1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * UWB Standard definitions
6 * Copyright (C) 2005-2006 Intel Corporation
9 * All these definitions are based on the ECMA-368 standard.
11 * Note all definitions are Little Endian in the wire, and we will
12 * convert them to host order before operating on the bitfields (that
13 * yes, we use extensively).
16 #ifndef __LINUX__UWB_SPEC_H__
17 #define __LINUX__UWB_SPEC_H__
19 #include <linux/types.h>
20 #include <linux/bitmap.h>
21 #include <linux/if_ether.h>
23 #define i1480_FW 0x00000303
24 /* #define i1480_FW 0x00000302 */
27 * Number of Medium Access Slots in a superframe.
29 * UWB divides time in SuperFrames, each one divided in 256 pieces, or
30 * Medium Access Slots. See MBOA MAC[5.4.5] for details. The MAS is the
31 * basic bandwidth allocation unit in UWB.
33 enum { UWB_NUM_MAS = 256 };
36 * Number of Zones in superframe.
38 * UWB divides the superframe into zones with numbering starting from BPST.
39 * See MBOA MAC[16.8.6]
41 enum { UWB_NUM_ZONES = 16 };
44 * Number of MAS in a zone.
46 #define UWB_MAS_PER_ZONE (UWB_NUM_MAS / UWB_NUM_ZONES)
49 * Number of MAS required before a row can be considered available.
51 #define UWB_USABLE_MAS_PER_ROW (UWB_NUM_ZONES - 1)
54 * Number of streams per DRP reservation between a pair of devices.
56 * [ECMA-368] section 16.8.6.
58 enum { UWB_NUM_STREAMS = 8 };
63 * The length of a MAS in microseconds.
65 * [ECMA-368] section 17.16.
67 enum { UWB_MAS_LENGTH_US = 256 };
72 * The length of the beacon slot in microseconds.
74 * [ECMA-368] section 17.16
76 enum { UWB_BEACON_SLOT_LENGTH_US = 85 };
81 * The number beacons missing in consecutive superframes before a
82 * device can be considered as unreachable.
84 * [ECMA-368] section 17.16
86 enum { UWB_MAX_LOST_BEACONS = 3 };
91 * The minimum number of superframes to wait before trying to reserve
94 * [ECMA-368] section 17.16
96 enum { UWB_DRP_BACKOFF_WIN_MIN = 2 };
101 * The maximum number of superframes to wait before trying to reserve
104 * [ECMA-368] section 17.16
106 enum { UWB_DRP_BACKOFF_WIN_MAX = 16 };
109 * Length of a superframe in microseconds.
111 #define UWB_SUPERFRAME_LENGTH_US (UWB_MAS_LENGTH_US * UWB_NUM_MAS)
116 * It is *imperative* that this struct is exactly 6 packed bytes (as
117 * it is also used to define headers sent down and up the wire/radio).
119 struct uwb_mac_addr {
121 } __attribute__((packed));
127 * It is *imperative* that this struct is exactly 6 packed bytes (as
128 * it is also used to define headers sent down and up the wire/radio).
130 struct uwb_dev_addr {
132 } __attribute__((packed));
136 * Types of UWB addresses
138 * Order matters (by size).
146 /** Size of a char buffer for printing a MAC/device address */
147 enum { UWB_ADDR_STRSIZE = 32 };
150 /** UWB WiMedia protocol IDs. */
152 UWB_PRID_WLP_RESERVED = 0x0000,
153 UWB_PRID_WLP = 0x0001,
154 UWB_PRID_WUSB_BOT = 0x0010,
155 UWB_PRID_WUSB = 0x0010,
156 UWB_PRID_WUSB_TOP = 0x001F,
160 /** PHY Rate (MBOA MAC[7.8.12, Table 61]) */
175 * Different ways to scan (MBOA MAC[6.2.2, Table 8], WUSB[Table 8-78])
180 UWB_SCAN_WHILE_INACTIVE,
182 UWB_SCAN_ONLY_STARTTIME,
187 /** ACK Policy types (MBOA MAC[7.2.1.3]) */
196 /** DRP reservation types ([ECMA-368 table 106) */
198 UWB_DRP_TYPE_ALIEN_BP = 0,
201 UWB_DRP_TYPE_PRIVATE,
206 /** DRP Reason Codes ([ECMA-368] table 107) */
207 enum uwb_drp_reason {
208 UWB_DRP_REASON_ACCEPTED = 0,
209 UWB_DRP_REASON_CONFLICT,
210 UWB_DRP_REASON_PENDING,
211 UWB_DRP_REASON_DENIED,
212 UWB_DRP_REASON_MODIFIED,
215 /** Relinquish Request Reason Codes ([ECMA-368] table 113) */
216 enum uwb_relinquish_req_reason {
217 UWB_RELINQUISH_REQ_REASON_NON_SPECIFIC = 0,
218 UWB_RELINQUISH_REQ_REASON_OVER_ALLOCATION,
222 * DRP Notification Reason Codes (WHCI 0.95 [3.1.4.9])
224 enum uwb_drp_notif_reason {
225 UWB_DRP_NOTIF_DRP_IE_RCVD = 0,
226 UWB_DRP_NOTIF_CONFLICT,
227 UWB_DRP_NOTIF_TERMINATE,
231 /** Allocation of MAS slots in a DRP request MBOA MAC[7.8.7] */
232 struct uwb_drp_alloc {
235 } __attribute__((packed));
238 /** General MAC Header format (ECMA-368[16.2]) */
239 struct uwb_mac_frame_hdr {
240 __le16 Frame_Control;
241 struct uwb_dev_addr DestAddr;
242 struct uwb_dev_addr SrcAddr;
243 __le16 Sequence_Control;
244 __le16 Access_Information;
245 } __attribute__((packed));
249 * uwb_beacon_frame - a beacon frame including MAC headers
251 * [ECMA] section 16.3.
253 struct uwb_beacon_frame {
254 struct uwb_mac_frame_hdr hdr;
255 struct uwb_mac_addr Device_Identifier; /* may be a NULL EUI-48 */
256 u8 Beacon_Slot_Number;
259 } __attribute__((packed));
262 /** Information Element codes (MBOA MAC[T54]) */
264 UWB_PCA_AVAILABILITY = 2,
265 UWB_IE_DRP_AVAILABILITY = 8,
267 UWB_BP_SWITCH_IE = 11,
268 UWB_MAC_CAPABILITIES_IE = 12,
269 UWB_PHY_CAPABILITIES_IE = 13,
270 UWB_APP_SPEC_PROBE_IE = 15,
271 UWB_IDENTIFICATION_IE = 19,
272 UWB_MASTER_KEY_ID_IE = 20,
273 UWB_RELINQUISH_REQUEST_IE = 21,
274 UWB_IE_WLP = 250, /* WiMedia Logical Link Control Protocol WLP 0.99 */
275 UWB_APP_SPEC_IE = 255,
280 * Header common to all Information Elements (IEs)
283 u8 element_id; /* enum uwb_ie */
285 } __attribute__((packed));
288 /** Dynamic Reservation Protocol IE (MBOA MAC[7.8.6]) */
290 struct uwb_ie_hdr hdr;
292 struct uwb_dev_addr dev_addr;
293 struct uwb_drp_alloc allocs[];
294 } __attribute__((packed));
296 static inline int uwb_ie_drp_type(struct uwb_ie_drp *ie)
298 return (le16_to_cpu(ie->drp_control) >> 0) & 0x7;
301 static inline int uwb_ie_drp_stream_index(struct uwb_ie_drp *ie)
303 return (le16_to_cpu(ie->drp_control) >> 3) & 0x7;
306 static inline int uwb_ie_drp_reason_code(struct uwb_ie_drp *ie)
308 return (le16_to_cpu(ie->drp_control) >> 6) & 0x7;
311 static inline int uwb_ie_drp_status(struct uwb_ie_drp *ie)
313 return (le16_to_cpu(ie->drp_control) >> 9) & 0x1;
316 static inline int uwb_ie_drp_owner(struct uwb_ie_drp *ie)
318 return (le16_to_cpu(ie->drp_control) >> 10) & 0x1;
321 static inline int uwb_ie_drp_tiebreaker(struct uwb_ie_drp *ie)
323 return (le16_to_cpu(ie->drp_control) >> 11) & 0x1;
326 static inline int uwb_ie_drp_unsafe(struct uwb_ie_drp *ie)
328 return (le16_to_cpu(ie->drp_control) >> 12) & 0x1;
331 static inline void uwb_ie_drp_set_type(struct uwb_ie_drp *ie, enum uwb_drp_type type)
333 u16 drp_control = le16_to_cpu(ie->drp_control);
334 drp_control = (drp_control & ~(0x7 << 0)) | (type << 0);
335 ie->drp_control = cpu_to_le16(drp_control);
338 static inline void uwb_ie_drp_set_stream_index(struct uwb_ie_drp *ie, int stream_index)
340 u16 drp_control = le16_to_cpu(ie->drp_control);
341 drp_control = (drp_control & ~(0x7 << 3)) | (stream_index << 3);
342 ie->drp_control = cpu_to_le16(drp_control);
345 static inline void uwb_ie_drp_set_reason_code(struct uwb_ie_drp *ie,
346 enum uwb_drp_reason reason_code)
348 u16 drp_control = le16_to_cpu(ie->drp_control);
349 drp_control = (ie->drp_control & ~(0x7 << 6)) | (reason_code << 6);
350 ie->drp_control = cpu_to_le16(drp_control);
353 static inline void uwb_ie_drp_set_status(struct uwb_ie_drp *ie, int status)
355 u16 drp_control = le16_to_cpu(ie->drp_control);
356 drp_control = (drp_control & ~(0x1 << 9)) | (status << 9);
357 ie->drp_control = cpu_to_le16(drp_control);
360 static inline void uwb_ie_drp_set_owner(struct uwb_ie_drp *ie, int owner)
362 u16 drp_control = le16_to_cpu(ie->drp_control);
363 drp_control = (drp_control & ~(0x1 << 10)) | (owner << 10);
364 ie->drp_control = cpu_to_le16(drp_control);
367 static inline void uwb_ie_drp_set_tiebreaker(struct uwb_ie_drp *ie, int tiebreaker)
369 u16 drp_control = le16_to_cpu(ie->drp_control);
370 drp_control = (drp_control & ~(0x1 << 11)) | (tiebreaker << 11);
371 ie->drp_control = cpu_to_le16(drp_control);
374 static inline void uwb_ie_drp_set_unsafe(struct uwb_ie_drp *ie, int unsafe)
376 u16 drp_control = le16_to_cpu(ie->drp_control);
377 drp_control = (drp_control & ~(0x1 << 12)) | (unsafe << 12);
378 ie->drp_control = cpu_to_le16(drp_control);
381 /** Dynamic Reservation Protocol IE (MBOA MAC[7.8.7]) */
382 struct uwb_ie_drp_avail {
383 struct uwb_ie_hdr hdr;
384 DECLARE_BITMAP(bmp, UWB_NUM_MAS);
385 } __attribute__((packed));
387 /* Relinqish Request IE ([ECMA-368] section 16.8.19). */
388 struct uwb_relinquish_request_ie {
389 struct uwb_ie_hdr hdr;
390 __le16 relinquish_req_control;
391 struct uwb_dev_addr dev_addr;
392 struct uwb_drp_alloc allocs[];
393 } __attribute__((packed));
395 static inline int uwb_ie_relinquish_req_reason_code(struct uwb_relinquish_request_ie *ie)
397 return (le16_to_cpu(ie->relinquish_req_control) >> 0) & 0xf;
400 static inline void uwb_ie_relinquish_req_set_reason_code(struct uwb_relinquish_request_ie *ie,
403 u16 ctrl = le16_to_cpu(ie->relinquish_req_control);
404 ctrl = (ctrl & ~(0xf << 0)) | (reason_code << 0);
405 ie->relinquish_req_control = cpu_to_le16(ctrl);
409 * The Vendor ID is set to an OUI that indicates the vendor of the device.
412 struct uwb_vendor_id {
414 } __attribute__((packed));
418 * FIXME: clarify what this means
421 struct uwb_device_type_id {
423 } __attribute__((packed));
427 * UWB device information types
430 enum uwb_dev_info_type {
431 UWB_DEV_INFO_VENDOR_ID = 0,
432 UWB_DEV_INFO_VENDOR_TYPE,
437 * UWB device information found in Identification IE
440 struct uwb_dev_info {
441 u8 type; /* enum uwb_dev_info_type */
444 } __attribute__((packed));
447 * UWB Identification IE
450 struct uwb_identification_ie {
451 struct uwb_ie_hdr hdr;
452 struct uwb_dev_info info[];
453 } __attribute__((packed));
456 * UWB Radio Controller
458 * These definitions are common to the Radio Control layers as
459 * exported by the WUSB1.0 HWA and WHCI interfaces.
462 /** Radio Control Command Block (WUSB1.0[Table 8-65] and WHCI 0.95) */
464 u8 bCommandType; /* enum hwa_cet */
465 __le16 wCommand; /* Command code */
466 u8 bCommandContext; /* Context ID */
467 } __attribute__((packed));
470 /** Radio Control Event Block (WUSB[table 8-66], WHCI 0.95) */
472 u8 bEventType; /* enum hwa_cet */
473 __le16 wEvent; /* Event code */
474 u8 bEventContext; /* Context ID */
475 } __attribute__((packed));
479 UWB_RC_CET_GENERAL = 0, /* General Command/Event type */
480 UWB_RC_CET_EX_TYPE_1 = 1, /* Extended Type 1 Command/Event type */
483 /* Commands to the radio controller */
485 UWB_RC_CMD_CHANNEL_CHANGE = 16,
486 UWB_RC_CMD_DEV_ADDR_MGMT = 17, /* Device Address Management */
487 UWB_RC_CMD_GET_IE = 18, /* GET Information Elements */
488 UWB_RC_CMD_RESET = 19,
489 UWB_RC_CMD_SCAN = 20, /* Scan management */
490 UWB_RC_CMD_SET_BEACON_FILTER = 21,
491 UWB_RC_CMD_SET_DRP_IE = 22, /* Dynamic Reservation Protocol IEs */
492 UWB_RC_CMD_SET_IE = 23, /* Information Element management */
493 UWB_RC_CMD_SET_NOTIFICATION_FILTER = 24,
494 UWB_RC_CMD_SET_TX_POWER = 25,
495 UWB_RC_CMD_SLEEP = 26,
496 UWB_RC_CMD_START_BEACON = 27,
497 UWB_RC_CMD_STOP_BEACON = 28,
498 UWB_RC_CMD_BP_MERGE = 29,
499 UWB_RC_CMD_SEND_COMMAND_FRAME = 30,
500 UWB_RC_CMD_SET_ASIE_NOTIF = 31,
503 /* Notifications from the radio controller */
505 UWB_RC_EVT_IE_RCV = 0,
506 UWB_RC_EVT_BEACON = 1,
507 UWB_RC_EVT_BEACON_SIZE = 2,
508 UWB_RC_EVT_BPOIE_CHANGE = 3,
509 UWB_RC_EVT_BP_SLOT_CHANGE = 4,
510 UWB_RC_EVT_BP_SWITCH_IE_RCV = 5,
511 UWB_RC_EVT_DEV_ADDR_CONFLICT = 6,
512 UWB_RC_EVT_DRP_AVAIL = 7,
514 UWB_RC_EVT_BP_SWITCH_STATUS = 9,
515 UWB_RC_EVT_CMD_FRAME_RCV = 10,
516 UWB_RC_EVT_CHANNEL_CHANGE_IE_RCV = 11,
517 /* Events (command responses) use the same code as the command */
518 UWB_RC_EVT_UNKNOWN_CMD_RCV = 65535,
521 enum uwb_rc_extended_type_1_cmd {
522 UWB_RC_SET_DAA_ENERGY_MASK = 32,
523 UWB_RC_SET_NOTIFICATION_FILTER_EX = 33,
526 enum uwb_rc_extended_type_1_evt {
527 UWB_RC_DAA_ENERGY_DETECTED = 0,
530 /* Radio Control Result Code. [WHCI] table 3-3. */
532 UWB_RC_RES_SUCCESS = 0,
534 UWB_RC_RES_FAIL_HARDWARE,
535 UWB_RC_RES_FAIL_NO_SLOTS,
536 UWB_RC_RES_FAIL_BEACON_TOO_LARGE,
537 UWB_RC_RES_FAIL_INVALID_PARAMETER,
538 UWB_RC_RES_FAIL_UNSUPPORTED_PWR_LEVEL,
539 UWB_RC_RES_FAIL_INVALID_IE_DATA,
540 UWB_RC_RES_FAIL_BEACON_SIZE_EXCEEDED,
541 UWB_RC_RES_FAIL_CANCELLED,
542 UWB_RC_RES_FAIL_INVALID_STATE,
543 UWB_RC_RES_FAIL_INVALID_SIZE,
544 UWB_RC_RES_FAIL_ACK_NOT_RECEIVED,
545 UWB_RC_RES_FAIL_NO_MORE_ASIE_NOTIF,
546 UWB_RC_RES_FAIL_TIME_OUT = 255,
549 /* Confirm event. [WHCI] section 3.1.3.1 etc. */
550 struct uwb_rc_evt_confirm {
551 struct uwb_rceb rceb;
553 } __attribute__((packed));
555 /* Device Address Management event. [WHCI] section 3.1.3.2. */
556 struct uwb_rc_evt_dev_addr_mgmt {
557 struct uwb_rceb rceb;
560 } __attribute__((packed));
563 /* Get IE Event. [WHCI] section 3.1.3.3. */
564 struct uwb_rc_evt_get_ie {
565 struct uwb_rceb rceb;
568 } __attribute__((packed));
570 /* Set DRP IE Event. [WHCI] section 3.1.3.7. */
571 struct uwb_rc_evt_set_drp_ie {
572 struct uwb_rceb rceb;
573 __le16 wRemainingSpace;
575 } __attribute__((packed));
577 /* Set IE Event. [WHCI] section 3.1.3.8. */
578 struct uwb_rc_evt_set_ie {
579 struct uwb_rceb rceb;
580 __le16 RemainingSpace;
582 } __attribute__((packed));
584 /* Scan command. [WHCI] 3.1.3.5. */
585 struct uwb_rc_cmd_scan {
586 struct uwb_rccb rccb;
590 } __attribute__((packed));
592 /* Set DRP IE command. [WHCI] section 3.1.3.7. */
593 struct uwb_rc_cmd_set_drp_ie {
594 struct uwb_rccb rccb;
596 struct uwb_ie_drp IEData[];
597 } __attribute__((packed));
599 /* Set IE command. [WHCI] section 3.1.3.8. */
600 struct uwb_rc_cmd_set_ie {
601 struct uwb_rccb rccb;
604 } __attribute__((packed));
606 /* Set DAA Energy Mask event. [WHCI 0.96] section 3.1.3.17. */
607 struct uwb_rc_evt_set_daa_energy_mask {
608 struct uwb_rceb rceb;
611 } __attribute__((packed));
613 /* Set Notification Filter Extended event. [WHCI 0.96] section 3.1.3.18. */
614 struct uwb_rc_evt_set_notification_filter_ex {
615 struct uwb_rceb rceb;
618 } __attribute__((packed));
620 /* IE Received notification. [WHCI] section 3.1.4.1. */
621 struct uwb_rc_evt_ie_rcv {
622 struct uwb_rceb rceb;
623 struct uwb_dev_addr SrcAddr;
626 } __attribute__((packed));
628 /* Type of the received beacon. [WHCI] section 3.1.4.2. */
629 enum uwb_rc_beacon_type {
630 UWB_RC_BEACON_TYPE_SCAN = 0,
631 UWB_RC_BEACON_TYPE_NEIGHBOR,
632 UWB_RC_BEACON_TYPE_OL_ALIEN,
633 UWB_RC_BEACON_TYPE_NOL_ALIEN,
636 /* Beacon received notification. [WHCI] 3.1.4.2. */
637 struct uwb_rc_evt_beacon {
638 struct uwb_rceb rceb;
644 __le16 wBeaconInfoLength;
646 } __attribute__((packed));
649 /* Beacon Size Change notification. [WHCI] section 3.1.4.3 */
650 struct uwb_rc_evt_beacon_size {
651 struct uwb_rceb rceb;
652 __le16 wNewBeaconSize;
653 } __attribute__((packed));
656 /* BPOIE Change notification. [WHCI] section 3.1.4.4. */
657 struct uwb_rc_evt_bpoie_change {
658 struct uwb_rceb rceb;
661 } __attribute__((packed));
664 /* Beacon Slot Change notification. [WHCI] section 3.1.4.5. */
665 struct uwb_rc_evt_bp_slot_change {
666 struct uwb_rceb rceb;
668 } __attribute__((packed));
670 static inline int uwb_rc_evt_bp_slot_change_slot_num(
671 const struct uwb_rc_evt_bp_slot_change *evt)
673 return evt->slot_info & 0x7f;
676 static inline int uwb_rc_evt_bp_slot_change_no_slot(
677 const struct uwb_rc_evt_bp_slot_change *evt)
679 return (evt->slot_info & 0x80) >> 7;
682 /* BP Switch IE Received notification. [WHCI] section 3.1.4.6. */
683 struct uwb_rc_evt_bp_switch_ie_rcv {
684 struct uwb_rceb rceb;
685 struct uwb_dev_addr wSrcAddr;
688 } __attribute__((packed));
690 /* DevAddr Conflict notification. [WHCI] section 3.1.4.7. */
691 struct uwb_rc_evt_dev_addr_conflict {
692 struct uwb_rceb rceb;
693 } __attribute__((packed));
695 /* DRP notification. [WHCI] section 3.1.4.9. */
696 struct uwb_rc_evt_drp {
697 struct uwb_rceb rceb;
698 struct uwb_dev_addr src_addr;
700 u8 beacon_slot_number;
703 } __attribute__((packed));
705 static inline enum uwb_drp_notif_reason uwb_rc_evt_drp_reason(struct uwb_rc_evt_drp *evt)
707 return evt->reason & 0x0f;
711 /* DRP Availability Change notification. [WHCI] section 3.1.4.8. */
712 struct uwb_rc_evt_drp_avail {
713 struct uwb_rceb rceb;
714 DECLARE_BITMAP(bmp, UWB_NUM_MAS);
715 } __attribute__((packed));
717 /* BP switch status notification. [WHCI] section 3.1.4.10. */
718 struct uwb_rc_evt_bp_switch_status {
719 struct uwb_rceb rceb;
724 } __attribute__((packed));
726 /* Command Frame Received notification. [WHCI] section 3.1.4.11. */
727 struct uwb_rc_evt_cmd_frame_rcv {
728 struct uwb_rceb rceb;
730 struct uwb_dev_addr wSrcAddr;
731 struct uwb_dev_addr wDstAddr;
736 } __attribute__((packed));
738 /* Channel Change IE Received notification. [WHCI] section 3.1.4.12. */
739 struct uwb_rc_evt_channel_change_ie_rcv {
740 struct uwb_rceb rceb;
741 struct uwb_dev_addr wSrcAddr;
744 } __attribute__((packed));
746 /* DAA Energy Detected notification. [WHCI 0.96] section 3.1.4.14. */
747 struct uwb_rc_evt_daa_energy_detected {
748 struct uwb_rceb rceb;
753 } __attribute__((packed));
757 * Radio Control Interface Class Descriptor
761 struct uwb_rc_control_intf_class_desc {
764 __le16 bcdRCIVersion;
765 } __attribute__((packed));
767 #endif /* #ifndef __LINUX__UWB_SPEC_H__ */