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Commit e1f91505 authored by Changli Gao's avatar Changli Gao Committed by David S. Miller
Browse files

ifb: remove the useless debug stats 



These debug stats are not exported, and become useless.

Signed-off-by: default avatarChangli Gao <xiaosuo@gmail.com>
Signed-off-by: default avatarJamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a6a5ff26

drivers/net/ifb.c

+0 −19
Original line number Diff line number Diff line
@@ -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;

		}