Split ieee80211_iface_work in two. Moved part of a code that checks
pkt_type.
Signed-off-by: Alex Briskin <br.shurik@xxxxxxxxx>
---
net/mac80211/iface.c | 75 +++++++++++++++++++++++++++++++---------------------
1 file changed, 45 insertions(+), 30 deletions(-)
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index c59af3e..a68cbac 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1198,6 +1198,48 @@ static void ieee80211_if_setup(struct net_device *dev)
dev->destructor = ieee80211_if_free;
}
+static bool ieee80211_is_skb_handled_by_pkt_type(struct sk_buff *skb,
+ struct ieee80211_sub_if_data
+ *sdata)
+{
+ struct ieee80211_ra_tid *ra_tid;
+ struct ieee80211_rx_agg *rx_agg;
+ struct ieee80211_local *local = sdata->local;
+ struct sta_info *sta;
+
+ if (skb->pkt_type == IEEE80211_SDATA_QUEUE_AGG_START) {
+ ra_tid = (void *)&skb->cb;
+ ieee80211_start_tx_ba_cb(&sdata->vif, ra_tid->ra, ra_tid->tid);
+ } else if (skb->pkt_type == IEEE80211_SDATA_QUEUE_AGG_STOP) {
+ ra_tid = (void *)&skb->cb;
+ ieee80211_stop_tx_ba_cb(&sdata->vif, ra_tid->ra, ra_tid->tid);
+ } else if (skb->pkt_type == IEEE80211_SDATA_QUEUE_RX_AGG_START) {
+ rx_agg = (void *)&skb->cb;
+ mutex_lock(&local->sta_mtx);
+ sta = sta_info_get_bss(sdata, rx_agg->addr);
+ if (sta)
+ __ieee80211_start_rx_ba_session(sta,
+ 0, 0, 0, 1, rx_agg->tid,
+ IEEE80211_MAX_AMPDU_BUF,
+ false, true);
+ mutex_unlock(&local->sta_mtx);
+ } else if (skb->pkt_type == IEEE80211_SDATA_QUEUE_RX_AGG_STOP) {
+ rx_agg = (void *)&skb->cb;
+ mutex_lock(&local->sta_mtx);
+ sta = sta_info_get_bss(sdata, rx_agg->addr);
+ if (sta)
+ __ieee80211_stop_rx_ba_session(sta,
+ rx_agg->tid,
+ WLAN_BACK_RECIPIENT, 0,
+ false);
+ mutex_unlock(&local->sta_mtx);
+ } else {
+ return false;
+ }
+ /*will return true if pkt_type found and handled */
+ return true;
+}
+
static void ieee80211_iface_work(struct work_struct *work)
{
struct ieee80211_sub_if_data *sdata =
@@ -1205,8 +1247,6 @@ static void ieee80211_iface_work(struct work_struct *work)
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct sta_info *sta;
- struct ieee80211_ra_tid *ra_tid;
- struct ieee80211_rx_agg *rx_agg;
if (!ieee80211_sdata_running(sdata))
return;
@@ -1221,34 +1261,8 @@ static void ieee80211_iface_work(struct work_struct *work)
while ((skb = skb_dequeue(&sdata->skb_queue))) {
struct ieee80211_mgmt *mgmt = (void *)skb->data;
- if (skb->pkt_type == IEEE80211_SDATA_QUEUE_AGG_START) {
- ra_tid = (void *)&skb->cb;
- ieee80211_start_tx_ba_cb(&sdata->vif, ra_tid->ra,
- ra_tid->tid);
- } else if (skb->pkt_type == IEEE80211_SDATA_QUEUE_AGG_STOP) {
- ra_tid = (void *)&skb->cb;
- ieee80211_stop_tx_ba_cb(&sdata->vif, ra_tid->ra,
- ra_tid->tid);
- } else if (skb->pkt_type == IEEE80211_SDATA_QUEUE_RX_AGG_START) {
- rx_agg = (void *)&skb->cb;
- mutex_lock(&local->sta_mtx);
- sta = sta_info_get_bss(sdata, rx_agg->addr);
- if (sta)
- __ieee80211_start_rx_ba_session(sta,
- 0, 0, 0, 1, rx_agg->tid,
- IEEE80211_MAX_AMPDU_BUF,
- false, true);
- mutex_unlock(&local->sta_mtx);
- } else if (skb->pkt_type == IEEE80211_SDATA_QUEUE_RX_AGG_STOP) {
- rx_agg = (void *)&skb->cb;
- mutex_lock(&local->sta_mtx);
- sta = sta_info_get_bss(sdata, rx_agg->addr);
- if (sta)
- __ieee80211_stop_rx_ba_session(sta,
- rx_agg->tid,
- WLAN_BACK_RECIPIENT, 0,
- false);
- mutex_unlock(&local->sta_mtx);
+ if (ieee80211_is_skb_handled_by_pkt_type(skb, sdata)) {
+ goto free_skb;
} else if (ieee80211_is_action(mgmt->frame_control) &&
mgmt->u.action.category == WLAN_CATEGORY_BACK) {
int len = skb->len;
@@ -1333,6 +1347,7 @@ static void ieee80211_iface_work(struct work_struct *work)
break;
}
+free_skb:
kfree_skb(skb);
}
--
2.5.0
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