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path: root/target/linux/generic-2.6/patches-2.6.21/903-hostap_txpower.patch
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Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.21/903-hostap_txpower.patch')
-rw-r--r--target/linux/generic-2.6/patches-2.6.21/903-hostap_txpower.patch166
1 files changed, 166 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.21/903-hostap_txpower.patch b/target/linux/generic-2.6/patches-2.6.21/903-hostap_txpower.patch
new file mode 100644
index 0000000000..474fbeea0b
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.21/903-hostap_txpower.patch
@@ -0,0 +1,166 @@
+Index: linux-2.6.21.7/drivers/net/wireless/hostap/hostap_ap.c
+===================================================================
+--- linux-2.6.21.7.orig/drivers/net/wireless/hostap/hostap_ap.c
++++ linux-2.6.21.7/drivers/net/wireless/hostap/hostap_ap.c
+@@ -2346,13 +2346,13 @@ 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;
+@@ -2417,13 +2417,13 @@ 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(current_ev, end_buf, &iwe,
+Index: linux-2.6.21.7/drivers/net/wireless/hostap/hostap_config.h
+===================================================================
+--- linux-2.6.21.7.orig/drivers/net/wireless/hostap/hostap_config.h
++++ linux-2.6.21.7/drivers/net/wireless/hostap/hostap_config.h
+@@ -47,4 +47,9 @@
+ */
+ /* #define PRISM2_NO_STATION_MODES */
+
++/* Enable TX power Setting functions
++ * (min att = -128 , max att = 127)
++ */
++#define RAW_TXPOWER_SETTING
++
+ #endif /* HOSTAP_CONFIG_H */
+Index: linux-2.6.21.7/drivers/net/wireless/hostap/hostap.h
+===================================================================
+--- linux-2.6.21.7.orig/drivers/net/wireless/hostap/hostap.h
++++ linux-2.6.21.7/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 */
+Index: linux-2.6.21.7/drivers/net/wireless/hostap/hostap_hw.c
+===================================================================
+--- linux-2.6.21.7.orig/drivers/net/wireless/hostap/hostap_hw.c
++++ linux-2.6.21.7/drivers/net/wireless/hostap/hostap_hw.c
+@@ -933,6 +933,7 @@ static int hfa384x_set_rid(struct net_de
+ prism2_hw_reset(dev);
+ }
+
++ hostap_restore_power(dev);
+ return res;
+ }
+
+Index: linux-2.6.21.7/drivers/net/wireless/hostap/hostap_info.c
+===================================================================
+--- linux-2.6.21.7.orig/drivers/net/wireless/hostap/hostap_info.c
++++ linux-2.6.21.7/drivers/net/wireless/hostap/hostap_info.c
+@@ -428,6 +428,11 @@ 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);
+Index: linux-2.6.21.7/drivers/net/wireless/hostap/hostap_ioctl.c
+===================================================================
+--- linux-2.6.21.7.orig/drivers/net/wireless/hostap/hostap_ioctl.c
++++ linux-2.6.21.7/drivers/net/wireless/hostap/hostap_ioctl.c
+@@ -1504,23 +1504,20 @@ 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;
+ }
+@@ -4080,3 +4077,35 @@ 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 = dev->priv;
++ 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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-14 03:13:44 +0000