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uwb
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spec.h
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/* * Ultra Wide Band * UWB Standard definitions * * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. * * * All these definitions are based on the ECMA-368 standard. * * Note all definitions are Little Endian in the wire, and we will * convert them to host order before operating on the bitfields (that * yes, we use extensively). */ #ifndef __LINUX__UWB_SPEC_H__ #define __LINUX__UWB_SPEC_H__ #include <linux/types.h> #include <linux/bitmap.h> #define i1480_FW 0x00000303 /* #define i1480_FW 0x00000302 */ /** * Number of Medium Access Slots in a superframe. * * UWB divides time in SuperFrames, each one divided in 256 pieces, or * Medium Access Slots. See MBOA MAC[5.4.5] for details. The MAS is the * basic bandwidth allocation unit in UWB. */ enum { UWB_NUM_MAS = 256 }; /** * Number of Zones in superframe. * * UWB divides the superframe into zones with numbering starting from BPST. * See MBOA MAC[16.8.6] */ enum { UWB_NUM_ZONES = 16 }; /* * Number of MAS in a zone. */ #define UWB_MAS_PER_ZONE (UWB_NUM_MAS / UWB_NUM_ZONES) /* * Number of MAS required before a row can be considered available. */ #define UWB_USABLE_MAS_PER_ROW (UWB_NUM_ZONES - 1) /* * Number of streams per DRP reservation between a pair of devices. * * [ECMA-368] section 16.8.6. */ enum { UWB_NUM_STREAMS = 8 }; /* * mMasLength * * The length of a MAS in microseconds. * * [ECMA-368] section 17.16. */ enum { UWB_MAS_LENGTH_US = 256 }; /* * mBeaconSlotLength * * The length of the beacon slot in microseconds. * * [ECMA-368] section 17.16 */ enum { UWB_BEACON_SLOT_LENGTH_US = 85 }; /* * mMaxLostBeacons * * The number beacons missing in consecutive superframes before a * device can be considered as unreachable. * * [ECMA-368] section 17.16 */ enum { UWB_MAX_LOST_BEACONS = 3 }; /* * mDRPBackOffWinMin * * The minimum number of superframes to wait before trying to reserve * extra MAS. * * [ECMA-368] section 17.16 */ enum { UWB_DRP_BACKOFF_WIN_MIN = 2 }; /* * mDRPBackOffWinMax * * The maximum number of superframes to wait before trying to reserve * extra MAS. * * [ECMA-368] section 17.16 */ enum { UWB_DRP_BACKOFF_WIN_MAX = 16 }; /* * Length of a superframe in microseconds. */ #define UWB_SUPERFRAME_LENGTH_US (UWB_MAS_LENGTH_US * UWB_NUM_MAS) /** * UWB MAC address * * It is *imperative* that this struct is exactly 6 packed bytes (as * it is also used to define headers sent down and up the wire/radio). */ struct uwb_mac_addr { u8 data[6]; } __attribute__((packed)); /** * UWB device address * * It is *imperative* that this struct is exactly 6 packed bytes (as * it is also used to define headers sent down and up the wire/radio). */ struct uwb_dev_addr { u8 data[2]; } __attribute__((packed)); /** * Types of UWB addresses * * Order matters (by size). */ enum uwb_addr_type { UWB_ADDR_DEV = 0, UWB_ADDR_MAC = 1, }; /** Size of a char buffer for printing a MAC/device address */ enum { UWB_ADDR_STRSIZE = 32 }; /** UWB WiMedia protocol IDs. */ enum uwb_prid { UWB_PRID_WLP_RESERVED = 0x0000, UWB_PRID_WLP = 0x0001, UWB_PRID_WUSB_BOT = 0x0010, UWB_PRID_WUSB = 0x0010, UWB_PRID_WUSB_TOP = 0x001F, }; /** PHY Rate (MBOA MAC[7.8.12, Table 61]) */ enum uwb_phy_rate { UWB_PHY_RATE_53 = 0, UWB_PHY_RATE_80, UWB_PHY_RATE_106, UWB_PHY_RATE_160, UWB_PHY_RATE_200, UWB_PHY_RATE_320, UWB_PHY_RATE_400, UWB_PHY_RATE_480, UWB_PHY_RATE_INVALID }; /** * Different ways to scan (MBOA MAC[6.2.2, Table 8], WUSB[Table 8-78]) */ enum uwb_scan_type { UWB_SCAN_ONLY = 0, UWB_SCAN_OUTSIDE_BP, UWB_SCAN_WHILE_INACTIVE, UWB_SCAN_DISABLED, UWB_SCAN_ONLY_STARTTIME, UWB_SCAN_TOP }; /** ACK Policy types (MBOA MAC[7.2.1.3]) */ enum uwb_ack_pol { UWB_ACK_NO = 0, UWB_ACK_INM = 1, UWB_ACK_B = 2, UWB_ACK_B_REQ = 3, }; /** DRP reservation types ([ECMA-368 table 106) */ enum uwb_drp_type { UWB_DRP_TYPE_ALIEN_BP = 0, UWB_DRP_TYPE_HARD, UWB_DRP_TYPE_SOFT, UWB_DRP_TYPE_PRIVATE, UWB_DRP_TYPE_PCA, }; /** DRP Reason Codes ([ECMA-368] table 107) */ enum uwb_drp_reason { UWB_DRP_REASON_ACCEPTED = 0, UWB_DRP_REASON_CONFLICT, UWB_DRP_REASON_PENDING, UWB_DRP_REASON_DENIED, UWB_DRP_REASON_MODIFIED, }; /** Relinquish Request Reason Codes ([ECMA-368] table 113) */ enum uwb_relinquish_req_reason { UWB_RELINQUISH_REQ_REASON_NON_SPECIFIC = 0, UWB_RELINQUISH_REQ_REASON_OVER_ALLOCATION, }; /** * DRP Notification Reason Codes (WHCI 0.95 [3.1.4.9]) */ enum uwb_drp_notif_reason { UWB_DRP_NOTIF_DRP_IE_RCVD = 0, UWB_DRP_NOTIF_CONFLICT, UWB_DRP_NOTIF_TERMINATE, }; /** Allocation of MAS slots in a DRP request MBOA MAC[7.8.7] */ struct uwb_drp_alloc { __le16 zone_bm; __le16 mas_bm; } __attribute__((packed)); /** General MAC Header format (ECMA-368[16.2]) */ struct uwb_mac_frame_hdr { __le16 Frame_Control; struct uwb_dev_addr DestAddr; struct uwb_dev_addr SrcAddr; __le16 Sequence_Control; __le16 Access_Information; } __attribute__((packed)); /** * uwb_beacon_frame - a beacon frame including MAC headers * * [ECMA] section 16.3. */ struct uwb_beacon_frame { struct uwb_mac_frame_hdr hdr; struct uwb_mac_addr Device_Identifier; /* may be a NULL EUI-48 */ u8 Beacon_Slot_Number; u8 Device_Control; u8 IEData[]; } __attribute__((packed)); /** Information Element codes (MBOA MAC[T54]) */ enum uwb_ie { UWB_PCA_AVAILABILITY = 2, UWB_IE_DRP_AVAILABILITY = 8, UWB_IE_DRP = 9, UWB_BP_SWITCH_IE = 11, UWB_MAC_CAPABILITIES_IE = 12, UWB_PHY_CAPABILITIES_IE = 13, UWB_APP_SPEC_PROBE_IE = 15, UWB_IDENTIFICATION_IE = 19, UWB_MASTER_KEY_ID_IE = 20, UWB_RELINQUISH_REQUEST_IE = 21, UWB_IE_WLP = 250, /* WiMedia Logical Link Control Protocol WLP 0.99 */ UWB_APP_SPEC_IE = 255, }; /** * Header common to all Information Elements (IEs) */ struct uwb_ie_hdr { u8 element_id; /* enum uwb_ie */ u8 length; } __attribute__((packed)); /** Dynamic Reservation Protocol IE (MBOA MAC[7.8.6]) */ struct uwb_ie_drp { struct uwb_ie_hdr hdr; __le16 drp_control; struct uwb_dev_addr dev_addr; struct uwb_drp_alloc allocs[]; } __attribute__((packed)); static inline int uwb_ie_drp_type(struct uwb_ie_drp *ie) { return (le16_to_cpu(ie->drp_control) >> 0) & 0x7; } static inline int uwb_ie_drp_stream_index(struct uwb_ie_drp *ie) { return (le16_to_cpu(ie->drp_control) >> 3) & 0x7; } static inline int uwb_ie_drp_reason_code(struct uwb_ie_drp *ie) { return (le16_to_cpu(ie->drp_control) >> 6) & 0x7; } static inline int uwb_ie_drp_status(struct uwb_ie_drp *ie) { return (le16_to_cpu(ie->drp_control) >> 9) & 0x1; } static inline int uwb_ie_drp_owner(struct uwb_ie_drp *ie) { return (le16_to_cpu(ie->drp_control) >> 10) & 0x1; } static inline int uwb_ie_drp_tiebreaker(struct uwb_ie_drp *ie) { return (le16_to_cpu(ie->drp_control) >> 11) & 0x1; } static inline int uwb_ie_drp_unsafe(struct uwb_ie_drp *ie) { return (le16_to_cpu(ie->drp_control) >> 12) & 0x1; } static inline void uwb_ie_drp_set_type(struct uwb_ie_drp *ie, enum uwb_drp_type type) { u16 drp_control = le16_to_cpu(ie->drp_control); drp_control = (drp_control & ~(0x7 << 0)) | (type << 0); ie->drp_control = cpu_to_le16(drp_control); } static inline void uwb_ie_drp_set_stream_index(struct uwb_ie_drp *ie, int stream_index) { u16 drp_control = le16_to_cpu(ie->drp_control); drp_control = (drp_control & ~(0x7 << 3)) | (stream_index << 3); ie->drp_control = cpu_to_le16(drp_control); } static inline void uwb_ie_drp_set_reason_code(struct uwb_ie_drp *ie, enum uwb_drp_reason reason_code) { u16 drp_control = le16_to_cpu(ie->drp_control); drp_control = (ie->drp_control & ~(0x7 << 6)) | (reason_code << 6); ie->drp_control = cpu_to_le16(drp_control); } static inline void uwb_ie_drp_set_status(struct uwb_ie_drp *ie, int status) { u16 drp_control = le16_to_cpu(ie->drp_control); drp_control = (drp_control & ~(0x1 << 9)) | (status << 9); ie->drp_control = cpu_to_le16(drp_control); } static inline void uwb_ie_drp_set_owner(struct uwb_ie_drp *ie, int owner) { u16 drp_control = le16_to_cpu(ie->drp_control); drp_control = (drp_control & ~(0x1 << 10)) | (owner << 10); ie->drp_control = cpu_to_le16(drp_control); } static inline void uwb_ie_drp_set_tiebreaker(struct uwb_ie_drp *ie, int tiebreaker) { u16 drp_control = le16_to_cpu(ie->drp_control); drp_control = (drp_control & ~(0x1 << 11)) | (tiebreaker << 11); ie->drp_control = cpu_to_le16(drp_control); } static inline void uwb_ie_drp_set_unsafe(struct uwb_ie_drp *ie, int unsafe) { u16 drp_control = le16_to_cpu(ie->drp_control); drp_control = (drp_control & ~(0x1 << 12)) | (unsafe << 12); ie->drp_control = cpu_to_le16(drp_control); } /** Dynamic Reservation Protocol IE (MBOA MAC[7.8.7]) */ struct uwb_ie_drp_avail { struct uwb_ie_hdr hdr; DECLARE_BITMAP(bmp, UWB_NUM_MAS); } __attribute__((packed)); /* Relinqish Request IE ([ECMA-368] section 16.8.19). */ struct uwb_relinquish_request_ie { struct uwb_ie_hdr hdr; __le16 relinquish_req_control; struct uwb_dev_addr dev_addr; struct uwb_drp_alloc allocs[]; } __attribute__((packed)); static inline int uwb_ie_relinquish_req_reason_code(struct uwb_relinquish_request_ie *ie) { return (le16_to_cpu(ie->relinquish_req_control) >> 0) & 0xf; } static inline void uwb_ie_relinquish_req_set_reason_code(struct uwb_relinquish_request_ie *ie, int reason_code) { u16 ctrl = le16_to_cpu(ie->relinquish_req_control); ctrl = (ctrl & ~(0xf << 0)) | (reason_code << 0); ie->relinquish_req_control = cpu_to_le16(ctrl); } /** * The Vendor ID is set to an OUI that indicates the vendor of the device. * ECMA-368 [16.8.10] */ struct uwb_vendor_id { u8 data[3]; } __attribute__((packed)); /** * The device type ID * FIXME: clarify what this means * ECMA-368 [16.8.10] */ struct uwb_device_type_id { u8 data[3]; } __attribute__((packed)); /** * UWB device information types * ECMA-368 [16.8.10] */ enum uwb_dev_info_type { UWB_DEV_INFO_VENDOR_ID = 0, UWB_DEV_INFO_VENDOR_TYPE, UWB_DEV_INFO_NAME, }; /** * UWB device information found in Identification IE * ECMA-368 [16.8.10] */ struct uwb_dev_info { u8 type; /* enum uwb_dev_info_type */ u8 length; u8 data[]; } __attribute__((packed)); /** * UWB Identification IE * ECMA-368 [16.8.10] */ struct uwb_identification_ie { struct uwb_ie_hdr hdr; struct uwb_dev_info info[]; } __attribute__((packed)); /* * UWB Radio Controller * * These definitions are common to the Radio Control layers as * exported by the WUSB1.0 HWA and WHCI interfaces. */ /** Radio Control Command Block (WUSB1.0[Table 8-65] and WHCI 0.95) */ struct uwb_rccb { u8 bCommandType; /* enum hwa_cet */ __le16 wCommand; /* Command code */ u8 bCommandContext; /* Context ID */ } __attribute__((packed)); /** Radio Control Event Block (WUSB[table 8-66], WHCI 0.95) */ struct uwb_rceb { u8 bEventType; /* enum hwa_cet */ __le16 wEvent; /* Event code */ u8 bEventContext; /* Context ID */ } __attribute__((packed)); enum { UWB_RC_CET_GENERAL = 0, /* General Command/Event type */ UWB_RC_CET_EX_TYPE_1 = 1, /* Extended Type 1 Command/Event type */ }; /* Commands to the radio controller */ enum uwb_rc_cmd { UWB_RC_CMD_CHANNEL_CHANGE = 16, UWB_RC_CMD_DEV_ADDR_MGMT = 17, /* Device Address Management */ UWB_RC_CMD_GET_IE = 18, /* GET Information Elements */ UWB_RC_CMD_RESET = 19, UWB_RC_CMD_SCAN = 20, /* Scan management */ UWB_RC_CMD_SET_BEACON_FILTER = 21, UWB_RC_CMD_SET_DRP_IE = 22, /* Dynamic Reservation Protocol IEs */ UWB_RC_CMD_SET_IE = 23, /* Information Element management */ UWB_RC_CMD_SET_NOTIFICATION_FILTER = 24, UWB_RC_CMD_SET_TX_POWER = 25, UWB_RC_CMD_SLEEP = 26, UWB_RC_CMD_START_BEACON = 27, UWB_RC_CMD_STOP_BEACON = 28, UWB_RC_CMD_BP_MERGE = 29, UWB_RC_CMD_SEND_COMMAND_FRAME = 30, UWB_RC_CMD_SET_ASIE_NOTIF = 31, }; /* Notifications from the radio controller */ enum uwb_rc_evt { UWB_RC_EVT_IE_RCV = 0, UWB_RC_EVT_BEACON = 1, UWB_RC_EVT_BEACON_SIZE = 2, UWB_RC_EVT_BPOIE_CHANGE = 3, UWB_RC_EVT_BP_SLOT_CHANGE = 4, UWB_RC_EVT_BP_SWITCH_IE_RCV = 5, UWB_RC_EVT_DEV_ADDR_CONFLICT = 6, UWB_RC_EVT_DRP_AVAIL = 7, UWB_RC_EVT_DRP = 8, UWB_RC_EVT_BP_SWITCH_STATUS = 9, UWB_RC_EVT_CMD_FRAME_RCV = 10, UWB_RC_EVT_CHANNEL_CHANGE_IE_RCV = 11, /* Events (command responses) use the same code as the command */ UWB_RC_EVT_UNKNOWN_CMD_RCV = 65535, }; enum uwb_rc_extended_type_1_cmd { UWB_RC_SET_DAA_ENERGY_MASK = 32, UWB_RC_SET_NOTIFICATION_FILTER_EX = 33, }; enum uwb_rc_extended_type_1_evt { UWB_RC_DAA_ENERGY_DETECTED = 0, }; /* Radio Control Result Code. [WHCI] table 3-3. */ enum { UWB_RC_RES_SUCCESS = 0, UWB_RC_RES_FAIL, UWB_RC_RES_FAIL_HARDWARE, UWB_RC_RES_FAIL_NO_SLOTS, UWB_RC_RES_FAIL_BEACON_TOO_LARGE, UWB_RC_RES_FAIL_INVALID_PARAMETER, UWB_RC_RES_FAIL_UNSUPPORTED_PWR_LEVEL, UWB_RC_RES_FAIL_INVALID_IE_DATA, UWB_RC_RES_FAIL_BEACON_SIZE_EXCEEDED, UWB_RC_RES_FAIL_CANCELLED, UWB_RC_RES_FAIL_INVALID_STATE, UWB_RC_RES_FAIL_INVALID_SIZE, UWB_RC_RES_FAIL_ACK_NOT_RECEIVED, UWB_RC_RES_FAIL_NO_MORE_ASIE_NOTIF, UWB_RC_RES_FAIL_TIME_OUT = 255, }; /* Confirm event. [WHCI] section 3.1.3.1 etc. */ struct uwb_rc_evt_confirm { struct uwb_rceb rceb; u8 bResultCode; } __attribute__((packed)); /* Device Address Management event. [WHCI] section 3.1.3.2. */ struct uwb_rc_evt_dev_addr_mgmt { struct uwb_rceb rceb; u8 baAddr[6]; u8 bResultCode; } __attribute__((packed)); /* Get IE Event. [WHCI] section 3.1.3.3. */ struct uwb_rc_evt_get_ie { struct uwb_rceb rceb; __le16 wIELength; u8 IEData[]; } __attribute__((packed)); /* Set DRP IE Event. [WHCI] section 3.1.3.7. */ struct uwb_rc_evt_set_drp_ie { struct uwb_rceb rceb; __le16 wRemainingSpace; u8 bResultCode; } __attribute__((packed)); /* Set IE Event. [WHCI] section 3.1.3.8. */ struct uwb_rc_evt_set_ie { struct uwb_rceb rceb; __le16 RemainingSpace; u8 bResultCode; } __attribute__((packed)); /* Scan command. [WHCI] 3.1.3.5. */ struct uwb_rc_cmd_scan { struct uwb_rccb rccb; u8 bChannelNumber; u8 bScanState; __le16 wStartTime; } __attribute__((packed)); /* Set DRP IE command. [WHCI] section 3.1.3.7. */ struct uwb_rc_cmd_set_drp_ie { struct uwb_rccb rccb; __le16 wIELength; struct uwb_ie_drp IEData[]; } __attribute__((packed)); /* Set IE command. [WHCI] section 3.1.3.8. */ struct uwb_rc_cmd_set_ie { struct uwb_rccb rccb; __le16 wIELength; u8 IEData[]; } __attribute__((packed)); /* Set DAA Energy Mask event. [WHCI 0.96] section 3.1.3.17. */ struct uwb_rc_evt_set_daa_energy_mask { struct uwb_rceb rceb; __le16 wLength; u8 result; } __attribute__((packed)); /* Set Notification Filter Extended event. [WHCI 0.96] section 3.1.3.18. */ struct uwb_rc_evt_set_notification_filter_ex { struct uwb_rceb rceb; __le16 wLength; u8 result; } __attribute__((packed)); /* IE Received notification. [WHCI] section 3.1.4.1. */ struct uwb_rc_evt_ie_rcv { struct uwb_rceb rceb; struct uwb_dev_addr SrcAddr; __le16 wIELength; u8 IEData[]; } __attribute__((packed)); /* Type of the received beacon. [WHCI] section 3.1.4.2. */ enum uwb_rc_beacon_type { UWB_RC_BEACON_TYPE_SCAN = 0, UWB_RC_BEACON_TYPE_NEIGHBOR, UWB_RC_BEACON_TYPE_OL_ALIEN, UWB_RC_BEACON_TYPE_NOL_ALIEN, }; /* Beacon received notification. [WHCI] 3.1.4.2. */ struct uwb_rc_evt_beacon { struct uwb_rceb rceb; u8 bChannelNumber; u8 bBeaconType; __le16 wBPSTOffset; u8 bLQI; u8 bRSSI; __le16 wBeaconInfoLength; u8 BeaconInfo[]; } __attribute__((packed)); /* Beacon Size Change notification. [WHCI] section 3.1.4.3 */ struct uwb_rc_evt_beacon_size { struct uwb_rceb rceb; __le16 wNewBeaconSize; } __attribute__((packed)); /* BPOIE Change notification. [WHCI] section 3.1.4.4. */ struct uwb_rc_evt_bpoie_change { struct uwb_rceb rceb; __le16 wBPOIELength; u8 BPOIE[]; } __attribute__((packed)); /* Beacon Slot Change notification. [WHCI] section 3.1.4.5. */ struct uwb_rc_evt_bp_slot_change { struct uwb_rceb rceb; u8 slot_info; } __attribute__((packed)); static inline int uwb_rc_evt_bp_slot_change_slot_num( const struct uwb_rc_evt_bp_slot_change *evt) { return evt->slot_info & 0x7f; } static inline int uwb_rc_evt_bp_slot_change_no_slot( const struct uwb_rc_evt_bp_slot_change *evt) { return (evt->slot_info & 0x80) >> 7; } /* BP Switch IE Received notification. [WHCI] section 3.1.4.6. */ struct uwb_rc_evt_bp_switch_ie_rcv { struct uwb_rceb rceb; struct uwb_dev_addr wSrcAddr; __le16 wIELength; u8 IEData[]; } __attribute__((packed)); /* DevAddr Conflict notification. [WHCI] section 3.1.4.7. */ struct uwb_rc_evt_dev_addr_conflict { struct uwb_rceb rceb; } __attribute__((packed)); /* DRP notification. [WHCI] section 3.1.4.9. */ struct uwb_rc_evt_drp { struct uwb_rceb rceb; struct uwb_dev_addr src_addr; u8 reason; u8 beacon_slot_number; __le16 ie_length; u8 ie_data[]; } __attribute__((packed)); static inline enum uwb_drp_notif_reason uwb_rc_evt_drp_reason(struct uwb_rc_evt_drp *evt) { return evt->reason & 0x0f; } /* DRP Availability Change notification. [WHCI] section 3.1.4.8. */ struct uwb_rc_evt_drp_avail { struct uwb_rceb rceb; DECLARE_BITMAP(bmp, UWB_NUM_MAS); } __attribute__((packed)); /* BP switch status notification. [WHCI] section 3.1.4.10. */ struct uwb_rc_evt_bp_switch_status { struct uwb_rceb rceb; u8 status; u8 slot_offset; __le16 bpst_offset; u8 move_countdown; } __attribute__((packed)); /* Command Frame Received notification. [WHCI] section 3.1.4.11. */ struct uwb_rc_evt_cmd_frame_rcv { struct uwb_rceb rceb; __le16 receive_time; struct uwb_dev_addr wSrcAddr; struct uwb_dev_addr wDstAddr; __le16 control; __le16 reserved; __le16 dataLength; u8 data[]; } __attribute__((packed)); /* Channel Change IE Received notification. [WHCI] section 3.1.4.12. */ struct uwb_rc_evt_channel_change_ie_rcv { struct uwb_rceb rceb; struct uwb_dev_addr wSrcAddr; __le16 wIELength; u8 IEData[]; } __attribute__((packed)); /* DAA Energy Detected notification. [WHCI 0.96] section 3.1.4.14. */ struct uwb_rc_evt_daa_energy_detected { struct uwb_rceb rceb; __le16 wLength; u8 bandID; u8 reserved; u8 toneBmp[16]; } __attribute__((packed)); /** * Radio Control Interface Class Descriptor * * WUSB 1.0 [8.6.1.2] */ struct uwb_rc_control_intf_class_desc { u8 bLength; u8 bDescriptorType; __le16 bcdRCIVersion; } __attribute__((packed)); #endif /* #ifndef __LINUX__UWB_SPEC_H__ */
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