105491d2cSKalle Valo /* 205491d2cSKalle Valo * Copyright (c) 2010 Broadcom Corporation 305491d2cSKalle Valo * 405491d2cSKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 505491d2cSKalle Valo * purpose with or without fee is hereby granted, provided that the above 605491d2cSKalle Valo * copyright notice and this permission notice appear in all copies. 705491d2cSKalle Valo * 805491d2cSKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 905491d2cSKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 1005491d2cSKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 1105491d2cSKalle Valo * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 1205491d2cSKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 1305491d2cSKalle Valo * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 1405491d2cSKalle Valo * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 1505491d2cSKalle Valo */ 1605491d2cSKalle Valo 1705491d2cSKalle Valo #ifndef _BRCM_SCB_H_ 1805491d2cSKalle Valo #define _BRCM_SCB_H_ 1905491d2cSKalle Valo 2005491d2cSKalle Valo #include <linux/if_ether.h> 2105491d2cSKalle Valo #include <brcmu_utils.h> 2205491d2cSKalle Valo #include <defs.h> 2305491d2cSKalle Valo #include "types.h" 2405491d2cSKalle Valo 2505491d2cSKalle Valo #define AMPDU_TX_BA_MAX_WSIZE 64 /* max Tx ba window size (in pdu) */ 2605491d2cSKalle Valo 2705491d2cSKalle Valo #define AMPDU_MAX_SCB_TID NUMPRIO 2805491d2cSKalle Valo 2905491d2cSKalle Valo /* scb flags */ 3005491d2cSKalle Valo #define SCB_WMECAP 0x0040 3105491d2cSKalle Valo #define SCB_HTCAP 0x10000 /* HT (MIMO) capable device */ 3205491d2cSKalle Valo #define SCB_IS40 0x80000 /* 40MHz capable */ 3305491d2cSKalle Valo #define SCB_STBCCAP 0x40000000 /* STBC Capable */ 3405491d2cSKalle Valo 3505491d2cSKalle Valo #define SCB_MAGIC 0xbeefcafe 3605491d2cSKalle Valo 3705491d2cSKalle Valo /* structure to store per-tid state for the ampdu initiator */ 3805491d2cSKalle Valo struct scb_ampdu_tid_ini { 3905491d2cSKalle Valo /* tx retry count; indexed by seq modulo */ 4005491d2cSKalle Valo u8 txretry[AMPDU_TX_BA_MAX_WSIZE]; 4105491d2cSKalle Valo }; 4205491d2cSKalle Valo 4305491d2cSKalle Valo struct scb_ampdu { 4405491d2cSKalle Valo u8 max_pdu; /* max pdus allowed in ampdu */ 4505491d2cSKalle Valo u8 release; /* # of mpdus released at a time */ 4605491d2cSKalle Valo u32 max_rx_ampdu_bytes; /* max ampdu rcv length; 8k, 16k, 32k, 64k */ 4705491d2cSKalle Valo 4805491d2cSKalle Valo /* 4905491d2cSKalle Valo * This could easily be a ini[] pointer and we keep this info in wl 5005491d2cSKalle Valo * itself instead of having mac80211 hold it for us. Also could be made 5105491d2cSKalle Valo * dynamic per tid instead of static. 5205491d2cSKalle Valo */ 5305491d2cSKalle Valo /* initiator info - per tid (NUMPRIO): */ 5405491d2cSKalle Valo struct scb_ampdu_tid_ini ini[AMPDU_MAX_SCB_TID]; 5505491d2cSKalle Valo }; 5605491d2cSKalle Valo 5705491d2cSKalle Valo /* station control block - one per remote MAC address */ 5805491d2cSKalle Valo struct scb { 5905491d2cSKalle Valo u32 magic; 6005491d2cSKalle Valo u32 flags; /* various bit flags as defined below */ 6105491d2cSKalle Valo u16 seqctl[NUMPRIO]; /* seqctl of last received frame (for dups) */ 6205491d2cSKalle Valo u16 seqnum[NUMPRIO];/* WME: driver maintained sw seqnum per priority */ 6305491d2cSKalle Valo 6405491d2cSKalle Valo struct scb_ampdu scb_ampdu; /* AMPDU state including per tid info */ 6505491d2cSKalle Valo }; 6605491d2cSKalle Valo 6705491d2cSKalle Valo #endif /* _BRCM_SCB_H_ */ 68