提交 f63b340d 编写于 作者: S Senthil Balasubramanian 提交者: John W. Linville

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: NSenthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 32162a4d
此差异已折叠。
......@@ -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;
......
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