/* * Copyright (C) 1999-2013, 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 381382 2013-01-27 07:13:00Z $ * */ #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 | | | TX status & timestamps | Present only when pkt timestamp is enabled --------------------------------------------------------------------------- | 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. --------------------------------------------------------------------------- | 15 | 12 | (pkttag, timestamps) | Send TX timestamp at reception from host --------------------------------------------------------------------------- | 16 | 12 | (pkttag, timestamps) | Send WLAN RX timestamp along with RX frame --------------------------------------------------------------------------- | 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_HOST_REORDER_RXPKTS 14 #define WLFC_CTL_TYPE_TX_ENTRY_STAMP 15 #define WLFC_CTL_TYPE_RX_STAMP 16 #define WLFC_CTL_TYPE_TRANS_ID 18 #define WLFC_CTL_TYPE_COMP_TXSTATUS 19 #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.suppr_ind != 0) ? 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 /* AMPDU host reorder packet flags */ #define WLHOST_REORDERDATA_MAXFLOWS 256 #define WLHOST_REORDERDATA_LEN 10 #define WLHOST_REORDERDATA_TOTLEN (WLHOST_REORDERDATA_LEN + 1 + 1) /* +tag +len */ #define WLHOST_REORDERDATA_FLOWID_OFFSET 0 #define WLHOST_REORDERDATA_MAXIDX_OFFSET 2 #define WLHOST_REORDERDATA_FLAGS_OFFSET 4 #define WLHOST_REORDERDATA_CURIDX_OFFSET 6 #define WLHOST_REORDERDATA_EXPIDX_OFFSET 8 #define WLHOST_REORDERDATA_DEL_FLOW 0x01 #define WLHOST_REORDERDATA_FLUSH_ALL 0x02 #define WLHOST_REORDERDATA_CURIDX_VALID 0x04 #define WLHOST_REORDERDATA_EXPIDX_VALID 0x08 #define WLHOST_REORDERDATA_NEW_HOLE 0x10 /* transaction id data len byte 0: rsvd, byte 1: seqnumber, byte 2-5 will be used for timestampe */ #define WLFC_CTL_TRANS_ID_LEN 6 #endif /* __wlfc_proto_definitions_h__ */