diff options
Diffstat (limited to 'target/linux/generic/patches-2.6.38/903-hostap_txpower.patch')
| -rw-r--r-- | target/linux/generic/patches-2.6.38/903-hostap_txpower.patch | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/target/linux/generic/patches-2.6.38/903-hostap_txpower.patch b/target/linux/generic/patches-2.6.38/903-hostap_txpower.patch new file mode 100644 index 000000000..374a28445 --- /dev/null +++ b/target/linux/generic/patches-2.6.38/903-hostap_txpower.patch @@ -0,0 +1,154 @@ +--- a/drivers/net/wireless/hostap/hostap_ap.c ++++ b/drivers/net/wireless/hostap/hostap_ap.c +@@ -2338,13 +2338,13 @@ 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; +@@ -2410,13 +2410,13 @@ 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 +@@ -433,6 +433,11 @@ 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 +@@ -1477,23 +1477,20 @@ 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; + } +@@ -4056,3 +4053,35 @@ 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); |