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Currently bpftool contains a mix of GPL-only and GPL or BSD2
licensed files. Make sure all files are dual licensed under
GPLv2 and BSD-2-Clause.
Signed-off-by: Jakub Kicinski <[email protected]>
Acked-by: Roman Gushchin <[email protected]>
Acked-by: YueHaibing <[email protected]>
Acked-by: Yonghong Song <[email protected]>
Acked-by: Stanislav Fomichev <[email protected]>
Acked-by: Sean Young <[email protected]>
Acked-by: Jiri Benc <[email protected]>
Acked-by: David Calavera <[email protected]>
Acked-by: Andrey Ignatov <[email protected]>
Acked-by: Joe Stringer <[email protected]>
Acked-by: David Ahern <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Acked-by: Petar Penkov <[email protected]>
Acked-by: Sandipan Das <[email protected]>
Acked-by: Prashant Bhole <[email protected]>
Acked-by: Stephen Hemminger <[email protected]>
Acked-by: John Fastabend <[email protected]>
Acked-by: Taeung Song <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Acked-by: Daniel Borkmann <[email protected]>
CC: [email protected]
Signed-off-by: Daniel Borkmann <[email protected]>
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This commit introduces a new bpftool command: cgroup tree.
The idea is to iterate over the whole cgroup tree and print
all attached programs.
I was debugging a bpf/systemd issue, and found, that there is
no simple way to listen all bpf programs attached to cgroups.
I did master something in bash, but after some time got tired of it,
and decided, that adding a dedicated bpftool command could be
a better idea.
So, here it is:
$ sudo ./bpftool cgroup tree
CgroupPath
ID AttachType AttachFlags Name
/sys/fs/cgroup/system.slice/systemd-machined.service
18 ingress
17 egress
/sys/fs/cgroup/system.slice/systemd-logind.service
20 ingress
19 egress
/sys/fs/cgroup/system.slice/systemd-udevd.service
16 ingress
15 egress
/sys/fs/cgroup/system.slice/systemd-journald.service
14 ingress
13 egress
Signed-off-by: Roman Gushchin <[email protected]>
Acked-by: Jakub Kicinski <[email protected]>
Cc: Quentin Monnet <[email protected]>
Cc: Daniel Borkmann <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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Add support for recently added BPF_CGROUP_UDP4_SENDMSG and
BPF_CGROUP_UDP6_SENDMSG attach types to bpftool, update documentation
and bash completion.
Signed-off-by: Andrey Ignatov <[email protected]>
Reviewed-by: Jakub Kicinski <[email protected]>
Acked-by: Song Liu <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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Add recently added prog types to `bpftool prog` and attach types to
`bpftool cgroup`.
Update bpftool documentation and bash completion appropriately.
Signed-off-by: Andrey Ignatov <[email protected]>
Acked-by: Jakub Kicinski <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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It's a little bit unusual for kernel style, but we add the new line
character to error strings inside the p_err() function. We do this
because new lines at the end of error strings will break JSON output.
Fix a few p_err("..\n") which snuck in recently.
Fixes: 5ccda64d38cc ("bpftool: implement cgroup bpf operations")
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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iproute2 seems to accept show and list as aliases.
Let's do the same thing, and by allowing both bring
cgroup syntax back in line with maps and progs.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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So far we have used "show" as a keyword for listing
programs and maps. Use the word "show" in the code
for cgroups too, next commit will alias show and list.
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Quentin Monnet <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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This patch adds basic cgroup bpf operations to bpftool:
cgroup list, attach and detach commands.
Usage is described in the corresponding man pages,
and examples are provided.
Syntax:
$ bpftool cgroup list CGROUP
$ bpftool cgroup attach CGROUP ATTACH_TYPE PROG [ATTACH_FLAGS]
$ bpftool cgroup detach CGROUP ATTACH_TYPE PROG
Signed-off-by: Roman Gushchin <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Daniel Borkmann <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Martin KaFai Lau <[email protected]>
Cc: Quentin Monnet <[email protected]>
Reviewed-by: David Ahern <[email protected]>
Reviewed-by: Jakub Kicinski <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
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