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rtl8187: Remove deprecated 'qual' from returned RX status

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The qual member of ieee80211_rx_status is deprecated. As a result, this
driver no longer needs to calculate a quality value.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger 2009-11-05 00:09:51 -06:00 committed by John W. Linville
parent 715caaeb89
commit 70d9f405d0
2 changed files with 3 additions and 11 deletions
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1
drivers/net/wireless/rtl818x/rtl8187.h
View File

@ -119,7 +119,6 @@ struct rtl8187_priv {
} hw_rev;
struct sk_buff_head rx_queue;
u8 signal;
u8 quality;
u8 noise;
u8 slot_time;
u8 aifsn[4];

13
drivers/net/wireless/rtl818x/rtl8187_dev.c
View File

@ -320,7 +320,6 @@ static void rtl8187_rx_cb(struct urb *urb)
struct ieee80211_rx_status rx_status = { 0 };
int rate, signal;
u32 flags;
u32 quality;
unsigned long f;
spin_lock_irqsave(&priv->rx_queue.lock, f);
@ -338,10 +337,9 @@ static void rtl8187_rx_cb(struct urb *urb)
(typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr));
flags = le32_to_cpu(hdr->flags);
/* As with the RTL8187B below, the AGC is used to calculate
* signal strength and quality. In this case, the scaling
* signal strength. In this case, the scaling
* constants are derived from the output of p54usb.
*/
quality = 130 - ((41 * hdr->agc) >> 6);
signal = -4 - ((27 * hdr->agc) >> 6);
rx_status.antenna = (hdr->signal >> 7) & 1;
rx_status.mactime = le64_to_cpu(hdr->mac_time);
@ -354,23 +352,18 @@ static void rtl8187_rx_cb(struct urb *urb)
* In testing, none of these quantities show qualitative
* agreement with AP signal strength, except for the AGC,
* which is inversely proportional to the strength of the
* signal. In the following, the quality and signal strength
* are derived from the AGC. The arbitrary scaling constants
* signal. In the following, the signal strength
* is derived from the AGC. The arbitrary scaling constants
* are chosen to make the results close to the values obtained
* for a BCM4312 using b43 as the driver. The noise is ignored
* for now.
*/
flags = le32_to_cpu(hdr->flags);
quality = 170 - hdr->agc;
signal = 14 - hdr->agc / 2;
rx_status.antenna = (hdr->rssi >> 7) & 1;
rx_status.mactime = le64_to_cpu(hdr->mac_time);
}
if (quality > 100)
quality = 100;
rx_status.qual = quality;
priv->quality = quality;
rx_status.signal = signal;
priv->signal = signal;
rate = (flags >> 20) & 0xF;