函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\hashtab.c Create Date:2022-07-27 14:26:43
Last Modify:2022-05-23 09:15:29 Copyright©Brick
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函数名称：ly called from syscall

函数原型：int bpf_fd_htab_map_update_elem(struct bpf_map *map, struct file *map_file, void *key, void *value, u64 map_flags)

返回类型：int

参数：

类型参数名称
struct bpf_map *map
struct file *map_file
void *key
void *value
u64map_flags
1438  ufd等于value
1440  ptr等于map_fd_get_ptr(map, map_file, ufd)
1441  如果是错误则返回:错误
1444  ret等于Called from syscall or from eBPF program
1445  如果ret则map_fd_put_ptr(ptr)
1448  返回:ret
调用者
名称描述
map_update_elem