* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-/*
- * Atheros rate control algorithm
- */
-
#include "core.h"
-/* FIXME: remove this include! */
-#include "../net/mac80211/rate.h"
-
-static u32 tx_triglevel_max;
static struct ath_rate_table ar5416_11na_ratetable = {
42,
+ {0},
{
- { TRUE, TRUE, WLAN_PHY_OFDM, 6000, /* 6 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
5400, 0x0b, 0x00, 12,
0, 2, 1, 0, 0, 0, 0, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 9000, /* 9 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
7800, 0x0f, 0x00, 18,
0, 3, 1, 1, 1, 1, 1, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 12 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
10000, 0x0a, 0x00, 24,
2, 4, 2, 2, 2, 2, 2, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 18000, /* 18 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
13900, 0x0e, 0x00, 36,
2, 6, 2, 3, 3, 3, 3, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 24000, /* 24 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
17300, 0x09, 0x00, 48,
4, 10, 3, 4, 4, 4, 4, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 36000, /* 36 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
23000, 0x0d, 0x00, 72,
4, 14, 3, 5, 5, 5, 5, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 48000, /* 48 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
27400, 0x08, 0x00, 96,
4, 20, 3, 6, 6, 6, 6, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 54000, /* 54 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
29300, 0x0c, 0x00, 108,
4, 23, 3, 7, 7, 7, 7, 0 },
- { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 6500, /* 6.5 Mb */
+ { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
6400, 0x80, 0x00, 0,
0, 2, 3, 8, 24, 8, 24, 3216 },
- { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 13000, /* 13 Mb */
+ { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
12700, 0x81, 0x00, 1,
2, 4, 3, 9, 25, 9, 25, 6434 },
- { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 19500, /* 19.5 Mb */
+ { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
18800, 0x82, 0x00, 2,
2, 6, 3, 10, 26, 10, 26, 9650 },
- { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 26000, /* 26 Mb */
+ { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
25000, 0x83, 0x00, 3,
4, 10, 3, 11, 27, 11, 27, 12868 },
- { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 39000, /* 39 Mb */
+ { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
36700, 0x84, 0x00, 4,
4, 14, 3, 12, 28, 12, 28, 19304 },
- { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 52000, /* 52 Mb */
+ { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
48100, 0x85, 0x00, 5,
4, 20, 3, 13, 29, 13, 29, 25740 },
- { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 58500, /* 58.5 Mb */
+ { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
53500, 0x86, 0x00, 6,
4, 23, 3, 14, 30, 14, 30, 28956 },
- { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 65000, /* 65 Mb */
+ { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
59000, 0x87, 0x00, 7,
4, 25, 3, 15, 31, 15, 32, 32180 },
- { FALSE, FALSE, WLAN_PHY_HT_20_DS, 13000, /* 13 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
12700, 0x88, 0x00,
8, 0, 2, 3, 16, 33, 16, 33, 6430 },
- { FALSE, FALSE, WLAN_PHY_HT_20_DS, 26000, /* 26 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
24800, 0x89, 0x00, 9,
2, 4, 3, 17, 34, 17, 34, 12860 },
- { FALSE, FALSE, WLAN_PHY_HT_20_DS, 39000, /* 39 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
36600, 0x8a, 0x00, 10,
2, 6, 3, 18, 35, 18, 35, 19300 },
- { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 52000, /* 52 Mb */
+ { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
48100, 0x8b, 0x00, 11,
4, 10, 3, 19, 36, 19, 36, 25736 },
- { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 78000, /* 78 Mb */
+ { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
69500, 0x8c, 0x00, 12,
4, 14, 3, 20, 37, 20, 37, 38600 },
- { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 104000, /* 104 Mb */
+ { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
89500, 0x8d, 0x00, 13,
4, 20, 3, 21, 38, 21, 38, 51472 },
- { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 117000, /* 117 Mb */
+ { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
98900, 0x8e, 0x00, 14,
4, 23, 3, 22, 39, 22, 39, 57890 },
- { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 130000, /* 130 Mb */
+ { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
108300, 0x8f, 0x00, 15,
4, 25, 3, 23, 40, 23, 41, 64320 },
- { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 13500, /* 13.5 Mb */
+ { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
13200, 0x80, 0x00, 0,
0, 2, 3, 8, 24, 24, 24, 6684 },
- { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 27500, /* 27.0 Mb */
+ { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
25900, 0x81, 0x00, 1,
2, 4, 3, 9, 25, 25, 25, 13368 },
- { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 40500, /* 40.5 Mb */
+ { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
38600, 0x82, 0x00, 2,
2, 6, 3, 10, 26, 26, 26, 20052 },
- { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 54000, /* 54 Mb */
+ { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
49800, 0x83, 0x00, 3,
4, 10, 3, 11, 27, 27, 27, 26738 },
- { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 81500, /* 81 Mb */
+ { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
72200, 0x84, 0x00, 4,
4, 14, 3, 12, 28, 28, 28, 40104 },
- { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 108000, /* 108 Mb */
+ { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
92900, 0x85, 0x00, 5,
4, 20, 3, 13, 29, 29, 29, 53476 },
- { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 121500, /* 121.5 Mb */
+ { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
102700, 0x86, 0x00, 6,
4, 23, 3, 14, 30, 30, 30, 60156 },
- { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 135000, /* 135 Mb */
+ { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
112000, 0x87, 0x00, 7,
4, 25, 3, 15, 31, 32, 32, 66840 },
- { FALSE, TRUE_40, WLAN_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
+ { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
122000, 0x87, 0x00, 7,
4, 25, 3, 15, 31, 32, 32, 74200 },
- { FALSE, FALSE, WLAN_PHY_HT_40_DS, 27000, /* 27 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
25800, 0x88, 0x00, 8,
0, 2, 3, 16, 33, 33, 33, 13360 },
- { FALSE, FALSE, WLAN_PHY_HT_40_DS, 54000, /* 54 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
49800, 0x89, 0x00, 9,
2, 4, 3, 17, 34, 34, 34, 26720 },
- { FALSE, FALSE, WLAN_PHY_HT_40_DS, 81000, /* 81 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
71900, 0x8a, 0x00, 10,
2, 6, 3, 18, 35, 35, 35, 40080 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 108000, /* 108 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
92500, 0x8b, 0x00, 11,
4, 10, 3, 19, 36, 36, 36, 53440 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 162000, /* 162 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
130300, 0x8c, 0x00, 12,
4, 14, 3, 20, 37, 37, 37, 80160 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 216000, /* 216 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
162800, 0x8d, 0x00, 13,
4, 20, 3, 21, 38, 38, 38, 106880 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 243000, /* 243 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
178200, 0x8e, 0x00, 14,
4, 23, 3, 22, 39, 39, 39, 120240 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 270000, /* 270 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
192100, 0x8f, 0x00, 15,
4, 25, 3, 23, 40, 41, 41, 133600 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
207000, 0x8f, 0x00, 15,
4, 25, 3, 23, 40, 41, 41, 148400 },
},
WLAN_RC_HT_FLAG, /* Phy rates allowed initially */
};
-/* TRUE_ALL - valid for 20/40/Legacy,
- * TRUE - Legacy only,
- * TRUE_20 - HT 20 only,
- * TRUE_40 - HT 40 only */
-
/* 4ms frame limit not used for NG mode. The values filled
* for HT are the 64K max aggregate limit */
static struct ath_rate_table ar5416_11ng_ratetable = {
46,
+ {0},
{
- { TRUE_ALL, TRUE_ALL, WLAN_PHY_CCK, 1000, /* 1 Mb */
+ { VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
900, 0x1b, 0x00, 2,
0, 0, 1, 0, 0, 0, 0, 0 },
- { TRUE_ALL, TRUE_ALL, WLAN_PHY_CCK, 2000, /* 2 Mb */
+ { VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
1900, 0x1a, 0x04, 4,
1, 1, 1, 1, 1, 1, 1, 0 },
- { TRUE_ALL, TRUE_ALL, WLAN_PHY_CCK, 5500, /* 5.5 Mb */
+ { VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
4900, 0x19, 0x04, 11,
2, 2, 2, 2, 2, 2, 2, 0 },
- { TRUE_ALL, TRUE_ALL, WLAN_PHY_CCK, 11000, /* 11 Mb */
+ { VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
8100, 0x18, 0x04, 22,
3, 3, 2, 3, 3, 3, 3, 0 },
- { FALSE, FALSE, WLAN_PHY_OFDM, 6000, /* 6 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
5400, 0x0b, 0x00, 12,
4, 2, 1, 4, 4, 4, 4, 0 },
- { FALSE, FALSE, WLAN_PHY_OFDM, 9000, /* 9 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
7800, 0x0f, 0x00, 18,
4, 3, 1, 5, 5, 5, 5, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 12 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
10100, 0x0a, 0x00, 24,
6, 4, 1, 6, 6, 6, 6, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 18000, /* 18 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
14100, 0x0e, 0x00, 36,
6, 6, 2, 7, 7, 7, 7, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 24000, /* 24 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
17700, 0x09, 0x00, 48,
8, 10, 3, 8, 8, 8, 8, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 36000, /* 36 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
23700, 0x0d, 0x00, 72,
8, 14, 3, 9, 9, 9, 9, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 48000, /* 48 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
27400, 0x08, 0x00, 96,
8, 20, 3, 10, 10, 10, 10, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 54000, /* 54 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
30900, 0x0c, 0x00, 108,
8, 23, 3, 11, 11, 11, 11, 0 },
- { FALSE, FALSE, WLAN_PHY_HT_20_SS, 6500, /* 6.5 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
6400, 0x80, 0x00, 0,
4, 2, 3, 12, 28, 12, 28, 3216 },
- { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 13000, /* 13 Mb */
+ { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
12700, 0x81, 0x00, 1,
6, 4, 3, 13, 29, 13, 29, 6434 },
- { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 19500, /* 19.5 Mb */
+ { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
18800, 0x82, 0x00, 2,
6, 6, 3, 14, 30, 14, 30, 9650 },
- { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 26000, /* 26 Mb */
+ { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
25000, 0x83, 0x00, 3,
8, 10, 3, 15, 31, 15, 31, 12868 },
- { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 39000, /* 39 Mb */
+ { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
36700, 0x84, 0x00, 4,
8, 14, 3, 16, 32, 16, 32, 19304 },
- { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 52000, /* 52 Mb */
+ { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
48100, 0x85, 0x00, 5,
8, 20, 3, 17, 33, 17, 33, 25740 },
- { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 58500, /* 58.5 Mb */
+ { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
53500, 0x86, 0x00, 6,
8, 23, 3, 18, 34, 18, 34, 28956 },
- { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 65000, /* 65 Mb */
+ { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
59000, 0x87, 0x00, 7,
8, 25, 3, 19, 35, 19, 36, 32180 },
- { FALSE, FALSE, WLAN_PHY_HT_20_DS, 13000, /* 13 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
12700, 0x88, 0x00, 8,
4, 2, 3, 20, 37, 20, 37, 6430 },
- { FALSE, FALSE, WLAN_PHY_HT_20_DS, 26000, /* 26 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
24800, 0x89, 0x00, 9,
6, 4, 3, 21, 38, 21, 38, 12860 },
- { FALSE, FALSE, WLAN_PHY_HT_20_DS, 39000, /* 39 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
36600, 0x8a, 0x00, 10,
6, 6, 3, 22, 39, 22, 39, 19300 },
- { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 52000, /* 52 Mb */
+ { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
48100, 0x8b, 0x00, 11,
8, 10, 3, 23, 40, 23, 40, 25736 },
- { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 78000, /* 78 Mb */
+ { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
69500, 0x8c, 0x00, 12,
8, 14, 3, 24, 41, 24, 41, 38600 },
- { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 104000, /* 104 Mb */
+ { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
89500, 0x8d, 0x00, 13,
8, 20, 3, 25, 42, 25, 42, 51472 },
- { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 117000, /* 117 Mb */
+ { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
98900, 0x8e, 0x00, 14,
8, 23, 3, 26, 43, 26, 44, 57890 },
- { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 130000, /* 130 Mb */
+ { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
108300, 0x8f, 0x00, 15,
8, 25, 3, 27, 44, 27, 45, 64320 },
- { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 13500, /* 13.5 Mb */
+ { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
13200, 0x80, 0x00, 0,
8, 2, 3, 12, 28, 28, 28, 6684 },
- { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 27500, /* 27.0 Mb */
+ { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
25900, 0x81, 0x00, 1,
8, 4, 3, 13, 29, 29, 29, 13368 },
- { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 40500, /* 40.5 Mb */
+ { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
38600, 0x82, 0x00, 2,
8, 6, 3, 14, 30, 30, 30, 20052 },
- { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 54000, /* 54 Mb */
+ { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
49800, 0x83, 0x00, 3,
8, 10, 3, 15, 31, 31, 31, 26738 },
- { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 81500, /* 81 Mb */
+ { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
72200, 0x84, 0x00, 4,
8, 14, 3, 16, 32, 32, 32, 40104 },
- { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 108000, /* 108 Mb */
+ { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
92900, 0x85, 0x00, 5,
8, 20, 3, 17, 33, 33, 33, 53476 },
- { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 121500, /* 121.5 Mb */
+ { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
102700, 0x86, 0x00, 6,
8, 23, 3, 18, 34, 34, 34, 60156 },
- { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 135000, /* 135 Mb */
+ { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
112000, 0x87, 0x00, 7,
8, 23, 3, 19, 35, 36, 36, 66840 },
- { FALSE, TRUE_40, WLAN_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
+ { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
122000, 0x87, 0x00, 7,
8, 25, 3, 19, 35, 36, 36, 74200 },
- { FALSE, FALSE, WLAN_PHY_HT_40_DS, 27000, /* 27 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
25800, 0x88, 0x00, 8,
8, 2, 3, 20, 37, 37, 37, 13360 },
- { FALSE, FALSE, WLAN_PHY_HT_40_DS, 54000, /* 54 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
49800, 0x89, 0x00, 9,
8, 4, 3, 21, 38, 38, 38, 26720 },
- { FALSE, FALSE, WLAN_PHY_HT_40_DS, 81000, /* 81 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
71900, 0x8a, 0x00, 10,
8, 6, 3, 22, 39, 39, 39, 40080 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 108000, /* 108 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
92500, 0x8b, 0x00, 11,
8, 10, 3, 23, 40, 40, 40, 53440 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 162000, /* 162 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
130300, 0x8c, 0x00, 12,
8, 14, 3, 24, 41, 41, 41, 80160 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 216000, /* 216 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
162800, 0x8d, 0x00, 13,
8, 20, 3, 25, 42, 42, 42, 106880 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 243000, /* 243 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
178200, 0x8e, 0x00, 14,
8, 23, 3, 26, 43, 43, 43, 120240 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 270000, /* 270 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
192100, 0x8f, 0x00, 15,
8, 23, 3, 27, 44, 45, 45, 133600 },
- { TRUE_40, FALSE, WLAN_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
+ { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
207000, 0x8f, 0x00, 15,
8, 25, 3, 27, 44, 45, 45, 148400 },
},
static struct ath_rate_table ar5416_11a_ratetable = {
8,
+ {0},
{
- { TRUE, TRUE, WLAN_PHY_OFDM, 6000, /* 6 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
5400, 0x0b, 0x00, (0x80|12),
0, 2, 1, 0, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 9000, /* 9 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
7800, 0x0f, 0x00, 18,
0, 3, 1, 1, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 12 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
10000, 0x0a, 0x00, (0x80|24),
2, 4, 2, 2, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 18000, /* 18 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
13900, 0x0e, 0x00, 36,
2, 6, 2, 3, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 24000, /* 24 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
17300, 0x09, 0x00, (0x80|48),
4, 10, 3, 4, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 36000, /* 36 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
23000, 0x0d, 0x00, 72,
4, 14, 3, 5, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 48000, /* 48 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
27400, 0x08, 0x00, 96,
4, 19, 3, 6, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 54000, /* 54 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
29300, 0x0c, 0x00, 108,
4, 23, 3, 7, 0 },
},
0, /* Phy rates allowed initially */
};
-static struct ath_rate_table ar5416_11a_ratetable_Half = {
- 8,
- {
- { TRUE, TRUE, WLAN_PHY_OFDM, 3000, /* 6 Mb */
- 2700, 0x0b, 0x00, (0x80|6),
- 0, 2, 1, 0, 0},
- { TRUE, TRUE, WLAN_PHY_OFDM, 4500, /* 9 Mb */
- 3900, 0x0f, 0x00, 9,
- 0, 3, 1, 1, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 6000, /* 12 Mb */
- 5000, 0x0a, 0x00, (0x80|12),
- 2, 4, 2, 2, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 9000, /* 18 Mb */
- 6950, 0x0e, 0x00, 18,
- 2, 6, 2, 3, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 24 Mb */
- 8650, 0x09, 0x00, (0x80|24),
- 4, 10, 3, 4, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 18000, /* 36 Mb */
- 11500, 0x0d, 0x00, 36,
- 4, 14, 3, 5, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 24000, /* 48 Mb */
- 13700, 0x08, 0x00, 48,
- 4, 19, 3, 6, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 27000, /* 54 Mb */
- 14650, 0x0c, 0x00, 54,
- 4, 23, 3, 7, 0 },
- },
- 50, /* probe interval */
- 50, /* rssi reduce interval */
- 0, /* Phy rates allowed initially */
-};
-
-static struct ath_rate_table ar5416_11a_ratetable_Quarter = {
- 8,
- {
- { TRUE, TRUE, WLAN_PHY_OFDM, 1500, /* 6 Mb */
- 1350, 0x0b, 0x00, (0x80|3),
- 0, 2, 1, 0, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 2250, /* 9 Mb */
- 1950, 0x0f, 0x00, 4,
- 0, 3, 1, 1, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 3000, /* 12 Mb */
- 2500, 0x0a, 0x00, (0x80|6),
- 2, 4, 2, 2, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 4500, /* 18 Mb */
- 3475, 0x0e, 0x00, 9,
- 2, 6, 2, 3, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 6000, /* 25 Mb */
- 4325, 0x09, 0x00, (0x80|12),
- 4, 10, 3, 4, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 9000, /* 36 Mb */
- 5750, 0x0d, 0x00, 18,
- 4, 14, 3, 5, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 48 Mb */
- 6850, 0x08, 0x00, 24,
- 4, 19, 3, 6, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 13500, /* 54 Mb */
- 7325, 0x0c, 0x00, 27,
- 4, 23, 3, 7, 0 },
- },
- 50, /* probe interval */
- 50, /* rssi reduce interval */
- 0, /* Phy rates allowed initially */
-};
-
static struct ath_rate_table ar5416_11g_ratetable = {
12,
+ {0},
{
- { TRUE, TRUE, WLAN_PHY_CCK, 1000, /* 1 Mb */
+ { VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
900, 0x1b, 0x00, 2,
0, 0, 1, 0, 0 },
- { TRUE, TRUE, WLAN_PHY_CCK, 2000, /* 2 Mb */
+ { VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
1900, 0x1a, 0x04, 4,
1, 1, 1, 1, 0 },
- { TRUE, TRUE, WLAN_PHY_CCK, 5500, /* 5.5 Mb */
+ { VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
4900, 0x19, 0x04, 11,
2, 2, 2, 2, 0 },
- { TRUE, TRUE, WLAN_PHY_CCK, 11000, /* 11 Mb */
+ { VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
8100, 0x18, 0x04, 22,
3, 3, 2, 3, 0 },
- { FALSE, FALSE, WLAN_PHY_OFDM, 6000, /* 6 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
5400, 0x0b, 0x00, 12,
4, 2, 1, 4, 0 },
- { FALSE, FALSE, WLAN_PHY_OFDM, 9000, /* 9 Mb */
+ { INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
7800, 0x0f, 0x00, 18,
4, 3, 1, 5, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 12 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
10000, 0x0a, 0x00, 24,
6, 4, 1, 6, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 18000, /* 18 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
13900, 0x0e, 0x00, 36,
6, 6, 2, 7, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 24000, /* 24 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
17300, 0x09, 0x00, 48,
8, 10, 3, 8, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 36000, /* 36 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
23000, 0x0d, 0x00, 72,
8, 14, 3, 9, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 48000, /* 48 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
27400, 0x08, 0x00, 96,
8, 19, 3, 10, 0 },
- { TRUE, TRUE, WLAN_PHY_OFDM, 54000, /* 54 Mb */
+ { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
29300, 0x0c, 0x00, 108,
8, 23, 3, 11, 0 },
},
static struct ath_rate_table ar5416_11b_ratetable = {
4,
+ {0},
{
- { TRUE, TRUE, WLAN_PHY_CCK, 1000, /* 1 Mb */
+ { VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
900, 0x1b, 0x00, (0x80|2),
0, 0, 1, 0, 0 },
- { TRUE, TRUE, WLAN_PHY_CCK, 2000, /* 2 Mb */
+ { VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
1800, 0x1a, 0x04, (0x80|4),
1, 1, 1, 1, 0 },
- { TRUE, TRUE, WLAN_PHY_CCK, 5500, /* 5.5 Mb */
+ { VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
4300, 0x19, 0x04, (0x80|11),
1, 2, 2, 2, 0 },
- { TRUE, TRUE, WLAN_PHY_CCK, 11000, /* 11 Mb */
+ { VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
7100, 0x18, 0x04, (0x80|22),
1, 4, 100, 3, 0 },
},
0, /* Phy rates allowed initially */
};
-static void ar5416_attach_ratetables(struct ath_rate_softc *sc)
-{
- /*
- * Attach rate tables.
- */
- sc->hw_rate_table[ATH9K_MODE_11B] = &ar5416_11b_ratetable;
- sc->hw_rate_table[ATH9K_MODE_11A] = &ar5416_11a_ratetable;
- sc->hw_rate_table[ATH9K_MODE_11G] = &ar5416_11g_ratetable;
-
- sc->hw_rate_table[ATH9K_MODE_11NA_HT20] = &ar5416_11na_ratetable;
- sc->hw_rate_table[ATH9K_MODE_11NG_HT20] = &ar5416_11ng_ratetable;
- sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS] =
- &ar5416_11na_ratetable;
- sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS] =
- &ar5416_11na_ratetable;
- sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS] =
- &ar5416_11ng_ratetable;
- sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS] =
- &ar5416_11ng_ratetable;
-}
-
-static void ar5416_setquarter_ratetable(struct ath_rate_softc *sc)
-{
- sc->hw_rate_table[ATH9K_MODE_11A] = &ar5416_11a_ratetable_Quarter;
- return;
-}
-
-static void ar5416_sethalf_ratetable(struct ath_rate_softc *sc)
-{
- sc->hw_rate_table[ATH9K_MODE_11A] = &ar5416_11a_ratetable_Half;
- return;
-}
-
-static void ar5416_setfull_ratetable(struct ath_rate_softc *sc)
-{
- sc->hw_rate_table[ATH9K_MODE_11A] = &ar5416_11a_ratetable;
- return;
-}
-
-/*
- * Return the median of three numbers
- */
static inline int8_t median(int8_t a, int8_t b, int8_t c)
{
if (a >= b) {
}
}
-static void ath_rc_sort_validrates(const struct ath_rate_table *rate_table,
- struct ath_tx_ratectrl *rate_ctrl)
+static void ath_rc_sort_validrates(struct ath_rate_table *rate_table,
+ struct ath_rate_priv *ath_rc_priv)
{
u8 i, j, idx, idx_next;
- for (i = rate_ctrl->max_valid_rate - 1; i > 0; i--) {
+ for (i = ath_rc_priv->max_valid_rate - 1; i > 0; i--) {
for (j = 0; j <= i-1; j++) {
- idx = rate_ctrl->valid_rate_index[j];
- idx_next = rate_ctrl->valid_rate_index[j+1];
+ idx = ath_rc_priv->valid_rate_index[j];
+ idx_next = ath_rc_priv->valid_rate_index[j+1];
if (rate_table->info[idx].ratekbps >
rate_table->info[idx_next].ratekbps) {
- rate_ctrl->valid_rate_index[j] = idx_next;
- rate_ctrl->valid_rate_index[j+1] = idx;
+ ath_rc_priv->valid_rate_index[j] = idx_next;
+ ath_rc_priv->valid_rate_index[j+1] = idx;
}
}
}
}
-/* Access functions for valid_txrate_mask */
-
-static void ath_rc_init_valid_txmask(struct ath_tx_ratectrl *rate_ctrl)
+static void ath_rc_init_valid_txmask(struct ath_rate_priv *ath_rc_priv)
{
u8 i;
- for (i = 0; i < rate_ctrl->rate_table_size; i++)
- rate_ctrl->valid_rate_index[i] = FALSE;
+ for (i = 0; i < ath_rc_priv->rate_table_size; i++)
+ ath_rc_priv->valid_rate_index[i] = 0;
}
-static inline void ath_rc_set_valid_txmask(struct ath_tx_ratectrl *rate_ctrl,
+static inline void ath_rc_set_valid_txmask(struct ath_rate_priv *ath_rc_priv,
u8 index, int valid_tx_rate)
{
- ASSERT(index <= rate_ctrl->rate_table_size);
- rate_ctrl->valid_rate_index[index] = valid_tx_rate ? TRUE : FALSE;
+ ASSERT(index <= ath_rc_priv->rate_table_size);
+ ath_rc_priv->valid_rate_index[index] = valid_tx_rate ? 1 : 0;
}
-static inline int ath_rc_isvalid_txmask(struct ath_tx_ratectrl *rate_ctrl,
+static inline int ath_rc_isvalid_txmask(struct ath_rate_priv *ath_rc_priv,
u8 index)
{
- ASSERT(index <= rate_ctrl->rate_table_size);
- return rate_ctrl->valid_rate_index[index];
+ ASSERT(index <= ath_rc_priv->rate_table_size);
+ return ath_rc_priv->valid_rate_index[index];
}
-/* Iterators for valid_txrate_mask */
-static inline int
-ath_rc_get_nextvalid_txrate(const struct ath_rate_table *rate_table,
- struct ath_tx_ratectrl *rate_ctrl,
- u8 cur_valid_txrate,
- u8 *next_idx)
+static inline int ath_rc_get_nextvalid_txrate(struct ath_rate_table *rate_table,
+ struct ath_rate_priv *ath_rc_priv,
+ u8 cur_valid_txrate,
+ u8 *next_idx)
{
u8 i;
- for (i = 0; i < rate_ctrl->max_valid_rate - 1; i++) {
- if (rate_ctrl->valid_rate_index[i] == cur_valid_txrate) {
- *next_idx = rate_ctrl->valid_rate_index[i+1];
- return TRUE;
+ for (i = 0; i < ath_rc_priv->max_valid_rate - 1; i++) {
+ if (ath_rc_priv->valid_rate_index[i] == cur_valid_txrate) {
+ *next_idx = ath_rc_priv->valid_rate_index[i+1];
+ return 1;
}
}
/* No more valid rates */
*next_idx = 0;
- return FALSE;
+
+ return 0;
}
/* Return true only for single stream */
static int ath_rc_valid_phyrate(u32 phy, u32 capflag, int ignore_cw)
{
- if (WLAN_RC_PHY_HT(phy) & !(capflag & WLAN_RC_HT_FLAG))
- return FALSE;
+ if (WLAN_RC_PHY_HT(phy) && !(capflag & WLAN_RC_HT_FLAG))
+ return 0;
if (WLAN_RC_PHY_DS(phy) && !(capflag & WLAN_RC_DS_FLAG))
- return FALSE;
+ return 0;
if (WLAN_RC_PHY_SGI(phy) && !(capflag & WLAN_RC_SGI_FLAG))
- return FALSE;
+ return 0;
if (!ignore_cw && WLAN_RC_PHY_HT(phy))
if (WLAN_RC_PHY_40(phy) && !(capflag & WLAN_RC_40_FLAG))
- return FALSE;
+ return 0;
if (!WLAN_RC_PHY_40(phy) && (capflag & WLAN_RC_40_FLAG))
- return FALSE;
- return TRUE;
+ return 0;
+ return 1;
}
static inline int
-ath_rc_get_nextlowervalid_txrate(const struct ath_rate_table *rate_table,
- struct ath_tx_ratectrl *rate_ctrl,
+ath_rc_get_nextlowervalid_txrate(struct ath_rate_table *rate_table,
+ struct ath_rate_priv *ath_rc_priv,
u8 cur_valid_txrate, u8 *next_idx)
{
int8_t i;
- for (i = 1; i < rate_ctrl->max_valid_rate ; i++) {
- if (rate_ctrl->valid_rate_index[i] == cur_valid_txrate) {
- *next_idx = rate_ctrl->valid_rate_index[i-1];
- return TRUE;
+ for (i = 1; i < ath_rc_priv->max_valid_rate ; i++) {
+ if (ath_rc_priv->valid_rate_index[i] == cur_valid_txrate) {
+ *next_idx = ath_rc_priv->valid_rate_index[i-1];
+ return 1;
}
}
- return FALSE;
+
+ return 0;
}
-/*
- * Initialize the Valid Rate Index from valid entries in Rate Table
- */
-static u8
-ath_rc_sib_init_validrates(struct ath_rate_node *ath_rc_priv,
- const struct ath_rate_table *rate_table,
- u32 capflag)
+static u8 ath_rc_init_validrates(struct ath_rate_priv *ath_rc_priv,
+ struct ath_rate_table *rate_table,
+ u32 capflag)
{
- struct ath_tx_ratectrl *rate_ctrl;
u8 i, hi = 0;
u32 valid;
- rate_ctrl = (struct ath_tx_ratectrl *)(ath_rc_priv);
for (i = 0; i < rate_table->rate_cnt; i++) {
valid = (ath_rc_priv->single_stream ?
rate_table->info[i].valid_single_stream :
rate_table->info[i].valid);
- if (valid == TRUE) {
+ if (valid == 1) {
u32 phy = rate_table->info[i].phy;
u8 valid_rate_count = 0;
- if (!ath_rc_valid_phyrate(phy, capflag, FALSE))
+ if (!ath_rc_valid_phyrate(phy, capflag, 0))
continue;
- valid_rate_count = rate_ctrl->valid_phy_ratecnt[phy];
+ valid_rate_count = ath_rc_priv->valid_phy_ratecnt[phy];
- rate_ctrl->valid_phy_rateidx[phy][valid_rate_count] = i;
- rate_ctrl->valid_phy_ratecnt[phy] += 1;
- ath_rc_set_valid_txmask(rate_ctrl, i, TRUE);
+ ath_rc_priv->valid_phy_rateidx[phy][valid_rate_count] = i;
+ ath_rc_priv->valid_phy_ratecnt[phy] += 1;
+ ath_rc_set_valid_txmask(ath_rc_priv, i, 1);
hi = A_MAX(hi, i);
}
}
+
return hi;
}
-/*
- * Initialize the Valid Rate Index from Rate Set
- */
-static u8
-ath_rc_sib_setvalid_rates(struct ath_rate_node *ath_rc_priv,
- const struct ath_rate_table *rate_table,
- struct ath_rateset *rateset,
- u32 capflag)
+static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv,
+ struct ath_rate_table *rate_table,
+ struct ath_rateset *rateset,
+ u32 capflag)
{
- /* XXX: Clean me up and make identation friendly */
u8 i, j, hi = 0;
- struct ath_tx_ratectrl *rate_ctrl =
- (struct ath_tx_ratectrl *)(ath_rc_priv);
/* Use intersection of working rates and valid rates */
for (i = 0; i < rateset->rs_nrates; i++) {
u32 valid = (ath_rc_priv->single_stream ?
rate_table->info[j].valid_single_stream :
rate_table->info[j].valid);
+ u8 rate = rateset->rs_rates[i];
+ u8 dot11rate = rate_table->info[j].dot11rate;
/* We allow a rate only if its valid and the
* capflag matches one of the validity
- * (TRUE/TRUE_20/TRUE_40) flags */
-
- /* XXX: catch the negative of this branch
- * first and then continue */
- if (((rateset->rs_rates[i] & 0x7F) ==
- (rate_table->info[j].dot11rate & 0x7F)) &&
- ((valid & WLAN_RC_CAP_MODE(capflag)) ==
- WLAN_RC_CAP_MODE(capflag)) &&
- !WLAN_RC_PHY_HT(phy)) {
+ * (VALID/VALID_20/VALID_40) flags */
+ if (((rate & 0x7F) == (dot11rate & 0x7F)) &&
+ ((valid & WLAN_RC_CAP_MODE(capflag)) ==
+ WLAN_RC_CAP_MODE(capflag)) &&
+ !WLAN_RC_PHY_HT(phy)) {
u8 valid_rate_count = 0;
- if (!ath_rc_valid_phyrate(phy, capflag, FALSE))
+ if (!ath_rc_valid_phyrate(phy, capflag, 0))
continue;
valid_rate_count =
- rate_ctrl->valid_phy_ratecnt[phy];
+ ath_rc_priv->valid_phy_ratecnt[phy];
- rate_ctrl->valid_phy_rateidx[phy]
+ ath_rc_priv->valid_phy_rateidx[phy]
[valid_rate_count] = j;
- rate_ctrl->valid_phy_ratecnt[phy] += 1;
- ath_rc_set_valid_txmask(rate_ctrl, j, TRUE);
+ ath_rc_priv->valid_phy_ratecnt[phy] += 1;
+ ath_rc_set_valid_txmask(ath_rc_priv, j, 1);
hi = A_MAX(hi, j);
}
}
}
+
return hi;
}
-static u8
-ath_rc_sib_setvalid_htrates(struct ath_rate_node *ath_rc_priv,
- const struct ath_rate_table *rate_table,
- u8 *mcs_set, u32 capflag)
+static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv,
+ struct ath_rate_table *rate_table,
+ u8 *mcs_set, u32 capflag)
{
+ struct ath_rateset *rateset = (struct ath_rateset *)mcs_set;
+
u8 i, j, hi = 0;
- struct ath_tx_ratectrl *rate_ctrl =
- (struct ath_tx_ratectrl *)(ath_rc_priv);
/* Use intersection of working rates and valid rates */
- for (i = 0; i < ((struct ath_rateset *)mcs_set)->rs_nrates; i++) {
+ for (i = 0; i < rateset->rs_nrates; i++) {
for (j = 0; j < rate_table->rate_cnt; j++) {
u32 phy = rate_table->info[j].phy;
u32 valid = (ath_rc_priv->single_stream ?
rate_table->info[j].valid_single_stream :
rate_table->info[j].valid);
+ u8 rate = rateset->rs_rates[i];
+ u8 dot11rate = rate_table->info[j].dot11rate;
- if (((((struct ath_rateset *)
- mcs_set)->rs_rates[i] & 0x7F) !=
- (rate_table->info[j].dot11rate & 0x7F)) ||
+ if (((rate & 0x7F) != (dot11rate & 0x7F)) ||
!WLAN_RC_PHY_HT(phy) ||
!WLAN_RC_PHY_HT_VALID(valid, capflag))
continue;
- if (!ath_rc_valid_phyrate(phy, capflag, FALSE))
+ if (!ath_rc_valid_phyrate(phy, capflag, 0))
continue;
- rate_ctrl->valid_phy_rateidx[phy]
- [rate_ctrl->valid_phy_ratecnt[phy]] = j;
- rate_ctrl->valid_phy_ratecnt[phy] += 1;
- ath_rc_set_valid_txmask(rate_ctrl, j, TRUE);
+ ath_rc_priv->valid_phy_rateidx[phy]
+ [ath_rc_priv->valid_phy_ratecnt[phy]] = j;
+ ath_rc_priv->valid_phy_ratecnt[phy] += 1;
+ ath_rc_set_valid_txmask(ath_rc_priv, j, 1);
hi = A_MAX(hi, j);
}
}
- return hi;
-}
-
-/*
- * Attach to a device instance. Setup the public definition
- * of how much per-node space we need and setup the private
- * phy tables that have rate control parameters.
- */
-struct ath_rate_softc *ath_rate_attach(struct ath_hal *ah)
-{
- struct ath_rate_softc *asc;
-
- /* we are only in user context so we can sleep for memory */
- asc = kzalloc(sizeof(struct ath_rate_softc), GFP_KERNEL);
- if (asc == NULL)
- return NULL;
-
- ar5416_attach_ratetables(asc);
-
- /* Save Maximum TX Trigger Level (used for 11n) */
- tx_triglevel_max = ah->ah_caps.tx_triglevel_max;
- /* return alias for ath_rate_softc * */
- return asc;
-}
-
-static struct ath_rate_node *ath_rate_node_alloc(struct ath_vap *avp,
- struct ath_rate_softc *rsc,
- gfp_t gfp)
-{
- struct ath_rate_node *anode;
-
- anode = kzalloc(sizeof(struct ath_rate_node), gfp);
- if (anode == NULL)
- return NULL;
-
- anode->avp = avp;
- anode->asc = rsc;
- avp->rc_node = anode;
-
- return anode;
-}
-
-static void ath_rate_node_free(struct ath_rate_node *anode)
-{
- if (anode != NULL)
- kfree(anode);
-}
-
-void ath_rate_detach(struct ath_rate_softc *asc)
-{
- if (asc != NULL)
- kfree(asc);
-}
-
-u8 ath_rate_findrateix(struct ath_softc *sc,
- u8 dot11rate)
-{
- const struct ath_rate_table *ratetable;
- struct ath_rate_softc *rsc = sc->sc_rc;
- int i;
-
- ratetable = rsc->hw_rate_table[sc->sc_curmode];
-
- if (WARN_ON(!ratetable))
- return 0;
-
- for (i = 0; i < ratetable->rate_cnt; i++) {
- if ((ratetable->info[i].dot11rate & 0x7f) == (dot11rate & 0x7f))
- return i;
- }
- return 0;
-}
-
-/*
- * Update rate-control state on a device state change. When
- * operating as a station this includes associate/reassociate
- * with an AP. Otherwise this gets called, for example, when
- * the we transition to run state when operating as an AP.
- */
-void ath_rate_newstate(struct ath_softc *sc, struct ath_vap *avp)
-{
- struct ath_rate_softc *asc = sc->sc_rc;
-
- /* For half and quarter rate channles use different
- * rate tables
- */
- if (sc->sc_ah->ah_curchan->channelFlags & CHANNEL_HALF)
- ar5416_sethalf_ratetable(asc);
- else if (sc->sc_ah->ah_curchan->channelFlags & CHANNEL_QUARTER)
- ar5416_setquarter_ratetable(asc);
- else /* full rate */
- ar5416_setfull_ratetable(asc);
-
- if (avp->av_config.av_fixed_rateset != IEEE80211_FIXED_RATE_NONE) {
- asc->fixedrix =
- sc->sc_rixmap[avp->av_config.av_fixed_rateset & 0xff];
- /* NB: check the fixed rate exists */
- if (asc->fixedrix == 0xff)
- asc->fixedrix = IEEE80211_FIXED_RATE_NONE;
- } else {
- asc->fixedrix = IEEE80211_FIXED_RATE_NONE;
- }
+ return hi;
}
static u8 ath_rc_ratefind_ht(struct ath_softc *sc,
- struct ath_rate_node *ath_rc_priv,
- const struct ath_rate_table *rate_table,
+ struct ath_rate_priv *ath_rc_priv,
+ struct ath_rate_table *rate_table,
int probe_allowed, int *is_probing,
int is_retry)
{
u32 dt, best_thruput, this_thruput, now_msec;
u8 rate, next_rate, best_rate, maxindex, minindex;
int8_t rssi_last, rssi_reduce = 0, index = 0;
- struct ath_tx_ratectrl *rate_ctrl = NULL;
-
- rate_ctrl = (struct ath_tx_ratectrl *)(ath_rc_priv ?
- (ath_rc_priv) : NULL);
- *is_probing = FALSE;
+ *is_probing = 0;
- rssi_last = median(rate_ctrl->rssi_last,
- rate_ctrl->rssi_last_prev,
- rate_ctrl->rssi_last_prev2);
+ rssi_last = median(ath_rc_priv->rssi_last,
+ ath_rc_priv->rssi_last_prev,
+ ath_rc_priv->rssi_last_prev2);
/*
* Age (reduce) last ack rssi based on how old it is.
*/
now_msec = jiffies_to_msecs(jiffies);
- dt = now_msec - rate_ctrl->rssi_time;
+ dt = now_msec - ath_rc_priv->rssi_time;
if (dt >= 185)
rssi_reduce = 10;
*/
best_thruput = 0;
- maxindex = rate_ctrl->max_valid_rate-1;
+ maxindex = ath_rc_priv->max_valid_rate-1;
minindex = 0;
best_rate = minindex;
for (index = maxindex; index >= minindex ; index--) {
u8 per_thres;
- rate = rate_ctrl->valid_rate_index[index];
- if (rate > rate_ctrl->rate_max_phy)
+ rate = ath_rc_priv->valid_rate_index[index];
+ if (rate > ath_rc_priv->rate_max_phy)
continue;
/*
* 10-15 and we would be worse off then staying
* at the current rate.
*/
- per_thres = rate_ctrl->state[rate].per;
+ per_thres = ath_rc_priv->state[rate].per;
if (per_thres < 12)
per_thres = 12;
* of max retries, use the min rate for the next retry
*/
if (is_retry)
- rate = rate_ctrl->valid_rate_index[minindex];
+ rate = ath_rc_priv->valid_rate_index[minindex];
- rate_ctrl->rssi_last_lookup = rssi_last;
+ ath_rc_priv->rssi_last_lookup = rssi_last;
/*
* Must check the actual rate (ratekbps) to account for
* non-monoticity of 11g's rate table
*/
- if (rate >= rate_ctrl->rate_max_phy && probe_allowed) {
- rate = rate_ctrl->rate_max_phy;
+ if (rate >= ath_rc_priv->rate_max_phy && probe_allowed) {
+ rate = ath_rc_priv->rate_max_phy;
/* Probe the next allowed phy state */
/* FIXME:XXXX Check to make sure ratMax is checked properly */
if (ath_rc_get_nextvalid_txrate(rate_table,
- rate_ctrl, rate, &next_rate) &&
- (now_msec - rate_ctrl->probe_time >
+ ath_rc_priv, rate, &next_rate) &&
+ (now_msec - ath_rc_priv->probe_time >
rate_table->probe_interval) &&
- (rate_ctrl->hw_maxretry_pktcnt >= 1)) {
+ (ath_rc_priv->hw_maxretry_pktcnt >= 1)) {
rate = next_rate;
- rate_ctrl->probe_rate = rate;
- rate_ctrl->probe_time = now_msec;
- rate_ctrl->hw_maxretry_pktcnt = 0;
- *is_probing = TRUE;
+ ath_rc_priv->probe_rate = rate;
+ ath_rc_priv->probe_time = now_msec;
+ ath_rc_priv->hw_maxretry_pktcnt = 0;
+ *is_probing = 1;
}
}
- /*
- * Make sure rate is not higher than the allowed maximum.
- * We should also enforce the min, but I suspect the min is
- * normally 1 rather than 0 because of the rate 9 vs 6 issue
- * in the old code.
- */
- if (rate > (rate_ctrl->rate_table_size - 1))
- rate = rate_ctrl->rate_table_size - 1;
+ if (rate > (ath_rc_priv->rate_table_size - 1))
+ rate = ath_rc_priv->rate_table_size - 1;
ASSERT((rate_table->info[rate].valid && !ath_rc_priv->single_stream) ||
(rate_table->info[rate].valid_single_stream &&
return rate;
}
-static void ath_rc_rate_set_series(const struct ath_rate_table *rate_table ,
- struct ath_rc_series *series,
- u8 tries,
- u8 rix,
- int rtsctsenable)
+static void ath_rc_rate_set_series(struct ath_rate_table *rate_table ,
+ struct ieee80211_tx_rate *rate,
+ u8 tries, u8 rix, int rtsctsenable)
{
- series->tries = tries;
- series->flags = (rtsctsenable ? ATH_RC_RTSCTS_FLAG : 0) |
- (WLAN_RC_PHY_DS(rate_table->info[rix].phy) ?
- ATH_RC_DS_FLAG : 0) |
- (WLAN_RC_PHY_40(rate_table->info[rix].phy) ?
- ATH_RC_CW40_FLAG : 0) |
- (WLAN_RC_PHY_SGI(rate_table->info[rix].phy) ?
- ATH_RC_SGI_FLAG : 0);
-
- series->rix = rate_table->info[rix].base_index;
- series->max_4ms_framelen = rate_table->info[rix].max_4ms_framelen;
+ rate->count = tries;
+ rate->idx = rix;
+
+ if (rtsctsenable)
+ rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS;
+ if (WLAN_RC_PHY_40(rate_table->info[rix].phy))
+ rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
+ if (WLAN_RC_PHY_SGI(rate_table->info[rix].phy))
+ rate->flags |= IEEE80211_TX_RC_SHORT_GI;
+ if (WLAN_RC_PHY_HT(rate_table->info[rix].phy))
+ rate->flags |= IEEE80211_TX_RC_MCS;
}
static u8 ath_rc_rate_getidx(struct ath_softc *sc,
- struct ath_rate_node *ath_rc_priv,
- const struct ath_rate_table *rate_table,
+ struct ath_rate_priv *ath_rc_priv,
+ struct ath_rate_table *rate_table,
u8 rix, u16 stepdown,
u16 min_rate)
{
u32 j;
u8 nextindex;
- struct ath_tx_ratectrl *rate_ctrl =
- (struct ath_tx_ratectrl *)(ath_rc_priv);
if (min_rate) {
for (j = RATE_TABLE_SIZE; j > 0; j--) {
if (ath_rc_get_nextlowervalid_txrate(rate_table,
- rate_ctrl, rix, &nextindex))
+ ath_rc_priv, rix, &nextindex))
rix = nextindex;
else
break;
} else {
for (j = stepdown; j > 0; j--) {
if (ath_rc_get_nextlowervalid_txrate(rate_table,
- rate_ctrl, rix, &nextindex))
+ ath_rc_priv, rix, &nextindex))
rix = nextindex;
else
break;
}
static void ath_rc_ratefind(struct ath_softc *sc,
- struct ath_rate_node *ath_rc_priv,
- int num_tries, int num_rates, unsigned int rcflag,
- struct ath_rc_series series[], int *is_probe,
+ struct ath_rate_priv *ath_rc_priv,
+ int num_tries, int num_rates,
+ struct ieee80211_tx_info *tx_info, int *is_probe,
int is_retry)
{
u8 try_per_rate = 0, i = 0, rix, nrix;
- struct ath_rate_softc *asc = (struct ath_rate_softc *)sc->sc_rc;
struct ath_rate_table *rate_table;
+ struct ieee80211_tx_rate *rates = tx_info->control.rates;
- rate_table =
- (struct ath_rate_table *)asc->hw_rate_table[sc->sc_curmode];
- rix = ath_rc_ratefind_ht(sc, ath_rc_priv, rate_table,
- (rcflag & ATH_RC_PROBE_ALLOWED) ? 1 : 0,
+ rate_table = sc->cur_rate_table;
+ rix = ath_rc_ratefind_ht(sc, ath_rc_priv, rate_table, 1,
is_probe, is_retry);
nrix = rix;
- if ((rcflag & ATH_RC_PROBE_ALLOWED) && (*is_probe)) {
+ if (*is_probe) {
/* set one try for probe rates. For the
* probes don't enable rts */
ath_rc_rate_set_series(rate_table,
- &series[i++], 1, nrix, FALSE);
+ &rates[i++], 1, nrix, 0);
try_per_rate = (num_tries/num_rates);
/* Get the next tried/allowed rate. No RTS for the next series
* after the probe rate
*/
nrix = ath_rc_rate_getidx(sc,
- ath_rc_priv, rate_table, nrix, 1, FALSE);
+ ath_rc_priv, rate_table, nrix, 1, 0);
ath_rc_rate_set_series(rate_table,
- &series[i++], try_per_rate, nrix, 0);
+ &rates[i++], try_per_rate, nrix, 0);
} else {
try_per_rate = (num_tries/num_rates);
/* Set the choosen rate. No RTS for first series entry. */
ath_rc_rate_set_series(rate_table,
- &series[i++], try_per_rate, nrix, FALSE);
+ &rates[i++], try_per_rate, nrix, 0);
}
/* Fill in the other rates for multirate retry */
try_num = ((i + 1) == num_rates) ?
num_tries - (try_per_rate * i) : try_per_rate ;
- min_rate = (((i + 1) == num_rates) &&
- (rcflag & ATH_RC_MINRATE_LASTRATE)) ? 1 : 0;
+ min_rate = (((i + 1) == num_rates) && 0);
nrix = ath_rc_rate_getidx(sc, ath_rc_priv,
rate_table, nrix, 1, min_rate);
/* All other rates in the series have RTS enabled */
ath_rc_rate_set_series(rate_table,
- &series[i], try_num, nrix, TRUE);
+ &rates[i], try_num, nrix, 1);
}
/*
* So, set fourth rate in series to be same as third one for
* above conditions.
*/
- if ((sc->sc_curmode == ATH9K_MODE_11NG_HT20) ||
- (sc->sc_curmode == ATH9K_MODE_11NG_HT40PLUS) ||
- (sc->sc_curmode == ATH9K_MODE_11NG_HT40MINUS)) {
- u8 dot11rate = rate_table->info[rix].dot11rate;
+ if ((sc->hw->conf.channel->band == IEEE80211_BAND_2GHZ) &&
+ (sc->hw->conf.ht.enabled)) {
+ u8 dot11rate = rate_table->info[rix].dot11rate;
u8 phy = rate_table->info[rix].phy;
if (i == 4 &&
((dot11rate == 2 && phy == WLAN_RC_PHY_HT_40_SS) ||
(dot11rate == 3 && phy == WLAN_RC_PHY_HT_20_SS))) {
- series[3].rix = series[2].rix;
- series[3].flags = series[2].flags;
- series[3].max_4ms_framelen = series[2].max_4ms_framelen;
- }
- }
-}
-
-/*
- * Return the Tx rate series.
- */
-static void ath_rate_findrate(struct ath_softc *sc,
- struct ath_rate_node *ath_rc_priv,
- int num_tries,
- int num_rates,
- unsigned int rcflag,
- struct ath_rc_series series[],
- int *is_probe,
- int is_retry)
-{
- struct ath_vap *avp = ath_rc_priv->avp;
-
- DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
-
- if (!num_rates || !num_tries)
- return;
-
- if (avp->av_config.av_fixed_rateset == IEEE80211_FIXED_RATE_NONE) {
- ath_rc_ratefind(sc, ath_rc_priv, num_tries, num_rates,
- rcflag, series, is_probe, is_retry);
- } else {
- /* Fixed rate */
- int idx;
- u8 flags;
- u32 rix;
- struct ath_rate_softc *asc = ath_rc_priv->asc;
- struct ath_rate_table *rate_table;
-
- rate_table = (struct ath_rate_table *)
- asc->hw_rate_table[sc->sc_curmode];
-
- for (idx = 0; idx < 4; idx++) {
- unsigned int mcs;
- u8 series_rix = 0;
-
- series[idx].tries = IEEE80211_RATE_IDX_ENTRY(
- avp->av_config.av_fixed_retryset, idx);
-
- mcs = IEEE80211_RATE_IDX_ENTRY(
- avp->av_config.av_fixed_rateset, idx);
-
- if (idx == 3 && (mcs & 0xf0) == 0x70)
- mcs = (mcs & ~0xf0)|0x80;
-
- if (!(mcs & 0x80))
- flags = 0;
- else
- flags = ((ath_rc_priv->ht_cap &
- WLAN_RC_DS_FLAG) ?
- ATH_RC_DS_FLAG : 0) |
- ((ath_rc_priv->ht_cap &
- WLAN_RC_40_FLAG) ?
- ATH_RC_CW40_FLAG : 0) |
- ((ath_rc_priv->ht_cap &
- WLAN_RC_SGI_FLAG) ?
- ((ath_rc_priv->ht_cap &
- WLAN_RC_40_FLAG) ?
- ATH_RC_SGI_FLAG : 0) : 0);
-
- series[idx].rix = sc->sc_rixmap[mcs];
- series_rix = series[idx].rix;
-
- /* XXX: Give me some cleanup love */
- if ((flags & ATH_RC_CW40_FLAG) &&
- (flags & ATH_RC_SGI_FLAG))
- rix = rate_table->info[series_rix].ht_index;
- else if (flags & ATH_RC_SGI_FLAG)
- rix = rate_table->info[series_rix].sgi_index;
- else if (flags & ATH_RC_CW40_FLAG)
- rix = rate_table->info[series_rix].cw40index;
- else
- rix = rate_table->info[series_rix].base_index;
- series[idx].max_4ms_framelen =
- rate_table->info[rix].max_4ms_framelen;
- series[idx].flags = flags;
+ rates[3].idx = rates[2].idx;
+ rates[3].flags = rates[2].flags;
}
}
}
-static void ath_rc_update_ht(struct ath_softc *sc,
- struct ath_rate_node *ath_rc_priv,
- struct ath_tx_info_priv *info_priv,
- int tx_rate, int xretries, int retries)
+static bool ath_rc_update_per(struct ath_softc *sc,
+ struct ath_rate_table *rate_table,
+ struct ath_rate_priv *ath_rc_priv,
+ struct ath_tx_info_priv *tx_info_priv,
+ int tx_rate, int xretries, int retries,
+ u32 now_msec)
{
- struct ath_tx_ratectrl *rate_ctrl;
- u32 now_msec = jiffies_to_msecs(jiffies);
- int state_change = FALSE, rate, count;
+ bool state_change = false;
+ int count;
u8 last_per;
- struct ath_rate_softc *asc = (struct ath_rate_softc *)sc->sc_rc;
- struct ath_rate_table *rate_table =
- (struct ath_rate_table *)asc->hw_rate_table[sc->sc_curmode];
-
static u32 nretry_to_per_lookup[10] = {
100 * 0 / 1,
100 * 1 / 4,
100 * 9 / 10
};
- if (!ath_rc_priv)
- return;
-
- rate_ctrl = (struct ath_tx_ratectrl *)(ath_rc_priv);
-
- ASSERT(tx_rate >= 0);
- if (tx_rate < 0)
- return;
-
- /* To compensate for some imbalance between ctrl and ext. channel */
-
- if (WLAN_RC_PHY_40(rate_table->info[tx_rate].phy))
- info_priv->tx.ts_rssi =
- info_priv->tx.ts_rssi < 3 ? 0 :
- info_priv->tx.ts_rssi - 3;
-
- last_per = rate_ctrl->state[tx_rate].per;
+ last_per = ath_rc_priv->state[tx_rate].per;
if (xretries) {
- /* Update the PER. */
if (xretries == 1) {
- rate_ctrl->state[tx_rate].per += 30;
- if (rate_ctrl->state[tx_rate].per > 100)
- rate_ctrl->state[tx_rate].per = 100;
+ ath_rc_priv->state[tx_rate].per += 30;
+ if (ath_rc_priv->state[tx_rate].per > 100)
+ ath_rc_priv->state[tx_rate].per = 100;
} else {
/* xretries == 2 */
- count = sizeof(nretry_to_per_lookup) /
- sizeof(nretry_to_per_lookup[0]);
+ count = ARRAY_SIZE(nretry_to_per_lookup);
if (retries >= count)
retries = count - 1;
+
/* new_PER = 7/8*old_PER + 1/8*(currentPER) */
- rate_ctrl->state[tx_rate].per =
- (u8)(rate_ctrl->state[tx_rate].per -
- (rate_ctrl->state[tx_rate].per >> 3) +
- ((100) >> 3));
+ ath_rc_priv->state[tx_rate].per =
+ (u8)(last_per - (last_per >> 3) + (100 >> 3));
}
/* xretries == 1 or 2 */
- if (rate_ctrl->probe_rate == tx_rate)
- rate_ctrl->probe_rate = 0;
+ if (ath_rc_priv->probe_rate == tx_rate)
+ ath_rc_priv->probe_rate = 0;
- } else { /* xretries == 0 */
- /* Update the PER. */
- /* Make sure it doesn't index out of array's bounds. */
- count = sizeof(nretry_to_per_lookup) /
- sizeof(nretry_to_per_lookup[0]);
+ } else { /* xretries == 0 */
+ count = ARRAY_SIZE(nretry_to_per_lookup);
if (retries >= count)
retries = count - 1;
- if (info_priv->n_bad_frames) {
+
+ if (tx_info_priv->n_bad_frames) {
/* new_PER = 7/8*old_PER + 1/8*(currentPER)
* Assuming that n_frames is not 0. The current PER
* from the retries is 100 * retries / (retries+1),
* the above PER. The expression below is a
* simplified version of the sum of these two terms.
*/
- if (info_priv->n_frames > 0)
- rate_ctrl->state[tx_rate].per
- = (u8)
- (rate_ctrl->state[tx_rate].per -
- (rate_ctrl->state[tx_rate].per >> 3) +
- ((100*(retries*info_priv->n_frames +
- info_priv->n_bad_frames) /
- (info_priv->n_frames *
- (retries+1))) >> 3));
+ if (tx_info_priv->n_frames > 0) {
+ int n_frames, n_bad_frames;
+ u8 cur_per, new_per;
+
+ n_bad_frames = retries * tx_info_priv->n_frames +
+ tx_info_priv->n_bad_frames;
+ n_frames = tx_info_priv->n_frames * (retries + 1);
+ cur_per = (100 * n_bad_frames / n_frames) >> 3;
+ new_per = (u8)(last_per - (last_per >> 3) + cur_per);
+ ath_rc_priv->state[tx_rate].per = new_per;
+ }
} else {
- /* new_PER = 7/8*old_PER + 1/8*(currentPER) */
-
- rate_ctrl->state[tx_rate].per = (u8)
- (rate_ctrl->state[tx_rate].per -
- (rate_ctrl->state[tx_rate].per >> 3) +
- (nretry_to_per_lookup[retries] >> 3));
+ ath_rc_priv->state[tx_rate].per =
+ (u8)(last_per - (last_per >> 3) +
+ (nretry_to_per_lookup[retries] >> 3));
}
- rate_ctrl->rssi_last_prev2 = rate_ctrl->rssi_last_prev;
- rate_ctrl->rssi_last_prev = rate_ctrl->rssi_last;
- rate_ctrl->rssi_last = info_priv->tx.ts_rssi;
- rate_ctrl->rssi_time = now_msec;
+ ath_rc_priv->rssi_last_prev2 = ath_rc_priv->rssi_last_prev;
+ ath_rc_priv->rssi_last_prev = ath_rc_priv->rssi_last;
+ ath_rc_priv->rssi_last = tx_info_priv->tx.ts_rssi;
+ ath_rc_priv->rssi_time = now_msec;
/*
* If we got at most one retry then increase the max rate if
* this was a probe. Otherwise, ignore the probe.
*/
-
- if (rate_ctrl->probe_rate && rate_ctrl->probe_rate == tx_rate) {
- if (retries > 0 || 2 * info_priv->n_bad_frames >
- info_priv->n_frames) {
+ if (ath_rc_priv->probe_rate && ath_rc_priv->probe_rate == tx_rate) {
+ if (retries > 0 || 2 * tx_info_priv->n_bad_frames >
+ tx_info_priv->n_frames) {
/*
* Since we probed with just a single attempt,
* any retries means the probe failed. Also,
* the subframes were bad then also consider
* the probe a failure.
*/
- rate_ctrl->probe_rate = 0;
+ ath_rc_priv->probe_rate = 0;
} else {
u8 probe_rate = 0;
- rate_ctrl->rate_max_phy = rate_ctrl->probe_rate;
- probe_rate = rate_ctrl->probe_rate;
+ ath_rc_priv->rate_max_phy =
+ ath_rc_priv->probe_rate;
+ probe_rate = ath_rc_priv->probe_rate;
- if (rate_ctrl->state[probe_rate].per > 30)
- rate_ctrl->state[probe_rate].per = 20;
+ if (ath_rc_priv->state[probe_rate].per > 30)
+ ath_rc_priv->state[probe_rate].per = 20;
- rate_ctrl->probe_rate = 0;
+ ath_rc_priv->probe_rate = 0;
/*
* Since this probe succeeded, we allow the next
* to move up faster if the probes are
* succesful.
*/
- rate_ctrl->probe_time = now_msec -
- rate_table->probe_interval / 2;
+ ath_rc_priv->probe_time =
+ now_msec - rate_table->probe_interval / 2;
}
}
* this was because of collisions or poor signal.
*
* Later: if rssi_ack is close to
- * rate_ctrl->state[txRate].rssi_thres and we see lots
+ * ath_rc_priv->state[txRate].rssi_thres and we see lots
* of retries, then we could increase
- * rate_ctrl->state[txRate].rssi_thres.
+ * ath_rc_priv->state[txRate].rssi_thres.
*/
- rate_ctrl->hw_maxretry_pktcnt = 0;
+ ath_rc_priv->hw_maxretry_pktcnt = 0;
} else {
+ int32_t rssi_ackAvg;
+ int8_t rssi_thres;
+ int8_t rssi_ack_vmin;
+
/*
* It worked with no retries. First ignore bogus (small)
* rssi_ack values.
*/
- if (tx_rate == rate_ctrl->rate_max_phy &&
- rate_ctrl->hw_maxretry_pktcnt < 255) {
- rate_ctrl->hw_maxretry_pktcnt++;
+ if (tx_rate == ath_rc_priv->rate_max_phy &&
+ ath_rc_priv->hw_maxretry_pktcnt < 255) {
+ ath_rc_priv->hw_maxretry_pktcnt++;
}
- if (info_priv->tx.ts_rssi >=
- rate_table->info[tx_rate].rssi_ack_validmin) {
- /* Average the rssi */
- if (tx_rate != rate_ctrl->rssi_sum_rate) {
- rate_ctrl->rssi_sum_rate = tx_rate;
- rate_ctrl->rssi_sum =
- rate_ctrl->rssi_sum_cnt = 0;
- }
+ if (tx_info_priv->tx.ts_rssi <
+ rate_table->info[tx_rate].rssi_ack_validmin)
+ goto exit;
- rate_ctrl->rssi_sum += info_priv->tx.ts_rssi;
- rate_ctrl->rssi_sum_cnt++;
-
- if (rate_ctrl->rssi_sum_cnt > 4) {
- int32_t rssi_ackAvg =
- (rate_ctrl->rssi_sum + 2) / 4;
- int8_t rssi_thres =
- rate_ctrl->state[tx_rate].
- rssi_thres;
- int8_t rssi_ack_vmin =
- rate_table->info[tx_rate].
- rssi_ack_validmin;
-
- rate_ctrl->rssi_sum =
- rate_ctrl->rssi_sum_cnt = 0;
-
- /* Now reduce the current
- * rssi threshold. */
- if ((rssi_ackAvg < rssi_thres + 2) &&
- (rssi_thres > rssi_ack_vmin)) {
- rate_ctrl->state[tx_rate].
- rssi_thres--;
- }
-
- state_change = TRUE;
- }
+ /* Average the rssi */
+ if (tx_rate != ath_rc_priv->rssi_sum_rate) {
+ ath_rc_priv->rssi_sum_rate = tx_rate;
+ ath_rc_priv->rssi_sum =
+ ath_rc_priv->rssi_sum_cnt = 0;
}
+
+ ath_rc_priv->rssi_sum += tx_info_priv->tx.ts_rssi;
+ ath_rc_priv->rssi_sum_cnt++;
+
+ if (ath_rc_priv->rssi_sum_cnt < 4)
+ goto exit;
+
+ rssi_ackAvg =
+ (ath_rc_priv->rssi_sum + 2) / 4;
+ rssi_thres =
+ ath_rc_priv->state[tx_rate].rssi_thres;
+ rssi_ack_vmin =
+ rate_table->info[tx_rate].rssi_ack_validmin;
+
+ ath_rc_priv->rssi_sum =
+ ath_rc_priv->rssi_sum_cnt = 0;
+
+ /* Now reduce the current rssi threshold */
+ if ((rssi_ackAvg < rssi_thres + 2) &&
+ (rssi_thres > rssi_ack_vmin)) {
+ ath_rc_priv->state[tx_rate].rssi_thres--;
+ }
+
+ state_change = true;
}
}
+exit:
+ return state_change;
+}
+
+/* Update PER, RSSI and whatever else that the code thinks it is doing.
+ If you can make sense of all this, you really need to go out more. */
+
+static void ath_rc_update_ht(struct ath_softc *sc,
+ struct ath_rate_priv *ath_rc_priv,
+ struct ath_tx_info_priv *tx_info_priv,
+ int tx_rate, int xretries, int retries)
+{
+#define CHK_RSSI(rate) \
+ ((ath_rc_priv->state[(rate)].rssi_thres + \
+ rate_table->info[(rate)].rssi_ack_deltamin) > \
+ ath_rc_priv->state[(rate)+1].rssi_thres)
- /* For all cases */
+ u32 now_msec = jiffies_to_msecs(jiffies);
+ int rate;
+ u8 last_per;
+ bool state_change = false;
+ struct ath_rate_table *rate_table = sc->cur_rate_table;
+ int size = ath_rc_priv->rate_table_size;
+
+ if ((tx_rate < 0) || (tx_rate > rate_table->rate_cnt))
+ return;
+
+ /* To compensate for some imbalance between ctrl and ext. channel */
+
+ if (WLAN_RC_PHY_40(rate_table->info[tx_rate].phy))
+ tx_info_priv->tx.ts_rssi =
+ tx_info_priv->tx.ts_rssi < 3 ? 0 :
+ tx_info_priv->tx.ts_rssi - 3;
+
+ last_per = ath_rc_priv->state[tx_rate].per;
+
+ /* Update PER first */
+ state_change = ath_rc_update_per(sc, rate_table, ath_rc_priv,
+ tx_info_priv, tx_rate, xretries,
+ retries, now_msec);
/*
* If this rate looks bad (high PER) then stop using it for
* a while (except if we are probing).
*/
- if (rate_ctrl->state[tx_rate].per >= 55 && tx_rate > 0 &&
+ if (ath_rc_priv->state[tx_rate].per >= 55 && tx_rate > 0 &&
rate_table->info[tx_rate].ratekbps <=
- rate_table->info[rate_ctrl->rate_max_phy].ratekbps) {
- ath_rc_get_nextlowervalid_txrate(rate_table, rate_ctrl,
- (u8) tx_rate, &rate_ctrl->rate_max_phy);
+ rate_table->info[ath_rc_priv->rate_max_phy].ratekbps) {
+ ath_rc_get_nextlowervalid_txrate(rate_table, ath_rc_priv,
+ (u8)tx_rate, &ath_rc_priv->rate_max_phy);
/* Don't probe for a little while. */
- rate_ctrl->probe_time = now_msec;
+ ath_rc_priv->probe_time = now_msec;
}
if (state_change) {
* made to keep the rssi thresholds monotonically
* increasing between the CCK and OFDM rates.)
*/
- for (rate = tx_rate; rate <
- rate_ctrl->rate_table_size - 1; rate++) {
+ for (rate = tx_rate; rate < size - 1; rate++) {
if (rate_table->info[rate+1].phy !=
- rate_table->info[tx_rate].phy)
+ rate_table->info[tx_rate].phy)
break;
- if (rate_ctrl->state[rate].rssi_thres +
- rate_table->info[rate].rssi_ack_deltamin >
- rate_ctrl->state[rate+1].rssi_thres) {
- rate_ctrl->state[rate+1].rssi_thres =
- rate_ctrl->state[rate].
- rssi_thres +
- rate_table->info[rate].
- rssi_ack_deltamin;
+ if (CHK_RSSI(rate)) {
+ ath_rc_priv->state[rate+1].rssi_thres =
+ ath_rc_priv->state[rate].rssi_thres +
+ rate_table->info[rate].rssi_ack_deltamin;
}
}
rate_table->info[tx_rate].phy)
break;
- if (rate_ctrl->state[rate].rssi_thres +
- rate_table->info[rate].rssi_ack_deltamin >
- rate_ctrl->state[rate+1].rssi_thres) {
- if (rate_ctrl->state[rate+1].rssi_thres <
- rate_table->info[rate].
- rssi_ack_deltamin)
- rate_ctrl->state[rate].rssi_thres = 0;
+ if (CHK_RSSI(rate)) {
+ if (ath_rc_priv->state[rate+1].rssi_thres <
+ rate_table->info[rate].rssi_ack_deltamin)
+ ath_rc_priv->state[rate].rssi_thres = 0;
else {
- rate_ctrl->state[rate].rssi_thres =
- rate_ctrl->state[rate+1].
- rssi_thres -
- rate_table->info[rate].
- rssi_ack_deltamin;
+ ath_rc_priv->state[rate].rssi_thres =
+ ath_rc_priv->state[rate+1].rssi_thres -
+ rate_table->info[rate].rssi_ack_deltamin;
}
- if (rate_ctrl->state[rate].rssi_thres <
- rate_table->info[rate].
- rssi_ack_validmin) {
- rate_ctrl->state[rate].rssi_thres =
- rate_table->info[rate].
- rssi_ack_validmin;
+ if (ath_rc_priv->state[rate].rssi_thres <
+ rate_table->info[rate].rssi_ack_validmin) {
+ ath_rc_priv->state[rate].rssi_thres =
+ rate_table->info[rate].rssi_ack_validmin;
}
}
}
/* Make sure the rates below this have lower PER */
/* Monotonicity is kept only for rates below the current rate. */
- if (rate_ctrl->state[tx_rate].per < last_per) {
+ if (ath_rc_priv->state[tx_rate].per < last_per) {
for (rate = tx_rate - 1; rate >= 0; rate--) {
if (rate_table->info[rate].phy !=
rate_table->info[tx_rate].phy)
break;
- if (rate_ctrl->state[rate].per >
- rate_ctrl->state[rate+1].per) {
- rate_ctrl->state[rate].per =
- rate_ctrl->state[rate+1].per;
+ if (ath_rc_priv->state[rate].per >
+ ath_rc_priv->state[rate+1].per) {
+ ath_rc_priv->state[rate].per =
+ ath_rc_priv->state[rate+1].per;
}
}
}
/* Maintain monotonicity for rates above the current rate */
- for (rate = tx_rate; rate < rate_ctrl->rate_table_size - 1; rate++) {
- if (rate_ctrl->state[rate+1].per < rate_ctrl->state[rate].per)
- rate_ctrl->state[rate+1].per =
- rate_ctrl->state[rate].per;
+ for (rate = tx_rate; rate < size - 1; rate++) {
+ if (ath_rc_priv->state[rate+1].per <
+ ath_rc_priv->state[rate].per)
+ ath_rc_priv->state[rate+1].per =
+ ath_rc_priv->state[rate].per;
}
/* Every so often, we reduce the thresholds and
* PER (different for CCK and OFDM). */
- if (now_msec - rate_ctrl->rssi_down_time >=
+ if (now_msec - ath_rc_priv->rssi_down_time >=
rate_table->rssi_reduce_interval) {
- for (rate = 0; rate < rate_ctrl->rate_table_size; rate++) {
- if (rate_ctrl->state[rate].rssi_thres >
+ for (rate = 0; rate < size; rate++) {
+ if (ath_rc_priv->state[rate].rssi_thres >
rate_table->info[rate].rssi_ack_validmin)
- rate_ctrl->state[rate].rssi_thres -= 1;
+ ath_rc_priv->state[rate].rssi_thres -= 1;
}
- rate_ctrl->rssi_down_time = now_msec;
+ ath_rc_priv->rssi_down_time = now_msec;
}
/* Every so often, we reduce the thresholds
* and PER (different for CCK and OFDM). */
- if (now_msec - rate_ctrl->per_down_time >=
+ if (now_msec - ath_rc_priv->per_down_time >=
rate_table->rssi_reduce_interval) {
- for (rate = 0; rate < rate_ctrl->rate_table_size; rate++) {
- rate_ctrl->state[rate].per =
- 7 * rate_ctrl->state[rate].per / 8;
+ for (rate = 0; rate < size; rate++) {
+ ath_rc_priv->state[rate].per =
+ 7 * ath_rc_priv->state[rate].per / 8;
}
- rate_ctrl->per_down_time = now_msec;
+ ath_rc_priv->per_down_time = now_msec;
}
+
+#undef CHK_RSSI
}
-/*
- * This routine is called in rate control callback tx_status() to give
- * the status of previous frames.
- */
-static void ath_rc_update(struct ath_softc *sc,
- struct ath_rate_node *ath_rc_priv,
- struct ath_tx_info_priv *info_priv, int final_ts_idx,
- int xretries, int long_retry)
+static int ath_rc_get_rateindex(struct ath_rate_table *rate_table,
+ struct ieee80211_tx_rate *rate)
{
- struct ath_rate_softc *asc = (struct ath_rate_softc *)sc->sc_rc;
+ int rix;
+
+ if ((rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
+ (rate->flags & IEEE80211_TX_RC_SHORT_GI))
+ rix = rate_table->info[rate->idx].ht_index;
+ else if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
+ rix = rate_table->info[rate->idx].sgi_index;
+ else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ rix = rate_table->info[rate->idx].cw40index;
+ else
+ rix = rate_table->info[rate->idx].base_index;
+
+ return rix;
+}
+
+static void ath_rc_tx_status(struct ath_softc *sc,
+ struct ath_rate_priv *ath_rc_priv,
+ struct ieee80211_tx_info *tx_info,
+ int final_ts_idx, int xretries, int long_retry)
+{
+ struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
struct ath_rate_table *rate_table;
- struct ath_tx_ratectrl *rate_ctrl;
- struct ath_rc_series rcs[4];
+ struct ieee80211_tx_rate *rates = tx_info->status.rates;
u8 flags;
- u32 series = 0, rix;
+ u32 i = 0, rix;
- memcpy(rcs, info_priv->rcs, 4 * sizeof(rcs[0]));
- rate_table = (struct ath_rate_table *)
- asc->hw_rate_table[sc->sc_curmode];
- rate_ctrl = (struct ath_tx_ratectrl *)(ath_rc_priv);
- ASSERT(rcs[0].tries != 0);
+ rate_table = sc->cur_rate_table;
/*
* If the first rate is not the final index, there
*/
if (final_ts_idx != 0) {
/* Process intermediate rates that failed.*/
- for (series = 0; series < final_ts_idx ; series++) {
- if (rcs[series].tries != 0) {
- flags = rcs[series].flags;
+ for (i = 0; i < final_ts_idx ; i++) {
+ if (rates[i].count != 0 && (rates[i].idx >= 0)) {
+ flags = rates[i].flags;
+
/* If HT40 and we have switched mode from
* 40 to 20 => don't update */
- if ((flags & ATH_RC_CW40_FLAG) &&
- (rate_ctrl->rc_phy_mode !=
- (flags & ATH_RC_CW40_FLAG)))
+
+ if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
+ (ath_rc_priv->rc_phy_mode != WLAN_RC_40_FLAG))
return;
- if ((flags & ATH_RC_CW40_FLAG) &&
- (flags & ATH_RC_SGI_FLAG))
- rix = rate_table->info[
- rcs[series].rix].ht_index;
- else if (flags & ATH_RC_SGI_FLAG)
- rix = rate_table->info[
- rcs[series].rix].sgi_index;
- else if (flags & ATH_RC_CW40_FLAG)
- rix = rate_table->info[
- rcs[series].rix].cw40index;
- else
- rix = rate_table->info[
- rcs[series].rix].base_index;
+
+ rix = ath_rc_get_rateindex(rate_table, &rates[i]);
ath_rc_update_ht(sc, ath_rc_priv,
- info_priv, rix,
+ tx_info_priv, rix,
xretries ? 1 : 2,
- rcs[series].tries);
+ rates[i].count);
}
}
} else {
* Treating it as an excessive retry penalizes the rate
* inordinately.
*/
- if (rcs[0].tries == 1 && xretries == 1)
+ if (rates[0].count == 1 && xretries == 1)
xretries = 2;
}
- flags = rcs[series].flags;
+ flags = rates[i].flags;
+
/* If HT40 and we have switched mode from 40 to 20 => don't update */
- if ((flags & ATH_RC_CW40_FLAG) &&
- (rate_ctrl->rc_phy_mode != (flags & ATH_RC_CW40_FLAG)))
+ if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
+ (ath_rc_priv->rc_phy_mode != WLAN_RC_40_FLAG)) {
return;
+ }
- if ((flags & ATH_RC_CW40_FLAG) && (flags & ATH_RC_SGI_FLAG))
- rix = rate_table->info[rcs[series].rix].ht_index;
- else if (flags & ATH_RC_SGI_FLAG)
- rix = rate_table->info[rcs[series].rix].sgi_index;
- else if (flags & ATH_RC_CW40_FLAG)
- rix = rate_table->info[rcs[series].rix].cw40index;
- else
- rix = rate_table->info[rcs[series].rix].base_index;
-
- ath_rc_update_ht(sc, ath_rc_priv, info_priv, rix,
- xretries, long_retry);
+ rix = ath_rc_get_rateindex(rate_table, &rates[i]);
+ ath_rc_update_ht(sc, ath_rc_priv, tx_info_priv, rix,
+ xretries, long_retry);
}
-/*
- * Process a tx descriptor for a completed transmit (success or failure).
- */
-static void ath_rate_tx_complete(struct ath_softc *sc,
- struct ath_node *an,
- struct ath_rate_node *rc_priv,
- struct ath_tx_info_priv *info_priv)
+static struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc,
+ enum ieee80211_band band,
+ bool is_ht, bool is_cw_40)
{
- int final_ts_idx = info_priv->tx.ts_rateindex;
- int tx_status = 0, is_underrun = 0;
- struct ath_vap *avp;
-
- avp = rc_priv->avp;
- if ((avp->av_config.av_fixed_rateset != IEEE80211_FIXED_RATE_NONE) ||
- (info_priv->tx.ts_status & ATH9K_TXERR_FILT))
- return;
-
- if (info_priv->tx.ts_rssi > 0) {
- ATH_RSSI_LPF(an->an_chainmask_sel.tx_avgrssi,
- info_priv->tx.ts_rssi);
- }
-
- /*
- * If underrun error is seen assume it as an excessive retry only
- * if prefetch trigger level have reached the max (0x3f for 5416)
- * Adjust the long retry as if the frame was tried ATH_11N_TXMAXTRY
- * times. This affects how ratectrl updates PER for the failed rate.
- */
- if (info_priv->tx.ts_flags &
- (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN) &&
- ((sc->sc_ah->ah_txTrigLevel) >= tx_triglevel_max)) {
- tx_status = 1;
- is_underrun = 1;
+ int mode = 0;
+
+ switch(band) {
+ case IEEE80211_BAND_2GHZ:
+ mode = ATH9K_MODE_11G;
+ if (is_ht)
+ mode = ATH9K_MODE_11NG_HT20;
+ if (is_cw_40)
+ mode = ATH9K_MODE_11NG_HT40PLUS;
+ break;
+ case IEEE80211_BAND_5GHZ:
+ mode = ATH9K_MODE_11A;
+ if (is_ht)
+ mode = ATH9K_MODE_11NA_HT20;
+ if (is_cw_40)
+ mode = ATH9K_MODE_11NA_HT40PLUS;
+ break;
+ default:
+ DPRINTF(sc, ATH_DBG_CONFIG, "Invalid band\n");
+ return NULL;
}
- if ((info_priv->tx.ts_status & ATH9K_TXERR_XRETRY) ||
- (info_priv->tx.ts_status & ATH9K_TXERR_FIFO))
- tx_status = 1;
+ BUG_ON(mode >= ATH9K_MODE_MAX);
- ath_rc_update(sc, rc_priv, info_priv, final_ts_idx, tx_status,
- (is_underrun) ? ATH_11N_TXMAXTRY :
- info_priv->tx.ts_longretry);
+ DPRINTF(sc, ATH_DBG_CONFIG, "Choosing rate table for mode: %d\n", mode);
+ return sc->hw_rate_table[mode];
}
-/*
- * Update the SIB's rate control information
- *
- * This should be called when the supported rates change
- * (e.g. SME operation, wireless mode change)
- *
- * It will determine which rates are valid for use.
- */
-static void ath_rc_sib_update(struct ath_softc *sc,
- struct ath_rate_node *ath_rc_priv,
- u32 capflag, int keep_state,
- struct ath_rateset *negotiated_rates,
- struct ath_rateset *negotiated_htrates)
+static void ath_rc_init(struct ath_softc *sc,
+ struct ath_rate_priv *ath_rc_priv,
+ struct ieee80211_supported_band *sband,
+ struct ieee80211_sta *sta)
{
struct ath_rate_table *rate_table = NULL;
- struct ath_rate_softc *asc = (struct ath_rate_softc *)sc->sc_rc;
- struct ath_rateset *rateset = negotiated_rates;
- u8 *ht_mcs = (u8 *)negotiated_htrates;
- struct ath_tx_ratectrl *rate_ctrl =
- (struct ath_tx_ratectrl *)ath_rc_priv;
+ struct ath_rateset *rateset = &ath_rc_priv->neg_rates;
+ u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates;
u8 i, j, k, hi = 0, hthi = 0;
- rate_table = (struct ath_rate_table *)
- asc->hw_rate_table[sc->sc_curmode];
+ /* FIXME: Adhoc */
+ if ((sc->sc_ah->ah_opmode == NL80211_IFTYPE_STATION) ||
+ (sc->sc_ah->ah_opmode == NL80211_IFTYPE_ADHOC)) {
+ bool is_cw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ rate_table = ath_choose_rate_table(sc, sband->band,
+ sta->ht_cap.ht_supported,
+ is_cw_40);
+ } else if (sc->sc_ah->ah_opmode == NL80211_IFTYPE_AP) {
+ /* cur_rate_table would be set on init through config() */
+ rate_table = sc->cur_rate_table;
+ }
+
+ if (!rate_table) {
+ DPRINTF(sc, ATH_DBG_FATAL, "Rate table not initialized\n");
+ return;
+ }
+
+ if (sta->ht_cap.ht_supported) {
+ ath_rc_priv->ht_cap = (WLAN_RC_HT_FLAG | WLAN_RC_DS_FLAG);
+ if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
+ ath_rc_priv->ht_cap |= WLAN_RC_40_FLAG;
+ }
/* Initial rate table size. Will change depending
* on the working rate set */
- rate_ctrl->rate_table_size = MAX_TX_RATE_TBL;
+ ath_rc_priv->rate_table_size = RATE_TABLE_SIZE;
/* Initialize thresholds according to the global rate table */
- for (i = 0 ; (i < rate_ctrl->rate_table_size) && (!keep_state); i++) {
- rate_ctrl->state[i].rssi_thres =
+ for (i = 0 ; i < ath_rc_priv->rate_table_size; i++) {
+ ath_rc_priv->state[i].rssi_thres =
rate_table->info[i].rssi_ack_validmin;
- rate_ctrl->state[i].per = 0;
+ ath_rc_priv->state[i].per = 0;
}
/* Determine the valid rates */
- ath_rc_init_valid_txmask(rate_ctrl);
+ ath_rc_init_valid_txmask(ath_rc_priv);
for (i = 0; i < WLAN_RC_PHY_MAX; i++) {
for (j = 0; j < MAX_TX_RATE_PHY; j++)
- rate_ctrl->valid_phy_rateidx[i][j] = 0;
- rate_ctrl->valid_phy_ratecnt[i] = 0;
+ ath_rc_priv->valid_phy_rateidx[i][j] = 0;
+ ath_rc_priv->valid_phy_ratecnt[i] = 0;
}
- rate_ctrl->rc_phy_mode = (capflag & WLAN_RC_40_FLAG);
+ ath_rc_priv->rc_phy_mode = (ath_rc_priv->ht_cap & WLAN_RC_40_FLAG);
/* Set stream capability */
- ath_rc_priv->single_stream = (capflag & WLAN_RC_DS_FLAG) ? 0 : 1;
+ ath_rc_priv->single_stream = (ath_rc_priv->ht_cap & WLAN_RC_DS_FLAG) ? 0 : 1;
if (!rateset->rs_nrates) {
/* No working rate, just initialize valid rates */
- hi = ath_rc_sib_init_validrates(ath_rc_priv, rate_table,
- capflag);
+ hi = ath_rc_init_validrates(ath_rc_priv, rate_table,
+ ath_rc_priv->ht_cap);
} else {
/* Use intersection of working rates and valid rates */
- hi = ath_rc_sib_setvalid_rates(ath_rc_priv, rate_table,
- rateset, capflag);
- if (capflag & WLAN_RC_HT_FLAG) {
- hthi = ath_rc_sib_setvalid_htrates(ath_rc_priv,
+ hi = ath_rc_setvalid_rates(ath_rc_priv, rate_table,
+ rateset, ath_rc_priv->ht_cap);
+ if (ath_rc_priv->ht_cap & WLAN_RC_HT_FLAG) {
+ hthi = ath_rc_setvalid_htrates(ath_rc_priv,
rate_table,
ht_mcs,
- capflag);
+ ath_rc_priv->ht_cap);
}
hi = A_MAX(hi, hthi);
}
- rate_ctrl->rate_table_size = hi + 1;
- rate_ctrl->rate_max_phy = 0;
- ASSERT(rate_ctrl->rate_table_size <= MAX_TX_RATE_TBL);
+ ath_rc_priv->rate_table_size = hi + 1;
+ ath_rc_priv->rate_max_phy = 0;
+ ASSERT(ath_rc_priv->rate_table_size <= RATE_TABLE_SIZE);
for (i = 0, k = 0; i < WLAN_RC_PHY_MAX; i++) {
- for (j = 0; j < rate_ctrl->valid_phy_ratecnt[i]; j++) {
- rate_ctrl->valid_rate_index[k++] =
- rate_ctrl->valid_phy_rateidx[i][j];
+ for (j = 0; j < ath_rc_priv->valid_phy_ratecnt[i]; j++) {
+ ath_rc_priv->valid_rate_index[k++] =
+ ath_rc_priv->valid_phy_rateidx[i][j];
}
- if (!ath_rc_valid_phyrate(i, rate_table->initial_ratemax, TRUE)
- || !rate_ctrl->valid_phy_ratecnt[i])
+ if (!ath_rc_valid_phyrate(i, rate_table->initial_ratemax, 1)
+ || !ath_rc_priv->valid_phy_ratecnt[i])
continue;
- rate_ctrl->rate_max_phy = rate_ctrl->valid_phy_rateidx[i][j-1];
+ ath_rc_priv->rate_max_phy = ath_rc_priv->valid_phy_rateidx[i][j-1];
}
- ASSERT(rate_ctrl->rate_table_size <= MAX_TX_RATE_TBL);
- ASSERT(k <= MAX_TX_RATE_TBL);
-
- rate_ctrl->max_valid_rate = k;
- /*
- * Some third party vendors don't send the supported rate series in
- * order. So sorting to make sure its in order, otherwise our RateFind
- * Algo will select wrong rates
- */
- ath_rc_sort_validrates(rate_table, rate_ctrl);
- rate_ctrl->rate_max_phy = rate_ctrl->valid_rate_index[k-4];
-}
-
-/*
- * Update rate-control state on station associate/reassociate.
- */
-static int ath_rate_newassoc(struct ath_softc *sc,
- struct ath_rate_node *ath_rc_priv,
- unsigned int capflag,
- struct ath_rateset *negotiated_rates,
- struct ath_rateset *negotiated_htrates)
-{
-
-
- ath_rc_priv->ht_cap =
- ((capflag & ATH_RC_DS_FLAG) ? WLAN_RC_DS_FLAG : 0) |
- ((capflag & ATH_RC_SGI_FLAG) ? WLAN_RC_SGI_FLAG : 0) |
- ((capflag & ATH_RC_HT_FLAG) ? WLAN_RC_HT_FLAG : 0) |
- ((capflag & ATH_RC_CW40_FLAG) ? WLAN_RC_40_FLAG : 0);
-
- ath_rc_sib_update(sc, ath_rc_priv, ath_rc_priv->ht_cap, 0,
- negotiated_rates, negotiated_htrates);
-
- return 0;
-}
-
-/*
- * This routine is called to initialize the rate control parameters
- * in the SIB. It is called initially during system initialization
- * or when a station is associated with the AP.
- */
-static void ath_rc_sib_init(struct ath_rate_node *ath_rc_priv)
-{
- struct ath_tx_ratectrl *rate_ctrl;
-
- rate_ctrl = (struct ath_tx_ratectrl *)(ath_rc_priv);
- rate_ctrl->rssi_down_time = jiffies_to_msecs(jiffies);
-}
-
-
-static void ath_setup_rates(struct ath_softc *sc,
- struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta,
- struct ath_rate_node *rc_priv)
-
-{
- int i, j = 0;
-
- DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
-
- for (i = 0; i < sband->n_bitrates; i++) {
- if (sta->supp_rates[sband->band] & BIT(i)) {
- rc_priv->neg_rates.rs_rates[j]
- = (sband->bitrates[i].bitrate * 2) / 10;
- j++;
- }
- }
- rc_priv->neg_rates.rs_nrates = j;
-}
-
-void ath_rc_node_update(struct ieee80211_hw *hw, struct ath_rate_node *rc_priv)
-{
- struct ath_softc *sc = hw->priv;
- u32 capflag = 0;
-
- if (hw->conf.ht_conf.ht_supported) {
- capflag |= ATH_RC_HT_FLAG | ATH_RC_DS_FLAG;
- if (sc->sc_ht_info.tx_chan_width == ATH9K_HT_MACMODE_2040)
- capflag |= ATH_RC_CW40_FLAG;
- }
-
- ath_rate_newassoc(sc, rc_priv, capflag,
- &rc_priv->neg_rates,
- &rc_priv->neg_ht_rates);
+ ASSERT(ath_rc_priv->rate_table_size <= RATE_TABLE_SIZE);
+ ASSERT(k <= RATE_TABLE_SIZE);
+ ath_rc_priv->max_valid_rate = k;
+ ath_rc_sort_validrates(rate_table, ath_rc_priv);
+ ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
+ sc->cur_rate_table = rate_table;
}
/* Rate Control callbacks */
struct sk_buff *skb)
{
struct ath_softc *sc = priv;
- struct ath_tx_info_priv *tx_info_priv;
- struct ath_node *an;
+ struct ath_rate_priv *ath_rc_priv = priv_sta;
+ struct ath_tx_info_priv *tx_info_priv = NULL;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr;
+ int final_ts_idx, tx_status = 0, is_underrun = 0;
__le16 fc;
hdr = (struct ieee80211_hdr *)skb->data;
fc = hdr->frame_control;
- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
+ tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
+ final_ts_idx = tx_info_priv->tx.ts_rateindex;
- spin_lock_bh(&sc->node_lock);
- an = ath_node_find(sc, hdr->addr1);
- spin_unlock_bh(&sc->node_lock);
+ if (!priv_sta || !ieee80211_is_data(fc) ||
+ !tx_info_priv->update_rc)
+ goto exit;
- if (!an || !priv_sta || !ieee80211_is_data(fc)) {
- if (tx_info->driver_data[0] != NULL) {
- kfree(tx_info->driver_data[0]);
- tx_info->driver_data[0] = NULL;
- }
- return;
- }
- if (tx_info->driver_data[0] != NULL) {
- ath_rate_tx_complete(sc, an, priv_sta, tx_info_priv);
- kfree(tx_info->driver_data[0]);
- tx_info->driver_data[0] = NULL;
- }
-}
-
-static void ath_tx_aggr_resp(struct ath_softc *sc,
- struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta,
- struct ath_node *an,
- u8 tidno)
-{
- struct ath_atx_tid *txtid;
- u16 buffersize = 0;
- int state;
- struct sta_info *si;
-
- if (!(sc->sc_flags & SC_OP_TXAGGR))
- return;
-
- txtid = ATH_AN_2_TID(an, tidno);
- if (!txtid->paused)
- return;
+ if (tx_info_priv->tx.ts_status & ATH9K_TXERR_FILT)
+ goto exit;
/*
- * XXX: This is entirely busted, we aren't supposed to
- * access the sta from here because it's internal
- * to mac80211, and looking at the state without
- * locking is wrong too.
+ * If underrun error is seen assume it as an excessive retry only
+ * if prefetch trigger level have reached the max (0x3f for 5416)
+ * Adjust the long retry as if the frame was tried ATH_11N_TXMAXTRY
+ * times. This affects how ratectrl updates PER for the failed rate.
*/
- si = container_of(sta, struct sta_info, sta);
- buffersize = IEEE80211_MIN_AMPDU_BUF <<
- sband->ht_info.ampdu_factor; /* FIXME */
- state = si->ampdu_mlme.tid_state_tx[tidno];
-
- if (state & HT_ADDBA_RECEIVED_MSK) {
- txtid->addba_exchangecomplete = 1;
- txtid->addba_exchangeinprogress = 0;
- txtid->baw_size = buffersize;
-
- DPRINTF(sc, ATH_DBG_AGGR,
- "%s: Resuming tid, buffersize: %d\n",
- __func__,
- buffersize);
-
- ath_tx_resume_tid(sc, txtid);
+ if (tx_info_priv->tx.ts_flags &
+ (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN) &&
+ ((sc->sc_ah->ah_txTrigLevel) >= ath_rc_priv->tx_triglevel_max)) {
+ tx_status = 1;
+ is_underrun = 1;
}
+
+ if ((tx_info_priv->tx.ts_status & ATH9K_TXERR_XRETRY) ||
+ (tx_info_priv->tx.ts_status & ATH9K_TXERR_FIFO))
+ tx_status = 1;
+
+ ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
+ (is_underrun) ? ATH_11N_TXMAXTRY :
+ tx_info_priv->tx.ts_longretry);
+
+exit:
+ kfree(tx_info_priv);
}
-static void ath_get_rate(void *priv, struct ieee80211_supported_band *sband,
- struct ieee80211_sta *sta, void *priv_sta,
- struct sk_buff *skb, struct rate_selection *sel)
+static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
+ struct ieee80211_tx_rate_control *txrc)
{
+ struct ieee80211_supported_band *sband = txrc->sband;
+ struct sk_buff *skb = txrc->skb;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ath_softc *sc = priv;
struct ieee80211_hw *hw = sc->hw;
- struct ath_tx_info_priv *tx_info_priv;
- struct ath_rate_node *ath_rc_priv = priv_sta;
- struct ath_node *an;
+ struct ath_rate_priv *ath_rc_priv = priv_sta;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- int is_probe = FALSE, chk, ret;
- s8 lowest_idx;
+ int is_probe = 0;
__le16 fc = hdr->frame_control;
- u8 *qc, tid;
- DECLARE_MAC_BUF(mac);
-
- DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
-
- /* allocate driver private area of tx_info */
- tx_info->driver_data[0] = kzalloc(sizeof(*tx_info_priv), GFP_ATOMIC);
- ASSERT(tx_info->driver_data[0] != NULL);
- tx_info_priv = (struct ath_tx_info_priv *)tx_info->driver_data[0];
- lowest_idx = rate_lowest_index(sband, sta);
- tx_info_priv->min_rate = (sband->bitrates[lowest_idx].bitrate * 2) / 10;
/* lowest rate for management and multicast/broadcast frames */
- if (!ieee80211_is_data(fc) ||
- is_multicast_ether_addr(hdr->addr1) || !sta) {
- sel->rate_idx = lowest_idx;
+ if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1) ||
+ !sta) {
+ tx_info->control.rates[0].idx = rate_lowest_index(sband, sta);
+ tx_info->control.rates[0].count =
+ is_multicast_ether_addr(hdr->addr1) ? 1 : ATH_MGT_TXMAXTRY;
return;
}
/* Find tx rate for unicast frames */
- ath_rate_findrate(sc, ath_rc_priv,
- ATH_11N_TXMAXTRY, 4,
- ATH_RC_PROBE_ALLOWED,
- tx_info_priv->rcs,
- &is_probe,
- false);
- if (is_probe)
- sel->probe_idx = ath_rc_priv->tx_ratectrl.probe_rate;
-
- /* Ratecontrol sometimes returns invalid rate index */
- if (tx_info_priv->rcs[0].rix != 0xff)
- ath_rc_priv->prev_data_rix = tx_info_priv->rcs[0].rix;
- else
- tx_info_priv->rcs[0].rix = ath_rc_priv->prev_data_rix;
-
- sel->rate_idx = tx_info_priv->rcs[0].rix;
+ ath_rc_ratefind(sc, ath_rc_priv, ATH_11N_TXMAXTRY, 4,
+ tx_info, &is_probe, false);
/* Check if aggregation has to be enabled for this tid */
-
- if (hw->conf.ht_conf.ht_supported) {
+ if (hw->conf.ht.enabled) {
if (ieee80211_is_data_qos(fc)) {
+ u8 *qc, tid;
+ struct ath_node *an;
+
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
+ an = (struct ath_node *)sta->drv_priv;
- spin_lock_bh(&sc->node_lock);
- an = ath_node_find(sc, hdr->addr1);
- spin_unlock_bh(&sc->node_lock);
-
- if (!an) {
- DPRINTF(sc, ATH_DBG_AGGR,
- "%s: Node not found to "
- "init/chk TX aggr\n", __func__);
- return;
- }
-
- chk = ath_tx_aggr_check(sc, an, tid);
- if (chk == AGGR_REQUIRED) {
- ret = ieee80211_start_tx_ba_session(hw,
- hdr->addr1, tid);
- if (ret)
- DPRINTF(sc, ATH_DBG_AGGR,
- "%s: Unable to start tx "
- "aggr for: %s\n",
- __func__,
- print_mac(mac, hdr->addr1));
- else
- DPRINTF(sc, ATH_DBG_AGGR,
- "%s: Started tx aggr for: %s\n",
- __func__,
- print_mac(mac, hdr->addr1));
- } else if (chk == AGGR_EXCHANGE_PROGRESS)
- ath_tx_aggr_resp(sc, sband, sta, an, tid);
+ if(ath_tx_aggr_check(sc, an, tid))
+ ieee80211_start_tx_ba_session(hw, hdr->addr1, tid);
}
}
}
struct ieee80211_sta *sta, void *priv_sta)
{
struct ath_softc *sc = priv;
- struct ath_rate_node *ath_rc_priv = priv_sta;
+ struct ath_rate_priv *ath_rc_priv = priv_sta;
int i, j = 0;
- DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if (sta->supp_rates[sband->band] & BIT(i)) {
+ ath_rc_priv->neg_rates.rs_rates[j]
+ = (sband->bitrates[i].bitrate * 2) / 10;
+ j++;
+ }
+ }
+ ath_rc_priv->neg_rates.rs_nrates = j;
- ath_setup_rates(sc, sband, sta, ath_rc_priv);
- if (sc->hw->conf.flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
- for (i = 0; i < MCS_SET_SIZE; i++) {
- if (sc->hw->conf.ht_conf.supp_mcs_set[i/8] & (1<<(i%8)))
+ if (sta->ht_cap.ht_supported) {
+ for (i = 0, j = 0; i < 77; i++) {
+ if (sta->ht_cap.mcs.rx_mask[i/8] & (1<<(i%8)))
ath_rc_priv->neg_ht_rates.rs_rates[j++] = i;
if (j == ATH_RATE_MAX)
break;
}
ath_rc_priv->neg_ht_rates.rs_nrates = j;
}
- ath_rc_node_update(sc->hw, priv_sta);
-}
-static void ath_rate_clear(void *priv)
-{
- return;
+ ath_rc_init(sc, priv_sta, sband, sta);
}
static void *ath_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
- struct ath_softc *sc = hw->priv;
-
- DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
return hw->priv;
}
static void *ath_rate_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
{
struct ath_softc *sc = priv;
- struct ath_vap *avp = sc->sc_vaps[0];
- struct ath_rate_node *rate_priv;
-
- DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__);
+ struct ath_rate_priv *rate_priv;
- rate_priv = ath_rate_node_alloc(avp, sc->sc_rc, gfp);
+ rate_priv = kzalloc(sizeof(struct ath_rate_priv), gfp);
if (!rate_priv) {
DPRINTF(sc, ATH_DBG_FATAL,
- "%s: Unable to allocate private rc structure\n",
- __func__);
+ "Unable to allocate private rc structure\n");
return NULL;
}
- ath_rc_sib_init(rate_priv);
+
+ rate_priv->rssi_down_time = jiffies_to_msecs(jiffies);
+ rate_priv->tx_triglevel_max = sc->sc_ah->ah_caps.tx_triglevel_max;
return rate_priv;
}
static void ath_rate_free_sta(void *priv, struct ieee80211_sta *sta,
void *priv_sta)
{
- struct ath_rate_node *rate_priv = priv_sta;
- struct ath_softc *sc = priv;
-
- DPRINTF(sc, ATH_DBG_RATE, "%s", __func__);
- ath_rate_node_free(rate_priv);
+ struct ath_rate_priv *rate_priv = priv_sta;
+ kfree(rate_priv);
}
static struct rate_control_ops ath_rate_ops = {
.tx_status = ath_tx_status,
.get_rate = ath_get_rate,
.rate_init = ath_rate_init,
- .clear = ath_rate_clear,
.alloc = ath_rate_alloc,
.free = ath_rate_free,
.alloc_sta = ath_rate_alloc_sta,
.free_sta = ath_rate_free_sta,
};
+static void ath_setup_rate_table(struct ath_softc *sc,
+ struct ath_rate_table *rate_table)
+{
+ int i;
+
+ for (i = 0; i < 256; i++)
+ rate_table->rateCodeToIndex[i] = (u8)-1;
+
+ for (i = 0; i < rate_table->rate_cnt; i++) {
+ u8 code = rate_table->info[i].ratecode;
+ u8 cix = rate_table->info[i].ctrl_rate;
+ u8 sh = rate_table->info[i].short_preamble;
+
+ rate_table->rateCodeToIndex[code] = i;
+ rate_table->rateCodeToIndex[code | sh] = i;
+
+ rate_table->info[i].lpAckDuration =
+ ath9k_hw_computetxtime(sc->sc_ah, rate_table,
+ WLAN_CTRL_FRAME_SIZE,
+ cix,
+ false);
+ rate_table->info[i].spAckDuration =
+ ath9k_hw_computetxtime(sc->sc_ah, rate_table,
+ WLAN_CTRL_FRAME_SIZE,
+ cix,
+ true);
+ }
+}
+
+void ath_rate_attach(struct ath_softc *sc)
+{
+ sc->hw_rate_table[ATH9K_MODE_11B] =
+ &ar5416_11b_ratetable;
+ sc->hw_rate_table[ATH9K_MODE_11A] =
+ &ar5416_11a_ratetable;
+ sc->hw_rate_table[ATH9K_MODE_11G] =
+ &ar5416_11g_ratetable;
+ sc->hw_rate_table[ATH9K_MODE_11NA_HT20] =
+ &ar5416_11na_ratetable;
+ sc->hw_rate_table[ATH9K_MODE_11NG_HT20] =
+ &ar5416_11ng_ratetable;
+ sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS] =
+ &ar5416_11na_ratetable;
+ sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS] =
+ &ar5416_11na_ratetable;
+ sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS] =
+ &ar5416_11ng_ratetable;
+ sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS] =
+ &ar5416_11ng_ratetable;
+
+ ath_setup_rate_table(sc, &ar5416_11b_ratetable);
+ ath_setup_rate_table(sc, &ar5416_11a_ratetable);
+ ath_setup_rate_table(sc, &ar5416_11g_ratetable);
+ ath_setup_rate_table(sc, &ar5416_11na_ratetable);
+ ath_setup_rate_table(sc, &ar5416_11ng_ratetable);
+}
+
int ath_rate_control_register(void)
{
return ieee80211_rate_control_register(&ath_rate_ops);
{
ieee80211_rate_control_unregister(&ath_rate_ops);
}
-
projects / linux-2.6-omap-h63xx.git / blobdiff