/*
* Intel Wireless WiMax Connection 2400m
* Host-Device protocol interface definitions
*
*
* Copyright (C) 2007-2008 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* Intel Corporation <linux-wimax@intel.com>
* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
* - Initial implementation
*
*
* This header defines the data structures and constants used to
* communicate with the device.
*
* BOOTMODE/BOOTROM/FIRMWARE UPLOAD PROTOCOL
*
* The firmware upload protocol is quite simple and only requires a
* handful of commands. See drivers/net/wimax/i2400m/fw.c for more
* details.
*
* The BCF data structure is for the firmware file header.
*
*
* THE DATA / CONTROL PROTOCOL
*
* This is the normal protocol spoken with the device once the
* firmware is uploaded. It transports data payloads and control
* messages back and forth.
*
* It consists 'messages' that pack one or more payloads each. The
* format is described in detail in drivers/net/wimax/i2400m/rx.c and
* tx.c.
*
*
* THE L3L4 PROTOCOL
*
* The term L3L4 refers to Layer 3 (the device), Layer 4 (the
* driver/host software).
*
* This is the control protocol used by the host to control the i2400m
* device (scan, connect, disconnect...). This is sent to / received
* as control frames. These frames consist of a header and zero or
* more TLVs with information. We call each control frame a "message".
*
* Each message is composed of:
*
* HEADER
* [TLV0 + PAYLOAD0]
* [TLV1 + PAYLOAD1]
* [...]
* [TLVN + PAYLOADN]
*
* The HEADER is defined by 'struct i2400m_l3l4_hdr'. The payloads are
* defined by a TLV structure (Type Length Value) which is a 'header'
* (struct i2400m_tlv_hdr) and then the payload.
*
* All integers are represented as Little Endian.
*
* - REQUESTS AND EVENTS
*
* The requests can be clasified as follows:
*
* COMMAND: implies a request from the host to the device requesting
* an action being performed. The device will reply with a
* message (with the same type as the command), status and
* no (TLV) payload. Execution of a command might cause
* events (of different type) to be sent later on as
* device's state changes.
*
* GET/SET: similar to COMMAND, but will not cause other
* EVENTs. The reply, in the case of GET, will contain
* TLVs with the requested information.
*
* EVENT: asynchronous messages sent from the device, maybe as a
* consequence of previous COMMANDs but disassociated from
* them.
*
* Only one request might be pending at the same time (ie: don't
* parallelize nor post another GET request before the previous
* COMMAND has been acknowledged with it's corresponding reply by the
* device).
*
* The different requests and their formats are described below:
*
* I2400M_MT_* Message types
* I2400M_MS_* Message status (for replies, events)
* i2400m_tlv_* TLVs
*
* data types are named 'struct i2400m_msg_OPNAME', OPNAME matching the
* operation.
*/
#ifndef __LINUX__WIMAX__I2400M_H__
#define __LINUX__WIMAX__I2400M_H__
#include <linux/types.h>
/*
* Host Device Interface (HDI) common to all busses
*/
/* Boot-mode (firmware upload mode) commands */
/* Header for the firmware file */
struct i2400m_bcf_hdr {
__le32 module_type;
__le32 header_len;
__le32 header_version;
__le32 module_id;
__le32 module_vendor;
__le32 date; /* BCD YYYMMDD */
__le32 size; /* in dwords */
__le32 key_size; /* in dwords */
__le32 modulus_size; /* in dwords */
__le32 exponent_size; /* in dwords */
__u8 reserved[88];
} __attribute__ ((packed));
/* Boot mode opcodes */
enum i2400m_brh_opcode {
I2400M_BRH_READ = 1,
I2400M_BRH_WRITE = 2,
I2400M_BRH_JUMP = 3,
I2400M_BRH_SIGNED_JUMP = 8,
I2400M_BRH_HASH_PAYLOAD_ONLY = 9,
};
/* Boot mode command masks and stuff */
enum i2400m_brh {
I2400M_BRH_SIGNATURE = 0xcbbc0000,
I2400M_BRH_SIGNATURE_MASK = 0xffff0000,
I2400M_BRH_SIGNATURE_SHIFT = 16,
I2400M_BRH_OPCODE_MASK = 0x0000000f,
I2400M_BRH_RESPONSE_MASK = 0x000000f0,
I2400M_BRH_RESPONSE_SHIFT = 4,
I2400M_BRH_DIRECT_ACCESS = 0x00000400,
I2400M_BRH_RESPONSE_REQUIRED = 0x00000200,
I2400M_BRH_USE_CHECKSUM = 0x00000100,
};
/**
* i2400m_bootrom_header - Header for a boot-mode command
*
* @cmd: the above command descriptor
* @target_addr: where on the device memory should the action be performed.
* @data_size: for read/write, amount of data to be read/written
* @block_checksum: checksum value (if applicable)
* @payload: the beginning of data attached to this header
*/
struct i2400m_bootrom_header {
__le32 command; /* Compose with enum i2400_brh */
__le32 target_addr;
__le32 data_size;
__le32 block_checksum;
char payload[0];
} __attribute__ ((packed));
/*
* Data / control protocol
*/
/* Packet types for the host-device interface */
enum i2400m_pt {
I2400M_PT_DATA = 0,
I2400M_PT_CTRL,
I2400M_PT_TRACE, /* For device debug */
I2400M_PT_RESET_WARM, /* device reset */
I2400M_PT_RESET_COLD, /* USB[transport] reset, like reconnect */
I2400M_PT_EDATA, /* Extended RX data */
I2400M_PT_ILLEGAL
};
/*
* Payload for a data packet
*
* This is prefixed to each and every outgoing DATA type.
*/
struct i2400m_pl_data_hdr {
__le32 reserved;
} __attribute__((packed));
/*
* Payload for an extended data packet
*
* New in fw v1.4
*
* @reorder: if this payload has to be reorder or not (and how)
* @cs: the type of data in the packet, as defined per (802.16e
* T11.13.19.1). Currently only 2 (IPv4 packet) supported.
*
* This is prefixed to each and every INCOMING DATA packet.
*/
struct i2400m_pl_edata_hdr {
__le32 reorder; /* bits defined in i2400m_ro */
__u8 cs;
__u8 reserved[11];
} __attribute__((packed));
enum i2400m_cs {
I2400M_CS_IPV4_0 = 0,
I2400M_CS_IPV4 = 2,
};
enum i2400m_ro {
I2400M_RO_NEEDED = 0x01,
I2400M_RO_TYPE = 0x03,
I2400M_RO_TYPE_SHIFT = 1,
I2400M_RO_CIN = 0x0f,
I2400M_RO_CIN_SHIFT = 4,
I2400M_RO_FBN = 0x07ff,
I2400M_RO_FBN_SHIFT = 8,
I2400M_RO_SN = 0x07ff,
I2400M_RO_SN_SHIFT = 21,
};
enum i2400m_ro_type {
I2400M_RO_TYPE_RESET = 0,
I2400M_RO_TYPE_PACKET,
I2400M_RO_TYPE_WS,
I2400M_RO_TYPE_PACKET_WS,
};
/* Misc constants */
enum {
I2400M_PL_ALIGN = 16, /* Payload data size alignment */
I2400M_PL_SIZE_MAX = 0x3EFF,
I2400M_MAX_PLS_IN_MSG = 60,
/* protocol barkers: sync sequences; for notifications they
* are sent in groups of four. */
I2400M_H2D_PREVIEW_BARKER = 0xcafe900d,
I2400M_COLD_RESET_BARKER = 0xc01dc01d,
I2400M_WARM_RESET_BARKER = 0x50f750f7,
I2400M_NBOOT_BARKER = 0xdeadbeef,
I2400M_SBOOT_BARKER = 0x0ff1c1a1,
I2400M_SBOOT_BARKER_6050 = 0x80000001,
I2400M_ACK_BARKER = 0xfeedbabe,
I2400M_D2H_MSG_BARKER = 0xbeefbabe,
};
/*
* Hardware payload descriptor
*
* Bitfields encoded in a struct to enforce typing semantics.
*
* Look in rx.c and tx.c for a full description of the format.
*/
struct i2400m_pld {
__le32 val;
} __attribute__ ((packed));
#define I2400M_PLD_SIZE_MASK 0x00003fff
#define I2400M_PLD_TYPE_SHIFT 16
#define I2400M_PLD_TYPE_MASK 0x000f0000
/*
* Header for a TX message or RX message
*
* @barker: preamble
* @size: used for management of the FIFO queue buffer; before
* sending, this is converted to be a real preamble. This
* indicates the real size of the TX message that starts at this
* point. If the highest bit is set, then this message is to be
* skipped.
* @sequence: sequence number of this message
* @offset: offset where the message itself starts -- see the comments
* in the file header about message header and payload descriptor
* alignment.
* @num_pls: number of payloads in this message
* @padding: amount of padding bytes at the end of the message to make
* it be of block-size aligned
*
* Look in rx.c and tx.c for a full description of the format.
*/
struct i2400m_msg_hdr {
union {
__le32 barker;
__u32 size; /* same size type as barker!! */
};
union {
__le32 sequence;
__u32 offset; /* same size type as barker!! */
};
__le16 num_pls;
__le16 rsv1;
__le16 padding;
__le16 rsv2;
struct i2400m_pld pld[0];
} __attribute__ ((packed));
/*
* L3/L4 control protocol
*/
enum {
/* Interface version */
I2400M_L3L4_VERSION = 0x0100,
};
/* Message types */
enum i2400m_mt {
I2400M_MT_RESERVED = 0x0000,
I2400M_MT_INVALID = 0xffff,
I2400M_MT_REPORT_MASK = 0x8000,
I2400M_MT_GET_SCAN_RESULT = 0x4202,
I2400M_MT_SET_SCAN_PARAM = 0x4402,
I2400M_MT_CMD_RF_CONTROL = 0x4602,
I2400M_MT_CMD_SCAN = 0x4603,
I2400M_MT_CMD_CONNECT = 0x4604,
I2400M_MT_CMD_DISCONNECT = 0x4605,
I2400M_MT_CMD_EXIT_IDLE = 0x4606,
I2400M_MT_GET_LM_VERSION = 0x5201,
I2400M_MT_GET_DEVICE_INFO = 0x5202,
I2400M_MT_GET_LINK_STATUS = 0x5203,
I2400M_MT_GET_STATISTICS = 0x5204,
I2400M_MT_GET_STATE = 0x5205,
I2400M_MT_GET_MEDIA_STATUS = 0x5206,
I2400M_MT_SET_INIT_CONFIG = 0x5404,
I2400M_MT_CMD_INIT = 0x5601,
I2400M_MT_CMD_TERMINATE = 0x5602,
I2400M_MT_CMD_MODE_OF_OP = 0x5603,
I2400M_MT_CMD_RESET_DEVICE = 0x5604,
I2400M_MT_CMD_MONITOR_CONTROL = 0x5605,
I2400M_MT_CMD_ENTER_POWERSAVE = 0x5606,
I2400M_MT_GET_TLS_OPERATION_RESULT = 0x6201,
I2400M_MT_SET_EAP_SUCCESS = 0x6402,
I2400M_MT_SET_EAP_FAIL = 0x6403,
I2400M_MT_SET_EAP_KEY = 0x6404,
I2400M_MT_CMD_SEND_EAP_RESPONSE = 0x6602,
I2400M_MT_REPORT_SCAN_RESULT = 0xc002,
I2400M_MT_REPORT_STATE = 0xd002,
I2400M_MT_REPORT_POWERSAVE_READY = 0xd005,
I2400M_MT_REPORT_EAP_REQUEST = 0xe002,
I2400M_MT_REPORT_EAP_RESTART = 0xe003,
I2400M_MT_REPORT_ALT_ACCEPT = 0xe004,
I2400M_MT_REPORT_KEY_REQUEST = 0xe005,
};
/*
* Message Ack Status codes
*
* When a message is replied-to, this status is reported.
*/
enum i2400m_ms {
I2400M_MS_DONE_OK = 0,
I2400M_MS_DONE_IN_PROGRESS = 1,
I2400M_MS_INVALID_OP = 2,
I2400M_MS_BAD_STATE = 3,
I2400M_MS_ILLEGAL_VALUE = 4,
I2400M_MS_MISSING_PARAMS = 5,
I2400M_MS_VERSION_ERROR = 6,
I2400M_MS_ACCESSIBILITY_ERROR = 7,
I2400M_MS_BUSY = 8,
I2400M_MS_CORRUPTED_TLV = 9,
I2400M_MS_UNINITIALIZED = 10,
I2400M_MS_UNKNOWN_ERROR = 11,
I2400M_MS_PRODUCTION_ERROR = 12,
I2400M_MS_NO_RF = 13,
I2400M_MS_NOT_READY_FOR_POWERSAVE = 14,
I2400M_MS_THERMAL_CRITICAL = 15,
I2400M_MS_MAX
};
/**
* i2400m_tlv - enumeration of the different types of TLVs
*
* TLVs stand for type-length-value and are the header for a payload
* composed of almost anything. Each payload has a type assigned
* and a length.
*/
enum i2400m_tlv {
I2400M_TLV_L4_MESSAGE_VERSIONS = 129,
I2400M_TLV_SYSTEM_STATE = 141,
I2400M_TLV_MEDIA_STATUS = 161,
I2400M_TLV_RF_OPERATION = 162,
I2400M_TLV_RF_STATUS = 163,
I2400M_TLV_DEVICE_RESET_TYPE = 132,
I2400M_TLV_CONFIG_IDLE_PARAMETERS = 601,
I2400M_TLV_CONFIG_IDLE_TIMEOUT = 611,
I2400M_TLV_CONFIG_D2H_DATA_FORMAT = 614,
I2400M_TLV_CONFIG_DL_HOST_REORDER = 615,
};
struct i2400m_tlv_hdr {
__le16 type;
__le16 length; /* payload's */
__u8 pl[0];
} __attribute__((packed));
struct i2400m_l3l4_hdr {
__le16 type;
__le16 length; /* payload's */
__le16 version;
__le16 resv1;
__le16 status;
__le16 resv2;
struct i2400m_tlv_hdr pl[0];
} __attribute__((packed));
/**
* i2400m_system_state - different states of the device
*/
enum i2400m_system_state {
I2400M_SS_UNINITIALIZED = 1,
I2400M_SS_INIT,
I2400M_SS_READY,
I2400M_SS_SCAN,
I2400M_SS_STANDBY,
I2400M_SS_CONNECTING,
I2400M_SS_WIMAX_CONNECTED,
I2400M_SS_DATA_PATH_CONNECTED,
I2400M_SS_IDLE,
I2400M_SS_DISCONNECTING,
I2400M_SS_OUT_OF_ZONE,
I2400M_SS_SLEEPACTIVE,
I2400M_SS_PRODUCTION,
I2400M_SS_CONFIG,
I2400M_SS_RF_OFF,
I2400M_SS_RF_SHUTDOWN,
I2400M_SS_DEVICE_DISCONNECT,
I2400M_SS_MAX,
};
/**
* i2400m_tlv_system_state - report on the state of the system
*
* @state: see enum i2400m_system_state
*/
struct i2400m_tlv_system_state {
struct i2400m_tlv_hdr hdr;
__le32 state;
} __attribute__((packed));
struct i2400m_tlv_l4_message_versions {
struct i2400m_tlv_hdr hdr;
__le16 major;
__le16 minor;
__le16 branch;
__le16 reserved;
} __attribute__((packed));
struct i2400m_tlv_detailed_device_info {
struct i2400m_tlv_hdr hdr;
__u8 reserved1[400];
__u8 mac_address[6];
__u8 reserved2[2];
} __attribute__((packed));
enum i2400m_rf_switch_status {
I2400M_RF_SWITCH_ON = 1,
I2400M_RF_SWITCH_OFF = 2,
};
struct i2400m_tlv_rf_switches_status {
struct i2400m_tlv_hdr hdr;
__u8 sw_rf_switch; /* 1 ON, 2 OFF */
__u8 hw_rf_switch; /* 1 ON, 2 OFF */
__u8 reserved[2];
} __attribute__((packed));
enum {
i2400m_rf_operation_on = 1,
i2400m_rf_operation_off = 2
};
struct i2400m_tlv_rf_operation {
struct i2400m_tlv_hdr hdr;
__le32 status; /* 1 ON, 2 OFF */
} __attribute__((packed));
enum i2400m_tlv_reset_type {
I2400M_RESET_TYPE_COLD = 1,
I2400M_RESET_TYPE_WARM
};
struct i2400m_tlv_device_reset_type {
struct i2400m_tlv_hdr hdr;
__le32 reset_type;
} __attribute__((packed));
struct i2400m_tlv_config_idle_parameters {
struct i2400m_tlv_hdr hdr;
__le32 idle_timeout; /* 100 to 300000 ms [5min], 100 increments
* 0 disabled */
__le32 idle_paging_interval; /* frames */
} __attribute__((packed));
enum i2400m_media_status {
I2400M_MEDIA_STATUS_LINK_UP = 1,
I2400M_MEDIA_STATUS_LINK_DOWN,
I2400M_MEDIA_STATUS_LINK_RENEW,
};
struct i2400m_tlv_media_status {
struct i2400m_tlv_hdr hdr;
__le32 media_status;
} __attribute__((packed));
/* New in v1.4 */
struct i2400m_tlv_config_idle_timeout {
struct i2400m_tlv_hdr hdr;
__le32 timeout; /* 100 to 300000 ms [5min], 100 increments
* 0 disabled */
} __attribute__((packed));
/* New in v1.4 -- for backward compat, will be removed */
struct i2400m_tlv_config_d2h_data_format {
struct i2400m_tlv_hdr hdr;
__u8 format; /* 0 old format, 1 enhanced */
__u8 reserved[3];
} __attribute__((packed));
/* New in v1.4 */
struct i2400m_tlv_config_dl_host_reorder {
struct i2400m_tlv_hdr hdr;
__u8 reorder; /* 0 disabled, 1 enabled */
__u8 reserved[3];
} __attribute__((packed));
#endif /* #ifndef __LINUX__WIMAX__I2400M_H__ */