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>
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@ -250,6 +250,14 @@ static inline bool qdisc_tx_changing(struct net_device *dev)
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return (txq->qdisc != txq->qdisc_sleeping);
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}
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/* Is the device using the noop qdisc? */
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static inline bool qdisc_tx_is_noop(const struct net_device *dev)
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{
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const struct netdev_queue *txq = &dev->tx_queue;
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return (txq->qdisc == &noop_qdisc);
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}
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static inline int __qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch,
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struct sk_buff_head *list)
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{
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@ -229,10 +229,9 @@ const struct in6_addr in6addr_linklocal_allnodes = IN6ADDR_LINKLOCAL_ALLNODES_IN
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const struct in6_addr in6addr_linklocal_allrouters = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT;
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/* Check if a valid qdisc is available */
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static inline int addrconf_qdisc_ok(struct net_device *dev)
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static inline bool addrconf_qdisc_ok(const struct net_device *dev)
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{
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struct netdev_queue *txq = &dev->tx_queue;
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return (txq->qdisc != &noop_qdisc);
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return !qdisc_tx_is_noop(dev);
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}
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/* Check if a route is valid prefix route */
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