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mac80211: convert HW flags to unsigned long bitmap

Просмотр исходного кода 
As we're running out of hardware capability flags pretty quickly,
convert them to use the regular test_bit() style unsigned long
bitmaps.

This introduces a number of helper functions/macros to set and to
test the bits, along with new debugfs code.

The occurrences of an explicit __clear_bit() are intentional, the
drivers were never supposed to change their supported bits on the
fly. We should investigate changing this to be a per-frame flag.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Этот коммит содержится в:
Johannes Berg
2015-06-02 21:39:54 +02:00
родитель 206c59d1d7
Коммит 30686bf7f5
59 изменённых файлов: 446 добавлений и 422 удалений
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63
net/mac80211/mlme.c
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@@ -118,7 +118,7 @@ void ieee80211_sta_reset_beacon_monitor(struct ieee80211_sub_if_data *sdata)
if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
return;
if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
if (ieee80211_hw_check(&sdata->local->hw, CONNECTION_MONITOR))
return;
mod_timer(&sdata->u.mgd.bcn_mon_timer,
@@ -134,7 +134,7 @@ void ieee80211_sta_reset_conn_monitor(struct ieee80211_sub_if_data *sdata)
ifmgd->probe_send_count = 0;
if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
if (ieee80211_hw_check(&sdata->local->hw, CONNECTION_MONITOR))
return;
mod_timer(&sdata->u.mgd.conn_mon_timer,
@@ -677,7 +677,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
capab |= WLAN_CAPABILITY_PRIVACY;
if ((assoc_data->capability & WLAN_CAPABILITY_SPECTRUM_MGMT) &&
(local->hw.flags & IEEE80211_HW_SPECTRUM_MGMT))
ieee80211_hw_check(&local->hw, SPECTRUM_MGMT))
capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
if (ifmgd->flags & IEEE80211_STA_ENABLE_RRM)
@@ -885,7 +885,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
drv_mgd_prepare_tx(local, sdata);
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;
ieee80211_tx_skb(sdata, skb);
@@ -927,7 +927,7 @@ void ieee80211_send_nullfunc(struct ieee80211_local *local,
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT |
IEEE80211_TX_INTFL_OFFCHAN_TX_OK;
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
if (ifmgd->flags & IEEE80211_STA_CONNECTION_POLL)
@@ -1198,7 +1198,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
chanctx = container_of(conf, struct ieee80211_chanctx, conf);
if (local->use_chanctx &&
!(local->hw.flags & IEEE80211_HW_CHANCTX_STA_CSA)) {
!ieee80211_hw_check(&local->hw, CHANCTX_STA_CSA)) {
sdata_info(sdata,
"driver doesn't support chan-switch with channel contexts\n");
goto drop_connection;
@@ -1407,15 +1407,15 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
return;
if (conf->dynamic_ps_timeout > 0 &&
!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)) {
!ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS)) {
mod_timer(&local->dynamic_ps_timer, jiffies +
msecs_to_jiffies(conf->dynamic_ps_timeout));
} else {
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))
ieee80211_send_nullfunc(local, sdata, 1);
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
return;
conf->flags |= IEEE80211_CONF_PS;
@@ -1474,7 +1474,7 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
int count = 0;
int timeout;
if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) {
if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS)) {
local->ps_sdata = NULL;
return;
}
@@ -1620,7 +1620,7 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
}
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
if (drv_tx_frames_pending(local)) {
mod_timer(&local->dynamic_ps_timer, jiffies +
@@ -1633,8 +1633,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
}
}
if (!((local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) &&
(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) ||
if (!(ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS) &&
ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK)) ||
(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
local->hw.conf.flags |= IEEE80211_CONF_PS;
@@ -2159,7 +2159,7 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata)
ieee80211_recalc_ps(local, -1);
mutex_unlock(&local->iflist_mtx);
if (sdata->local->hw.flags & IEEE80211_HW_CONNECTION_MONITOR)
if (ieee80211_hw_check(&sdata->local->hw, CONNECTION_MONITOR))
goto out;
/*
@@ -2257,7 +2257,7 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
*/
ifmgd->probe_send_count++;
if (sdata->local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
if (ieee80211_hw_check(&sdata->local->hw, REPORTS_TX_ACK_STATUS)) {
ifmgd->nullfunc_failed = false;
ieee80211_send_nullfunc(sdata->local, sdata, 0);
} else {
@@ -2562,7 +2562,7 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
return;
auth_data->expected_transaction = 4;
drv_mgd_prepare_tx(sdata->local, sdata);
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;
ieee80211_send_auth(sdata, 3, auth_data->algorithm, 0,
@@ -3337,7 +3337,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
}
ifmgd->have_beacon = true;
ifmgd->assoc_data->need_beacon = false;
if (local->hw.flags & IEEE80211_HW_TIMING_BEACON_ONLY) {
if (ieee80211_hw_check(&local->hw, TIMING_BEACON_ONLY)) {
sdata->vif.bss_conf.sync_tsf =
le64_to_cpu(mgmt->u.beacon.timestamp);
sdata->vif.bss_conf.sync_device_ts =
@@ -3443,7 +3443,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
len - baselen, false, &elems,
care_about_ies, ncrc);
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK)) {
bool directed_tim = ieee80211_check_tim(elems.tim,
elems.tim_len,
ifmgd->aid);
@@ -3511,7 +3511,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
* the driver will use them. The synchronized view is currently
* guaranteed only in certain callbacks.
*/
if (local->hw.flags & IEEE80211_HW_TIMING_BEACON_ONLY) {
if (ieee80211_hw_check(&local->hw, TIMING_BEACON_ONLY)) {
sdata->vif.bss_conf.sync_tsf =
le64_to_cpu(mgmt->u.beacon.timestamp);
sdata->vif.bss_conf.sync_device_ts =
@@ -3749,7 +3749,7 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
auth_data->expected_transaction = trans;
}
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
IEEE80211_TX_INTFL_MLME_CONN_TX;
@@ -3822,7 +3822,7 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
IEEE80211_ASSOC_MAX_TRIES);
ieee80211_send_assoc(sdata);
if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
if (!ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT;
assoc_data->timeout_started = true;
run_again(sdata, assoc_data->timeout);
@@ -3936,7 +3936,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN);
if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)
if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
max_tries = max_nullfunc_tries;
else
max_tries = max_probe_tries;
@@ -3961,7 +3961,7 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
}
} else if (time_is_after_jiffies(ifmgd->probe_timeout))
run_again(sdata, ifmgd->probe_timeout);
else if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
else if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
mlme_dbg(sdata,
"Failed to send nullfunc to AP %pM after %dms, disconnecting\n",
bssid, probe_wait_ms);
@@ -4030,14 +4030,11 @@ static void ieee80211_sta_monitor_work(struct work_struct *work)
static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
{
u32 flags;
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
__ieee80211_stop_poll(sdata);
/* let's probe the connection once */
flags = sdata->local->hw.flags;
if (!(flags & IEEE80211_HW_CONNECTION_MONITOR))
if (!ieee80211_hw_check(&sdata->local->hw, CONNECTION_MONITOR))
ieee80211_queue_work(&sdata->local->hw,
&sdata->u.mgd.monitor_work);
/* and do all the other regular work too */
@@ -4450,8 +4447,8 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.sync_dtim_count = tim_ie[2];
else
sdata->vif.bss_conf.sync_dtim_count = 0;
} else if (!(local->hw.flags &
IEEE80211_HW_TIMING_BEACON_ONLY)) {
} else if (!ieee80211_hw_check(&sdata->local->hw,
TIMING_BEACON_ONLY)) {
ies = rcu_dereference(cbss->proberesp_ies);
/* must be non-NULL since beacon IEs were NULL */
sdata->vif.bss_conf.sync_tsf = ies->tsf;
@@ -4829,7 +4826,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
if (WARN((sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_UAPSD) &&
(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK),
ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK),
"U-APSD not supported with HW_PS_NULLFUNC_STACK\n"))
sdata->vif.driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD;
@@ -4910,7 +4907,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
rcu_read_lock();
beacon_ies = rcu_dereference(req->bss->beacon_ies);
if (sdata->local->hw.flags & IEEE80211_HW_NEED_DTIM_BEFORE_ASSOC &&
if (ieee80211_hw_check(&sdata->local->hw, NEED_DTIM_BEFORE_ASSOC) &&
!beacon_ies) {
/*
* Wait up to one beacon interval ...
@@ -4937,7 +4934,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
assoc_data->timeout = jiffies;
assoc_data->timeout_started = true;
if (local->hw.flags & IEEE80211_HW_TIMING_BEACON_ONLY) {
if (ieee80211_hw_check(&local->hw, TIMING_BEACON_ONLY)) {
sdata->vif.bss_conf.sync_tsf = beacon_ies->tsf;
sdata->vif.bss_conf.sync_device_ts =
bss->device_ts_beacon;