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sch_teql: Use net_device internal stats

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We can slightly reduce size of teqlN structure, not duplicating stats
structure in teql_master but using stats field from net_device.stats
for tx_errors and from netdev_queue for tx_bytes/tx_packets/tx_dropped
values.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2009-05-19 15:16:34 -07:00 committed by David S. Miller
parent 0cefafadbb
commit ab35cd4b8f
1 changed files with 5 additions and 12 deletions
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17
net/sched/sch_teql.c
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@ -58,7 +58,6 @@ struct teql_master
struct net_device *dev;
struct Qdisc *slaves;
struct list_head master_list;
struct net_device_stats stats;
};
struct teql_sched_data
@ -272,6 +271,7 @@ static inline int teql_resolve(struct sk_buff *skb,
static int teql_master_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct teql_master *master = netdev_priv(dev);
struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
struct Qdisc *start, *q;
int busy;
int nores;
@ -311,8 +311,8 @@ static int teql_master_xmit(struct sk_buff *skb, struct net_device *dev)
__netif_tx_unlock(slave_txq);
master->slaves = NEXT_SLAVE(q);
netif_wake_queue(dev);
master->stats.tx_packets++;
master->stats.tx_bytes += length;
txq->tx_packets++;
txq->tx_bytes += length;
return 0;
}
__netif_tx_unlock(slave_txq);
@ -339,10 +339,10 @@ static int teql_master_xmit(struct sk_buff *skb, struct net_device *dev)
netif_stop_queue(dev);
return 1;
}
master->stats.tx_errors++;
dev->stats.tx_errors++;
drop:
master->stats.tx_dropped++;
txq->tx_dropped++;
dev_kfree_skb(skb);
return 0;
}
@ -395,12 +395,6 @@ static int teql_master_close(struct net_device *dev)
return 0;
}
static struct net_device_stats *teql_master_stats(struct net_device *dev)
{
struct teql_master *m = netdev_priv(dev);
return &m->stats;
}
static int teql_master_mtu(struct net_device *dev, int new_mtu)
{
struct teql_master *m = netdev_priv(dev);
@ -425,7 +419,6 @@ static const struct net_device_ops teql_netdev_ops = {
.ndo_open = teql_master_open,
.ndo_stop = teql_master_close,
.ndo_start_xmit = teql_master_xmit,
.ndo_get_stats = teql_master_stats,
.ndo_change_mtu = teql_master_mtu,
};