c6a9e1fc71
Part of code cleanup effort. Global replace of wlc_info_t with struct wlc_info. Signed-off-by: Roland Vossen <rvossen@broadcom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/*
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* Copyright (c) 2010 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _wlc_scb_h_
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#define _wlc_scb_h_
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#include <proto/802.1d.h>
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extern bool wlc_aggregatable(struct wlc_info *wlc, u8 tid);
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#define AMPDU_TX_BA_MAX_WSIZE 64 /* max Tx ba window size (in pdu) */
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/* structure to store per-tid state for the ampdu initiator */
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typedef struct scb_ampdu_tid_ini {
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u32 magic;
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u8 tx_in_transit; /* number of pending mpdus in transit in driver */
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u8 tid; /* initiator tid for easy lookup */
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u8 txretry[AMPDU_TX_BA_MAX_WSIZE]; /* tx retry count; indexed by seq modulo */
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struct scb *scb; /* backptr for easy lookup */
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} scb_ampdu_tid_ini_t;
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#define AMPDU_MAX_SCB_TID NUMPRIO
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typedef struct scb_ampdu {
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struct scb *scb; /* back pointer for easy reference */
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u8 mpdu_density; /* mpdu density */
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u8 max_pdu; /* max pdus allowed in ampdu */
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u8 release; /* # of mpdus released at a time */
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u16 min_len; /* min mpdu len to support the density */
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u32 max_rxlen; /* max ampdu rcv length; 8k, 16k, 32k, 64k */
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struct pktq txq; /* sdu transmit queue pending aggregation */
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/* This could easily be a ini[] pointer and we keep this info in wl itself instead
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* of having mac80211 hold it for us. Also could be made dynamic per tid instead of
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* static.
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*/
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scb_ampdu_tid_ini_t ini[AMPDU_MAX_SCB_TID]; /* initiator info - per tid (NUMPRIO) */
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} scb_ampdu_t;
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#define SCB_MAGIC 0xbeefcafe
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#define INI_MAGIC 0xabcd1234
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/* station control block - one per remote MAC address */
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struct scb {
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u32 magic;
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u32 flags; /* various bit flags as defined below */
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u32 flags2; /* various bit flags2 as defined below */
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u8 state; /* current state bitfield of auth/assoc process */
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struct ether_addr ea; /* station address */
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void *fragbuf[NUMPRIO]; /* defragmentation buffer per prio */
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uint fragresid[NUMPRIO]; /* #bytes unused in frag buffer per prio */
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u16 seqctl[NUMPRIO]; /* seqctl of last received frame (for dups) */
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u16 seqctl_nonqos; /* seqctl of last received frame (for dups) for
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* non-QoS data and management
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*/
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u16 seqnum[NUMPRIO]; /* WME: driver maintained sw seqnum per priority */
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scb_ampdu_t scb_ampdu; /* AMPDU state including per tid info */
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};
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/* scb flags */
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#define SCB_WMECAP 0x0040 /* may ONLY be set if WME_ENAB(wlc) */
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#define SCB_HTCAP 0x10000 /* HT (MIMO) capable device */
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#define SCB_IS40 0x80000 /* 40MHz capable */
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#define SCB_STBCCAP 0x40000000 /* STBC Capable */
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#define SCB_WME(a) ((a)->flags & SCB_WMECAP)/* implies WME_ENAB */
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#define SCB_SEQNUM(scb, prio) ((scb)->seqnum[(prio)])
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#define SCB_PS(a) NULL
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#define SCB_STBC_CAP(a) ((a)->flags & SCB_STBCCAP)
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#define SCB_AMPDU(a) true
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#endif /* _wlc_scb_h_ */
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