函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\skbuff.h Create Date:2022-07-27 06:52:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：skb_metadata_len

函数原型：static inline u8 skb_metadata_len(const struct sk_buff *skb)

返回类型：u8

参数：

类型参数名称
const struct sk_buff *skb
3696  返回:meta_len
调用者
名称描述
skb_metadata_differs
bpf_compute_data_pointersCompute the linear packet data range [data, data_end) which* will be accessed by various program types (cls_bpf, act_bpf,* lwt, ...). Subsystems allowing direct data access must (!)* ensure that cb[] area can be written to when BPF program is