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-rw-r--r--include/payload.h19
1 files changed, 12 insertions, 7 deletions
diff --git a/include/payload.h b/include/payload.h
index 8bc3fb9a..08e45f7f 100644
--- a/include/payload.h
+++ b/include/payload.h
@@ -15,6 +15,8 @@ struct eval_ctx;
struct stmt;
extern int payload_gen_dependency(struct eval_ctx *ctx, const struct expr *expr,
struct stmt **res);
+int payload_gen_inner_dependency(struct eval_ctx *ctx, const struct expr *expr,
+ struct stmt **res);
extern int payload_gen_icmp_dependency(struct eval_ctx *ctx,
const struct expr *expr,
struct stmt **res);
@@ -25,16 +27,14 @@ extern int exthdr_gen_dependency(struct eval_ctx *ctx, const struct expr *expr,
/**
* struct payload_dep_ctx - payload protocol dependency tracking
*
- * @pbase: protocol base of last dependency match
* @icmp_type: extra info for icmp(6) decoding
- * @pdep: last dependency match
* @prev: previous statement
+ * @pdeps: last dependency match per protocol layer
*/
struct payload_dep_ctx {
- enum proto_bases pbase:8;
- uint8_t icmp_type;
- struct stmt *pdep;
- struct stmt *prev;
+ uint8_t icmp_type;
+ struct stmt *prev;
+ struct stmt *pdeps[PROTO_BASE_MAX + 1];
};
extern bool payload_is_known(const struct expr *expr);
@@ -47,7 +47,10 @@ extern void payload_dependency_store(struct payload_dep_ctx *ctx,
enum proto_bases base);
extern bool payload_dependency_exists(const struct payload_dep_ctx *ctx,
enum proto_bases base);
-extern void payload_dependency_release(struct payload_dep_ctx *ctx);
+extern struct expr *payload_dependency_get(struct payload_dep_ctx *ctx,
+ enum proto_bases base);
+extern void payload_dependency_release(struct payload_dep_ctx *ctx,
+ enum proto_bases base);
extern void payload_dependency_kill(struct payload_dep_ctx *ctx,
struct expr *expr, unsigned int family);
extern void exthdr_dependency_kill(struct payload_dep_ctx *ctx,
@@ -66,4 +69,6 @@ extern void payload_expr_complete(struct expr *expr,
bool payload_expr_cmp(const struct expr *e1, const struct expr *e2);
+const struct proto_desc *find_proto_desc(const struct nftnl_udata *ud);
+
#endif /* NFTABLES_PAYLOAD_H */