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-rw-r--r--drivers/net/wireless/ath/ath9k/main.c3
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c6
-rw-r--r--include/net/mac80211.h5
-rw-r--r--net/mac80211/driver-ops.h8
-rw-r--r--net/mac80211/mlme.c17
-rw-r--r--net/mac80211/trace.h25
6 files changed, 49 insertions, 15 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index a3be8ad..b6663c8 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2544,7 +2544,8 @@ static void ath9k_unassign_vif_chanctx(struct ieee80211_hw *hw,
}
static void ath9k_mgd_prepare_tx(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
+ struct ieee80211_vif *vif,
+ u16 duration)
{
struct ath_softc *sc = hw->priv;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 5f0701c..ec91dd9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -2844,7 +2844,8 @@ static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
}
static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
+ struct ieee80211_vif *vif,
+ u16 req_duration)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
u32 duration = IWL_MVM_TE_SESSION_PROTECTION_MAX_TIME_MS;
@@ -2857,6 +2858,9 @@ static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX))
return;
+ if (req_duration > duration)
+ duration = req_duration;
+
mutex_lock(&mvm->mutex);
/* Try really hard to protect the session and hear a beacon */
iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 604d738..851a5e1 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -3378,6 +3378,8 @@ enum ieee80211_reconfig_type {
* frame in case that no beacon was heard from the AP/P2P GO.
* The callback will be called before each transmission and upon return
* mac80211 will transmit the frame right away.
+ * If duration is greater than zero, mac80211 hints to the driver the
+ * duration for which the operation is requested.
* The callback is optional and can (should!) sleep.
*
* @mgd_protect_tdls_discover: Protect a TDLS discovery session. After sending
@@ -3697,7 +3699,8 @@ struct ieee80211_ops {
u32 sset, u8 *data);
void (*mgd_prepare_tx)(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif);
+ struct ieee80211_vif *vif,
+ u16 duration);
void (*mgd_protect_tdls_discover)(struct ieee80211_hw *hw,
struct ieee80211_vif *vif);
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 4d82fe7..8f69980 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -2,6 +2,7 @@
/*
* Portions of this file
* Copyright(c) 2016 Intel Deutschland GmbH
+* Copyright (C) 2018 Intel Corporation
*/
#ifndef __MAC80211_DRIVER_OPS
@@ -813,7 +814,8 @@ drv_allow_buffered_frames(struct ieee80211_local *local,
}
static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata)
+ struct ieee80211_sub_if_data *sdata,
+ u16 duration)
{
might_sleep();
@@ -821,9 +823,9 @@ static inline void drv_mgd_prepare_tx(struct ieee80211_local *local,
return;
WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION);
- trace_drv_mgd_prepare_tx(local, sdata);
+ trace_drv_mgd_prepare_tx(local, sdata, duration);
if (local->ops->mgd_prepare_tx)
- local->ops->mgd_prepare_tx(&local->hw, &sdata->vif);
+ local->ops->mgd_prepare_tx(&local->hw, &sdata->vif, duration);
trace_drv_return_void(local);
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 2330687..a59187c 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -864,7 +864,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
return;
}
- drv_mgd_prepare_tx(local, sdata);
+ drv_mgd_prepare_tx(local, sdata, 0);
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
@@ -2022,7 +2022,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
*/
if (ieee80211_hw_check(&local->hw, DEAUTH_NEED_MGD_TX_PREP) &&
!ifmgd->have_beacon)
- drv_mgd_prepare_tx(sdata->local, sdata);
+ drv_mgd_prepare_tx(sdata->local, sdata, 0);
ieee80211_send_deauth_disassoc(sdata, ifmgd->bssid, stype,
reason, tx, frame_buf);
@@ -2560,7 +2560,7 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
if (!elems.challenge)
return;
auth_data->expected_transaction = 4;
- drv_mgd_prepare_tx(sdata->local, sdata);
+ drv_mgd_prepare_tx(sdata->local, sdata, 0);
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;
@@ -3769,6 +3769,7 @@ static int ieee80211_auth(struct ieee80211_sub_if_data *sdata)
u32 tx_flags = 0;
u16 trans = 1;
u16 status = 0;
+ u16 prepare_tx_duration = 0;
sdata_assert_lock(sdata);
@@ -3790,7 +3791,11 @@ static int ieee80211_auth(struct ieee80211_sub_if_data *sdata)
return -ETIMEDOUT;
}
- drv_mgd_prepare_tx(local, sdata);
+ if (auth_data->algorithm == WLAN_AUTH_SAE)
+ prepare_tx_duration =
+ jiffies_to_msecs(IEEE80211_AUTH_TIMEOUT_SAE);
+
+ drv_mgd_prepare_tx(local, sdata, prepare_tx_duration);
sdata_info(sdata, "send auth to %pM (try %d/%d)\n",
auth_data->bss->bssid, auth_data->tries,
@@ -4994,7 +4999,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
req->bssid, req->reason_code,
ieee80211_get_reason_code_string(req->reason_code));
- drv_mgd_prepare_tx(sdata->local, sdata);
+ drv_mgd_prepare_tx(sdata->local, sdata, 0);
ieee80211_send_deauth_disassoc(sdata, req->bssid,
IEEE80211_STYPE_DEAUTH,
req->reason_code, tx,
@@ -5014,7 +5019,7 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
req->bssid, req->reason_code,
ieee80211_get_reason_code_string(req->reason_code));
- drv_mgd_prepare_tx(sdata->local, sdata);
+ drv_mgd_prepare_tx(sdata->local, sdata, 0);
ieee80211_send_deauth_disassoc(sdata, req->bssid,
IEEE80211_STYPE_DEAUTH,
req->reason_code, tx,
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 591ad02..80a7edf 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -2,6 +2,7 @@
/*
* Portions of this file
* Copyright(c) 2016 Intel Deutschland GmbH
+* Copyright (C) 2018 Intel Corporation
*/
#if !defined(__MAC80211_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
@@ -1413,11 +1414,29 @@ DEFINE_EVENT(release_evt, drv_allow_buffered_frames,
TP_ARGS(local, sta, tids, num_frames, reason, more_data)
);
-DEFINE_EVENT(local_sdata_evt, drv_mgd_prepare_tx,
+TRACE_EVENT(drv_mgd_prepare_tx,
TP_PROTO(struct ieee80211_local *local,
- struct ieee80211_sub_if_data *sdata),
+ struct ieee80211_sub_if_data *sdata,
+ u16 duration),
- TP_ARGS(local, sdata)
+ TP_ARGS(local, sdata, duration),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ VIF_ENTRY
+ __field(u32, duration)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ VIF_ASSIGN;
+ __entry->duration = duration;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT VIF_PR_FMT " duration: %u",
+ LOCAL_PR_ARG, VIF_PR_ARG, __entry->duration
+ )
);
DEFINE_EVENT(local_sdata_evt, drv_mgd_protect_tdls_discover,
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