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authorLarry Finger <Larry.Finger@lwfinger.net>2008-07-28 22:25:08 -0500
committerJohn W. Linville <linville@tuxdriver.com>2008-07-29 16:55:08 -0400
commit0ccd58fc03f40529f66190b1a41e92a732d2bda8 (patch)
tree6b1cb0b32489a2ef00f654be896744816f6a5a5c /drivers/watchdog/mpc8xx_wdt.c
parent1f690d7b549ef9c7424536475501885dd5b54930 (diff)
rtl8187: Improve wireless statistics for RTL8187B
Wireless statistics produced by the RTL8187B driver are not particularly informative about the strength of the received signal. From the data sheet provided by Realtek, I discovered that certain parts of the RX header should have the information necessary to calculate signal quality and strength. With testing, it became clear that most of these quantities were very jittery - only the AGC correlated with the signals expected from nearby AP's. As a result, the quality and strength are derived from the agc value. The scaling has been determined so that the numbers are close to those obtained by b43 under the same conditions. The results are qualitatively correct. Statistics derived for the RTL8187 have not been changed. The RX header variables have been renamed to match the quantites described in the Realtek data sheet. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/watchdog/mpc8xx_wdt.c')
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