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/*
* Basic types and constants relating to 802.11ah standard.
* This is a portion of 802.11ah definition. The rest are in 802.11.h.
*
* Copyright (C) 2017, Broadcom. All Rights Reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* <<Broadcom-WL-IPTag/Open:>>
*
* $Id: 802.11ah.h 627195 2016-03-24 00:57:47Z $
*/
#ifndef _802_11ah_h_
#define _802_11ah_h_
#include <typedefs.h>
/* This marks the start of a packed structure section. */
#include <packed_section_start.h>
/**
* TWT IE (sec 8.4.2.196)
*/
/* TWT element - top */
BWL_PRE_PACKED_STRUCT struct twt_ie_top {
uint8 id;
uint8 len;
uint8 ctrl; /* Control */
uint16 req_type; /* Request Type */
} BWL_POST_PACKED_STRUCT;
typedef struct twt_ie_top twt_ie_top_t;
/* Control field (figure 8-557ax) */
#define TWT_CTRL_NDP_PAGING_IND 0x01 /* NDP Paging Indication */
#define TWT_CTRL_RESP_PM_MODE 0x02 /* Respondor PM Mode */
#define TWT_CTRL_BCAST 0x04 /* Broadcast */
/* Requestor Type field (figure 8-557ay) */
#define TWT_REQ_TYPE_REQUEST 0x0001 /* Request */
#define TWT_REQ_TYPE_SETUP_CMD_MASK 0x000e /* Setup Command */
#define TWT_REQ_TYPE_SETUP_CMD_SHIFT 1
#define TWT_REQ_TYPE_TRIGGER 0x0010 /* Trigger */
#define TWT_REQ_TYPE_IMPLICIT 0x0020 /* Implicit */
#define TWT_REQ_TYPE_FLOW_TYPE 0x0040 /* Flow Type */
#define TWT_REQ_TYPE_FLOW_ID_MASK 0x0380 /* Flow Identifier */
#define TWT_REQ_TYPE_FLOW_ID_SHIFT 7
#define TWT_REQ_TYPE_WAKE_EXP_MASK 0x7c00 /* Wake Interval Exponent */
#define TWT_REQ_TYPE_WAKE_EXP_SHIFT 10
#define TWT_REQ_TYPE_PROTECTION 0x8000 /* Protection */
/* Setup Command field (table 8-248I) */
#define TWT_SETUP_CMD_REQUEST_TWT 0 /* Request TWT */
#define TWT_SETUP_CMD_SUGGEST_TWT 1 /* Suggest TWT */
#define TWT_SETUP_CMD_DEMAND_TWT 2 /* Demand TWT */
#define TWT_SETUP_CMD_GRPING_TWT 3 /* Grouping TWT */
#define TWT_SETUP_CMD_ACCEPT_TWT 4 /* Accept TWT */
#define TWT_SETUP_CMD_ALTER_TWT 5 /* Alternate TWT */
#define TWT_SETUP_CMD_DICTATE_TWT 6 /* Dictate TWT */
#define TWT_SETUP_CMD_REJECT_TWT 7 /* Reject TWT */
/* Flow Identifier field (table 8-248I1) */
#define TWT_BCAST_FLOW_ID_NO_CONSTRAINS 0 /* No constrains on the frame transmitted during
* a broadcast TWT SP.
*/
#define TWT_BCAST_FLOW_ID_NO_RAND_RU 1 /* Do not contain RUs for random access */
#define TWT_BCAST_FLOW_ID_RAND_RU 2 /* Contain RUs for random access */
/* Target Wake Time - 8 octets or 0 octet */
typedef uint64 twt_target_wake_time_t; /* 64 bit TSF time of TWT Responding STA */
/* TWT Group Assignment Info - 9 octets (long format) or 3 octets (short format) or 0 octet */
/* Group Assignment Info field - short format - Zero Offset Preset field is 0 */
BWL_PRE_PACKED_STRUCT struct twt_grp_short {
uint8 grpid_n_0off; /* Group ID and Zero Offset Present */
uint16 unit_n_off; /* TWT Unit and TWT Offset */
} BWL_POST_PACKED_STRUCT;
typedef struct twt_grp_short twt_grp_short_t;
/* Group Assignment Info field - long format - Zero Offset Preset field is 1 */
#define TWT_ZERO_OFF_GRP_LEN 6
BWL_PRE_PACKED_STRUCT struct twt_grp_long {
uint8 grpid_n_0off; /* Group ID and Zero Offset Present */
uint8 grp_0off[TWT_ZERO_OFF_GRP_LEN]; /* Zero Offset of Group */
uint16 unit_n_off; /* Unit and Offset */
} BWL_POST_PACKED_STRUCT;
typedef struct twt_grp_long twt_grp_long_t;
/* TWT Unit and TWT Offset field */
#define TWT_UNIT_MASK 0x000f /* TWT Unit */
#define TWT_OFFSET_MASK 0xfff0 /* TWT Offset */
#define TWT_OFFSET_SHIFT 4
/* TWT Unit field (table 8-248m) */
#define TWT_UNIT_32us 0
#define TWT_UNIT_256us 1
#define TWT_UNIT_1024us 2
#define TWT_UNIT_8ms192us 3
#define TWT_UNIT_32ms768us 4
#define TWT_UNIT_262ms144us 5
#define TWT_UNIT_1s048576us 6
#define TWT_UNIT_8s388608us 7
#define TWT_UNIT_33s554432us 8
#define TWT_UNIT_268s435456us 9
#define TWT_UNIT_1073s741824us 10
#define TWT_UNIT_8589s934592us 11
/* TWT element - bottom */
BWL_PRE_PACKED_STRUCT struct twt_ie_bottom {
uint8 nom_wake_dur; /* Nominal Minimum Wake Duration */
uint16 wake_int_mant; /* TWT Wake Interval Mantissa */
uint8 channel; /* TWT Channel */
/* NDP Paging field */
} BWL_POST_PACKED_STRUCT;
typedef struct twt_ie_bottom twt_ie_bottom_t;
/* Nominal Minimum Wake Duration */
#define TWT_NOM_WAKE_DUR_UNIT 256 /* Nominal Minimum Wake Duration is in 256us units */
/* NDP Paging field - 4 octets or 0 octet */
typedef uint32 twt_ndp_paging_t;
#define TWT_NDP_PAGING_PID 0x000001ff /* P-ID */
#define TWT_NDP_PAGING_MAX_PERIOD 0x0001fe00 /* Max NDP Paging Period */
#define TWT_NDP_PAGING_PART_TSF_OFF 0x001e0000 /* Partial TSF Offset */
#define TWT_NDP_PAGING_ACTION 0x00e00000 /* Action */
#define TWT_NDP_PAGING_MIN_SLEEP 0x3f000000 /* Min Sleep Duration */
/* Action field (table 8-248n) */
#define TWT_ACTION_SEND_PSP_TRIG 0 /* Send a PS-Poll or uplink trigger frame */
#define TWT_ACTION_WAKE_MIN_SLEEP 1 /* Wake up at the time indicated by
* Min Sleep Duration
*/
#define TWT_ACTION_WAKE_RCV_BCN 2 /* Wake up to receive the Beacon */
#define TWT_ACTION_WAKE_RCV_DTIM 3 /* Wake up to receive the DTIM Beacon */
#define TWT_ACTION_WAKE_IND_TIME 4 /* Wakeup at the time indicated by the sum of
* the Min Sleep Duration field and the ASD subfield
* in the APDI field of the NDP Paging frame
*/
/* TWT Teardown Flow field */
#define TWT_TEARDOWN_FLOW_ID_MASK 0x07
/* TWT Information field byte 0 */
#define TWT_INFO_FLOW_ID_MASK 0x07
#define TWT_INFO_RESP_REQ 0x08
#define TWT_INFO_NEXT_TWT_REQ 0x10
#define TWT_INFO_NEXT_TWT_SIZE_MASK 0x60
#define TWT_INFO_NEXT_TWT_SIZE_SHIFT 0x5
/* Next TWT Subfield Size field */
#define TWT_INFO_NEXT_TWT_SIZE_0 0 /* 0 byte */
#define TWT_INFO_NEXT_TWT_SIZE_32 1 /* 4 bytes */
#define TWT_INFO_NEXT_TWT_SIZE_48 2 /* 6 bytes */
#define TWT_INFO_NEXT_TWT_SIZE_64 3 /* 8 bytes */
/* This marks the end of a packed structure section. */
#include <packed_section_end.h>
#endif /* _802_11ah_h_ */