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ath10k: implement AP CSA

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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>
This commit is contained in:
Michal Kazior 2014-01-23 11:38:26 +01:00 committed by Kalle Valo
parent c930f744bd
commit c2df44b39b
2 changed files with 21 additions and 0 deletions
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10
drivers/net/wireless/ath/ath10k/mac.c
View File

@ -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;

11
drivers/net/wireless/ath/ath10k/wmi.c
View File

@ -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");