libertas: slight cleanup of netif queue stop/wake
In particular, we shouldn't be waking the queues in lbs_host_to_card_done()
any more.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index 53f73c4..a809f8f 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -43,14 +43,15 @@
msleep_interruptible(1000);
wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
- /* Free Tx and Rx packets */
- kfree_skb(priv->currenttxskb);
- priv->currenttxskb = NULL;
-
/* report disconnect to upper layer */
netif_stop_queue(priv->dev);
netif_carrier_off(priv->dev);
+ /* Free Tx and Rx packets */
+ kfree_skb(priv->currenttxskb);
+ priv->currenttxskb = NULL;
+ priv->tx_pending_len = 0;
+
/* reset SNR/NF/RSSI values */
memset(priv->SNR, 0x00, sizeof(priv->SNR));
memset(priv->NF, 0x00, sizeof(priv->NF));
@@ -883,9 +884,10 @@
}
lbs_pr_info("EVENT: MESH_AUTO_STARTED\n");
priv->mesh_connect_status = LBS_CONNECTED;
- if (priv->mesh_open == 1) {
- netif_wake_queue(priv->mesh_dev);
+ if (priv->mesh_open) {
netif_carrier_on(priv->mesh_dev);
+ if (!priv->tx_pending_len)
+ netif_wake_queue(priv->mesh_dev);
}
priv->mode = IW_MODE_ADHOC;
schedule_work(&priv->sync_channel);
diff --git a/drivers/net/wireless/libertas/join.c b/drivers/net/wireless/libertas/join.c
index 14425d9..2d45080 100644
--- a/drivers/net/wireless/libertas/join.c
+++ b/drivers/net/wireless/libertas/join.c
@@ -781,8 +781,8 @@
priv->numSNRNF = 0;
netif_carrier_on(priv->dev);
- netif_wake_queue(priv->dev);
-
+ if (!priv->tx_pending_len)
+ netif_wake_queue(priv->dev);
memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
@@ -865,7 +865,8 @@
priv->curbssparams.ssid_len = bss->ssid_len;
netif_carrier_on(priv->dev);
- netif_wake_queue(priv->dev);
+ if (!priv->tx_pending_len)
+ netif_wake_queue(priv->dev);
memset(&wrqu, 0, sizeof(wrqu));
memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index cdf5934..f9bdd12 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -489,19 +489,9 @@
priv->dnld_sent = DNLD_RES_RECEIVED;
/* Wake main thread if commands are pending */
- if (!priv->cur_cmd)
+ if (!priv->cur_cmd || priv->tx_pending_len > 0)
wake_up_interruptible(&priv->waitq);
- /* Don't wake netif queues if we're in monitor mode and
- a TX packet is already pending, or if there are commands
- queued to be sent. */
- if (!priv->currenttxskb && list_empty(&priv->cmdpendingq)) {
- if (priv->dev && priv->connect_status == LBS_CONNECTED)
- netif_wake_queue(priv->dev);
-
- if (priv->mesh_dev && priv->mesh_connect_status == LBS_CONNECTED)
- netif_wake_queue(priv->mesh_dev);
- }
spin_unlock_irqrestore(&priv->driver_lock, flags);
}
EXPORT_SYMBOL_GPL(lbs_host_to_card_done);
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 92d84c7..9a61188 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -590,13 +590,13 @@
netif_stop_queue(priv->dev);
netif_carrier_off(priv->dev);
if (priv->mesh_dev) {
- netif_stop_queue(priv->mesh_dev);
- netif_carrier_off(priv->mesh_dev);
+ netif_stop_queue(priv->mesh_dev);
+ netif_carrier_off(priv->mesh_dev);
}
/* Prepare to continue an interrupted scan */
lbs_deb_scan("chan_count %d, last_scanned_channel %d\n",
- chan_count, priv->last_scanned_channel);
+ chan_count, priv->last_scanned_channel);
curr_chans = chan_list;
/* advance channel list by already-scanned-channels */
if (priv->last_scanned_channel > 0) {
@@ -659,11 +659,13 @@
out:
if (priv->connect_status == LBS_CONNECTED) {
netif_carrier_on(priv->dev);
- netif_wake_queue(priv->dev);
+ if (!priv->tx_pending_len)
+ netif_wake_queue(priv->dev);
}
if (priv->mesh_dev && (priv->mesh_connect_status == LBS_CONNECTED)) {
netif_carrier_on(priv->mesh_dev);
- netif_wake_queue(priv->mesh_dev);
+ if (!priv->tx_pending_len)
+ netif_wake_queue(priv->mesh_dev);
}
kfree(chan_list);