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authorMichal Kazior <michal.kazior@tieto.com>2014-01-23 11:38:26 +0100
committerKalle Valo <kvalo@qca.qualcomm.com>2014-01-24 10:23:06 +0200
commitc2df44b39b31a730a89b13f7be90860d93d1f9d8 (patch)
treedfaead5c0b766dd055f02246591ad66442c516d7 /drivers/net/wireless/ath/ath10k
parentc930f744bdb0774ccf7c00e23637f54b8e71f0b6 (diff)
ath10k: implement AP CSA
Most channel switching logic has been implemented already so this patch is pretty small. The patch makes use of mac80211's vif->csa_active for AP CSA handling. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k')
-rw-r--r--drivers/net/wireless/ath/ath10k/mac.c10
-rw-r--r--drivers/net/wireless/ath/ath10k/wmi.c11
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 8fe451796fd..4bf5f19602e 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3818,6 +3818,14 @@ static int ath10k_set_bitrate_mask(struct ieee80211_hw *hw,
return ath10k_set_fixed_rate_param(arvif, fixed_rate, fixed_nss);
}
+static void ath10k_channel_switch_beacon(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_chan_def *chandef)
+{
+ /* there's no need to do anything here. vif->csa_active is enough */
+ return;
+}
+
static const struct ieee80211_ops ath10k_ops = {
.tx = ath10k_tx,
.start = ath10k_start,
@@ -3841,6 +3849,7 @@ static const struct ieee80211_ops ath10k_ops = {
.restart_complete = ath10k_restart_complete,
.get_survey = ath10k_get_survey,
.set_bitrate_mask = ath10k_set_bitrate_mask,
+ .channel_switch_beacon = ath10k_channel_switch_beacon,
#ifdef CONFIG_PM
.suspend = ath10k_suspend,
.resume = ath10k_resume,
@@ -4220,6 +4229,7 @@ int ath10k_mac_register(struct ath10k *ar)
ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+ ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
ar->hw->wiphy->max_remain_on_channel_duration = 5000;
ar->hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index f0969cd8350..a1ec5d0fb0e 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1405,6 +1405,17 @@ static void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb)
continue;
}
+ /* There are no completions for beacons so wait for next SWBA
+ * before telling mac80211 to decrement CSA counter
+ *
+ * Once CSA counter is completed stop sending beacons until
+ * actual channel switch is done */
+ if (arvif->vif->csa_active &&
+ ieee80211_csa_is_complete(arvif->vif)) {
+ ieee80211_csa_finish(arvif->vif);
+ continue;
+ }
+
bcn = ieee80211_beacon_get(ar->hw, arvif->vif);
if (!bcn) {
ath10k_warn("could not get mac80211 beacon\n");