1 files changed, 32 insertions, 26 deletions

diff --git a/drivers/char/pcmcia/ipwireless/network.c b/drivers/char/pcmcia/ipwireless/network.c
index fe914d34f7f6..590762a7f217 100644
--- a/drivers/char/pcmcia/ipwireless/network.c
+++ b/drivers/char/pcmcia/ipwireless/network.c
@@ -29,7 +29,6 @@
 #include "main.h"
 #include "tty.h"
 
-#define MAX_OUTGOING_PACKETS_QUEUED   ipwireless_out_queue
 #define MAX_ASSOCIATED_TTYS 2
 
 #define SC_RCV_BITS     (SC_RCV_B7_1|SC_RCV_B7_0|SC_RCV_ODDP|SC_RCV_EVNP)
@@ -46,7 +45,7 @@ struct ipw_network {
         /* Number of packets queued up in hardware module. */
         int outgoing_packets_queued;
         /* Spinlock to avoid interrupts during shutdown */
-        spinlock_t spinlock;
+        spinlock_t lock;
         struct mutex close_lock;
 
         /* PPP ioctl data, not actually used anywere */
@@ -68,20 +67,20 @@ static void notify_packet_sent(void *callback_data, unsigned int packet_length)
         struct ipw_network *network = callback_data;
         unsigned long flags;
 
-        spin_lock_irqsave(&network->spinlock, flags);
+        spin_lock_irqsave(&network->lock, flags);
         network->outgoing_packets_queued--;
         if (network->ppp_channel != NULL) {
                 if (network->ppp_blocked) {
                         network->ppp_blocked = 0;
-                        spin_unlock_irqrestore(&network->spinlock, flags);
+                        spin_unlock_irqrestore(&network->lock, flags);
                         ppp_output_wakeup(network->ppp_channel);
                         if (ipwireless_debug)
-                                printk(KERN_INFO IPWIRELESS_PCCARD_NAME
+                                printk(KERN_DEBUG IPWIRELESS_PCCARD_NAME
                                        ": ppp unblocked\n");
                 } else
-                        spin_unlock_irqrestore(&network->spinlock, flags);
+                        spin_unlock_irqrestore(&network->lock, flags);
         } else
-                spin_unlock_irqrestore(&network->spinlock, flags);
+                spin_unlock_irqrestore(&network->lock, flags);
 }
 
 /*
@@ -93,8 +92,8 @@ static int ipwireless_ppp_start_xmit(struct ppp_channel *ppp_channel,
         struct ipw_network *network = ppp_channel->private;
         unsigned long flags;
 
-        spin_lock_irqsave(&network->spinlock, flags);
-        if (network->outgoing_packets_queued < MAX_OUTGOING_PACKETS_QUEUED) {
+        spin_lock_irqsave(&network->lock, flags);
+        if (network->outgoing_packets_queued < ipwireless_out_queue) {
                 unsigned char *buf;
                 static unsigned char header[] = {
                         PPP_ALLSTATIONS, /* 0xff */
@@ -103,7 +102,7 @@ static int ipwireless_ppp_start_xmit(struct ppp_channel *ppp_channel,
                 int ret;
 
                 network->outgoing_packets_queued++;
-                spin_unlock_irqrestore(&network->spinlock, flags);
+                spin_unlock_irqrestore(&network->lock, flags);
 
                 /*
                  * If we have the requested amount of headroom in the skb we
@@ -144,7 +143,9 @@ static int ipwireless_ppp_start_xmit(struct ppp_channel *ppp_channel,
                  * needs to be unblocked once we are ready to send.
                  */
                 network->ppp_blocked = 1;
-                spin_unlock_irqrestore(&network->spinlock, flags);
+                spin_unlock_irqrestore(&network->lock, flags);
+                if (ipwireless_debug)
+                        printk(KERN_DEBUG IPWIRELESS_PCCARD_NAME ": ppp blocked\n");
                 return 0;
         }
 }
@@ -249,11 +250,11 @@ static void do_go_online(struct work_struct *work_go_online)
                                 work_go_online);
         unsigned long flags;
 
-        spin_lock_irqsave(&network->spinlock, flags);
+        spin_lock_irqsave(&network->lock, flags);
         if (!network->ppp_channel) {
                 struct ppp_channel *channel;
 
-                spin_unlock_irqrestore(&network->spinlock, flags);
+                spin_unlock_irqrestore(&network->lock, flags);
                 channel = kzalloc(sizeof(struct ppp_channel), GFP_KERNEL);
                 if (!channel) {
                         printk(KERN_ERR IPWIRELESS_PCCARD_NAME
@@ -273,10 +274,10 @@ static void do_go_online(struct work_struct *work_go_online)
                 network->xaccm[3] = 0x60000000U;
                 network->raccm = ~0U;
                 ppp_register_channel(channel);
-                spin_lock_irqsave(&network->spinlock, flags);
+                spin_lock_irqsave(&network->lock, flags);
                 network->ppp_channel = channel;
         }
-        spin_unlock_irqrestore(&network->spinlock, flags);
+        spin_unlock_irqrestore(&network->lock, flags);
 }
 
 static void do_go_offline(struct work_struct *work_go_offline)
@@ -287,16 +288,16 @@ static void do_go_offline(struct work_struct *work_go_offline)
         unsigned long flags;
 
         mutex_lock(&network->close_lock);
-        spin_lock_irqsave(&network->spinlock, flags);
+        spin_lock_irqsave(&network->lock, flags);
         if (network->ppp_channel != NULL) {
                 struct ppp_channel *channel = network->ppp_channel;
 
                 network->ppp_channel = NULL;
-                spin_unlock_irqrestore(&network->spinlock, flags);
+                spin_unlock_irqrestore(&network->lock, flags);
                 mutex_unlock(&network->close_lock);
                 ppp_unregister_channel(channel);
         } else {
-                spin_unlock_irqrestore(&network->spinlock, flags);
+                spin_unlock_irqrestore(&network->lock, flags);
                 mutex_unlock(&network->close_lock);
         }
 }
@@ -381,18 +382,18 @@ void ipwireless_network_packet_received(struct ipw_network *network,
                          * the PPP layer.
                          */
                         mutex_lock(&network->close_lock);
-                        spin_lock_irqsave(&network->spinlock, flags);
+                        spin_lock_irqsave(&network->lock, flags);
                         if (network->ppp_channel != NULL) {
                                 struct sk_buff *skb;
 
-                                spin_unlock_irqrestore(&network->spinlock,
+                                spin_unlock_irqrestore(&network->lock,
                                                 flags);
 
                                 /* Send the data to the ppp_generic module. */
                                 skb = ipw_packet_received_skb(data, length);
                                 ppp_input(network->ppp_channel, skb);
                         } else
-                                spin_unlock_irqrestore(&network->spinlock,
+                                spin_unlock_irqrestore(&network->lock,
                                                 flags);
                         mutex_unlock(&network->close_lock);
                 }
@@ -410,7 +411,7 @@ struct ipw_network *ipwireless_network_create(struct ipw_hardware *hw)
         if (!network)
                 return NULL;
 
-        spin_lock_init(&network->spinlock);
+        spin_lock_init(&network->lock);
         mutex_init(&network->close_lock);
 
         network->hardware = hw;
@@ -478,10 +479,10 @@ int ipwireless_ppp_channel_index(struct ipw_network *network)
         int ret = -1;
         unsigned long flags;
 
-        spin_lock_irqsave(&network->spinlock, flags);
+        spin_lock_irqsave(&network->lock, flags);
         if (network->ppp_channel != NULL)
                 ret = ppp_channel_index(network->ppp_channel);
-        spin_unlock_irqrestore(&network->spinlock, flags);
+        spin_unlock_irqrestore(&network->lock, flags);
 
         return ret;
 }
@@ -491,10 +492,15 @@ int ipwireless_ppp_unit_number(struct ipw_network *network)
         int ret = -1;
         unsigned long flags;
 
-        spin_lock_irqsave(&network->spinlock, flags);
+        spin_lock_irqsave(&network->lock, flags);
         if (network->ppp_channel != NULL)
                 ret = ppp_unit_number(network->ppp_channel);
-        spin_unlock_irqrestore(&network->spinlock, flags);
+        spin_unlock_irqrestore(&network->lock, flags);
 
         return ret;
 }
+
+int ipwireless_ppp_mru(const struct ipw_network *network)
+{
+        return network->mru;
+}