bpf: Support BPF ksym variables in kernel modules

[linux-2.6-microblaze.git] / include / linux / bpf_verifier.h

diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index e941fe1..dfe6f85 100644 (file)
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -340,6 +340,7 @@ struct bpf_insn_aux_data {
 };
 
 #define MAX_USED_MAPS 64 /* max number of maps accessed by one eBPF program */
+#define MAX_USED_BTFS 64 /* max number of BTFs accessed by one BPF program */
 
 #define BPF_VERIFIER_TMP_LOG_SIZE      1024
 
@@ -398,7 +399,9 @@ struct bpf_verifier_env {
        struct bpf_verifier_state_list **explored_states; /* search pruning optimization */
        struct bpf_verifier_state_list *free_list;
        struct bpf_map *used_maps[MAX_USED_MAPS]; /* array of map's used by eBPF program */
+       struct btf_mod_pair used_btfs[MAX_USED_BTFS]; /* array of BTF's used by BPF program */
        u32 used_map_cnt;               /* number of used maps */
+       u32 used_btf_cnt;               /* number of used BTF objects */
        u32 id_gen;                     /* used to generate unique reg IDs */
        bool allow_ptr_leaks;
        bool allow_ptr_to_map_access;