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Diffstat (limited to 'tools/bpf/bpftool/cgroup.c')
-rw-r--r--tools/bpf/bpftool/cgroup.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/bpf/bpftool/cgroup.c b/tools/bpf/bpftool/cgroup.c
index 4b5c8da2a7c0..7e22f115c8c1 100644
--- a/tools/bpf/bpftool/cgroup.c
+++ b/tools/bpf/bpftool/cgroup.c
@@ -25,7 +25,7 @@
" ATTACH_TYPE := { ingress | egress | sock_create |\n" \
" sock_ops | device | bind4 | bind6 |\n" \
" post_bind4 | post_bind6 | connect4 |\n" \
- " connect6 | sendmsg4 | sendmsg6 }"
+ " connect6 | sendmsg4 | sendmsg6 | sysctl }"
static const char * const attach_type_strings[] = {
[BPF_CGROUP_INET_INGRESS] = "ingress",
@@ -41,6 +41,7 @@ static const char * const attach_type_strings[] = {
[BPF_CGROUP_INET6_POST_BIND] = "post_bind6",
[BPF_CGROUP_UDP4_SENDMSG] = "sendmsg4",
[BPF_CGROUP_UDP6_SENDMSG] = "sendmsg6",
+ [BPF_CGROUP_SYSCTL] = "sysctl",
[__MAX_BPF_ATTACH_TYPE] = NULL,
};
@@ -248,6 +249,13 @@ static int do_show_tree_fn(const char *fpath, const struct stat *sb,
for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++)
show_attached_bpf_progs(cgroup_fd, type, ftw->level);
+ if (errno == EINVAL)
+ /* Last attach type does not support query.
+ * Do not report an error for this, especially because batch
+ * mode would stop processing commands.
+ */
+ errno = 0;
+
if (json_output) {
jsonw_end_array(json_wtr);
jsonw_end_object(json_wtr);