From: Johannes Berg <johannes.berg@xxxxxxxxx>
To prepare for making the ampdu_action callback
sleep, make mac80211 always process blockack
action frames from the skb queue. This gets rid
of the current special case for managed mode
interfaces as well.
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
net/mac80211/iface.c | 35 ++++++++++++++++++++++++++++++++++-
net/mac80211/mlme.c | 38 --------------------------------------
net/mac80211/rx.c | 29 +++++++++++++----------------
3 files changed, 47 insertions(+), 55 deletions(-)
--- wireless-testing.orig/net/mac80211/iface.c 2010-05-28 20:37:10.000000000 +0200
+++ wireless-testing/net/mac80211/iface.c 2010-05-28 20:37:13.000000000 +0200
@@ -727,7 +727,40 @@ static void ieee80211_iface_work(struct
/* first process frames */
while ((skb = skb_dequeue(&sdata->skb_queue))) {
- switch (sdata->vif.type) {
+ struct ieee80211_mgmt *mgmt = (void *)skb->data;
+
+ if (ieee80211_is_action(mgmt->frame_control) &&
+ mgmt->u.action.category == WLAN_CATEGORY_BACK) {
+ int len = skb->len;
+ struct sta_info *sta;
+
+ rcu_read_lock();
+ sta = sta_info_get(sdata, mgmt->sa);
+ if (sta) {
+ local_bh_disable();
+
+ switch (mgmt->u.action.u.addba_req.action_code) {
+ case WLAN_ACTION_ADDBA_REQ:
+ ieee80211_process_addba_request(
+ local, sta, mgmt, len);
+ break;
+ case WLAN_ACTION_ADDBA_RESP:
+ ieee80211_process_addba_resp(local, sta,
+ mgmt, len);
+ break;
+ case WLAN_ACTION_DELBA:
+ ieee80211_process_delba(sdata, sta,
+ mgmt, len);
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ local_bh_enable();
+ }
+ rcu_read_unlock();
+ } else switch (sdata->vif.type) {
case NL80211_IFTYPE_STATION:
ieee80211_sta_rx_queued_mgmt(sdata, skb);
break;
--- wireless-testing.orig/net/mac80211/mlme.c 2010-05-28 20:37:11.000000000 +0200
+++ wireless-testing/net/mac80211/mlme.c 2010-05-28 20:37:13.000000000 +0200
@@ -1666,44 +1666,6 @@ void ieee80211_sta_rx_queued_mgmt(struct
break;
case IEEE80211_STYPE_ACTION:
switch (mgmt->u.action.category) {
- case WLAN_CATEGORY_BACK: {
- struct ieee80211_local *local = sdata->local;
- int len = skb->len;
- struct sta_info *sta;
-
- rcu_read_lock();
- sta = sta_info_get(sdata, mgmt->sa);
- if (!sta) {
- rcu_read_unlock();
- break;
- }
-
- local_bh_disable();
-
- switch (mgmt->u.action.u.addba_req.action_code) {
- case WLAN_ACTION_ADDBA_REQ:
- if (len < (IEEE80211_MIN_ACTION_SIZE +
- sizeof(mgmt->u.action.u.addba_req)))
- break;
- ieee80211_process_addba_request(local, sta, mgmt, len);
- break;
- case WLAN_ACTION_ADDBA_RESP:
- if (len < (IEEE80211_MIN_ACTION_SIZE +
- sizeof(mgmt->u.action.u.addba_resp)))
- break;
- ieee80211_process_addba_resp(local, sta, mgmt, len);
- break;
- case WLAN_ACTION_DELBA:
- if (len < (IEEE80211_MIN_ACTION_SIZE +
- sizeof(mgmt->u.action.u.delba)))
- break;
- ieee80211_process_delba(sdata, sta, mgmt, len);
- break;
- }
- local_bh_enable();
- rcu_read_unlock();
- break;
- }
case WLAN_CATEGORY_SPECTRUM_MGMT:
ieee80211_sta_process_chanswitch(sdata,
&mgmt->u.action.u.chan_switch.sw_elem,
--- wireless-testing.orig/net/mac80211/rx.c 2010-05-28 20:37:11.000000000 +0200
+++ wireless-testing/net/mac80211/rx.c 2010-05-28 20:37:13.000000000 +0200
@@ -1936,33 +1936,29 @@ ieee80211_rx_h_action(struct ieee80211_r
if (len < IEEE80211_MIN_ACTION_SIZE + 1)
break;
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- skb_queue_tail(&sdata->skb_queue, rx->skb);
- ieee80211_queue_work(&local->hw, &sdata->work);
- return RX_QUEUED;
- }
-
switch (mgmt->u.action.u.addba_req.action_code) {
case WLAN_ACTION_ADDBA_REQ:
if (len < (IEEE80211_MIN_ACTION_SIZE +
sizeof(mgmt->u.action.u.addba_req)))
- return RX_DROP_MONITOR;
- ieee80211_process_addba_request(local, rx->sta, mgmt, len);
- goto handled;
+ goto invalid;
+ break;
case WLAN_ACTION_ADDBA_RESP:
if (len < (IEEE80211_MIN_ACTION_SIZE +
sizeof(mgmt->u.action.u.addba_resp)))
- break;
- ieee80211_process_addba_resp(local, rx->sta, mgmt, len);
- goto handled;
+ goto invalid;
+ break;
case WLAN_ACTION_DELBA:
if (len < (IEEE80211_MIN_ACTION_SIZE +
sizeof(mgmt->u.action.u.delba)))
- break;
- ieee80211_process_delba(sdata, rx->sta, mgmt, len);
- goto handled;
+ goto invalid;
+ break;
+ default:
+ goto invalid;
}
- break;
+
+ skb_queue_tail(&sdata->skb_queue, rx->skb);
+ ieee80211_queue_work(&local->hw, &sdata->work);
+ return RX_QUEUED;
case WLAN_CATEGORY_SPECTRUM_MGMT:
if (local->hw.conf.channel->band != IEEE80211_BAND_5GHZ)
break;
@@ -2019,6 +2015,7 @@ ieee80211_rx_h_action(struct ieee80211_r
return RX_QUEUED;
}
+ invalid:
/*
* For AP mode, hostapd is responsible for handling any action
* frames that we didn't handle, including returning unknown
--
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