1*05491d2cSKalle Valo /* 2*05491d2cSKalle Valo * Copyright (c) 2010 Broadcom Corporation 3*05491d2cSKalle Valo * 4*05491d2cSKalle Valo * Permission to use, copy, modify, and/or distribute this software for any 5*05491d2cSKalle Valo * purpose with or without fee is hereby granted, provided that the above 6*05491d2cSKalle Valo * copyright notice and this permission notice appear in all copies. 7*05491d2cSKalle Valo * 8*05491d2cSKalle Valo * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9*05491d2cSKalle Valo * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10*05491d2cSKalle Valo * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 11*05491d2cSKalle Valo * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12*05491d2cSKalle Valo * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 13*05491d2cSKalle Valo * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 14*05491d2cSKalle Valo * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15*05491d2cSKalle Valo */ 16*05491d2cSKalle Valo 17*05491d2cSKalle Valo #ifndef _BRCM_SCB_H_ 18*05491d2cSKalle Valo #define _BRCM_SCB_H_ 19*05491d2cSKalle Valo 20*05491d2cSKalle Valo #include <linux/if_ether.h> 21*05491d2cSKalle Valo #include <brcmu_utils.h> 22*05491d2cSKalle Valo #include <defs.h> 23*05491d2cSKalle Valo #include "types.h" 24*05491d2cSKalle Valo 25*05491d2cSKalle Valo #define AMPDU_TX_BA_MAX_WSIZE 64 /* max Tx ba window size (in pdu) */ 26*05491d2cSKalle Valo 27*05491d2cSKalle Valo #define AMPDU_MAX_SCB_TID NUMPRIO 28*05491d2cSKalle Valo 29*05491d2cSKalle Valo /* scb flags */ 30*05491d2cSKalle Valo #define SCB_WMECAP 0x0040 31*05491d2cSKalle Valo #define SCB_HTCAP 0x10000 /* HT (MIMO) capable device */ 32*05491d2cSKalle Valo #define SCB_IS40 0x80000 /* 40MHz capable */ 33*05491d2cSKalle Valo #define SCB_STBCCAP 0x40000000 /* STBC Capable */ 34*05491d2cSKalle Valo 35*05491d2cSKalle Valo #define SCB_MAGIC 0xbeefcafe 36*05491d2cSKalle Valo 37*05491d2cSKalle Valo /* structure to store per-tid state for the ampdu initiator */ 38*05491d2cSKalle Valo struct scb_ampdu_tid_ini { 39*05491d2cSKalle Valo /* tx retry count; indexed by seq modulo */ 40*05491d2cSKalle Valo u8 txretry[AMPDU_TX_BA_MAX_WSIZE]; 41*05491d2cSKalle Valo }; 42*05491d2cSKalle Valo 43*05491d2cSKalle Valo struct scb_ampdu { 44*05491d2cSKalle Valo u8 max_pdu; /* max pdus allowed in ampdu */ 45*05491d2cSKalle Valo u8 release; /* # of mpdus released at a time */ 46*05491d2cSKalle Valo u32 max_rx_ampdu_bytes; /* max ampdu rcv length; 8k, 16k, 32k, 64k */ 47*05491d2cSKalle Valo 48*05491d2cSKalle Valo /* 49*05491d2cSKalle Valo * This could easily be a ini[] pointer and we keep this info in wl 50*05491d2cSKalle Valo * itself instead of having mac80211 hold it for us. Also could be made 51*05491d2cSKalle Valo * dynamic per tid instead of static. 52*05491d2cSKalle Valo */ 53*05491d2cSKalle Valo /* initiator info - per tid (NUMPRIO): */ 54*05491d2cSKalle Valo struct scb_ampdu_tid_ini ini[AMPDU_MAX_SCB_TID]; 55*05491d2cSKalle Valo }; 56*05491d2cSKalle Valo 57*05491d2cSKalle Valo /* station control block - one per remote MAC address */ 58*05491d2cSKalle Valo struct scb { 59*05491d2cSKalle Valo u32 magic; 60*05491d2cSKalle Valo u32 flags; /* various bit flags as defined below */ 61*05491d2cSKalle Valo u16 seqctl[NUMPRIO]; /* seqctl of last received frame (for dups) */ 62*05491d2cSKalle Valo u16 seqnum[NUMPRIO];/* WME: driver maintained sw seqnum per priority */ 63*05491d2cSKalle Valo 64*05491d2cSKalle Valo struct scb_ampdu scb_ampdu; /* AMPDU state including per tid info */ 65*05491d2cSKalle Valo }; 66*05491d2cSKalle Valo 67*05491d2cSKalle Valo #endif /* _BRCM_SCB_H_ */ 68