common.h File Reference

#include "../ath.h"
#include "hw.h"
#include "hw-ops.h"

Go to the source code of this file.

Macros
#define	WME_NUM_TID   16
#define	WME_BA_BMP_SIZE   64
#define	WME_MAX_BA   WME_BA_BMP_SIZE
#define	ATH_TID_MAX_BUFS   (2 * WME_MAX_BA)
#define	WME_AC_BE   2
#define	WME_NUM_AC   1
#define	ATH_RSSI_DUMMY_MARKER   0x127
#define	ATH_RSSI_LPF_LEN   10
#define	RSSI_LPF_THRESHOLD   -20
#define	ATH_RSSI_EP_MULTIPLIER   (1<<7)
#define	ATH_EP_MUL(x, mul)
#define	ATH_RSSI_IN(x)
#define	ATH_LPF_RSSI(x, y, len)
#define	ATH_RSSI_LPF(x, y)
#define	ATH_EP_RND(x, mul)

Functions
	FILE_LICENCE (BSD2)
	FILE_SECBOOT (FORBIDDEN)
void	ath9k_cmn_update_ichannel (struct ath9k_channel *ichan, struct net80211_channel *chan)
struct ath9k_channel *	ath9k_cmn_get_curchannel (struct net80211_device *dev, struct ath_hw *ah)
void	ath9k_cmn_update_txpow (struct ath_hw *ah, u16 cur_txpow, u16 new_txpow, u16 *txpower)

Macro Definition Documentation

WME_NUM_TID

#define WME_NUM_TID   16

Definition at line 30 of file common.h.

WME_BA_BMP_SIZE

#define WME_BA_BMP_SIZE   64

Definition at line 31 of file common.h.

WME_MAX_BA

#define WME_MAX_BA   WME_BA_BMP_SIZE

Definition at line 32 of file common.h.

ATH_TID_MAX_BUFS

#define ATH_TID_MAX_BUFS   (2 * WME_MAX_BA)

Definition at line 33 of file common.h.

WME_AC_BE

#define WME_AC_BE   2

Definition at line 35 of file common.h.

Referenced by ath_txq_setup().

WME_NUM_AC

#define WME_NUM_AC   1

Definition at line 36 of file common.h.

Referenced by ath9k_init_queues().

ATH_RSSI_DUMMY_MARKER

#define ATH_RSSI_DUMMY_MARKER   0x127

Definition at line 38 of file common.h.

Referenced by ath9k_bss_iter(), and ath9k_init_device().

ATH_RSSI_LPF_LEN

#define ATH_RSSI_LPF_LEN   10

Definition at line 39 of file common.h.

RSSI_LPF_THRESHOLD

#define RSSI_LPF_THRESHOLD   -20

Definition at line 40 of file common.h.

ATH_RSSI_EP_MULTIPLIER

#define ATH_RSSI_EP_MULTIPLIER   (1<<7)

Definition at line 41 of file common.h.

ATH_EP_MUL

#define ATH_EP_MUL	(		x,
			mul )

Value:

((x) * (mul))

Definition at line 42 of file common.h.

ATH_RSSI_IN

#define ATH_RSSI_IN

(

x

)

Value:

(ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))

Definition at line 43 of file common.h.

ATH_LPF_RSSI

#define ATH_LPF_RSSI	(		x,
			y,
			len )

Value:

    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))

Definition at line 44 of file common.h.

#define ATH_LPF_RSSI(x, y, len) \
    ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))

ATH_RSSI_LPF

#define ATH_RSSI_LPF	(		x,
			y )

Value:

    do {                                        \
    if ((y) >= RSSI_LPF_THRESHOLD)                                   \
        x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);    \
} while (0)

Definition at line 46 of file common.h.

#define ATH_RSSI_LPF(x, y) do {                                         \
    if ((y) >= RSSI_LPF_THRESHOLD)                                      \
        x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN);      \
} while (0)

ATH_EP_RND

#define ATH_EP_RND	(		x,
			mul )

Value:

        ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))

Definition at line 50 of file common.h.

#define ATH_EP_RND(x, mul)                                              \
        ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

BSD2

)

FILE_SECBOOT()

FILE_SECBOOT

(

FORBIDDEN

)

ath9k_cmn_update_ichannel()

void ath9k_cmn_update_ichannel	(	struct ath9k_channel *	ichan,
		struct net80211_channel *	chan )

Definition at line 31 of file ath9k_common.c.

{
        ichan->channel = chan->center_freq;
        ichan->chan = chan;
 
        if (chan->band == NET80211_BAND_2GHZ) {
                ichan->chanmode = CHANNEL_G;
                ichan->channelFlags = CHANNEL_2GHZ | CHANNEL_OFDM;
        } else {
                ichan->chanmode = CHANNEL_A;
                ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM;
        }
}

References net80211_channel::band, net80211_channel::center_freq, ath9k_channel::chan, ath9k_channel::chanmode, ath9k_channel::channel, CHANNEL_2GHZ, CHANNEL_5GHZ, CHANNEL_A, CHANNEL_G, CHANNEL_OFDM, ath9k_channel::channelFlags, and NET80211_BAND_2GHZ.

Referenced by ath9k_cmn_get_curchannel(), and ath9k_config().

ath9k_cmn_get_curchannel()

struct ath9k_channel * ath9k_cmn_get_curchannel	(	struct net80211_device *	dev,
		struct ath_hw *	ah )

Definition at line 49 of file ath9k_common.c.

{
        struct net80211_channel *curchan = dev->channels + dev->channel;
        struct ath9k_channel *channel;
        u8 chan_idx;
 
        chan_idx = curchan->hw_value;
        channel = &ah->channels[chan_idx];
        ath9k_cmn_update_ichannel(channel, curchan);
 
        return channel;
}

References ah, ath9k_cmn_update_ichannel(), channel, net80211_device::channel, net80211_device::channels, net80211_channel::hw_value, and u8.

Referenced by ath9k_start(), and ath_radio_disable().

ath9k_cmn_update_txpow()

void ath9k_cmn_update_txpow	(	struct ath_hw *	ah,
		u16	cur_txpow,
		u16	new_txpow,
		u16 *	txpower )

Definition at line 63 of file ath9k_common.c.

{
        if (cur_txpow != new_txpow) {
                ath9k_hw_set_txpowerlimit(ah, new_txpow, 0);
                /* read back in case value is clamped */
                *txpower = ath9k_hw_regulatory(ah)->power_limit;
        }
}

References ah, ath9k_hw_regulatory(), ath9k_hw_set_txpowerlimit(), ath_regulatory::power_limit, and u16.

Referenced by ath9k_config(), ath9k_start(), ath_reset(), and ath_set_channel().