ifb: remove the useless debug stats

These debug stats are not exported, and become useless.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index fe337bd..e4cd663 100644 (file)
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -42,16 +42,6 @@
 struct ifb_private {
        struct tasklet_struct   ifb_tasklet;
        int     tasklet_pending;
-       /* mostly debug stats leave in for now */
-       unsigned long   st_task_enter; /* tasklet entered */
-       unsigned long   st_txq_refl_try; /* transmit queue refill attempt */
-       unsigned long   st_rxq_enter; /* receive queue entered */
-       unsigned long   st_rx2tx_tran; /* receive to trasmit transfers */
-       unsigned long   st_rxq_notenter; /*receiveQ not entered, resched */
-       unsigned long   st_rx_frm_egr; /* received from egress path */
-       unsigned long   st_rx_frm_ing; /* received from ingress path */
-       unsigned long   st_rxq_check;
-       unsigned long   st_rxq_rsch;
        struct sk_buff_head     rq;
        struct sk_buff_head     tq;
 };
@@ -73,19 +63,14 @@ static void ri_tasklet(unsigned long dev)
        struct sk_buff *skb;
 
        txq = netdev_get_tx_queue(_dev, 0);
-       dp->st_task_enter++;
        if ((skb = skb_peek(&dp->tq)) == NULL) {
-               dp->st_txq_refl_try++;
                if (__netif_tx_trylock(txq)) {
-                       dp->st_rxq_enter++;
                        while ((skb = skb_dequeue(&dp->rq)) != NULL) {
                                skb_queue_tail(&dp->tq, skb);
-                               dp->st_rx2tx_tran++;
                        }
                        __netif_tx_unlock(txq);
                } else {
                        /* reschedule */
-                       dp->st_rxq_notenter++;
                        goto resched;
                }
        }
@@ -112,10 +97,8 @@ static void ri_tasklet(unsigned long dev)
                skb->skb_iif = _dev->ifindex;
 
                if (from & AT_EGRESS) {
-                       dp->st_rx_frm_egr++;
                        dev_queue_xmit(skb);
                } else if (from & AT_INGRESS) {
-                       dp->st_rx_frm_ing++;
                        skb_pull(skb, skb->dev->hard_header_len);
                        netif_rx(skb);
                } else
@@ -123,13 +106,11 @@ static void ri_tasklet(unsigned long dev)
        }
 
        if (__netif_tx_trylock(txq)) {
-               dp->st_rxq_check++;
                if ((skb = skb_peek(&dp->rq)) == NULL) {
                        dp->tasklet_pending = 0;
                        if (netif_queue_stopped(_dev))
                                netif_wake_queue(_dev);
                } else {
-                       dp->st_rxq_rsch++;
                        __netif_tx_unlock(txq);
                        goto resched;
                }