summaryrefslogtreecommitdiff
path: root/target/linux/generic/patches-3.2/750-hostap_txpower.patch
blob: a928bcd62ba2cd77f08174da0116413d218e36d6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -2340,13 +2340,13 @@ int prism2_ap_get_sta_qual(local_info_t 
 		addr[count].sa_family = ARPHRD_ETHER;
 		memcpy(addr[count].sa_data, sta->addr, ETH_ALEN);
 		if (sta->last_rx_silence == 0)
-			qual[count].qual = sta->last_rx_signal < 27 ?
-				0 : (sta->last_rx_signal - 27) * 92 / 127;
+                        qual[count].qual = (sta->last_rx_signal - 156) == 0 ?
+                                0 : (sta->last_rx_signal - 156) * 92 / 64;
 		else
-			qual[count].qual = sta->last_rx_signal -
-				sta->last_rx_silence - 35;
-		qual[count].level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal);
-		qual[count].noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence);
+                        qual[count].qual = (sta->last_rx_signal -
+                                sta->last_rx_silence) * 92 / 64;
+                qual[count].level = sta->last_rx_signal;
+                qual[count].noise = sta->last_rx_silence;
 		qual[count].updated = sta->last_rx_updated;
 
 		sta->last_rx_updated = IW_QUAL_DBM;
@@ -2412,13 +2412,13 @@ int prism2_ap_translate_scan(struct net_
 		memset(&iwe, 0, sizeof(iwe));
 		iwe.cmd = IWEVQUAL;
 		if (sta->last_rx_silence == 0)
-			iwe.u.qual.qual = sta->last_rx_signal < 27 ?
-				0 : (sta->last_rx_signal - 27) * 92 / 127;
+	                iwe.u.qual.qual = (sta->last_rx_signal -156) == 0 ?
+	                        0 : (sta->last_rx_signal - 156) * 92 / 64;
 		else
-			iwe.u.qual.qual = sta->last_rx_signal -
-				sta->last_rx_silence - 35;
-		iwe.u.qual.level = HFA384X_LEVEL_TO_dBm(sta->last_rx_signal);
-		iwe.u.qual.noise = HFA384X_LEVEL_TO_dBm(sta->last_rx_silence);
+                        iwe.u.qual.qual = (sta->last_rx_signal -
+                                sta->last_rx_silence) * 92 / 64;
+                iwe.u.qual.level = sta->last_rx_signal;
+                iwe.u.qual.noise = sta->last_rx_silence;
 		iwe.u.qual.updated = sta->last_rx_updated;
 		iwe.len = IW_EV_QUAL_LEN;
 		current_ev = iwe_stream_add_event(info, current_ev, end_buf,
--- a/drivers/net/wireless/hostap/hostap_config.h
+++ b/drivers/net/wireless/hostap/hostap_config.h
@@ -45,4 +45,9 @@
  */
 /* #define PRISM2_NO_STATION_MODES */
 
+/* Enable TX power Setting functions
+ * (min att = -128 , max att =  127)
+ */
+#define RAW_TXPOWER_SETTING
+
 #endif /* HOSTAP_CONFIG_H */
--- a/drivers/net/wireless/hostap/hostap.h
+++ b/drivers/net/wireless/hostap/hostap.h
@@ -90,6 +90,7 @@ extern const struct iw_handler_def hosta
 extern const struct ethtool_ops prism2_ethtool_ops;
 
 int hostap_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
+int hostap_restore_power(struct net_device *dev);
 
 
 #endif /* HOSTAP_H */
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -932,6 +932,7 @@ static int hfa384x_set_rid(struct net_de
 			prism2_hw_reset(dev);
 	}
 
+	hostap_restore_power(dev);
 	return res;
 }
 
--- a/drivers/net/wireless/hostap/hostap_info.c
+++ b/drivers/net/wireless/hostap/hostap_info.c
@@ -434,6 +434,11 @@ static void handle_info_queue_linkstatus
 	}
 
 	/* Get BSSID if we have a valid AP address */
+
+	if ( val == HFA384X_LINKSTATUS_CONNECTED ||
+	     val == HFA384X_LINKSTATUS_DISCONNECTED )
+			hostap_restore_power(local->dev);
+
 	if (connected) {
 		netif_carrier_on(local->dev);
 		netif_carrier_on(local->ddev);
--- a/drivers/net/wireless/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -1478,23 +1478,20 @@ static int prism2_txpower_hfa386x_to_dBm
 		val = 255;
 
 	tmp = val;
-	tmp >>= 2;
 
-	return -12 - tmp;
+	return tmp;
 }
 
 static u16 prism2_txpower_dBm_to_hfa386x(int val)
 {
 	signed char tmp;
 
-	if (val > 20)
-		return 128;
-	else if (val < -43)
+	if (val > 127)
 		return 127;
+	else if (val < -128)
+		return 128;
 
 	tmp = val;
-	tmp = -12 - tmp;
-	tmp <<= 2;
 
 	return (unsigned char) tmp;
 }
@@ -4057,3 +4054,35 @@ int hostap_ioctl(struct net_device *dev,
 
 	return ret;
 }
+
+/* BUG FIX: Restore power setting value when lost due to F/W bug */
+
+int hostap_restore_power(struct net_device *dev)
+{
+        struct hostap_interface *iface = netdev_priv(dev);
+       local_info_t *local = iface->local;
+
+       u16 val;
+       int ret = 0;
+
+       if (local->txpower_type == PRISM2_TXPOWER_OFF) {
+                       val = 0xff; /* use all standby and sleep modes */
+                       ret = local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
+                                              HFA386X_CR_A_D_TEST_MODES2,
+                                              &val, NULL);
+       }
+
+#ifdef RAW_TXPOWER_SETTING
+       if (local->txpower_type == PRISM2_TXPOWER_FIXED) {
+               val = HFA384X_TEST_CFG_BIT_ALC;
+               local->func->cmd(dev, HFA384X_CMDCODE_TEST |
+                                (HFA384X_TEST_CFG_BITS << 8), 0, &val, NULL);
+               val = prism2_txpower_dBm_to_hfa386x(local->txpower);
+               ret = (local->func->cmd(dev, HFA384X_CMDCODE_WRITEMIF,
+                            HFA386X_CR_MANUAL_TX_POWER, &val, NULL));
+       }
+#endif /* RAW_TXPOWER_SETTING */
+       return (ret ? -EOPNOTSUPP : 0);
+}
+
+EXPORT_SYMBOL(hostap_restore_power);