函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\nlattr.c Create Date:2022-07-27 08:14:56
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：la_reserve - reserve room for attribute on the skb*@skb: socket buffer to reserve room on*@attrtype: attribute type*@attrlen: length of attribute payload* Adds a netlink attribute header to a socket buffer and reserves

函数原型：struct nlattr *nla_reserve(struct sk_buff *skb, int attrtype, int attrlen)

返回类型：struct nlattr

参数：

类型参数名称
struct sk_buff *skb
intattrtype
intattrlen
704  如果此条件成立可能性小(为编译器优化)(缓存区尾部字节 < 属性的总长度，包括填充)则返回:NULL
707  返回:__nla_reserve - reserve room for attribute on the skb*@skb: socket buffer to reserve room on*@attrtype: attribute type*@attrlen: length of attribute payload* Adds a netlink attribute header to a socket buffer and reserves
调用者
名称描述
cgroupstats_user_cmd
nla_align_64bitla_align_64bit - 64-bit align the nla_data() of next attribute*@skb: socket buffer the message is stored in*@padattr: attribute type for the padding* Conditionally emit a padding netlink attribute in order to make