scb.rar_The Store

/* * Copyright (c) 2010 Broadcom Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #ifndef _BRCM_SCB_H_ #define _BRCM_SCB_H_ #include <linux/if_ether.h> #include <brcmu_utils.h> #include <defs.h> #include "types.h" #define AMPDU_TX_BA_MAX_WSIZE 64 /* max Tx ba window size (in pdu) */ #define AMPDU_MAX_SCB_TID NUMPRIO /* scb flags */ #define SCB_WMECAP 0x0040 #define SCB_HTCAP 0x10000 /* HT (MIMO) capable device */ #define SCB_IS40 0x80000 /* 40MHz capable */ #define SCB_STBCCAP 0x40000000 /* STBC Capable */ #define SCB_MAGIC 0xbeefcafe /* structure to store per-tid state for the ampdu initiator */ struct scb_ampdu_tid_ini { u8 tid; /* initiator tid for easy lookup */ /* tx retry count; indexed by seq modulo */ u8 txretry[AMPDU_TX_BA_MAX_WSIZE]; struct scb *scb; /* backptr for easy lookup */ u8 ba_wsize; /* negotiated ba window size (in pdu) */ }; struct scb_ampdu { struct scb *scb; /* back pointer for easy reference */ u8 mpdu_density; /* mpdu density */ u8 max_pdu; /* max pdus allowed in ampdu */ u8 release; /* # of mpdus released at a time */ u16 min_len; /* min mpdu len to support the density */ u32 max_rx_ampdu_bytes; /* max ampdu rcv length; 8k, 16k, 32k, 64k */ /* * This could easily be a ini[] pointer and we keep this info in wl * itself instead of having mac80211 hold it for us. Also could be made * dynamic per tid instead of static. */ /* initiator info - per tid (NUMPRIO): */ struct scb_ampdu_tid_ini ini[AMPDU_MAX_SCB_TID]; }; /* station control block - one per remote MAC address */ struct scb { u32 magic; u32 flags; /* various bit flags as defined below */ u32 flags2; /* various bit flags2 as defined below */ u8 state; /* current state bitfield of auth/assoc process */ u8 ea[ETH_ALEN]; /* station address */ uint fragresid[NUMPRIO];/* #bytes unused in frag buffer per prio */ u16 seqctl[NUMPRIO]; /* seqctl of last received frame (for dups) */ /* seqctl of last received frame (for dups) for non-QoS data and * management */ u16 seqctl_nonqos; u16 seqnum[NUMPRIO];/* WME: driver maintained sw seqnum per priority */ struct scb_ampdu scb_ampdu; /* AMPDU state including per tid info */ }; #endif /* _BRCM_SCB_H_ */