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ath9k_hw: simplify channel flags

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There was some duplication between channelFlags and chanmode, as well as
a lot of redundant checks based on the combinations of flags.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
2013-10-11 23:30:56 +02:00
committed by John W. Linville
parent 81c507a8b0
commit 6b21fd2027
4 changed files with 49 additions and 129 deletions
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80
drivers/net/wireless/ath/ath9k/hw.h
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@@ -369,36 +369,6 @@ enum ath9k_int {
ATH9K_INT_NOCARD = 0xffffffff
};
#define CHANNEL_CCK 0x00020
#define CHANNEL_OFDM 0x00040
#define CHANNEL_2GHZ 0x00080
#define CHANNEL_5GHZ 0x00100
#define CHANNEL_PASSIVE 0x00200
#define CHANNEL_DYN 0x00400
#define CHANNEL_HALF 0x04000
#define CHANNEL_QUARTER 0x08000
#define CHANNEL_HT20 0x10000
#define CHANNEL_HT40PLUS 0x20000
#define CHANNEL_HT40MINUS 0x40000
#define CHANNEL_A (CHANNEL_5GHZ|CHANNEL_OFDM)
#define CHANNEL_B (CHANNEL_2GHZ|CHANNEL_CCK)
#define CHANNEL_G (CHANNEL_2GHZ|CHANNEL_OFDM)
#define CHANNEL_G_HT20 (CHANNEL_2GHZ|CHANNEL_HT20)
#define CHANNEL_A_HT20 (CHANNEL_5GHZ|CHANNEL_HT20)
#define CHANNEL_G_HT40PLUS (CHANNEL_2GHZ|CHANNEL_HT40PLUS)
#define CHANNEL_G_HT40MINUS (CHANNEL_2GHZ|CHANNEL_HT40MINUS)
#define CHANNEL_A_HT40PLUS (CHANNEL_5GHZ|CHANNEL_HT40PLUS)
#define CHANNEL_A_HT40MINUS (CHANNEL_5GHZ|CHANNEL_HT40MINUS)
#define CHANNEL_ALL \
(CHANNEL_OFDM| \
CHANNEL_CCK| \
CHANNEL_2GHZ | \
CHANNEL_5GHZ | \
CHANNEL_HT20 | \
CHANNEL_HT40PLUS | \
CHANNEL_HT40MINUS)
#define MAX_RTT_TABLE_ENTRY 6
#define MAX_IQCAL_MEASUREMENT 8
#define MAX_CL_TAB_ENTRY 16
@@ -417,8 +387,7 @@ enum ath9k_cal_flags {
struct ath9k_hw_cal_data {
u16 channel;
u32 channelFlags;
u32 chanmode;
u16 channelFlags;
unsigned long cal_flags;
int32_t CalValid;
int8_t iCoff;
@@ -436,33 +405,34 @@ struct ath9k_hw_cal_data {
struct ath9k_channel {
struct ieee80211_channel *chan;
u16 channel;
u32 channelFlags;
u32 chanmode;
u16 channelFlags;
s16 noisefloor;
};
#define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
(((_c)->channelFlags & CHANNEL_G_HT20) == CHANNEL_G_HT20) || \
(((_c)->channelFlags & CHANNEL_G_HT40PLUS) == CHANNEL_G_HT40PLUS) || \
(((_c)->channelFlags & CHANNEL_G_HT40MINUS) == CHANNEL_G_HT40MINUS))
#define IS_CHAN_5GHZ(_c) (((_c)->channelFlags & CHANNEL_5GHZ) != 0)
#define IS_CHAN_2GHZ(_c) (((_c)->channelFlags & CHANNEL_2GHZ) != 0)
#define IS_CHAN_HALF_RATE(_c) (((_c)->channelFlags & CHANNEL_HALF) != 0)
#define IS_CHAN_QUARTER_RATE(_c) (((_c)->channelFlags & CHANNEL_QUARTER) != 0)
#define IS_CHAN_A_FAST_CLOCK(_ah, _c) \
((((_c)->channelFlags & CHANNEL_5GHZ) != 0) && \
((_ah)->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK))
#define CHANNEL_5GHZ BIT(0)
#define CHANNEL_HALF BIT(1)
#define CHANNEL_QUARTER BIT(2)
#define CHANNEL_HT BIT(3)
#define CHANNEL_HT40PLUS BIT(4)
#define CHANNEL_HT40MINUS BIT(5)
/* These macros check chanmode and not channelFlags */
#define IS_CHAN_HT20(_c) (((_c)->chanmode == CHANNEL_A_HT20) || \
((_c)->chanmode == CHANNEL_G_HT20))
#define IS_CHAN_HT40(_c) (((_c)->chanmode == CHANNEL_A_HT40PLUS) || \
((_c)->chanmode == CHANNEL_A_HT40MINUS) || \
((_c)->chanmode == CHANNEL_G_HT40PLUS) || \
((_c)->chanmode == CHANNEL_G_HT40MINUS))
#define IS_CHAN_HT(_c) (IS_CHAN_HT20((_c)) || IS_CHAN_HT40((_c)))
#define IS_CHAN_HT40PLUS(_c) ((_c)->chanmode & CHANNEL_HT40PLUS)
#define IS_CHAN_HT40MINUS(_c) ((_c)->chanmode & CHANNEL_HT40MINUS)
#define IS_CHAN_5GHZ(_c) (!!((_c)->channelFlags & CHANNEL_5GHZ))
#define IS_CHAN_2GHZ(_c) (!IS_CHAN_5GHZ(_c))
#define IS_CHAN_HALF_RATE(_c) (!!((_c)->channelFlags & CHANNEL_HALF))
#define IS_CHAN_QUARTER_RATE(_c) (!!((_c)->channelFlags & CHANNEL_QUARTER))
#define IS_CHAN_A_FAST_CLOCK(_ah, _c) \
(IS_CHAN_5GHZ(_c) && ((_ah)->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK))
#define IS_CHAN_HT(_c) ((_c)->channelFlags & CHANNEL_HT)
#define IS_CHAN_HT20(_c) (IS_CHAN_HT(_c) && !IS_CHAN_HT40(_c))
#define IS_CHAN_HT40(_c) \
(!!((_c)->channelFlags & (CHANNEL_HT40PLUS | CHANNEL_HT40MINUS)))
#define IS_CHAN_HT40PLUS(_c) ((_c)->channelFlags & CHANNEL_HT40PLUS)
#define IS_CHAN_HT40MINUS(_c) ((_c)->channelFlags & CHANNEL_HT40MINUS)
enum ath9k_power_mode {
ATH9K_PM_AWAKE = 0,