Andrey Ignatov f25377ee4f bpftool: Support sysctl hook ... Add support for recently added BPF_PROG_TYPE_CGROUP_SYSCTL program type and BPF_CGROUP_SYSCTL attach type. Example of bpftool output with sysctl program from selftests: # bpftool p load ./test_sysctl_prog.o /mnt/bpf/sysctl_prog type cgroup/sysctl # bpftool p l 9: cgroup_sysctl name sysctl_tcp_mem tag 0dd05f81a8d0d52e gpl loaded_at 2019-04-16T12:57:27-0700 uid 0 xlated 1008B jited 623B memlock 4096B # bpftool c a /mnt/cgroup2/bla sysctl id 9 # bpftool c t CgroupPath ID AttachType AttachFlags Name /mnt/cgroup2/bla 9 sysctl sysctl_tcp_mem # bpftool c d /mnt/cgroup2/bla sysctl id 9 # bpftool c t CgroupPath ID AttachType AttachFlags Name Signed-off-by: Andrey Ignatov <rdna@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>		2019-04-16 19:45:47 -07:00
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bpftool	bpftool: Support sysctl hook	2019-04-16 19:45:47 -07:00