diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2400pci.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500pci.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500usb.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00config.c | 45 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00link.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 65 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt61pci.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.c | 2 |
9 files changed, 103 insertions, 29 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index bbe76f7..937f9e8 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1720,6 +1720,8 @@ static const struct ieee80211_ops rt2400pci_mac80211_ops = { .tx_last_beacon = rt2400pci_tx_last_beacon, .rfkill_poll = rt2x00mac_rfkill_poll, .flush = rt2x00mac_flush, + .set_antenna = rt2x00mac_set_antenna, + .get_antenna = rt2x00mac_get_antenna, .get_ringparam = rt2x00mac_get_ringparam, }; diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 6f48996..d27d7b8 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -2013,6 +2013,8 @@ static const struct ieee80211_ops rt2500pci_mac80211_ops = { .tx_last_beacon = rt2500pci_tx_last_beacon, .rfkill_poll = rt2x00mac_rfkill_poll, .flush = rt2x00mac_flush, + .set_antenna = rt2x00mac_set_antenna, + .get_antenna = rt2x00mac_get_antenna, .get_ringparam = rt2x00mac_get_ringparam, }; diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 5ef3386..b21f812 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1823,6 +1823,8 @@ static const struct ieee80211_ops rt2500usb_mac80211_ops = { .conf_tx = rt2x00mac_conf_tx, .rfkill_poll = rt2x00mac_rfkill_poll, .flush = rt2x00mac_flush, + .set_antenna = rt2x00mac_set_antenna, + .get_antenna = rt2x00mac_get_antenna, .get_ringparam = rt2x00mac_get_ringparam, }; diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index f1d8f55..acf561f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -1254,6 +1254,8 @@ int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue, const struct ieee80211_tx_queue_params *params); void rt2x00mac_rfkill_poll(struct ieee80211_hw *hw); void rt2x00mac_flush(struct ieee80211_hw *hw, bool drop); +int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant); +int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant); void rt2x00mac_get_ringparam(struct ieee80211_hw *hw, u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max); diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c index f70a2b4..2a313b6 100644 --- a/drivers/net/wireless/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/rt2x00/rt2x00config.c @@ -109,15 +109,6 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev, rt2x00dev->ops->lib->config_erp(rt2x00dev, &erp, changed); } -static inline -enum antenna rt2x00lib_config_antenna_check(enum antenna current_ant, - enum antenna default_ant) -{ - if (current_ant != ANTENNA_SW_DIVERSITY) - return current_ant; - return (default_ant != ANTENNA_SW_DIVERSITY) ? default_ant : ANTENNA_B; -} - void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, struct antenna_setup config) { @@ -126,19 +117,35 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, struct antenna_setup *active = &rt2x00dev->link.ant.active; /* - * Failsafe: Make sure we are not sending the - * ANTENNA_SW_DIVERSITY state to the driver. - * If that happens, fallback to hardware defaults, - * or our own default. + * When the caller tries to send the SW diversity, + * we must update the ANTENNA_RX_DIVERSITY flag to + * enable the antenna diversity in the link tuner. + * + * Secondly, we must guarentee we never send the + * software antenna diversity command to the driver. */ - if (!(ant->flags & ANTENNA_RX_DIVERSITY)) - config.rx = rt2x00lib_config_antenna_check(config.rx, def->rx); - else if (config.rx == ANTENNA_SW_DIVERSITY) + if (!(ant->flags & ANTENNA_RX_DIVERSITY)) { + if (config.rx == ANTENNA_SW_DIVERSITY) { + ant->flags |= ANTENNA_RX_DIVERSITY; + + if (def->rx == ANTENNA_SW_DIVERSITY) + config.rx = ANTENNA_B; + else + config.rx = def->rx; + } + } else if (config.rx == ANTENNA_SW_DIVERSITY) config.rx = active->rx; - if (!(ant->flags & ANTENNA_TX_DIVERSITY)) - config.tx = rt2x00lib_config_antenna_check(config.tx, def->tx); - else if (config.tx == ANTENNA_SW_DIVERSITY) + if (!(ant->flags & ANTENNA_TX_DIVERSITY)) { + if (config.tx == ANTENNA_SW_DIVERSITY) { + ant->flags |= ANTENNA_TX_DIVERSITY; + + if (def->tx == ANTENNA_SW_DIVERSITY) + config.tx = ANTENNA_B; + else + config.tx = def->tx; + } + } else if (config.tx == ANTENNA_SW_DIVERSITY) config.tx = active->tx; /* diff --git a/drivers/net/wireless/rt2x00/rt2x00link.c b/drivers/net/wireless/rt2x00/rt2x00link.c index ba0bb76..fa55399 100644 --- a/drivers/net/wireless/rt2x00/rt2x00link.c +++ b/drivers/net/wireless/rt2x00/rt2x00link.c @@ -192,17 +192,7 @@ static bool rt2x00lib_antenna_diversity(struct rt2x00_dev *rt2x00dev) /* * Determine if software diversity is enabled for * either the TX or RX antenna (or both). - * Always perform this check since within the link - * tuner interval the configuration might have changed. */ - ant->flags &= ~ANTENNA_RX_DIVERSITY; - ant->flags &= ~ANTENNA_TX_DIVERSITY; - - if (rt2x00dev->default_ant.rx == ANTENNA_SW_DIVERSITY) - ant->flags |= ANTENNA_RX_DIVERSITY; - if (rt2x00dev->default_ant.tx == ANTENNA_SW_DIVERSITY) - ant->flags |= ANTENNA_TX_DIVERSITY; - if (!(ant->flags & ANTENNA_RX_DIVERSITY) && !(ant->flags & ANTENNA_TX_DIVERSITY)) { ant->flags = 0; diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index 6d1d383..93bec14 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -738,6 +738,71 @@ void rt2x00mac_flush(struct ieee80211_hw *hw, bool drop) } EXPORT_SYMBOL_GPL(rt2x00mac_flush); +int rt2x00mac_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant) +{ + struct rt2x00_dev *rt2x00dev = hw->priv; + struct link_ant *ant = &rt2x00dev->link.ant; + struct antenna_setup *def = &rt2x00dev->default_ant; + struct antenna_setup setup; + + // The antenna value is not supposed to be 0, + // or exceed the maximum number of antenna's. + if (!tx_ant || (tx_ant & ~3) || !rx_ant || (rx_ant & ~3)) + return -EINVAL; + + // When the client tried to configure the antenna to or from + // diversity mode, we must reset the default antenna as well + // as that controls the diversity switch. + if (ant->flags & ANTENNA_TX_DIVERSITY && tx_ant != 3) + ant->flags &= ~ANTENNA_TX_DIVERSITY; + if (ant->flags & ANTENNA_RX_DIVERSITY && rx_ant != 3) + ant->flags &= ~ANTENNA_RX_DIVERSITY; + + // If diversity is being enabled, check if we need hardware + // or software diversity. In the latter case, reset the value, + // and make sure we update the antenna flags to have the + // link tuner pick up the diversity tuning. + if (tx_ant == 3 && def->tx == ANTENNA_SW_DIVERSITY) { + tx_ant = ANTENNA_SW_DIVERSITY; + ant->flags |= ANTENNA_TX_DIVERSITY; + } + + if (rx_ant == 3 && def->rx == ANTENNA_SW_DIVERSITY) { + rx_ant = ANTENNA_SW_DIVERSITY; + ant->flags |= ANTENNA_RX_DIVERSITY; + } + + setup.tx = tx_ant; + setup.rx = rx_ant; + + rt2x00lib_config_antenna(rt2x00dev, setup); + + return 0; +} +EXPORT_SYMBOL_GPL(rt2x00mac_set_antenna); + +int rt2x00mac_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) +{ + struct rt2x00_dev *rt2x00dev = hw->priv; + struct link_ant *ant = &rt2x00dev->link.ant; + struct antenna_setup *active = &rt2x00dev->link.ant.active; + + // When software diversity is active, we must report this to the + // client and not the current active antenna state. + if (ant->flags & ANTENNA_TX_DIVERSITY) + *tx_ant = ANTENNA_HW_DIVERSITY; + else + *tx_ant = active->tx; + + if (ant->flags & ANTENNA_RX_DIVERSITY) + *rx_ant = ANTENNA_HW_DIVERSITY; + else + *rx_ant = active->rx; + + return 0; +} +EXPORT_SYMBOL_GPL(rt2x00mac_get_antenna); + void rt2x00mac_get_ringparam(struct ieee80211_hw *hw, u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) { diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index eb54031..9d35ec1 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -2979,6 +2979,8 @@ static const struct ieee80211_ops rt61pci_mac80211_ops = { .get_tsf = rt61pci_get_tsf, .rfkill_poll = rt2x00mac_rfkill_poll, .flush = rt2x00mac_flush, + .set_antenna = rt2x00mac_set_antenna, + .get_antenna = rt2x00mac_get_antenna, .get_ringparam = rt2x00mac_get_ringparam, }; diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index bf7fea4..a6ce7d6 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2310,6 +2310,8 @@ static const struct ieee80211_ops rt73usb_mac80211_ops = { .get_tsf = rt73usb_get_tsf, .rfkill_poll = rt2x00mac_rfkill_poll, .flush = rt2x00mac_flush, + .set_antenna = rt2x00mac_set_antenna, + .get_antenna = rt2x00mac_get_antenna, .get_ringparam = rt2x00mac_get_ringparam, }; |