Helper function bpf_get_ns_current_pid_tgid
Definition
Copyright (c) 2015 The Libbpf Authors. All rights reserved.
Returns 0 on success, values for pid and tgid as seen from the current namespace will be returned in nsdata.
Returns
0 on success, or one of the following in case of failure:
-EINVAL if dev and inum supplied don't match dev_t and inode number with nsfs of current task, or if dev conversion to dev_t lost high bits.
-ENOENT if pidns does not exists for the current task.
static long (* const bpf_get_ns_current_pid_tgid)(__u64 dev, __u64 ino, struct bpf_pidns_info *nsdata, __u32 size) = (void *) 120;
Usage
Docs could be improved
This part of the docs is incomplete, contributions are very welcome
Program types
This helper call can be used in the following program types:
BPF_PROG_TYPE_CGROUP_DEVICE
v6.10BPF_PROG_TYPE_CGROUP_SKB
v6.10BPF_PROG_TYPE_CGROUP_SOCK
v6.10BPF_PROG_TYPE_CGROUP_SOCKOPT
v6.10BPF_PROG_TYPE_CGROUP_SOCK_ADDR
v6.10BPF_PROG_TYPE_CGROUP_SYSCTL
v6.10BPF_PROG_TYPE_FLOW_DISSECTOR
v6.10BPF_PROG_TYPE_KPROBE
BPF_PROG_TYPE_LSM
BPF_PROG_TYPE_LWT_IN
v6.10BPF_PROG_TYPE_LWT_OUT
v6.10BPF_PROG_TYPE_LWT_SEG6LOCAL
v6.10BPF_PROG_TYPE_LWT_XMIT
v6.10BPF_PROG_TYPE_NETFILTER
v6.10BPF_PROG_TYPE_PERF_EVENT
BPF_PROG_TYPE_RAW_TRACEPOINT
BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE
BPF_PROG_TYPE_SCHED_ACT
v6.10BPF_PROG_TYPE_SCHED_CLS
v6.10BPF_PROG_TYPE_SK_LOOKUP
v6.10BPF_PROG_TYPE_SK_MSG
v6.10BPF_PROG_TYPE_SK_REUSEPORT
v6.10BPF_PROG_TYPE_SK_SKB
v6.10BPF_PROG_TYPE_SOCKET_FILTER
v6.10BPF_PROG_TYPE_SOCK_OPS
v6.10BPF_PROG_TYPE_STRUCT_OPS
v6.10BPF_PROG_TYPE_SYSCALL
BPF_PROG_TYPE_TRACEPOINT
BPF_PROG_TYPE_TRACING
BPF_PROG_TYPE_XDP
v6.10
Example
Docs could be improved
This part of the docs is incomplete, contributions are very welcome