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42984d7c1e
This patch adds a couple of stand-alone examples on how BPF_OBJ_PIN and BPF_OBJ_GET commands can be used. Example with maps: # ./fds_example -F /sys/fs/bpf/m -P -m -k 1 -v 42 bpf: map fd:3 (Success) bpf: pin ret:(0,Success) bpf: fd:3 u->(1:42) ret:(0,Success) # ./fds_example -F /sys/fs/bpf/m -G -m -k 1 bpf: get fd:3 (Success) bpf: fd:3 l->(1):42 ret:(0,Success) # ./fds_example -F /sys/fs/bpf/m -G -m -k 1 -v 24 bpf: get fd:3 (Success) bpf: fd:3 u->(1:24) ret:(0,Success) # ./fds_example -F /sys/fs/bpf/m -G -m -k 1 bpf: get fd:3 (Success) bpf: fd:3 l->(1):24 ret:(0,Success) # ./fds_example -F /sys/fs/bpf/m2 -P -m bpf: map fd:3 (Success) bpf: pin ret:(0,Success) # ./fds_example -F /sys/fs/bpf/m2 -G -m -k 1 bpf: get fd:3 (Success) bpf: fd:3 l->(1):0 ret:(0,Success) # ./fds_example -F /sys/fs/bpf/m2 -G -m bpf: get fd:3 (Success) Example with progs: # ./fds_example -F /sys/fs/bpf/p -P -p bpf: prog fd:3 (Success) bpf: pin ret:(0,Success) bpf sock:4 <- fd:3 attached ret:(0,Success) # ./fds_example -F /sys/fs/bpf/p -G -p bpf: get fd:3 (Success) bpf: sock:4 <- fd:3 attached ret:(0,Success) # ./fds_example -F /sys/fs/bpf/p2 -P -p -o ./sockex1_kern.o bpf: prog fd:5 (Success) bpf: pin ret:(0,Success) bpf: sock:3 <- fd:5 attached ret:(0,Success) # ./fds_example -F /sys/fs/bpf/p2 -G -p bpf: get fd:3 (Success) bpf: sock:4 <- fd:3 attached ret:(0,Success) Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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|---|---|---|
| .. | ||
| bpf_helpers.h | ||
| bpf_load.c | ||
| bpf_load.h | ||
| fds_example.c | ||
| lathist_kern.c | ||
| lathist_user.c | ||
| libbpf.c | ||
| libbpf.h | ||
| Makefile | ||
| sock_example.c | ||
| sockex1_kern.c | ||
| sockex1_user.c | ||
| sockex2_kern.c | ||
| sockex2_user.c | ||
| sockex3_kern.c | ||
| sockex3_user.c | ||
| tcbpf1_kern.c | ||
| test_maps.c | ||
| test_verifier.c | ||
| trace_output_kern.c | ||
| trace_output_user.c | ||
| tracex1_kern.c | ||
| tracex1_user.c | ||
| tracex2_kern.c | ||
| tracex2_user.c | ||
| tracex3_kern.c | ||
| tracex3_user.c | ||
| tracex4_kern.c | ||
| tracex4_user.c | ||
| tracex5_kern.c | ||
| tracex5_user.c | ||
| tracex6_kern.c | ||
| tracex6_user.c | ||