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Diffstat (limited to 'tools/bpf/bpftool/cgroup.c')
-rw-r--r--tools/bpf/bpftool/cgroup.c52
1 files changed, 42 insertions, 10 deletions
diff --git a/tools/bpf/bpftool/cgroup.c b/tools/bpf/bpftool/cgroup.c
index af6898c0f388..944ebe21a216 100644
--- a/tools/bpf/bpftool/cgroup.c
+++ b/tools/bpf/bpftool/cgroup.c
@@ -19,6 +19,38 @@
#include "main.h"
+static const int cgroup_attach_types[] = {
+ BPF_CGROUP_INET_INGRESS,
+ BPF_CGROUP_INET_EGRESS,
+ BPF_CGROUP_INET_SOCK_CREATE,
+ BPF_CGROUP_INET_SOCK_RELEASE,
+ BPF_CGROUP_INET4_BIND,
+ BPF_CGROUP_INET6_BIND,
+ BPF_CGROUP_INET4_POST_BIND,
+ BPF_CGROUP_INET6_POST_BIND,
+ BPF_CGROUP_INET4_CONNECT,
+ BPF_CGROUP_INET6_CONNECT,
+ BPF_CGROUP_UNIX_CONNECT,
+ BPF_CGROUP_INET4_GETPEERNAME,
+ BPF_CGROUP_INET6_GETPEERNAME,
+ BPF_CGROUP_UNIX_GETPEERNAME,
+ BPF_CGROUP_INET4_GETSOCKNAME,
+ BPF_CGROUP_INET6_GETSOCKNAME,
+ BPF_CGROUP_UNIX_GETSOCKNAME,
+ BPF_CGROUP_UDP4_SENDMSG,
+ BPF_CGROUP_UDP6_SENDMSG,
+ BPF_CGROUP_UNIX_SENDMSG,
+ BPF_CGROUP_UDP4_RECVMSG,
+ BPF_CGROUP_UDP6_RECVMSG,
+ BPF_CGROUP_UNIX_RECVMSG,
+ BPF_CGROUP_SOCK_OPS,
+ BPF_CGROUP_DEVICE,
+ BPF_CGROUP_SYSCTL,
+ BPF_CGROUP_GETSOCKOPT,
+ BPF_CGROUP_SETSOCKOPT,
+ BPF_LSM_CGROUP
+};
+
#define HELP_SPEC_ATTACH_FLAGS \
"ATTACH_FLAGS := { multi | override }"
@@ -159,7 +191,7 @@ static int show_bpf_prog(int id, enum bpf_attach_type attach_type,
if (attach_btf_name)
printf(" %-15s", attach_btf_name);
else if (info.attach_btf_id)
- printf(" attach_btf_obj_id=%d attach_btf_id=%d",
+ printf(" attach_btf_obj_id=%u attach_btf_id=%u",
info.attach_btf_obj_id, info.attach_btf_id);
printf("\n");
}
@@ -183,11 +215,11 @@ static int count_attached_bpf_progs(int cgroup_fd, enum bpf_attach_type type)
static int cgroup_has_attached_progs(int cgroup_fd)
{
- enum bpf_attach_type type;
+ unsigned int i = 0;
bool no_prog = true;
- for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++) {
- int count = count_attached_bpf_progs(cgroup_fd, type);
+ for (i = 0; i < ARRAY_SIZE(cgroup_attach_types); i++) {
+ int count = count_attached_bpf_progs(cgroup_fd, cgroup_attach_types[i]);
if (count < 0 && errno != EINVAL)
return -1;
@@ -286,11 +318,11 @@ static int show_bpf_progs(int cgroup_fd, enum bpf_attach_type type,
static int do_show(int argc, char **argv)
{
- enum bpf_attach_type type;
int has_attached_progs;
const char *path;
int cgroup_fd;
int ret = -1;
+ unsigned int i;
query_flags = 0;
@@ -338,14 +370,14 @@ static int do_show(int argc, char **argv)
"AttachFlags", "Name");
btf_vmlinux = libbpf_find_kernel_btf();
- for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++) {
+ for (i = 0; i < ARRAY_SIZE(cgroup_attach_types); i++) {
/*
* Not all attach types may be supported, so it's expected,
* that some requests will fail.
* If we were able to get the show for at least one
* attach type, let's return 0.
*/
- if (show_bpf_progs(cgroup_fd, type, 0) == 0)
+ if (show_bpf_progs(cgroup_fd, cgroup_attach_types[i], 0) == 0)
ret = 0;
}
@@ -368,9 +400,9 @@ exit:
static int do_show_tree_fn(const char *fpath, const struct stat *sb,
int typeflag, struct FTW *ftw)
{
- enum bpf_attach_type type;
int has_attached_progs;
int cgroup_fd;
+ unsigned int i;
if (typeflag != FTW_D)
return 0;
@@ -402,8 +434,8 @@ static int do_show_tree_fn(const char *fpath, const struct stat *sb,
}
btf_vmlinux = libbpf_find_kernel_btf();
- for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++)
- show_bpf_progs(cgroup_fd, type, ftw->level);
+ for (i = 0; i < ARRAY_SIZE(cgroup_attach_types); i++)
+ show_bpf_progs(cgroup_fd, cgroup_attach_types[i], ftw->level);
if (errno == EINVAL)
/* Last attach type does not support query.