staging: wilc1000: wilc_wlan_txq_filter_dup_tcp_ack: add argument and use wilc

This patch add argument net_device dev and use netdev private data member wilc
instead of g_linux_wlan. Pass argument dev to the function.

Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index 907da93..63712a2 100644 (file)
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -406,14 +406,18 @@ static inline int tcp_process(struct txq_entry_t *tqe)
 }
 
 
-static int wilc_wlan_txq_filter_dup_tcp_ack(void)
+static int wilc_wlan_txq_filter_dup_tcp_ack(struct net_device *dev)
 {
-
+       perInterface_wlan_t *nic;
+       struct wilc *wilc;
        u32 i = 0;
        u32 Dropped = 0;
        wilc_wlan_dev_t *p = &g_wlan;
 
-       spin_lock_irqsave(&g_linux_wlan->txq_spinlock, p->txq_spinlock_flags);
+       nic = netdev_priv(dev);
+       wilc = nic->wilc;
+
+       spin_lock_irqsave(&wilc->txq_spinlock, p->txq_spinlock_flags);
        for (i = PendingAcks_arrBase; i < (PendingAcks_arrBase + Pending_Acks); i++) {
                if (Pending_Acks_info[i].ack_num < Acks_keep_track_info[Pending_Acks_info[i].Session_index].Bigger_Ack_num) {
                        struct txq_entry_t *tqe;
@@ -440,12 +444,11 @@ static int wilc_wlan_txq_filter_dup_tcp_ack(void)
                PendingAcks_arrBase = 0;
 
 
-       spin_unlock_irqrestore(&g_linux_wlan->txq_spinlock,
-                              p->txq_spinlock_flags);
+       spin_unlock_irqrestore(&wilc->txq_spinlock, p->txq_spinlock_flags);
 
        while (Dropped > 0) {
                /*consume the semaphore count of the removed packet*/
-               linux_wlan_lock_timeout(&g_linux_wlan->txq_event, 1);
+               linux_wlan_lock_timeout(&wilc->txq_event, 1);
                Dropped--;
        }
 
@@ -842,7 +845,7 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *pu32TxqCount)
                linux_wlan_lock_timeout(&wilc->txq_add_to_head_cs,
                                        CFG_PKTS_TIMEOUT);
 #ifdef TCP_ACK_FILTER
-               wilc_wlan_txq_filter_dup_tcp_ack();
+               wilc_wlan_txq_filter_dup_tcp_ack(dev);
 #endif
                /**
                 *      build the vmm list