302 lines
13 KiB
C
302 lines
13 KiB
C
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/*
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* Copyright (C) 1999-2015, Broadcom Corporation
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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* $Id: wlfc_proto.h 499510 2014-08-28 23:40:47Z $
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*
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*/
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#ifndef __wlfc_proto_definitions_h__
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#define __wlfc_proto_definitions_h__
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/* Use TLV to convey WLFC information.
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---------------------------------------------------------------------------
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| Type | Len | value | Description
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---------------------------------------------------------------------------
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| 1 | 1 | (handle) | MAC OPEN
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---------------------------------------------------------------------------
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| 2 | 1 | (handle) | MAC CLOSE
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---------------------------------------------------------------------------
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| 3 | 2 | (count, handle, prec_bmp)| Set the credit depth for a MAC dstn
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---------------------------------------------------------------------------
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| 4 | 4+ | see pkttag comments | TXSTATUS
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| | | TX status & timestamps | Present only when pkt timestamp is enabled
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---------------------------------------------------------------------------
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| 5 | 4 | see pkttag comments | PKKTTAG [host->firmware]
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---------------------------------------------------------------------------
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| 6 | 8 | (handle, ifid, MAC) | MAC ADD
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---------------------------------------------------------------------------
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| 7 | 8 | (handle, ifid, MAC) | MAC DEL
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---------------------------------------------------------------------------
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| 8 | 1 | (rssi) | RSSI - RSSI value for the packet.
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---------------------------------------------------------------------------
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| 9 | 1 | (interface ID) | Interface OPEN
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---------------------------------------------------------------------------
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| 10 | 1 | (interface ID) | Interface CLOSE
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---------------------------------------------------------------------------
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| 11 | 8 | fifo credit returns map | FIFO credits back to the host
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| | | |
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| | | | --------------------------------------
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| | | | | ac0 | ac1 | ac2 | ac3 | bcmc | atim |
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| | | | --------------------------------------
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| | | |
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---------------------------------------------------------------------------
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| 12 | 2 | MAC handle, | Host provides a bitmap of pending
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| | | AC[0-3] traffic bitmap | unicast traffic for MAC-handle dstn.
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| | | | [host->firmware]
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---------------------------------------------------------------------------
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| 13 | 3 | (count, handle, prec_bmp)| One time request for packet to a specific
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| | | | MAC destination.
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---------------------------------------------------------------------------
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| 15 | 12 | (pkttag, timestamps) | Send TX timestamp at reception from host
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---------------------------------------------------------------------------
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| 16 | 12 | (pkttag, timestamps) | Send WLAN RX timestamp along with RX frame
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---------------------------------------------------------------------------
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| 255 | N/A | N/A | FILLER - This is a special type
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| | | | that has no length or value.
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| | | | Typically used for padding.
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---------------------------------------------------------------------------
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*/
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#define WLFC_CTL_TYPE_MAC_OPEN 1
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#define WLFC_CTL_TYPE_MAC_CLOSE 2
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#define WLFC_CTL_TYPE_MAC_REQUEST_CREDIT 3
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#define WLFC_CTL_TYPE_TXSTATUS 4
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#define WLFC_CTL_TYPE_PKTTAG 5
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#define WLFC_CTL_TYPE_MACDESC_ADD 6
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#define WLFC_CTL_TYPE_MACDESC_DEL 7
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#define WLFC_CTL_TYPE_RSSI 8
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#define WLFC_CTL_TYPE_INTERFACE_OPEN 9
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#define WLFC_CTL_TYPE_INTERFACE_CLOSE 10
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#define WLFC_CTL_TYPE_FIFO_CREDITBACK 11
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#define WLFC_CTL_TYPE_PENDING_TRAFFIC_BMP 12
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#define WLFC_CTL_TYPE_MAC_REQUEST_PACKET 13
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#define WLFC_CTL_TYPE_HOST_REORDER_RXPKTS 14
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#define WLFC_CTL_TYPE_TX_ENTRY_STAMP 15
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#define WLFC_CTL_TYPE_RX_STAMP 16
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#define WLFC_CTL_TYPE_TRANS_ID 18
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#define WLFC_CTL_TYPE_COMP_TXSTATUS 19
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#define WLFC_CTL_TYPE_TID_OPEN 20
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#define WLFC_CTL_TYPE_TID_CLOSE 21
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#define WLFC_CTL_TYPE_FILLER 255
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#define WLFC_CTL_VALUE_LEN_MACDESC 8 /* handle, interface, MAC */
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#define WLFC_CTL_VALUE_LEN_MAC 1 /* MAC-handle */
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#define WLFC_CTL_VALUE_LEN_RSSI 1
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#define WLFC_CTL_VALUE_LEN_INTERFACE 1
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#define WLFC_CTL_VALUE_LEN_PENDING_TRAFFIC_BMP 2
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#define WLFC_CTL_VALUE_LEN_TXSTATUS 4
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#define WLFC_CTL_VALUE_LEN_PKTTAG 4
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#define WLFC_CTL_VALUE_LEN_SEQ 2
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/* enough space to host all 4 ACs, bc/mc and atim fifo credit */
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#define WLFC_CTL_VALUE_LEN_FIFO_CREDITBACK 6
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#define WLFC_CTL_VALUE_LEN_REQUEST_CREDIT 3 /* credit, MAC-handle, prec_bitmap */
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#define WLFC_CTL_VALUE_LEN_REQUEST_PACKET 3 /* credit, MAC-handle, prec_bitmap */
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#define WLFC_PKTFLAG_PKTFROMHOST 0x01 /* packet originated from hot side */
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#define WLFC_PKTFLAG_PKT_REQUESTED 0x02 /* packet requsted by firmware side */
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#define WLFC_PKTFLAG_PKT_FORCELOWRATE 0x04 /* force low rate for this packet */
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#define WL_TXSTATUS_STATUS_MASK 0xff /* allow 8 bits */
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#define WL_TXSTATUS_STATUS_SHIFT 24
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#define WL_TXSTATUS_SET_STATUS(x, status) ((x) = \
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((x) & ~(WL_TXSTATUS_STATUS_MASK << WL_TXSTATUS_STATUS_SHIFT)) | \
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(((status) & WL_TXSTATUS_STATUS_MASK) << WL_TXSTATUS_STATUS_SHIFT))
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#define WL_TXSTATUS_GET_STATUS(x) (((x) >> WL_TXSTATUS_STATUS_SHIFT) & \
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WL_TXSTATUS_STATUS_MASK)
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#define WL_TXSTATUS_GENERATION_MASK 1 /* allow 1 bit */
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#define WL_TXSTATUS_GENERATION_SHIFT 31
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#define WL_TXSTATUS_SET_GENERATION(x, gen) ((x) = \
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((x) & ~(WL_TXSTATUS_GENERATION_MASK << WL_TXSTATUS_GENERATION_SHIFT)) | \
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(((gen) & WL_TXSTATUS_GENERATION_MASK) << WL_TXSTATUS_GENERATION_SHIFT))
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#define WL_TXSTATUS_GET_GENERATION(x) (((x) >> WL_TXSTATUS_GENERATION_SHIFT) & \
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WL_TXSTATUS_GENERATION_MASK)
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#define WL_TXSTATUS_FLAGS_MASK 0xf /* allow 4 bits only */
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#define WL_TXSTATUS_FLAGS_SHIFT 27
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#define WL_TXSTATUS_SET_FLAGS(x, flags) ((x) = \
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((x) & ~(WL_TXSTATUS_FLAGS_MASK << WL_TXSTATUS_FLAGS_SHIFT)) | \
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(((flags) & WL_TXSTATUS_FLAGS_MASK) << WL_TXSTATUS_FLAGS_SHIFT))
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#define WL_TXSTATUS_GET_FLAGS(x) (((x) >> WL_TXSTATUS_FLAGS_SHIFT) & \
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WL_TXSTATUS_FLAGS_MASK)
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#define WL_TXSTATUS_FIFO_MASK 0x7 /* allow 3 bits for FIFO ID */
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#define WL_TXSTATUS_FIFO_SHIFT 24
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#define WL_TXSTATUS_SET_FIFO(x, flags) ((x) = \
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((x) & ~(WL_TXSTATUS_FIFO_MASK << WL_TXSTATUS_FIFO_SHIFT)) | \
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(((flags) & WL_TXSTATUS_FIFO_MASK) << WL_TXSTATUS_FIFO_SHIFT))
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#define WL_TXSTATUS_GET_FIFO(x) (((x) >> WL_TXSTATUS_FIFO_SHIFT) & WL_TXSTATUS_FIFO_MASK)
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#define WL_TXSTATUS_PKTID_MASK 0xffffff /* allow 24 bits */
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#define WL_TXSTATUS_SET_PKTID(x, num) ((x) = \
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((x) & ~WL_TXSTATUS_PKTID_MASK) | (num))
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#define WL_TXSTATUS_GET_PKTID(x) ((x) & WL_TXSTATUS_PKTID_MASK)
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#define WL_TXSTATUS_HSLOT_MASK 0xffff /* allow 16 bits */
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#define WL_TXSTATUS_HSLOT_SHIFT 8
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#define WL_TXSTATUS_SET_HSLOT(x, hslot) ((x) = \
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((x) & ~(WL_TXSTATUS_HSLOT_MASK << WL_TXSTATUS_HSLOT_SHIFT)) | \
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(((hslot) & WL_TXSTATUS_HSLOT_MASK) << WL_TXSTATUS_HSLOT_SHIFT))
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#define WL_TXSTATUS_GET_HSLOT(x) (((x) >> WL_TXSTATUS_HSLOT_SHIFT)& \
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WL_TXSTATUS_HSLOT_MASK)
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#define WL_TXSTATUS_FREERUNCTR_MASK 0xff /* allow 8 bits */
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#define WL_TXSTATUS_SET_FREERUNCTR(x, ctr) ((x) = \
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((x) & ~(WL_TXSTATUS_FREERUNCTR_MASK)) | \
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((ctr) & WL_TXSTATUS_FREERUNCTR_MASK))
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#define WL_TXSTATUS_GET_FREERUNCTR(x) ((x)& WL_TXSTATUS_FREERUNCTR_MASK)
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#define WL_SEQ_FROMFW_MASK 0x1 /* allow 1 bit */
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#define WL_SEQ_FROMFW_SHIFT 13
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#define WL_SEQ_SET_FROMFW(x, val) ((x) = \
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((x) & ~(WL_SEQ_FROMFW_MASK << WL_SEQ_FROMFW_SHIFT)) | \
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(((val) & WL_SEQ_FROMFW_MASK) << WL_SEQ_FROMFW_SHIFT))
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#define WL_SEQ_GET_FROMFW(x) (((x) >> WL_SEQ_FROMFW_SHIFT) & \
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WL_SEQ_FROMFW_MASK)
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#define WL_SEQ_FROMDRV_MASK 0x1 /* allow 1 bit */
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#define WL_SEQ_FROMDRV_SHIFT 12
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#define WL_SEQ_SET_FROMDRV(x, val) ((x) = \
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((x) & ~(WL_SEQ_FROMDRV_MASK << WL_SEQ_FROMDRV_SHIFT)) | \
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(((val) & WL_SEQ_FROMDRV_MASK) << WL_SEQ_FROMDRV_SHIFT))
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#define WL_SEQ_GET_FROMDRV(x) (((x) >> WL_SEQ_FROMDRV_SHIFT) & \
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WL_SEQ_FROMDRV_MASK)
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#define WL_SEQ_NUM_MASK 0xfff /* allow 12 bit */
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#define WL_SEQ_NUM_SHIFT 0
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#define WL_SEQ_SET_NUM(x, val) ((x) = \
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((x) & ~(WL_SEQ_NUM_MASK << WL_SEQ_NUM_SHIFT)) | \
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(((val) & WL_SEQ_NUM_MASK) << WL_SEQ_NUM_SHIFT))
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#define WL_SEQ_GET_NUM(x) (((x) >> WL_SEQ_NUM_SHIFT) & \
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WL_SEQ_NUM_MASK)
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/* 32 STA should be enough??, 6 bits; Must be power of 2 */
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#define WLFC_MAC_DESC_TABLE_SIZE 32
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#define WLFC_MAX_IFNUM 16
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#define WLFC_MAC_DESC_ID_INVALID 0xff
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/* b[7:5] -reuse guard, b[4:0] -value */
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#define WLFC_MAC_DESC_GET_LOOKUP_INDEX(x) ((x) & 0x1f)
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#define WLFC_MAX_PENDING_DATALEN 120
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/* host is free to discard the packet */
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#define WLFC_CTL_PKTFLAG_DISCARD 0
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/* D11 suppressed a packet */
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#define WLFC_CTL_PKTFLAG_D11SUPPRESS 1
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/* WL firmware suppressed a packet because MAC is
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already in PSMode (short time window)
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*/
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#define WLFC_CTL_PKTFLAG_WLSUPPRESS 2
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/* Firmware tossed this packet */
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#define WLFC_CTL_PKTFLAG_TOSSED_BYWLC 3
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/* Firmware tossed after retries */
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#define WLFC_CTL_PKTFLAG_DISCARD_NOACK 4
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#define WLFC_D11_STATUS_INTERPRET(txs) \
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(((txs)->status.suppr_ind != TX_STATUS_SUPR_NONE) ? \
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WLFC_CTL_PKTFLAG_D11SUPPRESS : \
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((txs)->status.was_acked ? \
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WLFC_CTL_PKTFLAG_DISCARD : WLFC_CTL_PKTFLAG_DISCARD_NOACK))
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#ifdef PROP_TXSTATUS_DEBUG
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#define WLFC_DBGMESG(x) printf x
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/* wlfc-breadcrumb */
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#define WLFC_BREADCRUMB(x) do {if ((x) == NULL) \
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{printf("WLFC: %s():%d:caller:%p\n", \
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__FUNCTION__, __LINE__, __builtin_return_address(0));}} while (0)
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#define WLFC_PRINTMAC(banner, ea) do {printf("%s MAC: [%02x:%02x:%02x:%02x:%02x:%02x]\n", \
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banner, ea[0], ea[1], ea[2], ea[3], ea[4], ea[5]); } while (0)
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#define WLFC_WHEREIS(s) printf("WLFC: at %s():%d, %s\n", __FUNCTION__, __LINE__, (s))
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#else
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#define WLFC_DBGMESG(x)
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#define WLFC_BREADCRUMB(x)
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#define WLFC_PRINTMAC(banner, ea)
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#define WLFC_WHEREIS(s)
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#endif
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/* AMPDU host reorder packet flags */
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#define WLHOST_REORDERDATA_MAXFLOWS 256
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#define WLHOST_REORDERDATA_LEN 10
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#define WLHOST_REORDERDATA_TOTLEN (WLHOST_REORDERDATA_LEN + 1 + 1) /* +tag +len */
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#define WLHOST_REORDERDATA_FLOWID_OFFSET 0
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#define WLHOST_REORDERDATA_MAXIDX_OFFSET 2
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#define WLHOST_REORDERDATA_FLAGS_OFFSET 4
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#define WLHOST_REORDERDATA_CURIDX_OFFSET 6
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#define WLHOST_REORDERDATA_EXPIDX_OFFSET 8
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#define WLHOST_REORDERDATA_DEL_FLOW 0x01
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#define WLHOST_REORDERDATA_FLUSH_ALL 0x02
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#define WLHOST_REORDERDATA_CURIDX_VALID 0x04
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#define WLHOST_REORDERDATA_EXPIDX_VALID 0x08
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#define WLHOST_REORDERDATA_NEW_HOLE 0x10
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/* transaction id data len byte 0: rsvd, byte 1: seqnumber, byte 2-5 will be used for timestampe */
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#define WLFC_CTL_TRANS_ID_LEN 6
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#define WLFC_TYPE_TRANS_ID_LEN 6
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#define WLFC_MODE_HANGER 1 /* use hanger */
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#define WLFC_MODE_AFQ 2 /* use afq */
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#define WLFC_IS_OLD_DEF(x) ((x & 1) || (x & 2))
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#define WLFC_MODE_AFQ_SHIFT 2 /* afq bit */
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#define WLFC_SET_AFQ(x, val) ((x) = \
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((x) & ~(1 << WLFC_MODE_AFQ_SHIFT)) | \
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(((val) & 1) << WLFC_MODE_AFQ_SHIFT))
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#define WLFC_GET_AFQ(x) (((x) >> WLFC_MODE_AFQ_SHIFT) & 1)
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#define WLFC_MODE_REUSESEQ_SHIFT 3 /* seq reuse bit */
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#define WLFC_SET_REUSESEQ(x, val) ((x) = \
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((x) & ~(1 << WLFC_MODE_REUSESEQ_SHIFT)) | \
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(((val) & 1) << WLFC_MODE_REUSESEQ_SHIFT))
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#define WLFC_GET_REUSESEQ(x) (((x) >> WLFC_MODE_REUSESEQ_SHIFT) & 1)
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#define WLFC_MODE_REORDERSUPP_SHIFT 4 /* host reorder suppress pkt bit */
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#define WLFC_SET_REORDERSUPP(x, val) ((x) = \
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((x) & ~(1 << WLFC_MODE_REORDERSUPP_SHIFT)) | \
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(((val) & 1) << WLFC_MODE_REORDERSUPP_SHIFT))
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#define WLFC_GET_REORDERSUPP(x) (((x) >> WLFC_MODE_REORDERSUPP_SHIFT) & 1)
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#endif /* __wlfc_proto_definitions_h__ */
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