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iwlwifi: mvm: Add support for different ROC types

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Schedule different time event based on the ROC type

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2013-02-13 11:05:18 +02:00 committed by Johannes Berg
parent fc8fed0eae
commit e635c797b3
3 changed files with 24 additions and 17 deletions
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2
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -1161,7 +1161,7 @@ static int iwl_mvm_roc(struct ieee80211_hw *hw,
&chandef, 1, 1);
/* Schedule the time events */
ret = iwl_mvm_start_p2p_roc(mvm, vif, duration);
ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
mutex_unlock(&mvm->mutex);
IWL_DEBUG_MAC80211(mvm, "leave\n");

36
drivers/net/wireless/iwlwifi/mvm/time-event.c
View File

@ -76,14 +76,12 @@
#define TU_TO_JIFFIES(_tu) (usecs_to_jiffies((_tu) * 1024))
#define MSEC_TO_TU(_msec) (_msec*1000/1024)
/* For ROC use a TE type which has priority high enough to be scheduled when
* there is a concurrent BSS or GO/AP. Currently, use a TE type that has
* priority similar to the TE priority used for action scans by the FW.
* TODO: This needs to be changed, based on the reason for the ROC, i.e., use
* TE_P2P_DEVICE_DISCOVERABLE for remain on channel without mgmt skb, and use
* TE_P2P_DEVICE_ACTION_SCAN
/*
* For the high priority TE use a time event type that has similar priority to
* the FW's action scan priority.
*/
#define IWL_MVM_ROC_TE_TYPE TE_P2P_DEVICE_ACTION_SCAN
#define IWL_MVM_ROC_TE_TYPE_NORMAL TE_P2P_DEVICE_DISCOVERABLE
#define IWL_MVM_ROC_TE_TYPE_MGMT_TX TE_P2P_CLIENT_ASSOC
void iwl_mvm_te_clear_data(struct iwl_mvm *mvm,
struct iwl_mvm_time_event_data *te_data)
@ -438,7 +436,7 @@ void iwl_mvm_stop_session_protection(struct iwl_mvm *mvm,
}
int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
int duration)
int duration, enum ieee80211_roc_type type)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data;
@ -459,21 +457,29 @@ int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD);
time_cmd.id_and_color =
cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color));
time_cmd.id = cpu_to_le32(IWL_MVM_ROC_TE_TYPE);
switch (type) {
case IEEE80211_ROC_TYPE_NORMAL:
time_cmd.id = cpu_to_le32(IWL_MVM_ROC_TE_TYPE_NORMAL);
break;
case IEEE80211_ROC_TYPE_MGMT_TX:
time_cmd.id = cpu_to_le32(IWL_MVM_ROC_TE_TYPE_MGMT_TX);
break;
default:
WARN_ONCE(1, "Got an invalid ROC type\n");
return -EINVAL;
}
time_cmd.apply_time = cpu_to_le32(0);
time_cmd.dep_policy = cpu_to_le32(TE_INDEPENDENT);
time_cmd.is_present = cpu_to_le32(1);
time_cmd.interval = cpu_to_le32(1);
/*
* IWL_MVM_ROC_TE_TYPE can have lower priority than other events
* The P2P Device TEs can have lower priority than other events
* that are being scheduled by the driver/fw, and thus it might not be
* scheduled. To improve the chances of it being scheduled, allow it to
* be fragmented.
* In addition, for the same reasons, allow to delay the scheduling of
* the time event.
* scheduled. To improve the chances of it being scheduled, allow them
* to be fragmented, and in addition allow them to be delayed.
*/
time_cmd.max_frags = cpu_to_le32(MSEC_TO_TU(duration)/20);
time_cmd.max_delay = cpu_to_le32(MSEC_TO_TU(duration/2));

3
drivers/net/wireless/iwlwifi/mvm/time-event.h
View File

@ -162,6 +162,7 @@ int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm,
* that the vif type is NL80211_IFTYPE_P2P_DEVICE
* @duration: the requested duration in millisecond for the fw to be on the
* channel that is bound to the vif.
* @type: the remain on channel request type
*
* This function can be used to issue a remain on channel session,
* which means that the fw will stay in the channel for the request %duration
@ -172,7 +173,7 @@ int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm,
* another notification to the driver.
*/
int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
int duration);
int duration, enum ieee80211_roc_type type);
/**
* iwl_mvm_stop_p2p_roc - stop remain on channel for p2p device functionlity