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251 lines
8.2 KiB
251 lines
8.2 KiB
/* |
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* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 and |
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* only version 2 as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* RMNET Data configuration specification |
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*/ |
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#ifndef _RMNET_DATA_H_ |
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#define _RMNET_DATA_H_ |
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/* ***************** Constants ********************************************** */ |
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#define RMNET_LOCAL_LOGICAL_ENDPOINT -1 |
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#define RMNET_EGRESS_FORMAT__RESERVED__ (1<<0) |
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#define RMNET_EGRESS_FORMAT_MAP (1<<1) |
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#define RMNET_EGRESS_FORMAT_AGGREGATION (1<<2) |
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#define RMNET_EGRESS_FORMAT_MUXING (1<<3) |
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#define RMNET_EGRESS_FORMAT_MAP_CKSUMV3 (1<<4) |
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#define RMNET_INGRESS_FIX_ETHERNET (1<<0) |
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#define RMNET_INGRESS_FORMAT_MAP (1<<1) |
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#define RMNET_INGRESS_FORMAT_DEAGGREGATION (1<<2) |
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#define RMNET_INGRESS_FORMAT_DEMUXING (1<<3) |
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#define RMNET_INGRESS_FORMAT_MAP_COMMANDS (1<<4) |
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#define RMNET_INGRESS_FORMAT_MAP_CKSUMV3 (1<<5) |
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/* ***************** Netlink API ******************************************** */ |
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#define RMNET_NETLINK_PROTO 31 |
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#define RMNET_MAX_STR_LEN 16 |
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#define RMNET_NL_DATA_MAX_LEN 64 |
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#define RMNET_NETLINK_MSG_COMMAND 0 |
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#define RMNET_NETLINK_MSG_RETURNCODE 1 |
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#define RMNET_NETLINK_MSG_RETURNDATA 2 |
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struct rmnet_nl_msg_s { |
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uint16_t reserved; |
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uint16_t message_type; |
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uint16_t reserved2:14; |
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uint16_t crd:2; |
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union { |
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uint16_t arg_length; |
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uint16_t return_code; |
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}; |
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union { |
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uint8_t data[RMNET_NL_DATA_MAX_LEN]; |
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struct { |
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uint8_t dev[RMNET_MAX_STR_LEN]; |
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uint32_t flags; |
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uint16_t agg_size; |
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uint16_t agg_count; |
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uint8_t tail_spacing; |
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} data_format; |
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struct { |
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uint8_t dev[RMNET_MAX_STR_LEN]; |
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int32_t ep_id; |
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uint8_t operating_mode; |
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uint8_t next_dev[RMNET_MAX_STR_LEN]; |
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} local_ep_config; |
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struct { |
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uint32_t id; |
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uint8_t vnd_name[RMNET_MAX_STR_LEN]; |
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} vnd; |
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struct { |
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uint32_t id; |
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uint32_t map_flow_id; |
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uint32_t tc_flow_id; |
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} flow_control; |
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}; |
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}; |
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enum rmnet_netlink_message_types_e { |
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/* |
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* RMNET_NETLINK_ASSOCIATE_NETWORK_DEVICE - Register RMNET data driver |
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* on a particular device. |
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15 |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_ASSOCIATE_NETWORK_DEVICE, |
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/* |
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* RMNET_NETLINK_UNASSOCIATE_NETWORK_DEVICE - Unregister RMNET data |
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* driver on a particular |
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* device. |
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15 |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_UNASSOCIATE_NETWORK_DEVICE, |
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/* |
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* RMNET_NETLINK_GET_NETWORK_DEVICE_ASSOCIATED - Get if RMNET data |
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* driver is registered on a |
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* particular device. |
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15 |
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* Returns: 1 if registered, 0 if not |
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*/ |
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RMNET_NETLINK_GET_NETWORK_DEVICE_ASSOCIATED, |
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/* |
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* RMNET_NETLINK_SET_LINK_EGRESS_DATA_FORMAT - Sets the egress data |
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* format for a particular |
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* link. |
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* Args: uint32_t egress_flags |
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* char[] dev_name: Null terminated ASCII string, max length: 15 |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_SET_LINK_EGRESS_DATA_FORMAT, |
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/* |
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* RMNET_NETLINK_GET_LINK_EGRESS_DATA_FORMAT - Gets the egress data |
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* format for a particular |
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* link. |
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15 |
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* Returns: 4-bytes data: uint32_t egress_flags |
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*/ |
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RMNET_NETLINK_GET_LINK_EGRESS_DATA_FORMAT, |
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/* |
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* RMNET_NETLINK_SET_LINK_INGRESS_DATA_FORMAT - Sets the ingress data |
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* format for a particular |
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* link. |
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* Args: uint32_t ingress_flags |
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* char[] dev_name: Null terminated ASCII string, max length: 15 |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_SET_LINK_INGRESS_DATA_FORMAT, |
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/* |
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* RMNET_NETLINK_GET_LINK_INGRESS_DATA_FORMAT - Gets the ingress data |
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* format for a particular |
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* link. |
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15 |
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* Returns: 4-bytes data: uint32_t ingress_flags |
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*/ |
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RMNET_NETLINK_GET_LINK_INGRESS_DATA_FORMAT, |
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/* |
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* RMNET_NETLINK_SET_LOGICAL_EP_CONFIG - Sets the logical endpoint |
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* configuration for a particular |
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* link. |
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15 |
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* int32_t logical_ep_id, valid values are -1 through 31 |
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* uint8_t rmnet_mode: one of none, vnd, bridged |
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* char[] egress_dev_name: Egress device if operating in bridge mode |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_SET_LOGICAL_EP_CONFIG, |
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/* |
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* RMNET_NETLINK_UNSET_LOGICAL_EP_CONFIG - Un-sets the logical endpoint |
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* configuration for a particular |
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* link. |
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15 |
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* int32_t logical_ep_id, valid values are -1 through 31 |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_UNSET_LOGICAL_EP_CONFIG, |
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/* |
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* RMNET_NETLINK_GET_LOGICAL_EP_CONFIG - Gets the logical endpoint |
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* configuration for a particular |
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* link. |
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* Args: char[] dev_name: Null terminated ASCII string, max length: 15 |
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* int32_t logical_ep_id, valid values are -1 through 31 |
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* Returns: uint8_t rmnet_mode: one of none, vnd, bridged |
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* char[] egress_dev_name: Egress device |
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*/ |
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RMNET_NETLINK_GET_LOGICAL_EP_CONFIG, |
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/* |
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* RMNET_NETLINK_NEW_VND - Creates a new virtual network device node |
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* Args: int32_t node number |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_NEW_VND, |
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/* |
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* RMNET_NETLINK_NEW_VND_WITH_PREFIX - Creates a new virtual network |
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* device node with the specified |
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* prefix for the device name |
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* Args: int32_t node number |
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* char[] vnd_name - Use as prefix |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_NEW_VND_WITH_PREFIX, |
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/* |
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* RMNET_NETLINK_GET_VND_NAME - Gets the string name of a VND from ID |
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* Args: int32_t node number |
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* Returns: char[] vnd_name |
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*/ |
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RMNET_NETLINK_GET_VND_NAME, |
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/* |
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* RMNET_NETLINK_FREE_VND - Removes virtual network device node |
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* Args: int32_t node number |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_FREE_VND, |
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/* |
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* RMNET_NETLINK_ADD_VND_TC_FLOW - Add flow control handle on VND |
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* Args: int32_t node number |
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* uint32_t MAP Flow Handle |
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* uint32_t TC Flow Handle |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_ADD_VND_TC_FLOW, |
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/* |
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* RMNET_NETLINK_DEL_VND_TC_FLOW - Removes flow control handle on VND |
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* Args: int32_t node number |
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* uint32_t MAP Flow Handle |
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* Returns: status code |
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*/ |
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RMNET_NETLINK_DEL_VND_TC_FLOW |
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}; |
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enum rmnet_config_endpoint_modes_e { |
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/* Pass the frame up the stack with no modifications to skb->dev */ |
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RMNET_EPMODE_NONE, |
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/* Replace skb->dev to a virtual rmnet device and pass up the stack */ |
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RMNET_EPMODE_VND, |
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/* Pass the frame directly to another device with dev_queue_xmit(). */ |
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RMNET_EPMODE_BRIDGE, |
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/* Must be the last item in the list */ |
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RMNET_EPMODE_LENGTH |
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}; |
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enum rmnet_config_return_codes_e { |
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RMNET_CONFIG_OK, |
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RMNET_CONFIG_UNKNOWN_MESSAGE, |
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RMNET_CONFIG_UNKNOWN_ERROR, |
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RMNET_CONFIG_NOMEM, |
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RMNET_CONFIG_DEVICE_IN_USE, |
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RMNET_CONFIG_INVALID_REQUEST, |
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RMNET_CONFIG_NO_SUCH_DEVICE, |
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RMNET_CONFIG_BAD_ARGUMENTS, |
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RMNET_CONFIG_BAD_EGRESS_DEVICE, |
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RMNET_CONFIG_TC_HANDLE_FULL |
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}; |
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#endif /* _RMNET_DATA_H_ */
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