1*b4c3e9b5SBjoern A. Zeeb /* 2*b4c3e9b5SBjoern A. Zeeb * Copyright (c) 2010 Broadcom Corporation 3*b4c3e9b5SBjoern A. Zeeb * 4*b4c3e9b5SBjoern A. Zeeb * Permission to use, copy, modify, and/or distribute this software for any 5*b4c3e9b5SBjoern A. Zeeb * purpose with or without fee is hereby granted, provided that the above 6*b4c3e9b5SBjoern A. Zeeb * copyright notice and this permission notice appear in all copies. 7*b4c3e9b5SBjoern A. Zeeb * 8*b4c3e9b5SBjoern A. Zeeb * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9*b4c3e9b5SBjoern A. Zeeb * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10*b4c3e9b5SBjoern A. Zeeb * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 11*b4c3e9b5SBjoern A. Zeeb * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12*b4c3e9b5SBjoern A. Zeeb * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 13*b4c3e9b5SBjoern A. Zeeb * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 14*b4c3e9b5SBjoern A. Zeeb * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15*b4c3e9b5SBjoern A. Zeeb */ 16*b4c3e9b5SBjoern A. Zeeb 17*b4c3e9b5SBjoern A. Zeeb #ifndef _BRCM_SCB_H_ 18*b4c3e9b5SBjoern A. Zeeb #define _BRCM_SCB_H_ 19*b4c3e9b5SBjoern A. Zeeb 20*b4c3e9b5SBjoern A. Zeeb #include <linux/if_ether.h> 21*b4c3e9b5SBjoern A. Zeeb #include <brcmu_utils.h> 22*b4c3e9b5SBjoern A. Zeeb #include <defs.h> 23*b4c3e9b5SBjoern A. Zeeb #include "types.h" 24*b4c3e9b5SBjoern A. Zeeb 25*b4c3e9b5SBjoern A. Zeeb #define AMPDU_TX_BA_MAX_WSIZE 64 /* max Tx ba window size (in pdu) */ 26*b4c3e9b5SBjoern A. Zeeb 27*b4c3e9b5SBjoern A. Zeeb #define AMPDU_MAX_SCB_TID NUMPRIO 28*b4c3e9b5SBjoern A. Zeeb 29*b4c3e9b5SBjoern A. Zeeb /* scb flags */ 30*b4c3e9b5SBjoern A. Zeeb #define SCB_WMECAP 0x0040 31*b4c3e9b5SBjoern A. Zeeb #define SCB_HTCAP 0x10000 /* HT (MIMO) capable device */ 32*b4c3e9b5SBjoern A. Zeeb #define SCB_IS40 0x80000 /* 40MHz capable */ 33*b4c3e9b5SBjoern A. Zeeb #define SCB_STBCCAP 0x40000000 /* STBC Capable */ 34*b4c3e9b5SBjoern A. Zeeb 35*b4c3e9b5SBjoern A. Zeeb #define SCB_MAGIC 0xbeefcafe 36*b4c3e9b5SBjoern A. Zeeb 37*b4c3e9b5SBjoern A. Zeeb /* structure to store per-tid state for the ampdu initiator */ 38*b4c3e9b5SBjoern A. Zeeb struct scb_ampdu_tid_ini { 39*b4c3e9b5SBjoern A. Zeeb /* tx retry count; indexed by seq modulo */ 40*b4c3e9b5SBjoern A. Zeeb u8 txretry[AMPDU_TX_BA_MAX_WSIZE]; 41*b4c3e9b5SBjoern A. Zeeb }; 42*b4c3e9b5SBjoern A. Zeeb 43*b4c3e9b5SBjoern A. Zeeb struct scb_ampdu { 44*b4c3e9b5SBjoern A. Zeeb u8 max_pdu; /* max pdus allowed in ampdu */ 45*b4c3e9b5SBjoern A. Zeeb u8 release; /* # of mpdus released at a time */ 46*b4c3e9b5SBjoern A. Zeeb u32 max_rx_ampdu_bytes; /* max ampdu rcv length; 8k, 16k, 32k, 64k */ 47*b4c3e9b5SBjoern A. Zeeb 48*b4c3e9b5SBjoern A. Zeeb /* 49*b4c3e9b5SBjoern A. Zeeb * This could easily be a ini[] pointer and we keep this info in wl 50*b4c3e9b5SBjoern A. Zeeb * itself instead of having mac80211 hold it for us. Also could be made 51*b4c3e9b5SBjoern A. Zeeb * dynamic per tid instead of static. 52*b4c3e9b5SBjoern A. Zeeb */ 53*b4c3e9b5SBjoern A. Zeeb /* initiator info - per tid (NUMPRIO): */ 54*b4c3e9b5SBjoern A. Zeeb struct scb_ampdu_tid_ini ini[AMPDU_MAX_SCB_TID]; 55*b4c3e9b5SBjoern A. Zeeb }; 56*b4c3e9b5SBjoern A. Zeeb 57*b4c3e9b5SBjoern A. Zeeb /* station control block - one per remote MAC address */ 58*b4c3e9b5SBjoern A. Zeeb struct scb { 59*b4c3e9b5SBjoern A. Zeeb u32 magic; 60*b4c3e9b5SBjoern A. Zeeb u32 flags; /* various bit flags as defined below */ 61*b4c3e9b5SBjoern A. Zeeb u16 seqctl[NUMPRIO]; /* seqctl of last received frame (for dups) */ 62*b4c3e9b5SBjoern A. Zeeb u16 seqnum[NUMPRIO];/* WME: driver maintained sw seqnum per priority */ 63*b4c3e9b5SBjoern A. Zeeb 64*b4c3e9b5SBjoern A. Zeeb struct scb_ampdu scb_ampdu; /* AMPDU state including per tid info */ 65*b4c3e9b5SBjoern A. Zeeb }; 66*b4c3e9b5SBjoern A. Zeeb 67*b4c3e9b5SBjoern A. Zeeb #endif /* _BRCM_SCB_H_ */ 68