linux

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Stanislav Fomichev 74f312ef84 bpftool: add pop and dequeue commands

This is intended to be used with queues and stacks, it pops and prints
the last element via bpf_map_lookup_and_delete_elem.

Example:

bpftool map create /sys/fs/bpf/q type queue value 4 entries 10 name q
bpftool map push pinned /sys/fs/bpf/q value 0 1 2 3
bpftool map pop pinned /sys/fs/bpf/q
value: 00 01 02 03
bpftool map pop pinned /sys/fs/bpf/q
Error: empty map

bpftool map create /sys/fs/bpf/s type stack value 4 entries 10 name s
bpftool map enqueue pinned /sys/fs/bpf/s value 0 1 2 3
bpftool map dequeue pinned /sys/fs/bpf/s
value: 00 01 02 03
bpftool map dequeue pinned /sys/fs/bpf/s
Error: empty map

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

2019-01-17 10:30:32 +01:00

bpftool

bpftool: add pop and dequeue commands

2019-01-17 10:30:32 +01:00

.gitignore

tools/bpftool: ignore build products

2018-07-26 02:50:26 +02:00

bpf_asm.c

…

bpf_dbg.c

bpf: fix uninitialized variable in bpf tools

2018-04-26 22:23:02 +02:00