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iwlwifi: dvm: remove P2P support

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We're not planning to support P2P on older devices, so
remove the Kconfig option and associated code for it.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2013-07-01 13:48:56 +02:00
parent 03e304e4e7
commit da4f87f088
8 changed files with 3 additions and 391 deletions
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105
drivers/net/wireless/iwlwifi/dvm/scan.c
View File

@@ -100,9 +100,6 @@ static void iwl_complete_scan(struct iwl_priv *priv, bool aborted)
ieee80211_scan_completed(priv->hw, aborted);
}
if (priv->scan_type == IWL_SCAN_ROC)
iwl_scan_roc_expired(priv);
priv->scan_type = IWL_SCAN_NORMAL;
priv->scan_vif = NULL;
priv->scan_request = NULL;
@@ -130,9 +127,6 @@ static void iwl_process_scan_complete(struct iwl_priv *priv)
goto out_settings;
}
if (priv->scan_type == IWL_SCAN_ROC)
iwl_scan_roc_expired(priv);
if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) {
int err;
@@ -284,12 +278,6 @@ static int iwl_rx_scan_start_notif(struct iwl_priv *priv,
le32_to_cpu(notif->tsf_low),
notif->status, notif->beacon_timer);
if (priv->scan_type == IWL_SCAN_ROC &&
!priv->hw_roc_start_notified) {
ieee80211_ready_on_channel(priv->hw);
priv->hw_roc_start_notified = true;
}
return 0;
}
@@ -697,8 +685,7 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH;
scan->quiet_time = IWL_ACTIVE_QUIET_TIME;
if (priv->scan_type != IWL_SCAN_ROC &&
iwl_is_any_associated(priv)) {
if (iwl_is_any_associated(priv)) {
u16 interval = 0;
u32 extra;
u32 suspend_time = 100;
@@ -706,9 +693,6 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
IWL_DEBUG_INFO(priv, "Scanning while associated...\n");
switch (priv->scan_type) {
case IWL_SCAN_ROC:
WARN_ON(1);
break;
case IWL_SCAN_RADIO_RESET:
interval = 0;
break;
@@ -728,11 +712,6 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
scan->suspend_time = cpu_to_le32(scan_suspend_time);
IWL_DEBUG_SCAN(priv, "suspend_time 0x%X beacon interval %d\n",
scan_suspend_time, interval);
} else if (priv->scan_type == IWL_SCAN_ROC) {
scan->suspend_time = 0;
scan->max_out_time = 0;
scan->quiet_time = 0;
scan->quiet_plcp_th = 0;
}
switch (priv->scan_type) {
@@ -774,9 +753,6 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
} else
IWL_DEBUG_SCAN(priv, "Start passive scan.\n");
break;
case IWL_SCAN_ROC:
IWL_DEBUG_SCAN(priv, "Start ROC scan.\n");
break;
}
scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
@@ -898,7 +874,6 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
scan_cmd_size - sizeof(*scan));
break;
case IWL_SCAN_RADIO_RESET:
case IWL_SCAN_ROC:
/* use bcast addr, will not be transmitted but must be valid */
cmd_len = iwl_fill_probe_req(
(struct ieee80211_mgmt *)scan->data,
@@ -926,46 +901,6 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
is_active, n_probes,
(void *)&scan->data[cmd_len]);
break;
case IWL_SCAN_ROC: {
struct iwl_scan_channel *scan_ch;
int n_chan, i;
u16 dwell;
dwell = iwl_limit_dwell(priv, priv->hw_roc_duration);
n_chan = DIV_ROUND_UP(priv->hw_roc_duration, dwell);
scan->channel_count = n_chan;
scan_ch = (void *)&scan->data[cmd_len];
for (i = 0; i < n_chan; i++) {
scan_ch->type = SCAN_CHANNEL_TYPE_PASSIVE;
scan_ch->channel =
cpu_to_le16(priv->hw_roc_channel->hw_value);
if (i == n_chan - 1)
dwell = priv->hw_roc_duration - i * dwell;
scan_ch->active_dwell =
scan_ch->passive_dwell = cpu_to_le16(dwell);
/* Set txpower levels to defaults */
scan_ch->dsp_atten = 110;
/* NOTE: if we were doing 6Mb OFDM for scans we'd use
* power level:
* scan_ch->tx_gain = ((1 << 5) | (2 << 3)) | 3;
*/
if (priv->hw_roc_channel->band == IEEE80211_BAND_5GHZ)
scan_ch->tx_gain = ((1 << 5) | (3 << 3)) | 3;
else
scan_ch->tx_gain = ((1 << 5) | (5 << 3));
scan_ch++;
}
}
break;
}
if (scan->channel_count == 0) {
@@ -1035,7 +970,6 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv,
IWL_DEBUG_SCAN(priv, "Starting %sscan...\n",
scan_type == IWL_SCAN_NORMAL ? "" :
scan_type == IWL_SCAN_ROC ? "remain-on-channel " :
"internal short ");
set_bit(STATUS_SCANNING, &priv->status);
@@ -1149,40 +1083,3 @@ void iwl_cancel_scan_deferred_work(struct iwl_priv *priv)
mutex_unlock(&priv->mutex);
}
}
void iwl_scan_roc_expired(struct iwl_priv *priv)
{
/*
* The status bit should be set here, to prevent a race
* where the atomic_read returns 1, but before the execution continues
* iwl_scan_offchannel_skb_status() checks if the status bit is set
*/
set_bit(STATUS_SCAN_ROC_EXPIRED, &priv->status);
if (atomic_read(&priv->num_aux_in_flight) == 0) {
ieee80211_remain_on_channel_expired(priv->hw);
priv->hw_roc_channel = NULL;
schedule_delayed_work(&priv->hw_roc_disable_work,
10 * HZ);
clear_bit(STATUS_SCAN_ROC_EXPIRED, &priv->status);
} else {
IWL_DEBUG_SCAN(priv, "ROC done with %d frames in aux\n",
atomic_read(&priv->num_aux_in_flight));
}
}
void iwl_scan_offchannel_skb(struct iwl_priv *priv)
{
WARN_ON(!priv->hw_roc_start_notified);
atomic_inc(&priv->num_aux_in_flight);
}
void iwl_scan_offchannel_skb_status(struct iwl_priv *priv)
{
if (atomic_dec_return(&priv->num_aux_in_flight) == 0 &&
test_bit(STATUS_SCAN_ROC_EXPIRED, &priv->status)) {
IWL_DEBUG_SCAN(priv, "0 aux frames. Calling ROC expired\n");
iwl_scan_roc_expired(priv);
}
}