diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/include/wlfc_proto.h')
| -rw-r--r-- | drivers/net/wireless/bcmdhd/include/wlfc_proto.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/include/wlfc_proto.h b/drivers/net/wireless/bcmdhd/include/wlfc_proto.h new file mode 100644 index 000000000000..d37105165bab --- /dev/null +++ b/drivers/net/wireless/bcmdhd/include/wlfc_proto.h @@ -0,0 +1,198 @@ +/* +* Copyright (C) 1999-2011, Broadcom Corporation +* +* Unless you and Broadcom execute a separate written software license +* agreement governing use of this software, this software is licensed to you +* under the terms of the GNU General Public License version 2 (the "GPL"), +* available at http://www.broadcom.com/licenses/GPLv2.php, with the +* following added to such license: +* +* As a special exception, the copyright holders of this software give you +* permission to link this software with independent modules, and to copy and +* distribute the resulting executable under terms of your choice, provided that +* you also meet, for each linked independent module, the terms and conditions of +* the license of that module. An independent module is a module which is not +* derived from this software. The special exception does not apply to any +* modifications of the software. +* +* Notwithstanding the above, under no circumstances may you combine this +* software in any way with any other Broadcom software provided under a license +* other than the GPL, without Broadcom's express prior written consent. +* $Id: wlfc_proto.h 277737 2011-08-16 17:54:59Z $ +* +*/ +#ifndef __wlfc_proto_definitions_h__ +#define __wlfc_proto_definitions_h__ + + /* Use TLV to convey WLFC information. + --------------------------------------------------------------------------- + | Type | Len | value | Description + --------------------------------------------------------------------------- + | 1 | 1 | (handle) | MAC OPEN + --------------------------------------------------------------------------- + | 2 | 1 | (handle) | MAC CLOSE + --------------------------------------------------------------------------- + | 3 | 2 | (count, handle, prec_bmp)| Set the credit depth for a MAC dstn + --------------------------------------------------------------------------- + | 4 | 4 | see pkttag comments | TXSTATUS + --------------------------------------------------------------------------- + | 5 | 4 | see pkttag comments | PKKTTAG [host->firmware] + --------------------------------------------------------------------------- + | 6 | 8 | (handle, ifid, MAC) | MAC ADD + --------------------------------------------------------------------------- + | 7 | 8 | (handle, ifid, MAC) | MAC DEL + --------------------------------------------------------------------------- + | 8 | 1 | (rssi) | RSSI - RSSI value for the packet. + --------------------------------------------------------------------------- + | 9 | 1 | (interface ID) | Interface OPEN + --------------------------------------------------------------------------- + | 10 | 1 | (interface ID) | Interface CLOSE + --------------------------------------------------------------------------- + | 11 | 8 | fifo credit returns map | FIFO credits back to the host + | | | | + | | | | -------------------------------------- + | | | | | ac0 | ac1 | ac2 | ac3 | bcmc | atim | + | | | | -------------------------------------- + | | | | + --------------------------------------------------------------------------- + | 12 | 2 | MAC handle, | Host provides a bitmap of pending + | | | AC[0-3] traffic bitmap | unicast traffic for MAC-handle dstn. + | | | | [host->firmware] + --------------------------------------------------------------------------- + | 13 | 3 | (count, handle, prec_bmp)| One time request for packet to a specific + | | | | MAC destination. + --------------------------------------------------------------------------- + | 255 | N/A | N/A | FILLER - This is a special type + | | | | that has no length or value. + | | | | Typically used for padding. + --------------------------------------------------------------------------- + */ + +#define WLFC_CTL_TYPE_MAC_OPEN 1 +#define WLFC_CTL_TYPE_MAC_CLOSE 2 +#define WLFC_CTL_TYPE_MAC_REQUEST_CREDIT 3 +#define WLFC_CTL_TYPE_TXSTATUS 4 +#define WLFC_CTL_TYPE_PKTTAG 5 + +#define WLFC_CTL_TYPE_MACDESC_ADD 6 +#define WLFC_CTL_TYPE_MACDESC_DEL 7 +#define WLFC_CTL_TYPE_RSSI 8 + +#define WLFC_CTL_TYPE_INTERFACE_OPEN 9 +#define WLFC_CTL_TYPE_INTERFACE_CLOSE 10 + +#define WLFC_CTL_TYPE_FIFO_CREDITBACK 11 + +#define WLFC_CTL_TYPE_PENDING_TRAFFIC_BMP 12 +#define WLFC_CTL_TYPE_MAC_REQUEST_PACKET 13 + +#define WLFC_CTL_TYPE_FILLER 255 + +#define WLFC_CTL_VALUE_LEN_MACDESC 8 /* handle, interface, MAC */ + +#define WLFC_CTL_VALUE_LEN_MAC 1 /* MAC-handle */ +#define WLFC_CTL_VALUE_LEN_RSSI 1 + +#define WLFC_CTL_VALUE_LEN_INTERFACE 1 +#define WLFC_CTL_VALUE_LEN_PENDING_TRAFFIC_BMP 2 + +#define WLFC_CTL_VALUE_LEN_TXSTATUS 4 +#define WLFC_CTL_VALUE_LEN_PKTTAG 4 + +/* enough space to host all 4 ACs, bc/mc and atim fifo credit */ +#define WLFC_CTL_VALUE_LEN_FIFO_CREDITBACK 6 + +#define WLFC_CTL_VALUE_LEN_REQUEST_CREDIT 3 /* credit, MAC-handle, prec_bitmap */ +#define WLFC_CTL_VALUE_LEN_REQUEST_PACKET 3 /* credit, MAC-handle, prec_bitmap */ + + + +#define WLFC_PKTID_GEN_MASK 0x80000000 +#define WLFC_PKTID_GEN_SHIFT 31 + +#define WLFC_PKTID_GEN(x) (((x) & WLFC_PKTID_GEN_MASK) >> WLFC_PKTID_GEN_SHIFT) +#define WLFC_PKTID_SETGEN(x, gen) (x) = ((x) & ~WLFC_PKTID_GEN_MASK) | \ + (((gen) << WLFC_PKTID_GEN_SHIFT) & WLFC_PKTID_GEN_MASK) + +#define WLFC_PKTFLAG_PKTFROMHOST 0x01 +#define WLFC_PKTFLAG_PKT_REQUESTED 0x02 + +#define WL_TXSTATUS_FLAGS_MASK 0xf /* allow 4 bits only */ +#define WL_TXSTATUS_FLAGS_SHIFT 27 + +#define WL_TXSTATUS_SET_FLAGS(x, flags) ((x) = \ + ((x) & ~(WL_TXSTATUS_FLAGS_MASK << WL_TXSTATUS_FLAGS_SHIFT)) | \ + (((flags) & WL_TXSTATUS_FLAGS_MASK) << WL_TXSTATUS_FLAGS_SHIFT)) +#define WL_TXSTATUS_GET_FLAGS(x) (((x) >> WL_TXSTATUS_FLAGS_SHIFT) & \ + WL_TXSTATUS_FLAGS_MASK) + +#define WL_TXSTATUS_FIFO_MASK 0x7 /* allow 3 bits for FIFO ID */ +#define WL_TXSTATUS_FIFO_SHIFT 24 + +#define WL_TXSTATUS_SET_FIFO(x, flags) ((x) = \ + ((x) & ~(WL_TXSTATUS_FIFO_MASK << WL_TXSTATUS_FIFO_SHIFT)) | \ + (((flags) & WL_TXSTATUS_FIFO_MASK) << WL_TXSTATUS_FIFO_SHIFT)) +#define WL_TXSTATUS_GET_FIFO(x) (((x) >> WL_TXSTATUS_FIFO_SHIFT) & WL_TXSTATUS_FIFO_MASK) + +#define WL_TXSTATUS_PKTID_MASK 0xffffff /* allow 24 bits */ +#define WL_TXSTATUS_SET_PKTID(x, num) ((x) = \ + ((x) & ~WL_TXSTATUS_PKTID_MASK) | (num)) +#define WL_TXSTATUS_GET_PKTID(x) ((x) & WL_TXSTATUS_PKTID_MASK) + +/* 32 STA should be enough??, 6 bits; Must be power of 2 */ +#define WLFC_MAC_DESC_TABLE_SIZE 32 +#define WLFC_MAX_IFNUM 16 +#define WLFC_MAC_DESC_ID_INVALID 0xff + +/* b[7:5] -reuse guard, b[4:0] -value */ +#define WLFC_MAC_DESC_GET_LOOKUP_INDEX(x) ((x) & 0x1f) + +#define WLFC_PKTFLAG_SET_PKTREQUESTED(x) (x) |= \ + (WLFC_PKTFLAG_PKT_REQUESTED << WL_TXSTATUS_FLAGS_SHIFT) + +#define WLFC_PKTFLAG_CLR_PKTREQUESTED(x) (x) &= \ + ~(WLFC_PKTFLAG_PKT_REQUESTED << WL_TXSTATUS_FLAGS_SHIFT) + +#define WL_TXSTATUS_GENERATION_MASK 1 +#define WL_TXSTATUS_GENERATION_SHIFT 31 + +#define WLFC_PKTFLAG_SET_GENERATION(x, gen) ((x) = \ + ((x) & ~(WL_TXSTATUS_GENERATION_MASK << WL_TXSTATUS_GENERATION_SHIFT)) | \ + (((gen) & WL_TXSTATUS_GENERATION_MASK) << WL_TXSTATUS_GENERATION_SHIFT)) + +#define WLFC_PKTFLAG_GENERATION(x) (((x) >> WL_TXSTATUS_GENERATION_SHIFT) & \ + WL_TXSTATUS_GENERATION_MASK) + +#define WLFC_MAX_PENDING_DATALEN 120 + +/* host is free to discard the packet */ +#define WLFC_CTL_PKTFLAG_DISCARD 0 +/* D11 suppressed a packet */ +#define WLFC_CTL_PKTFLAG_D11SUPPRESS 1 +/* WL firmware suppressed a packet because MAC is + already in PSMode (short time window) +*/ +#define WLFC_CTL_PKTFLAG_WLSUPPRESS 2 +/* Firmware tossed this packet */ +#define WLFC_CTL_PKTFLAG_TOSSED_BYWLC 3 + +#define WLFC_D11_STATUS_INTERPRET(txs) ((((txs)->status & TX_STATUS_SUPR_MASK) >> \ + TX_STATUS_SUPR_SHIFT)) ? WLFC_CTL_PKTFLAG_D11SUPPRESS : WLFC_CTL_PKTFLAG_DISCARD + +#ifdef PROP_TXSTATUS_DEBUG +#define WLFC_DBGMESG(x) printf x +/* wlfc-breadcrumb */ +#define WLFC_BREADCRUMB(x) do {if ((x) == NULL) \ + {printf("WLFC: %s():%d:caller:%p\n", \ + __FUNCTION__, __LINE__, __builtin_return_address(0));}} while (0) +#define WLFC_PRINTMAC(banner, ea) do {printf("%s MAC: [%02x:%02x:%02x:%02x:%02x:%02x]\n", \ + banner, ea[0], ea[1], ea[2], ea[3], ea[4], ea[5]); } while (0) +#define WLFC_WHEREIS(s) printf("WLFC: at %s():%d, %s\n", __FUNCTION__, __LINE__, (s)) +#else +#define WLFC_DBGMESG(x) +#define WLFC_BREADCRUMB(x) +#define WLFC_PRINTMAC(banner, ea) +#define WLFC_WHEREIS(s) +#endif + +#endif /* __wlfc_proto_definitions_h__ */ |