函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\cgroup.c Create Date:2022-07-27 14:46:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：cgroup_bpf_prog_attach

函数原型：int cgroup_bpf_prog_attach(const union bpf_attr *attr, enum bpf_prog_type ptype, struct bpf_prog *prog)

返回类型：int

参数：

类型参数名称
const union bpf_attr *attr
enum bpf_prog_typeptype
struct bpf_prog *prog
552  cgrp等于group_get_from_fd - get a cgroup pointer from a fd*@fd: fd obtained by open(cgroup2_dir)* Find the cgroup from a fd which should be obtained* by opening a cgroup directory. Returns a pointer to the* cgroup on success. ERR_PTR is returned if the cgroup
553  如果是错误则返回:错误
556  ret等于sock->sk_cgrp_data handling. For more info, see sock_cgroup_data* definition in cgroup-defs.h.
558  cgroup_put(cgrp)
559  返回:ret
调用者
名称描述
bpf_prog_attach