diff options
| author | John W. Linville <linville@tuxdriver.com> | 2010-07-19 16:35:20 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-07-20 16:53:09 -0400 |
| commit | 8b74964c73ca9eed7078388d871cc7fae973cb63 (patch) | |
| tree | 0fe432bb9425d9418b7169a9763633d79d14b94f /drivers/net/wireless | |
| parent | b603742f49c3ec922522602e18ac22e8f6835132 (diff) | |
rtl8180: improve signal reporting for rtl8185 hardware
The existing code seemed to be somewhat based on the datasheet, but
varied substantially from the vendor-provided driver. This mirrors the
handling of the rtl8185 case from that driver, but still neglects the
specifics for the rtl8180 hardware. Those details are a bit muddled...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/rtl818x/rtl8180_dev.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/rtl818x/rtl8180_dev.c b/drivers/net/wireless/rtl818x/rtl8180_dev.c index 42705028751..31808f96a3d 100644 --- a/drivers/net/wireless/rtl818x/rtl8180_dev.c +++ b/drivers/net/wireless/rtl818x/rtl8180_dev.c @@ -103,6 +103,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) { struct rtl8180_priv *priv = dev->priv; unsigned int count = 32; + u8 signal; while (count--) { struct rtl8180_rx_desc *entry = &priv->rx_ring[priv->rx_idx]; @@ -130,10 +131,14 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) skb_put(skb, flags & 0xFFF); rx_status.antenna = (flags2 >> 15) & 1; - /* TODO: improve signal/rssi reporting */ - rx_status.signal = (flags2 >> 8) & 0x7F; - /* XXX: is this correct? */ rx_status.rate_idx = (flags >> 20) & 0xF; + /* TODO: improve signal/rssi reporting for !rtl8185 */ + signal = (flags2 >> 17) & 0x7F; + if (rx_status.rate_idx > 3) + signal = 90 - clamp_t(u8, signal, 25, 90); + else + signal = 95 - clamp_t(u8, signal, 30, 95); + rx_status.signal = signal; rx_status.freq = dev->conf.channel->center_freq; rx_status.band = dev->conf.channel->band; rx_status.mactime = le64_to_cpu(entry->tsft); |