Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\hashtab.c Create Date:2022-07-28 13:10:23
Last Modify:2022-05-23 09:15:29 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:Called from eBPF program

Proto:static void *htab_percpu_map_lookup_elem(struct bpf_map *map, void *key)

Type:void

Parameter:

TypeParameterName
struct bpf_map *map
void *key
1263  l = Called from syscall or from eBPF program directly, so* arguments have to match bpf_map_lookup_elem() exactly.* The return value is adjusted by BPF instructions* in htab_map_gen_lookup().
1265  If l Then Return this_cpu_ptr(htab_elem_get_ptr(l, key_size))
1267  Else Return NULL