID(Y) (((struct rmnet_map_header_s *)Y->data)->mux_id)
		#define RMNET_MAP_GET_CD_BIT(Y) (((struct rmnet_map_header_s *)Y->data)->cd_bit)
		#define RMNET_MAP_GET_PAD(Y) (((struct rmnet_map_header_s *)Y->data)->pad_len)
		#define RMNET_MAP_GET_CMD_START(Y) ((struct rmnet_map_control_command_s *) \
		(Y->data + sizeof(struct rmnet_map_header_s)))
		#define RMNET_MAP_GET_LENGTH(Y) (ntohs( \
		((struct rmnet_map_header_s *)Y->data)->pkt_len))

		#endif /* _RMNET_CONFIG_H_ */

include/uapi/linux/msm_rmnet.h

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		/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
		/*
		* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
		*/

		#ifndef _UAPI_MSM_RMNET_H_
		#define _UAPI_MSM_RMNET_H_

		/* Bitmap macros for RmNET driver operation mode. */
		#define RMNET_MODE_NONE (0x00)
		#define RMNET_MODE_LLP_ETH (0x01)
		#define RMNET_MODE_LLP_IP (0x02)
		#define RMNET_MODE_QOS (0x04)
		#define RMNET_MODE_MASK (RMNET_MODE_LLP_ETH \| \
		RMNET_MODE_LLP_IP \| \
		RMNET_MODE_QOS)

		#define RMNET_IS_MODE_QOS(mode) \
		((mode & RMNET_MODE_QOS) == RMNET_MODE_QOS)
		#define RMNET_IS_MODE_IP(mode) \
		((mode & RMNET_MODE_LLP_IP) == RMNET_MODE_LLP_IP)

		/* IOCTL commands
		* Values chosen to not conflict with other drivers in the ecosystem
		*/

		#define RMNET_IOCTL_SET_LLP_ETHERNET 0x000089F1 /* Set Ethernet protocol */
		#define RMNET_IOCTL_SET_LLP_IP 0x000089F2 /* Set RAWIP protocol */
		#define RMNET_IOCTL_GET_LLP 0x000089F3 /* Get link protocol */
		#define RMNET_IOCTL_SET_QOS_ENABLE 0x000089F4 /* Set QoS header enabled */
		#define RMNET_IOCTL_SET_QOS_DISABLE 0x000089F5 /* Set QoS header disabled*/
		#define RMNET_IOCTL_GET_QOS 0x000089F6 /* Get QoS header state */
		#define RMNET_IOCTL_GET_OPMODE 0x000089F7 /* Get operation mode */
		#define RMNET_IOCTL_OPEN 0x000089F8 /* Open transport port */
		#define RMNET_IOCTL_CLOSE 0x000089F9 /* Close transport port */
		#define RMNET_IOCTL_FLOW_ENABLE 0x000089FA /* Flow enable */
		#define RMNET_IOCTL_FLOW_DISABLE 0x000089FB /* Flow disable */
		#define RMNET_IOCTL_FLOW_SET_HNDL 0x000089FC /* Set flow handle */
		#define RMNET_IOCTL_EXTENDED 0x000089FD /* Extended IOCTLs */

		/* RmNet Data Required IOCTLs */
		#define RMNET_IOCTL_GET_SUPPORTED_FEATURES 0x0000 /* Get features */
		#define RMNET_IOCTL_SET_MRU 0x0001 /* Set MRU */
		#define RMNET_IOCTL_GET_MRU 0x0002 /* Get MRU */
		#define RMNET_IOCTL_GET_EPID 0x0003 /* Get endpoint ID */
		#define RMNET_IOCTL_GET_DRIVER_NAME 0x0004 /* Get driver name */
		#define RMNET_IOCTL_ADD_MUX_CHANNEL 0x0005 /* Add MUX ID */
		#define RMNET_IOCTL_SET_EGRESS_DATA_FORMAT 0x0006 /* Set EDF */
		#define RMNET_IOCTL_SET_INGRESS_DATA_FORMAT 0x0007 /* Set IDF */
		#define RMNET_IOCTL_SET_AGGREGATION_COUNT 0x0008 /* Set agg count */
		#define RMNET_IOCTL_GET_AGGREGATION_COUNT 0x0009 /* Get agg count */
		#define RMNET_IOCTL_SET_AGGREGATION_SIZE 0x000A /* Set agg size */
		#define RMNET_IOCTL_GET_AGGREGATION_SIZE 0x000B /* Get agg size */
		#define RMNET_IOCTL_FLOW_CONTROL 0x000C /* Do flow control */
		#define RMNET_IOCTL_GET_DFLT_CONTROL_CHANNEL 0x000D /* For legacy use */
		#define RMNET_IOCTL_GET_HWSW_MAP 0x000E /* Get HW/SW map */
		#define RMNET_IOCTL_SET_RX_HEADROOM 0x000F /* RX Headroom */
		#define RMNET_IOCTL_GET_EP_PAIR 0x0010 /* Endpoint pair */
		#define RMNET_IOCTL_SET_QOS_VERSION 0x0011 /* 8/6 byte QoS hdr*/
		#define RMNET_IOCTL_GET_QOS_VERSION 0x0012 /* 8/6 byte QoS hdr*/
		#define RMNET_IOCTL_GET_SUPPORTED_QOS_MODES 0x0013 /* Get QoS modes */
		#define RMNET_IOCTL_SET_SLEEP_STATE 0x0014 /* Set sleep state */
		#define RMNET_IOCTL_SET_XLAT_DEV_INFO 0x0015 /* xlat dev name */
		#define RMNET_IOCTL_DEREGISTER_DEV 0x0016 /* Dereg a net dev */
		#define RMNET_IOCTL_GET_SG_SUPPORT 0x0017 /* Query sg support*/
		#define RMNET_IOCTL_SET_OFFLOAD 0x0018 /* Set IPA offload */

		/* Return values for the RMNET_IOCTL_GET_SUPPORTED_FEATURES IOCTL */
		#define RMNET_IOCTL_FEAT_NOTIFY_MUX_CHANNEL (1<<0)
		#define RMNET_IOCTL_FEAT_SET_EGRESS_DATA_FORMAT (1<<1)
		#define RMNET_IOCTL_FEAT_SET_INGRESS_DATA_FORMAT (1<<2)
		#define RMNET_IOCTL_FEAT_SET_AGGREGATION_COUNT (1<<3)
		#define RMNET_IOCTL_FEAT_GET_AGGREGATION_COUNT (1<<4)
		#define RMNET_IOCTL_FEAT_SET_AGGREGATION_SIZE (1<<5)
		#define RMNET_IOCTL_FEAT_GET_AGGREGATION_SIZE (1<<6)
		#define RMNET_IOCTL_FEAT_FLOW_CONTROL (1<<7)
		#define RMNET_IOCTL_FEAT_GET_DFLT_CONTROL_CHANNEL (1<<8)
		#define RMNET_IOCTL_FEAT_GET_HWSW_MAP (1<<9)

		/* Input values for the RMNET_IOCTL_SET_EGRESS_DATA_FORMAT IOCTL */
		#define RMNET_IOCTL_EGRESS_FORMAT_MAP (1<<1)
		#define RMNET_IOCTL_EGRESS_FORMAT_AGGREGATION (1<<2)
		#define RMNET_IOCTL_EGRESS_FORMAT_MUXING (1<<3)
		#define RMNET_IOCTL_EGRESS_FORMAT_CHECKSUM (1<<4)

		/* Input values for the RMNET_IOCTL_SET_INGRESS_DATA_FORMAT IOCTL */
		#define RMNET_IOCTL_INGRESS_FORMAT_MAP (1<<1)
		#define RMNET_IOCTL_INGRESS_FORMAT_DEAGGREGATION (1<<2)
		#define RMNET_IOCTL_INGRESS_FORMAT_DEMUXING (1<<3)
		#define RMNET_IOCTL_INGRESS_FORMAT_CHECKSUM (1<<4)
		#define RMNET_IOCTL_INGRESS_FORMAT_AGG_DATA (1<<5)

		/* Input values for the RMNET_IOCTL_SET_OFFLOAD */
		#define RMNET_IOCTL_OFFLOAD_FORMAT_NONE (0)
		#define RMNET_IOCTL_COALESCING_FORMAT_TCP (1<<0)
		#define RMNET_IOCTL_COALESCING_FORMAT_UDP (1<<1)

		/* User space may not have this defined. */
		#ifndef IFNAMSIZ
		#define IFNAMSIZ 16
		#endif

		struct rmnet_ioctl_extended_s {
		uint32_t extended_ioctl;
		union {
		uint32_t data; /* Generic data field for most extended IOCTLs */

		/* Return values for
		* RMNET_IOCTL_GET_DRIVER_NAME
		* RMNET_IOCTL_GET_DFLT_CONTROL_CHANNEL
		*/
		int8_t if_name[IFNAMSIZ];

		/* Input values for the RMNET_IOCTL_ADD_MUX_CHANNEL IOCTL */
		struct {
		uint32_t mux_id;
		int8_t vchannel_name[IFNAMSIZ];
		} rmnet_mux_val;

		/* Input values for the RMNET_IOCTL_FLOW_CONTROL IOCTL */
		struct {
		uint8_t flow_mode;
		uint8_t mux_id;
		} flow_control_prop;

		/* Return values for RMNET_IOCTL_GET_EP_PAIR */
		struct {
		uint32_t consumer_pipe_num;
		uint32_t producer_pipe_num;
		} ipa_ep_pair;

		struct {
		uint32_t __data; /* Placeholder for legacy data*/
		uint32_t agg_size;
		uint32_t agg_count;
		} ingress_format;

		/* Input values for the RMNET_IOCTL_SET_OFFLOAD */
		struct {
		uint32_t flags;
		uint8_t mux_id;
		} offload_params;
		} u;
		};

		struct rmnet_ioctl_data_s {
		union {
		uint32_t operation_mode;
		uint32_t tcm_handle;
		} u;
		};

		#define RMNET_IOCTL_QOS_MODE_6 (1<<0)
		#define RMNET_IOCTL_QOS_MODE_8 (1<<1)

		/* QMI QoS header definition */
		struct QMI_QOS_HDR_S {
		unsigned char version;
		unsigned char flags;
		uint32_t flow_id;
		} __attribute((__packed__));

		/* QMI QoS 8-byte header. */
		struct qmi_qos_hdr8_s {
		struct QMI_QOS_HDR_S hdr;
		uint8_t reserved[2];
		} __attribute((__packed__));

		#endif /* _UAPI_MSM_RMNET_H_ */

include/uapi/linux/rmnet_data.h

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		/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
		/*
		* Copyright (c) 2018-2019, 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_ */