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mac80211: move U-APSD enablement to vif flags 

In order to let drivers have more dynamic U-APSD support,
move the enablement flag to the virtual interface driver
flags. This lets drivers not only set it up differently
for different interfaces, but also enable/disable on the
fly if needed.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2014-11-11 12:48:42 +01:00
Родитель 4bcc56bb3a
Коммит 848955ccf0
10 изменённых файлов: 25 добавлений и 28 удалений
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3
drivers/net/wireless/ath/ath10k/mac.c
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@ -2871,6 +2871,8 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
int bit;
u32 vdev_param;
vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
mutex_lock(&ar->conf_mutex);
memset(arvif, 0, sizeof(*arvif));
@ -5024,7 +5026,6 @@ int ath10k_mac_register(struct ath10k *ar)
ar->hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
IEEE80211_HW_SUPPORTS_UAPSD |
IEEE80211_HW_MFP_CAPABLE |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_HAS_RATE_CONTROL |

1
drivers/net/wireless/cw1200/main.c
Просмотреть файл

@ -282,7 +282,6 @@ static struct ieee80211_hw *cw1200_init_common(const u8 *macaddr,
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |
IEEE80211_HW_SUPPORTS_UAPSD |
IEEE80211_HW_CONNECTION_MONITOR |
IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_TX_AMPDU_SETUP_IN_HW |

1
drivers/net/wireless/cw1200/sta.c
Просмотреть файл

@ -213,6 +213,7 @@ int cw1200_add_interface(struct ieee80211_hw *dev,
/* __le32 auto_calibration_mode = __cpu_to_le32(1); */
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_UAPSD |
IEEE80211_VIF_SUPPORTS_CQM_RSSI;
mutex_lock(&priv->conf_mutex);

13
drivers/net/wireless/iwlwifi/mvm/mac80211.c
Просмотреть файл

@ -326,6 +326,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
hw->radiotap_vht_details |= IEEE80211_RADIOTAP_VHT_KNOWN_STBC |
IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED;
hw->rate_control_algorithm = "iwl-mvm-rs";
hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
/*
* Enable 11w if advertised by firmware and software crypto
@ -336,13 +338,6 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
!iwlwifi_mod_params.sw_crypto)
hw->flags |= IEEE80211_HW_MFP_CAPABLE;
if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT &&
!iwlwifi_mod_params.uapsd_disable) {
hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD;
hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
}
if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN ||
mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN) {
hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS;
@ -1147,6 +1142,10 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
mvm->bf_allowed_vif = mvmvif;
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_CQM_RSSI;
if (mvm->fw->ucode_capa.flags &
IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT &&
!iwlwifi_mod_params.uapsd_disable)
vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
}
/*

5
drivers/net/wireless/ti/wl1251/main.c
Просмотреть файл

@ -500,6 +500,7 @@ static int wl1251_op_add_interface(struct ieee80211_hw *hw,
int ret = 0;
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_UAPSD |
IEEE80211_VIF_SUPPORTS_CQM_RSSI;
wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
@ -1480,9 +1481,7 @@ int wl1251_init_ieee80211(struct wl1251 *wl)
/* unit us */
/* FIXME: find a proper value */
wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_UAPSD;
wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_SUPPORTS_PS;
wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC);

2
drivers/net/wireless/ti/wlcore/main.c
Просмотреть файл

@ -2508,6 +2508,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
}
vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER |
IEEE80211_VIF_SUPPORTS_UAPSD |
IEEE80211_VIF_SUPPORTS_CQM_RSSI;
wl1271_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM",
@ -5776,7 +5777,6 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
wl->hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
IEEE80211_HW_SUPPORTS_UAPSD |
IEEE80211_HW_HAS_RATE_CONTROL |
IEEE80211_HW_CONNECTION_MONITOR |
IEEE80211_HW_REPORTS_TX_ACK_STATUS |

15
include/net/mac80211.h
Просмотреть файл

@ -1187,10 +1187,15 @@ struct ieee80211_channel_switch {
* monitoring on this virtual interface -- i.e. it can monitor
* connection quality related parameters, such as the RSSI level and
* provide notifications if configured trigger levels are reached.
* @IEEE80211_VIF_SUPPORTS_UAPSD: The device can do U-APSD for this
* interface. This flag should be set during interface addition,
* but may be set/cleared as late as authentication to an AP. It is
* only valid for managed/station mode interfaces.
*/
enum ieee80211_vif_flags {
IEEE80211_VIF_BEACON_FILTER = BIT(0),
IEEE80211_VIF_SUPPORTS_CQM_RSSI = BIT(1),
IEEE80211_VIF_SUPPORTS_UAPSD = BIT(2),
};
/**
@ -1589,11 +1594,6 @@ struct ieee80211_tx_control {
* @IEEE80211_HW_MFP_CAPABLE:
* Hardware supports management frame protection (MFP, IEEE 802.11w).
*
* @IEEE80211_HW_SUPPORTS_UAPSD:
* Hardware supports Unscheduled Automatic Power Save Delivery
* (U-APSD) in managed mode. The mode is configured with
* conf_tx() operation.
*
* @IEEE80211_HW_REPORTS_TX_ACK_STATUS:
* Hardware can provide ack status reports of Tx frames to
* the stack.
@ -1679,8 +1679,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_MFP_CAPABLE = 1<<13,
IEEE80211_HW_WANT_MONITOR_VIF = 1<<14,
IEEE80211_HW_NO_AUTO_VIF = 1<<15,
/* free slot */
IEEE80211_HW_SUPPORTS_UAPSD = 1<<17,
/* free slots */
IEEE80211_HW_REPORTS_TX_ACK_STATUS = 1<<18,
IEEE80211_HW_CONNECTION_MONITOR = 1<<19,
IEEE80211_HW_QUEUE_CONTROL = 1<<20,
@ -2032,7 +2031,7 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
* enabled whenever user has enabled powersave.
*
* Driver informs U-APSD client support by enabling
* %IEEE80211_HW_SUPPORTS_UAPSD flag. The mode is configured through the
* %IEEE80211_VIF_SUPPORTS_UAPSD flag. The mode is configured through the
* uapsd parameter in conf_tx() operation. Hardware needs to send the QoS
* Nullfunc frames and stay awake until the service period has ended. To
* utilize U-APSD, dynamic powersave is disabled for voip AC and all frames

2
net/mac80211/debugfs.c
Просмотреть файл

@ -303,8 +303,6 @@ static ssize_t hwflags_read(struct file *file, char __user *user_buf,
sf += scnprintf(buf + sf, mxln - sf, "SUPPORTS_DYNAMIC_PS\n");
if (local->hw.flags & IEEE80211_HW_MFP_CAPABLE)
sf += scnprintf(buf + sf, mxln - sf, "MFP_CAPABLE\n");
if (local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)
sf += scnprintf(buf + sf, mxln - sf, "SUPPORTS_UAPSD\n");
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
sf += scnprintf(buf + sf, mxln - sf,
"REPORTS_TX_ACK_STATUS\n");

4
net/mac80211/main.c
Просмотреть файл

@ -916,10 +916,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
}
}
WARN((local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)
&& (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK),
"U-APSD not supported with HW_PS_NULLFUNC_STACK\n");
/*
* Calculate scan IE length -- we need this to alloc
* memory and to subtract from the driver limit. It

7
net/mac80211/mlme.c
Просмотреть файл

@ -4667,8 +4667,13 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
rcu_read_unlock();
if (WARN((sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_UAPSD) &&
(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK),
"U-APSD not supported with HW_PS_NULLFUNC_STACK\n"))
sdata->vif.driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
if (bss->wmm_used && bss->uapsd_supported &&
(sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)) {
(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_UAPSD)) {
assoc_data->uapsd = true;
ifmgd->flags |= IEEE80211_STA_UAPSD_ENABLED;
} else {