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pkt_sched: Add qdisc_tx_is_noop() helper and use in IPV6. 

This indicates if the NOOP scheduler is what is active for TX on a
given device.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-07-08 23:01:27 -07:00
parent 6fa9864b53
commit 052979499c
2 changed files with 10 additions and 3 deletions
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8
include/net/sch_generic.h
View File

@ -250,6 +250,14 @@ static inline bool qdisc_tx_changing(struct net_device *dev)
return (txq->qdisc != txq->qdisc_sleeping);
}
/* Is the device using the noop qdisc? */
static inline bool qdisc_tx_is_noop(const struct net_device *dev)
{
const struct netdev_queue *txq = &dev->tx_queue;
return (txq->qdisc == &noop_qdisc);
}
static inline int __qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff_head *list)
{

5
net/ipv6/addrconf.c
View File

@ -229,10 +229,9 @@ const struct in6_addr in6addr_linklocal_allnodes = IN6ADDR_LINKLOCAL_ALLNODES_IN
const struct in6_addr in6addr_linklocal_allrouters = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT;
/* Check if a valid qdisc is available */
static inline int addrconf_qdisc_ok(struct net_device *dev)
static inline bool addrconf_qdisc_ok(const struct net_device *dev)
{
struct netdev_queue *txq = &dev->tx_queue;
return (txq->qdisc != &noop_qdisc);
return !qdisc_tx_is_noop(dev);
}
/* Check if a route is valid prefix route */