函数逻辑报告

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v5.5.9

Brick Technologies Co., Ltd

Source Code:include\net\sch_generic.h Create Date:2022-07-27 07:05:31
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：se instead of qdisc->dequeue() for all qdiscs queried with ->peek()

函数原型：static inline struct sk_buff *qdisc_dequeue_peeked(struct Qdisc *sch)

返回类型：struct sk_buff

参数：

类型参数名称
struct Qdisc *sch
1127  skb等于skb_peek - peek at the head of an &sk_buff_head*@list_: list to peek at* Peek an &sk_buff. Unlike most other operations you _MUST_* be careful with this one. A peek leaves the buffer on the* list and someone else may run off with it. You must hold
1129  如果skb则
1130  skb等于__skb_dequeue - remove from the head of the queue*@list: list to dequeue from* Remove the head of the list. This function does not take any locks* so must be used with appropriate locks held only. The head item is* returned or %NULL if the list is empty.
1131  如果qdisc_is_percpu_stats(sch)则
1132  qdisc_qstats_cpu_backlog_dec(sch, skb)
1133  qdisc_qstats_cpu_qlen_dec(sch)
1134  否则
1135  qdisc_qstats_backlog_dec(sch, skb)
1136  qlen自减
1138  否则
1139  skb等于dequeue(sch)
1142  返回:skb