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linux-next/tools/bpf/bpftool
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
..
bash-completion tools: bpftool: replace Netronome boilerplate with SPDX license headers 2018-12-13 12:08:44 +01:00
Documentation 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
btf_dumper.c tools/bpf: support __int128 in bpftool map pretty dumper 2019-01-16 22:53:44 +01:00
cfg.c tools: bpftool: replace Netronome boilerplate with SPDX license headers 2018-12-13 12:08:44 +01:00
cfg.h tools: bpftool: replace Netronome boilerplate with SPDX license headers 2018-12-13 12:08:44 +01:00
cgroup.c tools: bpftool: dual license all files 2018-12-13 12:08:44 +01:00
common.c tools: bpftool: add an option to prevent auto-mount of bpffs, tracefs 2018-12-18 14:47:17 +01:00
jit_disasm.c tools: bpftool: dual license all files 2018-12-13 12:08:44 +01:00
json_writer.c tools: bpftool: fix -Wmissing declaration warnings 2018-12-15 01:31:49 +01:00
json_writer.h tools: bpftool: dual license all files 2018-12-13 12:08:44 +01:00
main.c tools: bpftool: add an option to prevent auto-mount of bpffs, tracefs 2018-12-18 14:47:17 +01:00
main.h tools: bpftool: add an option to prevent auto-mount of bpffs, tracefs 2018-12-18 14:47:17 +01:00
Makefile tools: bpftool: do not force gcc as CC 2018-12-19 21:57:25 +01:00
map_perf_ring.c tools: bpftool: dual license all files 2018-12-13 12:08:44 +01:00
map.c bpftool: add pop and dequeue commands 2019-01-17 10:30:32 +01:00
net.c tools: bpftool: dual license all files 2018-12-13 12:08:44 +01:00
netlink_dumper.c tools: bpftool: dual license all files 2018-12-13 12:08:44 +01:00
netlink_dumper.h tools: bpftool: dual license all files 2018-12-13 12:08:44 +01:00
perf.c tools: bpftool: dual license all files 2018-12-13 12:08:44 +01:00
prog.c tools: bpftool: fix -Wmissing declaration warnings 2018-12-15 01:31:49 +01:00
tracelog.c tools: bpftool: add an option to prevent auto-mount of bpffs, tracefs 2018-12-18 14:47:17 +01:00
xlated_dumper.c tools: bpftool: fix -Wmissing declaration warnings 2018-12-15 01:31:49 +01:00
xlated_dumper.h tools: bpftool: replace Netronome boilerplate with SPDX license headers 2018-12-13 12:08:44 +01:00