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Diffstat (limited to 'include/linux/bpf.h')
-rw-r--r--include/linux/bpf.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 20c26aed7896..9c1674973e03 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -48,6 +48,7 @@ struct mem_cgroup;
struct module;
struct bpf_func_state;
struct ftrace_ops;
+struct cgroup;
extern struct idr btf_idr;
extern spinlock_t btf_idr_lock;
@@ -1730,7 +1731,14 @@ int bpf_obj_get_user(const char __user *pathname, int flags);
int __init bpf_iter_ ## target(args) { return 0; }
struct bpf_iter_aux_info {
+ /* for map_elem iter */
struct bpf_map *map;
+
+ /* for cgroup iter */
+ struct {
+ struct cgroup *start; /* starting cgroup */
+ enum bpf_cgroup_iter_order order;
+ } cgroup;
};
typedef int (*bpf_iter_attach_target_t)(struct bpf_prog *prog,
@@ -1966,6 +1974,15 @@ static inline bool unprivileged_ebpf_enabled(void)
return !sysctl_unprivileged_bpf_disabled;
}
+/* Not all bpf prog type has the bpf_ctx.
+ * For the bpf prog type that has initialized the bpf_ctx,
+ * this function can be used to decide if a kernel function
+ * is called by a bpf program.
+ */
+static inline bool has_current_bpf_ctx(void)
+{
+ return !!current->bpf_ctx;
+}
#else /* !CONFIG_BPF_SYSCALL */
static inline struct bpf_prog *bpf_prog_get(u32 ufd)
{
@@ -2175,6 +2192,10 @@ static inline bool unprivileged_ebpf_enabled(void)
return false;
}
+static inline bool has_current_bpf_ctx(void)
+{
+ return false;
+}
#endif /* CONFIG_BPF_SYSCALL */
void __bpf_free_used_btfs(struct bpf_prog_aux *aux,
@@ -2349,6 +2370,7 @@ extern const struct bpf_func_proto bpf_get_numa_node_id_proto;
extern const struct bpf_func_proto bpf_tail_call_proto;
extern const struct bpf_func_proto bpf_ktime_get_ns_proto;
extern const struct bpf_func_proto bpf_ktime_get_boot_ns_proto;
+extern const struct bpf_func_proto bpf_ktime_get_tai_ns_proto;
extern const struct bpf_func_proto bpf_get_current_pid_tgid_proto;
extern const struct bpf_func_proto bpf_get_current_uid_gid_proto;
extern const struct bpf_func_proto bpf_get_current_comm_proto;
@@ -2361,6 +2383,7 @@ extern const struct bpf_func_proto bpf_sock_map_update_proto;
extern const struct bpf_func_proto bpf_sock_hash_update_proto;
extern const struct bpf_func_proto bpf_get_current_cgroup_id_proto;
extern const struct bpf_func_proto bpf_get_current_ancestor_cgroup_id_proto;
+extern const struct bpf_func_proto bpf_get_cgroup_classid_curr_proto;
extern const struct bpf_func_proto bpf_msg_redirect_hash_proto;
extern const struct bpf_func_proto bpf_msg_redirect_map_proto;
extern const struct bpf_func_proto bpf_sk_redirect_hash_proto;