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 08:14:58
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：la_put_64bit - Add a netlink attribute to a socket buffer and align it*@skb: socket buffer to add attribute to*@attrtype: attribute type*@attrlen: length of attribute payload*@data: head of attribute payload*@padattr: attribute type for the padding*

函数原型：int nla_put_64bit(struct sk_buff *skb, int attrtype, int attrlen, const void *data, int padattr)

返回类型：int

参数：

类型参数名称
struct sk_buff *skb
intattrtype
intattrlen
const void *data
intpadattr
855  如果la_need_padding_for_64bit - test 64-bit alignment of the next attribute*@skb: socket buffer the message is stored in* Return true if padding is needed to align the next attribute (nla_data()) to* a 64-bit aligned area.则len等于la_total_size_64bit - total length of attribute including padding*@payload: length of payload
857  否则len等于属性的总长度，包括填充
859  如果此条件成立可能性小(为编译器优化)(缓存区尾部字节 < len)则返回:负EMSGSIZE
862  __nla_put_64bit - Add a netlink attribute to a socket buffer and align it*@skb: socket buffer to add attribute to*@attrtype: attribute type*@attrlen: length of attribute payload*@data: head of attribute payload*@padattr: attribute type for the padding*
863  返回:0
调用者
名称描述
nla_put_u64_64bitla_put_u64_64bit - Add a u64 netlink attribute to a skb and align it*@skb: socket buffer to add attribute to*@attrtype: attribute type*@value: numeric value*@padattr: attribute type for the padding
nla_put_be64la_put_be64 - Add a __be64 netlink attribute to a socket buffer and align it*@skb: socket buffer to add attribute to*@attrtype: attribute type*@value: numeric value*@padattr: attribute type for the padding
nla_put_le64la_put_le64 - Add a __le64 netlink attribute to a socket buffer and align it*@skb: socket buffer to add attribute to*@attrtype: attribute type*@value: numeric value*@padattr: attribute type for the padding
nla_put_s64la_put_s64 - Add a s64 netlink attribute to a socket buffer and align it*@skb: socket buffer to add attribute to*@attrtype: attribute type*@value: numeric value*@padattr: attribute type for the padding
nla_put_msecs添加属性到毫秒Netlink套接字缓冲区