[PATCH] libertas: pepper main with debug statement
Holger Schurig
hs4233 at mail.mn-solutions.de
Wed Jan 16 09:59:52 EST 2008
libertas: re-pepper debug statementThe recent fluff of updates
didn't put proper lbs_deb_enter/leave calls into the source code.
Add them where appropriate.
Also contains some whitespace changes.
Signed-off-by: Holger Schurig <hs4233 at mail.mn-solutions.de>
Index: wireless-2.6/drivers/net/wireless/libertas/main.c
===================================================================
--- wireless-2.6.orig/drivers/net/wireless/libertas/main.c 2008-01-16 12:59:09.000000000 +0100
+++ wireless-2.6/drivers/net/wireless/libertas/main.c 2008-01-16 14:07:20.000000000 +0100
@@ -388,6 +388,8 @@ static int lbs_dev_open(struct net_devic
struct lbs_private *priv = (struct lbs_private *) dev->priv ;
int ret = 0;
+ lbs_deb_enter(LBS_DEB_NET);
+
spin_lock_irq(&priv->driver_lock);
if (priv->monitormode != LBS_MONITOR_OFF) {
@@ -413,6 +415,7 @@ static int lbs_dev_open(struct net_devic
out:
spin_unlock_irq(&priv->driver_lock);
+ lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
return ret;
}
@@ -426,6 +429,7 @@ static int lbs_mesh_stop(struct net_devi
{
struct lbs_private *priv = (struct lbs_private *) (dev->priv);
+ lbs_deb_enter(LBS_DEB_MESH);
spin_lock_irq(&priv->driver_lock);
priv->mesh_open = 0;
@@ -435,6 +439,8 @@ static int lbs_mesh_stop(struct net_devi
netif_carrier_off(dev);
spin_unlock_irq(&priv->driver_lock);
+
+ lbs_deb_leave(LBS_DEB_MESH);
return 0;
}
@@ -448,13 +454,14 @@ static int lbs_eth_stop(struct net_devic
{
struct lbs_private *priv = (struct lbs_private *) dev->priv;
- spin_lock_irq(&priv->driver_lock);
+ lbs_deb_enter(LBS_DEB_NET);
+ spin_lock_irq(&priv->driver_lock);
priv->infra_open = 0;
-
netif_stop_queue(dev);
-
spin_unlock_irq(&priv->driver_lock);
+
+ lbs_deb_leave(LBS_DEB_NET);
return 0;
}
@@ -490,6 +497,8 @@ void lbs_host_to_card_done(struct lbs_pr
{
unsigned long flags;
+ lbs_deb_enter(LBS_DEB_THREAD);
+
spin_lock_irqsave(&priv->driver_lock, flags);
priv->dnld_sent = DNLD_RES_RECEIVED;
@@ -499,6 +508,7 @@ void lbs_host_to_card_done(struct lbs_pr
wake_up_interruptible(&priv->waitq);
spin_unlock_irqrestore(&priv->driver_lock, flags);
+ lbs_deb_leave(LBS_DEB_THREAD);
}
EXPORT_SYMBOL_GPL(lbs_host_to_card_done);
@@ -512,6 +522,7 @@ static struct net_device_stats *lbs_get_
{
struct lbs_private *priv = (struct lbs_private *) dev->priv;
+ lbs_deb_enter(LBS_DEB_NET);
return &priv->stats;
}
@@ -564,9 +575,7 @@ static int lbs_copy_multicast_address(st
memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN);
mcptr = mcptr->next;
}
-
return i;
-
}
static void lbs_set_multicast_list(struct net_device *dev)
@@ -620,7 +629,7 @@ static void lbs_set_multicast_list(struc
dev->mc_count);
for (i = 0; i < dev->mc_count; i++) {
- lbs_deb_net("Multicast address %d:%s\n",
+ lbs_deb_net("Multicast address %d: %s\n",
i, print_mac(mac,
priv->multicastlist[i]));
}
@@ -857,22 +866,24 @@ static int lbs_thread(void *data)
static int lbs_suspend_callback(struct lbs_private *priv, unsigned long dummy,
struct cmd_header *cmd)
{
- lbs_deb_fw("HOST_SLEEP_ACTIVATE succeeded\n");
+ lbs_deb_enter(LBS_DEB_FW);
netif_device_detach(priv->dev);
if (priv->mesh_dev)
netif_device_detach(priv->mesh_dev);
priv->fw_ready = 0;
+ lbs_deb_leave(LBS_DEB_FW);
return 0;
}
-
int lbs_suspend(struct lbs_private *priv)
{
struct cmd_header cmd;
int ret;
+ lbs_deb_enter(LBS_DEB_FW);
+
if (priv->wol_criteria == 0xffffffff) {
lbs_pr_info("Suspend attempt without configuring wake params!\n");
return -EINVAL;
@@ -885,12 +896,15 @@ int lbs_suspend(struct lbs_private *priv
if (ret)
lbs_pr_info("HOST_SLEEP_ACTIVATE failed: %d\n", ret);
+ lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
return ret;
}
EXPORT_SYMBOL_GPL(lbs_suspend);
int lbs_resume(struct lbs_private *priv)
{
+ lbs_deb_enter(LBS_DEB_FW);
+
priv->fw_ready = 1;
/* Firmware doesn't seem to give us RX packets any more
@@ -902,6 +916,7 @@ int lbs_resume(struct lbs_private *priv)
if (priv->mesh_dev)
netif_device_attach(priv->mesh_dev);
+ lbs_deb_leave(LBS_DEB_FW);
return 0;
}
EXPORT_SYMBOL_GPL(lbs_resume);
@@ -953,6 +968,7 @@ static void command_timer_fn(unsigned lo
struct lbs_private *priv = (struct lbs_private *)data;
unsigned long flags;
+ lbs_deb_enter(LBS_DEB_CMD);
spin_lock_irqsave(&priv->driver_lock, flags);
if (!priv->cur_cmd) {
@@ -964,8 +980,9 @@ static void command_timer_fn(unsigned lo
priv->cmd_timed_out = 1;
wake_up_interruptible(&priv->waitq);
- out:
+out:
spin_unlock_irqrestore(&priv->driver_lock, flags);
+ lbs_deb_leave(LBS_DEB_CMD);
}
static int lbs_init_adapter(struct lbs_private *priv)
@@ -973,6 +990,8 @@ static int lbs_init_adapter(struct lbs_p
size_t bufsize;
int i, ret = 0;
+ lbs_deb_enter(LBS_DEB_MAIN);
+
/* Allocate buffer to store the BSSID list */
bufsize = MAX_NETWORK_COUNT * sizeof(struct bss_descriptor);
priv->networks = kzalloc(bufsize, GFP_KERNEL);
@@ -1015,7 +1034,7 @@ static int lbs_init_adapter(struct lbs_p
mutex_init(&priv->lock);
setup_timer(&priv->command_timer, command_timer_fn,
- (unsigned long)priv);
+ (unsigned long)priv);
INIT_LIST_HEAD(&priv->cmdfreeq);
INIT_LIST_HEAD(&priv->cmdpendingq);
@@ -1030,20 +1049,21 @@ static int lbs_init_adapter(struct lbs_p
}
out:
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+
return ret;
}
static void lbs_free_adapter(struct lbs_private *priv)
{
- lbs_deb_fw("free command buffer\n");
- lbs_free_cmd_buffer(priv);
+ lbs_deb_enter(LBS_DEB_MAIN);
- lbs_deb_fw("free command_timer\n");
+ lbs_free_cmd_buffer(priv);
del_timer(&priv->command_timer);
-
- lbs_deb_fw("free scan results table\n");
kfree(priv->networks);
priv->networks = NULL;
+
+ lbs_deb_leave(LBS_DEB_MAIN);
}
/**
@@ -1058,7 +1078,7 @@ struct lbs_private *lbs_add_card(void *c
struct net_device *dev = NULL;
struct lbs_private *priv = NULL;
- lbs_deb_enter(LBS_DEB_NET);
+ lbs_deb_enter(LBS_DEB_MAIN);
/* Allocate an Ethernet device and register it */
dev = alloc_etherdev(sizeof(struct lbs_private));
@@ -1124,7 +1144,7 @@ err_init_adapter:
priv = NULL;
done:
- lbs_deb_leave_args(LBS_DEB_NET, "priv %p", priv);
+ lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv);
return priv;
}
EXPORT_SYMBOL_GPL(lbs_add_card);
@@ -1338,26 +1358,19 @@ static void lbs_remove_mesh(struct lbs_p
{
struct net_device *mesh_dev;
- lbs_deb_enter(LBS_DEB_MAIN);
-
- if (!priv)
- goto out;
mesh_dev = priv->mesh_dev;
if (!mesh_dev)
- goto out;
+ return;
+ lbs_deb_enter(LBS_DEB_MESH);
netif_stop_queue(mesh_dev);
netif_carrier_off(priv->mesh_dev);
-
sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
unregister_netdev(mesh_dev);
-
priv->mesh_dev = NULL;
free_netdev(mesh_dev);
-
-out:
- lbs_deb_leave(LBS_DEB_MAIN);
+ lbs_deb_leave(LBS_DEB_MESH);
}
EXPORT_SYMBOL_GPL(lbs_remove_mesh);
@@ -1404,22 +1417,20 @@ int lbs_set_regiontable(struct lbs_priva
memset(priv->region_channel, 0, sizeof(priv->region_channel));
- {
- cfp = lbs_get_region_cfp_table(region, band, &cfp_no);
- if (cfp != NULL) {
- priv->region_channel[i].nrcfp = cfp_no;
- priv->region_channel[i].CFP = cfp;
- } else {
- lbs_deb_main("wrong region code %#x in band B/G\n",
- region);
- ret = -1;
- goto out;
- }
- priv->region_channel[i].valid = 1;
- priv->region_channel[i].region = region;
- priv->region_channel[i].band = band;
- i++;
+ cfp = lbs_get_region_cfp_table(region, band, &cfp_no);
+ if (cfp != NULL) {
+ priv->region_channel[i].nrcfp = cfp_no;
+ priv->region_channel[i].CFP = cfp;
+ } else {
+ lbs_deb_main("wrong region code %#x in band B/G\n",
+ region);
+ ret = -1;
+ goto out;
}
+ priv->region_channel[i].valid = 1;
+ priv->region_channel[i].region = region;
+ priv->region_channel[i].band = band;
+ i++;
out:
lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
return ret;
@@ -1438,12 +1449,9 @@ void lbs_interrupt(struct lbs_private *p
lbs_deb_enter(LBS_DEB_THREAD);
lbs_deb_thread("lbs_interrupt: intcounter=%d\n", priv->intcounter);
-
priv->intcounter++;
-
if (priv->psstate == PS_STATE_SLEEP)
priv->psstate = PS_STATE_AWAKE;
-
wake_up_interruptible(&priv->waitq);
lbs_deb_leave(LBS_DEB_THREAD);
@@ -1475,9 +1483,7 @@ static int __init lbs_init_module(void)
static void __exit lbs_exit_module(void)
{
lbs_deb_enter(LBS_DEB_MAIN);
-
lbs_debugfs_remove();
-
lbs_deb_leave(LBS_DEB_MAIN);
}
@@ -1488,49 +1494,61 @@ static void __exit lbs_exit_module(void)
static int lbs_rtap_open(struct net_device *dev)
{
/* Yes, _stop_ the queue. Because we don't support injection */
- netif_carrier_off(dev);
- netif_stop_queue(dev);
- return 0;
+ lbs_deb_enter(LBS_DEB_MAIN);
+ netif_carrier_off(dev);
+ netif_stop_queue(dev);
+ lbs_deb_leave(LBS_DEB_LEAVE);
+ return 0;
}
static int lbs_rtap_stop(struct net_device *dev)
{
- return 0;
+ lbs_deb_enter(LBS_DEB_MAIN);
+ lbs_deb_leave(LBS_DEB_MAIN);
+ return 0;
}
static int lbs_rtap_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
- netif_stop_queue(dev);
- return NETDEV_TX_BUSY;
+ netif_stop_queue(dev);
+ return NETDEV_TX_BUSY;
}
static struct net_device_stats *lbs_rtap_get_stats(struct net_device *dev)
{
struct lbs_private *priv = dev->priv;
+ lbs_deb_enter(LBS_DEB_NET);
return &priv->stats;
}
static void lbs_remove_rtap(struct lbs_private *priv)
{
+ lbs_deb_enter(LBS_DEB_MAIN);
if (priv->rtap_net_dev == NULL)
return;
unregister_netdev(priv->rtap_net_dev);
free_netdev(priv->rtap_net_dev);
priv->rtap_net_dev = NULL;
+ lbs_deb_leave(LBS_DEB_MAIN);
}
static int lbs_add_rtap(struct lbs_private *priv)
{
- int rc = 0;
+ int ret = 0;
struct net_device *rtap_dev;
- if (priv->rtap_net_dev)
- return -EPERM;
+ lbs_deb_enter(LBS_DEB_MAIN);
+ if (priv->rtap_net_dev) {
+ ret = -EPERM;
+ goto out;
+ }
rtap_dev = alloc_netdev(0, "rtap%d", ether_setup);
- if (rtap_dev == NULL)
- return -ENOMEM;
+ if (rtap_dev == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
memcpy(rtap_dev->dev_addr, priv->current_addr, ETH_ALEN);
rtap_dev->type = ARPHRD_IEEE80211_RADIOTAP;
@@ -1541,14 +1559,16 @@ static int lbs_add_rtap(struct lbs_priva
rtap_dev->set_multicast_list = lbs_set_multicast_list;
rtap_dev->priv = priv;
- rc = register_netdev(rtap_dev);
- if (rc) {
+ ret = register_netdev(rtap_dev);
+ if (ret) {
free_netdev(rtap_dev);
- return rc;
+ goto out;
}
priv->rtap_net_dev = rtap_dev;
- return 0;
+out:
+ lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
+ return ret;
}
More information about the libertas-dev
mailing list