diff options
| author | Thomas Pedersen <c_tpeder@qca.qualcomm.com> | 2012-06-21 23:50:08 +0400 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2012-10-24 12:49:31 +0400 |
| commit | 85b20fc2420c4d20729f3bbdbfe5962dcc58c3b0 (patch) | |
| tree | 0bdc0b3837b710af6d895c6a06007e9a06a47bb5 /drivers/net/wireless/ath/ath6kl/cfg80211.c | |
| parent | 9b34f40c20111ba658f88e1669598db494be1fbc (diff) | |
| download | linux-85b20fc2420c4d20729f3bbdbfe5962dcc58c3b0.tar.xz | |
ath6kl: support rssi threshold for sched scan
The ath6kl firmware can filter scan results based on rssi. This is
useful to limit hosts wakeups on scheduled scans.
Signed-off-by: Thomas Pedersen <c_tpeder@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath6kl/cfg80211.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath6kl/cfg80211.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 277089963eb4..a5f3d6e54708 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -3211,7 +3211,7 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, struct ath6kl *ar = ath6kl_priv(dev); struct ath6kl_vif *vif = netdev_priv(dev); u16 interval; - int ret; + int ret, rssi_thold; if (ar->state != ATH6KL_STATE_ON) return -EIO; @@ -3244,6 +3244,23 @@ static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy, return ret; } + if (test_bit(ATH6KL_FW_CAPABILITY_RSSI_SCAN_THOLD, + ar->fw_capabilities)) { + if (request->rssi_thold <= NL80211_SCAN_RSSI_THOLD_OFF) + rssi_thold = 0; + else if (request->rssi_thold < -127) + rssi_thold = -127; + else + rssi_thold = request->rssi_thold; + + ret = ath6kl_wmi_set_rssi_filter_cmd(ar->wmi, vif->fw_vif_idx, + rssi_thold); + if (ret) { + ath6kl_err("failed to set RSSI threshold for scan\n"); + return ret; + } + } + /* fw uses seconds, also make sure that it's >0 */ interval = max_t(u16, 1, request->interval / 1000); |