717 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			717 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright (c) 2008-2009 Atheros Communications Inc.
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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
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 * ANY 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
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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#ifndef ATH9K_H
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#define ATH9K_H
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#include <linux/etherdevice.h>
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#include <linux/device.h>
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#include <net/mac80211.h>
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#include <linux/leds.h>
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#include "hw.h"
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#include "rc.h"
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#include "debug.h"
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#include "../ath.h"
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#include "btcoex.h"
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struct ath_node;
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/* Macro to expand scalars to 64-bit objects */
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#define	ito64(x) (sizeof(x) == 8) ?			\
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	(((unsigned long long int)(x)) & (0xff)) :	\
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	(sizeof(x) == 16) ?				\
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	(((unsigned long long int)(x)) & 0xffff) :	\
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	((sizeof(x) == 32) ?				\
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	 (((unsigned long long int)(x)) & 0xffffffff) : \
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	 (unsigned long long int)(x))
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/* increment with wrap-around */
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#define INCR(_l, _sz)   do {			\
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		(_l)++;				\
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		(_l) &= ((_sz) - 1);		\
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	} while (0)
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/* decrement with wrap-around */
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#define DECR(_l,  _sz)  do {			\
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		(_l)--;				\
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		(_l) &= ((_sz) - 1);		\
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	} while (0)
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#define A_MAX(a, b) ((a) > (b) ? (a) : (b))
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#define ASSERT(exp) BUG_ON(!(exp))
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#define TSF_TO_TU(_h,_l) \
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	((((u32)(_h)) << 22) | (((u32)(_l)) >> 10))
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#define	ATH_TXQ_SETUP(sc, i)        ((sc)->tx.txqsetup & (1<<i))
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static const u8 ath_bcast_mac[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
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struct ath_config {
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	u32 ath_aggr_prot;
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	u16 txpowlimit;
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	u8 cabqReadytime;
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};
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/*************************/
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/* Descriptor Management */
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/*************************/
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#define ATH_TXBUF_RESET(_bf) do {				\
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		(_bf)->bf_stale = false;			\
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		(_bf)->bf_lastbf = NULL;			\
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		(_bf)->bf_next = NULL;				\
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		memset(&((_bf)->bf_state), 0,			\
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		       sizeof(struct ath_buf_state));		\
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	} while (0)
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#define ATH_RXBUF_RESET(_bf) do {		\
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		(_bf)->bf_stale = false;	\
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	} while (0)
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/**
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 * enum buffer_type - Buffer type flags
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 *
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 * @BUF_HT: Send this buffer using HT capabilities
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 * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX)
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 * @BUF_AGGR: Indicates whether the buffer can be aggregated
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 *	(used in aggregation scheduling)
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 * @BUF_RETRY: Indicates whether the buffer is retried
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 * @BUF_XRETRY: To denote excessive retries of the buffer
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 */
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enum buffer_type {
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	BUF_HT			= BIT(1),
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	BUF_AMPDU		= BIT(2),
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	BUF_AGGR		= BIT(3),
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	BUF_RETRY		= BIT(4),
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	BUF_XRETRY		= BIT(5),
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};
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struct ath_buf_state {
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	int bfs_nframes;
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	u16 bfs_al;
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	u16 bfs_frmlen;
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	int bfs_seqno;
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	int bfs_tidno;
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	int bfs_retries;
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	u8 bf_type;
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	u32 bfs_keyix;
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	enum ath9k_key_type bfs_keytype;
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};
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#define bf_nframes      	bf_state.bfs_nframes
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#define bf_al           	bf_state.bfs_al
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#define bf_frmlen       	bf_state.bfs_frmlen
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#define bf_retries      	bf_state.bfs_retries
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#define bf_seqno        	bf_state.bfs_seqno
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#define bf_tidno        	bf_state.bfs_tidno
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#define bf_keyix                bf_state.bfs_keyix
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#define bf_keytype      	bf_state.bfs_keytype
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#define bf_isht(bf)		(bf->bf_state.bf_type & BUF_HT)
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#define bf_isampdu(bf)		(bf->bf_state.bf_type & BUF_AMPDU)
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#define bf_isaggr(bf)		(bf->bf_state.bf_type & BUF_AGGR)
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#define bf_isretried(bf)	(bf->bf_state.bf_type & BUF_RETRY)
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#define bf_isxretried(bf)	(bf->bf_state.bf_type & BUF_XRETRY)
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struct ath_buf {
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	struct list_head list;
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	struct ath_buf *bf_lastbf;	/* last buf of this unit (a frame or
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					   an aggregate) */
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	struct ath_buf *bf_next;	/* next subframe in the aggregate */
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	struct sk_buff *bf_mpdu;	/* enclosing frame structure */
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	struct ath_desc *bf_desc;	/* virtual addr of desc */
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	dma_addr_t bf_daddr;		/* physical addr of desc */
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	dma_addr_t bf_buf_addr;		/* physical addr of data buffer */
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	bool bf_stale;
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	bool bf_isnullfunc;
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	u16 bf_flags;
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	struct ath_buf_state bf_state;
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	dma_addr_t bf_dmacontext;
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};
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struct ath_descdma {
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	struct ath_desc *dd_desc;
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	dma_addr_t dd_desc_paddr;
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	u32 dd_desc_len;
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	struct ath_buf *dd_bufptr;
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};
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int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
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		      struct list_head *head, const char *name,
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		      int nbuf, int ndesc);
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void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd,
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			 struct list_head *head);
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/***********/
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/* RX / TX */
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/***********/
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#define ATH_MAX_ANTENNA         3
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#define ATH_RXBUF               512
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#define WME_NUM_TID             16
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#define ATH_TXBUF               512
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#define ATH_TXMAXTRY            13
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#define ATH_MGT_TXMAXTRY        4
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#define WME_BA_BMP_SIZE         64
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#define WME_MAX_BA              WME_BA_BMP_SIZE
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#define ATH_TID_MAX_BUFS        (2 * WME_MAX_BA)
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#define TID_TO_WME_AC(_tid)				\
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	((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE :	\
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	 (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK :	\
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	 (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI :	\
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	 WME_AC_VO)
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#define WME_AC_BE   0
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#define WME_AC_BK   1
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#define WME_AC_VI   2
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#define WME_AC_VO   3
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#define WME_NUM_AC  4
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#define ADDBA_EXCHANGE_ATTEMPTS    10
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#define ATH_AGGR_DELIM_SZ          4
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#define ATH_AGGR_MINPLEN           256 /* in bytes, minimum packet length */
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/* number of delimiters for encryption padding */
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#define ATH_AGGR_ENCRYPTDELIM      10
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/* minimum h/w qdepth to be sustained to maximize aggregation */
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#define ATH_AGGR_MIN_QDEPTH        2
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#define ATH_AMPDU_SUBFRAME_DEFAULT 32
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#define ATH_AMPDU_LIMIT_MAX        (64 * 1024 - 1)
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#define IEEE80211_SEQ_SEQ_SHIFT    4
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#define IEEE80211_SEQ_MAX          4096
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#define IEEE80211_WEP_IVLEN        3
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#define IEEE80211_WEP_KIDLEN       1
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#define IEEE80211_WEP_CRCLEN       4
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#define IEEE80211_MAX_MPDU_LEN     (3840 + FCS_LEN +		\
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				    (IEEE80211_WEP_IVLEN +	\
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				     IEEE80211_WEP_KIDLEN +	\
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				     IEEE80211_WEP_CRCLEN))
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/* return whether a bit at index _n in bitmap _bm is set
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 * _sz is the size of the bitmap  */
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#define ATH_BA_ISSET(_bm, _n)  (((_n) < (WME_BA_BMP_SIZE)) &&		\
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				((_bm)[(_n) >> 5] & (1 << ((_n) & 31))))
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/* return block-ack bitmap index given sequence and starting sequence */
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#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1))
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/* returns delimiter padding required given the packet length */
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#define ATH_AGGR_GET_NDELIM(_len)					\
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	(((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ?           \
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	  (ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2)
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#define BAW_WITHIN(_start, _bawsz, _seqno) \
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	((((_seqno) - (_start)) & 4095) < (_bawsz))
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#define ATH_DS_BA_SEQ(_ds)         ((_ds)->ds_us.tx.ts_seqnum)
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#define ATH_DS_BA_BITMAP(_ds)      (&(_ds)->ds_us.tx.ba_low)
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#define ATH_DS_TX_BA(_ds)          ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA)
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#define ATH_AN_2_TID(_an, _tidno)  (&(_an)->tid[(_tidno)])
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#define ATH_TX_COMPLETE_POLL_INT	1000
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enum ATH_AGGR_STATUS {
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	ATH_AGGR_DONE,
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	ATH_AGGR_BAW_CLOSED,
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	ATH_AGGR_LIMITED,
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};
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struct ath_txq {
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	u32 axq_qnum;
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	u32 *axq_link;
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	struct list_head axq_q;
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	spinlock_t axq_lock;
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	u32 axq_depth;
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	u8 axq_aggr_depth;
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	bool stopped;
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	bool axq_tx_inprogress;
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	struct ath_buf *axq_linkbuf;
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	/* first desc of the last descriptor that contains CTS */
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	struct ath_desc *axq_lastdsWithCTS;
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	/* final desc of the gating desc that determines whether
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	   lastdsWithCTS has been DMA'ed or not */
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	struct ath_desc *axq_gatingds;
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	struct list_head axq_acq;
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};
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#define AGGR_CLEANUP         BIT(1)
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#define AGGR_ADDBA_COMPLETE  BIT(2)
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#define AGGR_ADDBA_PROGRESS  BIT(3)
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struct ath_atx_tid {
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	struct list_head list;
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	struct list_head buf_q;
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	struct ath_node *an;
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	struct ath_atx_ac *ac;
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	struct ath_buf *tx_buf[ATH_TID_MAX_BUFS];
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	u16 seq_start;
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	u16 seq_next;
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	u16 baw_size;
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	int tidno;
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	int baw_head;	/* first un-acked tx buffer */
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	int baw_tail;	/* next unused tx buffer slot */
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	int sched;
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	int paused;
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	u8 state;
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};
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struct ath_atx_ac {
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	int sched;
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	int qnum;
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	struct list_head list;
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	struct list_head tid_q;
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};
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struct ath_tx_control {
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	struct ath_txq *txq;
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	int if_id;
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	enum ath9k_internal_frame_type frame_type;
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};
 | 
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#define ATH_TX_ERROR        0x01
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#define ATH_TX_XRETRY       0x02
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#define ATH_TX_BAR          0x04
 | 
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#define ATH_RSSI_LPF_LEN 		10
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#define RSSI_LPF_THRESHOLD		-20
 | 
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#define ATH9K_RSSI_BAD			0x80
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#define ATH_RSSI_EP_MULTIPLIER     (1<<7)
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#define ATH_EP_MUL(x, mul)         ((x) * (mul))
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#define ATH_RSSI_IN(x)             (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
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#define ATH_LPF_RSSI(x, y, len) \
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    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
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#define ATH_RSSI_LPF(x, y) do {                     			\
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    if ((y) >= RSSI_LPF_THRESHOLD)                         		\
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	x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);  	\
 | 
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} while (0)
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#define ATH_EP_RND(x, mul) 						\
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	((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
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 | 
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struct ath_node {
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	struct ath_softc *an_sc;
 | 
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	struct ath_atx_tid tid[WME_NUM_TID];
 | 
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	struct ath_atx_ac ac[WME_NUM_AC];
 | 
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	u16 maxampdu;
 | 
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	u8 mpdudensity;
 | 
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	int last_rssi;
 | 
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};
 | 
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 | 
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struct ath_tx {
 | 
						|
	u16 seq_no;
 | 
						|
	u32 txqsetup;
 | 
						|
	int hwq_map[ATH9K_WME_AC_VO+1];
 | 
						|
	spinlock_t txbuflock;
 | 
						|
	struct list_head txbuf;
 | 
						|
	struct ath_txq txq[ATH9K_NUM_TX_QUEUES];
 | 
						|
	struct ath_descdma txdma;
 | 
						|
};
 | 
						|
 | 
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struct ath_rx {
 | 
						|
	u8 defant;
 | 
						|
	u8 rxotherant;
 | 
						|
	u32 *rxlink;
 | 
						|
	int bufsize;
 | 
						|
	unsigned int rxfilter;
 | 
						|
	spinlock_t rxflushlock;
 | 
						|
	spinlock_t rxbuflock;
 | 
						|
	struct list_head rxbuf;
 | 
						|
	struct ath_descdma rxdma;
 | 
						|
};
 | 
						|
 | 
						|
int ath_startrecv(struct ath_softc *sc);
 | 
						|
bool ath_stoprecv(struct ath_softc *sc);
 | 
						|
void ath_flushrecv(struct ath_softc *sc);
 | 
						|
u32 ath_calcrxfilter(struct ath_softc *sc);
 | 
						|
int ath_rx_init(struct ath_softc *sc, int nbufs);
 | 
						|
void ath_rx_cleanup(struct ath_softc *sc);
 | 
						|
int ath_rx_tasklet(struct ath_softc *sc, int flush);
 | 
						|
struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype);
 | 
						|
void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq);
 | 
						|
int ath_tx_setup(struct ath_softc *sc, int haltype);
 | 
						|
void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx);
 | 
						|
void ath_draintxq(struct ath_softc *sc,
 | 
						|
		     struct ath_txq *txq, bool retry_tx);
 | 
						|
void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an);
 | 
						|
void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an);
 | 
						|
void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq);
 | 
						|
int ath_tx_init(struct ath_softc *sc, int nbufs);
 | 
						|
void ath_tx_cleanup(struct ath_softc *sc);
 | 
						|
struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb);
 | 
						|
int ath_txq_update(struct ath_softc *sc, int qnum,
 | 
						|
		   struct ath9k_tx_queue_info *q);
 | 
						|
int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 | 
						|
		 struct ath_tx_control *txctl);
 | 
						|
void ath_tx_tasklet(struct ath_softc *sc);
 | 
						|
void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb);
 | 
						|
bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
 | 
						|
void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
 | 
						|
		       u16 tid, u16 *ssn);
 | 
						|
void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
 | 
						|
void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
 | 
						|
 | 
						|
/********/
 | 
						|
/* VIFs */
 | 
						|
/********/
 | 
						|
 | 
						|
struct ath_vif {
 | 
						|
	int av_bslot;
 | 
						|
	__le64 tsf_adjust; /* TSF adjustment for staggered beacons */
 | 
						|
	enum nl80211_iftype av_opmode;
 | 
						|
	struct ath_buf *av_bcbuf;
 | 
						|
	struct ath_tx_control av_btxctl;
 | 
						|
	u8 bssid[ETH_ALEN]; /* current BSSID from config_interface */
 | 
						|
};
 | 
						|
 | 
						|
/*******************/
 | 
						|
/* Beacon Handling */
 | 
						|
/*******************/
 | 
						|
 | 
						|
/*
 | 
						|
 * Regardless of the number of beacons we stagger, (i.e. regardless of the
 | 
						|
 * number of BSSIDs) if a given beacon does not go out even after waiting this
 | 
						|
 * number of beacon intervals, the game's up.
 | 
						|
 */
 | 
						|
#define BSTUCK_THRESH           	(9 * ATH_BCBUF)
 | 
						|
#define	ATH_BCBUF               	4
 | 
						|
#define ATH_DEFAULT_BINTVAL     	100 /* TU */
 | 
						|
#define ATH_DEFAULT_BMISS_LIMIT 	10
 | 
						|
#define IEEE80211_MS_TO_TU(x)           (((x) * 1000) / 1024)
 | 
						|
 | 
						|
struct ath_beacon_config {
 | 
						|
	u16 beacon_interval;
 | 
						|
	u16 listen_interval;
 | 
						|
	u16 dtim_period;
 | 
						|
	u16 bmiss_timeout;
 | 
						|
	u8 dtim_count;
 | 
						|
};
 | 
						|
 | 
						|
struct ath_beacon {
 | 
						|
	enum {
 | 
						|
		OK,		/* no change needed */
 | 
						|
		UPDATE,		/* update pending */
 | 
						|
		COMMIT		/* beacon sent, commit change */
 | 
						|
	} updateslot;		/* slot time update fsm */
 | 
						|
 | 
						|
	u32 beaconq;
 | 
						|
	u32 bmisscnt;
 | 
						|
	u32 ast_be_xmit;
 | 
						|
	u64 bc_tstamp;
 | 
						|
	struct ieee80211_vif *bslot[ATH_BCBUF];
 | 
						|
	struct ath_wiphy *bslot_aphy[ATH_BCBUF];
 | 
						|
	int slottime;
 | 
						|
	int slotupdate;
 | 
						|
	struct ath9k_tx_queue_info beacon_qi;
 | 
						|
	struct ath_descdma bdma;
 | 
						|
	struct ath_txq *cabq;
 | 
						|
	struct list_head bbuf;
 | 
						|
};
 | 
						|
 | 
						|
void ath_beacon_tasklet(unsigned long data);
 | 
						|
void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
 | 
						|
int ath_beaconq_setup(struct ath_hw *ah);
 | 
						|
int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
 | 
						|
void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
 | 
						|
 | 
						|
/*******/
 | 
						|
/* ANI */
 | 
						|
/*******/
 | 
						|
 | 
						|
#define ATH_STA_SHORT_CALINTERVAL 1000    /* 1 second */
 | 
						|
#define ATH_AP_SHORT_CALINTERVAL  100     /* 100 ms */
 | 
						|
#define ATH_ANI_POLLINTERVAL      100     /* 100 ms */
 | 
						|
#define ATH_LONG_CALINTERVAL      30000   /* 30 seconds */
 | 
						|
#define ATH_RESTART_CALINTERVAL   1200000 /* 20 minutes */
 | 
						|
 | 
						|
struct ath_ani {
 | 
						|
	bool caldone;
 | 
						|
	int16_t noise_floor;
 | 
						|
	unsigned int longcal_timer;
 | 
						|
	unsigned int shortcal_timer;
 | 
						|
	unsigned int resetcal_timer;
 | 
						|
	unsigned int checkani_timer;
 | 
						|
	struct timer_list timer;
 | 
						|
};
 | 
						|
 | 
						|
/********************/
 | 
						|
/*   LED Control    */
 | 
						|
/********************/
 | 
						|
 | 
						|
#define ATH_LED_PIN_DEF 		1
 | 
						|
#define ATH_LED_PIN_9287		8
 | 
						|
#define ATH_LED_ON_DURATION_IDLE	350	/* in msecs */
 | 
						|
#define ATH_LED_OFF_DURATION_IDLE	250	/* in msecs */
 | 
						|
 | 
						|
enum ath_led_type {
 | 
						|
	ATH_LED_RADIO,
 | 
						|
	ATH_LED_ASSOC,
 | 
						|
	ATH_LED_TX,
 | 
						|
	ATH_LED_RX
 | 
						|
};
 | 
						|
 | 
						|
struct ath_led {
 | 
						|
	struct ath_softc *sc;
 | 
						|
	struct led_classdev led_cdev;
 | 
						|
	enum ath_led_type led_type;
 | 
						|
	char name[32];
 | 
						|
	bool registered;
 | 
						|
};
 | 
						|
 | 
						|
/********************/
 | 
						|
/* Main driver core */
 | 
						|
/********************/
 | 
						|
 | 
						|
/*
 | 
						|
 * Default cache line size, in bytes.
 | 
						|
 * Used when PCI device not fully initialized by bootrom/BIOS
 | 
						|
*/
 | 
						|
#define DEFAULT_CACHELINE       32
 | 
						|
#define	ATH_DEFAULT_NOISE_FLOOR -95
 | 
						|
#define ATH_REGCLASSIDS_MAX     10
 | 
						|
#define ATH_CABQ_READY_TIME     80      /* % of beacon interval */
 | 
						|
#define ATH_MAX_SW_RETRIES      10
 | 
						|
#define ATH_CHAN_MAX            255
 | 
						|
#define IEEE80211_WEP_NKID      4       /* number of key ids */
 | 
						|
 | 
						|
/*
 | 
						|
 * The key cache is used for h/w cipher state and also for
 | 
						|
 * tracking station state such as the current tx antenna.
 | 
						|
 * We also setup a mapping table between key cache slot indices
 | 
						|
 * and station state to short-circuit node lookups on rx.
 | 
						|
 * Different parts have different size key caches.  We handle
 | 
						|
 * up to ATH_KEYMAX entries (could dynamically allocate state).
 | 
						|
 */
 | 
						|
#define	ATH_KEYMAX	        128     /* max key cache size we handle */
 | 
						|
 | 
						|
#define ATH_TXPOWER_MAX         100     /* .5 dBm units */
 | 
						|
#define ATH_RSSI_DUMMY_MARKER   0x127
 | 
						|
#define ATH_RATE_DUMMY_MARKER   0
 | 
						|
 | 
						|
#define SC_OP_INVALID           BIT(0)
 | 
						|
#define SC_OP_BEACONS           BIT(1)
 | 
						|
#define SC_OP_RXAGGR            BIT(2)
 | 
						|
#define SC_OP_TXAGGR            BIT(3)
 | 
						|
#define SC_OP_FULL_RESET        BIT(4)
 | 
						|
#define SC_OP_PREAMBLE_SHORT    BIT(5)
 | 
						|
#define SC_OP_PROTECT_ENABLE    BIT(6)
 | 
						|
#define SC_OP_RXFLUSH           BIT(7)
 | 
						|
#define SC_OP_LED_ASSOCIATED    BIT(8)
 | 
						|
#define SC_OP_WAIT_FOR_BEACON   BIT(12)
 | 
						|
#define SC_OP_LED_ON            BIT(13)
 | 
						|
#define SC_OP_SCANNING          BIT(14)
 | 
						|
#define SC_OP_TSF_RESET         BIT(15)
 | 
						|
#define SC_OP_WAIT_FOR_CAB      BIT(16)
 | 
						|
#define SC_OP_WAIT_FOR_PSPOLL_DATA BIT(17)
 | 
						|
#define SC_OP_WAIT_FOR_TX_ACK   BIT(18)
 | 
						|
#define SC_OP_BEACON_SYNC       BIT(19)
 | 
						|
#define SC_OP_BTCOEX_ENABLED    BIT(20)
 | 
						|
#define SC_OP_BT_PRIORITY_DETECTED BIT(21)
 | 
						|
#define SC_OP_NULLFUNC_COMPLETED   BIT(22)
 | 
						|
#define SC_OP_PS_ENABLED	BIT(23)
 | 
						|
 | 
						|
struct ath_bus_ops {
 | 
						|
	void		(*read_cachesize)(struct ath_softc *sc, int *csz);
 | 
						|
	void		(*cleanup)(struct ath_softc *sc);
 | 
						|
	bool		(*eeprom_read)(struct ath_hw *ah, u32 off, u16 *data);
 | 
						|
};
 | 
						|
 | 
						|
struct ath_wiphy;
 | 
						|
 | 
						|
struct ath_softc {
 | 
						|
	struct ieee80211_hw *hw;
 | 
						|
	struct device *dev;
 | 
						|
 | 
						|
	struct ath_common common;
 | 
						|
 | 
						|
	spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */
 | 
						|
	struct ath_wiphy *pri_wiphy;
 | 
						|
	struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may
 | 
						|
				       * have NULL entries */
 | 
						|
	int num_sec_wiphy; /* number of sec_wiphy pointers in the array */
 | 
						|
	int chan_idx;
 | 
						|
	int chan_is_ht;
 | 
						|
	struct ath_wiphy *next_wiphy;
 | 
						|
	struct work_struct chan_work;
 | 
						|
	int wiphy_select_failures;
 | 
						|
	unsigned long wiphy_select_first_fail;
 | 
						|
	struct delayed_work wiphy_work;
 | 
						|
	unsigned long wiphy_scheduler_int;
 | 
						|
	int wiphy_scheduler_index;
 | 
						|
 | 
						|
	struct tasklet_struct intr_tq;
 | 
						|
	struct tasklet_struct bcon_tasklet;
 | 
						|
	struct ath_hw *sc_ah;
 | 
						|
	void __iomem *mem;
 | 
						|
	int irq;
 | 
						|
	spinlock_t sc_resetlock;
 | 
						|
	spinlock_t sc_serial_rw;
 | 
						|
	spinlock_t ani_lock;
 | 
						|
	spinlock_t sc_pm_lock;
 | 
						|
	struct mutex mutex;
 | 
						|
 | 
						|
	u8 curbssid[ETH_ALEN];
 | 
						|
	u8 bssidmask[ETH_ALEN];
 | 
						|
	u32 intrstatus;
 | 
						|
	u32 sc_flags; /* SC_OP_* */
 | 
						|
	u16 curtxpow;
 | 
						|
	u16 curaid;
 | 
						|
	u8 nbcnvifs;
 | 
						|
	u16 nvifs;
 | 
						|
	u8 tx_chainmask;
 | 
						|
	u8 rx_chainmask;
 | 
						|
	u32 keymax;
 | 
						|
	DECLARE_BITMAP(keymap, ATH_KEYMAX);
 | 
						|
	u8 splitmic;
 | 
						|
	bool ps_enabled;
 | 
						|
	unsigned long ps_usecount;
 | 
						|
	enum ath9k_int imask;
 | 
						|
	enum ath9k_ht_extprotspacing ht_extprotspacing;
 | 
						|
	enum ath9k_ht_macmode tx_chan_width;
 | 
						|
 | 
						|
	struct ath_config config;
 | 
						|
	struct ath_rx rx;
 | 
						|
	struct ath_tx tx;
 | 
						|
	struct ath_beacon beacon;
 | 
						|
	struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
 | 
						|
	const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
 | 
						|
	const struct ath_rate_table *cur_rate_table;
 | 
						|
	struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
 | 
						|
 | 
						|
	struct ath_led radio_led;
 | 
						|
	struct ath_led assoc_led;
 | 
						|
	struct ath_led tx_led;
 | 
						|
	struct ath_led rx_led;
 | 
						|
	struct delayed_work ath_led_blink_work;
 | 
						|
	int led_on_duration;
 | 
						|
	int led_off_duration;
 | 
						|
	int led_on_cnt;
 | 
						|
	int led_off_cnt;
 | 
						|
 | 
						|
	int beacon_interval;
 | 
						|
 | 
						|
	struct ath_ani ani;
 | 
						|
#ifdef CONFIG_ATH9K_DEBUG
 | 
						|
	struct ath9k_debug debug;
 | 
						|
#endif
 | 
						|
	struct ath_bus_ops *bus_ops;
 | 
						|
	struct ath_beacon_config cur_beacon_conf;
 | 
						|
	struct delayed_work tx_complete_work;
 | 
						|
	struct ath_btcoex_info btcoex_info;
 | 
						|
};
 | 
						|
 | 
						|
struct ath_wiphy {
 | 
						|
	struct ath_softc *sc; /* shared for all virtual wiphys */
 | 
						|
	struct ieee80211_hw *hw;
 | 
						|
	enum ath_wiphy_state {
 | 
						|
		ATH_WIPHY_INACTIVE,
 | 
						|
		ATH_WIPHY_ACTIVE,
 | 
						|
		ATH_WIPHY_PAUSING,
 | 
						|
		ATH_WIPHY_PAUSED,
 | 
						|
		ATH_WIPHY_SCAN,
 | 
						|
	} state;
 | 
						|
	int chan_idx;
 | 
						|
	int chan_is_ht;
 | 
						|
};
 | 
						|
 | 
						|
int ath_reset(struct ath_softc *sc, bool retry_tx);
 | 
						|
int ath_get_hal_qnum(u16 queue, struct ath_softc *sc);
 | 
						|
int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc);
 | 
						|
int ath_cabq_update(struct ath_softc *);
 | 
						|
 | 
						|
static inline struct ath_common *ath9k_hw_common(struct ath_hw *ah)
 | 
						|
{
 | 
						|
	return &ah->ah_sc->common;
 | 
						|
}
 | 
						|
 | 
						|
static inline struct ath_regulatory *ath9k_hw_regulatory(struct ath_hw *ah)
 | 
						|
{
 | 
						|
	return &(ath9k_hw_common(ah)->regulatory);
 | 
						|
}
 | 
						|
 | 
						|
static inline void ath_read_cachesize(struct ath_softc *sc, int *csz)
 | 
						|
{
 | 
						|
	sc->bus_ops->read_cachesize(sc, csz);
 | 
						|
}
 | 
						|
 | 
						|
static inline void ath_bus_cleanup(struct ath_softc *sc)
 | 
						|
{
 | 
						|
	sc->bus_ops->cleanup(sc);
 | 
						|
}
 | 
						|
 | 
						|
extern struct ieee80211_ops ath9k_ops;
 | 
						|
 | 
						|
irqreturn_t ath_isr(int irq, void *dev);
 | 
						|
void ath_cleanup(struct ath_softc *sc);
 | 
						|
int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid);
 | 
						|
void ath_detach(struct ath_softc *sc);
 | 
						|
const char *ath_mac_bb_name(u32 mac_bb_version);
 | 
						|
const char *ath_rf_name(u16 rf_version);
 | 
						|
void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw);
 | 
						|
void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
 | 
						|
			   struct ath9k_channel *ichan);
 | 
						|
void ath_update_chainmask(struct ath_softc *sc, int is_ht);
 | 
						|
int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
 | 
						|
		    struct ath9k_channel *hchan);
 | 
						|
void ath_radio_enable(struct ath_softc *sc);
 | 
						|
void ath_radio_disable(struct ath_softc *sc);
 | 
						|
 | 
						|
#ifdef CONFIG_PCI
 | 
						|
int ath_pci_init(void);
 | 
						|
void ath_pci_exit(void);
 | 
						|
#else
 | 
						|
static inline int ath_pci_init(void) { return 0; };
 | 
						|
static inline void ath_pci_exit(void) {};
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef CONFIG_ATHEROS_AR71XX
 | 
						|
int ath_ahb_init(void);
 | 
						|
void ath_ahb_exit(void);
 | 
						|
#else
 | 
						|
static inline int ath_ahb_init(void) { return 0; };
 | 
						|
static inline void ath_ahb_exit(void) {};
 | 
						|
#endif
 | 
						|
 | 
						|
void ath9k_ps_wakeup(struct ath_softc *sc);
 | 
						|
void ath9k_ps_restore(struct ath_softc *sc);
 | 
						|
 | 
						|
void ath9k_set_bssid_mask(struct ieee80211_hw *hw);
 | 
						|
int ath9k_wiphy_add(struct ath_softc *sc);
 | 
						|
int ath9k_wiphy_del(struct ath_wiphy *aphy);
 | 
						|
void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb);
 | 
						|
int ath9k_wiphy_pause(struct ath_wiphy *aphy);
 | 
						|
int ath9k_wiphy_unpause(struct ath_wiphy *aphy);
 | 
						|
int ath9k_wiphy_select(struct ath_wiphy *aphy);
 | 
						|
void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int);
 | 
						|
void ath9k_wiphy_chan_work(struct work_struct *work);
 | 
						|
bool ath9k_wiphy_started(struct ath_softc *sc);
 | 
						|
void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
 | 
						|
				  struct ath_wiphy *selected);
 | 
						|
bool ath9k_wiphy_scanning(struct ath_softc *sc);
 | 
						|
void ath9k_wiphy_work(struct work_struct *work);
 | 
						|
bool ath9k_all_wiphys_idle(struct ath_softc *sc);
 | 
						|
 | 
						|
void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val);
 | 
						|
unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset);
 | 
						|
 | 
						|
int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype);
 | 
						|
#endif /* ATH9K_H */
 |