wlc_channel.h

来自「wi-fi sources for asus wl138g v2 pci car」· C头文件 代码 · 共 79 行

/*
 * Common interface to channel definitions.
 * Copyright 2005-2006, Broadcom Corporation
 * All Rights Reserved.                
 *                                     
 * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
 * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
 * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
 * $Id$
 */

#ifndef _WLC_CHANNEL_H_
#define _WLC_CHANNEL_H_


#define WLC_TXPWR_DB_FACTOR 4 /* conversion for phy txpwr cacluations that use .25 dB units */

struct wlc_info;

/* channel bitvec */
typedef struct {
	uint8	vec[MAXCHANNEL/NBBY];	/* bitvec of channels */
} chanvec_t;

/* bits for locale_info flags */
#define WLC_PEAK_CONDUCTED	0x00 /* Peak for locals */
#define WLC_EIRP		0x01 /* Flag for EIRP */
#define WLC_DFS_TPC		0x02 /* Flag for DFS TPC */
#define WLC_NO_OFDM		0x04 /* Flag for No OFDM */

#if !ACONF
#define LOCALES(band2, band5)	band2, NULL
#elif !GCONF
#define LOCALES(band2, band5)	NULL, band5
#else /* must be both */
#define LOCALES(band2, band5)	band2, band5
#endif	/* !ACONF */

/* Specify channel types for get_first and get_next channel routines */
#define	CHAN_TYPE_ANY		0	/* Dont care */
#define	CHAN_TYPE_CHATTY	1	/* Normal, non-radar channel */
#define	CHAN_TYPE_QUIET		2	/* Radar channel */

#if	ACONF     /* RADAR */
#define	QUIET_CHANNEL(wlc, channel)	isset((wlc)->quiet_channels.vec, channel)
#define	SETQUIET(wlc, channel)		setbit((wlc)->quiet_channels.vec, channel)
#define	CLRQUIET(wlc, channel)		clrbit((wlc)->quiet_channels.vec, channel)
#else
#define	QUIET_CHANNEL(wlc, channel)	0
#define	SETQUIET(wlc, channel)		do { } while (0)
#define	CLRQUIET(wlc, channel)		do { } while (0)
#endif /* ACONF */




#define VALID_BAND(wlc, band)		((band == WLC_BAND_AUTO) || (band == WLC_BAND_2G) || \
	(band == WLC_BAND_5G))
/* B channels we support are 1 - 14, anything higher is an A channel. */
#define BAND_OF_CHANNEL(wlc, chan)	((chan <= WLC_MAX_2G_CHANNEL) ? WLC_BAND_2G : WLC_BAND_5G)

extern bool wlc_valid_channel(int bandtype, uint channel);


#define	VALID_CHANNEL_DB(wlc, channel) \
	(wlc_valid_channel(wlc->band->bandtype, channel) || \
	(wlc_valid_channel(wlc->bandstate[OTHERBANDUNIT(wlc)].bandtype, channel)))
#define VALID_CHANNEL_IN_BAND(wlc, bandunit, channel) \
	(wlc_valid_channel(wlc->bandstate[bandunit].bandtype, channel))
#define VALID_CHANNEL(wlc, channel) wlc_valid_channel(wlc->band->bandtype, channel)

extern uint8 wlc_next_channel(struct wlc_info *wlc, uint8 cur_chan, int type, bool any_band);
extern int wlc_channels_init(struct wlc_info *wlc);
extern bool wlc_check_locale_flags(int bandtype, uint val);
extern bool wlc_check_locale_radar(int bandtype, uint channel);

#endif /* _WLC_CHANNEL_H */