This converts mwl8k to use the new station
add/remove callbacks instead of using the
old sta_notify callback.
The new callbacks can sleep, so a lot of
code can be removed now.
Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
---
FWIW, I did the remove/add order in the file
to make the patch easier to read .....
drivers/net/wireless/mwl8k.c | 106 ++++++++-----------------------------------
1 file changed, 22 insertions(+), 84 deletions(-)
--- wireless-testing.orig/drivers/net/wireless/mwl8k.c 2010-02-19 19:08:37.000000000 +0100
+++ wireless-testing/drivers/net/wireless/mwl8k.c 2010-02-19 19:14:47.000000000 +0100
@@ -188,10 +188,6 @@ struct mwl8k_priv {
bool sniffer_enabled;
bool wmm_enabled;
- struct work_struct sta_notify_worker;
- spinlock_t sta_notify_list_lock;
- struct list_head sta_notify_list;
-
/* XXX need to convert this to handle multiple interfaces */
bool capture_beacon;
u8 capture_bssid[ETH_ALEN];
@@ -3706,90 +3702,36 @@ static int mwl8k_set_rts_threshold(struc
return mwl8k_cmd_set_rts_threshold(hw, value);
}
-struct mwl8k_sta_notify_item
-{
- struct list_head list;
- struct ieee80211_vif *vif;
- enum sta_notify_cmd cmd;
- struct ieee80211_sta sta;
-};
-
-static void
-mwl8k_do_sta_notify(struct ieee80211_hw *hw, struct mwl8k_sta_notify_item *s)
+static int mwl8k_sta_remove(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
{
struct mwl8k_priv *priv = hw->priv;
- /*
- * STA firmware uses UPDATE_STADB, AP firmware uses SET_NEW_STN.
- */
- if (!priv->ap_fw && s->cmd == STA_NOTIFY_ADD) {
- int rc;
-
- rc = mwl8k_cmd_update_stadb_add(hw, s->vif, &s->sta);
- if (rc >= 0) {
- struct ieee80211_sta *sta;
-
- rcu_read_lock();
- sta = ieee80211_find_sta(s->vif, s->sta.addr);
- if (sta != NULL)
- MWL8K_STA(sta)->peer_id = rc;
- rcu_read_unlock();
- }
- } else if (!priv->ap_fw && s->cmd == STA_NOTIFY_REMOVE) {
- mwl8k_cmd_update_stadb_del(hw, s->vif, s->sta.addr);
- } else if (priv->ap_fw && s->cmd == STA_NOTIFY_ADD) {
- mwl8k_cmd_set_new_stn_add(hw, s->vif, &s->sta);
- } else if (priv->ap_fw && s->cmd == STA_NOTIFY_REMOVE) {
- mwl8k_cmd_set_new_stn_del(hw, s->vif, s->sta.addr);
- }
-}
-
-static void mwl8k_sta_notify_worker(struct work_struct *work)
-{
- struct mwl8k_priv *priv =
- container_of(work, struct mwl8k_priv, sta_notify_worker);
- struct ieee80211_hw *hw = priv->hw;
-
- spin_lock_bh(&priv->sta_notify_list_lock);
- while (!list_empty(&priv->sta_notify_list)) {
- struct mwl8k_sta_notify_item *s;
-
- s = list_entry(priv->sta_notify_list.next,
- struct mwl8k_sta_notify_item, list);
- list_del(&s->list);
-
- spin_unlock_bh(&priv->sta_notify_list_lock);
-
- mwl8k_do_sta_notify(hw, s);
- kfree(s);
-
- spin_lock_bh(&priv->sta_notify_list_lock);
- }
- spin_unlock_bh(&priv->sta_notify_list_lock);
+ if (priv->ap_fw)
+ return mwl8k_cmd_set_new_stn_del(hw, vif, sta->addr);
+ else
+ return mwl8k_cmd_update_stadb_del(hw, vif, sta->addr);
}
-static void
-mwl8k_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
+static int mwl8k_sta_add(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
{
struct mwl8k_priv *priv = hw->priv;
- struct mwl8k_sta_notify_item *s;
-
- if (cmd != STA_NOTIFY_ADD && cmd != STA_NOTIFY_REMOVE)
- return;
+ int ret;
- s = kmalloc(sizeof(*s), GFP_ATOMIC);
- if (s != NULL) {
- s->vif = vif;
- s->cmd = cmd;
- s->sta = *sta;
-
- spin_lock_bh(&priv->sta_notify_list_lock);
- list_add_tail(&s->list, &priv->sta_notify_list);
- spin_unlock_bh(&priv->sta_notify_list_lock);
+ if (!priv->ap_fw) {
+ ret = mwl8k_cmd_update_stadb_add(hw, vif, sta);
+ if (ret >= 0) {
+ MWL8K_STA(sta)->peer_id = ret;
+ return 0;
+ }
- ieee80211_queue_work(hw, &priv->sta_notify_worker);
+ return ret;
}
+
+ return mwl8k_cmd_set_new_stn_add(hw, vif, sta);
}
static int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue,
@@ -3849,7 +3791,8 @@ static const struct ieee80211_ops mwl8k_
.prepare_multicast = mwl8k_prepare_multicast,
.configure_filter = mwl8k_configure_filter,
.set_rts_threshold = mwl8k_set_rts_threshold,
- .sta_notify = mwl8k_sta_notify,
+ .sta_add = mwl8k_sta_add,
+ .sta_remove = mwl8k_sta_remove,
.conf_tx = mwl8k_conf_tx,
.get_stats = mwl8k_get_stats,
.ampdu_action = mwl8k_ampdu_action,
@@ -4051,11 +3994,6 @@ static int __devinit mwl8k_probe(struct
priv->radio_on = 0;
priv->radio_short_preamble = 0;
- /* Station database handling */
- INIT_WORK(&priv->sta_notify_worker, mwl8k_sta_notify_worker);
- spin_lock_init(&priv->sta_notify_list_lock);
- INIT_LIST_HEAD(&priv->sta_notify_list);
-
/* Finalize join worker */
INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker);
--
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