diff options
| author | Senthil Balasubramanian <senthilkumar@atheros.com> | 2010-07-27 17:46:31 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-07-27 22:59:58 +0400 |
| commit | f63b340d1bab58aac07ae1b528d58a73b76b0970 (patch) | |
| tree | 98cee83abc348f3f21f64c204e52291239f97aa6 /drivers/net/wireless/ath/ath9k/rc.h | |
| parent | 32162a4dab0e6a4ca7f886a01173b5f9b80843be (diff) | |
| download | linux-f63b340d1bab58aac07ae1b528d58a73b76b0970.tar.xz | |
ath9k: Introduce bit masks for valid and valid_single_stream.
replace valid and valid_single_stream in rate table with bit masks
and reorganize the code so adding 3x3 rate control would be easier.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/rc.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/rc.h | 47 |
1 files changed, 31 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h index 3d8d40cdc99e..601803aa06ff 100644 --- a/drivers/net/wireless/ath/ath9k/rc.h +++ b/drivers/net/wireless/ath/ath9k/rc.h @@ -27,17 +27,29 @@ struct ath_softc; #define RATE_TABLE_SIZE 64 #define MAX_TX_RATE_PHY 48 -/* VALID_ALL - valid for 20/40/Legacy, - * VALID - Legacy only, - * VALID_20 - HT 20 only, - * VALID_40 - HT 40 only */ - -#define INVALID 0x0 -#define VALID 0x1 -#define VALID_20 0x2 -#define VALID_40 0x4 -#define VALID_2040 (VALID_20|VALID_40) -#define VALID_ALL (VALID_2040|VALID) + +#define RC_INVALID 0x0000 +#define RC_LEGACY 0x0001 +#define RC_SS 0x0002 +#define RC_DS 0x0004 +#define RC_TS 0x0008 +#define RC_HT_20 0x0010 +#define RC_HT_40 0x0020 + +#define RC_SS_OR_LEGACY(f) ((f) & (RC_SS | RC_LEGACY)) + +#define RC_HT_2040 (RC_HT_20 | RC_HT_40) +#define RC_ALL_STREAM (RC_SS | RC_DS) +#define RC_L_SD (RC_LEGACY | RC_SS | RC_DS) +#define RC_HT_SD_2040 (RC_HT_2040 | RC_SS | RC_DS) +#define RC_HT_S_20 (RC_HT_20 | RC_SS) +#define RC_HT_SD_20 (RC_HT_20 | RC_SS | RC_DS) +#define RC_HT_SD_40 (RC_HT_40 | RC_SS | RC_DS) +#define RC_HT_S_20 (RC_HT_20 | RC_SS) +#define RC_HT_S_40 (RC_HT_40 | RC_SS) +#define RC_HT_D_20 (RC_HT_20 | RC_DS) +#define RC_HT_D_40 (RC_HT_40 | RC_DS) +#define RC_ALL (RC_LEGACY | RC_HT_2040 | RC_ALL_STREAM) enum { WLAN_RC_PHY_OFDM, @@ -73,15 +85,19 @@ enum { #define WLAN_RC_PHY_HT(_phy) (_phy >= WLAN_RC_PHY_HT_20_SS) #define WLAN_RC_CAP_MODE(capflag) (((capflag & WLAN_RC_HT_FLAG) ? \ - (capflag & WLAN_RC_40_FLAG) ? VALID_40 : VALID_20 : VALID)) + ((capflag & WLAN_RC_40_FLAG) ? RC_HT_40 : RC_HT_20) : RC_LEGACY)) + +#define WLAN_RC_CAP_STREAM(capflag) \ + (((capflag) & WLAN_RC_DS_FLAG) ? RC_DS : RC_SS) + /* Return TRUE if flag supports HT20 && client supports HT20 or * return TRUE if flag supports HT40 && client supports HT40. * This is used becos some rates overlap between HT20/HT40. */ #define WLAN_RC_PHY_HT_VALID(flag, capflag) \ - (((flag & VALID_20) && !(capflag & WLAN_RC_40_FLAG)) || \ - ((flag & VALID_40) && (capflag & WLAN_RC_40_FLAG))) + (((flag & RC_HT_20) && !(capflag & WLAN_RC_40_FLAG)) || \ + ((flag & RC_HT_40) && (capflag & WLAN_RC_40_FLAG))) #define WLAN_RC_DS_FLAG (0x01) #define WLAN_RC_40_FLAG (0x02) @@ -110,8 +126,7 @@ struct ath_rate_table { int rate_cnt; int mcs_start; struct { - u8 valid; - u8 valid_single_stream; + u16 rate_flags; u8 phy; u32 ratekbps; u32 user_ratekbps; |