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-rw-r--r--target/linux/generic-2.6/patches/903-hostap_txpower.patch160
1 files changed, 160 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches/903-hostap_txpower.patch b/target/linux/generic-2.6/patches/903-hostap_txpower.patch
new file mode 100644
index 0000000000..6f82cdb033
--- /dev/null
+++ b/target/linux/generic-2.6/patches/903-hostap_txpower.patch
@@ -0,0 +1,160 @@
+diff -Nur linux-2.6.17/drivers/net/wireless/hostap/hostap_ap.c linux-2.6.17-patched/drivers/net/wireless/hostap/hostap_ap.c
+--- linux-2.6.17/drivers/net/wireless/hostap/hostap_ap.c 2006-06-18 04:49:35.000000000 +0300
++++ linux-2.6.17-patched/drivers/net/wireless/hostap/hostap_ap.c 2006-12-10 19:13:33.000000000 +0200
+@@ -2345,13 +2345,13 @@
+ 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;
+@@ -2416,13 +2416,13 @@
+ 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,
+diff -Nur linux-2.6.17/drivers/net/wireless/hostap/hostap_config.h linux-2.6.17-patched/drivers/net/wireless/hostap/hostap_config.h
+--- linux-2.6.17/drivers/net/wireless/hostap/hostap_config.h 2006-06-18 04:49:35.000000000 +0300
++++ linux-2.6.17-patched/drivers/net/wireless/hostap/hostap_config.h 2006-12-10 19:13:33.000000000 +0200
+@@ -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 */
+diff -Nur linux-2.6.17/drivers/net/wireless/hostap/hostap.h linux-2.6.17-patched/drivers/net/wireless/hostap/hostap.h
+--- linux-2.6.17/drivers/net/wireless/hostap/hostap.h 2006-06-18 04:49:35.000000000 +0300
++++ linux-2.6.17-patched/drivers/net/wireless/hostap/hostap.h 2006-12-10 19:20:00.000000000 +0200
+@@ -89,6 +89,7 @@
+ extern 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 */
+diff -Nur linux-2.6.17/drivers/net/wireless/hostap/hostap_hw.c linux-2.6.17-patched/drivers/net/wireless/hostap/hostap_hw.c
+--- linux-2.6.17/drivers/net/wireless/hostap/hostap_hw.c 2006-06-18 04:49:35.000000000 +0300
++++ linux-2.6.17-patched/drivers/net/wireless/hostap/hostap_hw.c 2006-12-10 19:13:33.000000000 +0200
+@@ -1043,6 +1043,7 @@
+ dev->name, local->fragm_threshold);
+ }
+
++ hostap_restore_power(dev);
+ return res;
+ }
+
+diff -Nur linux-2.6.17/drivers/net/wireless/hostap/hostap_info.c linux-2.6.17-patched/drivers/net/wireless/hostap/hostap_info.c
+--- linux-2.6.17/drivers/net/wireless/hostap/hostap_info.c 2006-06-18 04:49:35.000000000 +0300
++++ linux-2.6.17-patched/drivers/net/wireless/hostap/hostap_info.c 2006-12-10 19:13:33.000000000 +0200
+@@ -429,6 +429,11 @@
+ }
+
+ /* 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);
+diff -Nur linux-2.6.17/drivers/net/wireless/hostap/hostap_ioctl.c linux-2.6.17-patched/drivers/net/wireless/hostap/hostap_ioctl.c
+--- linux-2.6.17/drivers/net/wireless/hostap/hostap_ioctl.c 2006-06-18 04:49:35.000000000 +0300
++++ linux-2.6.17-patched/drivers/net/wireless/hostap/hostap_ioctl.c 2006-12-10 21:21:03.000000000 +0200
+@@ -1506,23 +1506,20 @@
+ 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;
+ }
+@@ -4086,3 +4083,35 @@
+
+ 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 2.25.1) at 2024-11-10 06:10:06 +0000