aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath5k
diff options
context:
space:
mode:
authorLuis R. Rodriguez <lrodriguez@atheros.com>2008-10-13 14:08:10 -0700
committerJohn W. Linville <linville@tuxdriver.com>2008-10-31 19:00:20 -0400
commit6e0e0bf80c963d83f511e1cda652630cf31ebf85 (patch)
tree3c9a28b4ba58cd7d51b659953214b5d93e4122cb /drivers/net/wireless/ath5k
parentc49d154a800c55b8948e6d34563e593b500b31b9 (diff)
ath5k: correct ath5k signal quality
This adjusts ath5k's signal quality reporting taking into consideration received beacons at an RSSI of 35 should indicate you can use of 54 Mbps on a single stream card (all ath5k cards) reliably. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath5k')
-rw-r--r--drivers/net/wireless/ath5k/base.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index c98380845fa..b1e9a47c1c5 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -1778,7 +1778,17 @@ accept:
rxs.noise = sc->ah->ah_noise_floor;
rxs.signal = rxs.noise + rs.rs_rssi;
- rxs.qual = rs.rs_rssi * 100 / 64;
+
+ /* An rssi of 35 indicates you should be able use
+ * 54 Mbps reliably. A more elaborate scheme can be used
+ * here but it requires a map of SNR/throughput for each
+ * possible mode used */
+ rxs.qual = rs.rs_rssi * 100 / 35;
+
+ /* rssi can be more than 35 though, anything above that
+ * should be considered at 100% */
+ if (rxs.qual > 100)
+ rxs.qual = 100;
rxs.antenna = rs.rs_antenna;
rxs.rate_idx = ath5k_hw_to_driver_rix(sc, rs.rs_rate);