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Diffstat (limited to 'include/linux/bpf.h')
-rw-r--r--include/linux/bpf.h23
1 files changed, 14 insertions, 9 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 3ed1f3b1d594..909fc033173a 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -8,10 +8,12 @@
#define _LINUX_BPF_H 1
#include <uapi/linux/bpf.h>
+
#include <linux/workqueue.h>
#include <linux/file.h>
#include <linux/percpu.h>
#include <linux/err.h>
+#include <linux/rbtree_latch.h>
struct perf_event;
struct bpf_map;
@@ -69,14 +71,14 @@ enum bpf_arg_type {
/* the following constraints used to prototype bpf_memcmp() and other
* functions that access data on eBPF program stack
*/
- ARG_PTR_TO_STACK, /* any pointer to eBPF program stack */
- ARG_PTR_TO_RAW_STACK, /* any pointer to eBPF program stack, area does not
- * need to be initialized, helper function must fill
- * all bytes or clear them in error case.
+ ARG_PTR_TO_MEM, /* pointer to valid memory (stack, packet, map value) */
+ ARG_PTR_TO_UNINIT_MEM, /* pointer to memory does not need to be initialized,
+ * helper function must fill all bytes or clear
+ * them in error case.
*/
- ARG_CONST_STACK_SIZE, /* number of bytes accessed from stack */
- ARG_CONST_STACK_SIZE_OR_ZERO, /* number of bytes accessed from stack or 0 */
+ ARG_CONST_SIZE, /* number of bytes accessed from memory */
+ ARG_CONST_SIZE_OR_ZERO, /* number of bytes accessed from memory or 0 */
ARG_PTR_TO_CTX, /* pointer to context */
ARG_ANYTHING, /* any (initialized) argument is ok */
@@ -161,9 +163,10 @@ struct bpf_verifier_ops {
enum bpf_reg_type *reg_type);
int (*gen_prologue)(struct bpf_insn *insn, bool direct_write,
const struct bpf_prog *prog);
- u32 (*convert_ctx_access)(enum bpf_access_type type, int dst_reg,
- int src_reg, int ctx_off,
- struct bpf_insn *insn, struct bpf_prog *prog);
+ u32 (*convert_ctx_access)(enum bpf_access_type type,
+ const struct bpf_insn *src,
+ struct bpf_insn *dst,
+ struct bpf_prog *prog);
};
struct bpf_prog_type_list {
@@ -176,6 +179,8 @@ struct bpf_prog_aux {
atomic_t refcnt;
u32 used_map_cnt;
u32 max_ctx_offset;
+ struct latch_tree_node ksym_tnode;
+ struct list_head ksym_lnode;
const struct bpf_verifier_ops *ops;
struct bpf_map **used_maps;
struct bpf_prog *prog;