From f25377ee4fb1118650a08b403234aa6f57ce25a9 Mon Sep 17 00:00:00 2001 From: Andrey Ignatov Date: Tue, 16 Apr 2019 13:13:47 -0700 Subject: 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 Acked-by: Song Liu Acked-by: Jakub Kicinski Signed-off-by: Alexei Starovoitov --- tools/bpf/bpftool/prog.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'tools/bpf/bpftool/prog.c') diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index 4b7a307b9fc9..fc495b27f0fc 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -1060,7 +1060,7 @@ static int do_help(int argc, char **argv) " tracepoint | raw_tracepoint | xdp | perf_event | cgroup/skb |\n" " cgroup/sock | cgroup/dev | lwt_in | lwt_out | lwt_xmit |\n" " lwt_seg6local | sockops | sk_skb | sk_msg | lirc_mode2 |\n" - " sk_reuseport | flow_dissector |\n" + " sk_reuseport | flow_dissector | cgroup/sysctl |\n" " cgroup/bind4 | cgroup/bind6 | cgroup/post_bind4 |\n" " cgroup/post_bind6 | cgroup/connect4 | cgroup/connect6 |\n" " cgroup/sendmsg4 | cgroup/sendmsg6 }\n" -- cgit v1.2.3