Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\net\arp.h Create Date:2022-07-28 06:41:05
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:__ipv4_confirm_neigh

Proto:static inline void __ipv4_confirm_neigh(struct net_device *dev, u32 key)

Type:void

Parameter:

TypeParameterName
struct net_device *dev
u32key
54  _read_lock_bh() - mark the beginning of an RCU-bh critical section* This is equivalent of rcu_read_lock(), but also disables softirqs
55  n = __ipv4_neigh_lookup_noref(dev, key)
56  If n Then
57  now = jiffies
60  If READ_ONCE(confirmed) != now Then WRITE_ONCE(confirmed, now)
63  _read_unlock_bh - marks the end of a softirq-only RCU critical section* See rcu_read_lock_bh() for more information.